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Article
In situ Observation of Desorption Reaction of Cytochrome c from Solid/Liquid Interfaces with Slab Optical Waveguide Spectroscopy
An automated solution exchange (SE) mechanism has been introduced to slab optical waveguide spectroscopy to estimate the protein immobilizing ability of a slab optical waveguide (SOWG) surface. In each SE proc...
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Article
Gas Sorption into Surface of Poly(methyl methacrylate) Films at Atmospheric Pressure
Interfacial structure of deuterated poly(methyl methacrylate) (dPMMA) and polystyrene (dPS) films with gases such as carbon dioxide (CO2) and nitrogen (N2) under a pressure of 0.1 MPa was examined by neutron refl...
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Article
Chain Conformation Effects on Molecular Motions at the Surface of Poly(methyl methacrylate) Films
Surface relaxation in syndiotactic (st-) and isotactic (it-) poly(methyl methacrylate) (PMMA) films was studied by lateral force microscopy. The αa- and β-relaxation processes were clearly observed even at the su...
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Article
Effects of Static and Dynamic Forces on Surface Viscoelastic Response of Polymer Films in Scanning Viscoelasticity Microscopy
Scanning force microscopy with force-modulation mode enables one to gain direct insights into local viscoelastic properties at polymer surfaces. Changing modulation condition such as dynamic amplitude and freq...
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Article
Thermal molecular motion in polystyrene thin and ultrathin films by dynamic viscoelastic measurement
Segmental motion in polystyrene (PS) thin and ultrathin films supported on substrates was studied by dynamic viscoelastic measurement. A polymer film, which has the thickness comparable to or less than twice o...
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Article
Grazing Incidence X-ray Diffraction Study on Surface Crystal Structure of Polyethylene Thin Films
Crystal structure in thin films of melt-crystallized and annealed polyethylene (PE) was examined by grazing incidence X-ray diffraction measurements. Choosing appropriate incident angles of X-rays to the films...
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Article
Further Study of Chain End Effect on Surface Mobility in Monodisperse Polystyrene Films
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Article
Near Field Stimulated Time of Flight Mass Surface Analyzer
This work describes a groundbreaking process that provides a direct highly localized measurement of the atomic mass on surfaces at room temperature. Employing an original system that joins a scanning tunneling...
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Chapter
Femtosecond Molecular Photonics Materials
Ultrafast linear and nonlinear photoresponses of polymers, ion-pair charge-transfer complexes and phthalocyanines were studied by a femtosecond (fs) laser for optical recording and optical data processing. Ult...
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Article
Molecular Orientation of an Organized 2-(N-Octadecylamino)-naphthalene-6-sulfonic Acid Multilayer Determined by the Second-Harmonic Generation Technique
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Article
Laser Photoionization Detector for Reversed-Phase High Performance Liquid Chromatography
The laser two-photon ionization technique was applied to reversed-phase high performance liquid chromatography by using a free-falling jet detector (20 nl). Methanol, acetonitrile and a mixture of acetonitrile...
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Article
Development of high-resolution optical scanning fluorescence microscopy
Instrumentation of a high-resolution optical scanning fluorescence microscope is presented. This instrument provides a fluorescent image of the structural surface of various kinds of thin membrane samples with...
