Pesquisa | Portal de Pesquisa da BVS Enfermagem

1.

Electrochemical Analysis for Total Alkalinity of Water by the Measurement of Cathodic Prepeak of Quinone Caused by Surplus Acid.

Kotani, Akira; Sakazume, Miyu; Machida, Koichi; Yamamoto, Kazuhiro; Hakamata, Hideki.

Chem Pharm Bull (Tokyo) ; 72(3): 266-270, 2024.

Artigo em Inglês | MEDLINE | ID: mdl-38432908

2.

Supercritical fluid chromatography with post-column addition of supporting electrolyte solution for electrochemical determination of tocopherol and tocotrienol isomers.

Yamamoto, Kazuhiro; Nishimura, Takuma; Machida, Koichi; Kotani, Akira; Hakamata, Hideki.

J Sep Sci ; 45(10): 1797-1805, 2022 May.

Artigo em Inglês | MEDLINE | ID: mdl-35247931

3.

Determination of Phenolic Compounds in Beverages by Three-Flow Channel Isocratic HPLC with Electrochemical Detections Using a Column-Switching Technique.

Sun, Yuwen; Kotani, Akira; Machida, Koichi; Yamamoto, Kazuhiro; Hakamata, Hideki.

Chem Pharm Bull (Tokyo) ; 70(1): 43-49, 2022.

Artigo em Inglês | MEDLINE | ID: mdl-34980732

4.

Emerging Separation Techniques in Supercritical Fluid Chromatography.

Yamamoto, Kazuhiro; Machida, Koichi; Kotani, Akira; Hakamata, Hideki.

Chem Pharm Bull (Tokyo) ; 69(10): 970-975, 2021.

Artigo em Inglês | MEDLINE | ID: mdl-34602578

5.

Foreword.

Kotani, Akira.

Chem Pharm Bull (Tokyo) ; 72(3): 248, 2024.

Artigo em Inglês | MEDLINE | ID: mdl-38432904

6.

Chemometric Evaluation of Repeatability Using the Autocorrelation Method in High-Performance Liquid Chromatography with Ultraviolet Detection.

Kotani, Akira; Saito, Mitsuo; Yajima, Takehiko; Hakamata, Hideki; Hayashi, Yuzuru.

Chem Pharm Bull (Tokyo) ; 67(10): 1160-1163, 2019.

Artigo em Inglês | MEDLINE | ID: mdl-31582636

7.

Assessment of Repeatability in Supercritical Fluid Chromatography with Electrochemical Detection Based on the ISO 11843 Part 7.

Yamamoto, Kazuhiro; Kotani, Akira; Hayashi, Yuzuru; Hakamata, Hideki.

Chem Pharm Bull (Tokyo) ; 67(1): 59-63, 2019.

Artigo em Inglês | MEDLINE | ID: mdl-30606951

8.

2-(Pyridinium-1-yl)-1,1-bis(perfluoroalkylsulfonyl)ethan-1-ide: A Practical Reagent for Synthesis of Strongly Acidic 1,1-Bis(perfluoroalkylsulfonyl)alkanes.

Yanai, Hikaru; Takahashi, Ryuta; Takahashi, Yoichi; Kotani, Akira; Hakamata, Hideki; Matsumoto, Takashi.

Chemistry ; 23(34): 8203-8211, 2017 Jun 16.

Artigo em Inglês | MEDLINE | ID: mdl-28266793

9.

3-Nitro-2-pyridinesulfenates as Efficient Solution- and Solid-Phase Disulfide Bond Forming Agents.

Taguchi, Akihiro; Kobayashi, Kiyotaka; Kotani, Akira; Muguruma, Kyohei; Kobayashi, Misaki; Fukumoto, Kentarou; Takayama, Kentaro; Hakamata, Hideki; Hayashi, Yoshio.

Chemistry ; 23(34): 8262-8267, 2017 Jun 16.

Artigo em Inglês | MEDLINE | ID: mdl-28407456

10.

A flow-through column electrolytic cell for supercritical fluid chromatography.

Yamamoto, Kazuhiro; Ueki, Tatsuya; Higuchi, Naoyuki; Takahashi, Kouji; Kotani, Akira; Hakamata, Hideki.

J Sep Sci ; 40(20): 4085-4090, 2017 Oct.

Artigo em Inglês | MEDLINE | ID: mdl-28816397

11.

Quantitative comparison of caffeoylquinic acids and flavonoids in Chrysanthemum morifolium flowers and their sulfur-fumigated products by three-channel liquid chromatography with electrochemical detection.

