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General Article
Press Fit Column Connectors - Instructions for Using Polyimide Sealing Resin

Instructions for using polyimide sealing resin with glass press-fit unions

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Bio-Monolith Protein A & Protein G Affinity Columns

mAb titer for process development (or purification of small amounts of mAb for further characterization fast separation)

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Affinity chromatography is one of the most effective ways to determinate the titer of monoclonal antibodies. Protein A and Protein G affinity chromatography columns absorb the IgG molecules onto the affinity resins which contain either immobilized protein A ligand or protein G ligand. Then, the remaining impurities and by-products from the fermentation broth can be removed. Elution of the purified monoclonal antibody and quantification by comparing the peak area to a calibration curve allows rapid measurement of the protein concentration. |Bio-Monolith Protein A and Protein G affinity columns are designed for analytical separation of all IgG subclasses (human and mouse). Delivering fast and accurate quantitation of mAb titer (sub 1 minute) and purification of small amounts of mAb for subsequent Critical Quality Attribute (CQA) analysis by another complementary technique, such as Aggregate Analysis or Charge Variant Analysis, they can easily be combined into a 2D-LC workflow.|Bio-Monolith Protein A and Protein G affinity chromatography columns are compatible with HPLC and UHPLC systems, including the Agilent 1100, 1200, 1260, and 1290 Bio-inert Quaternary LC Systems.
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Ultra Inert Press Fit Column Connectors for GC

Agilent Technologies offers Ultra Inert universal press-fit column connectors

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In the past it was necessary to use press-fit connectors with specific dimensions to connect columns of those dimensions. Modern press-fit connectors are "laser-milled" to provide highly reproducible taper angles throughout the length of the press-fit, ensuring an excellent seal. The press-fits are now treated with Agilent Ultra Inert deactivation to provide a robust and inert flow path.|Glass unions can be sealed with polyimide sealing resin which ensures a leak-free and solid connection. This method is recommended if glass press-fit unions are used.
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Manual Vial Crimpers & Decappers

A selection of ergonomically designed manual vial crimpers, vial decappers, and related accessories.

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Agilent ergonomic manual vial crimpers and decappers remove the pain and discomfort of wrist strain with a lightweight, tailored design. Weighing 25–30% less than predecessors, the new design dramatically improves your experience by helping to eliminate sore, pinched hands. Extensively tested on both 11 mm crimp caps and 20 mm crimp caps, these vial crimpers are an economical alternative to electronic vial versions.

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AssayMAP Bravo Protein Sample Prep Platform

For automated protein sample preparation using verified protocols

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The AssayMAP Bravo platform combines precision liquid flow control, microchromatography cartridges with diverse resin chemistries, and intuitive software to bring the power of chromatography to sample preparation. The system is tailored to address the wide variety of protein sample preparation workflows used in proteomics and biotherapeutic drug discovery and development. |Automated protein sample preparation with the AssayMAP Bravo minimizes variability, sample handling errors, and manual labor. Pre-optimized protocols and permission levels provide a walk-up solution that makes automation accessible for everyone with minimal training. Optional compliance enabling features allow workflows to be seamlessly passed from noncompliant to compliant labs, making the AssayMAP Bravo the ideal automated sample preparation solution for every stage of the drug discovery process.
Community Search Results

HPLC - Carbohydrate Analyses in LC

HPLC - Carbohydrate Analyses in LC

INTRODUCTION Columns for carbohydrate separations use different chromatographical partitioning techniques, which separate molecules based on a number of different chemical characteristics. The most common mechanism is Ion-Exclusion Partition Chromatography (IEPC) or Ion-Moderated Partition Chromatography (IMPC). The resin is a polystyrene-divinylbenzene co-polymer with bonded propyl benzenesulfonic acid groups, which can be loaded with a cation (sodium, calcium, lead). The negatively charged sulfonic acid groups and the positively charge metal ions form a kind of semi permeable membrane, which repels ionic species, but is permeable for neutral ones. The eluent in the resin is the second (stationary) phase and neutrals part between the eluent and the "resin-eluent". This partitioning is stimulated for carbohydrates by ligand exchange effects (see below).

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Chromosorb - Properties of the Most Used Support Material in Packed GC

Chromosorb - Properties of the Most Used Support Material in Packed GC

Introduction In Packed Gas Chromatography liquid phases need a support material as carrier. This support is mainly d iatomaceous earth, i. e. fossilized shells of very small sea life from millions of years ago.

