{"id":29652,"date":"2023-04-24T17:12:25","date_gmt":"2023-04-24T17:12:25","guid":{"rendered":"https:\/\/krea.edu.in\/sias\/?page_id=29652"},"modified":"2025-01-02T08:44:19","modified_gmt":"2025-01-02T08:44:19","slug":"dr-k-s-viswanathan","status":"publish","type":"page","link":"https:\/\/krea.edu.in\/sias\/dr-k-s-viswanathan\/","title":{"rendered":"Dr K S Viswanathan"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"29652\" class=\"elementor elementor-29652\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cac80f7 elementor-section-full_width elementor-section-height-min-height elementor-section-height-default elementor-section-items-middle\" data-id=\"cac80f7\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container 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\/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-7571941 awsmgrid2\" data-id=\"7571941\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c0d6a8d elementor-widget elementor-widget-heading\" data-id=\"c0d6a8d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Professor K S Viswanathan<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c2bc406 elementor-widget elementor-widget-heading\" data-id=\"c2bc406\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Visiting Professor, Chemistry <\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b2b93be elementor-widget elementor-widget-heading\" data-id=\"b2b93be\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">PhD, Vanderbilt University<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9f402c4 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"9f402c4\" data-element_type=\"widget\" data-e-type=\"widget\" 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elementor-element elementor-element-9282458\" data-id=\"9282458\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-798e5ce\" data-id=\"798e5ce\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4a566a2 elementor-tabs-view-horizontal elementor-widget elementor-widget-tabs\" data-id=\"4a566a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tabs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-tabs\">\n\t\t\t<div class=\"elementor-tabs-wrapper\" role=\"tablist\" >\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-7791\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"true\" data-tab=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"elementor-tab-content-7791\" aria-expanded=\"false\">About<\/div>\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-7792\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"false\" data-tab=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-7792\" aria-expanded=\"false\">Publications<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<div class=\"elementor-tabs-content-wrapper\" role=\"tablist\" aria-orientation=\"vertical\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"true\" data-tab=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"elementor-tab-content-7791\" aria-expanded=\"false\">About<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-7791\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-7791\" tabindex=\"0\" hidden=\"false\"><p>Professor Viswanathan\u2019s research interests have spanned the areas of molecular conformations and weak non-covalent interactions, particularly the hydrogen bonding interactions, which pervade through all of chemistry, physics and biology. Matrix isolation spectroscopy, a method where isolated molecules are trapped in a cryogenic solid inert gas matrix, was the experimental technique used for these studies. The trapped molecules were then probed using infrared spectroscopy. The experimental results were corroborated using <em>ab initio<\/em> quantum chemical computations. These studies resulted in a detailed understanding of the structure and energetics of hydrogen bonded complexes. Recent studies of his group on conformations of amino acids, an important class of biomolecules, revealed a very interesting and restrictive structural preference that these molecules adopt, with respect to their backbone, comprising of the COOH and NH2 moieties. In addition, his research group has also been interested in lanthanide fluorescence, specifically to develop methods for the enhancement of fluorescence in an attempt to develop sensitive analytical methods. Enhancement of fluorescence by a factor of over 10,000 was achieved by choosing appropriate ligands as energy transfer agents. He has also been interested in the use of mass spectroscopy for analytical applications.<\/p><p>Professor Viswanathan subscribes to the adage that research and teaching must coexist since there is a definite synergy between the two. At IISER, Mohali, he enjoyed teaching courses at all levels \u2013 from introductory to the advanced, with each level presenting its own challenges. He has also coordinated a number of summer science programmes for school and university students. It is also his conviction that courses in universities must not be restricted to just learning; there must be a small component where students get to teach during their final years.<\/p><p>While it is important for students to study well, he believes it is also important for them not just to study well, but have multiple interests apart from their major area of study, for a wholesome growth. Professor Viswanathan has practiced this philosophy himself. Apart from teaching and research, he is interested in sports and music. He is an avid player of cricket, tennis and table-tennis and enjoys music.<\/p><p>\u00a0<\/p><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"false\" data-tab=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-7792\" aria-expanded=\"false\">Publications<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-7792\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-7792\" tabindex=\"0\" hidden=\"hidden\"><p>Representative publications and books:<\/p><p>1) \u201cThe Borazine Dimer: The Case of a Dihydrogen Bond Competing with a Classical Hydrogen Bond\u201d, Kanupriya Verma, K. S. Viswanathan, Phys. Chem. Chem. Phys. 19, 19067 (2017).<\/p><p>2) \u201cH-\u03c0 Landscape of the Phenylacetylene-HCl System: Does this Provide the Gateway to the Markovnikov Addition?\u201d Ginny Karir, K. S. Viswanathan, J. Phys. Chem. A 121, 5797 (2017).<\/p><p>3) \u201cDo Amino Acids Prefer Only Certain Backbone Structures? Steering through the Conformational Maze of L-Threonine using Matrix Isolation Infrared Spectroscopy and Ab Initio Studies\u201d, Pankaj Dubey, M. Anamika, K. S. Viswanathan , J. Mol. Struct. 1175,117 (2019).<\/p><p>4) \u201cFrom Propargyl Alcohol-Water to the Propargyl Alcohol Dimer: Where does the Propargyl Alcohol-Methanol fit in?\u201d Jyoti Saini, K. S. Viswanathan, New J. Chem, 43, 3969 (2019)<\/p><p>5) \u201cIntermolecular Complexes and Molecular Conformations Directed by Hydrogen Bonds: Matrix Isolation and Ab Initio Studies\u201d, Jyoti Saini, Pankaj Dubey, Kanupriya Verma, Ginny Karir, K. S. Viswanathan, Ind. Inst. Sc. Jour. (Invited Article), 100, 167 (2019)<\/p><p>6) \u201cAnalytical Methods \u2013 Interpretation, Identification and Quantification\u201d, R. Gopalan and K. S. Viswanathan, University Press (2018)<\/p><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Professor K S Viswanathan Visiting Professor, Chemistry PhD, Vanderbilt University ksviswanathan@krea.edu.in Facebook Twitter Youtube Linkedin Instagram Link About Publications About Professor Viswanathan\u2019s research interests have spanned the areas of molecular conformations and weak non-covalent interactions, particularly the hydrogen bonding interactions, which pervade through all of chemistry, physics and biology. Matrix isolation spectroscopy, a method where &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/krea.edu.in\/sias\/dr-k-s-viswanathan\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Dr K S Viswanathan&#8221;<\/span><\/a><\/p>\n","protected":false},"author":10,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-29652","page","type-page","status-publish","hentry","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Dr K S Viswanathan | Krea University - Top university for liberal education<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/krea.edu.in\/sias\/dr-k-s-viswanathan\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dr K S Viswanathan\" \/>\n<meta property=\"og:description\" content=\"Professor K S Viswanathan Visiting Professor, Chemistry PhD, Vanderbilt University ksviswanathan@krea.edu.in Facebook Twitter Youtube Linkedin Instagram Link About Publications About Professor Viswanathan\u2019s research interests have spanned the areas of molecular conformations and weak non-covalent interactions, particularly the hydrogen bonding interactions, which pervade through all of chemistry, physics and biology. 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