Chen, Liangmian; Kotani, Akira; Kusu, Fumiyo; Wang, Zhimin; Zhu, Jingjing; Hakamata, Hideki.

Chem Pharm Bull (Tokyo) ; 63(1): 25-32, 2015.

Artigo em Inglês | MEDLINE | ID: mdl-25743191

12.

Psychological Barriers to the Use of Opioid Analgesics for Treating Pain in Patients With Advanced Recurrent Cancer: A Multicenter Cohort Study.

Tsuno, Takehiko; Kawaguchi, Takashi; Yanaizumi, Ryota; Kondo, Junichi; Kojima, Keiko; Igarashi, Takashi; Inoue, Masaki; Miura, Tomofumi; Miyasato, Akime; Azuma, Kanako; Hamada, Hiroshi; Saeki, Tomoya; Mawatari, Hironori; Ogura, Hiroyuki; Kotani, Akira; Yamaguchi, Takuhiro; Hakamata, Hideki.

Palliat Med Rep ; 5(1): 43-52, 2024.

Artigo em Inglês | MEDLINE | ID: mdl-38249830

13.

Simultaneous detection of 19 K-ras mutations by free-solution conjugate electrophoresis of ligase detection reaction products on glass microchips.

Albrecht, Jennifer Coyne; Kotani, Akira; Lin, Jennifer S; Soper, Steven A; Barron, Annelise E.

Electrophoresis ; 34(4): 590-7, 2013 Feb.

Artigo em Inglês | MEDLINE | ID: mdl-23192597

14.

Synthesis of Î´-oxo-1,1-bis(triflyl)alkanes and their acidities.

Yanai, Hikaru; Fujita, Masaya; Takahashi, Arata; Zhang, Min; Mishima, Masaaki; Kotani, Akira; Matsumoto, Takashi; Taguchi, Takeo.

Molecules ; 18(12): 15531-40, 2013 Dec 13.

Artigo em Inglês | MEDLINE | ID: mdl-24352012

15.

Gradient elution of hydroxyacetophenones by supercritical fluid chromatography with electrochemical detection.

Yamamoto, Kazuhiro; Machida, Koichi; Kotani, Akira; Hakamata, Hideki.

Anal Sci ; 39(5): 761-765, 2023 May.

Artigo em Inglês | MEDLINE | ID: mdl-36576650

16.

Electrochemical determination of free amino nitrogen in aged lean beef by the measurement of surplus acid after neutralization.

Kotani, Akira; Shimomura, Kaito; Yamamoto, Kazuhiro; Machida, Koichi; Hakamata, Hideki.

Anal Sci ; 39(1): 109-113, 2023 Jan.

Artigo em Inglês | MEDLINE | ID: mdl-36239918

17.

Determination of oxalic acid in herbal medicines by semi-micro hydrophilic interaction liquid chromatography coupled with electrochemical detection.

Kotani, Akira; Ishikawa, Hisanobu; Shii, Takashi; Kuroda, Minpei; Mimaki, Yoshihiro; Machida, Koichi; Yamamoto, Kazuhiro; Hakamata, Hideki.

Anal Sci ; 39(4): 441-446, 2023 Apr.

Artigo em Inglês | MEDLINE | ID: mdl-36639558

18.

Capillary liquid chromatography with UV detection using N,N-diethyl dithiocarbamate for determining platinum-based antitumor drugs in plasma.

Otsuki, Yasutaka; Kotani, Akira; Kusu, Fumiyo.

Chem Pharm Bull (Tokyo) ; 60(5): 665-9, 2012.

Artigo em Inglês | MEDLINE | ID: mdl-22689405

19.

Chemometric evaluations of repeatability and detection limit in high-performance liquid chromatography with electrochemical detection.

Kotani, Akira; Watanabe, Ryo; Hayashi, Yuzuru; Hakamata, Hideki.

J Chromatogr A ; 1673: 463075, 2022 Jun 21.

Artigo em Inglês | MEDLINE | ID: mdl-35487116

20.

Effects of digital processing on repeatability assessment of a multiple reaction monitoring liquid chromatography-tandem mass spectrometry system by ISO 11843-7.

Machida, Koichi; Kotani, Akira; Hayashi, Yuzuru; Hakamata, Hideki.

J Mass Spectrom ; 57(8): e4877, 2022 Jul 27.

Artigo em Inglês | MEDLINE | ID: mdl-35941806

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