bond dissociation energies of nitrogen containing compounds

Nitrogen containing bisphosphonates impair the release of bone homeostasis mediators and matrix production by human primary pre-osteoblasts

Nitrogen containing bisphosphonates impair the release of bone homeostasis mediators and matrix production by human primary pre-osteoblasts

... concentrations of BPs can inhibit osteoblastogenesis and induce osteoblast apoptosis [16-21] The use of different experimental models and types of BPs, together with the employ of immortalized cell lines often ... cell lines often of murine origin, might be responsible of these conflicting in vitro results on osteoblast metabolism Therefore, we decided to investigate the effects of nitrogen containing BPs ... internalized into osteoclasts, non-nitrogen containing BPs are metabolized to non hydrolyzable ATP analogs that interfere with energy metabolism, whereas nitrogen containing BPs affect mevalonate...

Ngày tải lên: 16/01/2020, 01:44

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Highly selective cleavage C–O ether bond of lignin model compounds over Ni/CaO– H-ZSM-5 in ethanol

Highly selective cleavage C–O ether bond of lignin model compounds over Ni/CaO– H-ZSM-5 in ethanol

... efficiency of the cleavage of C–O bond in three typical lignin model compounds was investigated Moreover, according to the results, the possible pathways of C–O bonds cleavage of lignin model compounds ... the C–O bond of α-O-4 and β-O-4 could be completely cleaved within 60 min Although the C–O bond of 4-O-5 had high bond energy, 41.2% of conversion was occurred in 60 min The introduction of CaO ... bond of 2-methoxyphenyl anisole (α-O-4) could be almost cleaved in 15 min (Fig. 10a), producing 49.4% selectivity of toluene and 50.6% selectivity of guaiacol The result meant that the bond of...

Ngày tải lên: 29/05/2020, 13:45

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INFLUENCE OF NITROGEN, ACETATE AND PROPIONATE ON HYDROGEN PRODUCTION FROM PINEAPPLE WASTE EXTRACT BY Rhodospirillum rubrum

INFLUENCE OF NITROGEN, ACETATE AND PROPIONATE ON HYDROGEN PRODUCTION FROM PINEAPPLE WASTE EXTRACT BY Rhodospirillum rubrum

... of nitrogen (3mM of total nitrogen) was higher than at high level of nitrogen (11 mM of total nitrogen) Control (no N added) had a lower number of cells than the production media containing nitrogen ... liter: g of K2HPO4, 0.5 of MgSO4, 10 g of yeast extract, 15 mM L-malic acid (C-source) and 10 mM L-glutamic acid (N-source) Squeezed juice of pineapple waste Pineapple waste consisting of residual ... production by photosynthetic bacteria Effect of nitrogen levels and initial acetate concentrations Continuous illumination Upon investigation of the effect of nitrogen levels and initial acetate concentrations...

Ngày tải lên: 05/09/2013, 09:08

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

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

... applying amounts of the chemical fertilizers of nitrogen to less than half of the previous usage amounts, which was allowed to supply with organic fertilizers Then, the amounts of nitrogen applied ... The 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 ... 52% of total nitrogen (TN) and 14% of total phosphorus (TP) of the annual loads during the non-cropping period This also indicates that the nutrient loads should be estimated on the base of the...

Ngày tải lên: 05/09/2013, 09:38

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A study of linguistic features of proverbs containing weather terms in english versus vietnamese

A study of linguistic features of proverbs containing weather terms in english versus vietnamese

... University of Danang M.A THESIS IN THE ENGLISH LANGUAGE (A SUMMARY) The origin of the thesis is accessible for the purpose of reference at: - The College of Foreign Languages Library, University of Danang ... syntactic features of proverbs Providing Vietnamese learners of English and English learners containing weather terms in English? of Vietnamese with a practical knowledge of the field to enable ... 4.47: Relative Frequency of Semantic Fields of PCWT VPCWT because of the differences in culture and regions In the in English and Vietnamese scope of my thesis and the limit of my data, PCWT occur...

