Skip to main content

previous disabled Page of 2
and
  1. Article

    Open Access

    Combined adsorption and electrochemical oxidation of perfluorooctanoic acid (PFOA) using graphite intercalated compound

    Perfluorooctanoic acid (PFOA) is a bioaccumulative synthetic chemical containing strong C–F bonds and is one of the most common per- and polyfluoroalkyl substances (PFAS) detected in the environment. Graphite ...

    Antoine P. Trzcinski, Kouji Harada in Environmental Science and Pollution Research (2024)

  2. Article

    Open Access

    Kinetics of the ancestral carbon metabolism pathways in deep-branching bacteria and archaea

    The origin of life is believed to be chemoautotrophic, deriving all biomass components from carbon dioxide, and all energy from inorganic redox couples in the environment. The reductive tricarboxylic acid cycl...

    Tomonari Sumi, Kouji Harada in Communications Chemistry (2021)

  3. No Access

    Article

    A mathematical study on the effects of a combination of an immune checkpoint inhibitor and a mutagen for anti-HIV-1 therapy

    This study mathematically and computationally analyzes the effects of a combination of a chemical mutagen and an immune checkpoint inhibitor to develop an alternative anti-retroviral therapy. First, we address...

    Kouji Harada, Tomonari Sumi in Artificial Life and Robotics (2021)

  4. Article

    Open Access

    Mechanism underlying hippocampal long-term potentiation and depression based on competition between endocytosis and exocytosis of AMPA receptors

    N-methyl-D-aspartate (NMDA) receptor-dependent long-term potentiation (LTP) and long-term depression (LTD) of signal transmission form neural circuits and thus are thought to underlie learning and memory. Thes...

    Tomonari Sumi, Kouji Harada in Scientific Reports (2020)

  5. No Access

    Article

    A mathematical study for the development of anti-HIV-1 therapies based on the lethal mutagenesis method

    This study tried to mathematically unveil the difficulties associated with an anti-HIV therapy based on the lethal mutagenesis method; two difficulties were identified. The first difficulty of this method was ...

    Kouji Harada in Artificial Life and Robotics (2020)

  6. No Access

    Chapter

    A Theoretical Basis for an Acquired Immunodeficiency Syndrome Treatment by a Mutagenesis Approach

    The multidrug therapy for Acquired ImmunoDeficiency Syndrome (AIDS) is efficacious in suppressing viral load but it is an inappropriate treatment for AIDS patients suffering from side effects of anti-Human Imm...

    Kouji Harada in Knowledge-Based Information Systems in Practice (2015)

  7. No Access

    Article

    Emergence of observable rules in a spatial game system

    This study focuses on player’s strategies observed from outside our original spatial game iterated by players, each of which is placed in a lattice site on a two-dimensional square lattice. A particularity of ...

    Kouji Harada, Yoshiteru Ishida in Artificial Life and Robotics (2012)

  8. No Access

    Article

    Chronic kidney diseases of uncertain etiology (CKDue) in Sri Lanka: geographic distribution and environmental implications

    The increase in the number of chronic kidney disease (CKD) patients from the north central region of Sri Lanka has become a environmental health issue of national concern. Unlike in other countries where long-...

    Rohana Chandrajith, Shanika Nanayakkara in Environmental Geochemistry and Health (2011)

  9. No Access

    Chapter and Conference Paper

    Toward Elucidation of Longevity of Immunological Memory

    An interesting and substantial feature of the immune memory is its eventual loss, namely “longevity”. An extension of longevity is a significant issue for efficacy of vaccines. We have discussed possible mecha...

    Kouji Harada, Yoshiteru Ishida in Knowledge-Based and Intelligent Informatio… (2011)

  10. No Access

    Chapter and Conference Paper

    A Note on Dynamical Behaviors of a Spatial Game Operated on Intercrossed Rules

    The present study discusses a twist in hierarchical rules embedded in a spatial game system. In the typical spatial games, each player has its own strategy, and determines its action on the strategy; its actio...

