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KAWAI Risa

■FacultyFaculty Division of Natural Sciences Research Group of Chemistry
■PositionAssistant Professor
Last Updated :2024/06/02

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Profile and Settings

  • Contact Point

    kawai-rcc.nara-wu.ac.jp

  • Name (Japanese)

    Kawai

  • Name (Kana)

    Risa

Degree

  • PhD in Science, Nara Women's University, Mar. 2020

Research Interests

  • Surfactant
  • Ionic liquid

Research Areas

  • Nanotechnology/Materials, Functional solid-state chemistry

Research Experience

  • Apr. 2024, 9999, National College of Technology, Suzuka College, Department of Materials Science and Engineering, 非常勤講師
  • Apr. 2024, 9999, Nara Women's University, 研究院自然科学系化学領域, 助教, Japan
  • Apr. 2020, 9999, Nara Women's University, Institute for YAMATO and Kii-peninsula studies, 協力研究員, Japan
  • Apr. 2023, Mar. 2024, National Institute of Technology (KOSEN), Suzuka College, Department of Materials Science and Engineering, Senior assistant professor
  • Apr. 2020, Mar. 2023, National Institute of Techology (KOSEN), Suzuka College, Department of Materials Science and Engineering, 助教, Japan

Education

  • Apr. 2017, Mar. 2020, Nara Women's University, Graduate School of Humanities and Sciences, School of Natural Science and Ecological Awareness
  • Apr. 2015, Mar. 2017, Nara Women's University, Graduate School of Humanities and Sciences, Department of Chemistry, Japan
  • Apr. 2011, Mar. 2015, Nara Women's University, Faculty of Science, Department of Chemistry, Japan

Teaching Experience

  • Instrumental Analysis for Materials, National Institute of Technology (KOSEN), Suzuka College, Sep. 2020, 9999
  • Organic Chemistry, National Institute of Technology (KOSEN), Suzuka College, Apr. 2020, 9999
  • Organic industrial chemistry, Suzuka National College of Technology, Oct. 2023, Mar. 2024
  • Graduation research, National Institute of Technology (KOSEN), Suzuka College, Oct. 2020, Mar. 2024
  • Practice of Metalwork, National Institute of Technology (KOSEN), Suzuka College, Sep. 2020, Mar. 2024
  • Creative Engineering, National Institute of Technology (KOSEN), Suzuka College, Sep. 2020, Mar. 2024
  • Experiments in Materials Engineering, National Institute of Technology (KOSEN), Suzuka College, Apr. 2020, Mar. 2024
  • Introduction to Materials Engineering, Suzuka National College of Technology, Apr. 2020, Mar. 2024
  • Polymer Properties, National Institute of Technology (KOSEN), Suzuka College, Oct. 2022, Mar. 2023
  • Information Processing, National Institute of Technology (KOSEN), Suzuka College, Oct. 2021, Mar. 2022
  • Organic Materials, National Institute of Technology (KOSEN), Suzuka College, Sep. 2021, Mar. 2022
  • Basic Experiments in Materials, National Institute of Technology (KOSEN), Suzuka College, Apr. 2020, Mar. 2021
  • Analytical Chemistry, National Institute of Technology (KOSEN), Suzuka College, Apr. 2020, Mar. 2021

