... stabilization of CagA in H pylori, indicating the indirect association of HSP20 with pathogenesis of H pylori through CagA The probable contribution of HSP20 in the process of H pylori infection led to the ... akin to that of HSP60 Therefore, it is useful to study the unique role of HSP20 as a protein mainly expressed in the spiral form of H pylori that might be involved in the process of H pylori infection ... expressed in both eukaryotes and prokaryotes that are detected in folding, transporting and stabilization of proteins in cells As one of the virulence factors, HSPs are indispensable for maintaining the...
Ngày tải lên: 12/09/2015, 10:19
... chances of cross-contamination during removal of the inoculums In the experiment illustrated in Fig 6, we infected MDCK-SIAT1 cells in a 96-well plate with serial virus dilutions in the standard maintenance ... were inoculated with tenfold dilutions of A/Memphis/14/96-M (H1N1) as depicted at the bottom of the figure After h of incubation, the viral inoculums were removed from the top eight rows of the ... affect the assay results Plaque assay in 6-well plates One hour after infecting the cell monolayers with 30–50 plaque forming units of the virus in ml of maintenance medium without trypsin, we...
Ngày tải lên: 20/06/2014, 01:20
Báo cáo vật lý: "Compatibility, Mechanical, Thermal, and Morphological Properties of Epoxy Resin Modified with Carbonyl-Terminated Butadiene Acrylonitrile Copolymer Liquid Rubber" pps
... particles in the epoxy matrix The reduction in strength is also due to the presence of rubber.18,19 A more important reduction in the properties was observed in the case of the modified epoxy containing ... high load of CTBN i.e., 15 and 20 phr CTBN This indicates a plasticizing effect of the incorporated rubber The plasticizing effect is also reflected in the increase in tensile strain of CTBN-modified ... Fractography The effect of CTBN content and different testing speeds on the KIC of the EPs is shown in Figure The KIC of the CTBN-modified EP samples is higher than those of the unmodified EP The improvement...
Ngày tải lên: 07/08/2014, 14:20
Báo cáo hóa học: " Initial susceptibility and viscosity properties of low concentration e-Fe3 N based magnetic fluid" pdf
... particles will hinder the free rotation of the particles and therefore the viscosity of the fluid increases Moreover, due to the magnetic interaction, the formation of agglomerates, chains and other structures ... shape of a cylinder and a ratio between the height and diameter equal to Due to the low concentration of the particle in the samples, and the high aspect ratio of the cylinder, the demagnetizing ... susceptibility The Langevin initial susceptibility of the samples was obtained and shown in Fig According to Weiss model for magnetic fluid [8], Weiss initial susceptibility of a self-interacting magnetic...
Ngày tải lên: 22/06/2014, 22:20
Low Rate Wireless Personal Area Networks
... verifies the authenticity of users 16 Security in Infrared WPANs • Limited to the line -of- sight characteristic of this type of connection • IrDA specification makes no provision for encrypting data ... at the LMP layer – Using authentication • Authentication is based on identifying the device itself • Authentication scheme is a challenge-response strategy • Encryption is the process of encoding ... with WPANs • One of the most serious concerns is social engineering • Designing security in WPANs – Much more difficult task than in other networking technologies • Public key infrastructure (PKI)...
Ngày tải lên: 13/09/2012, 10:52
Báo cáo khoa học: "The clinical value of daily routine chest radiographs in a mixed medical–surgical intensive care unit is low"
... removal of intravenous lines) The observers were not involved in the daily care of the patients, and ICU physicians were not aware of this part of the observation As a consequence, the clinical ... finding' was any old finding not expected by the attending physician If an important finding (as mentioned in Table 1) was found, then we determined whether any action was taken because of the ... CXRs after insertion of endotracheal tubes, intravenous lines and chest drains, but not after insertion of nasogastric tubes In addition, CXRs were obtained in the case of worsening of oxygenation...
