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Now available on Fast Track: Egg size and shape variation in Rufous Bush Chats (Cercotrichas galactotes) breeding in date palm plantations: hatching success increases with egg elongation

Posted on 23. April, 2018.

In oviparous taxa such as birds, clutch characteristics (e.g. egg size, egg mass and the number of eggs) can be considered as energetic investment in reproduction. In this paper, we study variation in the principal component indices of egg size and shape in Rufous Bush Chats (Cercotrichas galactotes) breeding in date palm plantations in the Al Amri Oasis, north Algeria, in 2008–2009 and 2011–2013.

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Contents: Journal Of Chemical Research Volume 35 Issue 10 2011

Posted on 29. November, 2011.

This journal is covered by the following secondary information sources: Chemical Abstracts, Current Contents, Current Abstracts of Chemistry/Index Chemicus, Current Chemical Reactions, Current Bibliography on Science and Technology, Science Citation Index, Bulletin Signalétique, Referativnyi Zhurnal and ChemInform.

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A new labdane diterpene from Rauvolfia tetraphylla Linn. (Apocynaceae)

Posted on 24. November, 2011.

Rauvolfia tetraphylla Linn. (syn. R. canescens L., family: Apocynaceae) holds an important position in the Indian traditional system of medicine, and has other immense applications. This particular plant is regarded as a rich source of a wide variety of important alkaloid constituents such as reserpine, reserpiline, raujemidine, isoreserpiline, deserpidine, aricine, ajmaline, ajmalicine, yohimbines, serpentine, sarpagine, vellosimine and tetrphylline. However, there is no report on the terpenoid constituent from this plant, and we report the isolation from the air-dried stems and branches of R. tetraphylla and structural elucidation of a new labdane diterpene, 3-hydroxy-labda-8(17),13(14)-dien-12(15)-olide (1; Fig. 1) bearing  an unusual -lactone moiety.

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Impact of fluorides on the removal of heavy metals from an electroplating effluent using a flocculent brewer's yeast strain of Saccharomyces cerevisiae

Posted on 16. November, 2011.

Effluents from electroplating industries contain large amounts of heavy metals. These must be treated before discharge into aquatic systems to prevent serious environmental damage. The yeast Saccharomyces cerevisiae, a byproduct of fermentation industries, combines high metal accumulation with low costs. However, an article in issue 4 of Chemical Speciation and Bioavailability explains how the fluoride anions present in the effluent may preclude bioremediation of chromium(III) by yeast cells.

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Contents: Chemical Speciation And Bioavailability Volume 23 Issue 4 2011

Posted on 15. November, 2011.

Chemical Speciation & Bioavailability covers all aspects of environmental science and pollution.

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Contents: Progress In Reaction Kinetics And Mechanism Volume 36 Issue 4 2011

Posted on 15. November, 2011.

Progress in Reaction Kinetics and Mechanism presents results from the fields of kinetics and mechanisms of chemical processes in the gas phase and solution of both simple and complex systems.

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Radiolabelling measurements of free radicals derived from aromatic volatile organic compounds adsorbed in zeolite nanomaterials to and above saturation loadings

Posted on 10. November, 2011.

Benzene, para-xylene and mesitylene were adsorbed into silicalite, Na – mordenite, Na – ZSM5 and Li –X zeolites, and studied using the longitudinal field muon spin relaxation (LF-mSRx) technique.

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Isolation and identification of antibiotic albaflavenone from Dictyophora indusiata

Posted on 3. November, 2011.

Dictyophora indusiata is a stinkhorn fungus growing in bamboo thickets which has been used as ingredient in Chinese traditional foods for a very long time due to it delicious taste and high nutritional value. It has become a popular ingredient in Chinese cuisine because advances in its cultivation since 1979 have made it cheap and easily available. It has been observed that the broth could stay unspoiled for several days if D. indusiata were added. It has been widely recognised in Chinese folk medicine that D. indusiata has beneficial effects on some diseases, such as cough, inflammation, diarrhoea and bacterial enteritis. The chemical components and antibacterial activity of extracts of D. indusiata have been reported previously, but the components which have antibacterial activity are still unknown.

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Kinetic modelling using PAN

Posted on 28. October, 2011.

A kinetic model described in the latest issue of Progress in Reaction Kinetics and Mechanism expresses the oxidation of maleic acid in solution using a novel modified PAN catalyst/hydrogen peroxide system. This model provides a superior fit to the experimental data compared to kinetic constants from the literature.

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