Research Topics
| Hideya KawasakiSummaryAffiliation: Kansai University Country: Japan Publications
| Collaborators
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Detail Information
Publications
Gold-nanoparticle-supported silicon plate with polymer micelles for surface-assisted laser desorption/ionization mass spectrometry of peptidesAkira Tarui
Department of Applied Chemistry, Kansai University, Suita, Osaka 564 8680, Japan
J Nanosci Nanotechnol 9:159-64. 2009..The high ionization efficiency is discussed from the viewpoint of nanoparticle distribution controlled by polymers on the plate (aggregates vs. nonaggregates)...
Stability of the DMF-protected Au nanoclusters: photochemical, dispersion, and thermal propertiesHideya Kawasaki
Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, Kansai University, 3 3 35 Yamate cho, Suita Shi, Osaka 564 8680, Japan
Langmuir 26:5926-33. 2010..These findings demonstrate that the photobleaching process under the UV irradiation is effectively suppressed for DMF-protected Au NCs...
Effect of urea surface modification and photocatalytic cleaning on surface-assisted laser desorption ionization mass spectrometry with amorphous TiO2 nanoparticlesTakehiro Watanabe
Department of Applied Chemistry, Kansai University, Suita, Osaka 564 8680, Japan
J Mass Spectrom 44:1443-51. 2009..3) The urea modification of TiO2 had the advantage of selective detection of phosphopeptides without sample clean up, or prefractionation in tryptic digest products of bovine hemoglobin...
Functionalized pyrolytic highly oriented graphite polymer film for surface-assisted laser desorption/ionization mass spectrometry in environmental analysisHideya Kawasaki
Department of Applied Chemistry, Kansai University, Suita, Osaka 564 8680, Japan
Rapid Commun Mass Spectrom 23:3323-32. 2009..It is suggested that perfluoroalkylsulfonic acids are better protonating agents than perfluoroalkylcarboxylic acids in SALDI-MS...
Surfactant-free single-nano-sized colloidal Cu nanoparticles for use as an active catalyst in Ullmann-coupling reactionYuto Isomura
Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, Kansai University, Suita, Osaka 564 8680, Japan
Chem Commun (Camb) 48:3784-6. 2012..The Cu NPs showed high catalytic activity (with a turnover number (TON) of up to 2.2 × 10(4)) in Ullmann-type cross-coupling of aryl halides with phenols under ligand-free conditions...
Layer-by-layer self-assembled mutilayer films of gold nanoparticles for surface-assisted laser desorption/ionization mass spectrometryHideya Kawasaki
Department of Applied Chemistry, Kansai University, Suita, Osaka 564 8680, Japan
Anal Chem 80:7524-33. 2008....
Trypsin-stabilized fluorescent gold nanocluster for sensitive and selective Hg2+ detectionHideya Kawasaki
Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, Kansai University, 3 3 35 Yamate, Suita, Osaka 564 8680, Japan
Anal Sci 27:591-6. 2011....
Elimination technique for alkali metal ion adducts from an electrospray ionization process using an on-line ion suppressorKazuyoshi Nozaki
Department of Applied Chemistry, Faculty of Chemistry, Materials and Bioengineering, Kansai University, 3 3 35 Yamatecho, Suita, Osaka 564 8680, Japan
Anal Sci 26:715-8. 2010..These results indicate that the combination of an on-line ion suppressor with ESI-MS is a simple and effective technique that eliminates undesirable alkali metal ion adduct formations in the positive-ion mode...
Surfactant-free solution synthesis of fluorescent platinum subnanoclustersHideya Kawasaki
Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, 3 3 35 Yamate cho, Suita Shi, Osaka, Japan564 8680
Chem Commun (Camb) 46:3759-61. 2010..The Pt nanoclusters consist of 4 to 6 Pt atoms. They form highly stable dispersions in water, under both acidic (pH 2) and basic conditions (pH 12), and at ionic strengths of 1 M NaCl...
Sulfonate group-modified FePtCu nanoparticles as a selective probe for LDI-MS analysis of oligopeptides from a peptide mixture and human serum proteinsHideya Kawasaki
Department of Applied Chemistry, Kansai University, Suita, Osaka 564 8680, Japan
Anal Bioanal Chem 395:1423-31. 2009....