Ngày tải lên: 25/10/2012, 10:39
Báo cáo y học: " 6-Month Results of Transdiscal Biacuplasty on Patients with Discogenic Low Back Pain: Preliminary Findings"
... lit Cỏc loi bi nóo Biu hin ca bi nóo rt a dng tn thng nóo khỏc nhau, vy chỳng ta cú th xp bi nóo theo biu hin chớnh Ba biu hiu chinh ny cú th phi hp hay kốm thờm nhng biu hin ph khỏc: 5.1.Cng c ... cỏc du chng nh bi nóo, song tin trin cng ngy cng xu i Lõm sng 4.1 Du hiu sm - Lỳc sinh : ngi mm nhn Tr bỡnh thng Tr mm nhn hỡnh ch U b tr t th nm sp 4.2 Chm phỏt trin ỏửu chỏỷm ngỏứn 4.3 Khú ... s hay c s y t chuyờn khoa - Trong qỳa trỡnh sinh , trỏnh s dng cỏc thuc co búp t cung nh oxytocin - Sau sinh cn phi cho tr bỳ m v phi bo m tr c dinh dng tt - Tiờm phũng bnh cho tr c bit l tiờm...
Ngày tải lên: 25/10/2012, 11:22
Báo cáo y học: " Evaluation of Lumbar Facet Joint Nerve Blocks in Managing Chronic Low Back Pain: A Randomized, Double-Blind, Controlled Trial with a 2-Year Follow-U"
... change the outcomes The number of joints involved was as follows: joints were involved in 70% of the patients and joints were involved in 30% of the patients Bilateral involvement was seen in 79% of ... stimulating the facet joint capsule Surprisingly, they53 also showed that the introduction of physiologic saline into the zygapophysial joint reduced the stimulation pathway from the intervertebral ... intraarticular injections has been the inflammation of the joint This report consists of the 2-year results of the comparativeness of lumbar facet joint nerve blocks with or without steroids evaluated in...
Ngày tải lên: 26/10/2012, 09:07
Báo cáo y học: "Ultra-low microcurrent in the management of diabetes mellitus, hypertension and chronic wounds: Report of twelve cases and discussion of mechanism of action"
... in the development of the oxidative stress (68) If our findings are proven by further studies involving a larger number of patients, ultra-low microcurrent therapy might change the concept of ... pathogenesis of insulin resistance in humans using magnetic resonance spectroscopy Obesity (Silver Spring) 2006;14 (Suppl 1): 34S–40S 31 Boden G Role of fatty acids in the pathogenesis of insulin resistance ... symptomatic instead of a causal treatment for oxidative stress (67) Interruption of the overproduction of superoxide by the mitochondrial electron transport chain would normalize the pathways involved in...
Ngày tải lên: 26/10/2012, 09:39
Báo cáo y học: "Functional genomics analysis of low concentration of ethanol in human hepatocellular carcinoma (HepG2) cells. Role of genes involved in transcriptional and translational processes"
... activation of cytokines and chemokines in monocytes and macrophages (including Kupffer cells) [41, 42], and ethanol-induced mucosal injury in the upper gastrointestinal tract leading to increase in the ... NM_014393 ▲ 1.52 regulation of transcription protein binding double-stranded RNA binding DNA binding ▼ 5.02 protein binding NM_001149 NM_004242 ▲- increased ▼- decreased Validation of microarray results ... of ethanol (100 mM) induced the expression of genes involved in the metabolism of ethanol [16] In addition, the metabolism of ethanol 33 results in an increased production of toxic metabolites...
Ngày tải lên: 31/10/2012, 15:28
Báo cáo y học: "Low socio-economic status, smoking, mental stress and obesity predict obstructive symptoms in women, but only smoking also predicts subsequent experience of poor health"
... participated in 1968-1969 and were alive at the follow-up examinations) of 91%, 83%, 70% and 71%, respectively The participation status of the original cohort (born in 1930) at the time of the 32-year ... studies have been initiated in different parts of the world, the Framingham Study being an early example [20] As far as we know, there has been no other study of women with a combination of representative ... consent, in accordance with the provisions of the Helsinki Declaration Conflict of Interests The authors have declared that no conflict of interest exists References Lundbäck B, Lindberg A, Lindström...
Ngày tải lên: 31/10/2012, 15:34
Báo cáo y học: " Low concentration of ethanol induce apoptosis in HepG2 cells: role of various signal transduction pathways"
... after its initial effect on protein kinases phosphorylation The most strikingly and novel finding obtained hereby was the strong inhibition of the GPCR signaling pathway induced mainly by increased ... either inhibition or activation of various intracellular signaling pathways leading to a pro-apoptotic effect These findings suggest that low concentration of ethanol shifts the balance into the ... representing increases of 1- and 12-fold, respectively These data confirm the effect of ethanol on intracellular signal transduction resulting in increased expression of transcription factors Int...
