نتایج جستجو برای: non viral carrier
تعداد نتایج: 1513344 فیلتر نتایج به سال:
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Although outbreaks are uncommon, equine viral arteritis is an important disease because of the potential risk of abortion in mares and establishment of the carrier state in a relatively high percentage of infected stallions. Equine arteritis virus carrier stallions constitute an important reservoir of infection, and appropriate precautions have to be taken when nonimmunized mares are inseminate...
Several foot-and-mouth disease virus (FMDV) carrier cattle were identified in Vietnam by the recovery of infectious virus from oropharyngeal fluid. This report contains the first near-complete genome sequences of seven viruses from sequential samples from one carrier animal collected over the course of 1 year. The characterization of within-host viral evolution has implications for FMDV control...
In the absence of any ideal gene delivery carrier despite the recent explosion of novel carrier systems, the current trend is to explore the complementary synergy promised by a combination of delivery systems such as liposomes, which are the most widely researched versatile non-viral carriers, and tissue-engineered scaffolds with macrostructures of defined architecture comprised of natural or s...
Introduction: Water can be a carrier environment for pathogens or provide the conditions for the spread of a disease or various infectious cases. Covid-19 outbreak was declared a pandemic by the World Health Organization on 12 March 2020. The main routes of transmission of the virus are through drapelet and individual transmission, although recent research confirms the presence of viral RNA in ...
Every virus is a parasite that cannot exist on its own and fully dependent carrier. This the basic condition of existence. The must have host, thus living cell, but it generally claimed can without carrier for 2 to 5 seconds, during which transmitted another species. Following these viral pathways not easy has been investigated. However, this key issue lead major paradigm shift in way we percei...
Objective(s): Although viral vectors are considered efficient gene transfer agents, their board application has been limited by toxicity, immunogenicity, mutagenicity and small gene carrying capacity. Non-viral vectors are safe but they suffer from low transfection efficiency. In the present study, polyallylamine (PAA) in two molecular weights (15 and 65 kDa) was modified by alkane derivatives ...
Recently, non-viral vectors for nucleic acid delivery have received considerable attention. Among the various non-viral vectors, branched polyethylenimine (bPEI, 25 kDa) has been one of the most widely used carrier systems due to its high transfection efficiency, however, it imparts high cytotoxicity. In this study, we have crosslinked bPEI with a bioreducible linker, 3,3'-dithiodipropionic aci...
Gene silencing by RNA interference (RNAi) is a promising approach for gene therapy. However, up to today, it is still a major challenge to find safe and efficient non-viral vectors. Previously, we reported PEI-Bu, a small molecular weight PEI derivative, as an efficient non-viral carrier. However, like many PEI-based polymers, PEI-Bu was too toxic. In order to reduce cytotoxicity while maintain...
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