K. Iwai

Publications52
h-index19
Citations1,593
Highly Influential Citations11
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Fluorescent molecular thermometers based on polymers showing temperature-induced phase transitions and labeled with polarity-responsive benzofurazans.
TLDR
The basis of these fluorescent molecular thermometers is the decrease in the microenvironmental polarities near the main chains of theCopolymers with increasing temperature, as confirmed from the maximum emission wavelengths of the benzofurazan units in the copolymers.
Quantitation and isomeric structure analysis of free oligosaccharides present in the cytosol fraction of mouse liver: detection of a free disialobiantennary oligosaccharide and glucosylated…
TLDR
Degradation by these enzymes seems to be the main pathway by which oligomannosides are degraded in mouse cytosol, suggesting that cytosolic endo-beta-N-acetylglucosaminidase and neutral alpha-mannosidase participate in the degradation, because these enzymes have suitable substrate specificities for the production of M5B'.
Fluorescent polymeric AND logic gate with temperature and pH as inputs.
TLDR
A general polymeric design of fluorescent logic gates, for example, AND, is illustrated, using temperature and pH as inputs.
Development of fluorescent microgel thermometers based on thermo-responsive polymers and their modulation of sensitivity range
Fluorescent molecular thermometers based on thermo-responsive linear polymer molecules such as poly(N-isopropylacrylamide) (PNIPAM) labelled with a polarity-responsive fluorescent molecule…
Highly thermosensitive Ca2+ dynamics in a HeLa cell through IP3 receptors
TLDR
The results suggest that Ca2+ signaling is extremely sensitive to temperature changes, especially around body temperature, in cells expressing inositol 1,4,5‐trisphosphate receptors.
Fluorescence label studies of thermo-responsive poly(N-isopropylacrylamide) hydrogels
Mass spectrometric and theoretical studies on the fragmentation mechanism of protonated molecules and molecular radical cations of organometallic compounds with SiC, SiSi, GeC and GeGe bonds
Protonated hexamethyldigermane [HMDG]H+ and protonated hexamethyldisilane [HMDS]H+ were generated in the gas phase by nanoelectrospray ionization (nano‐ESI) and atmospheric pressure chemical…
Luminescent molecular thermometers
Luminescent molecular thermometers are new-generation analytical tools. These thermometers consist of molecular species and inform us of temperature by means of light signals that can be detected…
Molecular Assembling by the Radiation Pressure of a Focused Laser Beam: Poly(N-isopropylacrylamide) in Aqueous Solution
Phase transitions in aqueous solutions of poly(N-isopropylacrylamide) (PNIPAM) with a molecular weight (Mw) of 63 000 were achieved by irradiating the solutions (0.2−3.6 wt %) with an IR laser beam…
Modulation of the sensitive temperature range of fluorescent molecular thermometers based on thermoresponsive polymers.
TLDR
The responses from these fluorescent molecular thermometers to the change in temperature were reversible and exactly repeatable during 10 cycles of heating and cooling (relative standard deviation of the fluorescence intensity, 0.44-1.0%).
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