Publications by authors named "Hiroya Murakami"

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A sensitive paper-based vapor-test kit for instant formalin detection in food products.
Ketsarin Seebunrueng, Puttaraksa Naksen, Purim Jarujamrus, Sira Sansuk, Yaowapa Treekamol, Hiroya Murakami

Food Chem· September 2024

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Colorimetric and fluorometric determination of uric acid by a suspension-based assay using enzyme-immobilized micro-sized particles.
Yukiko Moriiwa, Keigo Hatakeyama, Kazuhiro Morioka, Yoshinori Inoue, Hiroya Murakami

Anal Sci· May 2024

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Novel chemically cross-linked self-molding particulate sorbents as solid-phase extraction media.
Yuta Miki, Hiroya Murakami, Marin Gotoh, Tomonari Umemura, Yukihiro Esaka

Anal Sci· May 2023

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Hydrophilic interaction chromatography-type sorbent prepared by the modification of methacrylate-base resin with polyethyleneimine for solid-phase extraction of polar compounds.
Hiroya Murakami, Keisuke Iida, Yuki Oda, Tomonari Umemura, Hizuru Nakajima

Anal Sci· March 2023

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Development of a fluorescence microplate reader using an organic photodiode array with a large light receiving area.
Kazuhiro Morioka, Moeko Osashima, Nao Azuma, Kuizhi Qu, Akihide Hemmi, Hiroya Murakami

Talanta· February 2022

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Preparation and evaluation of molding-type solid-phase extraction media binding with commercially available adhesives.
Yuta Miki, Hiroya Murakami, Keisuke Iida, Tomonari Umemura, Yukihiro Esaka

Anal Sci· February 2022

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Lead Assays with Smartphone Detection Using a Monolithic Rod with 4-(2-Pyridylazo) Resorcinol.
Piyanat Issarangkura Na Ayutthaya, Chonnipa Yeerum, Kullapon Kesonkan, Kanokwan Kiwfo, Kate Grudpan, Hiroya Murakami

Molecules· September 2021

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Determination of Lead Employing Simple Flow Injection AAS with Monolithic Alginate-Polyurethane Composite Packed In-Valve Column.
Piyanat Issarangkura Na Ayutthaya, Chonnipa Yeerum, Kullapon Kesonkan, Kanokwan Kiwfo, Kate Grudpan, Hiroya Murakami

Molecules· July 2021

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Molding-type Solid-phase Extraction Media Glued with Commercially Available Adhesives.
Yuta Miki, Hiroya Murakami, Keisuke Iida, Tomonari Umemura, Yukihiro Esaka

Anal Sci· October 2020

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Development and Evaluation of HILIC-type Sorbents Modified with Hydrophilic Copolymers for Solid-phase Extraction.
Hiroya Murakami, Takuya Sugiyama, Yuta Miki, Tomonari Umemura, Yukihiro Esaka

Anal Sci· October 2020

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Evaluation of the adsorption properties of nucleobase-modified sorbents for a solid-phase extraction of water-soluble compounds.
Hiroya Murakami, Miho Omiya, Yuta Miki, Tomonari Umemura, Yukihiro Esaka

Talanta· September 2020

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Preparation of N-Ethyl-2'-deoxyguanosine-d as an Internal Standard for the Electrospray Ionization-Tandem Mass Spectrometric Determination of DNA Damage by Acetaldehyde.
Yukihiro Esaka, Hiromitsu Aruga, Saki Kunishima, Takuhei Yamamoto, Hiroya Murakami

Anal Sci· July 2020

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Preparation of Cyclic-1,N-propano-2'-deoxyguanosine-d as an Internal Standard for ESI-MS/MS Determination of DNA Damage from Acetaldehyde.
Yukihiro Esaka, Saki Kunishima, Hiromitsu Aruga, Takuhei Yamamoto, Hiroya Murakami

Anal Sci· December 2019

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Effects of pendant-like hydrophilic monomers on the adsorption properties of reversed-phase-type sorbents for solid-phase extraction.
Hiroya Murakami, Hiroki Tomita, Takuya Aoyanagi, Takashi Sugita, Yuta Miki

Anal Chim Acta· October 2019

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Optimization of background electrolyte composition for simultaneous contactless conductivity and fluorescence detection in capillary electrophoresis of biological samples.
Júlia Lačná, Jan Přikryl, Norio Teshima, Hiroya Murakami, Yukihiro Esaka

Electrophoresis· September 2019

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Evaluation of Type-A Endonucleases for the Quantitative Analysis of DNA Damage due to Exposure to Acetaldehyde Using Capillary Electrophoresis.
Yukihiro Esaka, Kenji Hisato, Takuhei Yamamoto, Hiroya Murakami, Bunji Uno

Anal Sci· October 2018

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Effects of hydrophilic monomers on sorptive properties of divinylbenzene-based reversed phase sorbents.
Hiroya Murakami, Takuya Aoyanagi, Yuta Miki, Hiroki Tomita, Yukihiro Esaka

Talanta· August 2018

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Progress in a selective method for the determination of the acetaldehyde-derived DNA adducts by using HILIC-ESI-MS/MS.
Hiroya Murakami, Ruri Horiba, Tomoko Iwata, Yuta Miki, Bunji Uno

Talanta· January 2018

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Simple Pretreatment and HILIC Separation for LC-ESI-MS/MS Determination of Adenosine in Human Plasma.
Hiroya Murakami, Erina Otani, Tomoko Iwata, Yukihiro Esaka, Takuma Aoyama

Anal Sci· August 2016

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Automatic On-line Solid-phase Extraction-Electrothermal Atomic Absorption Spectrometry Exploiting Sequential Injection Analysis for Trace Vanadium, Cadmium and Lead Determination in Human Urine Samples.
Georgia Giakisikli, Alejandro Ayala Quezada, Junpei Tanaka, Aristidis N Anthemidis, Hiroya Murakami

Anal Sci· March 2016

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Advanced Stopped-in-Loop Flow Analysis with a Reagents-Merging Zones Technique for a Catalytic Successive Determination of Vanadium and Iron.
Alejandro Ayala Quezada, Hiroya Murakami, Norio Teshima, Tadao Sakai, Shoji Motomizu

Anal Sci· January 2016

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Stopped-in-loop flow analysis system for successive determination of trace vanadium and iron in drinking water using their catalytic reactions.
Alejandro Ayala Quezada, Keisuke Ohara, Nuanlaor Ratanawimarnwong, Duangjai Nacapricha, Hiroya Murakami

Talanta· November 2015

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Facile and effective pretreatment using stop and go extraction tips for LC-MS/MS analysis of trace amounts of DNA adducts.
Hiroya Murakami, Rieko Kawamura, Takayoshi Sakakibara, Yukihiro Esaka, Yasushi Ishihama

Anal Sci· April 2015

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Tracking the growth of tadpole-shaped aggregates by scanning electron microscopy.
Takamasa Kinoshita, Hiroya Murakami, Yusuke Muranaka, Yojiro Yamamoto, Tomoaki Nishino

Anal Sci· November 2014

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Stepwise elusion method in micellar electrokinetic chromatography via sequential use of lithium perfluorooctadecyl sulfonate and lithium dodecyl sulfate.
Yukihiro Esaka, Fumiaki Rin, Miki Kobayashi, Ryohei Osako, Hiroya Murakami

J Chromatogr A· September 2014

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