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  • November 12, 2018
    Expert for Blood Samples

    team — At the beginning of October Dr. Frank Fleischmann joined the Broadband Infrared Diagnostics (BIRD) team led by Dr. Mihaela Zigman. Fleischmann began his career in biology as a botanist, but later switched to medical research. Before taking up his present position as a member of the BIRD team, he worked for a commercial provider of genetic tests, including the genotyping of cancer patients, for example. Fleischmann’s role in the BIRD team is akin to that of an archivist. He is responsible for the cataloging and storage of blood samples. Needless to say, accurate documentation and painstaking handling of test samples are of fundamental importance in medical research. After all, its ultimate goal is to produce a therapeutic agent or procedure that will be used to treat real patients every day. Fleischmann is also in charge of the database specially developed for the Lasers4Life project, and meticulously documents everything done with each and every one of the vital samples in his care.At the moment, the samples of blood plasma and the sera obtained from them are being stored at a temperature of −80°C. However, even this temperature is not low enough for long-term storage of such samples, as slow ice recrystallization alters their consistency, and after a certain time they have to be discarded. Fleischmann is working on an automated cooling system based on liquid nitrogen as the refrigerant, which will allow the samples to be kept at temperatures as low as −180°C. This is sufficiently cold to inhibit ice recrystallization in the liquid – and under these conditions, the constituents of the various blood fractions will remain unchanged for decades. Thus, as even more advanced methods of laser spectroscopy are developed in the future, the new system will enable the BIRD team to re-examine the samples already collected.