Under the Skin, a Tiny Laboratory (VIDEO) Ecole Polytechnique Fédérale de Lausanne This video is under embargo. Please login to access this video. Caption EPFL scientists have developed a tiny, portable personal blood testing laboratory: a minuscule device implanted just under the skin provides an immediate analysis of substances in the body, and a radio module transmits the results to a doctor over the cellular phone network. This feat of miniaturization has many potential applications, including monitoring patients undergoing chemotherapy. Credit EPFL Usage Restrictions Source to be cited License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.