{"id":339,"date":"2011-03-04T22:30:41","date_gmt":"2011-03-04T22:30:41","guid":{"rendered":"http:\/\/www.egr.msu.edu\/~scb-group-web\/blog\/?p=339"},"modified":"2011-03-04T22:41:16","modified_gmt":"2011-03-04T22:41:16","slug":"fuel-sensitivity-of-mediated-laccase-electrodes","status":"publish","type":"post","link":"https:\/\/www.egr.msu.edu\/~scb-group-web\/blog\/2011\/03\/04\/fuel-sensitivity-of-mediated-laccase-electrodes\/","title":{"rendered":"Fuel Sensitivity of Mediated Laccase Electrodes"},"content":{"rendered":"<div id=\"attachment_341\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/i0.wp.com\/www.egr.msu.edu\/~scb-group-web\/blog\/wp-content\/uploads\/2011\/03\/Fig1.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-341\" class=\"size-medium wp-image-341\" title=\"Fig1\" src=\"https:\/\/i0.wp.com\/www.egr.msu.edu\/~scb-group-web\/blog\/wp-content\/uploads\/2011\/03\/Fig1-300x300.png?resize=300%2C300\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/i0.wp.com\/www.egr.msu.edu\/~scb-group-web\/blog\/wp-content\/uploads\/2011\/03\/Fig1.png?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.egr.msu.edu\/~scb-group-web\/blog\/wp-content\/uploads\/2011\/03\/Fig1.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.egr.msu.edu\/~scb-group-web\/blog\/wp-content\/uploads\/2011\/03\/Fig1.png?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.egr.msu.edu\/~scb-group-web\/blog\/wp-content\/uploads\/2011\/03\/Fig1.png?w=1127&amp;ssl=1 1127w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-341\" class=\"wp-caption-text\">Laccase structure showing copper active sites<\/p><\/div>\n<p>A new paper by Deboleena Chakraborty et al. is now available in JES on the interaction between methanol and laccase bioelectrocatalysts in <a href=\"http:\/\/en.wikipedia.org\/wiki\/Direct_methanol_fuel_cell#Cross-over_Current\">direct methanol fuel cells<\/a> (DMFCs).<\/p>\n<p>Methanol crossover limits methanol feed concentrations and power density in mainstream DMFCs. Here we describe studies of laccase as an alternative cathode catalyst to address this problem. This results suggest that the selectivity of laccase cathodes towards oxygen reduction can facilitate methanol feed concentration up to 5 M in DMFCs. In the 0-5 M range of methanol feed concentration, enzyme kinetics are primarily affected and not electron transport via mediators.<\/p>\n<p class=\"resref\">D. Chakraborty and S. C. Barton, &#8220;Influence of Mediator Redox Potential on Fuel Sensitivity of Mediated Laccase Oxygen Reduction Electrodes,&#8221; Journal of the Electrochemical Society, 158(4), B440-B447 (2011).  <a href=\"http:\/\/dx.doi.org\/10.1149\/1.3552592\">link<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A new paper by Deboleena Chakraborty et al. is now available in JES on the interaction between methanol and laccase bioelectrocatalysts in direct methanol fuel cells (DMFCs). Methanol crossover limits methanol feed concentrations and power density in mainstream DMFCs. Here &hellip; <a href=\"https:\/\/www.egr.msu.edu\/~scb-group-web\/blog\/2011\/03\/04\/fuel-sensitivity-of-mediated-laccase-electrodes\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":47,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[6,21],"class_list":["post-339","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-leena-chakraborty","tag-papers"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.egr.msu.edu\/~scb-group-web\/blog\/wp-json\/wp\/v2\/posts\/339","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.egr.msu.edu\/~scb-group-web\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.egr.msu.edu\/~scb-group-web\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.egr.msu.edu\/~scb-group-web\/blog\/wp-json\/wp\/v2\/users\/47"}],"replies":[{"embeddable":true,"href":"https:\/\/www.egr.msu.edu\/~scb-group-web\/blog\/wp-json\/wp\/v2\/comments?post=339"}],"version-history":[{"count":5,"href":"https:\/\/www.egr.msu.edu\/~scb-group-web\/blog\/wp-json\/wp\/v2\/posts\/339\/revisions"}],"predecessor-version":[{"id":342,"href":"https:\/\/www.egr.msu.edu\/~scb-group-web\/blog\/wp-json\/wp\/v2\/posts\/339\/revisions\/342"}],"wp:attachment":[{"href":"https:\/\/www.egr.msu.edu\/~scb-group-web\/blog\/wp-json\/wp\/v2\/media?parent=339"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.egr.msu.edu\/~scb-group-web\/blog\/wp-json\/wp\/v2\/categories?post=339"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.egr.msu.edu\/~scb-group-web\/blog\/wp-json\/wp\/v2\/tags?post=339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}