isolation of phages from environmental sources by direct plate selection

Removal of arsenic from synthetic groundwater by adsorption using the combination of laterite and ironmodified activated carbon

Ngày tải lên : 05/09/2013, 09:38

... stock solutions of As(III) were prepared from As(III) standard solution of 1003mg/L (Wako Pure Chemicals Ltd, Japan) The stock solutions of As(V) were prepared by dissolving 4.1646mg of Na2HAsO4.7H2O ... 70.19m²/g, pore volume of 0.00062cm3/g and pore size of 126Å Preparation of AC-Fe AC from coconut shell was taken from MAPECOH, Inc (Philippines) with a particle size of 0.45-0.71mm after sieving ... the process kinetics of adsorption From equation (1), the use of n=1 from calculation and the assumption in section 3.1 (adsorption equilibrium), gives the overall rate of adsorption/de-sorption...

12
529
0

Evaluation of Loading Rate of Nitrogen from Rice-Paddies by Small Watershed Method

Ngày tải lên : 05/09/2013, 09:38

... observation of storm-runoff events is not so easy to carry out sufficient times of the observation Then, the samples of storm-runoff loads were supplemented with the storm-runoff loads calculated by using ... calculated from monthly data of Ci of the water sample reserved in the deposit sampler and Qi of the volume by ILM The annual net-load (unit load) of TN was 35.8±4.05 kg ha-1 y-1 on the average of three ... bottom of the ditch at the end of EPW (Site-A in Fig 1), and sequentially recorded the water level of drainage at an interval of 10 minute Flow rates Q were calculated from the water levels by following...

14
368
0

Removal of arsenic from simulated groundwater by adsorption using iron-modified rice husk carbon

Ngày tải lên : 05/09/2013, 09:38

... investigate the effects of pH values within the range of 5-9, of initial arsenic concentrations within the range of 1.42 - 7.39 mg/L and of adsorbent doses within the range of 0.5 - 5.0g/L, as well ... RH-Fe5%, particle size of 0.1-0.35 mm, with Co of 1.42-7.38 mg/L, adsorbent dose of 2.5 g/L, pH of simulated groundwater (pH 8.18) Comparison of adsorption isotherms The values of the linear and nonlinear ... preparation of ironmodified RH was conducted in a similar way by Mondal et al (2007a) in order to modify the activated carbon by impregnation with iron for the removal of arsenic One hundred grams of...

14
541
0

Removal of Cadmium from Aqueous Solutions by Charcoals Prepared from Giant Reed (Arundo donax)

Ngày tải lên : 05/09/2013, 10:15

... was 10 mg-Cd/L, the volume of solution was 50 mL, and the amount of charcoal was 20 mg Three days from the start of contact (concentration of cadmium was mg-Cd/L, amount of cadmium adsorbed was ... Removal of Copper(II) and Cadmium(II) in Water by Use of Roasted Coffee Beans, J Chem Soc Japan, No 3, 459-461 (In Japanese) Petrov N., Budinova T and Khavesov I (1992) Adsorption of the ions of zinc, ... Removal of heavy metals from aqueous solution by nonliving Uiva seaweed as biosorbent, Wat Res., 39, 1803-1808 Urano K., Mizusawa H and Kiyoura R (1970) Determination of Pore-Size Distribution from...

8
512
0

Báo cáo Y học: Amphibian peptides that inhibit neuronal nitric oxide synthase The isolation of lesueurin from the skin secretion of the Australian Stony Creek Frog Litoria lesueuri docx

Ngày tải lên : 31/03/2014, 15:20

... three-dimensional structures of certain domains of nitric oxide synthase isoforms are known [53±57], we are not aware of the three-dimensional structure of the calmodulin binding sites of any isoform being reported ... spectrum) Data from Y + fragmentations give sequence information from the N-terminal end of the peptide (see schematic arrows below the spectrum) For a review of fragmentations of MH+ ions of peptides ... active amphibian peptides of inhibitor groups 1±3, must therefore inhibit the formation of nitric oxide by either blocking one or more of the cofactor sites on nNOS or by some chemical modi®cation...

10
463
0

quality improvement of bixin from annatto seed by modified extraction methods

Ngày tải lên : 29/11/2014, 08:21

... Improvement of Bixin from Annatto Seed by Modified Extraction Methods Hoang Van Chuyen Department of Food Science and Technology Graduate School of Chonnam National University (Directed by Professor ... covered by aluminum foil to prevent the loss of bixin by effects of light Pigment in the seeds was then extracted repeatedly by chloroform until total pigment is removed from the seeds (determined by ... Effects of extraction method, volume of acetone and light on the extraction yield of bixin and content of volatile compounds in extracts………………… 42 Extraction of bixin from annatto seed by combinations...