Ⅱ．研究活動実績

Published Papers

  • Materials, MDPI AG, AC Electromagnetic Field Controls the Biofilms on the Glass Surface by Escherichia coli & Staphylococcus epidermidis Inhibition Effect, Natsu Aoyama; Hideyuki Kanematsu; Dana M. Barry; Hidekazu Miura; Akiko Ogawa; Takeshi Kogo; Risa Kawai; Takeshi Hagio; Nobumitsu Hirai; Takehito Kato; Michiko Yoshitake; Ryoichi Ichino, Biofilms, mainly comprised of bacteria, form on materials’ surfaces due to bacterial activity. They are generally composed of water, extracellular polymeric substances (polysaccharides, proteins, nucleic acids, and lipids), and bacteria. Some bacteria that form biofilms cause periodontal disease, corrosion of the metal materials that make up drains, and slippage. Inside of a biofilm is an environment conducive to the growth and propagation of bacteria. Problems with biofilms include the inability of disinfectants and antibiotics to act on them. Therefore, we have investigated the potential application of alternating electromagnetic fields for biofilm control. We obtained exciting results using various materials’ specimens and frequency conditions. Through these studies, we gradually understood that the combination of the type of bacteria, the kind of material, and the application of an electromagnetic field with various low frequencies (4 kHz–12 kHz) changes the circumstances of the onset of the biofilm suppression effect. In this study, relatively high frequencies (20 and 30 kHz) were applied to biofilms caused by Escherichia coli (E. coli) and Staphylococcus epidermidis (S. epidermidis), and quantitative evaluation was performed using staining methods. The sample surfaces were analyzed by Raman spectroscopy using a Laser Raman spectrometer to confirm the presence of biofilms on the surface., 06 Nov. 2023, 16, 21, 7051, 7051, Scientific journal, 10.3390/ma16217051
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  • Refereed, Colloids and Surfaces A: Physicochemical and Engineering Aspects, Elsevier BV, Surface adsorption and bulk properties of polyoxyethylene–polyoxypropylene random copolymer-type double-chained surfactants in quaternary-ammonium-salt-type amphiphilic gemini ionic liquids, Risa Kawai; Maiko Niki; Shiho Yada; Tomokazu Yoshimura, 05 Feb. 2023, 658, 130644, 130644, Scientific journal, 10.1016/j.colsurfa.2022.130644
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  • Materials, MDPI AG, Quantitative Analyses of Biofilm by Using Crystal Violet Staining and Optical Reflection, Ryuto Kamimura; Hideyuki Kanematsu; Akiko Ogawa; Takeshi Kogo; Hidekazu Miura; Risa Kawai; Nobumitsu Hirai; Takehito Kato; Michiko Yoshitake; Dana M. Barry, Biofilms have caused many problems, not only in the industrial fields, but also in our daily lives. Therefore, it is important for us to control them by evaluating them properly. There are many instrumental analytical methods available for evaluating formed biofilm qualitatively. These methods include the use of Raman spectroscopy and various microscopes (optical microscopes, confocal laser microscopes, scanning electron microscopes, transmission electron microscopes, atomic force microscopes, etc.). On the other hand, there are some biological methods, such as staining, gene analyses, etc. From the practical viewpoint, staining methods seem to be the best due to various reasons. Therefore, we focused on the staining method that used a crystal violet solution. In the previous study, we devised an evaluation process for biofilms using a color meter to analyze the various staining situations. However, this method was complicated and expensive for practical engineers. For this experiment, we investigated the process of using regular photos that were quantified without any instruments except for digitized cameras. Digitized cameras were used to compare the results. As a result, we confirmed that the absolute values were different for both cases, respectively. However, the tendency of changes was the same. Therefore, we plan to utilize the changes before and after biofilm formation as indicators for the future., 28 Sep. 2022, 15, 19, 6727, 6727, Scientific journal, 10.3390/ma15196727
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  • Refereed, Transactions of the IMF, Informa UK Limited, Biofilms formed on metallic materials by E. coli and S. epidermidis and their evaluation by crystal violet staining and its reflection, M. Takayanagi; H. Kanematsu; H. Miura; T. Kogo; R. Kawai; A. Ogawa; N. Hirai; T. Kato; M. Yoshitake; T. Tanaka; D. M. Barry, 04 Jul. 2022, 100, 4, 200, 207, Scientific journal, 10.1080/00202967.2022.2066830
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  • Refereed, Materials, MDPI AG, Proposal for Some Affordable Laboratory Biofilm Reactors and Their Critical Evaluations from Practical Viewpoints, Hikonaru Kudara; Hideyuki Kanematsu; Dana M. Barry; Akiko Ogawa; Takeshi Kogo; Hidekazu Miura; Risa Kawai; Nobumitsu Hirai; Takehito Kato; Michiko Yoshitake, Biofilms are a result of bacterial activities and are found everywhere. They often form on metal surfaces and on the surfaces of polymeric compounds. Biofilms are sticky and mostly consist of water. They have a strong resistance to antimicrobial agents and can cause serious problems for modern medicine and industry. Biofilms are composed of extracellular polymeric substances (EPS) such as polysaccharides produced from bacterial cells and are dominated by water at the initial stage. In a series of experiments, using Escherichia coli, we developed three types of laboratory biofilm reactors (LBR) to simulate biofilm formation. For the first trial, we used a rotary type of biofilm reactor for stirring. For the next trial, we tried another rotary type of reactor where the circular plate holding specimens was rotated. Finally, a circular laboratory biofilm reactor was used. Biofilms were evaluated by using a crystal violet staining method and by using Raman spectroscopy. Additionally, they were compared to each other from the practical (industrial) viewpoints. The third type was the best to form biofilms in a short period. However, the first and second were better from the viewpoint of “ease of use”. All of these have their own advantages and disadvantages, respectively. Therefore, they should be properly selected and used for specific and appropriate purposes in the future., 04 Jul. 2022, 15, 13, 4691, 4691, Scientific journal, 10.3390/ma15134691
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  • Refereed, Antimicrobial and Antiviral Materials - Polymers, Metals, Ceramics, and Applications, CRC Press (Taylor Francis), Biofilms and Materials' Infectivity, Hideyuki Kanematsu; Dana M. Barry; Risa Kawai; Takeshi Kogo; Akiko Ogawa; Paul McGrath; Toshihiro Tanaka, Infection has attracted global concern, since the pandemic caused by COVID-19 occurred at the end of 2019. Infection is generally defined as the phenomenon that microorganisms and viruses as pathogens attach to cell surfaces and enter organisms, which serve as their hosts. However, infection is not restricted to the phenomenon where bacteria and viruses move from human to human. For example, in the case of COVID-19, viruses seem to move from human to human through materials. If this is true for other infections, then the role of materials, the force between materials and microorganisms/viruses, and their attachments must be studied in detail. In this chapter, we focus on bacteria and viruses, and discuss their structures, the general mechanisms of infection in humans, and the interaction with materials' surfaces. When we discuss the interaction between materials’ surfaces and microorganisms/viruses, biofilms must be mentioned. They are produced by bacterial activities and appear as unique structures on materials’ surfaces [1-8]. Biofilms are mainly composed of water, proteins, nucleic acids (DNA and RNA), and lipids at the initial stage. They cause materials’ surfaces to be sticky and a “hot bed" for bacteria resisting biocides, antibiotics, etc. Biofilms seem to play an important role for infections spread from human to human. They are strongly related to materials too. In this chapter, an outline is provided about biofilms in terms of infectivity of materials, the appropriate quantitative evaluation methods, and potential countermeasures from the viewpoint of materials science., May 2022, 47, 66, In book, True, True, 10.1201/9781003143093
