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   Synthesis of nano-sized sulfur nanoparticles and their antibacterial activities  
   
نویسنده suleiman m. ,al-masri m. ,al ali a. ,aref d. ,hussein a. ,saadeddin i. ,warad i.
منبع journal of materials and environmental science - 2015 - دوره : 6 - شماره : 2 - صفحه:513 -518
چکیده    Sulfur nanoparticles (s-nps) were prepared in this work by precipitation method using sodium thiosulphate and tetraoctylammonium bromide surfactants in conc. hydrochloric acid media. the sizes and shapes of s-nps were confirmed by scanning electron microscope (sem),transmission electron microscopy (tem) and x-ray diffraction (xrd) techniques. broth micro-dilution method was applied to determine antibacterial activity of s-nps against staphylococcus aureus,escherichia coli and pseudomonas aeruginosa reference strains. s-nps exhibited antimicrobial activity (mic = 5.47μg/ml) against staphylococcus aureus strain (gram-positive bacterium). on the other hand,no antimicrobial activity was detected against gram-negative bacteria isolates (escherichia coli and pseudomonas aeruginosa) at 0.68 to 800 μg/ml.
کلیدواژه Antimicrobial activities; SEM; Sulfur nanoparticles (S-NPs); TEM; XRD
آدرس department of chemistry,an-najah national university, Palestine, department of biology and biotechnology,an-najah national university, Palestine, department of chemistry,an-najah national university, Palestine, department of chemistry,an-najah national university, Palestine, faculity of medicine,an-najah national university, Palestine, department of physics,an-najah national university, Palestine, department of chemistry,an-najah national university, Palestine
 
     
   
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