Jasper, J. P. (2004) Pharmaceutical security: Using stable isotopes to authenticate pharmaceutical materials. Tablets and Capsules 2(3):37-42.
Jasper, J. P., L. E. Weaner, and J. M. Hayes (2007) Process Patent Protection: Characterizing synthetic pathways by stable-isotopic measurements. Pharm. Technol. 31(3):68-73.

Jasper, J.P., R.C. Lyon, and L.E. Weaner (2005) Stable isotopes provide a new PAT [Process Analytical Technology] tool. Pharm. Mfg. 4(5):28-33.
Molecular Isotope Technologies advertisement (January, 2004). We can differentiate sources of drugs by their natural "fingerprints." Pharm. Technol.
Wokovich, A.M., J.A. Spencer, B.J. Westenberger, L.F. Buhse, and J.P. Jasper. (2005) Stable isotopic composition of the active pharmaceutical ingredient (API) Naproxen. J. Pharm. Biomed. Anal., 38:781-784.

Jasper, J. P., L. E. Weaner, and B. J. Duffy (2005) A preliminary multi-stable-isotopic evaluation of three synthetic pathways of Topiramate. J. Pharm. Biomed. Anal. 39:66-75.

Jasper, J. P., L. E. Weaner, and B. J. Duffy (2004). A preliminary multi-stable isotopic evaluation of Topiramate. Forensic Isotope Ratio Mass Spectrometry (FIRMS) Newsletter 2(2):8-9.

Jasper, J. P., B. J. Westenberger, J. A. Spencer, L. F. Buhse, and M. Nasr (2004).. Stable isotopic characterization of active pharmaceutical ingredients. J. Pharm. Biomed. Anal. 35:21-30

Authentication News (2004).
Two new FDA studies cover stable isotopic authentication. June 2004 10(5):5.

Jasper, J. P., F. Fourel, A. Eaton, J. Morrison, and A. Phillips (2004). Stable isotopic characterization of analgesic drugs. Pharm. Technol. 28(8):60-67, (abstract presented at May, 2001 Am. Soc. Mass Spec., Chicago, Illinois).

Jasper, J.P., J. S. Edwards, L. C. Ford and R.A. Corry. (2002). Putting the arsonist at the scene: "DNA" for the fire investigator? Gas chromatography/isotope ratio mass spectrometry. Fire Arson Investig. 51(2): 30-34. (Also see A Novel Method for Arson Analysis .)

Jasper, J. P. (2001). Quantitative estimates of precision for molecular isotopic measurements. Rap. Comm. Mass Spec. 15:1554-1557.

Jasper, J. P. (1999). The increasing use of stable isotopes in the pharmaceutical industry. Pharm. Technol. 23(10):106-114.

For any questions regarding these papers, please contact Dr. John Jasper.

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