agriculture industry and environment
Handbook of industrial and hazardous wastes treatment - Part 1 pot
Ngày tải lên :
11/08/2014, 17:22
... ecologists’ qualifications, and ways and means for analysis and design The benefits of IE are shown as they relate to sustainable agriculture, industry, and environment, zero emission and zero discharge, ... Sustainable agriculture and sustainable industry; Industrial metabolism and life-cycle analyses of products; Site remediation and environmental restoration; Ecological and global environmental ... innovative and alternative environmental technology, design criteria, effluent standards, managerial decision methodology, and regional and global environmental conservation This handbook emphasizes...
- 208
- 541
- 3
Decolorization of Dye with Iron Oxide Catalysed Decomposition of Hydrogen Peroxide
Ngày tải lên :
05/09/2013, 08:40
... on the H2O2 decomposition and dye removal are presented in Figure & The H2O2 - 34 - decomposition and dye removal are enhanced as pH increases The H2O2 decomposition and dye removal were significantly ... catalytic decomposition of H2O2 and dye removal were suggested in Table and Figure Similar mechanism for surface catalysed H2O2 decomposition in the presence of sand was suggested by Miller et ... peroxide Ind Eng Chem Anal., 15(5), 327–328 Ganesh R and Boardman G.D and Michelsen D (1994) Fate of Azo Dyes in Sludge Wat Res., 28, 1367-1376 Lin S and Gurol M.D (1998) Catalytic Decomposition of...
- 6
- 453
- 0
Báo cáo khoa học: Production and utilization of hydrogen peroxide associated with melanogenesis and tyrosinase-mediated oxidations of DOPA and dopamine docx
Ngày tải lên :
07/03/2014, 17:20
... HPLC-ED to determine if, and to what extent, H2O2 was generated during the autoxidations and tyrosinase-mediated oxidations of tyrosine, DOPA, and dopamine This sensitive and specific method was ... 0.2 lm and immediately used or kept at °C for a maximum period of h and then discarded Reaction mixtures and enzyme assays Substrate concentrations used to measure rates of autoxidations and enzyme-mediated ... New York Soares DG, Andreazza AC & Salvador M (2003) Sequestering ability of butylated hydroxytoluene, propyl gallate, resveratrol, and vitamins C and E against ABTS, DPPH, and hydroxyl free radicals...
- 9
- 393
- 0
Báo cáo khoa học: Glucose oxidase prevents programmed cell death of the silkworm anterior silk gland through hydrogen peroxide production ppt
Ngày tải lên :
15/03/2014, 00:20
... silk glands, indicating that trehalase is produced by the silk gland cells and is localized to the cavity of ASGs [19,20] The silk gland and the salivary gland are homologous organs [21], and both ... strongly and equally expressed in ASGs and middle silk glands but not in posterior silk glands (Fig 3C, inset) During the fourth and fifth instar, GOD expression in ASGs was strong in IV2 and V0 ... respectively [mean ± standard deviation; n = 12 (A) and n = (B)] (C–G) Localization of GOD in V3 silk glands and a cocoon fragment, as determined by active staining of GOD with o-dianisidine, and (c–g) control...
- 10
- 545
- 0
Effect of hydrogen peroxide on the destruction of organic contaminants synergism and inhibition in a con
Ngày tải lên :
16/03/2014, 00:07
... cellulose and paper mill industry [64], several pesticides and other organic contaminants D.D Dionysiou et al / Applied Catalysis B: Environmental 50 (2004) 259–269 On the other hand, Chun and Park ... these reactions e− and h+ refer to conduction band electron and valence band hole, respectively, generated during the photoexcitation process (reaction (1)) On the other hand, htr + (see reaction ... hydrogen peroxide concentrations of and 10 mM with a gradually reducing trend (i.e., 3.76 and 3.54 for monocrotophos; 3.78 and 3.60 for parathion, respectively) Kumar and Davis studied the effect of...
