Department of Biopharmaceutical Sciences

College of Pharmacy

Robert E. Gaensslen, Ph.D.

Robert E. Gaensslen, Ph.D.

Professor Emeritus, Forensic Science

Contact Information
833 South Wood Street (MC 865)
Chicago, IL 60612-7231
Office: (312) 996-0888
Fax: (312) 996-0098
Forensic Science Program


Ph.D. - Cornell University - 1971

Research Interests

Forensic Science Education
(Related Publications)

Methods for the enhancement and development of latent fingerprints
(Related Publications)

Identification and individualization of blood, body fluid, and tissue evidence
(Related Publications)

Forensic laboratory approaches to assessing and addressing the drug-facilitated sexual assault problem
(Related Publications)

DNA typing and applications of DNA technology to forensic science
(Related Publications)
Equine Pharmacology and Toxicology
(Related Publications)

Publications (2004-2009)

Gaensslen RE, Blood, Bugs and Plants, in: Forensic Sciences series, S. Bell (ed.), Facts-on-File, New York,  March 2009; published separately as a trade volume with the title “Blood, Guts and Plants.” 

Gaensslen RE, Harris H, Lee HC. Introduction to Forensic Science and Criminalistics. New York NY: McGraw Hill, 432 pp., 2008 (appeared 2007)

Luckie C, Whitney C, Benoit M, Taddei L, Sukta A, Peterson J, Schwope D, Gaensslen RE, Negrusz A. Detection and quantification of low levels of benzoylecgonine in equine urine. Forensic Sci Int. 2008; May 2;177(1):e21-4 Epub 2007 Sep 27. DOI

Juhascik MP, Negrusz A, Faugno D, Ledray L, Greene P, Lindner A, Haner B, Gaensslen RE. An estimate of the proportion of drug-facilitation of sexual assault in four U.S. localities. J Forensic Sci. 2007;52(6):1396-400.

Kastrissio, H, Gaensslen RE, Negrusz A. Analytical issues in forensic toxicokinetics, Problems of Forensic Sciences 2007;44:382-94.

Gaensslen RE. Should biological evidence or DNA be retained by forensic science laboratories after profiling? No, except under narrow legislatively-stipulated conditions. J Law Med Ethics. 2006 Summer;34(2):375-9.  DOI

Gaensslen RE. Fingerprints. Encyclopedia Americana, Grolier online. 2006.

Negrusz A, Gaensslen RE. Drug-Facilitated Sexual Assault. In: Payne-James J, Byard R, Corey T, Henderson C, editors. Encyclopedia of Forensic and Legal Medicine. New York, NY: Academic Press; 2005.

Juhascik M, Le NL, Tomlinson K, Moore C, Gaensslen RE, Negrusz A. Development of an analytical approach to the specimens collected from victims of sexual assault. J Anal Toxicol. 2004;28(6):400-6. DOI

Andrews LB, Buenger N, Bridge J, Rosenow L, Stoney D, Gaensslen RE, Karamanski T, Lewis R, Paradise J, Inlander A, Gonen D. Ethics. Constructing ethical guidelines for biohistory. Science. 2004;304(5668):215-6.  DOI