summary of substitutions and the disease status of h pylori
Cloning, expression and characterization of novel helicobacter pylori differentiating antigen heat shock protein 20
... between the Dutch and Chinese isolates was the highest They therefore concluded that cagA-positive H pylori populations in China and the Netherlands are distinct Similarly, in the study of vacA ... contribution of HSP20 in the process of H pylori infection led to the DNA analysis of 227 H pylori isolates which shows that hsp20 gene is conserved in all strains tested The phylogram based on the DNA ... gene than that for the housekeeping genes The other virulence factors gene is vacA Atherton et al (1999) examined the Ks, Ka and Ka/Ks of vacA alleles m1 and m2 The results showed that the greatest...
Ngày tải lên: 12/09/2015, 10:19
Báo cáo hóa học: " New low-viscosity overlay medium for viral plaque assays" pot
... media and mixed the plate either by tapping with hand or using a plate mixer The media included increased amounts of trypsin (1.5 µg/ ml) to compensate for the dilution of the overlay with the virus-containing ... each type, 1.2% (Fig 3), 0.6%, and 0.3% (data not shown) The plaque size was independent of the Avicel type, and the number of the plaques depended neither on the Avicel type nor concentration ... described in the Methods section Numbers depict final concentration of the inhibitor (µM) after the addition of the overlay Avicel stocks, and always mixed Avicel overlays before use by either shaking...
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
... focused in the vicinity of the razor notch, which reflects the failure mode RESULTS AND DISCUSSION 3.1 Reactivity Table shows the effect of the CTBN content on the reactivity of the EP In the CTBN/EP/IPD ... the case of the tensile properties; the flexural strength and modulus of modified EPs are lower than those of the unmodified EP The decrease of the modulus can be attributed to the presence of ... Figure The KIC of the CTBN-modified EP samples is higher than those of the unmodified EP The improvement in the fracture toughness can be attributed to the incorporation of CTBN in the EP that can...
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
... essentially from spherical The shape anisotropy of non-spherical particles will hinder the free rotation of the particles and therefore the viscosity of the fluid increases Moreover, due to the magnetic ... VSM in the magnetic field intensity range, ~ 20Oe The sample holder is in the shape of a cylinder and a ratio between the height and diameter equal to Due to the low concentration of the particle ... obtained from the low field curve by using vi = (dM/ dH )H fi while H0 is obtained from the same curve at high external fields where M versus 1 /H is linear with an intercept on the M axis of 1 /H0 The magnetic...
Ngày tải lên: 22/06/2014, 22:20
Low Rate Wireless Personal Area Networks
... network (WPAN) • List the different WPAN standards and their applications • Explain how IrDA, Bluetooth, and ZigBee work • Describe the security features of low-rate WPAN technology What is a WPAN? ... communicate • They both transmit using SIR • Then they shift to FIR speed RF WPANs • Offer functionality beyond that of IR devices • Include – Bluetooth – 802.15.4 (ZigBee) IEEE 802.15.1 and Bluetooth • ... authority – Private company that 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...
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"
... completed for each radiograph, addressing the indication for the radiograph and whether it changed the patient's management Of the CXRs performed in the medical and surgical patients, 20% and 26%, respectively, ... whether they would make changes in daily management of their patients in the present study; instead, we observed whether abnormalities on the CXRs led to a change in therapy We believe that this ... of the study and manuscript revision JK was involved in the design and statistical analysis of the study MS conceived and coordinated the study and was involved in the interpretation of the data...
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"
... khú khn bng b tr 4.5 Tớnh tỡnh tht thng Tr cú th khúc sut v t rt kớch thớch hay tr t rt yờn tnh , khụng khúc hay khụng ci 4.6 Khú khn giao tip Tr khụng phn ng hay phn ng kộm so vi cỏc tr khỏc ... 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 Trong ... gõy khú khn chm súc nh thay ỏo qun, tm ra, lỳc chi Khi ln lờn tr khụng th t n, t mc ỏo qun, t i v sinh, hay chi vi tr khỏc c.Tr cú th mm nhn khin u tr khụng th gi c hay tr t nhiờn cng nh g khin...
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"
... were provided with the informed consent and protocol approved by the IRB, which described the details of the trial including side effects and the mechanisms of withdrawal from the study Diagnostic ... increase in the prevalence of low back pain of 162% with an annual increase of 11.6% The widely held belief that most of the episodes of low back pain will be short-lived, with 80% to 90% of these attacks ... discharge,70 the blockade of the axonal transport,72,73 the block of the sympathetic reflex arc and sensitization,74,75 and anti-inflammatory effects.76 The long-term effectiveness of local anesthetics...
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"
... pathology of chronic diseases, and using antioxidants, such as the EPRT device used in this experiment, might change the concept of management of chronic diseases Conflict of Interest The authors ... neuropathy had affected his feet and he could not feel the shoe rubbing A small superficial ulcer developed on his 5th toe which became infected and subsequently, the 5th toe was amputated His condition ... (30) In these conditions there is an elevation of both glucose and free fatty acid levels in the blood and an increase in oxidative stress (30,31) The high degree of oxidative stress might have...
