Works by Takamasa Sakai

Results: 47

The impact of regulation changes in the spontaneous reporting system for vaccines on reporting trends and signal detection in Japan.

Published in:

Pharmacoepidemiology & Drug Safety, 2021, v. 30, n. 8, p. 1091, doi. 10.1002/pds.5231

By:

Miyazaki, Makoto;
Sakai, Takamasa;
Obara, Taku;
Mano, Nariyasu

Publication type:

Article

The First Example of a Model Amphiphilic Polymer Conetwork Containing a Hydrophobic Oligopeptide: The Case of End-Linked Tetra[Poly(ethylene glycol)- b -oligo(L -alanine)].

Published in:

Gels (2310-2861), 2025, v. 11, n. 5, p. 331, doi. 10.3390/gels11050331

By:

Apostolides, Demetris E.;
Michael, George;
Patrickios, Costas S.;
Sakai, Takamasa;
Kyroglou, Iro;
Kasimatis, Maria;
Iatrou, Hermis;
Prévost, Sylvain;
Gradzielski, Michael

Publication type:

Article

Signal of Miscarriage with Aripiprazole: A Disproportionality Analysis of the Japanese Adverse Drug Event Report Database.

Published in:

2017

By:

Sakai, Takamasa;
Ohtsu, Fumiko;
Mori, Chiyo;
Tanabe, Kouichi;
Goto, Nobuyuki

Publication type:

journal article

Association between exposure to atypical antipsychotics during pregnancy and risk of miscarriage.

Published in:

Acta Psychiatrica Scandinavica, 2024, v. 150, n. 6, p. 562, doi. 10.1111/acps.13755

By:

Ishikawa, Tomofumi;
Sakai, Takamasa;
Iwama, Noriyuki;
Obara, Ryo;
Morishita, Kei;
Adomi, Motohiko;
Noda, Aoi;
Ishikuro, Mami;
Kikuchi, Saya;
Kobayashi, Natsuko;
Tomita, Hiroaki;
Saito, Masatoshi;
Nishigori, Hidekazu;
Kuriyama, Shinichi;
Mano, Nariyasu;
Obara, Taku

Publication type:

Article

Carbon Dioxide Separation Using a High-toughness Ion Gel with a Tetra-armed Polymer Network.

Published in:

Chemistry Letters, 2015, v. 44, n. 1, p. 17, doi. 10.1246/cl.140795

By:

Kenta Fujii;
Takashi Makino;
Kei Hashimoto;
Takamasa Sakai;
Mitsuhiro Kanakubo;
Mitsuhiro Shibayama

Publication type:

Article

Brønsted Basicity of Solute Butylamine in an Aprotic Ionic Liquid Investigated by Potentiometric Titration.

Published in:

Chemistry Letters, 2013, v. 42, n. 10, p. 1250, doi. 10.1246/cl.130537

By:

Kenta Fujii;
Kei Hashimoto;
Takamasa Sakai;
Yasuhiro Umebayashi;
Mitsuhiro Shibayama

Publication type:

Article

Back Cover: Macromol. Biosci. 6/2014.

Published in:

2014

By:

Numata, Keiji;
Yamazaki, Shoya;
Katashima, Takuya;
Chuah, Jo‐Ann;
Naga, Naofumi;
Sakai, Takamasa

Publication type:

Other

Silk-Pectin Hydrogel with Superior Mechanical Properties, Biodegradability, and Biocompatibility.

Published in:

Macromolecular Bioscience, 2014, v. 14, n. 6, p. 799, doi. 10.1002/mabi.201300482

By:

Numata, Keiji;
Yamazaki, Shoya;
Katashima, Takuya;
Chuah, Jo‐Ann;
Naga, Naofumi;
Sakai, Takamasa

Publication type:

Article

Pregnancy Loss Signal from Prostaglandin Eye Drop Use in Pregnancy: A Disproportionality Analysis Using Japanese and US Spontaneous Reporting Databases.

Published in:

Drugs - Real World Outcomes, 2022, v. 9, n. 1, p. 43, doi. 10.1007/s40801-021-00287-y

By:

Sakai, Takamasa;
Mori, Chiyo;
Koshiba, Honoka;
Yuminaga, Ryuta;
Tanabe, Kouichi;
Ohtsu, Fumiko

Publication type:

Article

Visualization of Kinase Inhibition-Related Adverse Events Using the Japanese Adverse Drug Event Report Database.

