uniformity of acid sites

... Journal of Water and Environment Technology, Vol.3, No.2, 2005 groundwater runoff in streams, is important in term of the critical load of acid deposition to a catchment Figure Catchment of the ... carries acid pollutants, the direction of stream course and height of catchment boundaries govern the distribution of acid deposition These facts were made clear by the distribution patterns of water ... concentrations of anions in the western streams The height of catchment boundaries, the direction of the main axis of a catchment and the prevailing wind govern the influence of acid deposition...

Ngày tải lên: 05/09/2013, 09:08

... characteristic of heteropolyacids The acidity of the catalyst was not measured by indicator method because of brown-grey coloring So we studied its acidity by thermoprogrammed desorption of pyridine ... amount of acid centres was 2.9 mmolrm2 For comparison, pyridine was removed from 10 – 14% WO 3rZrO at 350–4008C w8x, 18% WO 3rZrO possessed 1.9 mmolrm2 of acid centres w4x From heteropolyacid H ... catalyst loading 0.75 g , Ž homopolymerization of tetrahydrofurane: tetrahydrofuraneq H O or Ac O polyTHF Ž608C, h, catalyst loading 30% on THF , Ž3 synthesis of atocopherol Žvitamin E.: trimethylhydroquinone...

Ngày tải lên: 20/03/2014, 13:08

... them to a machine on the far side of the room, and instructed them as to its operation Soon the hundreds of tiny coils were humming, and a maze of tubes fed out of the machine, on which would be ... those who were part of that segment of history into which you inquire, have become but drifting dust Only within the feeble memory of your humblest servant is there any record of it Five millenniums! ... Think of it, O Beneficence! No need had we of clumsy, metal vessels But all that has changed Now no whirr of wings disturbs the air, and our formitectural splendors rise within The history of this...

Ngày tải lên: 23/03/2014, 02:20

... antigenic sites of the RPV-L strain were inconsistent with those of RPV-RBOK since subtle antigenic differences between virus strains and the preparation of the Mabs depend on the delineation of the sites ... with 50 μl of serial dilutions of un-labeled competing Mabs for 30 at 37℃ Without wash step, an equal volume of the biotinylated Mab of maximum absorbance was added into all wells of the plates ... ELISA If it Characterization of Antigenic Sites on the Rinderpest Virus N Protein Uusing Monoclonal Antibodies 61 Table Mapping of antigenic sites in the N protein of RPV-LATC strain by competition...

Ngày tải lên: 07/08/2014, 17:22

Ngày tải lên: 07/08/2014, 17:22

... result is in contradiction to those of several investigators who noted a significant effect of acid rain/mist upon cuticle structure and/or resistance The lack of apparent effect in the present ... suggested that uptake and/or supply of water may be impaired in the roots or acid- treated seedlings Pressure-volume analysis revealed significant effects of the acid mist Maximum turgor (’Fp, max) ... cell y crease wall, possibly the result of the acidification of the apoplast leading to cell wall loosening (Davies, proton-induced 1973) References Effects of Atmospheric Pollutants on Forests,...

Ngày tải lên: 09/08/2014, 04:20

... fertility of female rats and Stone et al (1991b) have suggested the implication of some fragile sites in tumoral chromosomal rearrangements in the mammary glands of dogs These features and some of the ... forms in goats and the aim of this work has been the adaptation of induction methodologies to begin studies of the detection and identification of folate-sensitive fragile sites in this karyotype ... study is needed of the sources of error which can lead to a significant percentage of false-positive results (a combination of Telomeric Structural Changes and NORs) A study of its genetic inheritance...

Ngày tải lên: 09/08/2014, 18:22

... Haploview [21] The estimation of the statistical power of the study to detect an effect of a polymorphism in disease susceptibility was performed using the CaTS Power Calculator software (Center for Statistical ... possible influence of these ACP1 polymorphisms in the presence and absence of ACPA; however, no evidence of association was observed In addition, we performed the analysis of allelic combinations ... investigated the possible influence of ACP1 polymorphisms in the risk of CV events in RA patients Of the 1,284 RA patients for whom information on presence or absence of CV disease was available, 229...

