... loss of DNA binding, zinc release and/or formation of disulfide bridges [20] With respect to selenium compounds, it has recently been shown that selenite impairs the DNA-binding activity of TFIIIH, ... observed with up to mM methionine Effect of selenium compounds on XPA-DNA binding Results Effect of selenium and corresponding sulfur compounds on Fpg activity First, the effect of selenium compounds ... Determination of the metal content of MT by complete zinc release after oxidation with 10 mM H2O2 and ICP-MS revealed 6.4 zinc atoms per molecule of MT and negligible amounts of cadmium and copper Zinc...
Ngày tải lên: 30/03/2014, 15:20
... superposition of the patterns from two pieces of nanocrystals Both of interplanes spacings, whose values are about 0.237 nm and lie at an angle of near to 60°, are of regular parallelogram with a center ... orientation is obvious, and the crystallization of the Ti0.25Al0.75Ox film is anisotropic Because of the nonstoichiometric composition, no evidence of the presence of TiO2 nanocrystals was detected in this ... orders of magnitude derived from S-1 The large leakage currents of S-2 possibly originate from the formation of nanocrystals Considering the HRTEM results, this confirms the crucial role of the...
Ngày tải lên: 22/06/2014, 00:20
use of epoxy compounds with concrete
... operations 5.4.4.6 Copper and copper alloys Copper and copper alloys are very difficult to bond, especially if high adhesive strength is desired, primarily because of rapid oxidation of the copper surfaces ... or with concrete limits the detail which can be given herein The result is an often brief coverage of any particular topic with constant referral of the user to the formulator for details of ... ability of epoxy to EPOXY COMPOUNDS bond two pieces of concrete generated interest in the possibility of bonding fresh concrete to existing concrete Experiments with the latter situation met with...
Ngày tải lên: 24/10/2014, 17:26
Proteomics analysis of pseudomonas putida in biodegradation of aromatic compounds
... groups of anaerobic bacteria in aromatic biodegradation 11 Table 2-6 Bacterial utilization of aromatic compounds 14 Table 2-7 Enzymes associated with biodegradation of aromatic compounds ... learn from the international community ii TABLE OF CONTENTS ACKNOWLEDGEMENTS i TABLE OF CONTENTS iii SUMMARY vi LIST OF TABLES ix LIST OF FIGURES xi LIST OF ABBREVIATIONS AND SYMBOLS xiv Research ... opacus 1CP tfdA-S-R-DIICIIEIIFIIBIIK-TCIDIEIFIBI (Ogawa and Miyashita 1999) (Liu et al 2001) (Trefault et al 2004) tfdD-R-CEBKA-F (Poh et al 2002) tfdR-CIIEIIBKA-FE-DC-R (Hoffmann et al 2003)...
Ngày tải lên: 12/09/2015, 08:19
Báo cáo hóa học: "Dermal absorption of aromatic amines in workers with different skin lesions: a report on 4 cases" doc
... influence of smoking on internal exposure by measurement of cotinine in the urine of the workers In view of the explanatory nature of our data, we used the RIE index to compare the values of external ... airborne levels of o-toluidine and the difference of RIE (Fig 1) emphasize the importance of its dermal absorption in workers These findings are in accordance with our previous studies with a glycol ... workers with skin diseases The assessment of haemoglobin adducts – a long-term parameter reflecting the cumulative internal exposure of about the last months in accordance with the lifetime of the...
Ngày tải lên: 20/06/2014, 00:20
báo cáo khoa học: "Down-regulation of UHRF1, associated with re-expression of tumor suppressor genes, is a common feature of natural compounds exhibiting anti-cancer properties" pot
... al.: Down-regulation of UHRF1, associated with re-expression of tumor suppressor genes, is a common feature of natural compounds exhibiting anti-cancer properties Journal of Experimental & Clinical ... decrease the risk of breast Alhosin et al Journal of Experimental & Clinical Cancer Research 2011, 30:41 http://www.jeccr.com/content/30/1/41 Page of 10 Figure Schematic model of the role of UHRF1/DNMT1 ... downregulation of UHRF1 with subsequent increase of p16INK4A gene expression The down-regulation of UHRF1 is probably driven by p53 and/or p53 This is leading to an inhibition of tumor vascularization...
