Résumé
A chemical investigation on
Résumé
<p><b>OBJECTIVE</b>To research the isolation method, identification and screen for bioactivities endophytic fungi from ginkgo.</p><p><b>METHOD</b>Endophytic fungi from ginkgo were separated. By means of microdilution method, activities of endophytes against pathogenic fungi were tested. Then, using DPPH, the antioxidant activities were measured.</p><p><b>RESULT</b>Nine strains (16.1%) showed antifungal activities against Candida albicans, Cryptococcus neoformans, Trichophyton rubrum and Aspergillus fumigatus. Among these bioactive strains, the growth of T. rubrum was strongly inhibited by T-1-2-1, as the MIC80 was equal to fluconazole, the positive control. Five strains (8.9%) showed antioxidant activities. Among them sample T-3-2-2 and T-6-5-7 showed the strongest antioxidant activities.</p><p><b>CONCLUSION</b>Endophytic fungi of ginkgo would be potential and rich resources for drug development.</p>
Sujets)
Antifongiques , Pharmacologie , Aspergillus fumigatus , Candida albicans , Cryptococcus neoformans , Fluconazole , Pharmacologie , Champignons , Chimie , Ginkgo biloba , Microbiologie , Tests de sensibilité microbienne , TrichophytonRésumé
Objective To investigate multifunctional direct digital radiography system (DDR) in clinical practice, in order to improve the applied value of it.Methods EPEX DDR was performed in 1000 cases,these images were analysedby 3 senior radiologists and tried to find the best method of usually positions. Results The quality of DDR was assessed as grade A in73.00%, grade B in 22.70%, grade C in 4.30%, and no waste film.Conclusion DDR is easy to operate, fast in capturing image and can provide post-processing techniques, which will facilitate the accurate diagnosis of radiography.