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Sirona Biochem Appoints Three Chemistry Experts to Subsidiary Scientific Advisory Board

VANCOUVER, BRITISH COLUMBIA--(Marketwire - Feb. 14, 2012) - Sirona Biochem Corp. (TSX VENTURE:SBM)(PINKSHEETS:SRBCF)(FRANKFURT:ZSB), a biotechnology company specializing in carbohydrate chemistry technology, announced today it has appointed organic chemistry expert Professor Pierre Vogel, fluorine chemistry expert Dr. Bernard Langlois and carbohydrate chemistry expert Dr. Eric Leclerc to the Scientific Advisory Board of its subsidiary, TFChem.

"These respected chemists will bring a tremendous amount of scientific insight to our research efforts," said Dr. Howard Verrico, President and CEO of Sirona Biochem. "This expertise will help to streamline our processes in compound development, selection and formulation and give us a better understanding of the compounds' commercial relevance," Dr. Howard Verrico added.

Biography of Professor Pierre Vogel

Dr. Pierre Vogel has been a Professor of Organic Chemistry at the Ecole Polytechnique Federale de Lausanne, Switzerland since 2001. In 1969, he completed his Ph.D under the supervision of Prof. H. Prinzbach at the Institute of Organic Chemistry, University of Lausanne. Dr. Vogel spent two years at Yale University, New Haven, Connecticut, USA with Prof. Martin Saunders, Prof. J. A. Berson, K. A. Wiberg and P.v.R. Schleyer (Princeton Universtiy). He then worked as a Research chemist at Syntex S.A., in Mexico with Prof. P.Crabbe before returning to the University of Lausanne in 1973. As of 1977 he became Professor of organic chemistry at the University of Lausanne. In 1991 he was Vice-Chairman of the Institute of organic Chemistry, University of Lausanne until 2001. He was also a part-time graduate school teacher at the Universities of Rouen and Caen from 1991 to 1993 and part-time professor at Ecole Polytechnique de Palaiseau from 1993-2000. Dr. Vogel has authored over 520 publications in referred journals.

Biography of Dr. Bernard Langlois

Dr. Bernard Langlois is a scientific expert in the area of organic fluorine chemistry with more than 40 years of academic experience. Until recently, he was the Director of the SERCOF laboratory at the University of Lyon in France as well as the Research Director for CNRS at the Universite de Claude Bernard. D. Langlois has been involved in organic fluorine chemistry since 1970, when he joined the research team of the Rhone-Poulenc Co. His interest is directed to all aspects of organic fluorine chemistry; aromatic and aliphatic compounds, fluorination and trifluoromethylation techniques, as well as functionalization of fluorinated substrates. During his career, he developed new methods for performing radical perfluoroalkylation using "Halons" or sodium trifluoromethanesulfinate, mild nucleophilic trifluoromethylation with fluoral hemiaminals or hydroxytrifluoroacetamides, as well as nucleophilic trifluoromethoxylation. He was also involved in work on a new route to triflic acid from bromotrifluoromethane. Dr. Langlois is the author of more than 90 articles, 9 book chapters, 33 patents, 60 poster presentations, 69 oral presentations and 39 invited and plenary lectures in national and international events. Dr. Langlois received his PhD from the University of Lyon (France).

Biography of Dr. Eric Leclerc

Dr. Eric Leclerc is currently a Centre Nationale de la Recherche Scientifique (CNRS) Researcher at the Institut Charles Gerhardt in France. In this role, Dr. Leclerc is responsible for the development of new tools for the synthesis of fluoroolefins and metabolically stable, fluorinated glycomimetics as analogues of glycoconjugate with high therapeutic potential. Prior to this role he was a Researcher at the Institut National des Sciences Appliquees (INSA) de Rouen, also in France, where he was responsible for the development of fluorinated glycomimetics and synthesis of chiral ligands for asymmetric catalysis. Previous positions include a post-doctoral role at the University of Hawaii at Manoa and a PhD position at the Universite Pierre et Marie Currie. Dr. Leclerc has authored more than 20 publications and has given several presentations in the area of fluorinated glycomimetics. He received his PhD and Masters in organic chemistry from the Universite Pierre et Marie Currie in 2001 and 1997, respectively.

About Sirona Biochem Corp.

Sirona Biochem is a biotechnology company developing diabetes therapeutics, cancer vaccine antigens, skin depigmenting and anti-aging cosmeceuticals and biological ingredients. We are applying a proprietary chemistry technique to improve the pharmaceutical properties of our carbohydrate-based molecules. For more information visit

Sirona Biochem cautions you that statements included in this press release that are not a description of historical facts may be forward-looking statements. Forward-looking statements are only predictions based upon current expectations and involve known and unknown risks and uncertainties. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of release of the relevant information, unless explicitly stated otherwise. Actual results, performance or achievement could differ materially from those expressed in, or implied by, Sirona Biochem's forward-looking statements due to the risks and uncertainties inherent in Sirona Biochem's business including, without limitation, statements about: the progress and timing of its clinical trials; difficulties or delays in development, testing, obtaining regulatory approval, producing and marketing its products; unexpected adverse side effects or inadequate therapeutic efficacy of its products that could delay or prevent product development or commercialization; the scope and validity of patent protection for its products; competition from other pharmaceutical or biotechnology companies; and its ability to obtain additional financing to support its operations. Sirona Biochem does not assume any obligation to update any forward-looking statements except as required by law.

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.
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