... J Sutherland, Ian Newton, and Rhys E Green Conservation Education and Outreach Techniques Susan K Jacobson, Mallory D McDuff, and Martha C Monroe Forest Ecology and Conservation: A Handbook of ... Conservation: A Handbook of Techniques Malcolm Ausden Conservation and Sustainable Use: A Handbook of Techniques E.J Milner-Gulland and J Marcus Rowcliffe Invasive Species Management: A Handbook of ... Principles and Techniques Mick N Clout and Peter A Williams Amphibian Ecology and Conservation: A Handbook of Techniques C Kenneth Dodd, Jr Insect Conservation: A Handbook of Approaches and Methods...
Ngày tải lên: 17/02/2014, 17:20
... J Sutherland, Ian Newton, and Rhys E Green Conservation Education and Outreach Techniques Susan K Jacobson, Mallory D McDuff, and Martha C Monroe Forest Ecology and Conservation: A Handbook of ... Conservation: A Handbook of Techniques Malcolm Ausden Conservation and Sustainable Use: A Handbook of Techniques E.J Milner-Gulland and J Marcus Rowcliffe Invasive Species Management: A Handbook of ... Principles and Techniques Mick N Clout and Peter A Williams Amphibian Ecology and Conservation: A Handbook of Techniques C Kenneth Dodd, Jr Insect Conservation: A Handbook of Approaches and Methods...
Ngày tải lên: 06/03/2014, 18:20
Báo cáo y học: "Pravastatin Provides Antioxidant Activity and Protection of Erythrocytes Loaded Primaqe"
... fragility and oxidative damage of erythrocytes of zinc-deficient rats J Nutr 1997; 127: 1290–1296 Lajos N, Miki N, Sandor S Protein and non-protein sulfhydryls and disulfides in gastric mucosa and ... TCA and resuspended in 1.0 ml of M HCl for blank and M HCl containing 2% 2,4dinitrophenyl hydrazine After incubation for h at 37°C, protein samples were washed with alcohol and ethyl acetate, and ... thiobarbituric acid and 1.5 ml 20% acetic acid was prepared 200 μL of RBCs lysate and 1.9 ml distilled water were added to complete the volume of ml After boiling for h, the mixture was cooled, and ml of...
Ngày tải lên: 25/10/2012, 11:40
Windows Home Server Protect and Simplify Your Digital Life
... helped thousands of students and clients get more out of their computers in areas from DOS to Windows Vista, as well as (X)HTML and Web development Working for clients and students — and just out ... differential, and full backups Windows Home Server presents backup and restore functionality in a manner that provides a sensible and usable default experience, and also offers flexibility to handle ... Accessing Files and Computers”: Windows Home Server provides a great deal of capability for remotely accessing files and computers, and Chapter 11 shows the reader how to configure and use this...
Ngày tải lên: 01/01/2014, 16:48
Tài liệu Physical Activity and Women’s Health pptx
... to alter their health risks, and that health and educational professionals must mount new efforts to develop culturally appropriate and sensitive health programs and educational materials But, ... breast and colon cancers), cerebrovascular disease (hypertension and stroke), and non-insulin-dependent diabetes mellitus (NIDDM) (National Center for Health Statistics, 1993) McGinnis and Foege ... use health messages, programs, and approaches based on white, middle-class values and culture, and then wondered why they were not enthusiastically embraced Research and educational efforts must...
Ngày tải lên: 13/02/2014, 08:20
Tài liệu Time trends in leisure time physical activity and physical fitness in elderly people: 20 year followup of the Spanish population national health survey (1987-2006) docx
... proportional random selection of primary and secondary sampling units (towns and sections, respectively), with the final units (individuals) being selected by means of random routes and sex- and age-based ... health status, co-morbidity, and lifestyle-related habits associated with LTPA and physical fitness in older people; and, 3) to analyze time trends in prevalence of LTPA and physical fitness in the ... sleeping > hours per day and those sleeping < hours per day Statistical analysis In this study we analyzed physical activity and physical fitness separately for men and women and we excluded respondents...
