NDLI: Transformation of aromatic dyes using green synthesized silver nanoparticles

Content Provider	Springer Nature Link
Author	Borase, Hemant P. Patil, Chandrashekhar D. Salunkhe, Rahul B. Suryawanshi, Rahul K. Salunke, Bipinchandra K. Patil, Satish V.
Copyright Year	2014
Abstract	Nowadays, increasing use of nanoproducts in area of human and environmental applications raises concern about safety aspects of nanoparticles synthesized using traditional physicochemical methods. Silver nanoparticles (AgNPs) synthesis at ambient parameters using latex of medicinally important plant Jatropha gossypifolia (J. gossypifolia) is reported in the present study. Potential of AgNPs in degradation of methylene blue and eosin B was also evaluated. Rapid formation of stable AgNPs was analyzed by visual color change from colorless to yellow-red after addition of latex in AgNO3 solution and by characteristic surface plasmon resonance (SPR) peak at 430 nm in UV–Vis spectroscopy. FT-IR analysis, protein coagulation test showed capping of proteins, flavonoids, terpenoids and polyphenols of latex on surface of AgNPs. FE-SEM, HR-TEM analysis revealed spherical shape of AgNPs. Narrow size range of AgNPs (5–40 nm) observed in HR-TEM analysis. EDS analysis confirms the presence of elemental silver while XRD revealed crystalline nature of AgNPs. Zeta potential of −21.4 mV indicates high stability of AgNPs. Effects of different parameters (pH, temperature, incubation time) on nanosynthesis were studied in the present study. Dye reduction studies were performed using UV–Vis spectroscopy, TLC, FT-IR and HPLC analysis showing decreased absorbance maxima of both dyes with respect to time, change in R f values, changes in wave number, transmittance, and retention time of dyes after AgNPs addition. The rate constant for methylene blue and eosin B reduction by AgNPs was found to be 0.062 and 0.022 min−1.
Starting Page	1695
Ending Page	1705
Page Count	11
File Format	PDF
ISSN	16157591
Journal	Bioprocess Engineering
Volume Number	37
Issue Number	8
e-ISSN	16157605
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-02-14
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Silver nanoparticles Methylene blue J. gossypifolia Catalytic activity Biotechnology Industrial and Production Engineering Environmental Engineering/Biotechnology Industrial Chemistry/Chemical Engineering Food Science
Content Type	Text
Resource Type	Article
Subject	Medicine Bioengineering Biotechnology

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