Published in:

Drugs - Real World Outcomes, 2021, v. 8, n. 2, p. 197, doi. 10.1007/s40801-021-00235-w

By:

Mizuno, Takahito;
Sakai, Takamasa;
Tanabe, Kouichi;
Umemura, Takumi;
Goto, Nobuyuki;
Ohtsu, Fumiko

Publication type:

Article

Characteristics of Adverse Events Following Immunization Reporting in Children: The Japanese Adverse Drug Event Report Database.

Published in:

Vaccines, 2020, v. 8, n. 3, p. 357, doi. 10.3390/vaccines8030357

By:

Noda, Aoi;
Sakai, Takamasa;
Tsuchiya, Masami;
Oyanagi, Gen;
Obara, Taku;
Mano, Nariyasu

Publication type:

Article

Design of Hydrogels for Biomedical Applications.

Published in:

Advanced Healthcare Materials, 2015, v. 4, n. 16, p. 2360, doi. 10.1002/adhm.201500076

By:

Kamata, Hiroyuki;
Li, Xiang;
Chung, Ung‐il;
Sakai, Takamasa

Publication type:

Article

Photoregulated Wormlike Motion of a Gel.

Published in:

Angewandte Chemie International Edition, 2008, v. 47, n. 47, p. 9039, doi. 10.1002/anie.200803046

By:

Shinohara, Shu-ichi;
Seki, Takahiro;
Sakai, Takamasa;
Yoshida, Ryo;
Takeoka, Yukikazu

Publication type:

Article

Self-Flocculating/Self-Dispersing Oscillation of Microgels.

Published in:

Angewandte Chemie International Edition, 2008, v. 47, n. 5, p. 917, doi. 10.1002/anie.200703953

By:

Suzuki, Daisuke;
Sakai, Takamasa;
Yoshida, Ryo

Publication type:

Article

Co-lyophilized Aspirin with Trehalose Causes Less Injury to Human Gastric Cells and Gastric Mucosa of Rats.

Published in:

2016

By:

Lin, Lee-Shuan;
Kayasuga-Kariya, Yuko;
Nakamura, Shugo;
Shimohata, Nobuyuki;
Sakai, Takamasa;
Fujisawa, Ayano;
Akagi, Yuki;
Suzuki, Shigeki;
Chung, Ung-il;
Sasaki, Nobuo;
Mochizuki, Manabu

Publication type:

journal article

Preparation and characterization of a nanofiber mat consisting of Tetra-PEG prepolymers.

Published in:

Journal of Applied Polymer Science, 2015, v. 132, n. 4, p. n/a, doi. 10.1002/app.41353

By:

Asai, Hanako;
Miswan, Muhammad Haziq bin;
Shimada, Naoki;
Nakane, Koji;
Sakai, Takamasa;
Ogata, Nobuo

Publication type:

Article

Effect of Swelling and Deswelling on Mechanical Properties of Polymer Gels.

Published in:

Macromolecular Symposia, 2015, v. 358, n. 1, p. 128, doi. 10.1002/masy.201500069

By:

Katashima, Takuya;
Chung, Ung ‐ il;
Sakai, Takamasa

Publication type:

Article

Quality evaluation of the Japanese Adverse Drug Event Report database (JADER).

Published in:

Pharmacoepidemiology & Drug Safety, 2020, v. 29, n. 2, p. 173, doi. 10.1002/pds.4944

By:

Tsuchiya, Masami;
Obara, Taku;
Sakai, Takamasa;
Nomura, Kaori;
Takamura, Chizuko;
Mano, Nariyasu

Publication type:

Article

Relationship between relocation of phototropin to the chloroplast periphery and the initiation of chloroplast movement in Marchantia polymorpha.

Published in:

Plant Direct, 2019, v. 3, n. 8, p. N.PAG, doi. 10.1002/pld3.160

By:

Sakata, Momoko;
Kimura, Shun;
Fujii, Yuta;
Sakai, Takamasa;
Kodama, Yutaka

Publication type:

Article

Surgical sealants with tunable swelling, burst pressures, and biodegradation rates.

Published in:

Journal of Biomedical Materials Research, Part B: Applied Biomaterials, 2017, v. 105, n. 6, p. 1602, doi. 10.1002/jbm.b.33701

By:

Henise, Jeff;
Hearn, Brian R.;
Santi, Daniel V.;
Kamata, Hiroyuki;
Sakai, Takamasa;
Ashley, Gary W.

