Gold bioleaching of electronic scrap material by cyanogenic bacteria and its enhancement with biooxidation

... major types of deposits: gold- quartz lodes and fossil placers Contribution of other deposits is very small Gold usually exists in the form of native gold and electrum (alloy of gold and silver) ... applied in the bio-mining of precious metals from such wastes This project focused on the bioleaching of gold from ESM by cyanogenic bacteria and its enhancement by biooxidation The ESM used ... REVIEW 2.1 Electronic Scrap Material (ESM) as a secondary gold ore 2.1.1 Economic value of gold 2.1.2 Gold in electronic devices 2.1.3 Electronic Scrap Material 2.2 Metallurgical recovery of metals...

Báo cáo y học: " Distribution of hepatitis C virus genotypes in patients infected by different sources and its correlation with clinical and virological parameters: a preliminary study" pptx

... http://www.comparative-hepatology.com/content/5/1/4 body), splenomegaly, ascitis, edema, cirrhosis, grade and stage of liver biopsy, and child score and status (inactive, chronic, cirrhotic and active) of ... molecular epidemiology of HCV by the introduction of subtype 1a and 3a from USA and Southeast Asia into their young drug addicts [44] Our results are in accordance with the predominance of genotype ... SM, Kafaee J, Yektaparast B, Hajarizadeh B, Doroudi T: The efficacy of blood donor screening in reducing the incidence of hepatitis C virus infection among thalassemic patients in Iran Transfusion...

Báo cáo khoa học: Crystal structures of the apo form of b-fructofuranosidase from Biﬁdobacterium longum and its complex with fructose pot

... native enzyme and its complex with the product of hydrolysis – fructose The crystals of rafﬁnose ($ 0.1 mg) were added to the crystallization drop with the apo crystals of b-fructofuranosidase ... of fructose The leaving group is carboxylate of Asp54 Dimerization The asymmetric units of the crystals of both the apo and complexed form of the enzyme consist of dimers with noncrystallographic ... fragments and ﬁtting them to the electron density maps The crystal structure of the complex of b-fructofuranosidase with fructose was solved by molecular replacement using the crystal structure of the...

Tài liệu Báo cáo khoa học: Steady-state and time-resolved ﬂuorescence studies of conformational changes induced by cyclic AMP and DNA binding to cyclic AMP receptor protein from Escherichia coli ppt

... cyclic AMP receptor protein from Escherichia coli J Biochem 266, 545552 14 Wasylewski, M., Maecki, J & Wasylewski, Z (1995) Fluorescence study of Escherichia coli cyclic AMP receptor protein J Protein ... cAMP binding to the anti-cAMP -binding sites of CRP, which in turn trigger specic pathways of signal transmission from the cyclic nucleotide -binding domain to the DNA- binding domain of the protein ... calculated to be 26.6 A This distance decreases by about A to 18.7 A on binding of cAMP to the anti-cAMP -binding sites of the protein The distance between the sulfur atom of Cys178 and the C9C10...

Best Practices in Social Media / Summary of Findings from the Second Comprehensive Study of Social Media Use by Schools, Colleges and Universities docx

... CASE Social Media Survey • Summary Topline Findings • April 13, 2011 Overview of findings Background Slover Linett Strategies Inc and mStoner partnered with CASE for the second year in a row in ... the interest in this topic We are just beginning to mine the data from this second round of research and will be releasing a full white paper later in the year If you’re interested in receiving ... for successful use of social media 3% 10% 62% 22% 3% CASE Social Media Survey • Summary Topline Findings • April 13, 2011 13 Which of the following you use the most in meeting your unit's goals?...

Báo cáo khoa học: Structures and mode of membrane interaction of a short a helical lytic peptide and its diastereomer determined by NMR, FTIR, and ﬂuorescence spectroscopy pdf

... the a helical structure is not a prerequisite for maintaining an interface localization of a peptide In summary, the structural and functional analyses of the all-L-amino acids peptide and its diastereomeric ... and lytic capabilities have not been determined In this study we analyze in detail the structural properties and interactions of a model amphipathic a helical cytolytic peptide and its diastereomeric ... native [all L-amino acid] model peptide K4L7W and its diastereomeric analog The data shed new light on the structural features of the membrane- bound peptides and their organization, and point to...

Báo cáo khoa học: Signalling and regulation of collagen I synthesis by ET-1 and TGF-b1 doc

... values TGF-b1 signalling was affected similarly, with no effect by inhibiting PLC-b (Fig 5A), strong down -regulation of collagen I levels after inhibition of PC-PLC (Fig 5B), and similar collagen I ... subunit of Gai [45] was inhibited speciﬁcally by U73122 [46] Inhibiting PLC-b by U73122 did not alter ET-1- induced collagen I synthesis, nor did it inﬂuence basal or TGF-b1- stimulated collagen I ... investigations should reveal if ET-1 elicits induced collagen I synthesis solely via induction of CTGF or via additional mechanisms as it is the case for TGF-b1 stimulation [2,55] In contrast to ET-1, ...

