8-channel Octet RED96e and Octet QKe Systems

Unmatched versatility for discovery, development, and quality control

The versatile 8-channel Octet systems provide flexibility for rapid assay development

The 8-channel Octet systems perform quantitation of 96 samples in 32 minutes and kinetic screening of 64 samples in 1.5 hours. Analysis can be done using a single channel or up to eight channels, enabling flexibility in sample throughput based on need. An optional microplate evaporation cover that minimizes losses in sample volume is available with the Octet RED96e.

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    Analyze samples in crude matrix

    The fluidics-free Dip and Read technology with samples in a plate format combined with ready-to-use biosensors allows for high flexibility in sample type.

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    Characterize small and large molecules

    Quantitate up to 96 samples in 32 minutes and perform kinetic screens of up to 64 samples in 1.5 hrs.

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    GxP compliant

    The Octet RED96e System has been developed to operate reliably in a regulated environment. ForteBio offers 21 CFR Part 11 software and a full line of GxP compliance products.

  • High-quality kinetic screening and affinity characterization

    The Octet RED96e and QKe Systems monitor binding events in real time to calculate on rates (ka), off rates (kd), and affinity constants(KD).

  • Eight parallel, independent channels for maximum speed and flexibility

    Each channel is independent of the others allowing for analysis of different sample types simultaneously. Analysis can be done using a single channel or up to eight channels.

  • Versatility to detect a wide range of molecules

    The high sensitivity Octet RED96e System detects a diverse range of biomolecules from small molecules to proteins to mammalian cells.

  • Perfectly suited to operate in GxP-regulated environments

    ForteBio offers an optional 21 CFR Part 11 software for Octet systems. In addition, installation and qualification (IQOQ) and performance qualification (PQ) kits are available for GxP users.

  • Sample plate cooling for temperature sensitive proteins

    The Octet RED96e operates with a wide range in temperature (15–40°C). An optional microplate evaporation cover minimizes sample loss enabling up to 12 hours of unattended run time.

  • Fluidics-free Dip and ReadTM format reduces assay time and maintenance cost

    The Octet RED96e operates with a wide range in temperature (15–40°C). An optional microplate evaporation cover minimizes sample loss enabling up to 12 hours of unattended run time.

Kinectic and Affinity Characterization

Kinetic and Affinity Characterization

Octet instruments accurately measure kinetic constants by bringing the detection surface directly to the sample, eliminating the need for micro-fluidics. With ready to use biosensors for most proteins, the unique Dip and Read approach streamlines workflows and expedites assay development. It allows for direct measurement of crude samples with minimal instrument maintenance

Protein Quantitaion Bioprocessing

Protein Quantitation in Bioprocessing

Accurately determining the concentration of antibodies and other proteins is critical to the selection of cell lines for development and the optimization of antibody production. Rapid turnaround time of results improves process efficiencies and productivity that cannot be achieved with existing methods such as HPLC and ELISA

Quality Control and Manufacturing

Quality Control (QC) and Manufacturing (Mfg)

The ease of use and simplicity in design together with a comprehensive tool set for compliance makes the Octet RED96e system an ideal analytical instrument in regulated quality control (QC) labs. The Octet is aptly used in method development and validation for lot release and in-process testing for ligand binding, concentration and impurity analysis in both upstream and downstream processes.

Small Molecular Kinetics

Small Molecule Kinetics

Small molecule and peptide therapeutic drugs are highly sought after in most areas of disease research due to their desirable pharmacological properties and low propensity for immunogenicity. The Octet RED96e in conjunction with ready to use super streptavidin coated is designed with rapid data acquisition to enable the detection of small molecules and peptides binding to larger target molecules

 

8-Channel Octet Systems: Octet RED96e

8-Channel Octet Systems: Octet QKe

Technology

Bio-Layer Interferometry (BLI) based on fiber optic biosensors

Bio-Layer Interferometry (BLI) based on fiber optic biosensors

Sample volume

180–220 µL/well
Nondestructive testing, easily recovered

180–220 µL/well
Nondestructive testing, easily recovered

Data presentation

Sensorgrams displaying kinetic traces or concentration binding rates
Epitope binning and cross-blocking matrices and trace overlays
Tabulated kinetic or concentration data

Sensorgrams displaying kinetic traces or concentration binding rates
Epitope binning and cross-blocking matrices and trace overlays
Tabulated kinetic or concentration data

Automation

Up to 8 assays in parallel; up to 96 assays per 96-well plate

Up to 8 assays in parallel; up to 96 assays per 96-well plate

Orbital flow capacity

Static or 100–1500 rpm

Static or 100–1500 rpm

Analysis temperature

Ambient + 4°C to 40°C, in 1°C increments

 

Ambient + 4°C to 40°C, in 1°C increments

Association rate constant (ka)

101 to 107 M-1 S-1

102 to 105

Dissociation rate constant (kd)

10-6 to 10-1 s-1

10-5 to 10-2

Affinity constant (KD)

1 mM – 10 pM

0.1 mM – 0.1 nM

Baseline noise (RMS)

<3 pm

≤8 pm

Baseline drift

< 0.12 nm/hour

< 0.1 nm/hour

Quantitation range

0.5 µg/mL to 2000 µg/mL at 200 rpm,
0.05 µg/mL to 100 µg/mL at 1000 rpm

1 µg/mL to 700 µg/mL at low rpm
LOD of 0.05 µg/mL at 1000 rpm

Quantitation precision

CV <10%

≤ 10 %

Weight

63 lb (28.6 Kg)

54 lb (24.5 kg)

Dimensions (H x W x D)

18.6 in (H) x 17 in (D) x 20.8 in (W)
47 cm (H) x 43 cm (D) x 53 cm (W)

18.6 in (H) x 17 in (D) x 20.8 in (W)
47 cm (H) x 43 cm (D) x 53 cm (W)

Sample type

Proteins, antibodies, peptides, serum containing media (up to 25%), DMSO containing buffers, virus-like particles, untreated cell culture supernatants and crude cell lysates

Proteins, antibodies, peptides, serum containing media (up to 25%), DMSO containing buffers, virus-like particles, untreated cell culture supernatants and crude cell lysates

Sample plate

Standard, 96-well, black, flat-bottom microplate

Standard, 96-well, black, flat-bottom microplate

Molecular weight detection

>150 Da

>5000 Da

Resources of 8-channel Octet RED96e and Octet QKe Systems

Application Note A Fast and High Precision Influenza Vaccine Potency Assay

Vaccines are biological preparations that contain agents resembling disease causing microorganisms, and can improve immunity against a specific disease. They are typically prepared from inactivated or weakened forms of the microbe or its toxins, or surface proteins.

