{"id":123913,"date":"2021-10-06T10:36:02","date_gmt":"2021-10-06T10:36:02","guid":{"rendered":"https:\/\/www.edristi.in\/?p=123913"},"modified":"2021-10-06T10:36:06","modified_gmt":"2021-10-06T10:36:06","slug":"indian-scientists-create-new-biodegradable-polymer","status":"publish","type":"post","link":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/indian-scientists-create-new-biodegradable-polymer\/","title":{"rendered":"Indian Scientists create New Biodegradable Polymer"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Question: Consider the following statements:<br>i) A team of Indian scientists have developed a new polymer using guar gum and chitosan, both of which are polysaccharides extracted from guar beans and shells of crab and shrimps.<br>ii) New polymer is environmentally friendly, non-toxic and biodegradable.<br>Which of the above two are correct?<\/strong><br>a) i<br>b)ii<br>c) Both i and ii<br>d) none<br><strong>Ans: c<br>Context<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>A team of Indian scientists have developed an environmentally friendly, non-toxic, biodegradable polymer using guar gum and chitosan, both of which are polysaccharides extracted from guar beans and shells of crab and shrimps.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Related Facts<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>The fabricated guar gum-chitosan film has high water stability, high mechanical strength, and excellent resistance to harsh environmental condition.<\/li><li>It can potentially be used in packaging applications.<\/li><li>Polysaccharide is one of the biopolymers with high potential for use in synthesis of packaging material.<\/li><li>However, due to some drawbacks of polysaccharides, such as low mechanical properties, high water-solubility, and low barrier properties, they are not preferred.<\/li><li>Dr. Devasish Chowdhury, Associate Professor, and Sazzadur Rahman, Inspire Junior Research Fellow, fabricated a guar gum-chitosan composite film which is a cross-linked polysaccharide.<\/li><li>They synthesized the film without using any plasticizer with the help of a method called the solution casting method (a simple technique to make polymer films).<\/li><\/ul>\n\n\n\n<p class=\"has-text-align-right wp-block-paragraph\"><strong>By kameshwar shukla<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Reference;<\/strong> <a href=\"https:\/\/pib.gov.in\/PressReleaseIframePage.aspx?PRID=1761050\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/pib.gov.in\/PressReleaseIframePage.aspx?PRID=1761050<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Question: Consider the following statements:i) A team of Indian scientists have developed a new polymer using guar gum and chitosan, both of which are polysaccharides extracted from guar beans and shells of crab and shrimps.ii) New polymer is environmentally friendly, non-toxic and biodegradable.Which of the above two are correct?a) ib)iic) Both i and iid) noneAns: [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":123914,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1123],"tags":[3067],"class_list":["post-123913","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-snes","tag-scientific"],"_links":{"self":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts\/123913","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/comments?post=123913"}],"version-history":[{"count":1,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts\/123913\/revisions"}],"predecessor-version":[{"id":123915,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts\/123913\/revisions\/123915"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/media\/123914"}],"wp:attachment":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/media?parent=123913"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/categories?post=123913"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/tags?post=123913"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}