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Koji Nakayama

Koji Nakayama

D-Index & Metrics

Biology and Biochemistry

D-Index
72
Citations
14031
World Ranking
6467
National Ranking
421

Overview

Koji Nakayama is affiliated with Nagasaki University in Japan. Their research spans multiple fields, primarily focusing on Engineering and Medicine, with significant contributions in Electrical and Electronic Engineering, Epidemiology, Infectious Diseases, Molecular Biology, and Radiology, Nuclear Medicine and Imaging.

Their research work covers a range of topics including Silicon Carbide Semiconductor Technologies, Electromagnetic Compatibility and Noise Suppression, HVDC Systems and Fault Protection, Biochemical and Molecular Research, Integrated Circuits and Semiconductor Failure Analysis, Silicon and Solar Cell Technologies, and Spectroscopy Techniques in Biomedical and Chemical Research.

Koji Nakayama has published in a variety of venues, with frequent appearances in the Japanese Journal of Applied Physics, Materials Science Forum, Materials Science in Semiconductor Processing, Journal of Pharmaceutical and Biomedical Analysis, and Vaccine. Some key publications include:

  • "Aluminum channeling in 4H-SiC by high-energy implantation above 10 MeV" (2024, Materials Science in Semiconductor Processing)
  • "Low VF 4H-SiC N-i-P diodes using newly developed low-resistivity p-type substrates" (2020, Japanese Journal of Applied Physics)
  • "Quantification of API content in pharmaceutical tablets within milliseconds by time-stretch near-infrared transmission spectroscopy" (2024, Journal of Pharmaceutical and Biomedical Analysis)
  • "Shorter incubation period in symptomatic measles patients who had no history of measles vaccination" (2024, Vaccine)
  • "13 kV SiC-DMOSFETs and body diodes for HVDC MMC converters" (2021, Japanese Journal of Applied Physics)

Frequent collaborators with Koji Nakayama include Yoshiyuki Yonezawa, Junki Sahara, Masaya Fujimoto, Yasufumi Yagisawa, and Aya Ikarashi. Each has coauthored multiple papers with Nakayama, indicating ongoing research partnerships.

Best Publications

  • Genetic Analyses of Proteolysis, Hemoglobin Binding, and Hemagglutination of Porphyromonas gingivalis CONSTRUCTION OF MUTANTS WITH A COMBINATION OF rgpA, rgpB, kgp, AND hagA

    Yixin Shi;Dinath B. Ratnayake;Kuniaki Okamoto;Naoko Abe

  • Cloning and characterization of the asd gene of Salmonella typhimurium: use in stable maintenance of recombinant plasmids in Salmonella vaccine strains.

    Jorge E. Galán;Koji Nakayama;Roy Curtiss

  • U0126 and PD98059, specific inhibitors of MEK, accelerate differentiation of RAW264.7 cells into osteoclast-like cells.

    Hitoshi Hotokezaka;Eiko Sakai;Kazuhiro Kanaoka;Kan Saito

  • A protein secretion system linked to bacteroidete gliding motility and pathogenesis

    Keiko Sato;Mariko Naito;Hideharu Yukitake;Hideki Hirakawa

  • Escherichia coli RecQ protein is a DNA helicase.

    Keiko Umezu;Koji Nakayama;Hiroaki Nakayama

  • Construction and Characterization of Arginine-specific Cysteine Proteinase (Arg-gingipain)-deficient Mutants of Porphyromonas gingivalis EVIDENCE FOR SIGNIFICANT CONTRIBUTION OF Arg-GINGIPAIN TO VIRULENCE

    Koji Nakayama;Tomoko Kadowaki;Kuniaki Okamoto;Kenji Yamamoto

  • Determination of the Genome Sequence of Porphyromonas gingivalis Strain ATCC 33277 and Genomic Comparison with Strain W83 Revealed Extensive Genome Rearrangements in P. gingivalis

    Mariko Naito;Hideki Hirakawa;Atsushi Yamashita;Naoya Ohara

  • Isolation and genetic characterization of a thymineless death-resistant mutant of Escherichia coli K12: identification of a new mutation (recQ1) that blocks the RecF recombination pathway.

    Hiroaki Nakayama;Koji Nakayama;Ritsuko Nakayama;Nobuto Irino

  • Molecular genetics and nomenclature of proteases of Porphyromonas gingivalis

    M. A. Curtis;H. K. Kuramitsu;M. Lantz;F. L. Macrina

  • Arg-gingipain acts as a major processing enzyme for various cell surface proteins in Porphyromonas gingivalis.

    Tomoko Kadowaki;Koji Nakayama;Fuminobu Yoshimura;Kuniaki Okamoto

  • Involvement of a lysine-specific cysteine proteinase in hemoglobin adsorption and heme accumulation by Porphyromonas gingivalis

    Kuniaki Okamoto;Koji Nakayama;Tomoko Kadowaki;Naoko Abe

  • Porphyromonas gingivalis Proteinases as Virulence Determinants in Progression of Periodontal Diseases

    Tomoko Kadowaki;Koji Nakayama;Kuniaki Okamoto;Naoko Abe

  • Involvement of arginine-specific cysteine proteinase (Arg-gingipain) in fimbriation of Porphyromonas gingivalis.

    Koji Nakayama;Fuminobu Yoshimura;Tomoko Kadowaki;Kenji Yamamoto

  • Por Secretion System-Dependent Secretion and Glycosylation of Porphyromonas gingivalis Hemin-Binding Protein 35

    Mikio Shoji;Keiko Sato;Hideharu Yukitake;Yoshio Kondo

  • Porphyromonas gingivalis Gingipains and Adhesion to Epithelial Cells

    Tsute Chen;Koji Nakayama;Lynn Belliveau;Margaret J. Duncan

  • The recQ gene of Escherichia coli K12: molecular cloning and isolation of insertion mutants.

    Koji Nakayama;Nobuto Irino;Hiroaki Nakayama

  • Molecular analysis of RANKL‐independent cell fusion of osteoclast‐like cells induced by TNF‐α, lipopolysaccharide, or peptidoglycan

    Hitoshi Hotokezaka;Eiko Sakai;Naoya Ohara;Yuka Hotokezaka

  • Identification of Porphyromonas gingivalis proteins secreted by the Por secretion system.

    Keiko Sato;Hideharu Yukitake;Yuka Narita;Mikio Shoji

  • Cloning and sequencing of the gene encoding a novel lysine-specific cysteine proteinase (Lys-gingipain) in Porphyromonas gingivalis: structural relationship with the arginine-specific cysteine proteinase (Arg-gingipain).

    Kuniaki Okamoto;Tomoko Kadowaki;Koji Nakayama;Kenji Yamamoto

  • Identification of a New Membrane-associated Protein That Influences Transport/Maturation of Gingipains and Adhesins of Porphyromonas gingivalis

    Keiko Sato;Eiko Sakai;Paul D. Veith;Mikio Shoji

Frequent Co-Authors

Mikio Shoji
Mikio Shoji Hirosaki University
Kenji Yamamoto
Kenji Yamamoto Kyushu University
Mark J. McBride
Mark J. McBride University of Wisconsin–Milwaukee
Daniel Grenier
Daniel Grenier Université Laval
Katsumi Imada
Katsumi Imada Osaka University
Eric C. Reynolds
Eric C. Reynolds University of Melbourne
Fuminobu Yoshimura
Fuminobu Yoshimura Aichi Gakuin University
Jan Potempa
Jan Potempa University of Louisville
Tetsuya Hayashi
Tetsuya Hayashi Kyushu University
Masahira Hattori
Masahira Hattori Waseda University

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