    Kouji Harada, Yoshiteru Ishida in Knowledge-Based and Intelligent Informatio… (2010)

  11. No Access

    Article

    A time-dependent threshold condition to determine the onset of AIDS

    This study first considers the effects of “uninfectious” HIV-1 due to fatal mutations, and then analysis reveals that AIDS develops when the number of HIV-1 strains, i.e., antigenic diversity, is above a “time...

    Kouji Harada, Yoshiteru Ishida in Artificial Life and Robotics (2009)

  12. No Access

    Article

    A hub gene in an HIV-1 gene regulatory network is a promising target for anti-HIV-1 drugs

    The existing anti-HIV-1 drugs have troublesome problems with side-effects and the development of drug resistance, etc. To avoid these problems by using our knowledge of complex network analyses, this study exa...

    Kouji Harada, Yoshiteru Ishida in Artificial Life and Robotics (2009)

  13. No Access

    Chapter and Conference Paper

    A Network Approach for HIV-1 Drug Resistance Prevention

    In AIDS treatments, it is an imperative problem to reduce the risk of the drug resistance. The previous study discussed which HIV-1 gene products are an ideal drug target not to develop drug resistance by appl...

    Kouji Harada, Yoshiteru Ishida in Knowledge-Based and Intelligent Informatio… (2009)

  14. No Access

    Article

    Antibody-based computing

    An application of the antibody’s flexible recognition (i.e. multi-reactivity) to antigenic epitopes to a combinatorial computing is just getting started. The present study discusses an antibody-based computati...

    Kouji Harada, Yoshiteru Ishida in Artificial Life and Robotics (2008)

  15. No Access

    Chapter and Conference Paper

    Fatal Mutations in HIV Population as an Influential Factor for an Onset of AIDS

    It is well known that mutations occur at high rate at the replication of HIV genome. Mutations on the gene encoding requisite proteins for infection to host cells deprive ability to infect to them, thus such m...

    Kouji Harada, Yoshiteru Ishida in Knowledge-Based Intelligent Information an… (2008)

  16. No Access

    Chapter and Conference Paper

    Mutation Probability Threshold of HIV for AIDS

    As a theory on a deciding factor leading to AIDS, ”antigenic diversity threshold theory” has been offered by Nowak et al. This theory mentions AIDS develops when a number of mutant strains from a single HIV sw...

    Kouji Harada, Yoshiteru Ishida in Knowledge-Based Intelligent Information an… (2007)

  17. No Access

    Chapter and Conference Paper

    Tolerance Dependent on Timing/Amount of Antigen-Dose in an Asymmetric Idiotypic Network

    Physiological experiments demonstrate establishment of immunological tolerance is controlled by dose-timing and dose-amount of an antigen. My previous study reproduced the tolerance dependent on dose-timing of...

    Kouji Harada in Knowledge-Based Intelligent Information and Engineering Systems (2006)

  18. No Access

    Chapter and Conference Paper

    Emergence of Immune Memory and Tolerance in an Asymmetric Idiotype Network

    This study proposes an idiotype network model system adopted an “asymmetric” idiotype – anti-idiotypic interaction, and shows realizing immune tolerance as well as immune memory on a transient dynamics. To dat...

    Kouji Harada in Knowledge-Based Intelligent Information and Engineering Systems (2005)

  19. No Access

    Chapter and Conference Paper

    A Switching Memory Strategy in an Immune Network Model

    As an empirical knowledge on vaccination, it is known that immune memories against viral antigens (i.e., self-reproductive antigens) are sustained for a very long period more than 10 years, whereas against non...

    Kouji Harada in Knowledge-Based Intelligent Information and Engineering Systems (2004)

  20. No Access

    Chapter and Conference Paper

    Mechanism of a Transient but Long-Lasting Immune Memory Function on a Self/Non-Self Boundary

    Our previous study proposed an immune network model with evolving dynamics for antigen-specificity of a lymphocyte receptor, and obtained the following results: 1) the model revealed threshold dynamics to dete...

    Kouji Harada, Norio Shiratori in Knowledge-Based Intelligent Information an… (2003)

previous disabled Page of 2