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  • Refereed, Antimicrobial and Antiviral Materials - Polymers, Metals, Ceramics, and Applications, CRC Press (Taylor Francis), antibacterial Ceramics: The Past, Present, and Future, Hideyuki Kanematsu; Dana M. Barry; Risa Kawai; Takeshi Kogo; Akiko Ogawa; Paul McGrath; Toshihiro Tanaka, In this chapter paper, we focus on ceramic materials. Mechanisms for the antibacterial effect by ceramics are discussed and some concrete examples of antibacterial ceramics are mentioned., May 2022, 85, 102, In book, True, True, 10.1201/9781003143093
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  • Refereed, Handbook of Nanocelluloses - Classification, Properties, Fabrication, and Emerging Applications ed.Ahmed Barhaum, Springer Nature, Nanocellulose for Antibacterial, Anti-biofouling Applications: To Antiviral Development in the Future, Hideyuki Kanematsu; Dana M. Barry; Ryo Satoh; Risa Kawai; Paul McGrath, Nanocellulose is produced from natural resources, such as plants and bacteria, by using artificial mechanical and chemical processes. Since it is made from natural resources, nanocellulose is environmentally friendly, biocompatible, and biodegradable and has low toxicity. In addition, it has high mechanical strength and elasticity and many other attractive properties for a variety of applications. However, it doesn’t have inherent antifouling properties. In this chapter, we analyze nanocellulose materials from the viewpoint of antifouling properties. We discuss the fundamental aspects needed for the analyses and introduce the concepts of antibacterial and antifouling properties. Then, some specific cases are provided. Finally, the antiviral property for nanocellulose materials is proposed for future investigations., Feb. 2022, 1, 1, 1, 14, Scientific journal, True, True, 10.1007/978-3-030-62976-2_20-1#DOI
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  • Refereed, Langmuir, American Chemical Society (ACS), Adsorption and Aggregation Behavior of Mixtures of Quaternary-Ammonium-Salt-Type Amphiphilic Compounds with Fluorinated Counterions and Surfactants, Risa Kawai; Shiho Yada; Tomokazu Yoshimura, 28 Sep. 2021, 37, 38, 11330, 11337, Scientific journal, 10.1021/acs.langmuir.1c01912
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  • Refereed, Journal of Molecular Liquids, Elsevier BV, Layer Structure of Quaternary-Ammonium-Salt-Type Amphiphilic Gemini and Trimeric Ionic Liquids, Risa Kawai; Shiho Yada; Tomokazu Yoshimura, 15 Aug. 2021, 336, 116459, Scientific journal, 10.1016/j.molliq.2021.116459
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  • Refereed, Proceedings of the 3rd J-PARC Symposium (J-PARC2019), Journal of the Physical Society of Japan, Rheo-SANS Study on Shear Thinning Behavior of Cationic Gemini Surfactant (12–2–12) in Salt-free Solution, Hiroki Iwase; Risa Kawai; Tomokazu Yoshimura; Shin-ichi Takata, 26 Mar. 2021, 33, 01107878, International conference proceedings, 10.7566/jpscp.33.011078
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  • Refereed, Molecules, {MDPI} {AG}, Surface Adsorption Properties and Layer Structures of Homogeneous Polyoxyethylene-Type Nonionic Surfactants in Quaternary-Ammonium-Salt-Type Amphiphilic Gemini Ionic Liquids with Oxygen- or Nitrogen-Containing Spacers, Risa Kawai; Maiko Niki; Shiho Yada; Tomokazu Yoshimura, 22 Oct. 2020, 25, 21, 4881, 4881, Scientific journal, 10.3390/molecules25214881
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  • Refereed, Colloids and Surfaces A: Physicochemical and Engineering Aspects, Elsevier BV, Physicochemical and Solution Properties of Quaternary-Ammonium- Salt-Type Amphiphilic Gemini Ionic Liquids with Spacers Containing Oxygen or Nitrogen, Risa Kawai; Maiko Niki; Shiho Yada; Tomokazu Yoshimura, 20 Oct. 2020, 603, 125218, 125218, Scientific journal, 10.1016/j.colsurfa.2020.125218
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  • Refereed, Langmuir, American Chemical Society (ACS), Surface Adsorption and Bulk Properties of Surfactants in Quaternary-Ammonium-Salt-Type Amphiphilic Monomeric and Gemini Ionic Liquids, Risa Kawai; Shiho Yada; Tomokazu Yoshimura, 19 May 2020, 36, 19, 5219, 5226, Scientific journal, 10.1021/acs.langmuir.0c00541
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  • Refereed, Journal of Molecular Liquids, Characterization and Solution Properties of Adamantane-Containing Quaternary-Ammonium-Salt-Type Amphiphilic Ionic Liquids, Risa KAWAI; Shiho YADA; Tomokazu YOSHIMURA, 15 Nov. 2019, 294, 111586, Scientific journal, 10.1016/j.molliq.2019.111586
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  • Refereed, Physical Chemistry Chemical Physics, Physicochemical and Solution Properties of Quaternary-Ammonium-Salt-Type Amphiphilic Trimeric Ionic Liquids, Risa KAWAI; Shiho YADA; Tomokazu YOSHIMURA, 07 Nov. 2019, 21, 45, 25065, 25071, Scientific journal
  • Refereed, ACS Omega, Characterization and Solution Properties of Quaternary-Ammonium-Salt-Type Amphiphlic Gemini Ionic Liquids, Risa KAWAI; Shiho YADA; Tomokazu YOSHIMURA, 03 Sep. 2019, 4, 10, 14242, 14250, Scientific journal, 10.1021/acsomega.9b01660
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  • Refereed, Journal of Colloid and Interface Science, Elsevier {BV}, Rheo-SANS Study on Relationship between Micellar Structures and Rheological Behavior of Cationic Gemini Surfactants in Solution, Hiroki Iwase; Risa Kawai; Ken Morishima; Shin-ichi Takata; Tomokazu Yoshimura; Mitsuhiro Shibayama, Hypothesis: Gemini surfactant 12-2-12 (dimethylene-1,2-bis(dodecyl dimethylammonium bromide)) solutions are known to show shear thickening and thinning under salt-free conditions. Because the rheological behavior of the wormlike micelles formed by 12-2-12 in solution is related to their structure, we expected that changes to the precursor structure would affect their rheological behaviors. It is also important to understand the effect of the introduction of a spacer group in the 12-2-12 molecules on the rheological behavior and structure of the wormlike micelles under shear flow.Experiments: Simultaneous small-angle neutron scattering and rheological measurements (Rheo-SANS) of the 12-2-12 solutions were performed. We exhaustively studied the structural changes in the wormlike micelles upon increasing shear rate.Findings: We found that the wormlike micelles were oriented in the direction of the flow due to elongation and that changes to the precursor of the wormlike micelles did not affect the shear thickening. As a precursor structural change of shear thinning, the wormlike micelles elongated while maintaining their orientation. We found that an increase in the molecular curvature of the 12-2-12 due to the introduction of a spacer-group contributed to the unusual rheological behaviors of the wormlike micelles in a solution under shear flow. (C) 2018 Elsevier Inc. All rights reserved., 07 Mar. 2019, 538, 357, 366, Scientific journal, 10.1016/j.jcis.2018.11.104
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MISC

