نتایج جستجو برای: coding region of virus
تعداد نتایج: 21252575 فیلتر نتایج به سال:
abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...
vp2 gene coding region of a vaccinal strain (d78) of infectious bursal disease virus (ibdv) was clonedin a eukaryotic expression vector, psec tag2a. the gene was placed downstream of ig κ chain leadersequence, under the control of human cytomegalovirus (hcmv) immediate early enhancer and promoter. theconstruct psec tag2a-vp2 was transfected in cos-7 cell line and the expression and secretion of...
a significant problem in multicarrier communication systems is the necessity to reduce the value of papr (peak-to-average power ratio) of transmitting signal. in this thesis we study the effect of the system parameters such as coding and modulation types on papr and ultimate ber in a mc-cdma system. in this study we consider fading channel as well as the nonlinearity of transmitter’s amplifier ...
in order to examine the ecological conditions and characteristics of fraxinus excelsior l. in the northern forests of iran 6 main areas as well as some miscellaneous ones , have been selected in the region respectively in : lomir2, shafaroud , park - e-noor , ahlam , alandan and noor.
VP2 gene coding region of a vaccinal strain (D78) of infectious bursal disease virus (IBDV) was clonedin a eukaryotic expression vector, pSec Tag2A. The gene was placed downstream of Ig κ chain leadersequence, under the control of human cytomegalovirus (hCMV) immediate early enhancer and promoter. Theconstruct pSec Tag2A-VP2 was transfected in COS-7 cell line and the expression and secretion of...
background: detection of hepatitis c virus specific antibodies is the initial step in chronic hcv diagnosis. hcv ns4b is among the most immunogenic hcv antigens and has been widely used in commercial enzyme immunoassays (eia). additionally, ns4b, a key protein in the virus replication, can be an alternative target for antiviral therapy.objectives: development of a new method for high-level exp...
foot-and-mouth disease (fmd) is a major cause of endemic outbreaks in livestock in iran. in this study, clinical field samples of foot-and-mouth disease virus were collected from an outbreak in khorasan razavi province during april and august of 2010, and subjected to indirect sandwich elisa and rt-pcr. the viral serotype circulating during the period was confirmed to be type o. the virus was t...
in this study a nested-pcr assay was optimized for detection of two bvdv biotype of nadl strain. a part of 5' non-coding region of virus, 249 bp in size, was amplified in rt-pcr. pcr product was cloned in a ptz57r/t vector and sequencing results confirmed the specificity of the test. internal primers were designed and a 155 bp dna fragment was amplified in nested-pcr. the sensitivity of rt...
Objective(s): Production of a recombinant and immunogenic antigen using dengue virus type-3 envelope protein is a key point in dengue vaccine development and diagnostic researches. The goals of this study were providing a recombinant protein from dengue virus type-3 envelope protein and evaluation of its immunogenicity in mice. Materials and Methods: Multiple amino acid sequences of different i...
the hepatitis g virus (hgv) is a newly discovered rna virus, which is associated with acute or chronic hepatitis. a survey was conducted in thalassemic patients, intravenous drug users (ivdu) and blood donors aiming to investigate the prevalence of hepatitis g virus (hgv) infection in these groups in tehran. the presence of hgv rna in these populations was determined using reverse transcriptase...
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