- 11
- 576
- 0
Báo cáo khoa học: Mammalian 105 kDa heat shock family proteins suppress hydrogen peroxide-induced apoptosis through a p38 MAPK-dependent mitochondrial pathway in HeLa cells potx
Ngày tải lên :
16/03/2014, 06:20
... shock and anticancer drugs [17] In addition, Hsp105a suppresses protein aggregation and apoptosis caused by the expression of proteins with expanded polyQ tracts in a cellular model of spinal and ... anti-G3PDH Hsp60 and G3PDH are marker proteins for the mitochondrial and cytoplasmic fractions, respectively The intensity of bands was quantified by public-domain NIH IMAGE software, and normalized ... proteins Bcl-2 and Bcl-XL and inhibits their prosurvival function [36–39] In addition to Bcl-2 and Bcl-XL, previous studies have also implicated the proapoptotic BH3-only proteins Bid and Bim in...
- 13
- 215
- 0
Báo cáo khoa học: An inserted loop region of stromal ascorbate peroxidase is involved in its hydrogen peroxide-mediated inactivation pot
Ngày tải lên :
16/03/2014, 14:20
... Center and the Research Association for Biotechnology, subsidized by the Ministry of Economy, Trade and Industry of Japan 12 13 References Welinder KG (1992) Superfamily of plant, fungal and bacterial ... stromal APX With hydrophobic interaction and gel filtration chromatography, APX-B was purified to give a single band in SDS ⁄ PAGE, but the four chimeric APXs and Table Enzyme properties of ascorbate ... located near the heme molecule [11] and contains a unique 16 amino acid sequence between residues 248 and 265 which is not found in cytosolic APX of higher plants and APX-B (Fig 1) [8,11,12] To examine...
- 7
- 282
- 0
Synthesis of silicon nanowires after hydrogen radical treatment
Ngày tải lên :
16/03/2014, 15:13
... oxide film-coated glass substrate, and its properties were analyzed through XRD and FE-SEM measurement Fig shows the XRD pattern of the metal oxide film (a) before and (b) after hydrogen radical treatment ... (2008) 3903–3905 the use of a transmission electron microscope (TEM) and an energy dispersive X-ray spectrometer (EDX) Results and discussion For the fabrication of the metal nanocrystal catalysts, ... SiNWs were tapered and that the In catalyst remained on top of the SiNWs (Fig inset) The as-synthesized SiNWs were approximately several nm to several hundred nm in diameter, and their lengths...
- 3
- 348
- 0
Báo cáo khóa học: Mechanistic insight into the peroxidase catalyzed nitration of tyrosine derivatives by nitrite and hydrogen peroxide doc
Ngày tải lên :
16/03/2014, 16:20
... times of and were 11.5 and 12.7 min, respectively, and those of the corresponding nitration products, 3-(4-hydroxy-3-nitrophenyl)-propionic acid and 4-hydroxy-3-nitrobenzonitrile, were 13.9 and 15.7 ... 6.8) in 20 min, from 25 35% in 60 and from 35100% of buffer B in 20 min, and monitored at 280 and 412 nm The lactoperoxidase containing peak was manually collected and the homogeneity of the protein ... latter reaction competes with phenol nitration and gives rise to the dimeric and oligomeric phenol coupling products shown Materials and methods Materials and instrumentation Bovine lactoperoxidase...
- 12
- 414
- 0
Báo cáo khoa học: Microperoxidase 8 catalysed nitrogen oxides formation from oxidation of N-hydroxyguanidines by hydrogen peroxide ppt
Ngày tải lên :
17/03/2014, 09:20
... shifts from 395 to 408 nm for the Soret band and from 535 nm to 522 and 551 nm for the Q bands (Fig 3A, traces a and b) MP8II is known to be relatively unstable and to undergo complete bleaching within ... re-equilibration The absorbance was monitored between 200 and 400 nm The retention times for 1, 2, and 4-chlorobenzamide (internal standard) were 7.0, 18.3, 15.2 and 14.2 min, respectively Calibration curves ... addition of H2O2 at room temperature and was stopped after by addition of catalase and analysed by RP-HPLC as described in Materials and methods IS: Internal standard To detect the possible generation...