  • Refereed, Accounts of Materials & Surface Research, Interfacial Adsorption and Layer Structure of Quaternary-Ammonium-Salt-Type Amphiphilic Ionic Liquids, Risa Kawai; Shiho Yada; Tomokazu Yoshimura, 25 Aug. 2022, 7, 3, 92, 102, Introduction scientific journal
  • Not Refereed, Colloid & Interface Communication (C & I Commun), Buk Behavior and Adsorption Properties at Air/Water Interface of Amphiphilic Ionic Liquids, Risa Kawai, 10 May 2022, 47, 2, 21, 24, Introduction scientific journal
  • Refereed, 日本材料科学会誌「材料の科学と工学」<特集>物質表面における抗菌技術, Biofouling on Materials’ Surfaces, the Effects and the Countermeasures, Hideyuki Kanematsu; Risa Kawai; Takeshi Kogo; Akiko Ogawa, Jun. 2021, 58, 3, 10, 14, Introduction scientific journal
  • 表面技術協会講演大会講演要旨集, CVDグラフェンの抗菌性・抗ウイルス性・抗バイオフィルム性の評価, 兼松秀行; 河合里紗; 橋本良介; 平井信充; 三浦英和; 石原正統; 伴雅人; 萩尾健史; 市野良一, 2021, 144th
  • Refereed, Japan Thermal Spray Society, Antibacterial, Antiviral and Antibiofilim Coatings, Hideyuki Kanematsu; Risa Kawai; Ryo Satoh, Oct. 2020, 57, 4, 183, 190, Introduction scientific journal
  • Not Refereed, ALUTOPIA (Kallos Publishing Co. Ltd), Antibacterial Materials and Biofilm - the Importance and Meaning 5, Hideyuki Kanematsu; Risa Kawai; Ryo Satoh, Apr. 2020, 51, 4, 9, 17, Introduction scientific journal
  • Refereed, Journal of the Japan Society of Colour Material, Japan Society of Colour Material, Quaternary-Ammonium-Salt-Type Amphiphilic Ionic Liquids, Risa KAWAI; Shiho YADA; Tomokazu YOSHIMURA, 20 Mar. 2020, 93, 3, 91, 98, Introduction scientific journal, 10.4011/shikizai.93.91
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  • 表面技術協会講演大会講演要旨集, 交流電磁場下での共鳴効果による感染抑制の可能性, 兼松秀行; 舘亮太; 岡田瑠奈; 三浦英和; 河合里紗; 黒飛紀美; 和田憲幸; 平井信充; 中村秀美, 2020, 142nd
  • Not Refereed, 月間ファインケミカル（シーエムシー出版）, Development of Quaternary Ammonium Salt-Type Amphiphilic Ionic Liquids, Risa KAWAI; Tomokazu TOSHIMURA, Sep. 2018, 47, 5, 13, Introduction commerce magazine

