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Determination of carbonyl compounds generated from the E-cigarette using coupled silica cartridges impregnated with hydroquinone and 2,4-dinitrophenylhydrazine, followed by high-performance liquid chromatography.
Uchiyama S, Ohta K, Inaba Y, Kunugita N. Uchiyama S, et al. Anal Sci. 2013;29(12):1219-22. doi: 10.2116/analsci.29.1219. Anal Sci. 2013. PMID: 24334991
Individual differences in urinary cotinine levels in Japanese smokers: relation to genetic polymorphism of drug-metabolizing enzymes.
Yang M, Kunugita N, Kitagawa K, Kang SH, Coles B, Kadlubar FF, Katoh T, Matsuno K, Kawamoto T. Yang M, et al. Cancer Epidemiol Biomarkers Prev. 2001 Jun;10(6):589-93. Cancer Epidemiol Biomarkers Prev. 2001. PMID: 11401907
[Exposure to formaldehyde during an anatomy dissecting course].
Kunugita N, Nakashima T, Kikuta A, Kawamoto T, Arashidani K. Kunugita N, et al. J UOEH. 2004 Sep 1;26(3):337-48. doi: 10.7888/juoeh.26.337. J UOEH. 2004. PMID: 15471282 Japanese.
Improved measurement of ozone and carbonyls using a dual-bed sampling cartridge containing trans-1,2-bis(2-pyridyl)ethylene and 2,4-dinitrophenylhydrazine-impregnated silica.
Uchiyama S, Naito S, Matsumoto M, Inaba Y, Kunugita N. Uchiyama S, et al. Anal Chem. 2009 Aug 1;81(15):6552-7. doi: 10.1021/ac9011528. Anal Chem. 2009. PMID: 19591433
Determination of acrolein and other carbonyls in cigarette smoke using coupled silica cartridges impregnated with hydroquinone and 2,4-dinitrophenylhydrazine.
Uchiyama S, Inaba Y, Kunugita N. Uchiyama S, et al. J Chromatogr A. 2010 Jun 25;1217(26):4383-8. doi: 10.1016/j.chroma.2010.04.056. Epub 2010 Apr 27. J Chromatogr A. 2010. PMID: 20483418
[Characteristics of indoor gaseous air pollutants in winter].
Yamada T, Ohta M, Ucmiyami S, Inaba Y, Goto S, Kunugita N. Yamada T, et al. J UOEH. 2010 Sep 1;32(3):245-55. doi: 10.7888/juoeh.32.245. J UOEH. 2010. PMID: 20857818 Japanese.
Derivatization of carbonyl compounds with 2,4-dinitrophenylhydrazine and their subsequent determination by high-performance liquid chromatography.
Uchiyama S, Inaba Y, Kunugita N. Uchiyama S, et al. J Chromatogr B Analyt Technol Biomed Life Sci. 2011 May 15;879(17-18):1282-9. doi: 10.1016/j.jchromb.2010.09.028. Epub 2010 Oct 20. J Chromatogr B Analyt Technol Biomed Life Sci. 2011. PMID: 20970389 Review.
In order to resolve the isometric problem, a method for transforming the CN double bond of carbonyl-2,4-DNPhydrazone into a C-N single bond, by reductive amination using 2-picoline borane, has been developed. ...
In order to resolve the isometric problem, a method for transforming the CN double bond of carbonyl-2,4-DNPhydrazone into a C-N singl …
A diffusive sampling device for simultaneous determination of ozone and carbonyls.
Uchiyama S, Inaba Y, Kunugita N. Uchiyama S, et al. Anal Chim Acta. 2011 Apr 8;691(1-2):119-24. doi: 10.1016/j.aca.2011.02.048. Epub 2011 Feb 24. Anal Chim Acta. 2011. PMID: 21458640
Ozone removal in the collection of carbonyl compounds in air.
Uchiyama S, Inaba Y, Kunugita N. Uchiyama S, et al. J Chromatogr A. 2012 Mar 16;1229:293-7. doi: 10.1016/j.chroma.2012.01.062. Epub 2012 Jan 30. J Chromatogr A. 2012. PMID: 22333680
Reductive amination of glutaraldehyde 2,4-dinitrophenylhydrazone using 2-picoline borane and high-performance liquid chromatographic analysis.
Uchiyama S, Sakamoto H, Ohno A, Inaba Y, Nakagome H, Kunugita N. Uchiyama S, et al. Analyst. 2012 Sep 21;137(18):4274-9. doi: 10.1039/c2an35230c. Epub 2012 Jul 30. Analyst. 2012. PMID: 22842342
To overcome this issue, a method for transforming the C[double bond, length as m-dash]N double bond into a C-N single bond, using reductive amination of DNPhydrazone derivatives, has been applied. ...Reduction of GLA-DNPhydrazone by 2-picoline borane is unique and r …
To overcome this issue, a method for transforming the C[double bond, length as m-dash]N double bond into a C-N single bond, us …
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