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Application Note Optimizing protein-protein and protein-small molecule kinetics assays

Kinetic analysis of protein-protein and protein-small molecule interactions is a key application for real-time, label-free systems such as the Octet® instrument family. The Octet platform is currently utilized in many segments of the pharmaceutical and biotherapeutic drug development processes such as early discovery, process development, late-stage clinical trials and manufacturing/QC.

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Application Note Cell-Based Assay Using Biosensor-captured Red Blood Cells

Cell-based assays that qualitatively measure the function of an interacting molecule under physiological conditions provide valuable information for drug discovery. Two approaches are commonly used in early drug discovery; target-based approaches use label-dependent molecular assays to measure the effect of compounds on a specific target protein in vitro, while phenotypic approaches use unbiased phenotypic assays to evaluate the effect of compounds on specific phenotype of cells, tissues or animals.

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Application Note Generating Reliable Kinetic Data for Protein-Ligand Interactions

The Community Structure Activity Resource (CSAR, www.csardock. org) group is developing a database of high quality protein-ligand structures and the corresponding binding affinities. The data will be provided from in-house experiments and community collaborations. The proteins are generally well-studied structures that have been targeted in drug discovery projects.

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Application Note Analysis of Fc-gamma Receptor-IgG Interactions on the Octet Platform

Fc gamma receptors (FcγRs) are membrane glycoproteins with affinity for the Fc region of immunoglobulin G (IgG). FcγRs expressed on the surface of immune effector cells play a key role in initiating Fc effector functions such as antibody-mediated cell-dependent cytotoxicity (ADCC)1, which is a major mechanism of action of therapeutic monoclonal antibodies

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Application Note CaptureSelect affinity ligands for antibody detection and characterization

BAC’s CaptureSelect affinity ligands provide a unique group of molecules that can be designed for almost any purification target, with as narrow or as broad specificity as is required. The fragments are derived from the unique heavy chain antibodies found in Camelidae. Heavy chain antibodies are devoid of the entire light chain and CH1 domain found in conventional antibodies (Figure 1). Without the light chain, antigens are bound only by the variable domain of the heavy chain (VHH), without a loss in binding affinities compared to conventional antibodies.

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Application Note Analysis of FcRn-Antibody Interactions on the Octet Platform

The Fc region of human IgG contributes to a number of beneficial biological and pharmacological characteristics of therapeutic antibodies.

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Application Note Rapid, reliable quantitation of Fc-Fusion protein in cell culture supernatants

The cell line development group at Biogen IDEC needed a robust assay for the measurement of Fc-fusion protein (Protein 1) in crude cell culture supernatants. The group had historically used HPLC for protein quantitation during screening and selection of promising mammalian clones at every scale-up step, from 96- well microplates to 3L-bioreactors.

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Application Note Customized quantitation of recombinant therapeutic proteins using High Precision Streptavidin biosensors (SAX)

The accurate determination of recombinant protein titer is critical to the selection of high-producing clones during cell line development and in optimization of bioreactor conditions during production of therapeutic proteins.

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Application Note MAb Quantitation: Protein A HPLC vs. Protein A Bio-layer Interferometry

There are currently 30 monoclonal antibodies approved by the FDA as biotherapeutic agents, representing the most rapidly growing class of new drugs. Despite advances in downstream processing technology, affinity purification of monoclonal antibodies using Protein A chromatography is still the industry standard. In order to use Protein A resin as productively as possible it is important to load the resin at close to its dynamic binding capacity (DBC)

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Application Note Octet Potency Assay: Development, Qualification and Validation Strategies

Kinetic analysis of biomolecular interactions is critical during drug discovery and development. The affinity of an interaction directly affects the dose required for a biopharmaceutical to be effective.

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Application Note Cross-competition or Epitope Binning Assays on the Octet HTX System

Epitope binning is a term used to describe segmentation of a panel of monoclonal antibodies (mAbs) into “bins” based upon the antigen region, or epitope, bound by each antibody.

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Application Note Reducing Variability in Small Molecule Screening and Kinetics Applications

Minimizing the variability of background signals is a key parameter to the success of demanding applications such as small molecule analysis1. By reducing the background variability, smaller positive signals can successfully be resolved, providing an increase in assay sensitivity. This application note demonstrates the use of a reference biosensor with biotinylated streptavidin for increasing signalto-noise levels, thereby improving the detection of small molecules, including fragments.

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Application Note Biomolecular Binding Kinetics Assays on the Octet Platform

Direct measurement of biomolecular interactions plays an important role in biotherapeutic drug discovery and development. Label-Free analytical technologies such as the Octet® platform from Pall ForteBio provide a powerful means to obtain accurate information about rate of biomolecular complex formation and complex stability, key components of a drug-target interaction.

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Application Note Characterizing Membrane Protein Interactions by Bio-Layer Interferometry (BLI)

The cell membrane separates the intracellular components from the extracellular environment. Cell membranes consist of various components such as phospholipids, glycolipids, and cholesterol, in combination with integral and peripheral proteins.

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Application Note Instant Determination of Protein Presence Using the BLItz System

The BLItz system provides a simple, rapid Dip and Read™ approach to protein analysis in an affordably priced personal assay system. Protein and antibody detection can be performed in a matter of seconds with high specificity and sensitivity, even in crude samples.

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Application Note Validated Quantitation and Activity Assay of Antibody Fragment Molecule (Fab) for Process Development and Quality Control

The group was able to develop a working Fab activity assay on the Octet RED system in less than a week. Relative to the overnight incubation and four-hour assay time of their ELISA protocol, the Octet assay provided an analysis time of only one hour per 96-well microplate, including sample preparation time. This Octet assay was used to monitor Fab activity for all process development studies.

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Application Note Robust Quantitation Assay for Monoclonal Antibodies and Other Proteins on Octet Platform

The Octet platform provides analytical methods for measuring antibody and protein concentrations and binding affinities through various stages of drug discovery and development (Table 1). Octet systems circumvent many limitations of ELISA and HPLC assays, enabling informed decisions to be made earlier in both drug and process development – particularly when chromatography and other critical separation steps are needed.