Presentations

  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura, 第13回イオン液体討論会, Monolayer Formation of Quaternary-Ammonium-Salt-Type Amphiphilic Gemini Ionic Liquids at the Air-Water Interface, 21 Nov. 2023, 21 Nov. 2023, 22 Nov. 2023
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura, The 74th Divisional Meeting of Division of Colloid and Surface Chemistry, Synthesis and Solution Properties of Cationic Gemini Surfactants Containing Amino Acids in Counterion, 12 Sep. 2023, 12 Sep. 2023, 14 Sep. 2023
  • Risa Kawai; Masashi Ohno; Toshinari Koda; Shiho Yada; Tomokazu Yoshimura, The 61st Annual Meeting of the Japan Oil Chemists' Society, Evaluation of Wettability of Polyoxyethylene-Type Nonionic Surfactants with Multi-Branched Chains at Solid/Liquid Interface, 07 Sep. 2023, 08 Sep. 2023, 09 Sep. 2023
  • Risa Kawai; Maiko Niki; Shiho Yada; Tomokazu Yoshimura, The 37rd Conference of the European Colloid and Interface Society (ECIS 2023), Surface Adsorption and Bulk Properties of Polyoxyethylene–Polyoxypropylene Random Copolymer-Type Double-Chained Surfactants in Quaternary-Ammonium-Salt-Type Amphiphilic Gemini Ionic Liquids, 05 Sep. 2023, 03 Sep. 2023, 08 Sep. 2023
  • Risa Kawai, 日本油化学会若手の会 サマースクール, Surface Adsorption and Bulk Properties of Amphiphilic Ionic Liquids, 28 Aug. 2023, 28 Aug. 2023, 29 Aug. 2023
  • Risa Kawai, 11th Asian Network for Natural and Unnatural Materials (ANNUM XI), Surface Adsorption and Solution Properties of Mixtures of Quaternary-Ammonium-Salt-Type Amphiphilic Ionic Liquids and Surfactants, 04 Jul. 2023, 03 Jul. 2023, 07 Jul. 2023
  • Risa Kawai; Junsei Yahata; Shiho Yada; Tomokazu Yoshimura, 103rd CSJ Annual Meeting (Nenkai), Solution Properties of Quaternary-Ammonium-Salt-Type Gemini Surfactants Containing Amino Acid as Counterion, 24 Mar. 2023, 22 Mar. 2023, 25 Mar. 2023
  • Keisuke Suzaki; Yudai Nakamura; Risa Kawai; Hideyuki Kanematsu; Tsukasa morita; Shiho Yada; Tomokazu Yoshimura, 103, Contact Angle and Antibacterial Properties of Quaternary-Ammonium-Salt-Type Gemini and Trimeric Surfactants, 22 Mar. 2023, 22 Mar. 2023, 25 Mar. 2023
  • Junsei Yahata; Risa Kawai; Hideyuki Kanematsu; Shiho Yada; Tomokazu Yoshimura, 103rd CSJ Annual Meeting (Nenkai), Surface Adsorption and Antibacterial Properties of Cationic Gemini Surfactant Containing Amino Acid, 22 Mar. 2023, 22 Mar. 2023, 25 Mar. 2023
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura, 第12回イオン液体討論会, Surface Adsorption and Bulk Behavior of Polyoxyethylene-Polyoxypropylene Random Copolymer-Type Double-Chained Surfactants in Quaternary-Ammonium-Salt-Type Amphiphilic Gemini Ionic Liquids, 24 Nov. 2022, 24 Nov. 2022, 25 Nov. 2022
  • Shan Wang; Hiroki Iwase; Shinichi Takata; Risa Kawai; Shiho Yada; Tomokazu Yoshimura, The 73rd Divisional Meeting of Division of Colloid and Surface Chemistry, Aggregation Properties of Quaternary-Ammonium-Salt-type Gemini Amphiphile with Amino Acid in Counterion, 22 Sep. 2022, 20 Sep. 2022, 22 Sep. 2022
  • Moe Watanabe; Risa Kawai; Shiho Yada; Tomokazu Yoshimura, The 73rd Divisional Meeting of Division of Colloid and Surface Chemistry, Synthesis and Solution Properties of Benzalkonium-type Novel Gemini Surfactant, 22 Sep. 2022, 20 Sep. 2022, 22 Sep. 2022
  • Risa Kawai; Wang Shan; Shiho Yada; Tomokazu Yoshimura, The 73rd Divisional Meeting of Division of Colloid and Surface Chemistry, Synthesis and Solution Properties of Quaternary-Ammonium-Salt-Type Gemini Surfactants with Glycine in Counterion, 22 Sep. 2022, 20 Sep. 2022, 22 Sep. 2022
  • Risa Kawai, The 53rd Autumn Meeting, The Society of Chemical Engineers, Japan, Surface Adsorption and Bulk Properties of Quaternary-Ammonium-Salt-Type Amphiphilic Ionic Liquid, 14 Sep. 2022, 14 Sep. 2022, 16 Sep. 2022
  • Ai Okado; Risa Kawai; Shiho Yada; Tomokazu Yoshimura, 102nd CSJ Annual Meeting (Nenkai), Solution Properties of Quaternary-Ammonium-Salt-Type Gemini Surfactants Containing Amino Acid as Counterion, 24 Mar. 2022, 23 Mar. 2022, 26 Mar. 2022
  • Risa Kawai; Aya Furuichi; Hideyuki Kanematsu; Tsukasa Morita; Shiho Yada; Tomokazu Yoshimura, 102nd CSJ Annual Meeting (Nenkai), Surface Adsorption Behavior and Antibacterial Properties of Quaternary-Ammonium-Salt-Type Gemini and Trimeric Surfactants, 23 Mar. 2022, 23 Mar. 2022, 26 Mar. 2022
  • Risa Kawai, 奈良女子大学男女共同参画推進機構キャリア開発支援本部 ワークスタイルセミナー, Learning as a Science Researcher" - Education and Research at a National College of Technology, 18 Feb. 2022, 18 Feb. 2022, 18 Feb. 2022
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura, The 72nd Divisional Meeting of Division of Colloid and Surface Chemistry, Adsorption Behavior at Air/Water Interface and Aggregation Behavior in Solution for Mixtures of Quaternary-Ammonium-Salt-Type Amphiphilic Ionic Liquids and Surfactants, 15 Sep. 2021, 15 Sep. 2021, 17 Sep. 2021
  • Risa Kawai; Maiko Niki; Shiho Yada; Tomokazu Yoshimura, The 60th Annual Meeting of the Japan Oil Chemists' Society, Adsorption Behavior and Bulk Properties of Polyoxyethylene–Polyoxypropylene Copolymer Dialkyl Ether in Quaternary-Ammonium-Salt-Type Amphiphilic Gemini Ionic Liquids as a Solvent, 06 Sep. 2021, 06 Sep. 2021, 11 Sep. 2021
  • Mao Nakagawa; Risa Kawai; Atsushi Okada; Tohru Inaoka; Shiho Yada; Tomokazu Yoshimura, The 59th Annual Meeting of the Japan Oil Chemists' Society, Solution properties and phase behavior of polyoxyethylene secondary alkyl ether surfactants, 02 Nov. 2020, 02 Nov. 2020, 07 Nov. 2020
  • ShihoYada; Rino Ohara; Risa Kawai; Yasuhiro Ohno; Takeshi Matsumoto; Tsutomu Hosoya; Tomokazu Yoshimura, The 59th Annual Meeting of the Japan Oil Chemists' Society, Effect of Polymer Structure on Solution Properties of Mixture of Anionic Surfactant LAS and Polymer, 02 Nov. 2020, 02 Nov. 2020, 07 Nov. 2020
  • Risa Kawai; Maiko Niki; Shiho Yada; Tomokazu Yoshimura, The 59th Annual Meeting of the Japan Oil Chemists' Society, Solution and Bulk Properties of Quaternary-Ammonium-Salt-Type Amphiphilic Gemini Ionic Liquids with Spacers Containing Oxygen or Nitrogen, 02 Nov. 2020, 02 Nov. 2020, 07 Nov. 2020
  • Risa Kawai; Shho Yada; Tomokazu Yoshimura, The 71st Divisional Meeting of Division of Colloid and Surface Chemistry, Bulk Properties of Nonionic Surfactants in Quaternary-Ammonium-Salt-Type Amphiphilic Gemini Ionic Liquids with Different Alkyl Chains, 14 Sep. 2020, 14 Sep. 2020, 16 Sep. 2020
  • Mao Nakagawa; Risa Kawai; Atsushi Okada; Toru Inaoka; Shiho Yada; Tomokazu Yoshimura, 日本化学会第100回春季年会, Interfacial Adsorption and Micelle Properties of Polyoxyethylene Type Double Chained Nonionic Surfactants, 23 Mar. 2020, 22 Mar. 2020, 25 Mar. 2020
  • Risa Kawai; Masashi Ohno; Toshinari Koda; Shiho Yada; Tomokazu Yoshimura, 100th CSJ Annual Meeting (Nenkai), Layer Structure of Quaternary-Ammonium-Salt-Type Amphiphilic Gemini Ionic Liquids, 23 Mar. 2020, 22 Mar. 2020, 25 Mar. 2020
