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Autor:
Seyed Mohammad Taghdisi, Mohammad Hassanzadeh Khayyat, Bibi Sedigheh Fazly Bazzaz, Khalil Abnous, Vahid Soheili, Mohammad Ramezani
Publikováno v:
Microchimica Acta. 183:1687-1697
Aptamers specific for the antibiotic streptomycin were identified by a modified SELEX procedure that employs magnetic beads. After eight rounds of selection, twenty-six aptamers were identified and clustered into seven groups according to similaritie
Publikováno v:
Microchimica Acta. 182:1501-1507
The colorimetric assay for neomycin presented here is based on melamine-modified gold nanoparticles (mel-AuNPs) and the finding that hydrogen bonding between melamine and neomycin results in the aggregation of mel-AuNPs. This results in a change in t
Publikováno v:
Microchimica Acta. 182:395-400
We describe a highly sensitive method for the determination of traces of xanthine based on the aggregation of citrate-stabilized gold nanoparticles (AuNPs). It is found that, under optimal conditions of pH, the imide group of xanthine is adsorbed on