All Stories

  1. Exploring the Influence of Morphology on Bipolaron–Polaron Ratios and Conductivity in Polypyrrole in the Presence of Surfactants

    Article • Molecules, March 2024, MDPI AG

    Dr Yukihiro Okamoto

  2. Preparation of Hydrophobic Monolithic Supermacroporous Cryogel Particles for the Separation of Stabilized Oil-in-Water Emulsion

    Article • Colloids and Interfaces, January 2023, MDPI AG

    Dr Yukihiro Okamoto

  3. Versatility of the Preparation Method for Macroporous Cryogel Particles Utilizing the Inverse Leidenfrost Effect

    Article • ACS Omega, December 2022, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  4. Revealed Properties of Various Self-Assemblies in Two Catanionic Surfactant Systems in Relation to Their Polarity and Molecular Packing State

    Article • Langmuir, November 2022, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  5. Micro Sponge Balls: Preparation and Characterization of Sponge-like Cryogel Particles of Poly(2-hydroxyethyl methacrylate) via the Inverse Leidenfrost Effect

    Article • ACS Applied Polymer Materials, September 2022, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  6. Characterization of entrapment behavior of polyphenols in nanostructured lipid carriers and its effect on their antioxidative activity

    Article • Journal of Bioscience and Bioengineering, September 2022, Elsevier

    Dr Yukihiro Okamoto

  7. Characterization of Phase Separated Planar Lipid Bilayer Membrane by Fluorescence Ratio Imaging and Scanning Probe Microscope

    Article • Membranes, August 2022, MDPI AG

    Dr Yukihiro Okamoto

  8. Dependence of the Core–Shell Structure on the Lipid Composition of Nanostructured Lipid Carriers: Implications for Drug Carrier Design

    Article • ACS Applied Nano Materials, July 2022, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  9. Insight into the Exosomal Membrane: From Viewpoints of Membrane Fluidity and Polarity

    Article • Langmuir, September 2021, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  10. Investigation of Quercetin interaction behaviors with lipid bilayers: Toward understanding its antioxidative effect within biomembrane

    Article • Journal of Bioscience and Bioengineering, July 2021, Elsevier

    Dr Yukihiro Okamoto

  11. Modulation of the Belousov–Zhabotinsky Reaction with Lipid Bilayers: Effects of Lipid Head Groups and Membrane Properties

    Article • Langmuir, May 2021, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  12. Systematic Characterization of Nanostructured Lipid Carriers from Cetyl Palmitate/Caprylic Triglyceride/Tween 80 Mixtures in an Aqueous Environment

    Article • Langmuir, April 2021, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  13. Structure and Properties Characterization of Amphiphilic Dendrons Modified Lipid Membrane

    Article • Chemistry Letters, January 2021, The Chemical Society of Japan

    Dr Yukihiro Okamoto

  14. Characterization of pH-Responsive Self-Assembly Behaviors of Fatty Acid-Functionalized Prodrug

    Article • Biochemical Engineering Journal, December 2020, Elsevier

    Dr Yukihiro Okamoto

  15. Changes Caused by Liposomes to the Belousov–Zhabotinsky Reaction

    Article • The Journal of Physical Chemistry B, October 2020, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  16. A novel method of vesicle preparation by simple dilution of bicelle solution

    Article • Biochemical Engineering Journal, October 2020, Elsevier

    Dr Yukihiro Okamoto

  17. Site Specific Analysis of Anionic Lipid by Membrane Surface-enhanced Raman Spectroscopy with Different Sized Gold Nanoparticles

    Article • Chemistry Letters, September 2020, The Chemical Society of Japan

    Dr Yukihiro Okamoto

  18. Enzymatic hydrolysis of cellulose recovered from ionic liquid-salt aqueous two-phase system

    Article • Journal of Bioscience and Bioengineering, May 2020, Elsevier

    Dr Yukihiro Okamoto

  19. Analytical Chemistry by Electrophoresis

    Article • Analytical Sciences, April 2020, Springer Science + Business Media

    Dr Yukihiro Okamoto

  20. Evaluation of Molecular Ordering in Bicelle Bilayer Membranes Based on Induced Circular Dichroism Spectra

    Article • Langmuir, March 2020, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  21. Separation Methods Utilizing Characteristics of Lipid Self-assembled Structures

    Article • BUNSEKI KAGAKU, September 2019, Japan Society for Analytical Chemistry

    Dr Yukihiro Okamoto

  22. Membrane Surface-Enhanced Raman Spectroscopy for Cholesterol-Modified Lipid Systems: Effect of Gold Nanoparticle Size

