Mass spectrometry

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facet applications:Mass spectrometry

facet content type:Protocol

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Amicon® Ultra超滤离心管在MALDI质谱分析中纯化血清多肽

生物标志物在药物发现和开发中起关键作用，

质谱代谢物文库实验方案

质谱代谢物文库（MSMLS）是一系列广泛存在于初级代谢的高质量小生化分子。其皆为高纯度（> 95％）化合物，并以经济、即用的形式提供。

MSTFA/MSTFA-d9苯丙胺的衍生化，用于GC/MS检测和鉴定

示例显示了使用SLB-5ms GC色谱柱的苯丙胺的MSTFA/MSTFA-d9衍生化如何在质谱图和色谱图中提供有价值的信息。

阿达木单抗（adalimumab）肽图谱 LC-MS/MS 分析工作流程

基于优化的 LC-MS/MS 工作流程，通过过滤辅助样品制备 (FASP) 对阿达木单抗 (Humira) 绘制低伪影胰蛋白酶酶解和肽图谱。

Fast and Reliable Environmental Analysis of Aldehyde and Ketone Air Pollutants

Aldehydes and ketones are ubiquitous air pollutants. Along with esters and ethers, they are major components of indoor air pollution and are therefore important for industrial hygiene applications.

GC Analysis of Sterols (Silylated Derivatives) in Olive Oil (Free Sterol Fraction) on SLB®-5ms after SPE using Discovery DSC-Si

Separation of Cholesterol; Brassicasterol; Campesterol; Stigmasterol; β-Sitosterol

New GC-MS Method for Mycotoxin Analysis

An article regarding A New GC-MS Method for Mycotoxin Analysis Using 13C-marked Mycotoxin Derivatives from Sigma-Aldrich.com

Developing a Quantitative SPME Method

Analysis of Isocyanates Using the ASSET™ EZ4-NCO Dry Sampler

The unique sampler design ensures that both the vapor phase and particulate isocyanates are captured and derivatized during sampling.

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

Chiral LC-MS Analysis of Methamphetamine in Urine on Astec® CHIROBIOTIC® V2

Efficient LC-MS separation of methamphetamine enantiomers in urine allows sensitive differentiation of illicit D-methamphetamine from over-the-counter L-methamphetamine.

HPLC Analysis of Carotene Compounds on Ascentis® RP-Amide

LC/MS Analysis of L-Methionine Sulfoximine and Sulfone on Ascentis® Express OH5

LC/MS Analysis of Glyphosate and Metabolites on apHera™ NH2, 2 mm I.D. Column

MSTFA/MSTFA-d9 Derivatization of Amphetamine for GC/MS Detection and Identification

Example displays how MSTFA/MSTFA-d9 derivatization of amphetamine provides valuable information in mass spectra and chromatograms using SLB-5ms GC column.

US EPA Method 8270 (PAH only): GC Analysis of PAHs on SLB®-5ms

GC Analysis of PAHs on SLB®-5ms

LC/MS Analysis of Lactic Acid Enantiomers in Urine on Astec® CHIROBIOTIC® R

Separation of L-(+)-Lactic acid, analytical standard; D-(−)-Lactic acid, 93-107%

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.

HPLC Analysis of Dopamine and Related Compounds on Discovery® HS

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

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

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 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.

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

Catalyst Screening & TLC-MS for Reaction Analysis

Catalyst screening kits, KitAlysis™, and TLC-MS analysis enable high-throughput synthesis and analysis for efficient reactions.

Allergenic Fragrance Testing – Certified Materials

IFRA method introduces new CRMs for allergenic fragrances, analyzed by GC with ionic liquid capillary column for selectivity.

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