{"id":10619,"date":"2026-02-20T14:31:46","date_gmt":"2026-02-20T19:31:46","guid":{"rendered":"https:\/\/www.bu.edu\/photonics-programs\/?p=10619"},"modified":"2026-02-20T14:37:36","modified_gmt":"2026-02-20T19:37:36","slug":"sander","status":"publish","type":"post","link":"https:\/\/www.bu.edu\/photonics-programs\/2026\/02\/20\/sander\/","title":{"rendered":"Label-free Imaging of Cells and Tissues"},"content":{"rendered":"<h3 style=\"text-align: left;\">Mentors<\/h3>\n<p style=\"text-align: left;\">\n\t<ul class=\"profile-listing profile-format-advanced\">\n\t\t\t\t\t\n<li class=\"profile-item profile-item-advanced has-title post-5856 profile type-profile status-publish hentry departments-bme departments-ece departments-mse-dept affiliation-faculty program-year-yr-2016 program-year-yr-2017 program-year-186 profile-field-faculty\">\n\t<a href=\"https:\/\/www.bu.edu\/photonics-programs\/profile\/michelle-sander\/\" class=\"profile-link profile-link-advanced\">\n\t\t\t\t\t<figure class=\"profile-photo profile-photo-advanced\"><img width=\"150\" height=\"150\" src=\"\/photonics-programs\/files\/2025\/09\/sander_HS-600x600-2-300x300.jpg\" alt=\"\" \/><\/figure>\t\t\t\t<h6 class=\"profile-name profile-name-advanced\">Michelle Sander<\/h6>\n\t\t<p class=\"profile-title profile-title-advanced\">Associate Professor, BME, ECE, MSE<\/p>\t<\/a>\n\n\t\n<\/li>\n\t\t\t\t\t\n<li class=\"profile-item profile-item-advanced has-title post-10698 profile type-profile status-publish hentry affiliation-graduate-student\">\n\t<a href=\"https:\/\/www.bu.edu\/photonics-programs\/profile\/samuel-bechtold\/\" class=\"profile-link profile-link-advanced\">\n\t\t\t\t\t<figure class=\"profile-photo profile-photo-advanced\"><img width=\"150\" height=\"150\" src=\"\/photonics-programs\/files\/2026\/02\/20230508_Bechtold_AM_005-150x150-1.jpg\" alt=\"\" \/><\/figure>\t\t\t\t<h6 class=\"profile-name profile-name-advanced\">Samuel Bechtold<\/h6>\n\t\t<p class=\"profile-title profile-title-advanced\">PhD Candidate<\/p>\t<\/a>\n\n\t\n<\/li>\n\t\t\t\t\t\n<li class=\"profile-item profile-item-advanced has-title post-10700 profile type-profile status-publish hentry affiliation-graduate-student\">\n\t<a href=\"https:\/\/www.bu.edu\/photonics-programs\/profile\/vera-staub\/\" class=\"profile-link profile-link-advanced\">\n\t\t\t\t\t<figure class=\"profile-photo profile-photo-advanced\"><img width=\"150\" height=\"150\" src=\"\/photonics-programs\/files\/2026\/02\/Vera-300x300.jpg\" alt=\"\" \/><\/figure>\t\t\t\t<h6 class=\"profile-name profile-name-advanced\">Vera Staub<\/h6>\n\t\t<p class=\"profile-title profile-title-advanced\">PhD Candidate<\/p>\t<\/a>\n\n\t\n<\/li>\n\t\t\t<\/ul>\n\t<\/p>\n<h3 style=\"text-align: left;\"><span data-preserver-spaces=\"true\">Project Description<\/span><\/h3>\n<div style=\"text-align: left;\">\n<p><span>Photothermal microscopes have proven excellent options for chemical imaging in the mid-infrared spectral region providing high sensitivity, specificity and spatial resolution comparable to fluorescence and optical microscopy. By targeting vibrational bonds, molecular composition can be analyzed in a label-free manner, without requiring fluorescent stains or tags. In addition, with a time-resolved photothermal imaging, checmical content as well as thermal diffusion properties can be simultaneously acquired, providing rich information regarding cellular properties from composition to structure as well as thermal resistance. <\/span><br \/>\n<span><\/span><\/p>\n<p><span>As part of this project, various cells and tissues will be analyzed for their protein, lipid and nucleic acid content and linked to different stages of cell development and potential disease states.