... of urban soils in China (Lu, 2000) The objective of this study was to determine the total Cu, Zn, Pb and Cr concentrations and chemical speciation of urban soils in Nanjing, China Materials and ... for Cu, Zn, Pb and Cr are 0.997, 0.989, 0.990 and 0.986 ( P < 0.01), respectively The Cu, Zn, Pb and Cr fractions expressed as amounts and percentages of the sum of individual chemical fractions ... Group of Natural Background Values of Soil and Academia Sinica (1979) Liu (1996) concentration is triple the mean value of soils in China and twice as much as the natural background value of soils...
Ngày tải lên: 15/03/2014, 23:22
... stress after 15 days of treatment of the internodes and (I4-5) and the lowest internodes (LI) Results are presented as the ratio of expression of each gene (relative to that of GAPDH) in water ... Q124, Q165, and Q200 A the progenitor species of commercial cultivars S officinarum clones Badilla, IJ76-237, IJ76-567, NG51-99, NG77-98, and S spontaneum clones Mandalay and SES106, and an Erianthus ... described by Albertson and Grof [58] and quantified by Empower software http://www.waters.com using standard curves calculated from external standards that were processed for each group of ten experimental...
Ngày tải lên: 11/08/2014, 11:21
báo cáo khoa học: "Identification of improved IL28B SNPs and haplotypes for prediction of drug response in treatment of hepatitis C using massively parallel sequencing in a cross-sectional European cohor" pot
... University of Queensland, School of Medicine, Princess Alexandra Hospital, Ipswich Road, Woolloongabba, Queensland 4102, Australia 15Gastrointestinal and Liver Unit, Prince of Wales Hospital and University ... University of Turin, Sacha Stelzer-Braid and Shona Fletcher from Prince of Wales Hospital; Tanya Applegate and Jason Grebely from the National Centre in HIV Epidemiology and Clinical Research and Mandvi ... breaking up of the large haplotype block and thus allowing inference of the relative effects of each SNP The task of demonstrating the basis for causality, even of haplotypes, is not trivial, and thus...
Ngày tải lên: 11/08/2014, 12:21
báo cáo khoa học: " Identification of Single Nucleotide Polymorphisms and analysis of Linkage Disequilibrium in sunflower elite inbred lines using the candidate gene approach" docx
... [46] and of 81 RFLP loci in 10 inbred lines [47] However, further investigation of the nature, frequency and distribution of sequence variation is still needed to better understand the range of ... thank Dr Andrea Puebla and and Pablo Vera for gene sequencing and Natalia Almasia and Florencia del Viso for critical reading of the manuscript This study is conducted within the frame of the Sunflower ... diversity and the origin of the genetic changes associated with domestication and agronomic improvement Indeed, the choice of germplasm is crucial for the discovery of useful alleles, and a genotypically...
Ngày tải lên: 12/08/2014, 05:20
Báo cáo y học: " Identification of biomolecule mass transport and binding rate parameters in living cells by inverse modeling" ppt
... average of the Laplace transform of the fluorescent intensity within the bleach spot, Feq and Ceq are equilibrium concentration of F and C, and I1 and K1 are modified Bessel functions of the first and ... relationship of the system and have reasonable scatter; (3) well-posedness of the inverse problem, which depends on the model structure, the quality and quantity of the input data, and the type of imposed ... protocols and mathematical modeling of the dynamics of intracellular biomolecules are key tools for understanding biological processes and identifying their relative importance One of the most...
Ngày tải lên: 13/08/2014, 16:21
Báo cáo y học: "Computational identification of developmental enhancers: conservation and function of transcription factor binding-site clusters in Drosophila melanogaster and Drosophila pseudoobscura" ppsx
... ones, and the span of all scaffolds is 139.3 Mbp.) All of our contigs and scaffolds are freely available by anonymous ftp at [66] Alignment and conservation of pCRMs The extent and pattern of conservation ... key regulators of early development, and the molecular biology and biochemistry of these factors and their target sequences have received a great deal of attention The spatial and temporal embryonic ... evaluation of the efficacy of computational methods for the identification of functional cis-regulatory modules in Drosophila Analysis of the in vivo activity of 36 high-density clusters of predicted...
Ngày tải lên: 14/08/2014, 14:21
Báo cáo y học: "Prediction and identification of Arabidopsis thaliana microRNAs and their mRNA targets" ppt
... 4) 18 19 20 MPSSlist list for candidates and Arabidopsisthe secondary target of A complete list of predicted target mRNAs and their pairing with Click hereofdataof ofknown structurestheirArabidopsis ... version of this paper: the complete list of predicted miRNAs (Additional data file 1); a full list of the secondary structures of predicted precursors of Arabidopsis miRNA candidates and their ... product of At3g26810 mRNA, and those of another two homologous genes, At1g12820 and TIR1 (At3g62980), to confirm them as targets of the same miRNA (miR393a) These genes encode Fbox proteins, and...