Ngày tải lên: 10/08/2014, 10:21
Kinetic changes of volatile compounds during longan juice fermentation with single and mixed cultures of yeasts
... review) ii TABLE OF CONTENTS Page ACKNOWLEDGEMENTS i ACHIEVEMENTS ii TABLE OF CONTENTS iii SUMMARY vi LIST OF TABLES viii LIST OF ... strain to carry out the cofermentation of longan juice with the aim of exploiting the positive roles of both yeasts Two inoculation ratios of yeasts are compared in terms of their effects on the ... co-inoculation of non-Saccharomyces yeasts with S cerevisiae to improve the quality of wine has been suggested as a way of making use of spontaneous 26 fermentation without the risk of stuck fermentation...
Ngày tải lên: 08/11/2015, 17:24
Báo cáo y học: "Positioning Effects of KillerRed inside of Cells correlate with DNA Strand Breaks after Activation with Visible Light"
... Illumination of the nuclei Before illumination, the solution of nuclei (4106) was pipetted in a concentration of 4106 nuclei pro ml onto Petri dishes with a glass bottom The illumination time with ... data of images of DU 145 cells nuclei treated with RNase after illumination are not shown) Figure gives insight into the proportionality between the duration of activation and the increase of fluorescence ... (red – of the fusion protein KRED-Lamin B1 and green – derived from dNTP functionalized with ATTO 633) are hardly detectable inside of the nuclei transfected with pKillerRed-Lamin B1 without...
Ngày tải lên: 25/10/2012, 11:15
Báo cáo y học: " Experimental ablation of the pancreas with high intensity focused ultrasound (HIFU) in a porcine model"
... compliance with the guide for the care and use of laboratory animals from the Ministry of Science and Technology of the People’s Republic of China Instruments HIFU ablation was performed with a HIFU ... hydrophone with a spot diameter of 0.5 mm was used to map the acoustic pressure field of the focused transducer at focal peak intensities of 200~300 W/cm2 [2] The focal region was cigar shaped, with ... 135-mm focal length and the other operates at 1.6 MHz with 90-mm focal length The choice of transducers depends on the depth of target lesion, 10 with the most commonly used parameters in this study...
Ngày tải lên: 25/10/2012, 11:18
Báo cáo y học: " Treatment of oroantral fistula with autologous bone graft and application of a non-reabsorbable membrane"
... indication of techniques for the treatment of this kind of surgical complication Spontaneous healing of to mm openings can occur, while untreated larger defects are connected with the pathogenesis of ... Clinical evidence of bone healing Periapical periodontitis may result in maxillary sinusitis of dental origin with resultant inflammation and thickening of the mucosal lining of the sinus in areas ... makes elevation of the sinus membrane without disruption impossible Clinical Significance The principal advantage of the technique described here is the use of autologous bone graft with an expanded...
Ngày tải lên: 25/10/2012, 11:48
Báo cáo y học: "ISOLATION OF CHLAMYDIA PNEUMONIAE FROM SERUM SAMPLES OF THE PATIENTS WITH ACUTE CORONARY SYNDROME"
... lack of standardized criteria for laboratory diagnostics of chronic C pneumoniae infection as well as contradictory information about distribution of the pathogen throughout of the tissues of human ... elementary bodies of C pneumoniae with typical electron microscopic structure can be isolated from the serum samples of the patients with acute coronary syndrome Furthermore, using combination of bacteriological ... isolation from whole serum Briefly, 1.0 ml of whole serum was mixed with 0.5 ml of lysis buffer (0.2 M Tris-HCl buffer, pH 7,2 supplemented with 0.5 % SDS) with 0.25 mg/ ml proteinase K (Promega,...
