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Article . 2017 . Peer-reviewed
License: CC BY
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Article
License: CC BY
Data sources: UnpayWall
Open Science Framework
Preprint . 2017
Data sources: Datacite
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Biosintesis Nanopartikel Perak Menggunakan Ekstrak Metanol Daun Kemangi (Ocimum Citriodorum)

Authors: Yusnita Rifai;

Biosintesis Nanopartikel Perak Menggunakan Ekstrak Metanol Daun Kemangi (Ocimum Citriodorum)

Abstract

AbstrakNanopartikel perak telah disintesis menggunakan metode reduksi. Dalam penelitian ini, ekstrak metanol daun Kemangi (Ocimum citriodorum) digunakan sebagai agen pereduksi untuk prekursor AgNO3. Sintesis nanopartikel perak dilakukan dengan mencampurkan laru- tan AgNO3 1mM dengan filtrat ekstrak daun kemangi. Hasil karakterisasi UV-Vis menun- jukkan bahwa nilai absorbansi meningkat dengan meningkatnya waktu kontak reaksi. Pun- cak absorbansi spektrum UV-Vis dari sampel biosintesis nanopartikel perak berkisar pada 427-439 nm selama 1 hari dengan pengadukan dan penyimpanan. Ukuran nanopartikel perak ditentukan menggunakan Pengukur Ukuran Partikel (PSA) dengan rata-rata distribusi uku- ran partikel sebesar 57,38 nm. Efek mekanik dalam proses biosintesis nanopartikel perak cenderung mempercepat pembentukan nanopartikel perak. Hasil karakterisasi menggunakan Difraksi Sinar-X (XRD) diketahui kristalit yang terbentuk memiliki intensitas terbesar pada sudut 38° dengan nilai FWHM 0,66310 (ukuran 0,3 nm) dalam sistem kristal kubik.Kata kunci: Biosintesis, Nanopartikel Perak, Ocimum citriodorum, Karakterisasi AbstractSynthesis of silver nanoparticles by using the reduction method with methanol extract basil (Ocimum citriodorum) leaves, which acted as a reducing agent for AgNO3 precursor have been conducted. Synthesis nanoparticles was carried out by mixing the solution of AgNO3 1mM with filtrate extract of Ocimum leaves. The results of characterization showed that absorbance values increased with the increase in reaction time. Peak of UV-Vis absorption spectrum of biosynthesis sample of silver nanoparticles with stirring and storage each at a wavelength 427-439 nm for 1 day. Silver nanoparticles size was determined by using PSA (Particles Size Analyzer) with an average particle size distribution of 57,38 nm. Mechanical effect in biosynthesis process of silver nanoparticles tends to speed up the formation of silver nanoparticles. The result of characterization by using X-Ray Diffraction (XRD) described that the formed crystal had the angle of 38° with the value of FWHM 0,66310 (sixe 0.3 nm) in cubic crystal system.Key word: Biosynthesis, Silver Nanoparticles, Ocimum citriodorum, Characterization.

Keywords

Pharmacology, Engineering, Pharmacology, Toxicology and Environmental Health, Life Sciences

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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