<\/span><\/p>\n<\/div>\n<p style=\"text-align: left;\"><span data-preserver-spaces=\"true\"><div class=\"bu_collapsible_container \" aria-live=\"polite\" data-customize-animation=\"false\"><h3 class=\"bu_collapsible\" aria-expanded=\"false\"tabindex=\"0\" role=\"button\">Research Goals<\/h3><div class=\"bu_collapsible_section\" style=\"display: none;\"><\/span><\/p>\n<p><span>Students will gain insights how molecular composition, thermal diffusion dynamics and cellular structure can be linked together to obtain a detailed characterization of cells and tissues. Optimization of microscope parameters (resolution, sensitivity) will be analyzed for best imaging results. A detailed analysis of protein aggregates and their secondary protein conformation will be linked to cellular development stages and potential disease states.<\/span><\/div>\n<\/div>\n<\/p>\n<p style=\"text-align: left;\"><span data-preserver-spaces=\"true\"><div class=\"bu_collapsible_container \" aria-live=\"polite\" data-customize-animation=\"false\"><h3 class=\"bu_collapsible\" aria-expanded=\"false\"tabindex=\"0\" role=\"button\">Learning Goals<\/h3><div class=\"bu_collapsible_section\" style=\"display: none;\"><\/span><\/p>\n<p><span>Students will learn about mid-infrared photothermal imaging, an emerging imaging platform that opens new pathways for biomedical research, environmental monitoring and chemical characterization. They will get familiar with optical microscopy techniques, sample preparation and data analysis. Insights into biophysical cell properties, proteins and cell membranes will be obtained.<\/span><\/div>\n<\/div>\n<\/p>\n<h3 style=\"text-align: left;\"><span data-preserver-spaces=\"true\">Timeline<\/span><\/h3>\n<p style=\"text-align: left;\"><span style=\"color: #003366;\"><strong>Weeks 1-2:<\/strong><\/span><span data-preserver-spaces=\"true\"> Literature review and introduction to project, lab training.<br \/>\n<\/span><span style=\"color: #003366;\"><strong>Weeks 3-4:<\/strong><\/span><span data-preserver-spaces=\"true\"> Learning photothermal microscopy.<br \/>\n<\/span><span style=\"color: #003366;\"><strong>Weeks 5-7:<\/strong><\/span><span data-preserver-spaces=\"true\"> Imaging of various samples, optimization of microscope parameters.<br \/>\n<\/span><span data-preserver-spaces=\"true\"><span style=\"color: #003366;\"><strong>Weeks 8-9:<\/strong><\/span> Additional experiments and data analysis.<\/span><span data-preserver-spaces=\"true\"><br \/>\n<span style=\"color: #003366;\"><strong>Week 10:<\/strong><\/span> Summarizing results and research presentation.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mentors Project Description Photothermal microscopes have proven excellent options for chemical imaging in the mid-infrared spectral region providing high sensitivity, specificity and spatial resolution comparable to fluorescence and optical microscopy. By targeting vibrational bonds, molecular composition can be analyzed in a label-free manner, without requiring fluorescent stains or tags. In addition, with a time-resolved photothermal [&hellip;]<\/p>\n","protected":false},"author":5736,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[118],"tags":[],"_links":{"self":[{"href":"https:\/\/www.bu.edu\/photonics-programs\/wp-json\/wp\/v2\/posts\/10619"}],"collection":[{"href":"https:\/\/www.bu.edu\/photonics-programs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bu.edu\/photonics-programs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bu.edu\/photonics-programs\/wp-json\/wp\/v2\/users\/5736"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bu.edu\/photonics-programs\/wp-json\/wp\/v2\/comments?post=10619"}],"version-history":[{"count":4,"href":"https:\/\/www.bu.edu\/photonics-programs\/wp-json\/wp\/v2\/posts\/10619\/revisions"}],"predecessor-version":[{"id":10702,"href":"https:\/\/www.bu.edu\/photonics-programs\/wp-json\/wp\/v2\/posts\/10619\/revisions\/10702"}],"wp:attachment":[{"href":"https:\/\/www.bu.edu\/photonics-programs\/wp-json\/wp\/v2\/media?parent=10619"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bu.edu\/photonics-programs\/wp-json\/wp\/v2\/categories?post=10619"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bu.edu\/photonics-programs\/wp-json\/wp\/v2\/tags?post=10619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}