Chemistry
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Theoretical studies on the pKa values of perfluoroalkyl carboxylic acids: Chain helicity
Semiempirical, ab initio, and density functional theory (DFT) studies were conducted on a homologous series of straight chain perfluoroalkyl carboxylic acids (PFCAs) ranging in chain length from C~...
Received 06 October 2009 04:37 UTC; Posted 06 October 2009
Posted to: Chemistry, Earth & Environment
Iron (FeSO4) Bioavailability in Obese Subjects Submitted to Bariatric Surgery
Objective: To determine iron bioavailability in obese subjects after the ingestion of a nutritional supplement containing multiple nutrients. Methods: Fourteen persons were studied before and after…
Received 19 September 2009 19:27 UTC; Posted 21 September 2009
Posted to: Biotechnology, Chemistry, Developmental Biology
Eutrophication: Can nanophosphorous control this menace?
Eutrophication is a threat to quality of surface and ground water bodies (SWB) and to bio-diversity of the aquatic eco-system. One of the causes of P accumulation in SWB is its excess application a…
Received 15 September 2009 05:18 UTC; Posted 16 September 2009
Posted to: Chemistry, Ecology, Earth & Environment
Modeling the hydrolysis of perfluorinated compounds containing carboxylic and phosphoric acid ester functions, alkyl iodides, and sulfonamide groups
Temperature dependent rate constants were estimated for the acid- and base-catalyzed and neutral hydrolysis reactions of perfluorinated telomer acrylates (FTAcrs) and phosphate esters (FTPEs), and …
Received 08 September 2009 02:37 UTC; Posted 08 September 2009
Posted to: Chemistry, Earth & Environment
Technical Comments on “Greater Transportation Energy and GHG Offsets from BioelectricityThan Ethanol”
Campbell et al. [Report in Science 2009 (May 22), 324, 1055] analyzed two scenarios where bioenergy crops were used for transportation – (1) cellulosic ethanol production by biorefineries for inte…
Received 06 September 2009 15:04 UTC; Posted 07 September 2009
Posted to: Biotechnology, Chemistry, Earth & Environment
Polymerase-endonuclease amplification reaction for large-scale enzymatic production of antisense oligonucleotide
Synthetic oligonucleotides are contaminated with highly homologous failure sequences. Oligonucleotide synthesis is difficult to scale up because it requires expensive equipments, hazardous chemical…
Received 02 September 2009 04:00 UTC; Posted 02 September 2009
Posted to: Biotechnology, Chemistry, Pharmacology
Investigation of the Adsorption Characteristics of Antimony, Cadmium, and Lead by Nano- and Microparticle Titania
The utilization of nanotechnology is expected to rise greatly within the next decade. The increasing ubiquity of nanotechnology, coupled with the fact that the toxicity of a nanomaterial is partial…
Received 29 August 2009 12:58 UTC; Posted 01 September 2009
Posted to: Chemistry
Discovery of multiple lead compounds as M2 inhibitors through the focused screening of a small primary amine library.
The discovery of new anti-influenza drugs is urgent, particularly considering the recent threat of swine flu. In this study, the influenza virus M2 protein was expressed in HEK293 cells and shown t…
Received 26 August 2009 10:54 UTC; Posted 26 August 2009
Posted to: Chemistry, Pharmacology
Development and Characterization of Eudragit RS 100 Loaded Microsponges and its Colonic Delivery Using Natural Polysaccharides
In the present work, paracetamol loaded eudragit based microsponges were prepared using quasi-emulsion solvent diffusion method. The compatibility of the drug with various formulation components wa…
Received 22 August 2009 12:42 UTC; Posted 24 August 2009
Posted to: Chemistry, Pharmacology
Inhibition of Acid Phosphatase Enzyme Activity in the Presence of Noncrystalline Calcium Phosphate and Nanocrystalline Calcium Apatite: a Preliminary Study
BackgroundOur bones are remodelled repeatedly during life. A new and “healthy” bone tissue replaces the old one. Accordingly, the bone degrading cells, the osteoclasts, prefer old and fatigued …
Received 20 August 2009 11:52 UTC; Posted 20 August 2009
Posted to: Chemistry, Molecular Cell Biology