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura, 第10回イオン液体討論会, Surface Adsorption and Bulk Properties for Two Component System of Quaternary-Ammonium-Salt-Type Amphiphilic Ionic Liquids and Three Component System with Water, 21 Nov. 2019, 21 Nov. 2019, 22 Nov. 2019
  • Risa Kawai; Maiko Niki; Shiho Yada; Tomokazu Yoshimura; Masashi Ohno; Toshinari Koda, OKINAWA COLLOIDS 2019: An International Conference on Colloid & Surface Science Celebrating the 70th Anniversary of the Divisional Meeting of Division of Colloid and Surface Chemistry, Surface Adsorption and Layer Structure of Mixed System of Quaternary-Ammonium-Salt-Type Amphiphilic Gemini Ionic Liquid and Homogeneous Polyoxyethylene-Type Nonionic Surfactant, 06 Nov. 2019, 03 Nov. 2019, 09 Nov. 2019
  • Hiroki Iwase; Risa Kawai; Tomokazu Yoshimura, OKINAWA COLLOIDS 2019: An International Conference on Colloid & Surface Science Celebrating the 70th Anniversary of the Divisional Meeting of Division of Colloid and Surface Chemistry, Rheo-SANS Study on Rheological Behavior Observed in Cationic Gemini-Type Surfactant Solution, 06 Nov. 2019, 03 Nov. 2019, 08 Nov. 2019
  • Risa Kawai; Maiko Niki; Shiho Yada; Tomokazu Yoshimura, OKINAWA COLLOIDS 2019: An International Conference on Colloid & Surface Science Celebrating the 70th Anniversary of the Divisional Meeting of Division of Colloid and Surface Chemistry, Characterization of Amphiphilic Gemini Ionic Liquids Having Various Spacers and Their Properties with Nonionic Surfactants, 06 Nov. 2019, 03 Nov. 2019, 08 Nov. 2019
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura, The 58th Annual Meeting of the Japan Oil Chemists' Society, Interfacial Adsorption and Aggregation Behavior for Three Component System of Quaternary Ammonium Salt-Type Amphiphilic Ionic Liquid / Surfactant / Water, 26 Sep. 2019, 24 Sep. 2019, 26 Sep. 2019
  • Risa Kawai; Mao Nakagawa; Shiho Yada; Tomokazu Yoshimura; Atsushi Okada; Toru Inaoka, The 58th Annual Meeting of the Japan Oil Chemists' Society, Determining the wettability at Solid Surface by Polyoxyethylene Type Double Chained Nonionic Surfactants, 26 Sep. 2019, 24 Sep. 2019, 26 Sep. 2019
  • Risa Kawai; Maiko Niki; Shiho Yada; Tomokazu Yoshimura, The 33rd Conference of the European Colloid and Interface Society (ECIS 2019), Characterization of Quaternary-Ammonium-Salt-Type Amphiphilic Gemini Ionic Liquids with Various Spacer Structures, 10 Sep. 2019, 08 Sep. 2019, 13 Sep. 2019
  • Risa Kawai; Mao Nakagawa; Shiho Yada; Tomokazu Yoshimura; Atsushi Okada; Toru Inaoka, The 33rd Conference of the European Colloid and Interface Society (ECIS 2019), Solution Properties of Polyoxyethylene Type Double Chained Nonionic Surfactants, 09 Sep. 2019, 08 Sep. 2019, 13 Sep. 2019
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura, 第37回関西界面科学セミナー, Development of Quaternary-Ammonium-Salt-Type Amphiphilic Ionic Liquids with Various Structures, 20 Jul. 2019, 20 Jul. 2019, 20 Jul. 2019
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura; Atsushi Okada; Toru Inaoka, The 68th Annual Meeting of Polymer Society of Japan, Aggregation Properties of Polyoxyethylene Type Double Chained Nonionic Surfactants in Aqueous Solution, 29 May 2019, 29 May 2019, 31 May 2019
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura; Atsushi Okada; Toru Inaoka, 日本化学会第99回春季年会, Solution Properties of Polyoxyethylene Type Double Chained Nonionic Surfactants, 17 Mar. 2019, 16 Mar. 2019, 19 Mar. 2019
  • Maiko Niki; Risa Kawai; Shiho Yada; Tomokazu Yoshimura; Masaki Murai; Koji Sekiguchi, 第9回イオン液体討論会, Surface Adsorption and Layer Structure of Polyoxyethylene-Polyoxypropylene Copolymer Dialkyl Ether in Quaternary Ammonium Salt-Type Gemini Ionic Liquids, 30 Oct. 2018, 29 Oct. 2018, 30 Oct. 2018
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura, 第9回イオン液体討論会, Development of Quaternary Ammonium Salt-Type Novel Amphiphilic Ionic Liquids with Various Structure, 30 Oct. 2018, 29 Oct. 2018, 30 Oct. 2018
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura; Satoru Hashimoto; Toshiyuki Suzuki, The 69th Divisional Meeting on Colloid and Interface Chemistry, Properties of Quaternary Ammonium Salt-Type Ionic Liquid with Adamantane, and Surface Adsorption and Aggregation Behavior of Nonionic Surfactant in Ionic Liquid, 20 Sep. 2018, 18 Sep. 2018, 20 Sep. 2018
  • Maiko Niki; Risa Kawai; Shiho Yada; Tomokazu Yoshimura; Satoru Hashimoto; Toshiyuki Suzuki, The 69th Divisional Meeting on Colloid and Interface Chemistry, Surface Adsorption and Aggregation Behavior for Two Component System of Quaternary Ammonium Salt-Type Amphiphilic Gemini Ionic Liquid and Homogeneous Polyoxyethylene-Polyoxypropylene-Type Nonionic Surfactant, 18 Sep. 2018, 18 Sep. 2018, 20 Sep. 2018
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura; Satoru Hashimoto; Toshiyuki Suzuki, The 69th Divisional Meeting on Colloid & Interface Chemistry, Surface Adsorption and Aggregation Behavior for Two Components of Quaternary Ammonium Salt-Type Amphiphilic Ionic Liquid and Surfactant and Three Components Containing Water, 18 Sep. 2018, 18 Sep. 2018, 20 Sep. 2018
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura; Satoru Hashimoto; Toshiyuki Suzuki, The 57th Annual Meeting of the Japan Oil Chemists' Society, Surface Adsorption Behavior for Quaternary Ammonium Salt-Type Ionic Liquid and Surfactant Mixed Solution System, 06 Sep. 2018, 04 Sep. 2018, 06 Sep. 2018
  • Risa Kawai Shiho Yada; Tomokazu Yoshimura; Satoru Hashimoto; Toshiyuki Suzuki, 8th International Colloids Conference, Properties of Quaternary Ammonium Salt-Type Gemini Ionic Liquids and Surface Adsorption Behavior of Polyoxyethylene-Type Nonionic Surfactant in Ionic Liquid, 10 Jun. 2018, 10 Jun. 2018, 13 Jun. 2018
  • Risa Kawai; Tomokazu Yoshimura, IUPAC Workshop Advances in Analytical Chemistry II, Properties of Quaternary Ammonium Salt-Type Ionic Liquids with Adamantyl Group, 27 Apr. 2018, 27 Apr. 2018, 27 Apr. 2018
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura; Satoru Hashimoto; Toshiyuki Suzuki, 98th CSJ Annual Meeting (Nenkai), Development of Quaternary Ammonium Salt-Type Novel Ionic Liquids and Properties of Surfactants in Ionic Liquids, 20 Mar. 2018, 23 Mar. 2018, 23 Mar. 2018
  • Maiko Niki; Risa Kawai; Shiho Yada; Tomokazu Yoshimura; Satoru Hashimoto; Toshiyuki Suzuki, 98th CSJ Annual Meeting (Nenkai), Surface-Active Properties of Homogeneous Polyoxyethylene-Type Nonionic Surfactants in Quaternary Ammonium Salt-Type Gemini Ionic Liquids, 20 Mar. 2018, 20 Mar. 2018, 23 Mar. 2018
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura; Satoru Hashimoto; Toshiyuki Suzuki, 98th CSJ Annual Meeting (Nenkai), Surface Adsorption Behavior of Ionic Liquid and Surfactant in Three Components of Quaternary Ammonium Salt-Type Ionic Liquid / Surfactant / Water, 20 Mar. 2018, 20 Mar. 2018, 23 Mar. 2018