    Article • ACS Omega, August 2019, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  23. Characterization of Ionic Liquid Aqueous Two-Phase Systems: Phase Separation Behaviors and the Hydrophobicity Index between the Two Phases

    Article • The Journal of Physical Chemistry B, June 2019, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  24. Aggregation of chlorophyll a induced in self-assembled membranes composed of DMPC and DHPC

    Article • Colloids and Surfaces B Biointerfaces, March 2019, Elsevier

    Dr Yukihiro Okamoto

  25. Systematic Characterization of DMPC/DHPC Self-Assemblies and Their Phase Behaviors in Aqueous Solution

    Article • Colloids and Interfaces, December 2018, MDPI AG

    Dr Yukihiro Okamoto

  26. Liposome Membranes Assist the l-Proline-catalyzed Aldol Reaction of Acetone and p-Nitrobenzaldehyde in Water

    Article • Chemistry Letters, July 2018, The Chemical Society of Japan

    Dr Yukihiro Okamoto

  27. Design of Pyrene–Fatty Acid Conjugates for Real-Time Monitoring of Drug Delivery and Controllability of Drug Release

    Article • ACS Omega, March 2018, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  28. Characterization of DDAB/Cholesterol Vesicles and Its Comparison with Lipid/Cholesterol Vesicles

    Article • Journal of Nanoscience and Nanotechnology, March 2018, American Scientific Publishers

    Dr Yukihiro Okamoto

  29. Gel-Phase-like Ordered Membrane Properties Observed in Dispersed Oleic Acid/1-Oleoylglycerol Self-Assemblies: Systematic Characterization Using Raman Spectroscopy and a Laurdan Fluorescent Probe

    Article • Langmuir, January 2018, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  30. Development of Separation Sciences Utilizing the Specific Properties of Microscopic Separation Fields

    Article • Chromatography, January 2018, The Society for Chromatographic Sciences

    Dr Yukihiro Okamoto

  31. Development of Time-course Oxygen Binding Analysis for Hemoglobin-based Oxygen Carriers

    Article • Analytical Sciences, August 2017, Springer Science + Business Media

    Dr Yukihiro Okamoto

  32. Characterization of Liposome Membrane Containing Chlorophyll a Molecules and Its Photosensitized Functions

    Article • Journal of Nanoscience and Nanotechnology, July 2017, American Scientific Publishers

    Dr Yukihiro Okamoto

  33. Enantioselective C—C Bond Formation Enhanced by Self-Assembly of Achiral Surfactants

    Article • ACS Omega, April 2017, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  34. Multi-Level Characterization of the Membrane Properties of Resveratrol-Incorporated Liposomes

    Article • The Journal of Physical Chemistry B, April 2017, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  35. Preferential Adsorption of l-Histidine onto DOPC/Sphingomyelin/3β-[N-(N′,N′-dimethylaminoethane)carbamoyl]cholesterol Liposomes in the Presence of Chiral Organic Acids

    Article • Langmuir, April 2017, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  36. Induction of Chiral Recognition with Lipid Nanodomains Produced by Polymerization

    Article • Biomacromolecules, March 2017, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  37. Adsorption Behavior of Propranolol on Negatively-Charged Liposomes and Its Influence on Membrane Fluidity and Polarity

    Article • Journal of Nanoscience and Nanotechnology, March 2017, American Scientific Publishers

    Dr Yukihiro Okamoto

  38. Liposomes Can Achieve Enantioselective C–C Bond Formation of an α-Amino Acid Derivative in Aqueous Media

    Article • ACS Omega, January 2017, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  39. Characterization of Aqueous Oleic Acid/Oleate Dispersions by Fluorescent Probes and Raman Spectroscopy

    Article • Langmuir, July 2016, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  40. In Situ Cell Surface Modification for Surface-enhanced Raman Analysis of Cell Membrane

    Article • Chemistry Letters, June 2016, The Chemical Society of Japan

    Dr Yukihiro Okamoto

  41. Development of Easy, Harmless, and Energy-saving Water Cleanup Method Based on Self-flotation of Hollow Glass Beads Coated with Fatty Acids

    Article • Chemistry Letters, May 2016, The Chemical Society of Japan

    Dr Yukihiro Okamoto

  42. Chiral Selective Adsorption of Ibuprofen on a Liposome Membrane

    Article • The Journal of Physical Chemistry B, March 2016, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  43. Electrophoretic separation method for membrane pore forming proteins in multilayer lipid membranes

