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Publikováno v:
Optik. 261:169190
Publikováno v:
Zhongguo shi yan xue ye xue za zhi. 27(6)
To analyze the effect of down-regulating the CD59 gene expression by RNAi lentivirus as vector on Jurkat cell line of acute T-lineage leukemia.The expression of CD59 in Jurkat cell line of acute T-line leukemia was induced to decrease by RNAi lentivi
Publikováno v:
Advanced Materials Research. :612-618
Uniaxial creep tests on micro-regions of P92 steel base metal and welding HAZ specimens were carried out at 923 K and under different stress levels. The creep equation of index of B and n was obtained from the test data fitted by using least square m
Publikováno v:
Phytochemistry. 67:497-503
As part of an ongoing study of traditional Chinese medicinal plants, the root tissue of Salvia miltiorrhiza was further investigated for its chemical constituents. Five naturally occurring products along with 13 known constituents were isolated from
Publikováno v:
Journal of Bacteriology. 188:456-463
Plumbagin is found in many medicinal plants and has been reported to have antimicrobial activities. We examined the molecular responses of Escherichia coli to plumbagin by using a proteomic approach to search for bacterial genes up-regulated by the d
Publikováno v:
Journal of Natural Products. 66:1175-1180
Bioassay-directed fractionation of Saussurea lappa led to the isolation of a novel lappadilactone (1) and seven sesquiterpene lactones (2-8) as cytotoxic principles against selected human cancer cell lines. Lappadilactone (1), dehydrocostuslactone (2
Publikováno v:
Naunyn-Schmiedeberg's Archives of Pharmacology. 362:82-90
The cytotoxic effects of ginkgetin, a natural biflavone isolated from Selaginella moellendorffii Hieron, were evaluated by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay in three different human cell lines: ovarian adenocarc
Publikováno v:
Life Sciences. 61:2335-2344
Polygonum hypoleucum Ohwi (P. hypoleucum Ohwi) has been used as a Chinese medicine for a long time. In the present study, four anthraquinones, emodin, emodin 1-O-beta-D-glucoside (49A), physcion (62A), and physcion 1-O-beta-D-glucoside (50A) were ide
Autor:
Chang-Ming Sun, Robert F. Toia
Publikováno v:
Journal of Natural Products. 56:953-956
The biosynthesis of mellein [3] which occurs in the Australian ponerine ant Rhytioloponera chalybata was studied by feeding the ants with an aqueous solution of sodium [1,2- 13 C 2 ]acetate. During this work, a further component not previously noted