Kazuaki Ohara
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Explore the profile of Kazuaki Ohara including associated specialties, affiliations and a list of published articles.
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Articles
61
Citations
445
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Recent Articles
1.
Hirakawa T, Tanno S, Ohara K
Plant Biotechnol (Tokyo)
. 2024 Oct;
41(1):71-76.
PMID: 39464869
Heat stress, which occurs when temperatures exceed the optimal range for growth, challenges the maintenance of crop yield because it disrupts plant homeostasis at the cellular and developmental levels. Chemical...
2.
Tu Y, Inagaki Y, Ohara K, Yamaguchi K, Setaka W
Org Biomol Chem
. 2024 Aug;
22(34):6950-6954.
PMID: 39132741
Ring-closing metathesis of dialkenyldisilacycloalkane using the Grubbs catalyst, followed by hydrogenation, afforded a mixture of two disilabicycloalkanes and tetrasilatricycloalkanes. This method can synthesize a diastereomer mixture of disilabicycloalkanes with one...
3.
Jia J, Wilson W, Karmaker A, Nishimura A, Otsuka H, Ohara K, et al.
Stem Cells Dev
. 2023 Dec;
33(3-4):57-66.
PMID: 38062993
Human embryonic stem cells (hESCs) and induced pluripotent stem cells (hiPSCs) hold great potential in regenerative medicine. These cells can be expanded indefinitely in theory and are able to differentiate...
4.
Tokuhara Y, Ohara K, Morinishi T, Yamaguchi K, Tada S
J Clin Lab Anal
. 2023 Oct;
37(21-22):e24976.
PMID: 37877521
Objective: Homogentisic acid (HGA) is excreted in excessive amounts in the urine of patients with alkaptonuria, which is a hereditary metabolic disorder of phenylalanine and tyrosine. Therefore, the detection of...
5.
Setaka W, Ikeda Y, Inagaki Y, Ohara K, Yamaguchi K
Org Lett
. 2023 Sep;
25(40):7283-7286.
PMID: 37681749
In large bicycloalkanes, several in/out forms exist, wherein substituents on the bridgehead atoms are oriented either outside or inside the cage. The relative stability between the in,out and twist-out,out forms,...
6.
Warashina T, Shirota O, Ohara K
Chem Pharm Bull (Tokyo)
. 2023 Sep;
71(9):734-740.
PMID: 37661379
The MeOH extract from dried roots of Oxypetalum caeruleum (Apocynaceae, formerly known as Asclepiadaceae) plants yielded twenty new pregnane glycosides, some of which had a new 12,20-epoxy type aglycone. The...
7.
Hirakawa T, Tanno S, Ohara K
Front Plant Sci
. 2023 May;
14:1165646.
PMID: 37223787
Oxidative stress causes cellular damage and genomic instability through the accumulation of reactive oxygen species (ROS) in plants, resulting in reduced crop production. Chemical priming, which can enhance plant tolerance...
8.
Lu Y, Kasahara A, Hyodo T, Ohara K, Yamaguchi K, Otani Y, et al.
Org Lett
. 2023 May;
25(19):3482-3486.
PMID: 37158431
Fluorination of oximes with the relatively mild diethylaminosulfur trifluoride/tetrahydrofuran (DAST-THF) system affords imidoyl fluorides. These compounds were isolated, and their structures were confirmed by X-ray single-crystal structure analysis. Reaction of...
9.
Hosokawa S, Morinishi T, Ohara K, Yamaguchi K, Tada S, Tokuhara Y
PLoS One
. 2023 Jan;
18(1):e0279547.
PMID: 36701407
Tryptophan (Trp) is an essential amino acid that functions in various biological processes and human daily health. As the significant functions of Trp become more apparent, its measurement is becoming...
10.
Kurimoto T, Inagaki Y, Ohara K, Yamaguchi K, Setaka W
Org Biomol Chem
. 2022 Oct;
20(43):8465-8470.
PMID: 36260021
The rotation of a part of a molecule has attracted attention because of its possible role in the development of an artificial molecular rotor. In this study, 1,4-naphthylene bridged diazamacrocycles,...