    Article • Electrophoresis, February 2016, Wiley

    Dr Yukihiro Okamoto

  44. High performance optical resolution with liposome immobilized hydrogel

    Article • Colloids and Surfaces B Biointerfaces, December 2015, Elsevier

    Dr Yukihiro Okamoto

  45. Investigation of Fatty Acid Ketohydrazone Modified Liposome’s Properties as a Drug Carrier

    Article • Journal of Drug Delivery, November 2015, Hindawi Publishing Corporation

    Dr Yukihiro Okamoto

  46. Homochiral oligomerization of L-histidine in the presence of liposome membranes

    Article • Colloid & Polymer Science, September 2015, Springer Science + Business Media

    Dr Yukihiro Okamoto

  47. Membrane Surface-Enhanced Raman Spectroscopy for Sensitive Detection of Molecular Behavior of Lipid Assemblies

    Article • Analytical Chemistry, April 2015, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  48. Development of a Micro RNA Extraction Chip from Human Tumor Cells

    Article • BUNSEKI KAGAKU, January 2015, Japan Society for Analytical Chemistry

    Dr Yukihiro Okamoto

  49. Carbon nanowall scaffold to control culturing of cervical cancer cells

    Article • Applied Physics Letters, December 2014, American Institute of Physics

    Dr Yukihiro Okamoto

  50. Systematical Characterization of Phase Behaviors and Membrane Properties of Fatty Acid/Didecyldimethylammonium Bromide Vesicles

    Article • Langmuir, October 2014, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  51. Adipose Tissue-Derived Stem Cell Imaging Using Cadmium-Free Quantum Dots

    Article • Cell Medicine, October 2013, SAGE Publications

    Dr Yukihiro Okamoto

  52. High speed DNA denaturation using microheating devices

    Article • Applied Physics Letters, July 2013, American Institute of Physics

    Dr Yukihiro Okamoto

  53. Nanopillar array chip integrated with on-line stacking for fast DNA separation with high sensitivity and high resolution

    Article • Microfluidics and Nanofluidics, December 2012, Springer Science + Business Media

    Dr Yukihiro Okamoto

  54. Inkjet Injection of DNA Droplets for Microchannel Array Electrophoresis

    Article • Analytical Chemistry, October 2012, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  55. Fabrication of Functionalized Double-Lamellar Multifunctional Envelope-Type Nanodevices Using a Microfluidic Chip with a Chaotic Mixer Array

    Article • PLoS ONE, June 2012, PLOS

    Dr Yukihiro Okamoto

  56. Monitoring transplanted adipose tissue-derived stem cells combined with heparin in the liver by fluorescence imaging using quantum dots

    Article • Biomaterials, March 2012, Elsevier

    Yoshitaka Miyamoto, Dr Yukihiro Okamoto

  57. Aqueous Phase Synthesized CdSe Magic-Sized Clusters: Solution Composition Dependence of Adsorption Layer Structure

    Article • Journal of Nanoscience and Nanotechnology, January 2012, American Scientific Publishers

    Dr Yukihiro Okamoto

  58. Confocal Microscopic Evaluation of Mixing Performance for Three-Dimensional Microfluidic Mixer

    Article • Analytical Sciences, January 2012, Springer Science + Business Media

    Dr Yukihiro Okamoto

  59. Characterization of low viscosity polymer solutions for microchip electrophoresis of non-denatured proteins on plastic chips

    Article • Biomicrofluidics, December 2011, American Institute of Physics

    Dr Yukihiro Okamoto

  60. Rapid qualitative evaluation of DNA transcription factor NF-κB by microchip electrophoretic mobility shift assay in mammalian cells

    Article • Electrophoresis, November 2011, Wiley

    Dr Yukihiro Okamoto

  61. Estimation of the Distribution of Intravenously Injected Adipose Tissue-Derived Stem Cells Labeled with Quantum Dots in Mice Organs through the Determination of their Metallic Components by ICPMS

    Article • Analytical Chemistry, October 2011, American Chemical Society (ACS)

    Dr Kazumi Inagaki, Yoshitaka Miyamoto, Dr Yukihiro Okamoto

  62. Functional Platform for Controlled Subcellular Distribution of Carbon Nanotubes

    Article • ACS Nano, October 2011, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  63. Electroosmotic Flow in Microchannels with Nanostructures

    Article • ACS Nano, September 2011, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  64. A clinical trial for therapeutic drug monitoring using microchip-based fluorescence polarization immunoassay

    Article • Analytical and Bioanalytical Chemistry, August 2011, Springer Science + Business Media