Ngày tải lên: 14/02/2014, 06:20
Tài liệu Báo cáo khoa học: Secondary substrate binding strongly affects activity and binding affinity of Bacillus subtilis and Aspergillus niger GH11 xylanases docx
... both XBS and XAN involved in substrate interaction were selected based on the crystal structures of XBS and XAN soaked with xylotetraose and xylopentaose, respectively [12] (Fig 1), and were ... = 9.76 · 10)10 M and AzU = 50.8 · 10)10 M and for the wild-type XAN, X6U = 1.02 · 10)10 M, XyU = 7.72 · 10)10 M and AzU = 9.65 · 10)10 M for the activity on X6, Xylazyme AX and Azo-wheat AX, ... xylanases and other glycoside hydrolases will need to be determined Materials and methods Materials All chemicals, solvents and reagents were purchased from Sigma-Aldrich (Bornem, Belgium) and are...
Ngày tải lên: 14/02/2014, 19:20
Tài liệu Báo cáo khoa học: Processing, catalytic activity and crystal structures of kumamolisin-As with an engineered active site pptx
... 38-kDa and 19-kDa proteins were mixed and subjected to nondenaturing PAGE, these proteins comigrated with each other, showing a broad protein band that differed from the respective original bands and ... time-dependent enhancement of the 57-kDa band with a concomitant diminution of the 38-kDa and 19-kDa bands, as analyzed by SDS ⁄ PAGE (Fig 3A) The 38-kDa and 19-kDa bands did not disappear completely ... wild-type 37-kDa mature form were incubated at pH and 50 °C for 10 and then subjected to SDS ⁄ PAGE, the 19-kDa band disappeared, whereas the 37-kDa band remained (Fig 2C) During the course of our...
Ngày tải lên: 19/02/2014, 07:20
Tài liệu Báo cáo khoa học:Symmetric fluoro-substituted diol-based HIV protease inhibitors Ortho-fluorinated and meta-fluorinated P1/P1¢-benzyloxy side groups significantly improve the antiviral activity and preserve binding efficacyy docx
... Padgett, W.L., Oshunleti, O., Daly, J.W & Kirk, K.L (2000) Syntheses of (R )and (S)-2- and 6-fluoronorepinephrine and (R)- and (S)-2- and 6-fluoroepinephrine: effect of stereochemistry on fluorine-induced ... and Leu23, which are displaced ˚ 0.5 A with respect to inhibitors 1–5 2- and 3-Fluorobenzyloxy side groups The mono-substituted inhibitors and are fluoro-substituted in the ortho (2-fluoro) and ... DABSYL-c-Abu-Ser-Gln-Asn-Tyr-ProIle-Val-Gln-EDANS (Bachem, Bubendorf, Switzerland) The measurements were performed in 96-well plates with a Fluoroscan plate reader (Labsystems, Helsinki, Finland)...
Ngày tải lên: 19/02/2014, 16:20
Tài liệu Báo cáo khoa học: Mutational analysis of plasminogen activator inhibitor-1 Interactions of a-helix F and its neighbouring structural elements regulates the activity and the rate of latency transition pdf
... 100 and 128 are highly conserved among serpins (F119 and F147, respectively, in a1PI) [2] and buried in the hydrophobic interface between hF and b-sheet A (Fig 5) The substrate behaviour and ... lgÆmL)1 ampicillin and 34 lgÆmL)1 chloramphenicol and incubated overnight at room temperature The cultures were diluted : 20 and incubated at 37 °C until a D600 between 0.7 and 0.9 A final concentration ... Na2HPO4) and opened with sonication The bacterial lysates were cleared by centrifugation (15 000 g, 30 min) and filtration (0.22 lm), supplemented with M NaCl, 10 mM imidazole and 5% glycerol, and...