63
571
1

Membrane protected micro solid phase extraction of pharmaceuticals from environmental water samples

Ngày tải lên : 10/09/2015, 09:12

... candidature ! TABLE OF CONTENTS List of Abbreviations/symbols I List of Tables III List of Figures IV Summary CHAPTER INTRODUCTION 1.1 Preface 1.2 Conventional methods of preparing environmental water ... Introduction Direct extraction of PAI, most of which are polar or hydrophilic from their aqueous solutions can be highly challenging due to the lack of suitable extractants that is complicated further, by ... induced sorption of UPTMS onto silica gel surfaces (III) Hydrolysis of trimethoxysilyl groups on UPTMS by monolayer of water on silica gel surfaces followed by physical sorption of hydrolyzed UPTMS...

90
323
0

Immobilization of heavy metals in sediment dredged from a seaport by iron bearing materials

Ngày tải lên : 23/09/2012, 15:38

... more easily by using one of the latest technologies – Biofast – a kind of machine for filtering liquid wastes Biofast are outstanding because of its effectiveness and efficiency Biofast operates ... Institute of Labor and Environment Sanitation, the level of pollution of liquid wastes in hospitals was 20,000 times more than standard According to the report of the Ministry of Public Health, out of ... wastes from Viet-Duc hospital at the price of 6,000 VND per kilogram for plastic, 1,500 VND per kilogram for small glass bottle From 2002 to 2007, there were about 300 tons of medical wastes sold from...

10
722
0

Báo cáo y học: "ISOLATION OF CHLAMYDIA PNEUMONIAE FROM SERUM SAMPLES OF THE PATIENTS WITH ACUTE CORONARY SYNDROME"

Ngày tải lên : 26/10/2012, 08:57

... explained by lower efficiency of C pneumoniae DNA extraction Sufficient recovery of final PCR product has been also seen when protein A from Staph aureus has been used for isolation of C pneumoniae from ... incubator Each plate examination procedure was followed by careful disinfection of the equipment Positive findings were reconfirmed The plates were evaluated for chlamydial growth by immunofluorescence ... complicated by the 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...

10
782
0

made of,in,from,by

Ngày tải lên : 18/08/2013, 04:10

1
319
0

Production of Trichloromethylphenol from Organophosphorus Pesticide Fenitrothion by Chlorination

Ngày tải lên : 05/09/2013, 10:15

... 2-chloro-5-methyl-4-nitrophenol (2C5M4NP) was obtained by custom order from Chemical Soft R&D Inc (Kyoto, Japan) 20 mg of each of the chemicals is dissolved into L of distilled water and mg-Cl/mg-C of sodium hypochlorite was ... productions of two CBPs from fenitrothion were studied As shown in Fig 1(A), productions of fenitrooxon (peak a) and 3M4NP (peak b) in the sample of chlorinated fenitrothion were confirmed by GC retention ... Chlorination By- Products of Fenitrothion In order to obtain TC3MP (c), compounds produced in the sample of chlorinated 3M4NP were separated and purified by TLC, and six fractions were obtained A result of...

7
296
1

Tài liệu Báo cáo khoa học: Regulation of dCTP deaminase from Escherichia coli by nonallosteric dTTP binding to an inactive form of the enzyme ppt

Ngày tải lên : 18/02/2014, 16:20

... signiﬁcance of this last observation is that due to the proximity of residues 120–125 from each subunit in the centre of the trimer, the side chains of Val122 of one subunit and Thr123 of the neighbouring ... with a stochiometry of : of dTTP bound per subunit of dCTP deaminase 4192 Mutational analysis of amino acid residues involved in dTTP regulation of dCTP deaminase The design of the mutant enzymes ... caused by a movement of the lip formed by a helix and b strand [18] Apparently, movement of the active site lip prevented binding of the C-terminal residues over the active site, or the absence of...

11
577
0

Tài liệu The History of England from the First Invasion by the Romans to the Accession of King George the Fifth Volume 8 docx

Ngày tải lên : 22/02/2014, 04:20

... Coronation of Charles Cromwell lands in Fife Charles marches into England Defeat of the earl of Derby Battle of Worcester Defeat of the royalists The king escapes Loss of the royalists Adventures of ... Of the Episcopalians Synod of divines Presbyterians and Independents Demand of toleration New directory Trial of Archbishop Land His defence Bill of attainder Consent of the Lords Execution CHAPTER ... The army after the new model Battle of Naseby Its consequences Victory of Montrose at Kilsyth Surrender of Bristol Defeat of Royalists at Chester Of Lord Digby at Sherburn The king retires to...

