نتایج جستجو برای: nucleic acid synthesis
تعداد نتایج: 1107142 فیلتر نتایج به سال:
Cationic liposomes (CLs) are studied worldwide as carriers of DNA and short interfering RNA (siRNA) for gene delivery and gene silencing, and related clinical trials are ongoing. Optimization of transfection efficiency and silencing efficiency by cationic liposome carriers requires a comprehensive understanding of the structures of CL-nucleic acid complexes and the nature of their interactions ...
PURPOSE In our previous study, Ag+-loaded TiO2 and Ag+-loaded SiO2 coatings for tracheal intubation were prepared to prevent ventilator-associated pneumonia (VAP), but the antimicrobial targets and the underlying mechanisms of TiO2 and Ag-TiO2 (Ag+) are still unclear. We attempted to elucidate the antimicrobial activity and potential mechanisms against Staphylococcus aureus. METHODOLOGY The s...
BACKGROUND Adriamycin (ADR) is an effective chemotherapeutic agent against cancers but its clinical use is limited due to its cardiotoxicity. It has been suggested that the pathogenesis involves inhibition of nucleic acid and protein synthesis, free radical formation and lipid peroxidation. Schisandra (SC) has strong antioxidant activity. We investigate the protective effects of SC on adriamyci...
A combination of purines and thymine has long been known to substitute for folic acid (FA) in the nutrition of microorganisms requiring the vitamin. The purines were found to be interchangeable, but the effect of thymine was specific and could only be duplicated by its desoxyriboside, thymidine (l-4). From these and other studies on inhibition analysis (5, S), it was concluded that the purines ...
The Central Dogma. This states that once 'information' has passed into protein it cannot get out again. In more detail, the transfer of information from nucleic acid to protein may be possible, but transfer from protein to protein, or from protein to nucleic acid is impossible. Information means here the precise determination of sequence, either of bases in the nucleic acid or of amino-acid res...
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