Biomedical engineers from the University of Cincinnati and the University of California have shown that interstitial fluid between cells, tissues and organs in the body can be a suitable environment for early diagnosis of diseases. The research was published in the journal Doga Biomedical Engineering.
Interstitial or tissue fluid makes up 15% of a person’s body weight. The researchers point out that interstitial fluid contains many chemicals in the same proportions as blood, but is much easier to collect and analyze.
The authors of the publication are developing sensors to measure hormones and other chemicals in the interstitial fluid. They use micro needles less than 1 millimeter that pierce the skin through a small area. This technology will assist in the continuous monitoring of biomarkers and enable early diagnosis of many diseases.
Most modern diagnostic methods now rely on blood sampling, which can be painful and require trained personnel.
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Source: Gazeta
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