Ngày tải lên: 26/11/2013, 13:24

13 811 1
Tài liệu Glossary of Volatile Organic Compounds ppt

Tài liệu Glossary of Volatile Organic Compounds ppt

... Two natural sources of benzene are volcanoes and forest fires. Benzene is a natural part of crude oil, gasoline, and cigarette smoke. Benzene is one of the major components of JP-8 fuel. Industry ... moderate levels of trichloroethylene can get enlarged livers, and high levels of exposure can cause liver and kidney damage. Studies of people exposed over long periods to high levels of trichloroethylene ... In a large U.S study, 95% of the participants had a concentration of 1,4-dichlorobenzene up... a large U.S study, 95% of the participants had a concentration of 1,4-dichlorobenzene up...

Ngày tải lên: 14/02/2014, 03:20

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Tài liệu Báo cáo khoa học: Evolutionary divergence of valosin-containing protein ⁄cell division cycle protein 48 binding interactions among endoplasmic reticulum-associated degradation proteins ppt

Tài liệu Báo cáo khoa học: Evolutionary divergence of valosin-containing protein ⁄cell division cycle protein 48 binding interactions among endoplasmic reticulum-associated degradation proteins ppt

... mutation of Arg93 or Arg155 does not block binding of Atx-3 [39], this suggests that binding of VBM-containing proteins is unaltered by the IBMPFD mutations In view of the highly basic nature of the ... architecture of VCP–Cdc48p-containing complexes in ERAD, despite conservation of the principle of VCP–Cdc48p binding To understand more about the evolutionary conservation of the VBM in each of these ... the removal of the N-terminal, VBM-containing 16 amino acids of Ube4b blocks binding of the otherwise intact protein [8], this indicates similarities between the VCP-binding sites of intact ERAD...

Ngày tải lên: 18/02/2014, 13:20

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Tài liệu selective catalytic reduction technology for the control of nitrogen oxide ppt

Tài liệu selective catalytic reduction technology for the control of nitrogen oxide ppt

... ation oxidation of meriry compounds esos in fhe SCR unt The peesnce of eberdes ‘an have the rovers effec Enhance of terry remoel in deena POD —— “Đne quấy jofed merckryrenor fh dency of 9.98% for ... powerplants have boen the target of substantial regulatory activity since ‘enactment ofthe Clan Air Act of 1070 and he Clean A Act Amandments (CAAA) of 1980 mpiomenaton of he CAA Acid Fan Program (Tilo ... the potenti ome the weeds ‘of eetgy marks whl sasying relevant ‘envionment requremens, Pat of his program the demensaion ‘fteehanopesdesignedtonedaeemisions ‘oF oxides of ntozea (NO,) fom existing...

Ngày tải lên: 21/02/2014, 16:20

28 455 2
ANALYSIS OF NAMES OF ORGANIC CHEMICAL COMPOUNDS BY USING PARSER COMBINATORS AND THE GENERATIVE LEXICON THEORY doc

ANALYSIS OF NAMES OF ORGANIC CHEMICAL COMPOUNDS BY USING PARSER COMBINATORS AND THE GENERATIVE LEXICON THEORY doc

... theoretically possible chemical compounds, that is, they satisfy all the chemical constraints related to the organic compounds (such as bonds, kind of atoms which can appear in the compounds etc); • Incorrect ... syntactic analysis of the chemical names are guided by the types of the terms which they are composed of That is why the following suitable tools were used in the implementation of the system, obtaining ... Trang 1ANALYSIS OF NAMES OF ORGANIC CHEMICAL COMPOUNDS BY USING PARSER COMBINATORS Márcio de Souza Dias1, Rita Maria Silva Julia2 and Eduardo Costa Pereira3 1Department of Computer Science,...

Ngày tải lên: 05/03/2014, 20:20

23 545 0
Báo cáo khoa học: In vivo production of catalase containing haem analogues pot

Báo cáo khoa học: In vivo production of catalase containing haem analogues pot

... Table 1. In the case of Ru-meso, a low concentration had to be used because of the toxicity of this compound. Production of catalase was determined by immuno- blot analysis of cytoplasmic fractions ... prep- arations of isolated Cu-PP-KatA and Mg-PP-KatA, which contained only low amounts of metals; Cu-PP- KatA contained 0.04 mol of copper per mol of KatA polypeptide, and Mg-PP-KatA contained 0.02 mol of magnesium ... mol of KatA. Similarly, the prepara- tion of isolated PP-KatA contained little metal, < 0.08 mol of metal per mol of KatA polypeptide, except for zinc, which was found at 0.13 mol per mol of...