306
515
0

BIRD STORIES FROM BURROUGHS SKETCHES OF BIRD LIFE TAKEN FROM THE WORKS OF JOHN BURROUGHS WITH ILLUSTRATIONS BY LOUIS AGASSIZ FUERTES doc

Ngày tải lên : 06/03/2014, 13:20

... visible wounds; thrust of beak and grip of claw, but no feather loosened and but little ruffling; long holding of one down by the other, but no cry of pain or fury It was the kind of battle that one ... lifted one side of my hat and out darted one of the birds; then I lifted the hat from the other One of the females then rushed, apparently with notes of joy and congratulation, to one of the males, ... the warblers, often bury the strange egg beneath a second nest built on top of the old A lady living in the suburbs of an Eastern city heard cries of distress one morning from a pair of house wrens...

112
421
0

Báo cáo khoa học: Improving thermostability and catalytic activity of pyranose 2-oxidase from Trametes multicolor by rational and semi-rational design pdf

Ngày tải lên : 07/03/2014, 03:20

... bond is offered to Lys542 The loss of the hydrogen bond may or may not affect the precise positioning of the aromatic ring of Tyr456 in the closed state In the absence of a closed complex of E542K ... 0.1 lg of plasmid DNA, 2.5 U Pfu DNA polymerase (Fermentas), 10 lm of each dNTP and pmol of each primer in a total volume of 50 lL After PCR, the methylated template DNA was degraded by digestion ... 42.3 mm)1ặcm)1) One unit of P2Ox activity was dened as the amount of enzyme necessary for oxidation of lmolặmin)1 of ABTS (which equals the consumption of lmolặmin)1 of O2) under assay conditions...

17
438
0

Báo cáo khoa học: Identiﬁcation of yeast aspartyl aminopeptidase gene by purifying and characterizing its product from yeast cells potx

Ngày tải lên : 07/03/2014, 12:20

... of salts The digested peptide substrate was analyzed using MALDI-TOF MS The amount of peptide generated was estimated from the ratio of the height of the product peptide peak versus the sum of ... calculated by comparing the position of the absorbance peak (280 nm) of the standard marker with that of aspartyl aminopeptidase Effect of inhibitors on aspartyl aminopeptidase activity Solutions of ... affected by EDTA, whereas yeast aspartyl aminopeptidase was inhibited by EDTA in this study This indicates that the surroundings of the zinc ion in yeast aspartyl aminopeptidase differ from those of...

7
368
0

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

Ngày tải lên : 08/03/2014, 19:20

... 31% 27% 16% 8% 2.6 Lack of IT resources 19% 32% 26% 15% 8% 2.6 Concerns about loss of control over content and tone of postings by others 14% 36% 30% 15% 5% 2.6 Lack of institutional clarity ... from what we could tell, one of the first studies conducted of the institutions themselves about how they use social media Our overarching goal of this research is to create knowledge and resources ... social media Another unit manages all of our social media activities, without any input from us Another unit manages all of our social media activities, with input from us We handle our own social...

16
376
0

Combating NOx from refinery sources using SCR by Hans Jensen-Holm and Peter Lindenhoff pot

Ngày tải lên : 14/03/2014, 10:20

... used by or disclosed to third parties without written approval of Haldor Topsøe A/S Combating NOx from refinery sources using SCR Page of 31 Each type of catalyst is offered in a number of different ... used by or disclosed to third parties without written approval of Haldor Topsøe A/S Combating NOx from refinery sources using SCR Page of 31 the formation of sulphuric acid mist from reaction of ... experience from a number of plants In the past there has been reluctance from the plant operators to install SCR’s because of risk of up-set in the units caused by the SCR’s The results from SCR’s...

31
363
0

Báo cáo "Reseach on the removal of hexavalent chromium from aqueous solution by iron nanoparticles " doc

Ngày tải lên : 14/03/2014, 10:20

... removed by iron nanoparticals, while only 24.75% Cr(VI) concentration was removed by iron powder Conclusion The removal of Cr(VI) by Fe0 nanoparticles was studied, the concentration of Fe0 nanoparticles ... distribution of iron nanoparticles were characterized by TEM Fig.1 show that the particles are in the range 3-50nm diameter and particles are spherical and form chains of beads This type of aggregation ... Similar phenomenon was observed by other researchers[1,2,6,7] The specific surface area of iron nanoparticles was 25,43 m2/g 3.2 Effect of the intial pH on the rate of Cr(VI) reduction Experimental...

5
365
0

Báo cáo khoa học: Regulation of calpain B from Drosophila melanogaster by phosphorylation pot

Ngày tải lên : 16/03/2014, 02:20

... data is complicated by the low stoichiometry of phosphorylation in the case of PKA, and by the existence of multiple phosphorylation sites in all cases To assess the contribution of a well established ... regulation of calpain B, we adopted the approach of Smith et al [13] and replaced the target sites of the kinases with Glu by site-directed mutagenesis The negative Glu side-chain mimics the effect of ... residues phosphorylated by PKA and the ERK isoforms are situated in sensitive regions of the molecule and can be involved, either directly or indirectly, in the regulation of enzyme activity We...

14
314
0