Yasuhiko Higashi - Articles - Scientific Research Publishing

Development of Simultaneous HPLC-Fluorescence Assay of Phenol and Chlorophenols in Tap Water after Pre-Column Derivatization with 3-Chlorocarbonyl-6,7-dimethoxy-1- methyl-2(1H)-quinoxalinone (Articles)

Yasuhiko Higashi

Detection Vol.4 No.1，January 7, 2016

DOI: 10.4236/detection.2016.41003 4,813 Downloads 5,684 Views Citations
Simple HPLC-Fluorescence Determination of Raspberry Ketone in Fragrance Mist after Pre-Column Derivatization with 4-Hydrazino-7-nitro-2,1,3-benzoxadiazole (Articles)

Yasuhiko Higashi

Journal of Analytical Sciences, Methods and Instrumentation Vol.6 No.2，June 24, 2016

DOI: 10.4236/jasmi.2016.62006 1,972 Downloads 3,117 Views Citations
Simple HPLC–UV Analysis of Phenol and Its Related Compounds in Tap Water after Pre-Column Derivatization with 4-Nitrobenzoyl Chloride (Articles)

Yasuhiko Higashi

Journal of Analytical Sciences, Methods and Instrumentation Vol.7 No.1，March 29, 2017

DOI: 10.4236/jasmi.2017.71002 1,888 Downloads 5,492 Views Citations
Improved Method for Determination of Raspberry Ketone in Fragrance Mist by HPLC-Fluorescence Analysis after Pre-Column Derivatization with 4-(N,N-Dimethylaminosulfonyl)-7-(N-chloroformylmethyl-N-methylamino)-2,1,3-benzoxadiazole (Articles)

Yasuhiko Higashi

Journal of Analytical Sciences, Methods and Instrumentation Vol.8 No.2，June 12, 2018

DOI: 10.4236/jasmi.2018.82002 823 Downloads 1,552 Views Citations
Simple HPLC Analysis of Hinokitiol in Skin Lotion with Visible Light Detection after Pre-Column Dabsylation (Articles)

Yasuhiko Higashi, Shunsuke Tohda

American Journal of Analytical Chemistry Vol.8 No.5，May 17, 2017

DOI: 10.4236/ajac.2017.85026 1,682 Downloads 3,149 Views Citations
Combination of Pretreatments with Acetic Acid and Sodium Methoxide for Efficient Digoxin Preparation from Digitalis Glycosides in Digitalis lanata Leaves (Articles)

Yasuhiko Higashi, Yukari Ikeda, Youichi Fujii

Pharmacology & Pharmacy Vol.7 No.5，May 31, 2016

DOI: 10.4236/pp.2016.75026 2,210 Downloads 3,146 Views Citations
Development of Highly Specific Enzyme Immunoassay for Monitoring Serum Digitoxin Level in Patients (Articles)

Yasuhiko Higashi, Yukari Ikeda, Mayumi Douno, Youichi Fujii

Journal of Analytical Sciences, Methods and Instrumentation Vol.6 No.2，June 8, 2016

DOI: 10.4236/jasmi.2016.62003 2,041 Downloads 2,950 Views Citations
Effects of Hand Care Therapy on Reducing the Conversion Rate from MCI to Dementia and Role of COVID-19 as Non-Pharmacotherapy (Articles)

Seigo Koura, Akiko Ikeda, Yasuhiko Fujioka, Yasuhiro Mizogami, Kentaro Higashi, Takeshi Oshikawa

Open Journal of Therapy and Rehabilitation Vol.8 No.3，June 10, 2020

DOI: 10.4236/ojtr.2020.83004 972 Downloads 1,821 Views Citations
Effectiveness of Hand Care Therapy and Garden Walks That Are Conscious of the Stimulation of the Five Senses for Recovery of Cognitive and Mental and Physical Dysfunction Caused by COVID-19 (Articles)

Seigo Koura, Akiko Ikeda, Risa Semba, Megumi Ito, Kazuho Nagao, Kentaro Higashi, Yusuke Kumura, Hiroki Yokota, Shinya Matsutani, Yasuhiko Fujioka

