... reversed binding of the substrate, in which the leaving group, p-nitrophenol, occupies the acyl binding site and the acetyl group binds at the leaving group binding site, sterically hindering the deacylating ... the synthesis of ampicillin were obtained from fitting Eqn (8) to the data For synthesis of penicillin G, a value of 0.018 mM)1 for the slope of the curve was obtained, but due to the almost linear ... experiments and nucleophile binding studies we were able to obtain values for the kinetic constants for hydrolysis and synthesis of penicillin G, ampicillin and cephalexin Furthermore, insight into the...
Ngày tải lên: 08/03/2014, 08:20
... that are linked with the hard and soft tissues of the neck, head, face and all of the intraoral structures (American Academy of Orofacial Pain and Okeson, 1996) The trigeminal nerve forms the primary ... receptors, MAPK/ERK, and sterol regulatory element binding protein (SREBP) Maprotiline and phenylephrine induced binding of SREBP-2 to the SRE region on the iPLA2 gene, as determined by electrophoretic ... sometimes 2.1 Orofacial pain Orofacial pain is defined as “pain within the structures of the oral cavity and face, usually of a diffuse pattern” (Zwemer, 1998) Orofacial pain includes pain disorders...
Ngày tải lên: 09/09/2015, 08:15
Study of the associated proteins of STAT3 and characterization of their functions roles of GRIM 19 and PIN1 in the regulation of STAT3 activity
... mediate the interaction with other proteins The DNA-binding domain resembles an eight-stranded β-barrel, where several loops between the β strands of this domain participate in DNA-binding Between the ... change within STAT proteins, followed by the exposure of their PIAS interaction domains 1.5 STAT ubiquitination and degradation In contrast to the studies made in the other areas of negative regulation ... binding to the tyrosine kinase domain of JAK and therefore reducing the JAK kinase activity However, CIS has been reported to interfere with the phosphorylated tyrosine on the specific cytokine...
Ngày tải lên: 15/09/2015, 17:10
Some aspects of American culture and society in the twentieth and twenty-first centuries through a number of selected short literary works
... the differences in the behaviors and attitudes of the grandmother, the father and the mother and the children at least cause discontent to one another The grandmother held the floor most of the ... character and setting Technique has to with the structuring of the story into the plot so that the writer can convey the theme and the manipulating of the language in order to express the ideas of the ... from the beginning of the story in her decision where to go, in her introduction of the scenery along the journey While the father, the mother and the children enjoyed going to Florida, The grandmother...
Ngày tải lên: 07/11/2012, 15:01
Tài liệu fishery and utilisation of mesopelagic fishes and krill in the north atlantic potx
Ngày tải lên: 23/02/2014, 12:20
Báo cáo khoa học: Delineation of the roles of FadD22, FadD26 and FadD29 in the biosynthesis of phthiocerol dimycocerosates and related compounds in Mycobacterium tuberculosis pptx
... in our knowledge of the biosynthesis of DIMs and PGLs, the in vivo functions of these FadD proteins in this pathway remain to be established and ⁄ or completed For instance, the involvement of ... Schematic representation of the roles of the FadD proteins encoded by the DIM + PGL locus in the biosynthesis of DIMs and related compounds in Mycobacterium tuberculosis The role of the activation enzymes ... onto PpsA during DIM biosynthesis prompted us to examine whether another FadD protein is specifically involved in the activation of the PpsA substrates during the formation of PGLs Among the fadD...
Ngày tải lên: 15/03/2014, 11:20
Báo cáo khoa học: Light regulation of CaS, a novel phosphoprotein in the thylakoid membrane of Arabidopsis thaliana doc
... is involved in interaction with 14-3-3 proteins and proteins with the ‘forkhead-associated’ (FHA) domain These domains are found in a variety of signaling proteins, and can bind directly to the ... identification of two light-dependent protein kinases involved in phosphorylation of thylakoid proteins STN7 protein kinase is essential for phosphorylation of Lhcb1, Lhcb2 and Lhcb4 proteins [11,17] and, ... Thr380 in the C-terminus of the protein Making use of two chloroplast protein kinase mutants of STN7 and STN8, it was possible to assign CaS as a likely substrate of the chloroplast-targeted STN8 protein...