  • Maiko Niki; Risa Kawai; Shiho Yada; Tomokazu Yoshimura; Satoru Hashimoto; Toshiyuki Suzuki, 第8回イオン液体討論会, Behavior of Homogeneous Polyoxyethylene-Type Nonionic Surfactants in Quaternary Ammonium Salt-Type Gemini Ionic Liquids with Various Spacers, 24 Nov. 2017, 23 Nov. 2017, 24 Nov. 2017
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura; Satoru Hashimoto; Toshiyuki Suzuki, 第8回イオン液体討論会, Surface Adsorption Behavior for Three Components of Quaternary Ammonium Salt-Type Ionic Liquid / Surfactant / Water, 24 Nov. 2017, 23 Nov. 2017, 24 Nov. 2017
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura; Satoru Hashimoto; Toshiyuki Suzuki, 8th International Symposium on Surface Science (ISSS-8), Surface Adsorption Behavior of Nonionic and Ionic Surfactants in Quaternary Ammonium Salt-type Ionic Liquids, 23 Oct. 2017, 22 Oct. 2017, 26 Oct. 2017
  • Maiko Niki; Risa Kawai; Tomokazu Yoshimura, The 56th Annual Meeting of the Japan Oil Chemists' Society, Characteristics of Quaternary Ammonium Salt-Type Gemini Ionic Liquids Using Various Ethyleneamine Derivatives as Spacer and Their Properties in Aqueous Solution, 13 Sep. 2017, 11 Sep. 2017, 13 Sep. 2017
  • Risa Kawai; Tomokazu Yoshimura, The 56th Annual Meeting of the Japan Oil Chemists' Society, Synthesis and Properties of Quaternary Ammonium Salt-Type Trimeric Amphiphilic Ionic Liquids, and Their Surface-Active Properties in Aqueous Solution, 11 Sep. 2017, 11 Sep. 2017, 13 Sep. 2017
  • Maiko Niki; Risa Kawai; Shiho Yada; Tomokazu Yoshimura, The 68th Divisional Meeting on Colloid and Interface Chemistry, Properties of Homogeneous Polyoxyethylene-Type Nonionic Surfactant in Quaternary Ammonium Salt-Type Gemini Ionic Liquids with Various Spacers, 08 Sep. 2017, 06 Sep. 2017, 08 Sep. 2017
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura; Satoru Hashimoto; Toshiyuki Suzuki, The 68th Divisional Meeting on Colloid and Interface Chemistry, Surface Adsorption Behavior of Nonionic and Ionic Surfactants in Quaternary Ammonium Salt-Type Amphiphilic Ionic Liquid, 07 Sep. 2017, 06 Sep. 2017, 08 Sep. 2017
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura; Satoru Hashimoto; Toshiyuki Suzuki, The 97th Spring Annual Meeting of the Chemical Society of Japan, Unique Surface Adsorption Behavior of Nonionic Surfactant in Quaternary Ammonium Salt-type Ionic Liquid, 18 Mar. 2017, 16 Mar. 2017, 19 Mar. 2017
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura; Satoru Hashimoto; Suzuki Toshiyuki, The 97th Spring Annual Meeting of the Chemical Society of Japan, Development of Quaternary-Ammonium-Salt-Type Novel Amphiphilic Ionic Liquids, 16 Mar. 2017, 16 Mar. 2017, 19 Mar. 2017
  • Shiho Yada; Risa Kawai; Tomokazu Yoshimura; Satoru Hashimoto; Toshiyuki Suzuki, 第7回イオン液体討論会, Homogeneous Polyoxyethylene-Type Nonionic Surfactant in Quaternary Ammonium Salt-Type Novel Ionic Liquid : Nano-Structure by Small-Angle X-ray Scattering, 25 Oct. 2016, 24 Oct. 2016, 25 Oct. 2016
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura; Satoru Hashimoto; Toshiyuki Suzuki, 第7回イオン液体討論会, Homogeneous Polyoxyethylene-Type Nonionic Surfactant in Quaternary Ammonium Salt-Type Novel Ionic Liquid : Surface-Active Properties, 24 Oct. 2016, 24 Oct. 2016, 25 Oct. 2016
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura; Satoru Hashimoto; Toshiyuki Suzuki, The Annual Technical Meeting 2016 of the Japan Society of Colour Material, Characteristics of Quaternary Ammonium Salt-Type Ionic Liquids with Adamantyl Group and Properties of Nonionic Surfactants in the Ionic Liquids, 13 Oct. 2016, 13 Oct. 2016, 14 Oct. 2016
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura; Satoru Hashimoto; Toshiyuki Suzuki, The 67th Divisional Meeting of Division of Colloid and Surface Chemistry, Surface Properties of Homogeneous Polyoxyethylene-Type Nonionic Surfactant in Quaternary Ammonium Salt-Type Novel Ionic Liquid, 24 Sep. 2016, 22 Sep. 2016, 24 Sep. 2016
  • Maiko Niki; Risa Kawai; Tomokazu Yoshimura, The 55th Annual Meeting of the Japan Oil Chemists' Society, Synthesis and Properties of Gemini Ionic Liquids with Ethyleneamine Derivatives, 08 Sep. 2016, 07 Sep. 2016, 09 Sep. 2016
  • Risa Kawai; Tomokazu Yoshimura, The 55th Annual Meeting of the Japan Oil Chemists' Society, Synthesis and Properties of Quaternary Ammonium Salt-Type Gemini Ionic Liquids with Adamantyl Group, 07 Sep. 2016, 07 Sep. 2016, 09 Sep. 2016
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura; Satoru Hashimoto; Toshiyuki Suzuki, The 96th Spring Annual Meeting of the Chemical Society of Japan, Synthesis and Properties of Quaternary Ammonium Salt-type Gemini Ionic Liquids and Surface Active Properties of Homogeneous Nonionic Surfactant in the Ionic Liquid, 26 Mar. 2016, 24 Mar. 2016, 27 Mar. 2016
  • Risa Kawai; Shiho Yada; Tomokazu Yoshimura, 第6回イオン液体討論会, Synthesis and Properties of Quaternary Ammonium Salt-type Gemini Ionic Liquids and Their Surface Active Properties in Aqueous Solution, 27 Oct. 2015, 26 Oct. 2015, 27 Oct. 2015
  • Risa Kawai; Tomokazu Yoshimura, The 54th Annual Meeting of the Japan Oil Chemists' Society, Synthesis and Properties of Quaternary Ammonium Salt-type Gemini Ionic Liquids with Short Alkyl Chains, 08 Sep. 2015, 08 Sep. 2015, 10 Sep. 2015
  • Risa Kawai; Tomokazu Yoshimura, The 95th Spring Annual Meeting of the Chemical Society of Japan, Synthesis and Properties of Quaternary Ammonium Salt-Type Gemini Ionic Liquids, 27 Mar. 2015, 26 Mar. 2015, 29 Mar. 2015
  • Yasuharu Domoto; Risa Kawai; Shiho Yada; Tomokazu Yoshimura, The 104th Annual Spring Meeting of the Chemical Society of Japan, Monolayer Formation of Quaternary-Ammonium-Salt-Type Amphiphilic Gemini Ionic Liquids at Air/Water Interface, 20 Mar. 2024, 18 Mar. 2024, 21 Mar. 2024
  • Risa Kawai; Hideyuki Kanematsu; Shiho Yada; Tomokazu Yoshimura, The 104th Annual Spring Meeting of the Chemical Society of Japan, Wettability of Solid Surface and Antibacterial Properties of Cationic Gemini and Trimeric Surfactants, 20 Mar. 2024, 18 Mar. 2024, 21 Mar. 2024
  • Risa Kawai; Tomokazu Yoshimura, 奈良女子大学 大和・紀伊半島学研究所シンポジウム 共同研究成果発表会, Development of Benzalkonium-Type Surfactants with Amino Acid in Counterion, 22 Feb. 2024, 22 Feb. 2024, 22 Feb. 2024
  • Iria Ikeda; Akiko Ogawa; Takeshi Kogo; Risa Kawai; Hideyuki Kanematsu, 令和５年度表面技術若手研究者・技術者研究交流発表会, Evaluation of Antibiofilm Properties of Various Commercial Polymer Materials, 22 Dec. 2023, 22 Dec. 2023, 22 Dec. 2023
  • Nonoka Ikeda; Akiko Ogawa; Takeshi Kogo; Risa Kawai; Hideyuki Kanematsu, 令和５年度表面技術若手研究者・技術者研究交流発表会, Evaluation of Antibiofilm Properties of Ionic Liquids, 22 Dec. 2023, 22 Dec. 2023, 22 Dec. 2023
  • Risa Kawai, 溶射学会中部支部第 17 期 第 2 回溶射技術研究会, For the Development of Antibacterial and Anti-Biofilm Coatings, 22 Dec. 2023, 22 Dec. 2023, 22 Dec. 2023
  • Kota Shiomoto; Momoka Nishimura; Sato Haraguchi; Kanta Futamura; Kohei Watanabe; Risa Kawai, The 25th Student Presentation of the Society of Chemical Engineers, Japan, Preparation and Evaluation of Soaps Using Waste Rice Bran, 04 Mar. 2023, 04 Mar. 2023, 04 Mar. 2023

