Researchers have developed an enhanced LC-MS/MS method capable of quantifying 18 steroids—including key corticosteroid and sex steroid hormones, as well as intermediates involved in corticosteroid ...

Liquid chromatography-tandem mass spectrometry was used to measure acrylamide levels in potato chips due to its sensitivity ...

本研究针对生物制剂开发中宿主细胞蛋白(HCP)杂质控制的难题，系统评估了USP 1132.1推荐的三种LC-MS定量方法（相对产品蛋白法、掺入蛋白标准品法和掺入肽段标准品法）。通过模拟单抗生产工艺样本，研究人员验证了各方法在线性度、准确性、精密度等ICH Q2(R2 ...

Each year, there are an estimated 600 million people in the world who become sick from consuming contaminated food. With growing concerns over a multitude of food risks, accurate and sensitive ...

Waters Corporation today introduced a new RUO LC-MS test method to advance critical infectious disease research. Waters™ SARS-CoV-2 LC-MS Kit (RUO) uses an orthogonal analytical method that directly ...

Food allergies are a growing health issue as they become ever more prevalent around the globe. 1 As a reaction to this growth, the European Commission (EC) issued Regulation No. 1169/2011. 2 It sets ...

Biomarkers play an important role in drug development and help in the identification of disease-causing proteins found in blood, urine, body fluids, and tissue samples. The combination of liquid ...

An LC–MS/MS method for the quantitative determination of vitamin D3 in human plasma has been developed and validated with positive atmospheric chemical ionization sources. Fifteen experts from ...

Figure 1. A schematic representation of a lipid nanoparticle encapsulating mRNA. As this new form of biotechnology makes a leap of progress, so too do the analytical approaches supporting its ...

SCIEX has said a meat species authentication method developed using its QTRAP 6500 LC-MS/MS system allows greater sensitivity and a lower limit of detection. The method uses liquid chromatography with ...