Ngày tải lên: 14/08/2014, 14:21
Báo cáo y học: "Transcriptional profiling of bovine intervertebral disc cells: implications for identification of normal and degenerate human intervertebral disc cell phenotypes" pdf
... pattern of expression, that is high expression of ACAN in NP and AC, high expression of type I collagen in AF compared with NP and AC, and high expression of versican (VCAN) in both NP and AF ... or protein profiles of IVD cells and AC cells Hypoxia inducible factor isoforms (HIF1A and HIF1B), glucose transporter type Page of 20 (GLUT-1), matrix metalloproteinase (MMP-2) and vascular ... between rat NP and AF cells and 41 genes between NP and AC cells with at least five-fold differences in expression A handful of these potential marker genes were further characterised and although...
Ngày tải lên: 12/08/2014, 11:23
Báo cáo y học: " Gene expression profiling of Hfe-/- liver and duodenum in mouse strains with differing susceptibilities to iron loading: identification of transcriptional regulatory targets of Hfe and potential hemochromatosis modifiers" pdf
... of genes and individual candidates that are involved in the perturbation of mechanisms of iron homeostasis that results from Hfe disruption, and to identify differences in gene expression profiles ... the release of excess iron [21] Somewhat unexpectedly, we observed significant downregulation of the sideroflexin gene (Sfxn2) and upregulation of the mitoferrin gene (Slc25a37) and the Bcrp ... eight D2) and 16 knockout mice (eight B6 and eight D2) Three mice in each of the four genotype/strain groups were used for genome-wide expression profiling, and five for validation of microarray...
Ngày tải lên: 14/08/2014, 08:20
Chemical analysis, identification and differentiation of gastrodia elata blume and other herbal medicines
... Detection and identification of marker compounds 67 3.2.5.1 UV library of chemical standards 67 3.2.5.2 RT and RRT of chemical standards 67 3.2.5.3 Peak identification 67 3.3 Results and discussion ... structures of tetrandrine, fangchinoline and aristolochic acid I 88 Figure 4.2 HPLC chromatograms of (a) reference standard of AAI and (b) reference herb of Guangfangji, and (c) Overlaid UV spectra of ... line) and that of AAI (broken line) The RT and UV spectrum of peak in Guangfangji match those of AAI 94 Figure 4.3 HPLC chromatograms of (a) reference standard of tetrandrine, (b) reference standard...
Ngày tải lên: 03/10/2015, 20:32
Discovery of lipid enzymes and their modulators using metabolite profiling of yeast (saccharomyces cerevisiae) mutants
... Tandem mass spectrometric identification of lipid species 32 Lipid profiling of single deletion mutant strains 33 3.3.1 Lipid profiling of strains in a random manner 33 3.3.2 Lipid profiling of ... 59 65 v SUMMARY Discovery of Lipid hydrolysing enzymes and their modulators using metabolite profiling of Yeast (Saccharomyces cerevisiae) mutants An understanding of glycerophospholipid metabolism, ... profile of a slc1 deletion mutant 31 3.2 Tandem mass spectrometric (MS-MS) identification 32 of lipid species with m/z value 835 3.3 Representative example of a comparative 34 phospholipid profiling...
Ngày tải lên: 04/10/2015, 16:03
09 Physical and Chemical Characteristics of DDGS revisions.
... Physical & Chemical Characteristics of U.S DDGS Physical and chemical characteristics of distiller’s dried grains with solubles (DDGS) vary among sources and can influence its feeding value and handling ... Physical & Chemical Characteristics of DDGS Particle Size, Bulk Density and pH Particle size and particle size uniformity of feed ingredients are important considerations of livestock and poultry ... size (geometric mean), the coefficient of variation (CV) and 08 - Physical & Chemical Characteristics of DDGS standard deviation (SD) of particle size within and among ethanol plants were calculated...
Ngày tải lên: 08/08/2012, 10:03
Báo cáo y học: "Identification of clinical and simple laboratory variables predicting responsible gastrointestinal lesions in patients with iron deficiency anemia"
... yield of endoscopy in patients with IDA and to define predictive factors of gastrointestinal (GI) lesions causing IDA and identify clinical and biochemical variables that predict the outcome of ... endoscopic and radiographic Asymptomatic colonic and gastric carcinoma may present with IDA and exclusion of these conditions is of prime concern The upper endoscopic evaluation should include random ... presence of dyspeptic complaint and its severity calculated by presence of abdominal pain, abdominal pain with hungry and anxiety, abdominal distension, nausea, vomiting, poor appetite and symptoms of...
