نتایج جستجو برای: oil adjuvant
تعداد نتایج: 181992 فیلتر نتایج به سال:
The effect of polyadenylic acid:polyuridylic acid complex (poly A:U) on immunization was investigated in mice vaccinated by killed Brucella melitensis cells suspended in incomplete adjuvant or in saline. Addition of 300 mug of poly A:U to vaccines rendered 3 x 10(8)B. melitensis cells in saline as immunogenic as 3 x 10(11) cells in oil adjuvant against a severe B. abortus challenge. In the mous...
abstract background and aims: vaccination of poultry has a major impact on the prevention and control of avian influenza viruses. nanobiotechnology techniques provide a new approach for improvement of influenza vaccine efficacy. in this study, efficacy of an inactivated nano-adjuvant vaccine developed based on an endemic h9n2 virus was evaluated in spf chickens. materials and methods: in each t...
A procedure is described for the production of a highly concentrated Bacteroides nodosus bacterin. An oil adjuvant bacterin which elicited the best antibody response in rabbits produced a response in sheep which lasted for at least 6 months.
Immunity assays in guinea-pigs based on spleen mass: body mass ratios showed that live vaccines were markedly more effective than inactivated oil adjuvant vaccines in providing protection against challenge with 5 000 virulent organisms.
The immunogenicities and efficacies of a licensed diphtheria, tetanus, acellular pertussis, and inactivated poliovirus vaccine and the same vaccine formulated in a liposome/oil emulsion adjuvant were compared in a mouse model of pertussis respiratory infection. A single dose of the liposome/oil emulsion-adjuvanted vaccine produced significantly higher antibody levels than one dose of the licens...
This is the first on the modulation of norfloxacin antibiotic activity by the volatile compounds of an essential oil. We report the chemical composition and antibiotic modifying activity of the essential oil extracted from the leaves of Croton zehntneri Pax et Hoffm (variety estragole), using the minimal inhibitory dose method and gaseous contact. The leaves of Croton zehntneri Pax et Hoffm (Eu...
Objectives. The adjuvant activity of Epimedium polysaccharide-propolis flavone liposome (EPL) was investigated in vitro and in vivo. Methods. In vitro, the effects of EPL at different concentrations on splenic lymphocytes proliferation and mRNA expression of IFN-γ and IL-6 were determined. In vivo, the adjuvant activities of EPL, EP, and mineral oil were compared in BALB/c mice through vaccinat...
Introduction O f all medical innovations, vaccines have had by far the greatest impact in reducing the morbidity and mortality of infectious diseases. Although antigens have always been the lead products of the vaccine industry, over the last decade adjuvants have received far greater attention. The first vaccine adjuvants were developed in the 1920’s, when it was found that addition of irritan...
BACKGROUND Adjuvant formulations are critical components of modern vaccines based on recombinant proteins, which are often poorly immunogenic without additional immune stimulants. Oil-in-water emulsions comprise an advanced class of vaccine adjuvants that are components of approved seasonal and pandemic influenza vaccines. However, few reports have been published that systematically evaluate th...
The experimental model of rheumatoid arthritis has not yet been established. Currently, two acceptable models of rheumatoid disease are being studied (Pearson, 1964), i.e. adjuvant-induced polyarthritis in rats and homologous disease (Ryzewska and Ryzewski, 1965; Ryzewski and Ryzewska, 1965). Polyarthritis appearing in rats after a subcutaneous injection of spleen cell suspension or homogenate ...
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