Abstract
Gold nano particles (GNP) have exceptional biocompatibility and possess unique structural, electronic, magnetic, optical, catalytic and molecular recognition properties. Hence GNPs are very attractive for many biological applications. Being noble metal, the GNPs are resistant to oxide formation. Their electronic, magnetic and optical properties are size dependent. The optical properties of gold nano particles depend on nano particles size, shape, aggregation state, and local environment and are tuneable throughout the visible and near-infrared region. The current paper gives a brief review of different methods of synthesis of GNP with uniform size and shape and characterization of GNP by UV spectroscopy, dynamic light scattering, scanning electron microscopy and Fourier transform Infra Red spectroscopy along with applications of GNPs. Peer Review History: Received 1 July 2017; Revised 5 August; Accepted 2 September, Available online 15 September 2017 Academic Editor: Dr. Ali Abdullah Al-yahawi, Al-Razi university, Department of Pharmacy, Yemen, alyahawipharm@yahoo.com Received file: Reviewer's Comments: Average Peer review marks at initial stage: 5.5/10 Average Peer review marks at publication stage: 8.0/10 Reviewer(s) detail: Dr. Sally A. El-Zahaby, Pharos University in Alexandria, Egypt, sally.elzahaby@yahoo.com Dr. Maha Khalifa Ahmed Khalifa, Al-Azhar Universit - Cairo, Egypt, mahakhalifa.ahmed@hotmail.com Similar Articles: SCREENING STUDY FOR FORMULATION VARIABLES IN PREPARATION AND CHARACTERIZATION OF CANDESARTAN CILEXETIL LOADED NANOSTRUCTURED LIPID CARRIERS
Highlights
Wadekar Pradnya Pradeep, Patil Jyoti Ashok Appasaheb Birnale college of Pharmacy, South Shivaji nagar, near income tax office, Sangli, MS, India-416416
Faraday believed that the bright ruby red colour of the colloidal gold was due to the extremely small size of the individual particles, which interacted with light in a different manner compared to metallic gold, but could not prove it
The philosopher and medical doctor Francisci Antonii published very first book on gold nano particles known as colloidal gold named Panacea AureaAuroPotabile; Bibliopolio Frobeniano in 1618 and gave the ability of colloidal gold to cure diseases, such as heart, venereal problems, dysentery, tumors and epilepsy
Summary
Wadekar Pradnya Pradeep , Patil Jyoti Ashok Appasaheb Birnale college of Pharmacy, South Shivaji nagar, near income tax office, Sangli, MS, India-416416. The intrinsic properties of metal nano particles are mainly determined by their size, shape, composition, crystallinity and morphology[3]. Faraday believed that the bright ruby red colour of the colloidal gold was due to the extremely small size of the individual particles, which interacted with light in a different manner compared to metallic gold, but could not prove it.
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