Tests

Plasma Cell to Class-switched Memory B-Lymphocyte Ratio Measurement

The determination of the ratio of plasma cells to class-switched memory B-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.

Product

Elecsys Apolipoprotein E4 Plasma

Product

Elecsys Phospho-Tau (181P) Plasma

Product

Elecsys Phospho-Tau (217P) Plasma

Technology

Inductively-Coupled Plasma Mass Spectrometry

A mass spectrometry technique that uses inductively-coupled plasma generated from argon gas to atomize and ionize a sample. The resulting ions are separated and analyzed using a mass spectrometer.

Article

[Determination of 3-nitropropionic acid in plasma by high-performance liquid chromatography-tandem mass spectrometry method].

Research record from Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi, 2026-03-01. PMID 41927482.

Article

[Determination of doxepin and nordoxepin in plasma by solid-phase extraction coupled with liquid chromatography-mass spectrometry (PRiME MCX-UPLC-HRMS)].

Research record from Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi, 2026-07-01. PMID 42533659.

Article

[Rapid determination of chlorfenapyr and its metabolites in plasma by high performance liquid chromatography-tandem mass spectrometry].

Research record from Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi, 2026-06-01. PMID 42373527.

Article

[Rapid determination of venetoclax in plasma by ultra performance liquid chromatography-tandem mass spectrometry].

Research record from Se Pu, 2026-03-01. PMID 41814909.

Article

[Rapid high performance liquid chromatography-tandem mass spectrometry method for the detection of 62 psychotropic drugs in plasma].

Research record from Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi, 2026-08-01. PMID 42706023.

Article

[Simultaneous determination of selinexor， posaconazole， venetoclax， and voriconazole in human plasma using ultra-high performance liquid chromatography-tandem mass spectrometry].

Research record from Se Pu, 2026-03-01. PMID 41814908.

Article

A chromatographic approach to avoid the matrix effect caused by sodium acetate clusters in the liquid chromatography coupled with electrospray ionization mass spectrometry analysis of free fatty acids in human plasma.

Research record from J Chromatogr A, 2026-04-09. PMID 41985367.