Abstract The current study concerns the valorization of waste rice hulls into value-added materials. To achieve this goal, first, extraction route mesoporous silica nanoparticles (SiO 2 NPs) from using citric acid as a carbon template was compared with that prepared by conventional methods incineration only. Both routes were performed at different temperatures 600 and 700°C, fabricated SiO NPs ...

results the results revealed the formation of spherical silver nanoparticles with an average size of 10 nm. moreover, concentration of snps in a 25 ml sample containing both snps and plant extract biomass was 2.934 mg/l on average. serial microdilution test showed that snps at the concentration of 50 μg/ml can inhibit growth of the pathogen. conclusions the present study extends the existing li...

Biogenic amines (BAs) were presented as significant markers for the evaluation of spoilage meat and products. In this work, a colorimetric sensor array was developed discrimination detection spermine (SP), spermidine (SD), histamine (HS), tryptamine (TP) important BAs in food assessment. For aim, two spherical plasmonic nanoparticles, namely gold nanoparticles (AuNPs) silver (AgNPs), utilized s...

A novel switchgrass (Panicum virgatum) extract mediated green process was demonstrated for the synthesis of silver nanoparticles from silver nitrate solution at ambient temperature. UV-visible spectroscopic analysis indicates the rapid reduction of silver (Ag) ions by swithgrass extract. The silver nanoparticles began to form at 15 min and the reduction reaction was completed within 2 hours. Sy...

BACKGROUND Silver nanoparticles possess many unique properties that make them attractive for use in biological applications. Recently they received attention when it was shown that 10 nm silver nanoparticles were bactericidal, which is promising in light of the growing number of antibiotic resistant bacteria. An area that has been largely unexplored is the interaction of nanomaterials with viru...