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Application Note Enhancing Efficiency and Economics in Process Development and Manufacturing of Biotherapeutics

Analytical techniques that measure protein quantity and quality are used in nearly all stages of research, process development and manufacturing of biotherapeutics. UV spectroscopy, ELISA and HPLC have been in use for decades for protein quantitation in physiologi- cal and process samples, and continue to be the workhorses despite their many limitations.

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Application Note Kinetic Analysis of Antibody Binding to an Expressed Membrane Protein on Captured Lipoparticles

Membrane proteins govern the majority of input and output signals of cells and represent the largest class of pharmaceutical drug targets, making the analysis of their molecular interactions critical to mapping the interactome as well as drug discovery efforts. Due to their integration into a lipid bilayer, in vitro characterization of molecular interactions of membrane proteins presents a unique challenge compared to soluble proteins.Membrane proteins govern the majority of input and output signals of cells and represent the largest class of pharmaceutical drug targets, making the analysis of their molecular interactions critical to mapping the interactome as well as drug discovery efforts. Due to their integration into a lipid bilayer, in vitro characterization of molecular interactions of membrane proteins presents a unique challenge compared to soluble proteins.

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Application Note Converting an ELISA Assay into an Octet Quantitation Assay

Quantitation assays on the Octet platform have many similari- ties to enzyme-linked immunosorbent assays (ELISA). Both are performed on a solid support on which the capture molecule is im- mobilized and the analyte is bound from solution. Signal reported in the assay is either directly or inversely proportional to the amount of bound analyte. In fact, Octet quantitation assays can be considered automated forms of ELISA.

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eBook Label-free detection: technologies, key considerations, and applications

Interactions between biomolecules serve as key triggers for many biological processes and, therefore, provide perfect targets for drug discoveries.

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Brochure Octet Systems

Your research should be guided by your imagination, not by the limitations of your label-free system. The Octet® platform’s flexible, open-format design and comprehensive menu of biosensors lets you attack research challenges in unique new ways. Perform truly comprehensive structure/function studies with large panels of structural variants.

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Data Sheet Anti-human IgG (AHQ) Biosensors (Fc-specific)

ForteBio’s Dip and Read™ Anti-Human IgG (AHQ) biosensors, in conjunction with the Octet® platform, are designed for monitoring antibody concentrations from crude lysates and cell culture supernatants. Using Anti-Human IgG biosensors, the Octet platform supports applications from cell culture screening to purification monitoring during the process development and production of therapeutics.

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Data Sheet References to Fortebio’s Products in Published Literature

A Global Benchmark Study Using Affinity-based Biosensors. Rich, R.L. and others, Analytical Biochemistry, 2009, 386 (2), 194-216.

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Data Sheet Octet software comparison

ForteBio Octet Data Acquisition and Data Analysis software is rapidly evolving to better address the growing applications and needs of our customers. These comparison tables provide a general guide to the features included in various versions of the software. The latest release, Version 11, is available for use on all Octet systems. For more information or for upgrade options, please contact your local sales representative or fill out our software download request form.

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Data Sheet Octet RED96e System

Data Sheet Octet System Overview: Label-Free, Real-Time Analysis for Bioprocessing

The FortéBio Octet System has been designed to address the need to accelerate the production and characterization of antibody and protein therapeutics in a simple label-free format. By measuring in real-time directly in a microplate, Octet’s analytical capabilities provide greater value in applications where existing methods such as HPLC, ELISA, and surface plasmon resonance have limitations in throughput, performance, workflow, and ease of use.

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Data Sheet Compliance Validation Software Module

ForteBio’s Compliance Validation Module for the Octet System provides the tools to comply with the FDA guidelines for 21 CFR part 11. Key features include security, data validation and audit trail capabilities with data generated on the Octet System. The compliance validation module should be used in conjunction with your internal standard operating procedures and policies to satisfy the compliance requirements.

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Data Sheet Anti-human IgG Fc Capture (AHC) Biosensors

Capture-based immobilization of human Fc-containing proteins Regenerable and cost-effective format Compatible with crude samples and complex media

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Data Sheet Octet Software Version 10.0: Data Acquisition, Data Analysis and Data Analysis High Throughput (HT)

Octet® software provides an intuitive and easy to use interface for data acquisition and analysis on all Octet instruments, enabling label-free kinetic, affinity, epitope binning, activity, concentration and screening applications.

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Data Sheet Protein G Biosensors

Protein G biosensors provide a rapid and direct method for quantification of many types of mammalian IgG from buffer, media or other complex matrices.

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Data Sheet Instrument Qualification (IQ)/Operational Qualification (OQ) Documentation Manual

The Octet Installation Qualification (IQ) and Operational Qualification (OQ) manual provides the procedures to document and verify that the correct Octet System was ordered, delivered and installed according to ForteBio specifications. ForteBio offers Octet customers the documentation and services needed to assure successful validation of the Octet System. The manual can be ordered as a package with the Compliance Validation Software Module or can be ordered separately.

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Data Sheet Anti-Human Fab-CH1 2nd Generation Biosensors

Human antibodies are the most vital research candidates in drug discovery and development of bio-therapeutics. The detection and characterization of human IgG is of paramount importance for research scientists.

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Data Sheet Octet QKe System

The Octet® QKe system is the enhanced-performance version of the first-generation Octet QK instrument from the Octet family of label-free biomolecular interaction analysis instruments. Two acquisition rate settings and a higher-performance spectrometer combine to provide greater sensitivity and a wider dynamic range for protein quantitation and kinetic analysis. In addition, biosensor re-racking provides enhanced assay flexibility and operational cost savings.

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Data Sheet Octet Biosensors Quantitation Grade

To order biosensor consumables, a purchase order referencing a quote number should be faxed or emailed to the following:

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Data Sheet Anti-Penta-HIS (HIS1K) Biosensors

The polyhistidine tag, commonly known as His-tag, is fused to recombinant proteins as a means of facilitating detection and purification. The Dip and Read™ Anti-Penta-HIS (HIS1K) Biosensor consists of high affinity, high specificity Penta-His antibody from QIAGEN pre-immobilized on a ForteBio fiber optic biosensor.

