{"id":24195,"date":"2020-06-30T09:38:30","date_gmt":"2020-06-30T09:38:30","guid":{"rendered":"https:\/\/www.gkseries.com\/blog\/?p=24195"},"modified":"2020-06-30T09:38:32","modified_gmt":"2020-06-30T09:38:32","slug":"eco-friendly-synthesis-of-gold-nanoparticles-from-antarctic-bacteria","status":"publish","type":"post","link":"https:\/\/www.gkseries.com\/blog\/eco-friendly-synthesis-of-gold-nanoparticles-from-antarctic-bacteria\/","title":{"rendered":"Eco-friendly Synthesis of Gold Nanoparticles from Antarctic Bacteria"},"content":{"rendered":"\n<p>The National Centre for Polar and Ocean Research (NCPOR) and the Goa University (GU) have successfully synthesized gold nanoparticles (GNPs) using psychrotolerant Antarctic bacteria through a non-toxic, low-cost, and eco-friendly way. Through a study, NCPOR and GU have established that 20-30-nm-sized spherical-shaped GNPs could be synthesized in a controlled environment.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.gkseries.com\/blog\/current-affairs-quiz-2019-daily-gk\/\" target=\"_blank\" aria-label=\"undefined (opens in a new tab)\" rel=\"noreferrer noopener nofollow\"><strong>Daily Current Affairs Quiz 2020<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Key-Points<\/strong><\/h2>\n\n\n\n<p>These GNPs can be used as a composite therapeutic agent clinical trials, especially in anti-cancer, anti-viral, anti-diabetic, and cholesterol-lowering drugs.<\/p>\n\n\n\n<p>The NCPOR-GU study revealed genotoxic effect of GNPs on a sulphate reducing bacteria (SRB).<\/p>\n\n\n\n<p>The GNPs displayed enough anti-bacterial properties by inhibiting the growth of SRB and its sulphide production by damaging the genetic information of the DNA of the bacterial cell.<\/p>\n\n\n\n<p>Genotoxicity describes the property of a chemical agent that is capable of damaging the genetic information of DNA and thus causing mutation of the cell, which can lead to cancer.<\/p>\n\n\n\n<p>Nanoparticles (NPs) have wide variety of potential applications in the fields of biomedical, optical and electronics research.<\/p>\n\n\n\n<p>Metallic NPs have been efficiently exploited for biomedical applications and among them GNPs are found to be effective in biomedical research.<\/p>\n\n\n\n<p>NCPOR and GU have resorted to environmentally acceptable green chemistry procedures to reduce gold ion to GNPs using psychrotolerant Antarctic bacteria.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What is nanotechnology?<\/strong><\/h2>\n\n\n\n<p>Nanotechnology is a technology that creates new and novel materials through controlled manipulation at a size range of 1 nm (nanometer) to 100 nm (1 nm equals to 10-9 m).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What is nanoparticle (NP)?<\/strong><\/h2>\n\n\n\n<p>NPs are those materials that are at least one dimension smaller than 100 nanometres. NPs have a high surface-to-volume ratio and they can provide tremendous driving force for diffusion, especially at elevated temperatures.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The National Centre for Polar and Ocean Research (NCPOR) and the Goa University (GU) have successfully synthesized gold nanoparticles (GNPs) using psychrotolerant Antarctic bacteria through a non-toxic, low-cost, and eco-friendly way. Through a study, NCPOR and GU have established that 20-30-nm-sized spherical-shaped GNPs could be synthesized in a controlled environment. Daily Current Affairs Quiz 2020 [&hellip;]<\/p>\n","protected":false},"author":404,"featured_media":24196,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[870],"tags":[68],"class_list":["post-24195","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-current-affairs-2020","tag-science-technology-current-affairs"],"_links":{"self":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/24195","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/users\/404"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/comments?post=24195"}],"version-history":[{"count":1,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/24195\/revisions"}],"predecessor-version":[{"id":24197,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/24195\/revisions\/24197"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media\/24196"}],"wp:attachment":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media?parent=24195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/categories?post=24195"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/tags?post=24195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}