Ngày tải lên: 20/02/2014, 11:20
Tài liệu Báo cáo khoa học: Changes in rat liver mitochondria with aging Lon protease-like activity and N e-carboxymethyllysine accumulation in the matrix doc
... exhibited a comparable pattern of bands, although two bands of 60 and 150 kDa strongly visible at 10 months (lane 1) were absent at 27 months, and an important band of 70 kDa (lane 2) emerged in ... intense signals of 70 and 50 kDa, while the bands at 60 and 150 kDa vanished With oxyblot (Fig 4C), antibodies stained carbonylated proteins mainly in band ranges of 30–60 and 70–120 kDa at 10 ... from 10-month-old (lane 1) and from 27-month-old rats (lane 2) Standard molecular masses (lane 3) The arrow and arrowhead show the disappearance and appearance of bands, respectively Ó FEBS...
Ngày tải lên: 20/02/2014, 11:20
Tài liệu Báo cáo khoa học: Endotoxic activity and chemical structure of lipopolysaccharides from Chlamydia trachomatis serotypes E and L2 and Chlamydophila psittaci 6BC pdf
... Kdo, and tetrasaccharide 1-monophosphate (TS 1-MP) One-dimensional 1H- and 31P-, and two-dimensional homo- (1H,1H-DQF-COSY) and heteronuclear (1H,13C-,1H,31P-HMQC) NMR spectroscopy (Figs and 6) and ... I Goroncy, H Luthje and V ¨ Susott for technical assistance and S Kusumoto (Osaka/Japan) for lipid A (compound 506) and L Hawkins (North Andover, MA USA) for compound B1233 and for reading the ... rough-mutant LPS (Re-LPS) and synthetic lipid A The three typical endotoxins smooth and rough LPS and lipid A were able to stimulate TLR4-expressing HEK cells in the absence of CD14 whereas none...
Ngày tải lên: 20/02/2014, 23:20
Báo cáo khoa học: Relationship between functional activity and protein stability in the presence of all classes of stabilizing osmolytes ppt
... advances in understanding the effect of osmolytes on protein stability, folding and the activity of proteins and enzymes, the relationship between protein stabilization by osmolytes and its consequent ... RNase-A and its activity parameters (Km, Michaelis constant; kcat, catalytic constant) in the presence and absence of almost all naturally occurring osmolytes We report here that protein stability and ... based on their effects on stability and activity parameters of RNase-A Functional stability and activity by osmolytes Results and Discussion Protein stability and enzyme activity have a well-correlated...
Ngày tải lên: 07/03/2014, 00:20
Báo cáo khoa học: Haptoglobin binds the antiatherogenic protein apolipoprotein E – impairment of apolipoprotein E stimulation of both lecithin:cholesterol acyltransferase activity and cholesterol uptake by hepatocytes pdf
... polyacrylamide gel in denaturing and reducing conditions, and by western blotting (A) Coomassie-stained bands of isolated Hpt (lane 1), standard ApoE (lane 2), standard ApoA-I (lane 3), and partially purified ... HRP-conjugated avidin and ECL Coomassiestained bands of VLDL and LDL proteins are shown in lanes and 2, respectively VLDL and LDL proteins, blotted onto the PVDF membrane and incubated with biotinylated ... anti-Hpt IgG and rabbit anti-goat HRP-conjugated IgG Two bands, reacting with the antibodies and with the molecular masses of b and a2 (41 and 21 kDa, respectively), were detected (Fig 4, lanes and 6)...
Ngày tải lên: 07/03/2014, 00:20
Báo cáo khoa học: Simultaneous improvement of catalytic activity and thermal stability of tyrosine phenol-lyase by directed evolution ppt
... co-improvement in stability and activity For example, the T1 ⁄ values for AS4 and AS6 were 6.7 and 11.2 °C higher, respectively, and the catalytic activities were improved by 2.8- and 2.0-fold, respectively ... wild-type protein and two mutants, AS4 and AS7, were purified to homogeneity with purification yields of over 40%, and investigated for their stability and activity at temperatures between 40 and 80 °C ... stability and catalytic activity of S toebii TPL Materials and methods Materials Sodium pyruvate and PLP were obtained from Musashino Shoji (Tokyo, Japan) and Fluka (Seelze, Germany), respectively, and...
