Zobrazeno 1 - 10
of 19
pro vyhledávání: '"P. R. van Heerden"'
Autor:
Bamigboye J. Taiwo, Alex H. Miller, Alistair J. Fielding, Satyajit D. Sarker, Fannie R. van Heerden, Amos A. Fatokun
Publikováno v:
Heliyon, Vol 10, Iss 1, Pp e23335- (2024)
Ceiba pentandra (L.) Gaertn. (Bombacaceae) is popular for the quality of its wood. However, its leaf, stem bark and root bark have been popular in ethnomedicine and, apart from the inflorescence, have been subject of extensive phytochemical investiga
Externí odkaz:
https://doaj.org/article/48855b0c657a440aaa6ce2829baed3f7
Autor:
Rayhaan Perin, Katie Cole, Michael R. van Heerden, Andy Buffler, Yi-Yu Lin, Jiahao Zhang, Pablo R. Brito-Parada, Jonathan Shock, Stephen W. Peterson
Publikováno v:
Applied Sciences, Vol 13, Iss 11, p 6690 (2023)
Positron emission particle tracking (PEPT) has offered important insights into the internal dynamics of multiphase flows. High precision and frequency measurements of the location of the tracer particle are required to resolve individual eddies at th
Externí odkaz:
https://doaj.org/article/e0863401af2a4eebbc058838745d199e
Publikováno v:
BMC Complementary Medicine and Therapies, Vol 20, Iss 1, Pp 1-9 (2020)
ABSTRACT Background The leaf of Anacardium occidentale L. has been a component of many herbal recipes in South-Western Nigeria. The work reported herein, therefore, explored the phytochemical composition of this plant and the potential anti-cancer ac
Externí odkaz:
https://doaj.org/article/c992873c19a843cb9f04a9ce85faab0b
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 16, Iss 1, Pp 190-199 (2020)
4-(2-Fluorophenyl)-7-methoxycoumarin (6) was synthesized by Pechmann reaction under mild conditions via a three-step reaction. The solution-state 1H NMR spectra of 6 showed a strong intramolecular interaction between F and H5 (JFH = 2.6 Hz) and 13C N
Externí odkaz:
https://doaj.org/article/2a2694ac20ce4ab8943570382789bac1
Autor:
Nasir Tajuddeen, Fanie R. Van Heerden
Publikováno v:
Malaria Journal, Vol 18, Iss 1, Pp 1-62 (2019)
Abstract Background Malaria remains a significant public health challenge in regions of the world where it is endemic. An unprecedented decline in malaria incidences was recorded during the last decade due to the availability of effective control int
Externí odkaz:
https://doaj.org/article/e58b1bb132984b9da3452d1f82bd661d
Publikováno v:
Pharmaceuticals, Vol 15, Iss 4, p 470 (2022)
Vachellia xanthophloea is used in Zulu traditional medicine as an antimalarial remedy. A moderate antiplasmodial activity was previously reported for extracts of the plant against D10 Plasmodium falciparum. This study aimed to identify the phytochemi
Externí odkaz:
https://doaj.org/article/31910f8bd0f142169e006ad99cdd542a
Publikováno v:
Molecules, Vol 26, Iss 13, p 3875 (2021)
Ethnobotanical surveys indicate that the Masai and Kikuyu in Kenya, the Venda in South Africa, and the Gumuz people of Ethiopia use Pappea capensis for the treatment of malaria. The present study aimed to investigate the phytochemical and antiplasmod
Externí odkaz:
https://doaj.org/article/918253d275cc40b0ace8e08b6ee9d03c
Publikováno v:
South African Medical Journal, Vol 107, Iss 11, Pp 976-982 (2017)
Background. Premature infants are at risk of sensory processing difficulties and developmental delays due to an immature central nervous system and possible episodes of medical instability, discomfort, pain and stress during the first weeks or months
Externí odkaz:
https://doaj.org/article/ddcca96a942d4ff6a179bb5e479b945b
Autor:
Monica M. Ndoile, Fanie R. van Heerden
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 9, Iss 1, Pp 1346-1351 (2013)
The first total syntheses of ochnaflavone, an asymmetric biflavone consisting of apigenin and luteolin moieties, and the permethyl ether of 2,3,2'',3''-tetrahydroochnaflavone have been achieved. The key steps in the synthesis of ochnaflavone were the
Externí odkaz:
https://doaj.org/article/61cb5361178d482294e6db0536ac6ae0
Publikováno v:
Molecules, Vol 18, Iss 4, Pp 4739-4765 (2013)
The application of the Suzuki-Miyaura reaction in the synthesis of flavonoids, an important class of natural products, is reviewed. This reaction has not only been employed to provide access to flavonoid nuclei, but has also been applied to the synth
Externí odkaz:
https://doaj.org/article/d57feb5032d04d49b8ef68f8bfcf6421