نتایج جستجو برای: inoculation medium
تعداد نتایج: 257090 فیلتر نتایج به سال:
Three studies tested a stereotype inoculation model, which proposed that contact with same-sex experts (advanced peers, professionals, professors) in academic environments involving science, technology, engineering, and mathematics (STEM) enhances women's self-concept in STEM, attitudes toward STEM, and motivation to pursue STEM careers. Two cross-sectional controlled experiments and 1 longitud...
A technique for inoculation with precise numbers of fungal spores on leaves and stems of plants was developed. The technique consisted of placing 1-μl drops with a fixed number of spores on the surface of leaves and stems, and covering each inoculum drop with a 10-μl drop of low-temperature gelling SeaPlaque agarose to fix the inoculum on the target site. With this technique single zoospores of...
Halvorson (2012) argues that the semantic view of theories leads to absurdities. Glymour (2013) shows how to inoculate the semantic view against Halvorson’s criticisms, namely by making it into a syntactic view of theories. I argue that this modified semantic-syntactic view cannot do the philosophical work that the original “languagefree” semantic view was supposed to do. According to Clark Gly...
It is possible to reduce the resistance of guinea pigs to tuberculosis by x-ray exposures, so that when animal inoculation is required for a diagnosis a much quicker result may be had than by the use of normal animals. In renal tuberculosis when it is necessary to resort to the use of animals, it ordinarily requires from 5 to 7 weeks, while by the use of x-rayed guinea pigs the diagnosis can be...
The idea that smallpox could be eradicated was not necessarily the ultimate aim when inoculation was introduced in Europe in the 1720s. This potentiality was not clearly articulated as an aim until the end of the eighteenth century. This article argues that during most of the eighteenth century, the main aim of inoculation was to lead people as safely as possible through what was regarded as an...
We examined the utility of infecting chicken embryos as a means of evaluating the virulence of different Francisella sp. strains and mutants. Infection of 7-day-old chicken embryos with a low dose of F. novicida or F. tularensis subsp. holarctica live vaccine strain (LVS) resulted in sustained growth for 6 days. Different doses of these two organisms were used to inoculate chicken embryos to de...
BACKGROUND Abiotrophia species have rarely been implicated in osteoarticular infections. We report one case of an A. defectiva knee prosthesis infection. CASE PRESENTATION A 71-year-old man of Italian origin presented with pain and swelling of the knee four years after the implantation of a total knee replacement prosthesis. While standard culturing of the synovial fluid resulted in no isolat...
Previous work from this laboratory has demonstrated the persistence of Bacteroides intermedius in the livers of mice receiving an intraperitoneal inoculum of B. intermedius and Fusobacterium necrophorum. This study was undertaken to determine whether F. necrophorum enhanced the in vitro growth of B. intermedius. Tryptose phosphate broth did not support the growth of B. intermedius alone, but th...
The very rapid growth rate (1 population doubling/day) of normal human epidermal keratinocytes (HK) cultured in serum-free medium can be utilized for wound closure in burn treatment. However, rapid growth in vitro may present the possibility of neoplastic transformation. To investigate this possibility, HK were cultured from primary isolation to large populations in MCDB 153 medium supplemented...
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