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<p class="MsoNormal">We use single-stub storage tubes for long-term storage of SEM type material, coated and uncoated:<o:p></o:p></p>
<p class="MsoNormal"><a href="https://www.tedpella.com/storage-boxes-bags_html/SEM-mount-storage-boxes.aspx#_16630">https://www.tedpella.com/storage-boxes-bags_html/SEM-mount-storage-boxes.aspx#_16630</a><o:p></o:p></p>
<p class="MsoNormal">These are sufficiently airtight that their internal conditions will equilibriate, and we keep them in cabinets within our normal collection space, which is 50-65 degrees F and 50-70% rH.<o:p></o:p></p>
<p class="MsoNormal">Of course, this likely will prove too expensive for large-scale storage, in which case a dry chamber or dry room is likely to be more economical.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black;mso-ligatures:standardcontextual">Paul Callomon</span></b><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black;mso-ligatures:standardcontextual"><br>
<i>Collection Manager, Malacology and General Invertebrates</i></span><span style="mso-ligatures:standardcontextual"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black;mso-ligatures:standardcontextual">Academy of Natural Sciences of Drexel University, Philadelphia</span></b><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black;mso-ligatures:standardcontextual"><br>
<i><a href="mailto:callomon@ansp.org"><span style="color:blue">callomon@ansp.org</span></a> Tel 215-405-5096 - Fax 215-299-1170</i></span><span style="mso-ligatures:standardcontextual"><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Nhcoll-l <nhcoll-l-bounces@mailman.yale.edu>
<b>On Behalf Of </b>Menard, Katrina<br>
<b>Sent:</b> Friday, December 13, 2024 12:32 PM<br>
<b>To:</b> NHCOLL-L <nhcoll-l@mailman.yale.edu><br>
<b>Subject:</b> [Nhcoll-l] Holotype specimens on SEM stubs<o:p></o:p></span></p>
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<p><b><span style="font-family:"Arial",sans-serif;font-variant:small-caps;color:black">External.</span></b><b><span style="font-family:"Arial",sans-serif;font-variant:small-caps"><o:p></o:p></span></b></p>
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<p class="MsoNormal" style="margin-left:.5in">Hi All, <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">We have received a request to deposit a holotype of a protist into our collection, but the specimen was used for SEM. We have desiccation chambers for storing SEM stubs for working research, but I wanted to know
if there is a best practice for long-term storage of SEM specimens that are designated holotypes/type material. Do other collections utilize sequestered chambers for type material, or is there another way to store unicellular type material that was coated?<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Thank you for all of your input and suggestions,<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Katrina<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="color:black">------------------------------------------------------------------------------<br>
Dr. Katrina Menard (she/her)<br>
Collection Manager, Invertebrates<br>
Ecology & Evolutionary Biology<br>
University of Connecticut<br>
Unit 3043, 75 N. Eagleville Rd.<br>
Storrs, CT 06269-3043<br>
email: <a href="mailto:katrina.menard@uconn.edu">katrina.menard@uconn.edu</a><br>
<br>
Zootaxa Section Editor: Miroidea<o:p></o:p></span></p>
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