Publication type:

Article

Identification of target small molecule tyrosine kinase inhibitors that need monitoring and clinical application of protocol for early detection of cancer therapeutics-related cardiac dysfunction using signal detection: An investigation of real world data

Published in:

Journal of Oncology Pharmacy Practice, 2021, v. 27, n. 4, p. 804, doi. 10.1177/1078155220930367

By:

Mizuno, Takahito;
Sakai, Takamasa;
Tanabe, Kouichi;
Kozaki, Koji;
Umemura, Takumi;
Higashikawa, Mariko;
Kimura, Tomoki;
Yamada, Tetsuya;
Goto, Nobuyuki;
Ohtsu, Fumiko

Publication type:

Article

Star‐Polymer–DNA Gels Showing Highly Predictable and Tunable Mechanical Responses.

Published in:

Advanced Materials, 2022, v. 34, n. 13, p. 1, doi. 10.1002/adma.202108818

By:

Ohira, Masashi;
Katashima, Takuya;
Naito, Mitsuru;
Aoki, Daisuke;
Yoshikawa, Yusuke;
Iwase, Hiroki;
Takata, Shin‐ichi;
Miyata, Kanjiro;
Chung, Ung‐il;
Sakai, Takamasa;
Shibayama, Mitsuhiro;
Li, Xiang

Publication type:

Article

Highly Elastic and Deformable Hydrogel Formed from Tetra-arm Polymers.

Published in:

Macromolecular Rapid Communications, 2010, v. 31, n. 22, p. 1954, doi. 10.1002/marc.201000286

By:

Sakai, Takamasa;
Akagi, Yuki;
Matsunaga, Takuro;
Kurakazu, Manami;
Chung, Ung-il;
Shibayama, Mitsuhiro

Publication type:

Article

Macromol. Rapid Commun. 22/2010.

Published in:

Macromolecular Rapid Communications, 2010, v. 31, n. 22, p. n/a, doi. 10.1002/marc.201090059

By:

Sakai, Takamasa;
Akagi, Yuki;
Matsunaga, Takuro;
Kurakazu, Manami;
Chung, Ung-il;
Shibayama, Mitsuhiro

Publication type:

Article

Phase Transition Behaviors of Self-Oscillating Polymer and Nano‐Gel Particles.

Published in:

Macromolecular Rapid Communications, 2005, v. 26, n. 14, p. 1140, doi. 10.1002/marc.200500195

By:

Takamasa Sakai;
Yusuke Hara;
Ryo Yoshida

Publication type:

Article

Non-Osmotic Hydrogels: A Rational Strategy for Safely Degradable Hydrogels.

Published in:

Angewandte Chemie, 2016, v. 128, n. 32, p. 9428, doi. 10.1002/ange.201602610

By:

Kamata, Hiroyuki;
Kushiro, Keiichiro;
Takai, Madoka;
Chung, Ung ‐ il;
Sakai, Takamasa

Publication type:

Article

Comparison of the long-term effects on rabbit bone defects between Tetrabone and β-tricalcium phosphate granules implantation.

Published in:

Journal of Artificial Organs, 2014, v. 17, n. 4, p. 344, doi. 10.1007/s10047-014-0778-9

By:

Choi, Sungjin;
Liu, I-Li;
Yamamoto, Kenichi;
Honnami, Muneki;
Ohba, Shinsuke;
Echigo, Ryosuke;
Sakai, Takamasa;
Igawa, Kazuyo;
Suzuki, Shigeki;
Nishimura, Ryouhei;
Chung, Ung-il;
Sasaki, Nobuo;
Mochizuki, Manabu

Publication type:

Article

Miscibility and ternary diagram of aqueous polyvinyl alcohols with different degrees of saponification.

Published in:

Scientific Reports, 2023, v. 13, n. 1, p. 1, doi. 10.1038/s41598-023-35575-w

By:

Kim, Junhyuk;
Ishikawa, Shohei;
Naito, Mitsuru;
Li, Xiang;
Chung, Ung-il;
Sakai, Takamasa

Publication type:

Article

Potential safety signal of pregnancy loss with vascular endothelial growth factor inhibitor intraocular injection: A disproportionality analysis using the Food and Drug Administration Adverse Event Reporting System.