Ngày tải lên: 25/10/2012, 11:18
CHEMICAL ANALYSIS OF WATER AND WASTEWATER
... their knowledge of the identities and quantities of pollutants and other chemical species in water, air, soil, and biological systems Therefore, proven, state -of- the-art techniques of chemical analysis, ... 24 CHEMICAL ANALYSIS OF WATER AND WASTEWATER 24.1 GENERAL ASPECTS OF ENVIRONMENTAL CHEMICAL ANALYSIS Scientists’ understanding of the environment can only ... in the evolution of analytical chemistry, characterized by the development of new and improved analysis techniques that enable detection of much lower levels of chemical species and a vastly increased...
Ngày tải lên: 23/07/2013, 20:57
Different physical and chemical pretreatments of wheat straw for enhanced biobutanol production in simultaneous saccharification and fermentation
... Chemist Soceity and Institute of Food Technology She is a current Ph.D candidate Yaser Dahman holds a Ph.D in Chemical and Biochemical Engineering from the University of Western Ontario and an MBA ... Experiment and 2, 1.6 g of wheat straw was mixed in 50 ml of sterilized distilled water in 100 ml shaker flask and autoclaved at 135°C for h During Experiment and 4, 1.6 g of wheat straw in 50 ml of ... varied from 2.5 to 5.0% where, 2.5 g and 5.0 g of wheat straw were added The effect of temperature and the effect of combination of xylanase, cellulase, and β-glucosidase were examined during...
Ngày tải lên: 05/09/2013, 15:28
Tài liệu Identification of Promising Naval Aviation Science and Technology Opportunities docx
... prioritization of the work to be done and allocation of resources, and (6) the design of a transfer plan for the transition of each technology to a user All of these tasks are, of course, interrelated, and ... Director of Weapons Systems in the Office of the Secretary of Defense Research and Engineering, the Sea Trial Director of the Navy Warfare Development Command, and the Deputy Assistant Secretary of ... Department of the Navy, Washington, D.C., July; and Hon Gordon England, Secretary of the Navy, ADM Vern Clark, USN, Chief of Naval Operations, and Gen James L Jones, USMC, Commandant of the Marine...
Ngày tải lên: 12/02/2014, 19:20
Tài liệu METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER ppt
... standard chromatograms The width of the retention time window used to make identifications should be based upon measurements of actual retention time variations of standards over the course of ... ASTM Annual Book of Standards, Part 31, D3694-78 “Standard Practices for Preparation of Sample Containers and for Preservation of Organic Constituents,” American Society for Testing and Materials, ... levels for each parameter of interest by adding volumes of one or more stock standards to a volumetric flask and diluting to volume with acetonitrile One of the external standards should be at a...
Ngày tải lên: 14/02/2014, 03:20
Tài liệu METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER doc
... and 6.7 It is recommended that the secondary dilution standard be prepared at a concentration of 15 µg/mL of each internal standard compound The addition of 10 µL of this standard to 5.0 mL of ... concentration of the stock standard Optionally, stock standard solutions may be prepared using the pure standard material by volumetrically measuring the appropriate amounts and determining the weight of ... maintaining a current awareness file of OSHA regulations regarding the safe handling of the chemicals specified in this method A reference file of material data handling sheets should also be made...
Ngày tải lên: 14/02/2014, 03:20
Tài liệu PHYSICAL AND CHEMICAL ASPECTS OF ORGANIC ELECTRONIC doc
... various aspects of OFETs, including the synthesis of new materials, preparation and characterisation of organic thin films, characterisation of device properties and the development of new device ... fundamental understanding of the basic mechanism and properties of such OFETs, a national research initiative (supported by the DFG within the framework of the focus program 1121 OFET) was established ... Henkel Brandenburg University of Technology at Cottbus Department of Applied Physics and Sensors P.O Box 101344 03013 Cottbus Germany A Herasimovich Solid State Electronics and Center of Micro- and...
Ngày tải lên: 16/02/2014, 19:20
Tài liệu Báo cáo khoa học: 2,5-diamino-6-ribitylamino-4(3H)-pyrimidinone 5¢-phosphate synthases of fungi and archaea docx
... velocities of 3.8S for C glabrata and 3.5S for A aeolicus (Fig 3A and Fig S2A) Sedimentation equilibrium analysis indicated relative masses of 57.8 kDa (C glabrata) and 50.6 kDa (A aeolicus) (Fig 3B and ... disappearance of substrate signals and the appearance of a singlet at 42 p.p.m., reflecting the 1¢ carbon of the ribityl side chain of product Kinetic analysis confirmed preferential consumption of the ... II, units of guanylate kinase and units of pyruvate kinase in a total volume of 0.5 mL, and were incubated for 30 at 37 °C in order to generate the reductase substrate (the addition of guanylate...
Ngày tải lên: 18/02/2014, 18:20