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Data Sheet Ready BLI Detection Kit – Residual Protein A

Detecting and minimizing Protein A contamination is a critical quality control step in antibody therapeutic development and production. The Ready BLI Detection kit - Residual Protein A from Pall ForteBio applies the principles of BLI to enable sensitive, accurate quantitation of leached Protein A in bioprocess samples while maintaining a simple workflow. The kit utilizes a validated sample treatment method for dissociating Protein A from antibodies that does not require boiling, neutralization, or centrifugation steps.

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Data Sheet High Precision Streptavidin (SAX) Biosensors

Streptavidin-coated surfaces are widely used as a simple and straightforward method of molecular immobilization. Utilized with Bio-Layer Interferometry (BLI), Streptavidin biosensors enable quick and easy modification and customization of the biosensor with any biotin-tagged molecule for quantitative and kinetic measurements.

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Data Sheet Dip and Read™ Anti-CHO HCP Detection Kit

Host cell proteins (HCPs) are contaminants found in biopharmaceuticals expressed in bacterial, yeast or mammalian production cell lines. Among protein expression cell lines, Chinese hamster ovary (CHO) cells are the most commonly used mammalian hosts for industrial production of recombinant protein therapeutics. However, manufacturing and production processes of biopharmaceuticals often leave behind contaminating HCPs from CHO cells.

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Data Sheet Anti-GST Biosensors

Glutathione-S-transferase (GST) is commonly fused to recombinant proteins to facilitate detection and purification, and increase solubility.

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Data Sheet Octet System Label-free, real-time detection of molecular interactions

ForteBio’s Octet systems incorporate a dedicated instrument for reading proprietary Bio-Layer Interferometry (BLI) plus a complete range of ready-to-use biosensors for real-time, label-free detection of protein: protein interactions.

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Data Sheet Octet system qualification products and services

Regulations and global standards, including US FDA 21 CFR Part 11, EU GMP Annex 15 and USP <1058>, require documented verification that your instruments are delivered, installed and routinely calibrated and functioning according to their operational specifications. ForteBio offers a full line of qualification products and services to help you meet your initial and ongoing system qualification requirements.

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Data Sheet Amine Reactive Second-Generation Biosensors

The Dip and Read™ Amine Reactive 2nd-Generation (AR2G) biosensors enable kinetic characterization of macromolecular interactions between purified proteins and target analytes.

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Data Sheet Octet RED96 System

ForteBio’s Octet® RED96 system is a multi-functional, label-free, real-time analysis instrument. It is ideal for rapidly measuring concentration of proteins and other biomolecules, measuring kinetics and affinity, and screening protein-protein and protein-small molecule interactions.

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Data Sheet Octet RED384 System

ForteBio’s Octet® RED384 system is designed for increased throughput for label-free protein quantitation and kinetic characterization. Get accurate concentration, kinetic constants, and affinity data for protein-protein, small molecule-protein and other fast-binding interactions – all with Dip and Read simplicity.

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Data Sheet Protein L Biosensors

Dip and Read™ Protein L (ProL) biosensors provide a rapid and direct method for quantifying a broad set of kappa light chain containing immunoglobulins, including whole molecules, FAb fragments and single chain variable fragments, in buffer, conditioned media or complex matrices.

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Data Sheet Octet Annual Service Contracts

Octet® service contracts are not just for repair services. They help keep your Octet system in top condition, and provide you priority access to our global network of Technical Support, Field Applications, Product Support, and Field Service Engineers. We are dedicated to helping you succeed, and to providing rapid solutions to your problems.

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Data Sheet Octet Software CRF Comparison

Octet CFR software and our GxP Server enable data acquisition and data analysis in laboratories working under GMP, GLP, and 21 CFR Part 11 regulations.

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Data Sheet Important Product Change Notification

ForteBio will be switching to Kathon as the preservative in Sample Diluent, Kinetics Buffer 10X and IgG Calibrators. As stated in the above table – HCP assay kits, Amine Coupling reagent kit, Residual Protein A kit and BLItz™ Starter Kit all include either Sample Diluent or Kinetics Buffer 10X.

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Data Sheet Streptavidin (SA) Biosensors

ForteBio Streptavidin (SA) biosensors are designed for immobilization of biotin labeled proteins for use in assaying protein:protein interactions using the Octet® platform. The systems support applications for kinetics characterization and quantitation of analytes binding to the immobilized protein.

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Data Sheet Octet Software non CRF Comparison

Pall ForteBio Octet Data Acquisition and Data Analysis software is rapidly evolving to better address the growing applications and needs of our customers.

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Data Sheet ForteBio Octet System

ForteBio’s Octet systems incorporate a dedicated instrument for reading proprietary Bio-Layer Interferometry (BLI) using a complete range of ForteBio’s ready-to-use biosensors for real-time, label-free detection of protein:protein interactions.

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Flyer BLI Biosensors Selection Guide

Read this document which is helpful in the selection of Biosensor with their detail information.

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Flyer Octet System: Monitoring Antibody Production

Accurate antibody quantitation is critical to the selection of cell lines for development and the optimization of antibody production. FortéBio’s Octet provides rapid and accurate analysis of antibody concentrations. Octet’s analytical capabilities provide greater value in applications where existing methods such as HPLC and ELISA have limitations in throughput, performance, workflow, and ease of use.

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Flyer Recent insights into COVID-19 binding epitopes

The novel coronavirus, COVID-19, has been declared a pandemic by the world health organization (WHO). As it spreads, researchers are mobilizing to understand the virus’s binding mechanisms as a first step in the development of a vaccine. Below are examples of recent publications highlighting insights into these binding mechanisms.

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Newsletter NEW Protein G Biosensor Available for the Octet Platform!

Immunoglobulin-binding proteins such as Protein A, Protein G and Protein L are commonly used to purify, immobilize or detect immunoglobulins. They have different binding profiles with respect to species, antibody type, and the portion of the antibody that is bound. Protein A biosensors are currently used for human and other IgG quantitation on the Octet platform in a variety of applications including cell line development, clone selection, process optimization and production monitoring.

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Newsletter Affinity-Tag Mediated Capture for Label-Free Biomolecular Interaction Analysis

In the post-genomic era, most analytical tools for studying the structure and function of recombinant proteins are limited by being specific to each individual protein, its sequence, and conformation.