Awards

  • 令和元年度 学長賞, 奈良女子大学, Mar. 2020
  • 令和元年度 大学院人間文化研究科長賞, 奈良女子大学, Mar. 2020

Research Projects

  • Oct. 2021, Sep. 2023, Principal investigator, Development of Antibacterial and Antibiofilm Agents Using Quaternary-Ammonium-Salt-Type Gemini Ionic Liquid Polymers, Risa Kawai; Hideyuki Kanematsu, 公益財団法人泉科学技術振興財団, 2021年度研究助成
  • Oct. 2019, Oct. 2019, 2019B1782, Principal investigator, Structural Analysis of Aggregates of Quaternary-Ammonium-Salt-Type Novel Ionic Liquids, Risa Kawai; Tomokazu Yoshimura, Japan Synchrotron Radiation Research Institute, 大学院生提案型課題, Large Synchrotron Radiation Facility, SPring-8
  • Apr. 2024, Mar. 2027, Coinvestigator, Development of Novel Functional Ionic Liquid/Polymer Hybrid Membranes for Quasi-SEI to Realize Aqueous LIB, Hirohisa Yamada; Katsuhiko Tsunashima; Takashi Morinaga; Risa Kawai, 独立行政法人日本学術振興会, 令和6(2024)年度 基盤研究(B)
  • Apr. 2023, Mar. 2024, Principal investigator, Development of Novel Cationic Gemini Surfactants Friendly to Humans and the Environment, 河合里紗, 公益財団法人 東海産業技術振興財団, 2023年度単年度研究助成
  • Apr. 2022, Mar. 2023, Principal investigator, 次世代型カチオン界面活性剤を用いた抗菌メカニズムの解明, 河合里紗, 公益財団法人 池谷科学技術振興財団, 2022年度単年度研究助成
  • Apr. 2022, Mar. 2023, Principal investigator, Development of Low Toxicity Cationic Surfactants for Antibacterial and Antiviral Agents, 河合里紗, 公益財団法人 岡三加藤文化振興財団, 令和4年度（第35回）研究助成

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