{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T13:19:58Z","timestamp":1790774398649,"version":"4.1.0"},"reference-count":23,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2015,7,24]],"date-time":"2015-07-24T00:00:00Z","timestamp":1437696000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"National Institute of Drugs of Abuse","award":["T32 DA007237"],"award-info":[{"award-number":["T32 DA007237"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Microscopy Res &amp; Technique"],"published-print":{"date-parts":[[2015,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Epi\u2010illuminescence intravital fluorescence microscopy has been employed to study leukocyte\u2010endothelial interactions in a number of brain pathologies. Historically, dyes such as Rhodamine 6G have been injected intravenously. However, intravenous injections can predispose experimental animals to a multitude of complications and requires a high degree of technical skill. Here, we study the efficacy of injecting Rhodamine 6G into the peritoneum (IP) for the purpose of analyzing leukocyte\u2010endothelial interactions through a cranial window during real time intravital microscopy. After examining the number of rolling and adherent leukocytes through a cranial window, we found no advantage to the intravenous injection (IV). Additionally, we tested blood from both routes of injection by flow cytometry to gain a very precise picture of the two methods. The two routes of administration failed to show any difference in the ability to detect cells. The study supports the notion that IP Rhodamine 6G works as efficaciously as IV and should be considered a viable alternative in experimental design for investigations employing intravital microscopy. Facilitated intravital studies will allow for more exploration into cerebral pathologies and allow for more rapid translation from the laboratory to the patient with less chance of experimental error from failed IV access. <jats:italic>Microsc. Res. Tech. 78:894\u2013899, 2015<\/jats:italic>. \u00a9 2015 Wiley Periodicals, Inc.<\/jats:p>","DOI":"10.1002\/jemt.22552","type":"journal-article","created":{"date-parts":[[2015,7,24]],"date-time":"2015-07-24T07:39:33Z","timestamp":1437723573000},"page":"894-899","source":"Crossref","is-referenced-by-count":9,"title":["<scp>IV<\/scp> and <scp>IP<\/scp> administration of rhodamine in visualization of <scp>WBC\u2010BBB<\/scp> interactions in cerebral vessels"],"prefix":"10.1002","volume":"78","author":[{"given":"Zachary Wilmer","family":"Reichenbach","sequence":"first","affiliation":[{"name":"Temple University School of Medicine, Center for Sustance Abuse Research Philadelphia Pennsylvania 19140"},{"name":"Department of Cellular and Molecular Physiology Temple University School of Medicine Philadelphia Pennsylvania 19140"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hongbo","family":"Li","sequence":"additional","affiliation":[{"name":"Temple University School of Medicine, 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