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Instructions for using polyimide sealing resin with glass press-fit unions
Agilent Technologies offers Ultra Inert universal press-fit column connectors
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.
A selection of ergonomically designed manual vial crimpers, vial decappers, and related accessories.
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.
mAb titer for process development (or purification of small amounts of mAb for further characterization fast separation)
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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For automated protein sample preparation using verified protocols
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.
Application note for resin analysis with Agilent PLgel MIXED Columns and Gel Permeation Chromatography
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Phenol formaldehyde resins are made by the reaction of phenol and formaldehyde, through...
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Application note for the analysis of Epoxy Resins by GPC Viscometry using the 390-LC Multi Detector Suite (MDS)
Determination of Epoxy Resin Polymers by GPC with the Agilent 1290 Infinity II LC Equipped with the Agilent 1290 Infinity II RID
This study establishes HRMS as a critical tool for dissecting the complex structure information of ArF photoresist resins.
High density non-porous weak cation exchanger for mAb charge variant analysis.
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.
Specialist design of a suitable, optimized method that aligns with your project goals
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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High resolution with high throughput for reduced costs at micro- or analytical-scale operation.
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.
Styrene-divinylbenzene copolymer-based column for organic GPC/SEC analysis of polymers
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.
Column for organic GPC/SEC of polar polymers with polar organic solvents, such as DMF or DMSO
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.
Polar modified silica-based column for GPC/SEC of polymers in polar organics such as DMAc and DMSO
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.
Fully porous quaternary amine strong anion-exchange suitable for oligonucleotides and proteins.
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.
This application note describes the use of size exclusion chromatography with a multidetector system for the study of lipid nanoparticles in human plasma.