Takehiko Yokoyama

What echocardiographic indices are predictive of patent ductus arteriosus surgical closure in early preterm infants? A prospective multicenter cohort study

Katsuaki Toyoshima, Tetsuya Isayama, Tohru Kobayashi et al. · Journal of Cardiology · 2019 · 34 citations

Medicine, Pediatrics, Surgery +15

Presence of Free<scp>D</scp>-Amino Acids in Microalgae

Takehiko Yokoyama, Nobuhiro Kanno, Takehiko Ogata et al. · Bioscience Biotechnology and Biochemistry · 2003 · 31 citations · Full text

Life Sciences, Biochemistry, Marine Biology +16

A simple and rapid method for the analysis of fish histamine by paper electrophoresis

Minoru Sato, Zhi Tao, Kazuhiro Shiozaki et al. · Fisheries Science · 2006 · 23 citations

Life Sciences, Molecular Biology, Fish Physiology +3

Changes in free amino acid concentrations and associated gene expression profiles in the abdominal muscle of kuruma shrimp <i>Marsupenaeus japonicus</i> acclimated at different salinities

Hiroki Koyama, Nanami Mizusawa, Masataka Hoashi et al. · Journal of Experimental Biology · 2018 · 23 citations · Full text

Life Sciences, Biochemistry, Physiology +16

Simultaneous determination of primary and secondary <scp>d</scp>- and <scp>l</scp>-amino acids by reversed-phase high-performance liquid chromatography using pre-column derivatization with two-step labelling method

Takehiko Yokoyama, Masaharu Tokuda, Masafumi Amano et al. · Bioscience Biotechnology and Biochemistry · 2017 · 20 citations · Full text

Pharmacy, Biochemistry, Pharmaceutical Analysis +15