- 9
- 400
- 0
Báo cáo khoa học: Hydrogen peroxide efflux from muscle mitochondria underestimates matrix superoxide production – a correction using glutathione depletion pptx
Ngày tải lên :
22/03/2014, 21:21
... Animals and reagents Female Wistar rats, aged between 5–8 weeks, were purchased from Harlan Laboratories (Livermore, CA, USA) and allowed ad libitum access to chow and water Animal housing, husbandry ... recognized and defined by the selective use of specific substrates and inhibitors The four major sites of importance to the present study, the substrates used to feed electrons to these sites and the ... the high rate involving interaction between complex I and QH2 (IQ); the outer Q-binding site of complex III (IIIQo); and aKGDH The direct and indirect effects of inhibitors at specific sites of...
- 13
- 275
- 0
Re-Evaluation of Some Organic Chemicals, Hydrazine and Hydrogen Peroxide potx
Ngày tải lên :
28/03/2014, 19:20
... the textile and paper and pulp industry and in water treatment operations It occurs naturally at low levels in the air and water, in human and plant tissues and bacteria, and in food and beverages ... lethal mutations and gene mutations in mice; chromosomal aberrations and sister chromatid exchanges in Chinese hamsters and mice; and micronuclei in splenocytes and spermatids of rats and mice It ... Harderian gland, mammary gland, liver, kidney, skin, mesentery, forestomach and Zymbal gland In one study in rats, chloroprene caused increased incidences of tumours of the oral cavity, thyroid gland,...
- 171
- 845
- 1
RE-EVALUATION OF SOME ORGANIC CHEMICALS, HYDRAZINE AND HYDROGEN PEROXIDE ppt
Ngày tải lên :
28/03/2014, 19:20
... storage and retrieval systems such as MEDLINE and TOXLINE For chemicals and some complex mixtures, the major collection of data and the preparation of first drafts of the sections on chemical and ... or mixture in the environment is obtained from data derived from the monitoring and surveillance of levels in occupational environments, air, water, soil, foods and animal and human tissues When ... of exposed and unexposed cases and controls in a case–control study and the numbers of cases observed and expected in a cohort study Further tabulations by time since exposure began and other...
- 1.6K
- 856
- 1
Báo cáo khoa học: Enhanced sensitivity to hydrogen peroxide-induced apoptosis in Evi1 transformed Rat1 fibroblasts due to repression of carbonic anhydrase III docx
Ngày tải lên :
29/03/2014, 08:20
... Rat1 and derivative Neo and 5.6 cells These data showed that caIII mRNA transcripts were repressed by 92–97% in 5.61 and 5.62 cells relative to Rat1 and empty vector control cells Neo1 and Neo ... extracts derived from the indicated cell lines and populations using a-Evi1 (1806) and a-gapdh (6C5) antibodies The positions of 145 and 35 kDa Evi1 and gapdh proteins are shown FEBS Journal 277 ... superoxide dismutase, glutathione peroxidases and peroxiredoxin III and nonenzymatic systems including vitamins C, E and B2, coenzyme Q10, glutathione and carotene [14] If the amount of ROS exceeds...
- 12
- 446
- 0
Báo cáo hóa học: " Involvement of intracellular free Ca2+ in enhanced release of herpes simplex virus by hydrogen peroxide" ppt
Ngày tải lên :
20/06/2014, 01:20
... 0.1, 0.5, and mM for h, and the amounts of cell-free virus (A) and cellassociated virus (B) in the cultures were determined by plaque assay Results were compared to those for the controls and a percentage ... cell proliferation and activity of protein and DNA synthesis will influence virus release and infectivity It is possible that oxidative stress promotes the steps of transport and/ or maturation ... activity, causing changes in signal transduction, and cellular dysfunction [8-12] H2O2 was cytotoxic to renal tubular epithelial cells and caused a sustained and uncontrolled rise in [Ca2+]i that preceded...
