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Influenza-B Victoria/乙型流感病毒Victoria 504/00

点击次数:349发布时间:2012/11/5 18:59:54

Influenza-B Victoria/乙型流感病毒Victoria 504/00

更新日期:2024/10/16 16:00:43

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简单介绍:Influenza-B Victoria/乙型流感病毒Victoria 504/00

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Influenza-B Victoria/乙型流感病毒Victoria 504/00

产品编号:IHA-018
产品规格:10μg/50μg/1mg
 
 
 
Introduction Influenzavirus B is a genus in the virusfamily Orthomyxoviridae. The only species in this genus is called "Influenza B virus". Influenza B virus only infects humansand seals. This limited host range is apparently in contrast with those caused by the similar Influenza virus Aas both mutate by both genetic drift and reassortment. Influenza-B virus evolves slower than A viruses and faster than C viruses. Influenza-B virus mutates at a rate 2-3 times lower than type A. However, influenza B mutates enough that lasting immunity is not possible. The Influenza B virus capsidis enveloped while its virionconsists of a matrix protein + envelope + nucleoprotein complex + nucleocapsid, and a polymerasecomplex. Influenza B is sometimes spherical and sometimes filamentous. Its 500 or so surface projections are made of hemagglutinin and neuraminidase.
The Influenza B virus is 14648 nucleotideslong and consists of eight segments of linear negative-sense, single-stranded RNA. The multipartite genome is encapsidated, each segment in a separate nucleocapsid, and the nucleocapsids are surrounded by one envelope.
Description Allantoic fluid of 10 days old embryonated eggs, inoculated with influenza B virus, strain B/Victoria/504/00. The Influenza B Virus was purified by Ultracentrifugation with 10-40 % sucrose gradient.
Inactivation Thimerosal and beta propiolactone treatment
This product has been treated in a manner consistent with methods of inactivation. Generally accepted good laboratory practices appropriate to microbiological/viral safe handling practices and techniques are required at work.
Physical Appearance Sterile Filtered colorless solution.
Formulation The B/ Victoria /53/99solution contains STE, 0.1 % sodium azide (NaN3) and 0.005 % thimerosal.
Stability B/Victoria/504/00 although stable 4°C for 4 weeks, should be stored desiccated below -18°C.
Please prevent freeze-thaw cycles.
Immunological Activity Serological studies of influenza B virus, immunogen for antibody production.
Tested with anti-influenza B monoclonal antibodies in ELISA.
Purity Greater than 90.0% as determined by SDS-PAGE.
Usage ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

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