{"id":7093,"date":"2020-03-13T14:01:31","date_gmt":"2020-03-13T08:31:31","guid":{"rendered":"https:\/\/triumphias.com\/blog\/?p=7093"},"modified":"2020-03-13T14:01:31","modified_gmt":"2020-03-13T08:31:31","slug":"bi-luminescent-security-ink","status":"publish","type":"post","link":"https:\/\/triumphias.com\/blog\/bi-luminescent-security-ink\/","title":{"rendered":"Bi-luminescent security ink"},"content":{"rendered":"<p><span style=\"color: #0000ff;\"><strong>Relevance: Prelims: Science and technology<\/strong><\/span><\/p>\n<p><a href=\"https:\/\/triumphias.com\/blog\/wp-content\/uploads\/2020\/03\/BIsecurity_ink.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-7094\" src=\"https:\/\/triumphias.com\/blog\/wp-content\/uploads\/2020\/03\/BIsecurity_ink.jpg\" alt=\"\" width=\"980\" height=\"367\" srcset=\"https:\/\/triumphias.com\/blog\/wp-content\/uploads\/2020\/03\/BIsecurity_ink.jpg 980w, https:\/\/triumphias.com\/blog\/wp-content\/uploads\/2020\/03\/BIsecurity_ink-150x56.jpg 150w, https:\/\/triumphias.com\/blog\/wp-content\/uploads\/2020\/03\/BIsecurity_ink-300x112.jpg 300w, https:\/\/triumphias.com\/blog\/wp-content\/uploads\/2020\/03\/BIsecurity_ink-768x288.jpg 768w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" \/><\/a><\/p>\n<p><strong>Why in news?<\/strong><\/p>\n<ul>\n<li>CSIR-National Physical Laboratory has developed a bi-luminescent security ink which glows in red and green colours when illuminated by two different excitation sources at 254 nano meters (nm) and 365 nm, respectively.<\/li>\n<\/ul>\n<p><strong>Key highlights:<\/strong><\/p>\n<ul>\n<li>The ink was prepared in a batch of 1kg and given to Bank Note Press (BNP), Dewas, a unit of Security Printing Minting Corporation of India Ltd. (SPMCIL), New Delhi.<\/li>\n<li>The ink is found comparable to the standards that are in use.<\/li>\n<li>The formulation can be used to check the authenticity of passports, Government documents, tamper evident labels, identity cards, etc.<\/li>\n<\/ul>\n<p><strong>Facts: <\/strong><\/p>\n<ul>\n<li>It will help in <strong>counterfeiting documents<\/strong> such as passports, packing, fake medicines and currency notes.<\/li>\n<li>It reflects two colours when exposed to the light of a certain frequency.<\/li>\n<li>It appears <strong>white in normal.<\/strong><\/li>\n<li>When ultraviolet light is applied at a frequency of 254 nanometers, it emits <strong>red colour.<\/strong> But when ultraviolet light is switched off, it emits <strong>green colour.<\/strong><\/li>\n<li>The red colour emits due to the fluorescence and the emission of green colour is due to the phosphorescence effect.<\/li>\n<\/ul>\n<p><span style=\"color: #0000ff;\"><strong>For more such notes, Articles, News &amp; Views Join our Telegram Channel.<\/strong><\/span><\/p>\n<p><a title=\"telegram Link\" href=\"https:\/\/t.me\/triumphias\" target=\"_blank\"><span style=\"color: #ff0000;\"><strong>https:\/\/t.me\/triumphias<\/strong><\/span><\/a><\/p>\n<p><span style=\"color: #0000ff;\"><strong>Click the link below to see the details about the UPSC \u2013Civils courses offered by Triumph IAS.<\/strong> <\/span><span style=\"color: #ff0000;\"><strong><a style=\"color: #ff0000;\" title=\"Courses available\" href=\"https:\/\/triumphias.com\/pages-all-courses.php\">https:\/\/triumphias.com\/pages-all-courses.php<\/a><\/strong><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Relevance: Prelims: Science and technology Why in news? CSIR-National Physical Laboratory has developed a bi-luminescent security ink which glows in<\/p>\n","protected":false},"author":1,"featured_media":4358,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[123],"tags":[392],"class_list":["post-7093","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-current-affairs","tag-union-public-service-commission-upsc"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/posts\/7093","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/comments?post=7093"}],"version-history":[{"count":1,"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/posts\/7093\/revisions"}],"predecessor-version":[{"id":7095,"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/posts\/7093\/revisions\/7095"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/media\/4358"}],"wp:attachment":[{"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/media?parent=7093"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/categories?post=7093"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/tags?post=7093"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}