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Product Insert Amine Coupling Reagent Kit

This kit is intended to provide the Octet System user with a convenient source for all the reagents needed to immobilize a protein of interest onto the Amine Reactive Biosensors. The kit contains sufficient reagents for immobilization onto approximately 96 biosensors.

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Product Insert Sidekick™

The Sidekick package consists of the following components.  Please ensure upon opening the package that all items are present. 

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Product Insert Microplate evaporation cover

The evaporation cover minimizes sample evaporation by only exposing one column on the sample plate at a time. Biosensors will dip into the open sample well column, and once the read is complete, the cover will return to its original position (Figure 1). The use of the evaporation cover can extend the experimental run time to up to 12 hours, with minimal sample evaporation, allowing for maximum sample recovery after concluding an assay

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Scientific Poster Label-free screening and selection of multiple antibody-antigen pairs for assay development using the Octet System

Label-free screening and selection of multiple antibody-antigen pairs for assay development using the Octet System

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Scientific Poster Detection of STEC Strains O157:H7, O26 and O111 using Biosensor System

Escherichia coli O157:H7, a strain of enterohemorrhagic, Shiga toxin-producing E. coli (STEC), causes gastroenteritis, resulting in (bloody) diarrhea and sometimes acute kidney failure due to HUS (hemolyticuremic syndrome).

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Scientific Poster Development of the ForteBio™ Octet System for label-free, real-time analysis of molecular interactions

With the resurgence of interest in antibody and protein therapeutics, there is a need to accelerate their characterization and production in a simple, label-free, and information-rich format. ForteBio’s Octet System, which is based on proprietary Bio-Layer Interferometry (BLI), addresses that need with label-free, real-time detection and analysis of molecular interactions.

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Scientific Poster Fragment Library Screening Using Octet Red

We describe, here, the first use of the FórteBio Octet Red and its label-free biolayer interferometry technology for successfully completing a fragment library screening campaign for a protein-protein interaction target. The unique features of the system allowed for rapid screening against immobilized target, minimal protein degradation, and the sensitivity to detect the binding of small molecules in the 200 MW range. Compounds were screened at a single concentration, followed by three point dose response measurements against the primary and a secondary protein target. Parallel biochemical functional assays were also run to gather supporting data that hits were targeting the correct binding sites of the proteins. Evaluation of all data allowed the selection of prospective candidates for more critical characterization by full dose response on Biacore and lower throughput technologies such as NMR.

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Scientific Poster Developing label-free, real-time detection of human polyclonal and monoclonal IgG with a Protein A biosensor on ForteBio's Octet

Developing lebel-free, real-time detection of human polyclonal and monoclonal IgG with a Protein A biosensor on ForteBio's Octet

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Scientific Poster Rapid Determination of Dynamic Binding Capacity of Resins using Biolayer Interferometry (Octet)

Determination the dynamic binding capacity of resins is an essential step in optimization of a purification process.

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Scientific Poster ForteBio’s Octet - A Novel System for Measuring Protein Interactions in Antibody Development and Production

ForteBio’s Octet - A Novel System for Measuring Protein Interactions in Antibody Development and Production

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Scientific Poster Efficient and cost-effective workflow for antibody bioprocessing using ForteBio’s Octet system for label-free, real-time analysis

Efficient and cost-effective workflow for antibody bioprocessing using ForteBio’s Octet system for label-free, real-time analysis

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Scientific Poster Amine reactive biosensors add flexibility to the Octet System for label free kinetics analysis and rapid screening

ForteBio’s Octet System, based on proprietary Bio-Layer Interferometry (BLI), is an established system that enables label-free, real-time detection and analysis of molecular interactions. BLI technology integrates biosensors with an optimized biocompatible surface and the excellent sensitivity of optical detection, to provide high value information about interactions between molecules.

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Scientific Poster Cygnus Anti-CHO HCP Detection Kit for Fast and Easy Detection of Residual CHO Host Cell Proteins on Octet Systems

Host cell proteins (HCPs) are contaminants found in biopharmaceuticals expressed in bacterial, yeast or mammalian production cell lines. Among protein expression cell lines, Chinese hamster ovary (CHO) cells are the most commonly used mammalian hosts for industrial production of recombinant protein therapeutics.

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Scientific Poster Influenza vaccine titre determination using Biolayer Interferometry(BLI)

Fast, accurate determination of vaccine titre during influenza vaccine manufacture is important in understanding process performance and correctly scaling each process step. Traditionally Single Radial Immunodiffusion (SRID) assays have been used as the ‘gold standard’ but the assay requires very skilled operators to obtain reproducible results and is relatively low throughput. ELISAs have also been used to determine titre but have lower precision and dynamic range. 

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Scientific Poster Customized quantitation of recombinant therapeutic proteins using Bio-Layer Interferometry (BLI) and High Precision Streptavidin biosensors (SAX)

Customized quantitation of recombinant therapeutic proteins using Bio-Layer Interferometry (BLI) and High Precision Streptavidin biosensors (SAX)

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Scientific Poster New label‐free direct detection method for HIS‐tagged protein quantitation

New label‐free direct detection method for HIS‐tagged protein quantitation

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Scientific Poster Octet BLI systems – unmatched versatility for discovery, development and quality control

Traditional methods for analyzing the kinetics of biomolecular interactions such as ELISA are often cumbersome and may require rigorous sample preparation. In addition, ELISA may not provide the information required for the confident understanding of a drug molecule’s MOA. In contrast the 96-well sample plate based Octet® family of instruments (Figure 1) such as the Octet RED96e system provide researchers with an easy to use real time label free system that can detect the interactions of a diverse range of biomolecules; from small molecules to proteins to mammalian cells. The Octet platform offers an advanced fluidics-free approach with a wide variety of off-the-shelf Dip and Read™ biosensors for rapid binding kinetics and quantitation analysis, enabling direct detections of not only purified biomolecules, but even those in complex media such as cell culture supernatants and lysates. The 96-channel Octet HTX system performs quantitation of 96 samples in as little as 2 minutes, and kinetic screening of 384 samples in 15 minutes. Analysis can be done using a single channel or up to 96 channels, enabling more flexibility in sample throughput when needs change. In addition, the Octet systems have been developed to operate reliably in a regulated environment. Fortebio offers 21 CFR Part 11 software and a full line of GxP products and services as part of the GxP Package. To demonstrate the performance of the BLI technology, applications in protein-protein and protein-small molecules interactions will be described.

