Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Chien-Fang Peng"'
Publikováno v:
International Journal of Molecular Sciences, Vol 13, Iss 1, Pp 1029-1038 (2012)
Three new biflavonoids, wikstaiwanones A–C (1–3), along with four known compounds (4–7) were isolated from the stems of Wikstroemia taiwanensis (Thymelaeaceae). Their structures were elucidated by spectroscopic analysis. Compounds 4 and 5 showe
Externí odkaz:
https://doaj.org/article/fcc1d09a0a2f4703b5bd1755ed5ffffb
Autor:
Han-Fen Huang, Chien-Fang Peng
Publikováno v:
Biomarkers and Genomic Medicine. 7:83-86
Novel alkylsulfonated chitosan, produced by alkylsulfonation, has become a water-soluble, anionic polymer due to the existence of hydrophilic alkylsulfonic acid group. The alkylsulfonic acid creates specific exchangeable cations, thereby increasing t
Autor:
Ih-Sheng Chen, Yun-Ping Lim, Chien Fang Peng, Wen Lung Kuo, Ming Jen Cheng, Jih Jung Chen, Ping-Jyun Sung
Publikováno v:
Chemistry & Biodiversity. 11:1241-1246
A new dihydroagarofuran-based sesquiterpene, microjaponin (1), was isolated from the stem of Microtropis japonica. Its structure was determined by in-depth spectroscopic and mass-spectrometric analyses. Microjaponin (1) exhibited potent in vitro anti
Autor:
Hui-Chun Wang, Ih-Sheng Chen, Hsun-Shuo Chang, Ya-Chih Ting, Chien-Fang Peng, Horng-Huey Ko, Pei-Chen Hsieh
Publikováno v:
Phytochemistry. 103:89-98
Bioassay-guided fractionation of the roots of Myrica adenophora led to isolation of 24 known compounds and hitherto unknown compounds, including three A-type proanthocyanidins [adenodimerins A-C], two esters of sucrose [myricadenins A and B ], and th
Publikováno v:
Biomarkers and Genomic Medicine. 6(2):79-83
Mutations in the quinolone resistance-determining regions (QRDRs) of gyrA , gyrB , parC , and parE have been characterized among the 232 isolates of ciprofloxacin (CIP)-resistant Pseudomonas aeruginosa . As expected, no mutations in the QRDRs of four
Autor:
Pei-Yu Chu, Chien-Fang Peng
Publikováno v:
Japanese Journal of Infectious Diseases. 67:58-61
In this study, genetic environments of the transferable plasmid-mediated blaCTX-M-3 gene were characterized among 14 isolates of cefotaxime-resistant Serratia marcescens using PCR and BLAST DNA sequence analysis. A total of 3 types of genetic archite
Autor:
Ih-Sheng Chen, Ping Jyun Sung, Jih Jung Chen, Tai-Chi Wang, Ming Jen Cheng, Chieh Kai Yang, Hsiang Ruei Liao, Jinn Fen Chen, Chien Fang Peng
Publikováno v:
Chemistry & Biodiversity. 10:1903-1908
Two new pterosin sesquiterpenes, (2S)-13-hydroxypterosin A (1) and (2S,3S)-12-hydroxypterosin Q (2), were isolated from the whole plants of Pteris ensiformis, together with six known compounds. The structures of 1 and 2 were determined through extens
Autor:
Hsun-Shou Chang, Ih-Sheng Chen, Chien-Fang Peng, Su-Ling Wong, Chyi-Jia Wang, Tsutomu Ishikawa, Hung-Yi Huang, Si Chen, Ming-Jen Cheng, Chin-Chung Wu
Publikováno v:
Phytochemistry. 93:203-209
Bioassay-guided fractionation of roots from Piper taiwanense led to isolation of three neolignans, diallylcatechol ( 1 ) and neotaiwanensols A, B ( 2 , 3 ), two diphenylpropanoid ethers, taiwandimerols A, B ( 4 , 5 ), with one phenylpropanoid, 2,3-di
Publikováno v:
Food Chemistry. 135:2904-2909
The fruits of Persea americana (Avocado) are nowadays used as healthy fruits in the world. Bioassay-guided fractionation of the active ethyl acetate soluble fraction has led to the isolation of five new fatty alcohol derivatives, avocadenols A-D (1-4
Secondary metabolites from the stems of Engelhardia roxburghiana and their antitubercular activities
Autor:
Ho-Chen Wu, Ming-Jen Cheng, Chien-Fang Peng, Shyh-Chyun Yang, Hsun-Shuo Chang, Chu-Hung Lin, Chyi-Jia Wang, Ih-Sheng Chen
Publikováno v:
Phytochemistry. 82:118-127
Engelharquinone (1), engelharquinone epoxide (2), engelharolide (3), and engelhardic acid (4), were isolated as naturally occurring products from a plant source, Engelhardia roxburghiana together with 20 previously known compounds, four of which were