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01473 am a22001573u 4500 |
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56042 |
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|a dc
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|a Elsupikhe, Randa Fawzi
|e author
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|a Shameli, Kamyar
|e author
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|a Ahmad, Mansor
|e author
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|a Sonochemical method for the synthesis of silver nanoparticles in kappa-carrageenan from silver salt at different concentrations
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| 260 |
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|b Springer Netherlands,
|c 2015-11-01.
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| 856 |
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|z Get fulltext
|u http://eprints.utm.my/id/eprint/56042/1/RandaFawziElsupikhe2015_SonochemicalMethodfortheSynthesisofSilverNanoparticles.pdf
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|a A green sonochemical method was developed for preparing silver nanoparticles (Ag-NPs) in ?-carrageenan in different concentrations of AgNO3. The ?-carrageenan was used as an eco-friendly stabilizer and ultrasonic irradiation as a green reducing agent. The number of Ag-NPs increased with increasing concentrations of AgNO3. Formation of Ag/?-carrageenan was determined by UV-visible spectroscopy where the surface plasmon absorption maximum was observed at 410-416 nm. XRD analysis showed the Ag-NPs are of a face-centered cubic structure. TEM images showed the well-dispersed Ag-NPs with an average particle size <5 nm. SEM images showed the spherical shape of the Ag-NPs. The FT-IR spectrum indicated the presence of ?-carrageenan in capping the Ag-NPs. The use of photo irradiation provides a green and economic method features to the synthesis reported in this study.
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|a en
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|a QD Chemistry
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