نتایج جستجو برای: serial biological concentration
تعداد نتایج: 871604 فیلتر نتایج به سال:
A classification of four possible routes of Darwinian evolution is presented. These are serial direct evolution, parallel direct evolution, elimination of functional redundancy, and adoption from a different function. This classification provides a conceptual framework within which to investigate the accessibility by Darwinian evolution of complex biological structures.
Canine pancreatitis is a relatively common disorder, and its mortality rate remains high. However, prognostic factors for pancreatitis based on evidence are limited. Moreover, the relationship between changes in C-reactive protein (CRP) concentration-an important prognostic factor for human patients with acute pancreatitis-and the prognosis of dogs with pancreatitis has not been widely studied....
Drug abuse is a serious problem causing health, economical and psycho-social negative outcomes. Methadone is commonly used drug for management of drug addiction. Exhaled breath condensate (EBC) is a promising non-invasive biological sample which attracted more attention in recent years. This work aimed to extend the applicability of a developed preconcentration – liquid chromatographic method f...
Primary cultures of epithelial cells from human prostate acini proliferate in defined medium. However, the limited availability of human tissue and the lack of knowledge of the conditions required for clonal growth and serial culture of epithelial cells have limited progress in the study of human prostate cell biology. Here we report conditions that permit the proliferation of single epithelial...
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