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Scientific Poster Introducing a New BLI Instrument Focused on Throughput and Flexibility: The Octet® HTX System

Biolayer Interferometry (BLI) technology has become well established over the past decade for protein quantitation and kinetic characterization of molecular interactions. The non-fluidics based Dip and Read™ format of the Octet instrument line lends itself to highly multiplexed reading, and thus to higher throughput than other label-free techniques. As with the entire Octet line of instruments, the Octet HTX system is compatible with the full range of 18 biosensor types including protein A, streptavidin, anti-His6 -tagged and anti-species coated biosensors. In this poster, we present key applications using the newly developed Octet HTX instrument.

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Scientific Poster Small Molecule Fragment Screening on the Octet Platform

Small Molecule Fragment Screening on the Octet Platform

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Scientific Poster Quantitation of Residual Protein A and MabSelect SuRe using a “Dip and Read” Assay

Detection of residual Protein A in product purified using a Protein A, or similar column matrix such as MabSelect SuRe™, is a critical quality control step in antibody therapeutic development and production. During the IgG purification process, Protein A can leach from the purification column and co‐elute with the IgG. This contaminant in the therapeutic mixture can cause adverse reactions in patients and thus must be detected and minimized. The Octet family of instruments utilizes a unique label‐free “dip and read” detection technology to quantify biomolecules in solution. ForteBio has developed a new kit for use on this system to detect and quantify residual Protein A. The new Dip and Read™ Residual Protein A Detection Kit contains biosensors and all the reagents required to quantitate Protein A and MabSelect SuRe. The data presented here demonstrates that the Octet system can accurately and precisely detect 100 pg/mL Protein A or MabSelect SuRe in bioprocess samples.

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Scientific Poster Label-free determination of kinetic constants for small molecule binding to proteins using FortéBio’s Octet Red Multi-Channel Platform

Label-free determination of kinetic constants for small molecule binding to proteins using FortéBio’s Octet Red Multi-Channel Platform

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Scientific Poster Development of the Octet RED System for Label-free, Multi-channel Kinetic Analysis of Biomolecular Interactions

Development of the Octet RED System for Label-free, Multi-channel Kinetic Analysis of Biomolecular Interactions

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Scientific Poster Label-free screening strategies using the Octet System from ForteBio

The flexibility and throughput of ForteBio’s Octet system lends itself readily to a variety of screening applications which will be discussed in detail. Clonal screening and selection based on protein expression levels can be an important step in antibody development. Using Protein-A Biosensors, the Octet System can screen 96 samples in 30 minutes to provide accurate quantitation from crude lysates or media samples. Dissociation-rate screening to rank protein affi nities is critical to the development of therapeutic antibodies. Using fi ve-minute off -rates as a selection criterion, 96 samples can be screened against a biotinylated target in little over an hour. Affinity screening on Octet is convenient and rapid and can provide accurate determinations of protein kinetics with a minimum of development time. Using Octet to screen lysates against a series of amine-coupled targets in a multiplexing strategy further accelerates the selection of potential drug candidates.

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Scientific Poster Streamlining assay development with Amine Reactive Biosensors on the Octet System for kinetic analysis of therapeutics

Streamlining assay development with Amine Reactive Biosensors on the Octet System for kinetic analysis of therapeutics

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Scientific Poster Developing a Chaperonin‐Based Label‐Free Assay Platform to Stabilize Misfolded Proteins

Protein misfolding diseases account for 30-50% of known human diseases. It is possible that chemical ligands that stabilize proteins can be used to treat a significant subset of these folding diseases. Discovery of such lead compounds is however, hampered by slow &amp; expensive screening.

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Scientific Poster SensíQ Technologies’ OneStep® Gradient Injection Technology

The detection and characterization of fragment binding events is dependent upon sensitive biophysical technologies capable of detecting low affinity interactions of low molecular weight compounds. However, standard SPR biosensors are limited in the processing and subsequent data analyses of fragment binding events. The Pioneer FE SPR system provides rapid affinity data (KD) from primary screening alone thus enabling prompt identification of fragment candidate actives. Using a combination of dynamic injection SPR (diSPR® ) and actives selection software, the Pioneer FE is now the “go-to” instrument for real-time, labelfree identification and characterization of fragment actives in FBDD screening campaigns.

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Technical Guide Protein G Biosensors

Protein G biosensors provide a rapid and direct method for quantifying mammalian IgGs from buffer, media or other complex matrices.

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Technical Guide Dip and Read™ Anti-Mouse IgG Fc Capture Biosensors

Anti-Mouse IgG Fc Capture (AMC) biosensors enable kinetic characterization of macromolecular interactions between mouse Fc-containing proteins and target analytes (Figure 1). Immobilization of mouse Fc-containing proteins is achieved through a factory immobilized anti-mouse Fc-specific antibody whose high affinity for the mouse Fc domain provides the stable baseline required for demanding kinetics applications. Cost-effective regeneration of the biosensors and the ability to directly immobilize mouse Fc-containing proteins from crude matrices make AMC biosensors extremely useful in high-throughput applications.

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Technical Guide CHO Host Cell Protein Detection

Host cell proteins (HCPs) are contaminants found in biopharmaceuticals expressed in bacterial, yeast or mammalian production cell lines. Among protein expression cell lines, Chinese hamster ovary (CHO) cells are the most commonly used mammalian hosts for industrial production of recombinant protein therapeutics

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Technical Guide Host Cell Protein Detection

Host cell proteins (HCPs) are contaminants found in biopharmaceuticals that originate from the production cell lines of bacterial, yeast or mammalian cell culture. HCPs can reduce drug efficacy and delay or kill promising drug candidates through adverse patient reactions.

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Technical Guide Small Molecule Binding Kinetics

Small molecule kinetics can be measured on the Octet RED, Octet RED96 and Octet RED384 instruments. In a typical experiment, a biotinylated protein target is immobilized onto a high-capacity Super Streptavidin (SSA) biosensor surface, and this surface is exposed to a solution of the small molecule in a microplate well.

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Technical Guide Octet kinetics assay: method development guideline

The purpose of this document is to describe the procedure for developing a ligand binding kinetics assay on Octet® QKe, RED96, RED96e, RED384 and HTX instruments. The procedures described are for developing binding kinetics assays for release testing of product batches and related applications. The document is intended as a general guideline only. Actual method development procedures may be different as they may be product dependent.