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Applications
Resin Analysis with Agilent PLgel MIXED Columns and Gel Permeation Chromatography (PDF)

Application note for resin analysis with Agilent PLgel MIXED Columns and Gel Permeation Chromatography

  • Publication Part Number: 5990-8416EN
  • Created: 30 Apr 2015
  • 385 KB
  • PDF
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Publication Part Number 5990-8416EN
Analysis Analysed with Part No.
PLgel MIXED-B
PLgel MIXED-D
PLgel MIXED-E
Instrument
PL-GPC 50
Analytical Technique Technique
GPC
LC
SEC
Injection
valve
Detection
RI
Sample Chemical Group
oligomers
polymers
Sample Matrix
test mixture
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Applications
Phenolic Resin Analysis with Agilent PLgel Columns and Gel Permeation Chromatography (PDF)

Phenol formaldehyde resins are made by the reaction of phenol and formaldehyde, through...

  • Publication Part Number: 5990-8486EN
  • Created: 30 Apr 2015
  • 183 KB
  • PDF
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Publication Part Number 5990-8486EN
Analysis Analysed with Part No.
PLgel 100Å
PLgel 500Å
Instrument
PL-GPC 50
Analytical Technique Technique
GPC
LC
SEC
Injection
valve
Detection
RI
Sample Chemical Group
oligomers
Sample Matrix
phenolic resins
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Applications
Melamine Resin Analysis with Agilent PLgel Columns and Gel Permeation Chromatography (PDF)

GS

  • Publication Part Number: 5990-8419EN
  • Created: 30 Apr 2015
  • 159 KB
  • PDF
Quick View Supporting Products Supporting Documents
Publication Part Number 5990-8419EN
Analysis Analysed with Part No.
PLgel 100Å
Instrument
Agilent 1260 Infinity
Analytical Technique Technique
GPC
LC
SEC
Injection
valve
Detection
RI
Sample Chemical Group
oligomerics
Sample Matrix
melamine resin
Chinese (Simplified) (China) Complete (PDF)
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Applications
Analysis of Epoxy Resins by GPC Viscometry using the 390-LC Multi Detector Suite (MDS) (PDF)

Application note for the analysis of Epoxy Resins by GPC Viscometry using the 390-LC Multi Detector Suite (MDS)

  • Publication Part Number: 5991-5840EN
  • Created: 30 Apr 2015
  • 777 KB
  • PDF
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Applications
Determination of Epoxy Resin Polymers by GPC with the Agilent 1290 Infinity II LC (PDF)

Determination of Epoxy Resin Polymers by GPC with the Agilent 1290 Infinity II LC Equipped with the Agilent 1290 Infinity II RID

  • Publication Part Number: 5994-1547EN
  • Created: 11 Nov 2019
  • 390 KB
  • PDF
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Chromatograms
Alkyl Resin: Gel Permeation Chromatography Using Plgel Columns (JPG)

  • Created: 19 Dec 2005
  • 62 KB
  • JPG
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Posters
Comprehensive Analysis of Oligomeric Impurities, Monomer Composition, and End-Group Information in ArF Photoresist Block Copolymers Using Q-TOF High-Resolution Mass Spectrometry (PDF)

This study establishes HRMS as a critical tool for dissecting the complex structure information of ArF photoresist resins.

  • Publication Part Number: ASMS 2025 Poster ThP 748
  • Created: 15 May 2025
  • 414 KB
  • PDF
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PolarGel Columns

Column for organic GPC/SEC of polar polymers with polar organic solvents, such as DMF or DMSO

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PolarGel columns are designed for organic GPC/SEC analysis with polar organic solvents such as DMF, DMSO, NMP, and DMAc, as well as water/organic mixtures. These eluents are very useful in GPC/SEC to separate polar polymers, such as resins, starches, acrylics, biopolymers, polysaccharides, polyamides, and other polar polymers that are insoluble in water or organic solvents.
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Method Development Services for Macromolecules

Specialist design of a suitable, optimized method that aligns with your project goals

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A robust method is the key to reliable, consistent, and precise results. Agilent will work with you on various aspects of method validation and development for macromolecular analysis using GPC/SEC, interaction polymer chromatography (IPC), and two-dimensional chromatography (2D-LC). Our specialists will help you identify and optimize the best method for your analytical requirements and, subsequently, provide you with a project plan, which may include several phases depending on the project's progression.
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Bio MAb HPLC Columns

High density non-porous weak cation exchanger for mAb charge variant analysis.