Ngày tải lên: 30/03/2014, 04:20
networks of innovation change and meaning in the age of the internet
... existing node The links would show up as a numbered list at the bottom of each page, and the only way of finding information was by browsing the links, starting from the start page The links between ... outlining the history of the World Wide Web It asks who invented the Web, what were the resources used in its invention, and what actually was invented in the process Many of the details of this ... that there is a normal way of using the phone, and a corresponding standard interpretation of the meaning of the thing In some circumstances a telephone may be a perfect hammer; most of the time,...
Ngày tải lên: 01/06/2014, 10:08
morewood - 1824 - an essay on the inventions and customs of both ancients and moderns in the use of inebriating liquors
Ngày tải lên: 12/06/2014, 11:29
Báo cáo hóa học: " An exploration of job stress and health in the Norwegian police service: a cross sectional study" docx
... AMB was involved in conception and design, acquisition, analysis and interpretation of data and drafting of the manuscript EH was involved in design, interpretation of data, drafting of the manuscript ... manuscript and supervision ØE was involved in conception and design, interpretation of data, drafting of the manuscript and supervision BL was involved in analysis and interpretation of data AMB is the ... questionnaire consists of questions examining the occurrence, intensity and duration of muscle/skeleton pain, migraine/headache, and digestive problems for the last 30 days [26,27] Seven of the 10 items...
Ngày tải lên: 20/06/2014, 00:20
báo cáo hóa học:" Regulation of microRNA biosynthesis and expression in 2102Ep embryonal carcinoma stem cells is mirrored in ovarian serous adenocarcinoma patients" pdf
... that the mechanisms facilitating tumourigenesis without differentiation may represent an avenue for targeting Ovarian cancer is the 8th leading cause of cancer in women in the US and the leading ... facilitated by the Drosha, Dicer and eIF6 proteins Mature miRNAs hybridize at multiple locations along their target mRNA, including the seed region of the 3' untranslated region (UTR) [21] In most ... miRExpression of miRNA biosynthesis genes and mature miRNAs in undifferentiated NTera2 and 2102Ep EC cells The relative expression levels of miRNA biosynthesis genes Drosha, Dicer and eIF6 in undifferentiated...
Ngày tải lên: 20/06/2014, 07:20
Báo cáo khoa học: "Immunohistochemical study of caveolin-1 and -2 in the rat retina" pps
... esuom htiw Co4 ta thginrevo rof detabucni neht dna mures esroh lamron %01 ot desopxe erew snoitces eht ,SBP ni sehsaw eerht retfA ytivitca esadixorep suonegodne kcolb ot nim 02 rof retaw dellitsid ... dna ,02 -neewT %1.0 gniniatnoc SBT ni semit eerht dehsaw erew stolb ehT 2-niloevac ro ,1-niloevac rehtie tsniaga ydobitna esuom htiw h rof detabucni neht erew senarbmeM h rof )lCaN Mm 051 dna ,4.7 ... ot degufirtnec neht dna )nitpepuel lm/gµ 01 ,ninitorpa lm/gµ 01 ,FSMP Mm ,4OV3aN Mm ,04 tedinoN %1.0 ,lCaN Mm 021 ,sirT Mm 04( reffub sisyl ni dezinegomoh yletarapes erew star morf straeh dna...
Ngày tải lên: 07/08/2014, 18:21
Báo cáo lâm nghiệp: "Effects of defoliation on the frost hardiness and the concentrations of soluble sugars and cyclitols in the bark tissue of pedunculate oak (Quercus robur L.)" potx
... significance of the increase in R2 by including additional variables into the model were tested using the distribution of F values [37] RESULTS 3.1 Growth increment, freezing injury and frost hardiness In ... occurring in consecutive years – reduces the frost hardiness of the bark in the following winter via a reduction in the content of soluble sugars and/ or cyclitols To obtain preliminary indications ... of this index was 0% (no freezing injury) to 100% (tissue completely killed by freezing) Low index values indicate high frost hardiness and vice versa For the determination of this index of injury,...
Ngày tải lên: 08/08/2014, 01:21
Báo cáo khoa học: " The role of marine salt and surfactants in the decline of Tyrrhenian coastal vegetation in Italy" ppt
... trees of P pinea, P tobira, Q ilex and A opalus growing When interpreting the results of the chemical analysis of rainwater and deposits it is necessary to bear in mind the interactions between the ... However part of the chlorides absorbed by the needle are released during rinsing In the rainwater samples there can be interferences with atmospheric dust and dry deposits of nonmarine origin In any ... INTRODUCTION Since the early 1960s the vegetation in a number of coastal areas has been affected by a kind of decline which, in terms of both quality and intensity, is very different from the...