Open Journal of Therapy and Rehabilitation Vol.9 No.1，February 26, 2021

DOI: 10.4236/ojtr.2021.91002 2,503 Downloads 4,617 Views Citations
Capacity Choice in a Price-Setting Mixed Duopoly with Network Effects (Articles)

Yasuhiko Nakamura

Modern Economy Vol.4 No.5，May 31, 2013

DOI: 10.4236/me.2013.45044 4,314 Downloads 6,042 Views Citations
Capacity Choice in a Private Duopoly: A Unilateral Externality Case (Articles)

Yasuhiko Nakamura

Theoretical Economics Letters Vol.3 No.4，July 17, 2013

DOI: 10.4236/tel.2013.34034 4,429 Downloads 6,447 Views Citations
Social Welfare under Quantity Competition and Price Competition in a Mixed Duopoly with Network Effects: An Analysis (Articles)

Yasuhiko Nakamura

Theoretical Economics Letters Vol.3 No.4，July 17, 2013

DOI: 10.4236/tel.2013.34035 4,803 Downloads 7,319 Views Citations
Irrelevance of Conjectural Variation in a Private Duopoly with Consistent Conjectures: The Relative Performance Approach and Network Effects (Articles)

Yasuhiko Nakamura

Modern Economy Vol.4 No.9A，August 20, 2013

DOI: 10.4236/me.2013.49A002 4,207 Downloads 5,606 Views Citations
This article belongs to the Special Issue on Marketing Management
Irrelevance of Conjectural Variation in a Mixed Duopoly: The Case of Relative Performance and Consistent Conjectures (Articles)

Yasuhiko Nakamura

Theoretical Economics Letters Vol.3 No.5B，August 30, 2013

DOI: 10.4236/tel.2013.35A2002 4,832 Downloads 7,069 Views Citations
This article belongs to the Special Issue on Game Theory and Economic Behavior
Quantity Competition and Price Competition with a Duopoly in a Consumer-Friendly Firm: A Welfare Analysis (Articles)

Yasuhiko Nakamura

Modern Economy Vol.4 No.11，November 26, 2013

DOI: 10.4236/me.2013.411082 4,734 Downloads 6,753 Views Citations
Capacity Choice in a Quantity-Setting Mixed Duopoly with Network Effects (Articles)

Yasuhiko Nakamura

Theoretical Economics Letters Vol.4 No.1，February 12, 2014

DOI: 10.4236/tel.2014.41007 4,505 Downloads 5,996 Views Citations
Biased Managers as Strategic Commitment in a Mixed Duopoly (Articles)

Yasuhiko Nakamura

Theoretical Economics Letters Vol.4 No.9，December 16, 2014

DOI: 10.4236/tel.2014.49112 4,518 Downloads 5,282 Views Citations
Capacity Choice in a Price-Setting Mixed Duopoly: The Relative Performance Approach (Articles)

Yasuhiko Nakamura, Masayuki Saito

Modern Economy Vol.4 No.4，April 30, 2013

DOI: 10.4236/me.2013.44031 4,482 Downloads 6,558 Views Citations
Capacity Choice in a Mixed Duopoly: The Relative Performance Approach (Articles)

Yasuhiko Nakamura, Masayuki Saito

Theoretical Economics Letters Vol.3 No.2，April 30, 2013

DOI: 10.4236/tel.2013.32020 4,654 Downloads 7,535 Views Citations
Abdominal Aortic Aneurysm Repair in a Patient with Superior Mesenteric Artery Occlusion with Transient Intraoperative Infusion of the Inferior Mesenteric Artery: A Surgical Case Report (Articles)

Yasuhiko Kobayashi, Takahiro Yamaguchi, Junichi Yoshida

World Journal of Cardiovascular Surgery Vol.8 No.11，November 22, 2018

DOI: 10.4236/wjcs.2018.811021 1,285 Downloads 2,608 Views Citations

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