qSERS method a cost-efficient method POCT-method, which allow a precise quantification of analytes (CV≥ 2%). We are developing a portable reader perform the measurements everywhere. This means qSERS can be used practically both in hospitals, medical practices and in quality/safety control for the processing food industry. qSERS allow a cost-effective early detection of illness for humans especially in developing countries, no modern hospitalqSERS can replace expensive and time-consuming methods such as ELISA and HPLC techniques .For example the determination of antibiotics in milk takes two days and will cost ca. 100 €. qSERS deliver the same results within 10 minutes and our production cost is around 0.5 € per kit (average). qSERS can be used for determination of cytotoxic drugs too . The health insurance pays around 50 € for each measurement in Germany. None of above-mentioned segments has money worries! They are ready to pay the same price for rapid and to achieve accurate results.