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Technical Guide Dip and Read™ Protein L Biosensors

Protein L biosensors provide a rapid and direct method for quantifying a broad set of kappa light chain containing immunoglobulins, including whole molecules, FAb fragments and single chain variable fragments, in buffer, conditioned media or complex matrices.

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Technical Guide High Precision Streptavidin Biosensor (SAX) Quantitation and Kinetic Assays

Streptavidin-coated surfaces are widely used as a simple and straightforward method of molecular immobilization. Utilized with Bio-Layer Interferometry (BLI), Streptavidin biosensors enable quick and easy modification and customization of the biosensor with any biotintagged molecule for quantitative and kinetic measurements.

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Technical Guide Guidelines for OneStep Protocol Design

The Pioneer and Pioneer FE Next Generation SPR systems by ForteBio employ an innovative gradient injection technology based on Taylor dispersion called OneStep®. A OneStep injection produces a sigmoidal concentration gradient of analyte from a single sample vial by dispersing the sample through a buffer-filled capillary line that flows into the SPR flow cell.

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Technical Guide Biotinylate antibody from stock which contains carrier protein

Biotinylate antibody from stock which contains carrier protein (Recommended procedure for use with FortéBio streptavidin biosensors)

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Technical Guide Analysis of FLAG Proteins on the Octet® Platform Using SAX Biosensors

The DYKDDDDK polypeptide tag, commonly known as the FLAG® tag, is fused to recombinant proteins to facilitate their detection and purification. Pall ForteBio’s High Precision Streptavidin (SAX) biosensors are designed for customization by direct immobilization of biotin-labeled proteins for both kinetic characterization and quantitation measurements on Octet® or BLItz® systems. By immobilizing a biotinylated anti-FLAG antibody onto SAX biosensors, FLAG-tagged proteins can be easily captured from crude or purified samples for detection, quantitation, or affinity measurement to an interacting protein.

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Technical Guide Anti-Penta-HIS (HIS1K) Biosensors for Label-free Analysis of His-tagged Proteins

The polyhistidine-tag (His-tag) is a common peptide tag added to recombinant proteins during cloning. Many tools have been developed that enable this tag to be used for detection and purification of tagged proteins. Read more

Technical Guide Human and Mouse IgG Subtype Identification Using the Octet™ Platform

This technical note describes a rapid assay method for quantitation and subtype identification of human and mouse IgG. The antibodies can be quantified in buffer, serum-free media or lysates, using the ForteBio® Anti-Human IgG Fc or Anti-Murine Fv biosensors. Using the same biosensors, the subtype of the antibody can be identified using subtype-specific secondary antibodies. The flexible microplate-based format of the Octet platform allows up to 48 samples to be analyzed on an Octet QK or Octet RED system and up to 96 samples on an Octet QK384 or Octet RED384 system in 1 hour.

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Technical Guide Anti-HIS (HIS2) Biosensor Quantitation Assays

The polyhistidine-tag (HIS-tag) is a common peptide tag fused to recombinant proteins during cloning. Many tools have been developed that enable this tag to be used for detection and purification of tagged proteins. The Anti-HIS (HIS2) Biosensor provides a rapid, label-free method for quantitation of HIStagged proteins on Octet® and BLItz® systems. This biosensor comes pre-immobilized with the next-generation high-affinity, high-specificity anti-HIS antibody from MBS (Maine Biotechnology Services), and is ready to use for detection and quantitation of HIS-tagged proteins.

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Technical Guide Immunogenicity Assays on the Octet Platform

Immunogenicity testing, the measurement of an immune response to a therapeutic drug, is an integral part of drug development.

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Technical Guide Sidekick™ Offline Biosensor Immobilization Station

The Sidekick Station is an accessory to Pall ForteBio's Octet family of real-time, label-free biomolecular interaction analysis platforms. It is a specialized instrument that enables uniform loading of reagents across all 96 biosensors in a biosensor tray. Loading of analyte and other reagents on biosensors that do not require online monitoring of signal can be accomplished offline on the Sidekick Station, freeing up the Octet system for other users.

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Technical Guide Ni-NTA Biosensor Quantitation Assays

A polyhistidine tag (also known as hexa histidine-tag, 6xHIS-tag, or by the trademarked name HIS-tag) is commonly fused to recombinant proteins to facilitate their detection and purification.

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Technical Guide Regeneration Strategies for Streptavidin Biosensors on the Octet Platform

The ForteBio Octet platform offers powerful tools for the real-time, label-free analysis of protein-protein interactions. Together, the Octet systems and Streptavidin (SA) biosensors provide a flexible format for kinetic analysis and kinetic screening for any biological interaction in which one molecule can be biotinylated. Read more

Technical Guide Enabling Depth Filter Selection with Rapid Detection of Monoclonal Antibodies in Culture Using the BLItz System

Harvesting and recovering monoclonal antibodies (mAb) from mammalian cell culture bioreactor samples is just the first step of a closely coordinated chain of purification and processing steps. The ability to provide quick checks at-line for titer provides valuable insight into process variability and opportunities for increased con- trol over them.

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Technical Guide Ni-NTA Biosensor Kinetic Assays

A polyhistidine tag (also known as hexa histidine-tag, 6xHIS-tag, or by the trademarked name HIS-tag) is commonly fused to recombinant proteins to facilitate their detection and purification. 

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Technical Guide Biotinylating Antibody in Stocks Containing Carrier Protein

The interaction between streptavidin and biotin is widely used as a system for the rapid, stable, and irreversible non-covalent binding of proteins to ligands.

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Technical Guide Anti-GST Biosensor Quantitation Assays

Glutathione-S-transferase (GST) is commonly fused to recombinant proteins as a means of facilitating detection, purification and increasing solubility.

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Technical Guide Batch Immobilization of a Biotinylated Ligand onto Streptavidin Biosensors

ForteBio Streptavidin biosensors enable the immobilization of a biotinylated ligand onto the biosensor surface. The immobilized molecule can then be used in subsequent kinetic or custom quantitation applications.

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Technical Guide GST Biosensor Kinetics Assays

Glutathione-S-transferase (GST) is commonly fused to recombinant proteins to facilitate detection and purification, and to increase solubility.

