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characterization of silver nanoparticles from plant extract

Vilchis-Nestor, A., Sa´ nchez-Mendieta, V., Camacho-Lo´ pez, M., Go´ mez-Espinosa, R., Camacho-Lo´ pez, M. and Arenas-Alatorre, J., (2008). 537543.

and Aspergillus sp. 48893. 2012). The main driver in the field of nanotechnology is not only the small size dimension that can be created with any type of material (metal, ceramic, polymer, glass or composite), but also the unique characteristics of such material, whose size might be controlled to only a few atomic layers in thickness, yet display physical properties which can be very different from the macro scale properties of the same substance. Abe.

Sci. The images obtained were compared with the Joint Committee on Powder Diffraction Standards (JCPDS) library to account for the crystalline structure. Coll Surf B 102:288–291, Njagi EC, Huang H, Stafford L, Genuino H, Galindo HM, Collins JB, Hoag GE, Suib SL (2011) Biosynthesis of iron and silver nanoparticles at room temperature using aqueous Sorghum bran extracts.

Vinoth V., Wu J.J. Asiri A.M and Anandan S. (2017) Ultrason. The main advantage of chemical reduction method is that large quantity of nanoparticles can be synthesized within a short period of time.

Giorgetti, E.(2009) In Situ Production of Polymer-Capped Silver Nanoparticles for Optical Biosensing. 2012). Silver nanoparticles formation was primarily identified by color change. (2011) Synthesis of pure colloidal silver nanoparticles with high electroconductivity for printed electronic circuits: The effect of amines on their formation in aqueous media. They had synthesized AgNPs with a carbon shell or included in a carbon matrix.

Jayaprakash et al. The biosynthesized AgNPs were characterized by SEM-EDAX, XRD, TEM, UV–Vis, and FT-IR spectroscopy techniques.

Moreover, XRD is used for the determination of crystallinity. J. Biol. Angew.

Part A, Molecular and biomolecular spectroscopy 129 pp. Boutinguiza M., Fernández-Arias M., del Val J., Buxadera-Palomero J., Rodríguez D., Lusquiños F., Gil F.J. and Pou J.

The antibacterial activity of AgNPs against generally found bacteria was assessed to find their potential use in silver-containing antibacterial product. Lett., 11, 80 Zaheer, S.A. Al-Thabaiti, A.Y. 126578.

Chandran S.P, Chaudhary M, Pasricha R, Ahmad A, and Sastry M (2006): Synthesis of gold nanotriangles and silver nanoparticles using Aloe vera plant extract, Biotechnol Prog, (22) pp.

Huang Y., Chen S., Bing X., Gao C., Wang T and Yuan B. Zhang S., Tang Y. and Vlahovic B. Appl Surf Sci. The term nanotechnology can also be defined as the controlled manipulation of materials with at least one dimension less than 100 nm.

(2018) Mater. Biosynthesis of silver nanoparticles from Tribulus terrestris and its antimicrobial activity: a novel biological approach, Colloids and surfaces. Gopinath V, MubarakAli D, Priyadarshini S, Priyadharsshini N.M, Thajuddin N. and. Spectrochim Acta Part A 79:594–598, Kelly L, Coronado E, Zhao LL, Schatz GC (2003) The optical properties of metal nanoparticles: the influence of size, shape and dielectric environment. UV–Vis spectroscopy of prepared silver colloidal solution showed absorption maxima at 418 nm.


Cao H., Liu X., Meng F. and Chu P.K (2010) Silver nanoparticles-modified films versus biomedical device-associated infections, Wiley Interdiscip.

Metallic silver nanoparticles generally show a typically strong signal peak at 3 keV, due to surface plasmon resonance (Magudapatty et al.

Figure 2: UV-Vis absorption spectra of silver nanoparticles synthesised by both chemical and biological means Gudikandula and Maringanti [125], Figure 3: Imaging of Ag NPs and evaluation of NP size from SEM measurements Daniele Baiocco et al., [126], Figure 4: XRD spectrum of AgNp synthesized from extract of Ananas comosus [74], Figure 5.

Chen .

S. Ashokkumar S., Ravi S, Kathiravan V, and Velmurugan S. (2015).

Zargar M., Hamid A. 2012). For instance, Sportelli et al. XRD pattern of Pedalium murex extract synthesized silver nanoparticles. These biological agents are free from toxic chemicals as well as offering natural capping agents for the stabilization of AgNPs. PubMed Google Scholar.

Ni(OH)2, NI-Co layered double hydroxide(LDH)), hydrates (e.g.

a before reaction and b after reaction with AgNO3.

J Phy Chem B 110:19220–19225, Magudapatty P, Gangopadhgayrans P, Panigrahi BK, Nair KGM, Dhara S (2001) Electrical transport studies of Ag nanoclusters embedded in glass matrix. Hence, synthesis of silver nanoparticles from leaf extracts of numerous plants has been evolving as a cost effective and environmental friendly alternative to chemical and physical methods. This shift may be due to blue shift and depends on the particle size and shape (Kelly et al. 2000). : Nanosci.

Asian Pac J Trop Biomed 2(7):581–585, Raveendran P, Fu J, Wallen SL (2003) Completely green synthesis and stabilization of metal nanoparticles. Nanoparticles are incorporated into fiber or coated on fiber. The absorbance spectrum of the colloidal sample was obtained in the range of 200–800 nm, using a UV–Vis spectrometer Shimadzu-UV 1800 with distilled water as a reference. Characterization of silver nanoparticle is important in other to understand and control nanoparticles synthesis and applications.

The particles were of spherical shape. Res., 7, 17 This technology attempts to integrate chemistry, physics, materials science, and biology to create new material properties that can be exploited to develop facile processes for the production of electronic devices, biomedical products, high performance materials and consumer articles. In the medical field, silver and silver nanoparticles have broad applications, especially in skin ointments and creams to avoid infection of burns and open wounds (Duran et al.

2011). Choi, O., (2008).

The Silver nanoparticles synthesized from Rhizopus oryzae fungal species have been used, for treating contaminated water and adsorption of pesticides and that from Lactobacillus fermentum cells have been used as.

2003; Lee and El-sayed 2006).

Khatoon et al. The biological synthesis or green synthesis of silver nanoparticles using various leaf revealed a rapid and fairly uniform size particles and shape in an environmental friendly mode.

Kulshreshtha S.K (1999) Nanostruct. They are ahead of time the interest of researchers for their novel method for synthesis of silver nanoparticles.

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