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List of works by Tatsuya Higashi

A highly sensitive LC–ESI-MS/MS method for the quantification of cholesterol ozonolysis products secosterol-A and secosterol-B after derivatization with 2-hydrazino-1-methylpyridine ⬇️

scientific article published on August 9, 2011

Aldosterone and 18-Oxocortisol Coaccumulation in Aldosterone-Producing Lesions

scientific article published on 01 December 2018

Characterization of new conjugated metabolites in bile of rats administered 24,25-dihydroxyvitamin D(3) and 25-hydroxyvitamin D(3)

scientific article published on 01 May 2000

Characterization of urinary metabolites of vitamin D(3) in man under physiological conditions using liquid chromatography-tandem mass spectrometry

scientific article published in July 2002

Derivatization of chiral carboxylic acids with (S)-anabasine for increasing detectability and enantiomeric separation in LC/ESI-MS/MS

scientific article published on September 24, 2012

Derivatization of neutral steroids to enhance their detection characteristics in liquid chromatography?mass spectrometry ⬇️

scientific article published on November 4, 2003

Derivatization-based quadruplex LC/ESI-MS/MS method for high throughput quantification of serum dehydroepiandrosterone sulfate

scientific article published on 11 November 2020

Formation of cholesterol ozonolysis products in vitro and in vivo through a myeloperoxidase-dependent pathway ⬇️

scientific article published on October 4, 2010

Gas chromatography and high-performance liquid chromatography of natural steroids

scientific article

Identification of conjugation positions of urinary glucuronidated vitamin D3 metabolites by LC/ESI-MS/MS after conversion to MS/MS-fragmentable derivatives

scientific article published on 17 April 2019

In vitro and in vivo glucuronidation of 24,25-dihydroxyvitamin D3

scientific article published on 01 October 1999

LC/MS/MS of Steroids Having Vicinal Diol as Electrospray-Active Boronates ⬇️

scientific article published on January 1, 2013

Levels of 24,25-dihydroxyvitamin D3, 25-hydroxyvitamin D3 and 25-hydroxyvitamin D3 3-sulphate in human plasma

scientific article published on 01 January 1999

Liquid chromatography--mass spectrometric method combined with derivatization for determination of 1 alpha-hydroxyvitamin D(3) in human plasma

scientific article

Overestimation of salivary 25-hydroxyvitamin D3 level when using stimulated saliva with gum-chewing ⬇️

scientific article published on May 18, 2013

Rapid and sensitive determination of the intermediates of advanced glycation end products in the human nail by ultra-performance liquid chromatography with electrospray ionization time-of-flight mass spectrometry ⬇️

scientific article published on February 28, 2012

Salivary Hormone Measurement Using LC/MS/MS: Specific and Patient-Friendly Tool for Assessment of Endocrine Function ⬇️

scientific article published on January 1, 2012

Specificity of polyclonal antibodies raised against a novel 24,25-dihydroxyvitamin D3-bovine serum albumin conjugant linked through the C-11alpha or C-3 position

scientific article published on 01 May 1997

Stereoselective Synthesis and NMR Characterization of C‐24 Epimeric Pairs of 24‐Alkyl Oxysterols ⬇️

scientific article published on November 30, 2012

Studies on Neurosteroids XVI. Levels of Pregnenolone Sulfate in Rat Brains Determined by Enzyme-linked Immunosorbent Assay Not Requiring Solvolysis ⬇️

scientific article published on May 1, 2003

Studies on neurosteroids XIV. Levels of dehydroepiandrosterone sulfate in rat brain and serum determined with newly developed enzyme-linked immunosorbent assay

scientific article published in December 2001

Studies on neurosteroids XV. Development of enzyme-linked immunosorbent assay for examining whether pregnenolone sulfate is a veritable neurosteroid

scientific article

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