Ngày tải lên: 12/08/2014, 17:22

... variable Total concentration of weak acid (ATOT) Body fluid compartments have varying concentrations of nonvolatile (i.e non-CO2) weak acids In plasma these consist of albumin and inorganic phosphate ... describing the behaviour of weak ions occupying the SID space (Table 1) They are applications of the Law of Mass Action to the dissociation of water, H2CO3, HCO3–, and nonvolatile weak acids, coupled with ... Infusion of any of these fluids reduces plasma and extracellular SID by the same equilibration mechanism, irrespective of whether plasma [Cl–] rises or falls, forcing acid base in the direction of...

Ngày tải lên: 12/08/2014, 20:20

... pKa values of about 178 of the amino acids are far from the normal pH of 7.4 As a result, about 99 amino acids will have a fixed negative charge (mainly aspartic acid and glutamic acid) and about ... The A.B.C of Acid Base Chemistry Chicago: University of Chicago Press; 1974 27 Singer RB, Hastings AB: Improved clinical method for estimation of disturbances of acid- base balance of human blood ... may classify acid based disorders according to Stewart’s three independent variables Instead of four main acid base disorders (metabolic acidosis, metabolic alkalosis, respiratory acidosis, and...

Ngày tải lên: 12/08/2014, 20:20

... type of acid base abnormality, are not capable of quantifying the amount of acid or base that has been added to the plasma unless PCO2 is held constant This observation prompted the development of ... BE is the quantity of metabolic acidosis or alkalosis, defined as the amount of acid or base that must be added to a sample of whole blood in vitro in order to restore the pH of the sample to 7.40 ... principle of electrical neutrality, this difference is balanced by the weak acids and CO2 such that SID can be defined either in terms of strong ions or in terms of the weak acids and CO2 offsetting...

Ngày tải lên: 12/08/2014, 22:22

... classifications of metabolic acidosis have on patient outcome Hyperchloremic metabolic acidosis Even though many causes of metabolic acidosis may be unavoidable, often the source of metabolic acidosis ... does the type of acidosis matter? Metabolic acidosis may represent an overall poor prognosis, but does this relationship exist among the various types of metabolic acidosis? Lactic acidosis has ... determination of the primary etiology of a metabolic acidosis In the presence of a metabolic acidosis and a normal lactate and SIDa, the resulting charge balance must be composed of unmeasured...

Ngày tải lên: 12/08/2014, 22:22

... each of these to acid reflux and aspiration Acid reflux can certainly acidify the airway, but it is just one of several pathways leading to airway acidification Acids emanating from any level of ... Resolver Percentage of subjects 100% Positive EBC pH Profile Negative EBC pH Profile Figure Multi-sample EBC pH profiles of controls and patients Multi-sample EBC pH profiles of controls and patients ... to develop an EBC pH profile, and this profile allows for much greater sensitivity of the procedure by enhancing the likelihood of finding a correlation of cough with acidity if it is indeed...

Ngày tải lên: 13/08/2014, 08:20

... medical library Competing interests The author declares that they have no competing interests Page of (page number not for citation purposes) ...

Ngày tải lên: 13/08/2014, 16:21

... inhibitor of autophagy in vitro The phosphorylation status of P70 S6k, a downstream effector of mammalian target of rapamycin (mTOR), which is part of the LYNUS, shows that dissociation of ASM from ... concentrations of 100nM or 500nM increased levels of LC3B-II and decreased levels of LC3B-I, indicating autophagy The PI3k inhibitor LY294002 administered in concentrations of 100µM, but not of 50µM ... Secretion of Acid Sphingomyelinase: Implications for Selectivity of Ceramide Formation," Journal of Biological Chemistry, vol 285, no 46, pp 35706-35718, 2010 [10] R Hurwitz, K Ferlinz and K Sandhoff,...