Báo cáo hóa học: " Quality of Life as reported by school children and their parents: a cross-sectional survey" docx

... scale (1 = "Never", = "Seldom", = "Sometimes", = "Often" and = "Always") Mean scores are calculated for each of the six subscales and for the total scale and linearly transformed to a – 100 scale ... 2005 Measures The Inventory for Assessing the Quality of Life (ILC) This measure was developed in Germany by Mattejat and colleagues as a short and practical assessment tool for children and adolescents ... 25 26 Chen X, Sekine M, Hamanishi S, Wang H, Gaina A, Yamagami T, Kagamomori S: Lifestyle and health-related quality of life in Japanese school children: a cross-sectional study Prev Med 2005,...

báo cáo hóa học: " Inhibition of secreted phospholipase A2 by neuron survival and anti-inflammatory peptide CHEC-9" docx

... models of neurodegenerative disease Neurodegeneration and PLA2 isoforms The survival- promoting and anti-inflammatory effects of CHEC-9 are most readily explained by the inhibition of PLA2 activity, ... systemic elevation of sPLA2s are associated with most forms of inflammation [1-5] The secreted isoforms are part of a growing family of PLA2 enzymes whose activity leads to the production of several ... oxidative stress, and therefore are consistent with the peptide' s performance in vivo Methods Sources and preparation of sPLA2 Purified secreted phospholipase A2 group I from the venom of the Mozambique...

báo cáo hóa học:" Women''''s quality of life is decreased by acute cystitis and antibiotic adverse effects associated with treatment" pptx

... Average Change in Quality of Well Being Score from Baseline p = ...

Báo cáo hóa học: " Nanoscale chemical and structural study of Cobased FEBID structures by STEM-EELS and HRTEM" pptx

... deposit, a thorough chemical and structural analysis at the nanoscale has been performed by means of EELS and HRTEM Together with the chemical analysis of the inner part of each deposit, spatially ... quantification of the relative amounts of each element, with a collection angle of 24 mrad and a convergence angle of 7.5 mrad Both types of experiments had an acquisition time of 0.8 s/spectrum Results and ... where a 19% O content is observed On the other hand, to understand the oxidation state of Co, the study of the L2,3 edge of cobalt and the K edge of oxygen in the EELS spectra can be very useful...

báo cáo hóa học: " Review of “Healing the Herds: Disease, Livestock Economies, and the Globalization of Veterinary Medicine” edited by Karen Brown and Daniel Gilfoyle" doc

... Catley: Review of “Healing the Herds: Disease, Livestock Economies, and the Globalization of Veterinary Medicine” edited by Karen Brown and Daniel Gilfoyle Pastoralism: Research, Policy and Practice ... the veterinary focus of the book, this wellresearched chapter reinforces a general pattern of negative attitudes towards pastoralism by government When introducing the book, Karen Brown and Daniel ... recent debates about pastoralism, the book is a useful resource for understanding the history of livestock disease policies in specific countries and the long history of disease control priorities...

Avalanche Dynamics Dynamics of Rapid Flows of Dense Granular Avalanches by SP Pudasaini and Kolumban Hutter_1 docx

... report, Director of WES was Dr Robert W Whalin Commander was COL Bruce K Howard, EN ntroduction Background Shocks in fluids result from fluid flow that is more rapid than the speed of a compression ... and speed will be incorrect It is important that the discrete numerical operations preserve the Rankine-Hugoniot condition (Anderson, Tannehill, and Plekher 1984) resulting from integration by ... approached this problem within the finite elements method by the development of a single test function that reflects the speed of fluid transport (the SUPG scheme, Streamline llpwind Eetrov-Galerkin)...

Avalanche Dynamics Dynamics of Rapid Flows of Dense Granular Avalanches by SP Pudasaini and Kolumban Hutter_3 ppt

... where the subscripts t and x represent partial derivatives with respect to time and space, respectively, and Uo = the advection velocity, which here is a constant C = some species concentration ... method of Courant, Isaacson, and Rees (1952) for one-sided differences These ideas were expanded to more general problems by Moretti (1979) and Gabutti (1983) as split-coefficient matrix methods and ... following: P where A = IA is the matrix of eigenvalues of A and P and P- are made up of the right and left eigenvectors Chapter Numerical Approach A=P-'AP where and A1=U+C h;?=u-C A3 = U C = (gh)1t2...

Avalanche Dynamics Dynamics of Rapid Flows of Dense Granular Avalanches by SP Pudasaini and Kolumban Hutter_4 ppt

... shock vicinity, respectively With Manning's n and viscosity of 0.0 there is no dissipation in the shallow-water equations Figures 6-8 and 9-11 show the center-line profile over time of these tests ... overshoot of the jump, though there is some undershoot when C, is less than Cs is the product of the analytic shock speed and the ratio of time-step length to element length A C, value of indicates ... element length in time-step Figures 12 and 13 show the error in calculated speed and the relative error in calculated speed, respectively These are for AX = 0.4, 0.8 and 1.0 m which is reflected in...

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