نتایج جستجو برای: temperature fixed at 15oc. vaccine titers
تعداد نتایج: 4164500 فیلتر نتایج به سال:
this experiment was conducted to determine the effect of vitamin c (vc) and coenzyme q10 (coq10) onimmunity response of broilers in cold stress condition using 500 male chicks in a completely randomizeddesign with 5 treatments and five replicates. treatments were: positive control (pc, normal conditionsgrowth without antioxidants), negative control (nc, cold stress without antioxidants), cold s...
in this thesis we will present three topics. we define approximate fixed points in fuzzy normed spaces. also we obtain some necessary and sufficient conditions on the existence of? -fixed points for ? > 0. at the continue some results about approximate fixed points for a class of non-expansive maps on g-metric spaces are obtained and we define approximate fixed points in partial metric spa...
The poliovirus vaccine field is moving towards novel vaccination strategies. Withdrawal of the Oral Poliovirus Vaccine and implementation of the conventional Inactivated Poliovirus Vaccine (cIPV) is imminent. Moreover, replacement of the virulent poliovirus strains currently used for cIPV with attenuated strains is preferred. We generated Cold-Adapted Viral Attenuation (CAVA) poliovirus strains...
abstract dormancy in potato minituber buds is one of the limiting factors on planting them after harvesting. this study was undertaken in a completely randomized nested with arrengment three replications to examine the effective hormonal and temperature treatments on rapid breaking of minitubers dormancy at 2008. treatments included gibberellic acid (2 and 5 mg/l), benzyl adenine (5 and 10 mg/l...
Capsular antisera against the 72 types of Klebsiella have been prepared in rabbits by using an acetone-dried vaccine. It was shown that encapsulated cells dried with acetone and ground to a fine powder with a mortar and pestle retain their capsules. Antisera obtained from rabbits vaccinated with these vaccines had quellung titers ranging from 1:16 to 1:64. The dried vaccine was stable after sto...
In this study we lyophilized three types of live attenuated polioviruses (Sabin vaccine strains) and evaluated the lyophilized vaccine viruses' heat stability. The virus titers were measured after heating at 37 and 45 and then compared with the titers of conventional liquid vaccine viruses similarly treated. The results showed that lyophilization, while slightly reducing vaccine virus titers,...
Antivenom antibody titers following administration of rattlesnake venom for antivenom production in horses are well documented; however, antivenom antibody titers following natural rattlesnake envenomation in horses are not. Antibody titers produced in response to the commercially available rattlesnake venom vaccine are also not published. Our study objectives were to measure antivenom antibody...
in this thesis, a better reaction conditions for the synthesis of spirobarbiturates catalyzed by task-specific ionic liquid (2-hydroxy-n-(2-hydroxyethyl)-n,n-dimethylethanaminium formate), calcium hypochlorite ca(ocl)2 or n-bromosuccinimide (nbs) in the presence of water at room temperature by ultrasonic technique is provided. the design and synthesis of spirocycles is a challenging task becaus...
Newcastle disease (ND) is one of the most serious illnesses of chickens. Live vaccines are widely used to prevent chicken from the disease all over the world. To access the effective and potentiate ND vaccine, a homogenous subpopulation from LaSota strain was selected following cultivation of the virus on primary chicken embryofibroblast (CEF) cells. Pathogenicity indices and molecular characte...
Oxidative stress effects on growth, viability, pigment (chlorophyll a, chlorophyll b, β-carotene) and protein contents in Antarctic microalga Choricystis minor were investigated. C. minor was cultivated at optimal (23.5oC), or extreme (15oC 27.5oC) temperatures and light intensity of 520 and 1000 μmol m-2 s-1. Oxidative stress was developed by adding Sanosil which degrades to H2O2 and Ag +. As ...
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