Ryosuke Nagatomo

Kusatsu, 5258577, Japan

Last Updated: 09/26/2026

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Found 9 publications

Comparison of 3-nitrophenylhydrazine, O-benzyl hydroxylamine, and 2-picolylamine derivatizations for analysis of short-chain fatty acids through liquid chromatography coupled with tandem mass spectrometry.

Comparison of 3-nitrophenylhydrazine, O-benzyl hydroxylamine, and 2-picolylamine derivatizations for analysis of short-chain fatty acids through liquid chromatography coupled with tandem mass spectrometry.

Journal: Analytical sciences : the international journal of the Japan Society for Analytical Chemistry

Published: September 12, 2023

Sustainable chromatographic purification of milbemectin: Application of high-speed countercurrent chromatography coupled with off-line atmospheric pressure solid analysis probe-high resolution mass spectrometry.

Sustainable chromatographic purification of milbemectin: Application of high-speed countercurrent chromatography coupled with off-line atmospheric pressure solid analysis probe-high resolution mass spectrometry.

Journal: Journal of chromatography. A

Published: January 31, 2023

Short-chain fatty acids profiling in biological samples from a mouse model of Sjögren's syndrome based on derivatized LC-MS/MS assay.

Short-chain fatty acids profiling in biological samples from a mouse model of Sjögren's syndrome based on derivatized LC-MS/MS assay.

Journal: Journal of chromatography. B, Analytical technologies in the biomedical and life sciences

Published: May 15, 2022

Verification of the Impact of Blood Glucose Level on Liver Carcinogenesis and the Efficacy of a Dietary Intervention in a Spontaneous Metabolic Syndrome Model.

Verification of the Impact of Blood Glucose Level on Liver Carcinogenesis and the Efficacy of a Dietary Intervention in a Spontaneous Metabolic Syndrome Model.

Journal: International journal of molecular sciences

Published: November 01, 2021

Experimental design of a stable isotope labeling derivatized UHPLC-MS/MS method for the detection/quantification of primary/secondary bile acids in biofluids.

Experimental design of a stable isotope labeling derivatized UHPLC-MS/MS method for the detection/quantification of primary/secondary bile acids in biofluids.

Journal: Journal of pharmaceutical and biomedical analysis

Published: June 23, 2021

Association of Short-Chain Fatty Acids in the Gut Microbiome With Clinical Response to Treatment With Nivolumab or Pembrolizumab in Patients With Solid Cancer Tumors.

Association of Short-Chain Fatty Acids in the Gut Microbiome With Clinical Response to Treatment With Nivolumab or Pembrolizumab in Patients With Solid Cancer Tumors.

Journal: JAMA network open

Published: April 17, 2020

Application of 2-Picolylamine Derivatized Ultra-high Performance Liquid Chromatography Tandem Mass Spectrometry for the Determination of Short-chain Fatty Acids in Feces Samples.

Application of 2-Picolylamine Derivatized Ultra-high Performance Liquid Chromatography Tandem Mass Spectrometry for the Determination of Short-chain Fatty Acids in Feces Samples.

Journal: Analytical sciences : the international journal of the Japan Society for Analytical Chemistry

Published: August 07, 2018

Effect of coffee or coffee components on gut microbiome and short-chain fatty acids in a mouse model of metabolic syndrome.

Effect of coffee or coffee components on gut microbiome and short-chain fatty acids in a mouse model of metabolic syndrome.

Journal: Scientific reports

Published: January 03, 2018

Analysis of the gut microbiome and plasma short-chain fatty acid profiles in a spontaneous mouse model of metabolic syndrome.

Analysis of the gut microbiome and plasma short-chain fatty acid profiles in a spontaneous mouse model of metabolic syndrome.

Journal: Scientific reports

Published: August 24, 2017

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Last Updated: 09/26/2026