Ngày tải lên: 31/10/2012, 15:37
Báo cáo y học: "Low temperature tolerance of human embryonic stem cells"
... culture within bioreactors Conflicts of interest The authors have declared that no conflict of interest exists References Becker EW The roles of ATP in the dynamics of the actin filaments of the cytoskeleton ... Inc, St Louis, MO, USA) constituted in PBS, to each well (4.8 cm2) of the 12-well dish, following by incubation for h at 37 °C in the dark After incubation, the MTT solution was removed and the ... reference to the initial absorbance reading obtained for the unexposed control prior to exposing the rest of the culture dishes to low temperature (see Table 1) Table The majority of hESC survived...
Ngày tải lên: 31/10/2012, 16:57
Báo cáo y học: "Association of the T+294C polymorphism in PPAR δ with low HDL cholesterol and coronary heart disease risk in women"
... primarily due to the influence of the +T294C SNP The C allele frequency of 0.24 in our high risk patient group was similar as the frequency of 0.21 reported by Chen et al in their study for chd ... humans Of note both animal studies used obese models to investigate the effect of an activated PPARδ In an obese state the activities of numerous interacting genes are altered which may influence the ... effect of PPARδ on metabolism In our data and in the study by Skogsberg et al., the effect of the C allele on lipid levels increased if over-weight individuals were excluded from the study Since...
Ngày tải lên: 31/10/2012, 17:03
Báo cáo y học: "Monte Carlo Commissioning of Low Energy Electron Radiotherapy Beams using NXEGS Software"
... difference in beam fringe or penumbra, which we define as the distance between the 90% of maximum and 50% of maximum points on the profile δ2: for points in the high dose gradient region of the penumbra ... in part is to determine whether and how choice of commissioning set influences the quality of the simulations, we take two simple approaches in comparing the performance of each set against the ... percentage of maximum dose at the depth of the profile δ3: for points within the beam but away from the central axis, measured as a percentage difference of the local dose This includes points just off...
Ngày tải lên: 03/11/2012, 10:05
A low power high dynamic range broadband variable gain amplifier for an ultra wideband receiver
... gain is linear and independent of the bias currents of the transistors, which makes it insensitive to the process variations b) The gain-bandwidth-product of this structure is a constant, so the ... determine the current gain To obtain 14dB of variable gain range, and include the consideration of the tradeoff mentioned previously, K = and M = are selected With this combination, the maximum gain ... overview of the proposed VGA s IV.2.1 System-level design of the proposed VGA IV.2.2 Introduction of the building blocks of the proposed VGA IV.3 Detailed discussion of the VGA building blocks...
Ngày tải lên: 06/11/2012, 10:26
Nghiên cứu ảnh hưởng của sét hữu cơ đến một số tính chất của epoxy
... (CH3)3Br(CH3(CH2)17)2N+(CH3)2ClCH2(CH2)17N+(C6H5)CH2 Methylamine hyđrochloride Proyl amine Butyl amin Octyl amine Decyl amine Dodecyl amine Hexadecyl amine Octadecylamine Axit - Aminohexanoic Axit 12 - Aminododecanoin Tetramethyl ammonium ... dọc theo vết cắt, diện tích bị bong từ 5-15% diênh tích mạng lưới Màng bị bong dọc theo vết cắt hay mản hình vuông, diện tích bong từ 15- 30% diện tích mạng lưới Màng bị bong dọc theo vết cắt, theo ... Trên sở cấu trúc tứ diện bát diện, sét có lớp tứ diện xếp theo trật tự liên tục hình thành cấu trúc kiểu 1:1, cấu trúc tinh thể kiểu caolinite Nếu lớp bát diện nhôm oxit bị kẹp hai lớp silic oxit...
Ngày tải lên: 18/03/2013, 11:49
Tổng quan và mục tiêu của luận án tổng hợp cao su Epoxy, cao su Epoxy acrylat
Ngày tải lên: 23/03/2013, 08:07
Kết quả và biện luận tổng hợp cao su Epoxy, cao su Epoxy acrylat
Ngày tải lên: 23/03/2013, 08:08