Ngày tải lên: 24/08/2014, 09:45

... analysis of confirmed integration sites 39 vii LIST OF FIGURES Figure .Page Figure 3.1 Schematic figure of embryo injection of lentiviral vectors into perivitelline space of one-cell ... 2013 Analysis of Integration Sites of Transgenic Sheep Generated by Lentiviral Vectors Using Next-Generation Sequencing Technology Major Professor: Anna Malkova The development of new methods ... following: ul of 10X PCR buffer (Qiagen), ul of 10 mM dNTP, 0.5 ul of 0.5 uM LTR Ib-bio primer (IDT), 0.5 ul of Taq Polymerase (5 units/ul, Qiagen), 100 ng DNA, and ddH2O to make up total volume of 50...

Ngày tải lên: 24/08/2014, 13:51

... ACID- BASE BRØNTED-LOWRY • Acid: chất cho proton H+ • Base: chất nhận proton H+ H O + H Cl H Base Acid (proton acceptor) (proton donor) + H O H + Cl - H Conjugate acid Conjugate base of HCl of ... H2O ĐỘ MẠNH ACID • Hằng số acid Ka Acid mạnh Ka lớn ngược lại HA + H2O Ka H3O+ + A- H3O+ AKa = HA • Giá trị pKa = - log Ka Acid mạnh Ka lớn hay pKa nhỏ • Trong cặp acid- base: dạng acid mạnh (pKa ... Cân Acid- Base Trong phản ứng acid- base: dạng acid mạnh phản ứng với dạng base mạnh cho sản phẩm dạng acid base yếu O O H3C C O pKa = 4.74 H + CH3CH2OH H3 C C O− + + CH3CH2OH2 pKa = -2.5 Cân Acid- Base...

Ngày tải lên: 25/08/2016, 15:34

... structure of the complex of HylP2 with ascorbic acid shows that three molecules of ascorbic acid bind to HylP2 trimer at each one of the three concave surfaces (Fig 4) At site 1, ascorbic acid is ... in the presence of ascorbic acid In host tissue matrix, the ascorbic acid exists at concentrations in the range 0.2–8 mm [15], which are within the range of the IC50 of ascorbic acid against HylP2 ... subsites in the polysaccharide binding site of the TSbH domain of HylP2 The positions of ligands are indicated at the substrate binding groove (B) The view from the top shows the subsites of...

Ngày tải lên: 23/03/2014, 04:21

... competitive inhibitor of AChE with a KI value of 4.27 nM [11] The presence of an asymmetric carbon atom at the 2position of the indanone ring yields two enantiomers of E2020 of which the (R)-form ... p–p interaction of the phenyl ring of E2020 with Trp82 of BChE; (b) a strong electrostatic interaction between the charged ammonium nitrogen of E2020 and the c-oxygen of Asp70 of ˚ BChE which ... mutants of the implicated residue in two template enzymes Differences in the reactivity of E2020 toward AChE and BChE and a comparison of KI values of E2020 for mouse (Mo) AChE mutants of Trp86(84),...

Ngày tải lên: 30/03/2014, 20:20

... μg/ml of LPS or μg/ml of LPS and 25 μM TMP Following 24 h of treatment, supernatants were collected and levels of TNF-a (A) and MCP-1/ CCL2 (B) were determined by ELISA To assess the effects of ... oligonucleotides of cognate B sites on the TNF-a promoter by EMSA (Figure 4) LPS treatment of RAW 264.7 cells induced high levels of nuclear protein binding to a radiolabeled probe of the B3 site ... and stimulated with μg/ml of LPS or co-stimulated with μg/ml of LPS and 25 μM TMP for various amounts of time To visualize NF-B subcellular localization at the end of each treatment period,...

Ngày tải lên: 11/08/2014, 03:20