Ngày tải lên: 26/10/2012, 08:57
Báo cáo y học: "Influence of Cyclodextrin Complexation with NSAIDs on NSAID/Cold Stress-Induced Gastric Ulceration in Rats"
... principal mechanism of action of all NSAIDs is the inhibition of the biosynthesis of prostaglandins by blocking the activity (selectively and/or non-selectively) of two isoforms of cyclooxygenase ... [6-8] With the exception of aspirin, NSAIDs inhibit synthesis of prostaglandins (mediators of inflammation) via competition with arachidonic acid for the two isoforms Generally, in the absence of ... Preparation of CD Solutions An aqueous solution of each CD was prepared by dissolving accurately weighed CDs (180 mg of β-CD and 300 mg of HP-β-CD) in 10 ml of distilled water with the aid of a UP100H...
Ngày tải lên: 26/10/2012, 08:57
EFFECT OF CARBON TO NITROGEN RATIO ON THE COMPOSTING OF CASSAVA PULP WITH SWINE MANURE
... profiles during composting of cassava pulp with swine manure Changes in pH During the composting process, the pH of all piles dropped from approximately 7.8 to 5.5 during the first 18 days of ... during composting of cassava pulp with swine manure After 18 days of composting, the pH of all piles increased and pH levels remained relatively unchanged after Day 35 The increase of pH in composting ... in a p.d.1/composting pile ratio of 10 ml:500 g of compost Every seven days, the moisture content of the mixture was also adjusted to 60% through the addition of water before and during the composting...
Ngày tải lên: 05/09/2013, 09:08
Application and Comparison of Two Biotic Ligand Models Predicting Copper Toxicity and Accumulation in Heavy Metal Tolerant Moss
... constants of the toxicity model except copper for F hygrometrica were similar with those for Daphnia magna However, stability constant of copper for F hygrometrica was extremely lower than that of D ... conformation of BL caused by this binding of proton result in decreases in the number of BL The conformation change of BL may decrease the internalization flux of - 343 - Journal of Water and ... (▲) In the selection of EC50, pH and free calcium ion activity are kept as constant as possible copper without changes in fCu and potential of copper accumulation Therefore, copper accumulation...
Ngày tải lên: 05/09/2013, 10:15
Dictionary of food compounds additives, flavors, and ingredients yannai s 2004
... together with the specialist knowledge of an experienced international Editorial Board with overall responsibility for content, and a team of contributors with knowledge of particular areas of food ... PRESENTATION are of six types The selection of compounds for DFC is broad Included Structural headings (WA) classify naturally occurring are all compounds or group of compounds of interest or food ... indication of crystal form and of recrystallisation solvent is often given but these are imprecise items of data; most compounds can be crystallised from several solvent systems and the crystal form often...
Ngày tải lên: 16/09/2013, 21:58
Take Care of Error Handling with Bound Controls
... used as an example Specific types of exceptions inherit from the base class of System.Exception OleDbException is one of those classes, and you will see an example of using this class in the following ... occur regardless of if an error occurs End Try End Sub Following are some basic points to help you when working with exceptions and Try Catch Finally blocks: • • • • • The name of the exception ... in the Click event of the command button called btnSave You will surround the SaveRecord routine call with a Try Catch End Try block If an exception occurs, the Show method of the MessageBox class...
Ngày tải lên: 28/10/2013, 19:15
Tài liệu Overview Of Degital Design With Verilog HDL part 1 doc
... introduce a tremendous amount of bias into the thought process associated with the implementation of the entity As an example, consider Eq 1.6 which gives the value of a number in base r In looking ... a couple of C++ constructs The #include includes the header files which allow the use of cout, a function used for output The second line of the program declares an array of integers ... main program will not return a value The sizeof operator used in the loop for i returns the size of the array a in bytes For this case sizeof(a)=28 sizeof(int)=4 The cout statement in C++ is used...
Ngày tải lên: 21/01/2014, 17:20
Tài liệu Overview Of Degital Design With Verilog HDL part 2 docx
... process is done with the assistance of EDA tools Logic synthesis tools convert the RTL description to a gate-level netlist A gate-level netlist is a description of the circuit in terms of gates and ... created to analyze the design in terms of functionality, performance, compliance to standards, and other high-level issues Behavioral descriptions are often written with HDLs.[2] [2] New EDA tools have ... probability of hitting a functional bug at a later time in the gate-level netlist or physical layout is minimized Designing with HDLs is analogous to computer programming A textual description with...
Ngày tải lên: 21/01/2014, 17:20