Zobrazeno 1 - 10
of 2 553
pro vyhledávání: '"Structural Identification"'
Publikováno v:
Shipin Kexue, Vol 45, Iss 20, Pp 48-56 (2024)
In this study, the solvent extraction and purification of flavonoids from three cultivars (coded as 1, 2 and 3) of Coreopsis tinctoria Nutt. were optimized based on the content of total flavonoids and 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scav
Externí odkaz:
https://doaj.org/article/4521c2bc19764b9dabd4112143563d07
Publikováno v:
Acta Pharmaceutica Sinica B, Vol 14, Iss 9, Pp 4045-4058 (2024)
Although serving as the workhorse, MS/MS cannot fully satisfy the analytical requirements of quantitative sub-metabolome characterization. Because more information intrinsically correlates to more structural and concentration clues, here, efforts wer
Externí odkaz:
https://doaj.org/article/c6d508e887d941d88e50cc67ef1cb869
Autor:
Yoyo Hinuma, Hiroyuki Ozaki
Publikováno v:
Science and Technology of Advanced Materials: Methods, Vol 4, Iss 1 (2024)
We present an advanced algorithm that systematically identifies Bravais lattices from diffraction data, such as powder X-ray, as these data are crucial for new material development. The algorithm efficiently generates an ‘augmented lattice’ with
Externí odkaz:
https://doaj.org/article/962d6a6293d94eb29bb73e637dcaa8cb
Publikováno v:
Essays in Honor of Subal Kumbhakar
Publikováno v:
Shipin gongye ke-ji, Vol 45, Iss 13, Pp 257-264 (2024)
In order to study the effective method of the enrichment and purification of anthocyanin in black wolfberry and mulberry, and identify the structure of anthocyanin, the black wolfberry and mulberry extracts were purified by macroporous resins. The ad
Externí odkaz:
https://doaj.org/article/e2fccf072c3b42ef8146fd74031ae392
Publikováno v:
智能科学与技术学报, Vol 6, Pp 253-261 (2024)
The concentration of nitrogen dioxide (NO2) in the air significantly affects environmental protection and public health. Current methods for NO2 concentration prediction lack sufficient characterization of spatiotemporal correlations. Therefore, this
Externí odkaz:
https://doaj.org/article/606f2ac38796487eb18ea4072528acfc
Publikováno v:
Guangxi Zhiwu, Vol 44, Iss 6, Pp 1159-1169 (2024)
In order to study the chemical constituents from Chloranthus henryi and their antitumor activities in vitro. The chemical constituents of ethyl acetate fraction, extracted with 95% ethanol from C. henryi were isolated and purified by silica gel colum
Externí odkaz:
https://doaj.org/article/03f55a1534f345cdb6c769545048f07e
Publikováno v:
Guangxi Zhiwu, Vol 44, Iss 6, Pp 1072-1080 (2024)
Potentilla kleiniana belongs to the family Rosaceae, which distributes in Central Asia, East Asia and Southeast Asia. In China, this plant is mainly found in east, south and southwest provinces. P. kleiniana has been prescribed for the treatment of v
Externí odkaz:
https://doaj.org/article/1f66ff517ac9466491addfe2bb2066cb
Publikováno v:
Guangxi Zhiwu, Vol 44, Iss 6, Pp 1017-1027 (2024)
Ligularia virgaurea is one of the original plants of the Tibetan medicine “Rixiao” for the treatment of clearing heat and removing yellow water. In order to study the chemical constituents and anti-inflammatory activity of L. virgaurea, the compo
Externí odkaz:
https://doaj.org/article/e1fb676fd8ba4a85a327b1376a087036
Autor:
Kai-long YUAN, Jun-chen ZHU, Yue XIE, Hua-bing LIU, Hui-qing JIN, Cui-rong SUN, Xiao-bing ZHANG, Hong-ru FENG, Yuan-jiang PAN
Publikováno v:
Zhipu Xuebao, Vol 45, Iss 3, Pp 375-385 (2024)
Sugar esters in tobacco play an important role as precursors generating tobacco aroma species, and their presence significantly influence the quality of tobacco leaves. Typically present in trace amounts, sugar esters in tobacco exhibit a diverse ran
Externí odkaz:
https://doaj.org/article/c473cf8a5a1941d6958dd482ef9b8e42