ABSTRACT Because of the severity of heavy metal contamination and potential adverse health impact on the public, tremendous efforts have been made to purify waters containing toxic metal ions. Biosorption is presented as an alternative to traditional physicochemical means for removing toxic metals from groundwaters and wastewaters. Removal of lead from solution was studied using growing cells a...

The main aim of this study was to purify Catechol 1, 2 dioxygenase from phenol utilizing Rhodococcus sp. NCIM 2891 which is basically an organism used wide for desulfurization purposes like desulfurization of diesel. The organism was cultivated in minimal medium supplemented with 500 mg/L phenol, as a sole carbon source. The temperature of incubation was 30oC at pH 7.0±0.2. The growth and pheno...

Herrero N, Pérez R, Oleaga A, Zabalgogeazcoa I. 2011. Tick pathogenicity, thermal tolerance and virus infection in Tolypocladium cylindrosporum. Annals of Applied Biology 159:192-201. Tolypocladium cylindrosporum is a fungus which has been isolated from soil, from asymptomatic plants as an endophyte, and has been shown to be pathogenic to several species of arthropods. The objective of the pres...

The aim of our study was to identify the methanotrophic group of bacteria inhabiting coal mine rocks at the Jastrzębie-Moszczenica (Jas-Mos) coal mine, by application of molecular techniques: polymerase chain reaction (PCR) and fluorescence in situ hybridization (FISH). In the first stage of the experiment, methanotrophic activity (AM) of the rock material at different temperatures (20 and 30oC...

Background: Enzyme production by solid state bioprocess (SSB) using residues as substrate for microorganisms is an alternative for costs reduction and to avoid their disposal into environment. The aim of this work was to evaluate the physiology of the fungus Lichtheimia ramosa in terms of microbial growth and production of amylases, β-glucosidases, carboxymethylcellulase (CMCase), and xylanases...

Gelatin, chitosan and hyaluronic acid are natural components used to prepare polymeric scaffold in tissue engineering. The physical properties of these materials confer an appropriate microenvironment for cells, which can be used as a regeneration system for skin and cartilage. In this work, we prepared and characterized a Gelatin/Chitosan/Hyaluronan lyophilized-polymer. Physical properties of ...

The direct impact of refrigerants on the environment is largely dependent magnitude global warming potential (GWP) values. In this regard, fluids with low GWP are very important for environment. Commercial refrigeration accounts about a third world's HFC use. R404A derived near an azeotropic mixture. refrigerant widely used in commercial systems, especially supermarkets. As result use cooling s...

A microhotplate array comprising four 100 μm × 100 μm unit cells has been designed. It has a multi-layer structure: Sithermal oxide-polySi-PECVD (plasma enhanced chemical vapour deposition) oxide-Sputtered Pt-Gas sensing film (SnO2). Electro-thermal simulation of the unit cell has been carried out using ANSYS. The simulations show that for an applied bias of 4 V a mean temperature of 706oC is o...

β-carotene is a commonly used food colorant. In this work, a novel β-carotene producing strain, Serratia marcescens RB3, was isolated and identified by physiological and biochemical tests, as well as 16S rDNA sequence analysis. The production of β-carotene by S. marcescens RB3 was identified through HPLC analysis. The cultivation conditions for β-carotene production by S. marcescens RB3 were op...

internationally boarder and Manipur, Assam, and Tripura national boarder. The climate is mild and temperature ranges from 11 to 210 C in winter and 20 to 30oC in summer. Monsoon starts from June and lasts till the month of August. The average rainfall is around 2500mm. Major crops grown in the state are paddy, maize, mustard, sugarcane, sesame, fibber less ginger and potatoes. In the state ther...