Ngày tải lên: 07/03/2014, 00:20
Báo cáo khoa học: Hyperthermophilic enzymes ) stability, activity and implementation strategies for high temperature applications pot
... food and drug biosynthesis applications; (g) enzyme immobilization may increase heat stability and therefore, improve biocatalyst performance; and (h) protein engineering by rational design and ... hydrophilicities and charges at given environmental conditions, such as temperature, concentration, ionic strength and pH Thus, the diverse chemical and physical properties of proteins and surfaces ... understanding of structural differences between hyperthermozymes and their mesophilic and thermophilic homologs, as well as the effect of immobilization on their structural rearrangement and resulting...
Ngày tải lên: 07/03/2014, 05:20
Báo cáo khoa học: The Vps4 C-terminal helix is a critical determinant for assembly and ATPase activity and has elements conserved in other members of the meiotic clade of AAA ATPases pdf
... ATPase domain and C-terminal helix [36] showing the location of residues that were mutated The TRP, RDF and DEL sequences are shown in green, dark blue and red, respectively The b domain and C-terminal ... component, Vps20p, to wildtype and mutant Vps4p proteins in the presence and absence of ATP (Fig 5C) Binding of Vps20p to the Vps4p mutant proteins lacking the DEL, TRP and RDF sequences showed at ... ATPase domain incorporating a structure rich in b strands (b domain), an N-terminal microtubule interacting and trafficking (MIT) domain [28–30] and a final C-terminal a helix [31] In previous studies,...
Ngày tải lên: 07/03/2014, 05:20
Báo cáo khoa học: Engineering and characterization of human manganese superoxide dismutase mutants with high activity and low product inhibition potx
... screening Error-prone PCR and DNA shuffling were separately used to create a randomized library of protein variants based on the Q143A hMnSOD template One hundred and fifty thousand QC774 transformants ... cloning site of the vector by digestion with NcoI and PstI This vector backbone was excised from an agarose gel and purified For both standard and error-prone PCR amplification of hMnSOD genes, ... grant GM54903 (DS) and National Science Foundation CAREER Award Bes-0348107 (HZ) We thank Patrick Quint and Diane Cabelli for help with kinetics, and Chingkuang Tu for assistance and helpful discussion...
Ngày tải lên: 07/03/2014, 11:20
Báo cáo khoa học: Alpha-fetoprotein antagonizes X-linked inhibitor of apoptosis protein anticaspase activity and disrupts XIAP–caspase interaction ppt
... cell lines and tissues has shown that many tumor cell lines and tissues have constitutively higher levels of active caspase and free cytochrome c in the absence of apoptotic stimuli and yet are ... blue and red, respectively The BIR2 and BIR3 domains are shown in green The dashed yellow lines connect the ATIF peptides of each AFP monomer and the IBM-interacting grooves of the BIR2 and BIR3 ... cold NaCl ⁄ Pi, and AMC liberation was measured using Victor-1420 Multilabel counter (Wallac, Finland) at excitation 355 nm and emission 460 nm All samples were analyzed in duplicate and the experiments...
Ngày tải lên: 07/03/2014, 12:20
Báo cáo khoa học: Amino acids at the N- and C-termini of human glutamate carboxypeptidase II are required for enzymatic activity and proper folding pptx
... further use Antibodies Hybridomas secreting mAbs (clones GCP-01, GCP-02 and GCP-04, all IgG1) were prepared by standard methods from mice (F1 hybrids of BALB/c and B10.A strains) immunized with recombinant ... both in cell lysates and conditioned media, and the results are summarized in Fig and Table 2, respectively Of the 13 variants, only 274/587 (the putative catalytic domain) and 274/750 (the polypeptide ... CuSO4 Three days later, the cells and conditioned media were harvested and processed as described in the Materials and methods Conditioned media were dialyzed and concentrated, if desired Carboxypeptidase...
Ngày tải lên: 07/03/2014, 15:20