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"
... non-parametric method [33] These two methods allowed us to analyze whether a gene had no expression change (null hypothesis) or whether it did (alternative hypothesis) Based on the expression measurements, ... analyzed the interaction between the ethanol-regulated genes studied using Pathway Architect software (Stratagene) Figure 3A shows the reported interactions of each of these genes ITGB4 and ANK3 ... al The integrin, alpha6beta1, is necessary for the matrix-dependent activation of FAK and MAP kinase and the migration of human hepatocarcinoma cells Hepatology 2001;34:42-9 40 Zhong H, Zhu J,...
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"
... later in this female population These results are similar to those of Chen et al [13] who investigated the possibility of gender specificity in the BMI effect on the development of asthma They used ... FEV1 and PEF and individual heights The other “standard” confounding factors for lung function measurements, gender and age, were not controlled for as the cohort only consisted of women of the ... around 10% home visit examinations The strengths of the study are the unusually high participation rate at baseline (90%), the comprehensiveness of examinations and the access to 11 national registers...
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"
... cells Ethanol caused a strong inhibition of the GPCR signaling pathway as shown by phosphorylation of GRK2 and PKCα; with values of 109% and 104%, respectively, combined with dephosphorylation of ... 0.05), and h (# p < 0.05) Ethanol regulates the expression of genes of the Fas signaling cascade To further investigate the role of ethanol-induced apoptosis on gene expression, the mRNA level of ... transduction initiated through the GPCR [26, 27] Furthermore, the regulatory mechanism of ethanol-induced apoptosis through the GPCR signaling pathway was also confirmed by the increased apoptotic...
Ngày tải lên: 31/10/2012, 15:37
Báo cáo y học: "Low temperature tolerance of human embryonic stem cells"
... embryos from which they originated Hence, the first few reported studies [7, 8] on the establishment of new hESC lines emphasized the use of temperature-heated stage and pre-warmed and pre-equilibrated ... to the initial number of cells before exposure to low temperature, a 6-well culture dish with the same 125 density of hESC colonies was subjected to the MTT assay on the same day that the other ... culture media Nevertheless, the results of this study would prove otherwise hESC of the H9 line isolated by Thomson and colleagues [7] was demonstrated to possess relatively high tolerance to prolonged...
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"
... Thus potential associations of PPARδ with HDL-C levels could be masked by the profound effect of overweight on HDL-C in the patients with high BMI To establish whether differences regarding the ... and BMI where appropriate Results The frequency of the C-allele was 0.24 and the genotypes were distributed according to the Hardy Weinberg Equilibrium Overall the C allele frequency was higher ... 2006, 109 of 40-55 g Patient compliance was supervised by handing out a nutritional diary which was submitted at each of the further visits to the clinic After weeks the patients attended the clinic...
Ngày tải lên: 31/10/2012, 17:03
Báo cáo y học: "Monte Carlo Commissioning of Low Energy Electron Radiotherapy Beams using NXEGS Software"
... 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 of primary axis profiles, the ... interpolation) the central axis PDD and the primary axis and diagonal profiles at all but the greatest depths at which the measurements were made We neglect the greatest depth because the dose there is ... 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 others: performance...
Ngày tải lên: 03/11/2012, 10:05
A low power high dynamic range broadband variable gain amplifier for an ultra wideband receiver
... Since the VGA is used before the ADC, bandwidth and linearity requirements should be comparable with those of the ADC; otherwise, the performance of the ADC will be degraded The specifications of ... compensation scheme is used to further extend the VGA bandwidth The DC offset cancellation is implemented to eliminate the offset voltage and fix the DC voltage level at the output of VGA This thesis ... For the case of the programmable current mirror, the gain control is achieved by the bias control circuit Even though there are switches in this bias circuit, none of them are in the signal path,...
Ngày tải lên: 06/11/2012, 10:26
Nghiên cứu ảnh hưởng của sét hữu cơ đến một số tính chất của epoxy
... tính MMT sử dụng [1] Công thức h a h c Tên gọi CH3N+ClCH3(CH2)2NH2 CH3(CH2)3NH2 CH3(CH2)7NH2 CH3(CH2)9NH2 CH3(CH2)11NH2 CH3(CH2)15NH2 CH3(CH2)17NH2 HOOC(CH2)5NH2 HOOC(CH2)11NH2 (CH3)4 N+ClCH3 ... chịu nhiệt chống cháy tốt, có tính chất che chắn, khả phân huỷ sinh h c… • Tính chất h c cao: Do có tương tác kết dính tốt pha pha gia cường nano, với kích thước nhỏ bé khả phân tán tốt h t gia ... môi, khuấy - Thêm chất đóng rắn theo h m lượng xác định khuấy tiếp thời gian 1h3 0 - Dùng chổi lông mịn phủ màng lên thép, kính chuẩn bị theo TCVN - Sản phẩm để khô tự nhiên không khí 2h ÷ 3h, tiếp...
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