Ngày tải lên: 06/03/2014, 11:20

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Báo cáo Y học: The mechanism of nitrogen monoxide (NO)-mediated iron mobilization from cells NO intercepts iron before incorporation into ferritin and indirectly mobilizes iron from ferritin in a glutathione-dependent manner pot

Báo cáo Y học: The mechanism of nitrogen monoxide (NO)-mediated iron mobilization from cells NO intercepts iron before incorporation into ferritin and indirectly mobilizes iron from ferritin in a glutathione-dependent manner pot

... propose a model of glucose-dependent NO-mediated Fe mobilization. Keywords: chelators; ferritin; glutathione; iron; nitrogen monoxide. Many of the diverse biological effects of nitrogen monoxide (NO) ... efficacy of the well-characterized Fe chelators, DFO and 311 [34,41]. Each of the NO-generators resulted in the release of 18–24% of total cellular 59 Fe, whereas the relevant control compounds ... and complex I and II of the electron transport chain [4–6]. The high affinity of NO for Fe probably results in both the removal of Fe from [Fe–S] centres and the formation of dinitrosyl Fe species...

Ngày tải lên: 08/03/2014, 22:20

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DETERMINATION OF VOLATILE ORGANIC COMPOUNDS (VOC) IN CONSUMER PRODUCTS AND REACTIVE ORGANIC COMPOUNDS IN AEROSOL COATING PRODUCTS doc

DETERMINATION OF VOLATILE ORGANIC COMPOUNDS (VOC) IN CONSUMER PRODUCTS AND REACTIVE ORGANIC COMPOUNDS IN AEROSOL COATING PRODUCTS doc

... material in a product and the presence of any compounds prohibited by ARB regulations (“prohibited compounds”) Components of the product that not meet the definition of a VOC or are exempted by ARB ... the determination of the composition or concentration of fragrance components in products 1.4 The term “Executive Officer” as used in this document means the Executive Officer of the Air Resources ... weight (gm) of propellant EP 4.1.2 = weight (gm) of the non-propellant portion, excluding container and packaging = weight (gm) of exempt compounds in propellant For aerosol products containing...

Ngày tải lên: 14/03/2014, 20:20

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Báo cáo khoa học: Protein and mRNA content of TcDHH1-containing mRNPs in Trypanosoma cruzi pdf

Báo cáo khoa học: Protein and mRNA content of TcDHH1-containing mRNPs in Trypanosoma cruzi pdf

... fields of each developmental form were ana- lyzed, and more than 95% of the parasites had the appearance described above. Protein composition of TcDHH1-containing complexes Cytoplasmic complexes containing ... some of those mainly expressed in the other forms of the T. cruzi life cycle. These data suggest that mRNPs containing TcDHH1 are involved in mRNA metabolism, regulating the expression of, at ... experimental approaches were used to investigate the presence of mRNA granules in developmental forms of T. cruzi. Table 1. Protein composition of TcDHH1-containing complexes. IP, complexes immunoprecipitated...

Ngày tải lên: 15/03/2014, 23:20

12 482 0
Báo cáo khóa học: Mutational and structural analysis of cobalt-containing nitrile hydratase on substrate and metal binding pdf

Báo cáo khóa học: Mutational and structural analysis of cobalt-containing nitrile hydratase on substrate and metal binding pdf

... size of the hydrophobic pocket Fig. 5. Superimpositioning of the metal centers of the wild-type enzyme and mutants of the cobalt-containing nitrile hydratase (Co-type NHase) and the iron-containing ... another hydrogen bond (2.55 A ˚ )withanoxygenatomoftheside- chain of aSer112 (Fig. 2). This hydrogen bond is also present in the native NHase [19] and Fe-type NHase structures [15]. The alkyl group of n-butyric ... (A) Vicinity of aThr109 of the Co-type NHase. Thewild-typeenzyme,aT109S mutant, and Fe-type NHase are shown in yellow, red and cyan, respectively. The Cc2atomofaThr109 and the Cc1atomofaVal136 of the...