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Technical Guide Rapid Analysis of Fab Fragments and IgG with Anti-Human Fab-CH1 2nd Generation (FAB2G) Biosensors

Anti-Human Fab-CH1 2nd Generation (FAB2G) biosensors from Pall ForteBio come pre-immobilized with a high affinity ligand that is specific for the CH1 region of Human IgG. \

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Technical Guide Biotinylation of Protein for Immobilization onto Streptavidin Biosensors

The interaction between streptavidin and biotin is widely used as a system for the rapid, stable and irreversible non-covalent binding of biological molecules. The Octet® platform’s Streptavidin biosensors have been developed for the immobilization of biotinylated ligands for both quantitation and kinetic applications. The first protein immobilized onto the Streptavidin biosensors must be biotinylated prior to assaying on the Octet system.

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Technical Guide Anti-Human Fab-CH1 (FAB) Biosensor Quantitation Assays

The Anti-Human Fab-CH1 Biosensor consists of a high affinity antihuman CH1 affinity ligand pre-immobilized on a ForteBio biosensor. In conjunction with the Octet® or BLItz™ systems, the AntiHuman Fab-CH1 Biosensor provides a rapid and label-free method for Human Fab/F(ab’)2/IgG quantitation and kinetic analysis. The high specificity of the antibody fragment-based biosensor enables direct analysis of human Fab/F(ab’)2/IgG analytes in crude lysates, column eluents, cell lysates and cell culture supernatants, serving as a time-saving alternative to traditional analytical methods. For more information on kinetic analyses using the Anti-Human FabCH1 Biosensor, please see ForteBio Technical Note 34, Anti-Human Fab-CH1 Biosensor Kinetics Assays.

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Technical Guide Ready BLI Detection Kit – Residual Protein A

The Ready BLI Detection kit for Residual Protein A is intended for the detection and quantitation of recombinant Protein A or other Protein A constructs such as MabSelect SuRe™.

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Technical Guide Dip and Read™ Amine Reactive Second-Generation (AR2G) Reagent Kit

The Amine Reactive 2nd Generation (AR2G) Reagent Kit is intended for use with the AR2G biosensor to enable covalent immobilization of a protein, peptide or other primary amine containing biomolecule onto the AR2G biosensor surface via a stable amide bond. Immobilization of proteins is achieved through standard EDC-catalyzed amide bond formation to create a covalent bond between a reactive amine on the protein and the carboxy-terminated biosensor surface. The kit contains sufficient reagents to perform 1000 standard immobilization reactions.

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Technical Guide Dip and Read™ Amine Reactive Second-Generation (AR2G) Biosensors

Amine Reactive 2nd Generation (AR2G) biosensors enable kinetic characterization of macromolecular interactions between purified proteins and target analytes.

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Technical Guide Anti-Human Fab-CH1 Biosensor Kinetics Assays

The Anti-Human Fab-CH1 Biosensor consists of a high-specificity anti-Human Fab-CH1 antibody fragment pre-immobilized on a ForteBio biosensor. In conjunction with the Octet® or BLItz™ systems, the Anti-Human Fab-CH1 Biosensor provides a rapid and label-free method for Human F(ab’)2/Fab/IgG quantitation and kinetic analysis. The high specificity of the antibody fragment-based biosensor enables direct analysis of Human F(ab’)2/Fab/IgG analytes in crude lysates, column eluents, cell lysates and cell culture supernatants, serving as a time-saving alternative to traditional analytical methods. For more information on quantitation analyses using the AntiHuman Fab-CH1 Biosensor, please see ForteBio Technical Note 33, Anti-Human Fab-CH1 Biosensor Quantitation Assays.

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Tutorials & Videos Fast and Flexible Analysis of Fc-Gamma Receptor Binding Interactions

Tutorials & Videos Kinetics on the Octet Systems What Lies Beneath the Curves

Tutorials & Videos The Octet Platform A Versatile Instrument in Downstream Processing

Tutorials & Videos Protein Concentration Measurements in Crude Samples in a Dip and Read Format

Tutorials & Videos Best Practices for Large Molecule Kinetic Assays on the Octet System

Tutorials & Videos Cell-based Label-free Monitoring of Signal Transduction

Tutorials & Videos Cross-competition or Epitope Binning Assays on the Octet HTX System

White Paper Streamlining affinity analysis for accelerated lead screening, characterization, optimization and final selection

Antibody and other protein therapeutics are a major focus in drug discovery pipelines today. The overall process for developing protein therapeutics encompasses target selection and validation, library screening to generate early candidates (hits), follow-up characterization for lead selection, lead optimization, and clinical candidate selection.

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White Paper Octet platform: a complete solution for lot release and in-process testing of biologics in GxP laboratories

Bio-Layer Interferometry (BLI) is an optical analytical technique that analyzes the interference pattern of white light reflected from two surfaces: a layer of immobilized protein on the biosensor tip and an internal reference layer (Figure 1A). Any change in the number of molecules bound to the biosensor tip causes a shift in the interference pattern that can be measured in real time (Figure 1A and 1B).

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White Paper Writing an Equipment Grant Proposal for Biomolecular Interactions Research: Bio-Layer Interferometry (BLI) and Octet Systems

In this white paper, guidelines for preparing an instrumentation grant application will are provided for principal investigators interested in acquiring an Octet® system, the label-free BLI biosensor platform for biomolecular interaction analysis.

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Citations Fab-Arm Exchange Combined with Selective Protein A Purification Results in a Platform for Rapid Preparation of Monovalent Bispecific Antibodies Directly from Culture Media

Fab-Arm Exchange Combined with Selective Protein A Purification Results in a Platform for Rapid Preparation of Monovalent Bispecific Antibodies Directly from Culture Media

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Part Number UOM Description
OCTET RED96E System Includes Octet RED96e instrument, Octet software, desktop computer, LCD monitor, accessory kit and one-year warranty
OCTET RED96E-GxP System Included Octet RED96e instrument, Octet CFR software, desktop computer, LC monitor, accessory kit, IQ/OQ kit, PQ Kits and one-year warranty
18-5132 Pack Single-use evaporation covers to extend the experiment up to 12 hours. 3 covers per pack
SIDEKICK - Sidekick instrument for offline immobilization of biosensors. Includes instrument, software, accessory kit, and one-year warranty.

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