{"id":50272,"date":"2017-07-24T00:00:00","date_gmt":"2017-07-23T23:00:00","guid":{"rendered":"http:\/\/www.pcb.ub.edu\/ibec-group-develops-a-nanoscale-imaging-method-that-shows-electron-transfer-pathways\/"},"modified":"2017-07-24T00:00:00","modified_gmt":"2017-07-23T23:00:00","slug":"ibec-group-develops-a-nanoscale-imaging-method-that-shows-electron-transfer-pathways","status":"publish","type":"post","link":"https:\/\/www.pcb.ub.edu\/en\/ibec-group-develops-a-nanoscale-imaging-method-that-shows-electron-transfer-pathways\/","title":{"rendered":"IBEC group develops a nanoscale imaging method that shows electron transfer pathways"},"content":{"rendered":"<p>Electron transfer in proteins is essential in crucial biological processes; cellular respiration, for example, is the oxidation of glucose to CO2 and the reduction of oxygen to water. But even though the basic aspects of electron transfer have been studied thoroughly, so far there has been no tool able to examine the nanoscale electronic pathways by which this transfer happens.<\/p>\n<p>A l&#8217;article, publicat a la revista\u00a0Small, el grup de l&#8217;IBEC\u00a0descriu una nova forma d\u2019observar les vies de conducci\u00f3 en les prote\u00efnes i complexos redox \u2013 en les quals la transfer\u00e8ncia d\u2019electrons causa un canvi d\u2019oxidaci\u00f3 \u2013 a la nanoescala. En particular, els investigadors van ser capa\u00e7os de veure les regions submoleculars amb alta conduct\u00e0ncia que actuen com a vies per a la transfer\u00e8ncia d\u2019electrons dins de la prote\u00efna. A m\u00e9s de permetre importants avan\u00e7os en bioqu\u00edmica i bionanotecnologia, aquest m\u00e8tode tamb\u00e9 obrir\u00e0 noves possibilitats per al disseny i optimitzaci\u00f3 de l\u2019electr\u00f2nica molecular, on els compostos sint\u00e8tics s\u00f3n components per a la construcci\u00f3 de dispositius nanoelectr\u00f2nics.<\/p>\n<p>The IBEC group, experts in electrochemical scanning tunneling microscopy, added an alternating current modulation technique to this special kind of microscopy that allowed them to measure the local electronic properties of an electrode, as well as the redox processes occurring at the interface of the electrode and the immersing solution. \u201cThis method, Differential Electrochemical Conductance (DECC) imaging, has allowed us to see the reversible oxidation of an iron electrode at the nanoscale,\u201d says first author Montserrat L\u00f3pez, a PhD student in ICREA professor Pau Gorostiza\u2019s Nanoprobes and Nanoswitches group.\u00a0<\/p>\n<p>\n\u25ba\u00a0<strong>More information<\/strong>:\u00a0<a href=\"http:\/\/ibecbarcelona.eu\/ca\/un-metode-de-nanoscopia-mostra-les-vies-de-transferencia-delectrons\/\" target=\"_blank\" rel=\"noopener noreferrer\">IBEC website [+]<\/a><\/p>\n<p><strong>\u25ba Reference article<\/strong>:\u00a0M. L\u00f3pez-Mart\u00ednez,\u00a0J. M. Art\u00e9s,\u00a0V. Sarasso,\u00a0M. Carminati,\u00a0I. D\u00edez-P\u00e9rez,\u00a0F. Sanz,\u00a0P. Gorostiza.\u00a0&#8220;<a href=\"http:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/smll.201700958\/abstract\" rel=\"noopener noreferrer\" target=\"_blank\">Differential Electrochemical Conductance Imaging at the Nanoscale<\/a>&#8220;.\u00a0\u00a0<em>Small<\/em>\u00a02017. DOI:\u00a010.1002\/smll.201700958<\/p>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>An<a href=\"http:\/\/www.pcb.ub.edu\/portal\/en\/cerca?p_p_id=cercador_WAR_empleatsempresesportlet&amp;p_p_lifecycle=0&amp;p_p_state=maximized&amp;p_p_mode=view&amp;p_p_col_id=column-1&amp;p_p_col_count=1&amp;_cercador_WAR_empleatsempresesportlet_jspPage=%2Fhtml%2Fcommon%2Fdetall-empresa.jsp&amp;_cercador_WAR_empleatsempresesportlet_empresaId=ENT_000134&amp;_cercador_WAR_empleatsempresesportlet_redirect=%2Fportal%2Fen%2Fcerca%3Fp_p_id%3Dcercador_WAR_empleatsempresesportlet%26p_p_lifecycle%3D0%26p_p_mode%3Dview%26_cercador_WAR_empleatsempresesportlet_keywords%3Dibec%26_cercador_WAR_empleatsempresesportlet_tab%3D1\" target=\"_blank\" rel=\"noopener noreferrer\"> IBEC<\/a> group at the Barcelona Science Park has developed a new imaging method that can characterize the conductance of single molecules, shedding light on the molecular mechanisms behind biological processes such as respiration, photosynthesis and repair. Publishing in the journal\u00a0Small, the\u00a0<a href=\"http:\/\/ibecbarcelona.eu\/nanoprobes\" rel=\"noopener noreferrer\" target=\"_blank\">Nanoprobes and Nanoswitches group<\/a>\u00a0describe a new way to observe conduction pathways in redox proteins and complexes \u2013 in which the transfer of electrons causes a change in oxidation \u2013 at the nanoscale.<\/p>\n<p>\u00a0<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[8],"tags":[],"class_list":["post-50272","post","type-post","status-publish","format-standard","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>IBEC group develops a nanoscale imaging method that shows electron transfer pathways - Parc Cient\u00edfic de Barcelona<\/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:\/\/www.pcb.ub.edu\/en\/ibec-group-develops-a-nanoscale-imaging-method-that-shows-electron-transfer-pathways\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"IBEC group develops a nanoscale imaging method that shows electron transfer pathways - Parc Cient\u00edfic de Barcelona\" \/>\n<meta property=\"og:description\" content=\"An IBEC group at the Barcelona Science Park has developed a new imaging method that can characterize the conductance of single molecules, shedding light on the molecular mechanisms behind biological processes such as respiration, photosynthesis and repair. 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