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Nobuo Ochiai

Two decades of stir bar sorptive extraction: A retrospective and future outlook
2018 · Frank David, Nobuo Ochiai, et al. · TrAC Trends in Analytical Chemistry · 181
Optimization of a multi‐residue screening method for the determination of 85 pesticides in selected food matrices by stir bar sorptive extraction and thermal desorption GC‐MS
2005 · Nobuo Ochiai, Kikuo Sasamoto, et al. · Journal of Separation Science · 123
Determination of trace amounts of off-flavor compounds in drinking water by stir bar sorptive extraction and thermal desorption GC-MS
2001 · Nobuo Ochiai, Kikuo Sasamoto, et al. · The Analyst · 108
Advanced method optimization for volatile aroma profiling of beer using two-dimensional gas chromatography time-of-flight mass spectrometry
2017 · Pierre-Hugues Stefanuto, Katelynn A. Perrault, et al. · Journal of Chromatography A · 106
Fast screening of pesticide multiresidues in aqueous samples by dual stir bar sorptive extraction-thermal desorption-low thermal mass gas chromatography–mass spectrometry
2006 · Nobuo Ochiai, Kikuo Sasamoto, et al. · Journal of Chromatography A · 102
Stir bar sorptive extraction and comprehensive two-dimensional gas chromatography coupled to high-resolution time-of-flight mass spectrometry for ultra-trace analysis of organochlorine pesticides in river water
2011 · Nobuo Ochiai, Teruyo Ieda, et al. · Journal of Chromatography A · 99
Determination of stale-flavor carbonyl compounds in beer by stir bar sorptive extraction with in-situ derivatization and thermal desorption–gas chromatography–mass spectrometry
2003 · N Ochiai, K Sasamoto, et al. · Journal of Chromatography A · 99
Simultaneous determination of preservatives in beverages, vinegar, aqueous sauces, and quasi-drug drinks by stir-bar sorptive extraction (SBSE) and thermal desorption GC–MS
2002 · Nobuo Ochiai, Kikuo Sasamoto, et al. · Analytical and Bioanalytical Chemistry · 99
Sequential stir bar sorptive extraction for uniform enrichment of trace amounts of organic pollutants in water samples
2008 · Nobuo Ochiai, Kikuo Sasamoto, et al. · Journal of Chromatography A · 93
Recent Developments of Stir Bar Sorptive Extraction for Food Applications: Extension to Polar Solutes
2018 · Nobuo Ochiai, Kikuo Sasamoto, et al. · Journal of Agricultural and Food Chemistry · 89
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Comprehensive two-dimensional gas chromatography coupled to high-resolution time-of-flight mass spectrometry and simultaneous nitrogen phosphorous and mass spectrometric detection for characterization of nanoparticles in roadside atmosphere
2007 · Nobuo Ochiai, Teruyo Ieda, et al. · Journal of Chromatography A · 88
Analysis of Nonylphenol Isomers in a Technical Mixture and in Water by Comprehensive Two-Dimensional Gas Chromatography−Mass Spectrometry
2005 · Teruyo Ieda, Yuichi Horii, et al. · Environmental Science & Technology · 86
Environmental analysis of chlorinated and brominated polycyclic aromatic hydrocarbons by comprehensive two-dimensional gas chromatography coupled to high-resolution time-of-flight mass spectrometry
2011 · Teruyo Ieda, Nobuo Ochiai, et al. · Journal of Chromatography A · 82
Solvent-assisted stir bar sorptive extraction by using swollen polydimethylsiloxane for enhanced recovery of polar solutes in aqueous samples: Application to aroma compounds in beer and pesticides in wine
2016 · Nobuo Ochiai, Kikuo Sasamoto, et al. · Journal of Chromatography A · 72
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Analysis of volatile sulphur compounds in breath by gas chromatography–mass spectrometry using a three-stage cryogenic trapping preconcentration system
2001 · Nobuo Ochiai, Masahiko Takino, et al. · Journal of Chromatography B Biomedical Sciences and Applications · 63
Selectable one-dimensional or two-dimensional gas chromatography–olfactometry/mass spectrometry with preparative fraction collection for analysis of ultra-trace amounts of odor compounds
2010 · Nobuo Ochiai, Kikuo Sasamoto · Journal of Chromatography A · 61
Multi-stir bar sorptive extraction for analysis of odor compounds in aqueous samples
2013 · Nobuo Ochiai, Kikuo Sasamoto, et al. · Journal of Chromatography A · 60
Multi-volatile method for aroma analysis using sequential dynamic headspace sampling with an application to brewed coffee
2014 · Nobuo Ochiai, Jun Tsunokawa, et al. · Journal of Chromatography A · 58
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Global and selective detection of organohalogens in environmental samples by comprehensive two-dimensional gas chromatography–tandem mass spectrometry and high-resolution time-of-flight mass spectrometry
2011 · Shunji Hashimoto, Yoshikatsu Takazawa, et al. · Journal of Chromatography A · 57
Full evaporation dynamic headspace in combination with selectable one-dimensional/two-dimensional gas chromatography–mass spectrometry for the determination of suspected fragrance allergens in cosmetic products
2012 · Christophe Devos, Nobuo Ochiai, et al. · Journal of Chromatography A · 51
Thermal desorption – comprehensive two-dimensional gas chromatography coupled with tandem mass spectrometry for determination of trace polycyclic aromatic hydrocarbons and their derivatives
2012 · Akihiro Fushimi, Shunji Hashimoto, et al. · Journal of Chromatography A · 48
Full evaporation dynamic headspace and gas chromatography–mass spectrometry for uniform enrichment of odor compounds in aqueous samples
2012 · Nobuo Ochiai, Kikuo Sasamoto, et al. · Journal of Chromatography A · 48
Selectable one-dimensional or two-dimensional gas chromatography–mass spectrometry with simultaneous olfactometry or element-specific detection
2010 · Kikuo Sasamoto, Nobuo Ochiai · Journal of Chromatography A · 46
Development of a Method for the Quantitation of Three Thiols in Beer, Hop, and Wort Samples by Stir Bar Sorptive Extraction with in Situ Derivatization and Thermal Desorption–Gas Chromatography–Tandem Mass Spectrometry
2015 · Nobuo Ochiai, Kikuo Sasamoto, et al. · Journal of Agricultural and Food Chemistry · 45
Stabilities of 58 volatile organic compounds in fused-silica-lined and SUMMA polished canisters under various humidified conditions
2002 · Nobuo Ochiai, Akira Tsuji, et al. · Journal of Environmental Monitoring · 45
Works count: 56
Citation count: 2,242
H-index: 27
I10-index: 35
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