    Dr Yukihiro Okamoto

  65. Label-Free Detection of DNA-Binding Proteins Based on Microfluidic Solid-State Molecular Beacon Sensor

    Article • Analytical Chemistry, April 2011, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  66. Aqueous phase-synthesized small CdSe quantum dots: adsorption layer structure and strong band-edge and surface trap emission

    Article • Journal of Nanoparticle Research, February 2011, Springer Science + Business Media

    Dr Yukihiro Okamoto

  67. Online transient isotachophoresis concentration by the pseudo-terminating electrolyte buffer for the separation of DNA–aptamer and its thrombin complex in poly(methyl methacrylate) microchip

    Article • The Analyst, January 2011, Royal Society of Chemistry

    Dr Yukihiro Okamoto

  68. Microfluidic baker's transformation device for three-dimensional rapid mixing

    Article • Lab on a Chip, January 2011, Royal Society of Chemistry

    Dr Yukihiro Okamoto

  69. A touch-and-go lipid wrapping technique in microfluidic channels for rapid fabrication of multifunctional envelope-type gene delivery nanodevices

    Article • Lab on a Chip, January 2011, Royal Society of Chemistry

    Dr Yukihiro Okamoto

  70. Trafficking and Subcellular Localization of Multiwalled Carbon Nanotubes in Plant Cells

    Article • ACS Nano, December 2010, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  71. Aqueous Phase Synthesized CdSe Nanoparticles with Well-Defined Numbers of Constituent Atoms

    Article • The Journal of Physical Chemistry C, October 2010, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  72. DNA separation by cholesterol-bearing pullulan nanogels

    Article • Biomicrofluidics, September 2010, American Institute of Physics

    Dr Yukihiro Okamoto

  73. Quantum dots labeling using octa-arginine peptides for imaging of adipose tissue-derived stem cells

    Article • Biomaterials, May 2010, Elsevier

    Yoshitaka Miyamoto, Dr Yukihiro Okamoto

  74. Nanopillar, nanoball, and nanofibers for highly efficient analysis of biomolecules

    Article • Chemical Society Reviews, January 2010, Royal Society of Chemistry

    Dr Yukihiro Okamoto

  75. Immuno-pillar chip: a new platform for rapid and easy-to-use immunoassay

    Article • Lab on a Chip, January 2010, Royal Society of Chemistry

    Dr Yukihiro Okamoto

  76. Size-Selective Growth and Stabilization of Small CdSe Nanoparticles in Aqueous Solution

    Article • ACS Nano, December 2009, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  77. Quantum Dots for Labeling Adipose Tissue-Derived Stem Cells

    Article • Cell Transplantation, May 2009, SAGE Publications

    Dr Yukihiro Okamoto

  78. Velocity Gap Theory Developed for Magnifying Resolutions without Changing Separation Mechanisms or Separation Lengths

    Article • Analytical Chemistry, March 2009, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  79. Cell separation by the combination of microfluidics and optical trapping force on a microchip

    Article • Analytical and Bioanalytical Chemistry, February 2009, Springer Science + Business Media

    Dr Yukihiro Okamoto

  80. Luminescence of Cup-Stacked Carbon Nanotubes and Its Application to Microchip Electrophoresis

    Article • BUNSEKI KAGAKU, January 2009, Japan Society for Analytical Chemistry

    Dr Yukihiro Okamoto

  81. Online Concentration and Affinity Separation of Biomolecules Using Multifunctional Particles in Capillary Electrophoresis under Magnetic Field

    Article • Analytical Chemistry, March 2007, American Chemical Society (ACS)

    Dr Yukihiro Okamoto

  82. Preparation of fritless capillary using avidin immobilized magnetic particles for electrochromatographic chiral separation

    Article • Journal of Chromatography A, March 2007, Elsevier

    Dr Yukihiro Okamoto

  83. Chiral separation of acidic drug components by open tubular electrochromatography using avidin immobilized capillaries

    Article • Journal of Chromatography A, October 2006, Elsevier

    Dr Yukihiro Okamoto

  84. Electrophoretic analysis of proteins and enantiomers using capillaries modified by a successive multiple ionic-polymer layer (SMIL) coating technique

    Article • Analytical and Bioanalytical Chemistry, May 2006, Springer Science + Business Media

    Dr Yukihiro Okamoto

  85. Separation of cationic polymer particles and characterization of avidin-immobilized particles by capillary electrophoresis

    Article • Electrophoresis, March 2006, Wiley

    Dr Yukihiro Okamoto