Published in:

Frontiers in Pharmacology, 2022, v. 13, p. 1, doi. 10.3389/fphar.2022.1063625

By:

Takamasa Sakai;
Chiyo Mori;
Fumiko Ohtsu

Publication type:

Article

Adverse Drug Reaction Reports Regarding Abnormal Behavior After Oseltamivir Use in Children as Reported by Consumers or Healthcare Professionals.

Published in:

Patient Preference & Adherence, 2021, v. 15, p. 533, doi. 10.2147/PPA.S292072

By:

Noda, Aoi;
Tsuchiya, Masami;
Sakai, Takamasa;
Obara, Taku;
Mano, Nariyasu

Publication type:

Article

Structure-property relationship of a model network containing solvent.

Published in:

Science & Technology of Advanced Materials, 2019, v. 20, n. 1, p. 608, doi. 10.1080/14686996.2019.1618685

By:

Fujiyabu, Takeshi;
Yoshikawa, Yuki;
Chung, Ung-il;
Sakai, Takamasa

Publication type:

Article

Design of novel biomimetic polymer gels with self-oscillating function.

Published in:

Science & Technology of Advanced Materials, 2002, v. 3, n. 2, p. 95, doi. 10.1016/S1468-6996(02)00010-4

By:

Yoshida, Author Ryo;
Sakai, Takamasa;
Tambata, Osamu;
Yamaguchi, Tomohiko

Publication type:

Article

Decoupling between Translational Diffusion and Viscoelasticity in Transient Networks with Controlled Network Connectivity.

Published in:

Gels (2310-2861), 2022, v. 8, n. 12, p. 830, doi. 10.3390/gels8120830

By:

Katashima, Takuya;
Kobayashi, Ryunosuke;
Ishikawa, Shohei;
Naito, Mitsuru;
Miyata, Kanjiro;
Chung, Ung-il;
Sakai, Takamasa

Publication type:

Article

In situ-formable, dynamic crosslinked poly(ethylene glycol) carrier for localized adeno-associated virus infection and reduced off-target effects.

Published in:

Communications Biology, 2023, v. 6, n. 1, p. 1, doi. 10.1038/s42003-023-04851-w

By:

Kato, Motoi;
Ishikawa, Shohei;
Shen, Qi;
Du, Zening;
Katashima, Takuya;
Naito, Mitsuru;
Numahata, Takao;
Okazaki, Mutsumi;
Sakai, Takamasa;
Kurita, Masakazu

Publication type:

Article

Effect of rapid cefpodoxime disk screening for early detection of third-generation cephalosporin resistance in Escherichia coli and Klebsiella pneumoniae bacteremia.

Published in:

Journal of Pharmaceutical Health Care & Sciences, 2023, v. 9, n. 1, p. 1, doi. 10.1186/s40780-023-00313-x

By:

Sakai, Mikiyasu;
Sakai, Takamasa;
Nagata, Yuki;
Komai, Hiroko;
Miyake, Yoshio;
Watariguchi, Toshitaka;
Kawabata, Atsushi;
Ohtsu, Fumiko

Publication type:

Article

Analysis of factors affecting pharmacists' ability to identify and solve problems.

Published in:

Journal of Pharmaceutical Health Care & Sciences, 2023, v. 9, n. 1, p. 1, doi. 10.1186/s40780-023-00300-2

By:

Watanabe, Keigo;
Sakai, Takamasa;
Ohtsu, Fumiko

Publication type:

Article

Analysis of factors affecting pharmacists' ability to identify and solve problems.

Published in:

Journal of Pharmaceutical Health Care & Sciences, 2023, v. 9, n. 1, p. 1, doi. 10.1186/s40780-023-00300-2

By:

Watanabe, Keigo;
Sakai, Takamasa;
Ohtsu, Fumiko

Publication type:

Article

Pharmacist’s interventions in factors contributing to medication errors reduces medication errors in self-management of patients in the rehabilitation ward.

Published in:

Journal of Pharmaceutical Health Care & Sciences, 2022, v. 8, n. 1, p. 1, doi. 10.1186/s40780-022-00268-5

By:

Suzuki, Ryohei;
Uchiya, Takako;
Sakai, Takamasa;
Takahashi, Masaaki;
Ohtsu, Fumiko

Publication type:

Article

The feasibility of a novel injectable hydrogel for protecting artificial gastrointestinal ulcers after endoscopic resection: an animal pilot study.