Microwave-assisted polyol synthesis of copper nanocrystals without using additional protective agentsHideya Kawasaki
Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, Kansai University, 3 3 35 Yamate cho, Suita Shi, Osaka 564 8680, Japan
Chem Commun (Camb) 47:7740-2. 2011..The Cu NCs are oxidation resistant and exhibit photoluminescence and highly stable properties in a colloidal dispersion...
Semi-online nanoflow liquid chromatography/matrix-assisted laser desorption ionization mass spectrometry of synthetic polymers using an octadecylsilyl-modified monolithic silica capillary columnTakehiro Watanabe
Department of Chemistry and Materials Engineering, Kansai University, Suita, Osaka 564 8680, Japan
Rapid Commun Mass Spectrom 24:1835-41. 2010..The semi-online monolithic capillary LC/MALDI-MS method we have developed should provide a means of effectively analyzing synthetic polymers...
Platinum vapor deposition surface-assisted laser desorption/ionization for imaging mass spectrometry of small moleculesHideya Kawasaki
Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials, and Bioengineering, Kansai University, 3 3 35 Yamate cho, Suita Shi, Osaka, 564 8680, Japan
Rapid Commun Mass Spectrom 26:1849-58. 2012..We describe a solvent-free approach that employs a homogeneously deposited metal nanoparticle layer (or film) for small-molecule detection...
Evaluation of river pollution of neonicotinoids in Osaka City (Japan) by LC/MS with dopant-assisted photoionisationAtsushi Yamamoto
Kansai University, Department of Applied Chemistry, Faculty of Chemistry, Materials and Bioengineering, Suita, Osaka 5648680, Japan
J Environ Monit 14:2189-94. 2012..Although rapid photodegradation and some degradation products have been elucidated, the degradation products in the aquatic environment were not identified in the present study...
Human serum albumin-modified Fe3O4 magnetic nanoparticles for affinity-SALDI-MS of small-molecule drugs in biological liquidsYuichi Iwaki
Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, Kansai University, Osaka, Japan
Anal Sci 28:893-900. 2012..Affinity-SALDI-MS using protein-modified Fe(3)O(4) NPs can open up new approaches to the analytical detection of small drugs in biological liquids by SALDI-MS...
Platinum nanoflowers on scratched silicon by galvanic displacement for an effective SALDI substrateHideya Kawasaki
Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, Kansai University, 3 3 35 Yamate cho, Suita Shi, Osaka, 564 8680 Japan
Chemistry 16:10832-43. 2010..The hybridization of Pt Nfs with a scratched silicon substrate has been found to be important for achieving excellent SALDI activity...
Application of on-line electrochemistry/electrospray/tandem mass spectrometry to a quantification method for the antipsychotic drug zotepine in human serumKazuyoshi Nozaki
Department of Applied Chemistry, Faculty of Chemistry, Materials and Bioengineering, Kansai University, 3 3 35 Yamate, Suita, Osaka 564 8680, Japan
Anal Sci 25:1197-201. 2009..The analytical run time was 5 min. The calibration curve was linear in the concentration range of 10-2000 ng/mL. The intra-assay precision and accuracy were in the range of 1.8-8.9 and 98.4-113%, respectively...
Functionalized graphene-coated cobalt nanoparticles for highly efficient surface-assisted laser desorption/ionization mass spectrometry analysisHideya Kawasaki
Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, Kansai University, 3 3 35 Yamate cho, Suita Shi, Osaka 564 8680, Japan
Anal Chem 84:9268-75. 2012....
Surfactant-free synthesis of palladium nanoclusters for their use in catalytic cross-coupling reactionsMegumi Hyotanishi
Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, Kansai University, Suita, Osaka 564 8680, Japan
Chem Commun (Camb) 47:5750-2. 2011..The Pd NCs had a high turnover number, up to 6.0 × 10(8), which can be recycled at least five times without loss of catalytic activity...
Use of thermally annealed multilayer gold nanoparticle films in combination analysis of localized surface plasmon resonance sensing and MALDI mass spectrometryMasayuki Inuta
Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, Kansai University, Suita Shi, Osaka, 564 8680, Japan
Analyst 136:1167-76. 2011....
Functionalized nanoparticles and nanostructured surfaces for surface-assisted laser desorption/ionization mass spectrometryRyuichi Arakawa
Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, Kansai University
Anal Sci 26:1229-40. 2010..This review summarizes recent developments pertaining to various NPs and nanostructured surfaces for SALDI-MS...
