Biologics and Biosimilars Characterization

应用筛选条件

facet applications:Biologics and Biosimilars Characterization

facet applications:Large molecule HPLC

facet applications:Mass spectrometry

facet applications:Protein mass spectrometry

facet content type:Protocol

显示 31-60 共 113 条结果

Determination of l- and d-Lactic Acid Enantiomers by HPLC/MS/MS

Rapid, simple, reproducible chiral separation and quantification of L- and D-lactic acid enantiomers using Supelco’s Astec CHIROBIOTIC® R chiral column and tandem MS.

Veterinary Drug Residues

The use of veterinary drugs may be integral to the process of raising food producing animals and fish. These can include antibiotics, hormones, and steroids.

SOURCE™: Purification at High Throughput with High Resolution and Easy Scale-Up

This page covers using SOURCE™ medias for the purification of proteins, peptides, or oligonucleotides.

HPLC Analysis of Dopamine and Related Compounds on Discovery® HS

Protocol for HPLC Analysis of Dopamine and Related Compounds on Discovery® HS

HPLC Analysis of Heroin, Cocaine, Amphetamine and MDMA on Ascentis® Express HILIC

Separation of Heroin, analytical standard, ≥98% (HPLC); Cocaine hydrochloride, analytical standard; D-Amphetamine hemisulfate salt solution, 1.0 mg/mL in methanol, analytical standard, for drug analysis; (±)-3,4-Methylenedioxymethamphetamine hydrochloride solution, analytical standard, for drug analysis, 1.0 mg/mL in methanol

LC/MS Analysis of L-Methionine Sulfoximine, Sulfone and Sulfoxide on Ascentis® Express HILIC

Separation of L-Methionine sulfone; L-Methionine sulfoximine; L-Methionine sulfoxide

Analysis of Alkylphenols and Alkylphenol Ethoxylates Using new 13C-Labeled and Deuterated Internal Standards According to ISO 18857-2

Alkylphenols are starting materials for the synthesis of alkylphenol ethoxylates, which are widely used as non ionic tensides, dispersive agents in paper and leather manufacturing, emulsifiers for pesticide formulations and as auxiliary agents for drilling and flotation.

Mass Spectrometry of Glycans

The development of modern mass spectrometry (MS) equipment with high resolution and mass accuracy has led to its use in analyzing glycans for both profiling and structural studies.

HPLC Analysis of Glycans

Allergenic Fragrance Testing – New Certified Reference Materials and GC-FID/GC-MS Application

Last year, the International Fragrance Association (IFRA) published a new method for the testing of 57 potentially allergenic fragrances. We introduce two new dedicated certified reference materials (CRMs) and their analysis by GC using an ionic liquid capillary column, providing

LC/MS (TOF) Analysis of Drugs and Their Glucuronide Metabolites in Urine on Titan™ C18 After Solid Phase Extraction (SPE) Using Supel™-Select SCX, β-Glucuronidase Enzyme Digestion

-THC solution, 1.0 mg/mL in methanol, ampule of 1 mL, certified reference material

AOAC Method 2011.11: UHPLC/MS/MS Analysis of Vitamin D2 and Vitamin D3 on Titan™ C18

Separation of Ergocalciferol (D2), analytical standard; Cholecalciferol (D3), analytical standard

LC/MS/MS Analysis of Aflatoxins in Cannabis on Ascentis® Express 2.7µm Phenyl-Hexyl after Cleanup Using Supel™ Tox AflaZea SPE

solution, 2 μg/mL in acetonitrile, analytical standard

Workflow for High-Throughput Glycoprofiling of Rituximab

Step-by-step SEC-MS protocol for rapid glycoprofiling of a monoclonal antibody (mAb), consisting of antibody purification, a mAb reduction procedure, a mass spectrometer calibration, and a system suitability test.

Fast and Robust HPLC Separation of Bile Acids and Conjugates with Ascentis Express C18

This method is particularly useful in research into the role of individual bile acids as signaling molecules; suitable for clinical laboratories to investigate potential mechanisms linked to gut hormone profiles and glycemic control.

Headspace SPME-GC/MS Analysis of Terpenes in Hops and Cannabis

Terpenes are present in essential oils derived from plants and often impart characteristic aromas to the plant or its oil. The SPME is a convenient, efficient, and easy to automate sample preparation technology for analyzing the terpene/terpenoid profile of these

LC/MS/MS Analysis of Interacting Cardiac Drugs Digoxin, Quinidine, Amiodarone and Verapamil on Titan™ C18

Rapid, Sensitive, and Quantitative LC/MS/MS Determination of Digitoxin and Digoxin in Plasma

Immunoassay-based methods for digitoxin or digoxin exist, but are time consuming, labor intensive, and not selective due to similarities in their chemical structures.

Analysis of Residual Solvents in Hemp Extract by Headspace SPME-GC/MS

The use of solid phase microextraction (SPME) allowed for the straightforward, fast, sensitive, and accurate GC/MS determination of the residual solvent content of spiked and unspiked samples of hemp extract.

Empowering Biochemists to Analyze Glycoproteins with Exceptional Reproducibility

Fast, high-resolution separations of procainamide labeled glycans - dextran ladder, human IgG and cetuximab

Determination of Triclosan in Environmental Waters

Triclosan was detected in waste water plant discharge using HPLC followed by UV and MS/MS detection.

Chiral and Achiral LC-MS Analysis of Warfarin™ in Plasma Samples

This study demonstrates the analysis of Warfarin in plasma samples utilizing chiral and achiral (reversed-phase) LC-MS and effective sample prep to remove endogenous phospholipids

Accurate Biological Testing for Amphetamine and Methamphetamine Abuse Using Chiral HPLC and MS Detection

Optimized sample prep and chiral chromatography methods for the LC/MS analysis of these drug enantiomers in urine

Fast and Accurate LC-MS Analysis of Vitamin D Metabolites Using Ascentis® Express F5 HPLC Columns

Fast and Accurate LC-MS Analysis of Vitamin D Metabolites, Using Ascentis® Express F5 HPLC Columns from Supelco®

HPLC Analysis of Immunoglobulin G (IgG) on Zenix® SEC-150 versus Zenix® SEC-300, Effect of Pore Size on Resolution

Measurement of acetic acid vapor in the workplace using passive sampling SPME and on-fiber derivatization with 1-pyrenyldiazomethane: Comparison with active sampling

Measurement of acetic acid vapor in the workplace using passive sampling SPME and on-fiber derivatization with 1-pyrenyldiazomethane: Comparison with active sampling.

GC Analysis of PBDE Flame-Retardant Compounds

Determination of Quinine in Tonic Water and Caffeine in Coffee and Cola Drinks Using TLC-MS

HPTLC–MS analysis of quinine in tonic water and caffeine in coffee and cola drinks. Tonic and cola drinks decarbonized through ultrasonication, and coffee extracted through PTFE filter.

Qualitative Thin Layer Chromatography Analysis Ginkgo

Qualitative Thin Layer Chromatography Analysis of Flavonoids and Quantification of Terpene Lactones in Ginkgo Biloba Extracts and Tablets

Determination of Lactose in Dairy Products Using TLC-MS

Straightforward HPTLC-MS analysis of lactose in dairy products (milk or yoghurt) using only protein crash, centrifugation and dilution as sample preparation.

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