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A Simple and ‘Green’ Synthesis of Polymer‐Based Silver Colloids and Their Antibacterial Properties
Author(s) -
Bo Lili,
Yang Wu,
Chen Miao,
Gao Jinzhang,
Xue Qunji
Publication year - 2009
Publication title -
chemistry and biodiversity
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.427
H-Index - 70
eISSN - 1612-1880
pISSN - 1612-1872
DOI - 10.1002/cbdv.200800112
Subject(s) - colloid , polyethylene glycol , transmission electron microscopy , antibacterial activity , chemistry , polymer , chemical engineering , particle size , nanotechnology , stabilizer (aeronautics) , peg ratio , solvent , dynamic light scattering , particle (ecology) , bacteria , nuclear chemistry , materials science , organic chemistry , nanoparticle , mechanical engineering , finance , engineering , economics , genetics , oceanography , geology , biology
table silver colloids were prepared using polyethylene glycol (PEG) as an environment friendly reduction agent and stabilizer, and with H 2 O as solvent. The Ag colloids were characterized by UV/VIS spectroscopy, transmission electron microscopy (TEM), and atom force microscopy (AFM). TEM and AFM of the sample showed uniform and monodispersive particle distribution in the colloids. The particle size is found to be less than 10 nm. The antibacterial activity of the Ag colloids was also studied. The results showed that the sample had high antibacterial activity toward Gram ‐positive and Gram ‐negative bacteria, and fungi.