Results 71 to 80 of about 723,466 (203)

Production and characterization of activated carbons made from sunflower stems [PDF]

open access: yes, 2012
Activated carbons (ACs) are artificial materials, prepared from natural or synthetic precursors that are worldwide extensively used. The ACs main characteristics are the noticeable adsorption capabilities provided by the highly developed porous structure
Carrott, Peter   +3 more
core  

Facile synthetic procedure for and electrochemical properties of hexa(2-thienyl)benzenes directed toward electroactive materials [PDF]

open access: yes, 2008
In the presence of RhCl3 center dot 3H(2)O and i-Pr2NEt, the cyclotrimerization of di(2-thienyl)acetylenes proceeded smoothly to afford hexa(2-thienyl)benzenes.
Abruña   +22 more
core   +1 more source

Structure determination of a 4-pyrone from the liverwort Plagiochila bifaria (Sw.) Lindenb. (Plagiochilaceae) [PDF]

open access: yes, 2008
The centenary of the presentation in 1907 of the "polyketide" hypothesis by Collie, along with his use of a 4-pyrone as an example, is marked by reporting the discovery and isolation of 2-(3,4-dimethoxyphenethyl)-6-methyl-4-pyrone from <i> ...
Rycroft, D.S.
core  

CHEMISTRY OF NATURAL PRODUCTS

open access: yes
Natural products have always captivated the imagination of scientists, researchers, andenthusiasts alike. They are the Earth's rich reservoir of chemical diversity, offering a vast arrayof compounds with fascinating structures and often remarkable biological activities.
Mrs Sandhya Kota   +3 more
openaire   +2 more sources

The Philosophy of Natural Product Chemistry [PDF]

open access: yesNature, 1955
The Structural Relations of Natural Products Being the First Weizmann Memorial Lectures, December, 1953. By Sir Robert Robinson. Pp. xii + 150. (Oxford: Clarendon Press; London: Oxford University Press, 1955.) 25s. net.
openaire   +2 more sources

Chemical investigation of a biologically active schinus molle L. leaf extract [PDF]

open access: yes, 2019
The pepper tree Schinus molle L. is an evergreen ornamental plant belonging to the Anacardiaceae family, native to South America and widespread throughout the world. It has biological activities and is used in folk medicine. This paper aims to contribute
Garzoli, S.   +5 more
core   +1 more source

Active invasion of bacteria into living fungal cells

open access: yeseLife, 2014
The rice seedling blight fungus Rhizopus microsporus and its endosymbiont Burkholderia rhizoxinica form an unusual, highly specific alliance to produce the highly potent antimitotic phytotoxin rhizoxin.
Nadine Moebius   +4 more
doaj   +1 more source

Studies of chemical speciation in naturally anoxic basins [PDF]

open access: yes, 1980
The chemical speciation of both metals and non-metals, the use of polarographic techniques, and application to the study of the chemistry of anoxic waters are considered.
Davison, W.
core  

Unification Achieved: William Cullen’s Theory of Heat and Phlogiston as an example of his Philosophical Chemistry [PDF]

open access: yes, 2006
William Cullen, lecturer in chemistry at Glasgow and Edinburgh Universities, spent many years formulating his own theory of heat and combustion, the most developed version of which appears in a little-known set of lecture notes of 1765.
Taylor, G
core   +1 more source

Home - About - Disclaimer - Privacy