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Bio MAb columns are weak cation exchange HPLC columns, packed with nonporous polymeric particles. Thorough characterization of monoclonal antibodies (MAb) includes the identification and monitoring of acidic and basic charge variants. Bio MAb HPLC columns feature a unique resin specifically designed for high resolution charge-based separations of monoclonal antibodies and similar therapeutics.|Bio MAb columns are available in 1.7 μm, 3 μm, 5 μm, and 10 μm particle sizes, providing higher resolution with the smaller particles. The Bio MAb column features a highly uniform, densely packed, weak cation exchange layer. This layer of the Bio MAb column is chemically bonded to the hydrophilic, polymeric coating of the Bio MAb column.|PEEK hardware is available for the 2.1 mm and 4.6 mm id columns with the two larger (5 and 10 μm) particle sizes. PEEK hardware can mitigate corrosion that can occur with high salt. Using PEEK fittings (p/n 5042-8957) with PEEK hardware is highly recommended.

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1290 Infinity II GPC/SEC System

High resolution with high throughput for reduced costs at micro- or analytical-scale operation.

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The 1290 Infinity II GPC/SEC System is a complete GPC/SEC analysis solution that is capable of both GPC analytical- or microscale operation. The low-volume refractive index detector (RID) enables microscale operation, which offers several key benefits, including shorter run times for higher sample throughput, ultralow dispersion for improved resolution, and lower solvent usage and waste disposal in order to reduce costs.|Coupling with the Openlab GPC software enables archiving of all data together in a single CFR compliant environment.
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GPC/SEC Software for OpenLab CDS

An OpenLAB CDS add-on for application-specific GPC/SEC calibration, data processing, and reporting

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This GPC/SEC software is an easy-to-install add-on for OpenLab CDS, allowing you to perform application-specific calibrations and calculations on data acquired with OpenLab CDS. GPC/SEC software for OpenLab CDS is compatible with both workstations and network-based solutions. Fully integrated into the OpenLab CDS platform, HPLC and GPC calculations can be performed on the same data files. The software supports narrow standard, broad standard.
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PolarSil

Polar modified silica-based column for GPC/SEC of polymers in polar organics such as DMAc and DMSO

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PolarSil columns are based on polar modified silica and ideal for the organic GPC/SEC separation of low to medium molar mass resins and lignins with molecular weights from 100 to 1,000,000 Da using polar organic solvents. Multiple column configurations are available to match your specific application, including two particle sizes, 3 and 5 μm, and three porosities, 100, 300, and 1,000 Å as well as two different linear/mixed-bed columns.
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SDV GPC Columns

Styrene-divinylbenzene copolymer-based column for organic GPC/SEC analysis of polymers

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SDV columns are useful for a wide variety of polymer analyses in nonpolar and medium polar organic solvents. These GPC columns are made from a styrene-divinylbenzene copolymer network and are available in three particle sizes (3, 5, and 10 μm) and a range of porosities to meet many organic GPC and SEC polymer analysis needs, including for polystyrene, polyvinyl chloride, polycarbonate, elastomers, resins, and more. The molecular weight range for SDV columns is 100 to 30,000,000 Da. SDV columns meet USP L21.
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PL-SAX Anion-Exchange HPLC Columns for Biomolecules

Fully porous quaternary amine strong anion-exchange suitable for oligonucleotides and proteins.

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PL-SAX strong anion-exchange resin is extremely hydrophilic and designed for purification of biomolecules. PL-SAX columns and media are ideal for anion-exchange separations of proteins and synthetic oligonucleotides under native or denaturing conditions. |The PL-SAX material has a polymeric base particle and is chemically and thermally stable over a full range of HPLC conditions. The strong anion-exchange functionalities, covalently linked to a chemically stable polymer, facilitate anion-exchange purifications over a wide pH range and the anion exchange capacity is independent of pH. This stability can be exploited for column sanitation and clean-up, and also enables the use of denaturing conditions and stabilizing/solubilizing agents, as encountered in the purification of synthetic oligonucleotides with self-complementary sequences.

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