Ngày tải lên: 16/03/2014, 16:20

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Source Identification of Volatile Organic Compounds in Houston, Texas pdf

Source Identification of Volatile Organic Compounds in Houston, Texas pdf

... s i are the values of wind direction and wind speed of sample i. The ranges of wind direction and wind speed are divided into a series of subranges having similar numbers of samples in each. ... ordinarybilinear receptormodel canbe written as where X is the matrix ofVOCs’ concentrations, F isthe matrix of source profiles, G is the matrix of source contributions, and E is the residuals matrix. Their ... respectively understood as the concentration of compound j measured in sample i, the concentration of compound j in the emission of source p, and the strength of source p on sample i (16, 19). In this...

Ngày tải lên: 22/03/2014, 14:20

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Báo cáo khoa học: Novel dissociation mechanism of a polychaetous annelid extracellular haemoglobin pptx

Báo cáo khoa học: Novel dissociation mechanism of a polychaetous annelid extracellular haemoglobin pptx

... indicating possible degradation of the protein. Kinetic of dissociation of Arenicola Hb Dissociation of Arenicola Hb followed by gel filtration The extent of dissociation of purified Arenicola Hb over ... popula- tions of A. marina. A complex mechanism of dissociation Dissociation profile of Arenicola Hb The dissociation of Arenicola Hb was investigated in detail at alkaline pH and in the presence of urea. ... t20h % HBL t10h % D t10h B Fig. 5. Kinetics of dissociation of Arenicola haemoglobin (Hb). Time course of the dissociation of Arenicola Hb (solid line) and of the dodecamer (D) (broken line) at different...

Ngày tải lên: 23/03/2014, 10:21

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Báo cáo khoa học: " mechanical determination of the constituents of german substantive compounds" pot

Báo cáo khoa học: " mechanical determination of the constituents of german substantive compounds" pot

... conventional written form of the majority of the compounds of certain impor- tant languages lacks graphic indication of the “seam” between their constituents. Moreover, many compounds permit more ... dissection of compounds, economy of access time, and consid- erations of source-target semantics. They make it necessary to divide the German MT memory into a number of sub-memories. One of these ... groups of compounds described in a) can not be their size, but must be the con- tinued productivity of one of the two mean- 8 e. reifler ings of the constituents concerned. The group of compounds...

Ngày tải lên: 23/03/2014, 13:20

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Chemical evolution of volatile organic compounds in the outflow of the Mexico City Metropolitan area potx

Chemical evolution of volatile organic compounds in the outflow of the Mexico City Metropolitan area potx

... on the characterization of volatile organic compounds (VOCs) in the MCMA, both on the ground and aloft and on the emission, transport, and transformation of VOCs downwind of the metropolitan area ... individual and classes of VOC species This will be used to help understand the chemical transformation of air parcels as they are exported out of and downwind of the MCMA For organic compounds the VOC ... evolution of volatile organic compounds Fig The top 20 compounds measured at T0 (top panel) and T1 (lower panel) in terms of mixing ratios between 09:00 and 18:00 local time averaged over the month of...

Ngày tải lên: 28/03/2014, 20:20

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Báo cáo sinh học: "A nanoporous interferometric micro-sensor for biomedical detection of volatile sulphur compounds" pot

Báo cáo sinh học: "A nanoporous interferometric micro-sensor for biomedical detection of volatile sulphur compounds" pot

... observed shift of wavelength and the corresponding change of EOT signal are attributed to a change of the porous refractive index of nanoporous AAO layer as a result of the adsorption of H 2 S molecules ... tightly sealed microfluidic structure containing the AAO substrate (part 2), and a syringe pump for suction of a known volume of air (part 3) as shown in Figure 3. Before collection of a breath sample, ... integration of multiple AAO nanoporous sensor substrates to the microfluidic device, an unbonded microfluidic structure was fabricated in two reusable halves and sealed during use by fixing in a bondless...

Ngày tải lên: 18/06/2014, 22:20

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