Published in:

Scientific Reports, 2021, v. 11, n. 1, p. 1, doi. 10.1038/s41598-021-97988-9

By:

Miura, Yuko;
Tsuji, Yosuke;
Cho, Rina;
Fujisawa, Ayano;
Fujisawa, Masahiko;
Kamata, Hiroyuki;
Yoshikawa, Yuki;
Yamamichi, Nobutake;
Sakai, Takamasa;
Koike, Kazuhiko

Publication type:

Article

Non-Osmotic Hydrogels: A Rational Strategy for Safely Degradable Hydrogels.

Published in:

Angewandte Chemie International Edition, 2016, v. 55, n. 32, p. 9282, doi. 10.1002/anie.201602610

By:

Kamata, Hiroyuki;
Kushiro, Keiichiro;
Takai, Madoka;
Chung, Ung-il;
Sakai, Takamasa

Publication type:

Article

Recombinant human soluble thrombomodulin administration improves sepsis-induced disseminated intravascular coagulation and mortality: a retrospective cohort study.

Published in:

Thrombosis Journal, 2013, v. 11, n. 1, p. 3, doi. 10.1186/1477-9560-11-3

By:

Takahiro Kato;
Takamasa Sakai;
Miki Kato;
Mao Hagihara;
Takaaki Hasegawa;
Katsuhiko Matsuura;
Takashi Nakagawa

Publication type:

Article

Preclustering Gelatin for Faster‐Forming Injectable Hydrogels: A Strategy for Fabricating 3D Hydrogel Scaffolds with Improved Cell Dispersion.

Published in:

Macromolecular Bioscience, 2024, v. 24, n. 6, p. 1, doi. 10.1002/mabi.202300450

By:

Ishikawa, Shohei;
Kamata, Hiroyuki;
Sakai, Takamasa

Publication type:

Article

Reliable Hydrogel with Mechanical 'Fuse Link' in an Aqueous Environment.

Published in:

Advanced Materials, 2015, v. 27, n. 45, p. 7407, doi. 10.1002/adma.201503130

By:

Kondo, Shinji;
Hiroi, Takashi;
Han, Young-Soo;
Kim, Tae-Hwan;
Shibayama, Mitsuhiro;
Chung, Ung-il;
Sakai, Takamasa

Publication type:

Article

Hydrogels: Reliable Hydrogel with Mechanical 'Fuse Link' in an Aqueous Environment (Adv. Mater. 45/2015).

Published in:

Advanced Materials, 2015, v. 27, n. 45, p. 7250, doi. 10.1002/adma.201570306

By:

Kondo, Shinji;
Hiroi, Takashi;
Han, Young-Soo;
Kim, Tae-Hwan;
Shibayama, Mitsuhiro;
Chung, Ung-il;
Sakai, Takamasa

Publication type:

Article

Characteristics of pediatric adverse drug reaction reports in the Japanese Adverse Drug Event Report Database.

Published in:

BMC Pharmacology & Toxicology, 2020, v. 21, n. 1, p. 1, doi. 10.1186/s40360-020-00412-7

By:

Noda, Aoi;
Sakai, Takamasa;
Obara, Taku;
Miyazaki, Makoto;
Tsuchiya, Masami;
Oyanagi, Gen;
Murai, Yuriko;
Mano, Nariyasu

Publication type:

Article

High-quality reports and their characteristics in the Japanese Adverse Drug Event Report database (JADER).

Published in:

Journal of Pharmacy & Pharmaceutical Sciences, 2021, v. 24, p. 161, doi. 10.18433/jpps31417

By:

Masami Tsuchiya;
Taku Obara;
Makoto Miyazaki;
Aoi Noda;
Takamasa Sakai;
Ryohkan Funakoshi;
Nariyasu Mano

Publication type:

Article

High-quality reports and their characteristics in the Japanese Adverse Drug Event Report database (JADER).

Published in:

Journal of Pharmacy & Pharmaceutical Sciences, 2021, v. 24, p. 161, doi. 10.18433/jpps31417

By:

Masami Tsuchiya;
Taku Obara;
Makoto Miyazaki;
Aoi Noda;
Takamasa Sakai;
Ryohkan Funakoshi;
Nariyasu Mano

Publication type:

Article