Prof. Raluca-Ioana van Staden
Head of Electrochemistry Lab and PATLAB, National Institution of Researcher of Electrochemistry and Condensed Matter, Bucharest, Hungary
October 4, 2011 | 12:00 to 01:00 | 540 Cory Hall, DOP Center Conference Room
Host: Katalin Voros
Early detection of diseases such as cancer is very important because prospects of a cure greatly increase if they are detected earlier. Our research is directed at finding the best methods of diagnosis at the onset stage. The development of screening methods for cancer diagnosis is directly correlated with the discovery of new specific biomarkers for certain types of cancer. The methods must have adequate sensitivity and selectivity to detect the biomarker at ng/mL concentration levels. My research group proposed a new class of sensors based on nanostructured materials for cancer molecular diagnosis. We used these sensors until now for diagnosis of prostate, breast, ovarian and gastrointestinal cancer. Clinical tests to date have proven that the proposed microsensors and the new method of electroanalysis can be used successfully for mass screening due to high sensitivity, high reliability, low cost, possibility to distinguish successfully between healthy people and people who already developed the illness. These microsensors can be used easily for the assay of a specific biomarker at ng/mL magnitude order, making their utilization possible for the diagnosis of cancer at a very early stage. The samples used for analysis were whole blood and saliva - just because "No sampling is better than the sample itself" (GE Baiulescu). Therefore, this method may be a chance for life for many people who are prone to develop cancer.
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