Ngày tải lên: 08/08/2014, 19:21
Báo cáo y học: "Expression analysis of three isoforms of hyaluronan synthase and hyaluronidase in the synovium of knees in osteoarthritis and rheumatoid arthritis by quantitative real-time reverse transcriptase polymerase chain reaction" potx
... deviation of the baseline of fluorescent signal intensity The CT value of the βactin message was used as an internal standard When the target messages were detected in both the control samples and the ... showed that the message expression of hyaluronidase-2 in the synovium of OA and RA was approximately four times that in the control synovium This finding suggests that in OA and RA, the protein expression ... volume of hyaluronan from the joint, and the total volume of joint fluid The production of hyaluronan in OA or RA may be decreased because of the reduced expression of HAS-1 and -2 messages The...
Ngày tải lên: 09/08/2014, 01:24
Báo cáo khoa học: " Kinetic modeling of tumor growth and dissemination in the craniospinal axis: implications for craniospinal irradiation" pps
... suspend treatment of the spine temporarily while treatment of the brain continues Since the brain and spine are in communication via the cerebrospinal fluid, holding treatment in one compartment ... the ultimate goal of evaluating and optimizing therapeutic intervention within the contexts of these models [11] In this report we describe a kinetic model of tumor transport in the craniospinal ... levels of N-cadherin were seen in astrocytic tumors that had disseminated via the CSF [28] The values of kshed and kadh may in part be functions of the status of proteins such as the cadherins in...
Ngày tải lên: 09/08/2014, 10:21
Báo cáo y học: " Contrasting chromatin organization of CpG islands and exons in the human genome" pot
... exon inclusion into mature transcripts The main- tenance of these marks in coding exons might be assisted by DNA sequence conservation, as indicated by the observation that coding sequences in the ... across non-coding exons (NCEs), coding exons, and flanking introns according to their relative positions within the transcript All exons and introns were partitioned into ten bins and the average ... green) by the start codon and stop codon, respectively The ends of the introns (orange) are connected to those of the flanking exons by the black lines (b) Exon inclusiveness measured as the relative...
Ngày tải lên: 09/08/2014, 20:22
Báo cáo y học: "Central fatigue and nycthemeral change of serum tryptophan and serotonin in the athletic horse" potx
... (TPH) and aromatic L-amino acid decarboxylase [2,11] 5-HT is a metabolic precursor of melatonin in the pineal gland and is believed to be involved in the control of sleep and in clock resetting ... amino acids and monoamine synthesis in the central nervous system: influence of the diet J Nutr Biochem 1990, 1(10):508-517 Ganguly S, Coon SL, Klein DC: Control of melatonin synthesis in the mammalian ... occurrence of fatigue in order to maintain high performance standards This can be achieved through a specific and continuous training programme [3] Consequently, training and sporting activity in the...
Ngày tải lên: 10/08/2014, 09:20
Báo cáo y học: " Functional cooperation of of IL-1b and RGS4 in the brachial plexus avulsion mediated brain reorganizatio" pps
... Regulated in the motor cortex Regulated in the brain stem IL-1 protein (AJ250429) ↑ ↑ ↑ interleukin signal transducer (BC058679) ↑ ↑ ↑ regulator of G -protein signaling (NM_009062) ↑ ↑ Regulated in the ... synaptobrevin and protein tyrosine phosphatase signified the increased synaptic efficacy and formation of new synaptic buttons of the existing projections [26,27], which might pinpoint the compensatory ... signaling, the emerging picture of G protein signaling (RGS) proteins reveals a highly diverse, multifunctional signaling network, which could permit fine-tuning of its interaction with cytokines [13-15]...
Ngày tải lên: 10/08/2014, 10:20
báo cáo khoa học: "Instrument development, data collection, and characteristics of practices, staff, and measures in the Improving Quality of Care in Diabetes (iQuaD) Study" pptx
... the clinical management behaviours of individual clinicians and the organisations they work in In the United Kingdom, patients are managed by the integrated activities of clinical and non-clinical ... run by SH and MPE with data handling and analyses by SH, ES, JP, and NS, and ongoing advice on operationalisation of theoretical constructs by ME, MJ, and JJF Writing of the paper was led by MPE ... 235 studies reported being inspired by or applying theories [1] Since then there has been a steady increase in the number and type of studies testing or applying specific theories Systematic reviews...
Ngày tải lên: 10/08/2014, 10:23