Neeraj Singh

An isotope dilution-liquid chromatography-tandem mass spectrometry (ID-LC-MS/MS)-based candidate reference measurement procedure (RMP) for the quantification of aldosterone in human serum and plasma

Judith Taibon, Tobias Santner, Neeraj Singh et al. · Clinical Chemistry and Laboratory Medicine (CCLM) · 2023 · 29 citations · Full text

Pharmacy, Biochemistry, Endocrinology +16

An isotope dilution LC-MS/MS based candidate reference method for the quantification of cyclosporine A, tacrolimus, sirolimus and everolimus in human whole blood

Judith Taibon, Milou van Rooij, Rupert Schmid et al. · Clinical Biochemistry · 2019 · 27 citations · Full text

Pharmacy, Pharmaceutics, Pharmacology +17

Collaborative Study to Validate Purity Determination by <sup>1</sup>H Quantitative NMR Spectroscopy by Using Internal Calibration Methodology

Toru Miura, Naoki Sugimoto, Sitaram Bhavaraju et al. · Chemical and Pharmaceutical Bulletin · 2020 · 27 citations · Full text

Pharmacy, Chemistry, Pharmaceutical Analysis +16

Quantitative NMR (qNMR) spectroscopy based investigation of the absolute content, stability and isomerization of 25-hydroxyvitamin D2/D3 and 24(R),25-dihydroxyvitamin D2 in solution phase

Neeraj Singh, Judith Taibon, Stephan Pongratz et al. · Scientific Reports · 2022 · 21 citations · Full text

Medicine, Biochemistry, Bone Metabolism +16

Absolute content determination by quantitative NMR (qNMR) spectroscopy: a curious case of aldosterone

Neeraj Singh, Judith Taibon, Stephan Pongratz et al. · RSC Advances · 2021 · 20 citations · Full text

Natural Sciences, Biochemistry, Chemistry +15