/research/taxonomy/term/1021/all en /research/photos/sensing-micro-christmas-tree <div class="field field-name-field-photographer-s-name field-type-text field-label-hidden"><div class="field-items"><div class="field-item even">Hannah Dies</div></div></div><div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded">My research is focused on using electric fields to assemble nanoparticles into micro-sized structures to enhance detection through surface enhanced Raman spectroscopy. In the image shown, silver nanoparticles have been assembled into a Christmas tree like structure. The structure offers greater than a million times enhancement of the original Raman signal and can be used to detect analytes such as bacteria, illicit drugs, and proteins as parts per billion concentrations. The assembly process occurs in minutes and requires little training to perform. The process is inexpensive and a patent for the process has recently been filed on this revolutionary technique. </div></div></div><div class="field field-name-field-location field-type-text field-label-above"><div class="field-label">Location of photograph:&nbsp;</div><div class="field-items"><div class="field-item even">Queen’s University&#039;s Facility for Isotope Research-ESEM</div></div></div><div class="field field-name-field-year-of-entry field-type-list-text field-label-above"><div class="field-label">Submission Year:&nbsp;</div><div class="field-items"><div class="field-item even">2016-17</div></div></div><div class="field field-name-field-photo field-type-image field-label-hidden"><div class="field-items"><div class="field-item even"><img typeof="foaf:Image" data-echo="/research/sites/default/files/Dies2016_1400.jpg" data-icon="" src="/research/sites/all/modules/contrib/lazyloader/image_placeholder.gif" width="1400" height="1750" alt="Silver nanoparticles assembled into a Christmas tree like structure" title="A Sensing Micro-Christmas Tree" /><noscript><img typeof="foaf:Image" src="/research/sites/default/files/Dies2016_1400.jpg" width="1400" height="1750" alt="Silver nanoparticles assembled into a Christmas tree like structure" title="A Sensing Micro-Christmas Tree" /></noscript></div></div></div> Mon, 21 Jan 2019 18:46:19 +0000 kvd1 857 at /research