- 9
- 443
- 0
Báo cáo nghiên cứu khoa học: " EXPERIMENTAL AND THEORETICAL ANALYSIS OF A CRITICAL CHEMICAL REACTION: DECOMPOSITION OF HYDROGEN PEROXIDE (H2O2)" potx
Ngày tải lên :
22/07/2014, 03:20
... there is no change in kinetics and potential energies, and that all heat fluxes and the shaft work are zero except for the heat fluxes respective to the reaction and to the cooling d (ρVr H ) ... experiments and was 0.0045 This value was almost 12.5 times higher than the value of kwirges For experiments and 6, the mean value was 0.000707 and it was times higher than kwirges Experiments and were ... solution with hydrogen peroxide and ferrous ions is known as Fenton’s reagent and is used for the initiation of polymerizations, hydroxylation of aromatic derivatives and oxidative couplings, among...
- 9
- 463
- 0
KHẢO SÁT SIÊU ÂM LÒNG HẬU MÔN VỚI HYDROGEN PEROXIDE TRONG BỆNH RÒ HẬU MÔN VÀ RÒ HẬU MÔN - ÂM ĐẠO doc
Ngày tải lên :
01/08/2014, 16:20
... in Gia Dinh hospital and HoChiMinh Univeristy Medical Center (09/200306/2004) All patients were performed by the endoanal ultrasonography with the 360 rotating tranducer and BK equipment (BK ... hydrogen peroxide is able to establish the relation between the fistulas and the sphincter muscles, to classify the fistulas and to identify the inner opennings of fistulas Methods: all patients ... images Findings in operations were the gold standards Results: in 132 patients (109 males, 23 females, mean age 49.67), there were a variety of anal and ano-vaginal fistulas The endoanal sonography...
- 19
- 488
- 0
Báo cáo y học: "HIV-1 Nef increases astrocyte sensitivity towards exogenous hydrogen peroxide" potx
Ngày tải lên :
11/08/2014, 21:21
... and -Nef cells were prepared, separated and blotted, and HIV-1 Nef and GAPDH have been detected as described in the Methods section Scanner (GE Healthcare), and analyzed using ImageQuant 5.2 software ... invasion and NeuroAIDS J Neurosci 2006, 26:1098-1106 Gonzalez E, Rovin BH, Sen L, Cooke G, Dhanda R, Mummidi S, Kulkarni H, Bamshad MJ, Telles V, Anderson SA, et al: HIV-1 infection and AIDS ... for the annexin V assay and incubated overnight in VLE-RPMI 1640 medium supplemented with 10% FCS Immunoblotting and immunodetection Lysates of U251MG-parental, -pNeo and -Nef cells were prepared...
- 7
- 160
- 0
Báo cáo khoa học: " Evaluation of LHP® (1% hydrogen peroxide) cream versus petrolatum and untreated controls in open wounds in healthy horses: a randomized, blinded control study" pdf
Ngày tải lên :
12/08/2014, 18:22
... compared to untreated controls and petrolatum on day 16 (p < 0.0001 and p = 0.0003 respectively), on day 21 (p = 0.0152 and p < 0.0001) and on day 28 (p = 0.0258 and p < 0.0001) (Figure 5) Untreated ... only in localised areas and would also have interrupted wound healing Sampling and wound handling (treatment and cleansing) were designed to be identical in all wounds and most importantly, minimally ... initiator, designer and performer of the project and author of the manuscript; HB: Contributor to design and revising the manuscript, acquisition of funding; VB and EB: Bacterial cultures and analyses;...
- 10
- 383
- 0
Báo cáo y học: "Aspergillus fumigatus allergen expression is coordinately regulated in response to hydrogen peroxide and cyclic AMp" doc
Ngày tải lên :
13/08/2014, 13:22
... proteases) and proteins of unknown to date functions (Asp f 2, -4, -7 and -17) Asp f 11, -12 and -22 were induced 5-10 fold under the same conditions Expression of Asp f (peroxiredoxin) and Asp ... MOI - 1:200 and 1:2000 spores/macrophage The MOI used were chosen to give conditions where both fungus and macrophage were able to grow and remain viable for Fraczek et al Clinical and Molecular ... complex and clearly lacks the coordinated nature of the responses observed in axenic culture (Figure 4) The protease allergens, Asp f 5, -10 and -13 and -18 were expressed at very low levels and...
- 11
- 285
- 0