نتایج جستجو برای: thermosensitive
تعداد نتایج: 1699 فیلتر نتایج به سال:
Multifunctional thermosensitive dendrimeric nanocarriers were generated via tailored surface modification. Such design not only facilitated the rapid endosomal escape of dendrimers, but also achieved tunable surface hydrophobicity, which could be employed to achieve on-demand cargo release. These smart dendrimers are promising for enhancing intracellular drug delivery.
The Bacillus subtilis thermosensitive mutant ts-21 bears two C-G-->T-A transitions in the mnaA gene. At the nonpermissive temperature it is characterized by coccoid cell morphology and reduced cell wall phosphate content. MnaA converts UDP-N-acetylglucosamine into UDP-N-acetylmannosamine, a precursor of the teichoic acid linkage unit.
An 8.5-megadalton plasmid coding for sulfonamide resistance was found in a clinical isolate of Neisseria meningitidis, as demonstrated by plasmid elimination and transformation experiments. The plasmid complemented a mutation which determines the production of a thermosensitive dihydropteroate synthetase in Escherichia coli, thus suggesting that the mechanism of resistance involved a plasmid-en...
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