Personalized 'Organ on a chip' Systems
‘Organ on a chip’ systems are microfluidic 3D human tissue and organ models designed to mimic the important biological and physiological parameters of their in vivo counterparts. They have recently emerged as a platform for personalized medicine and drug screening. Numerous animals die in traditional clinical trials, in addition, the studies last for 10-15 years and the average cost of developing a drug can exceed 2 billion dollars. Therefore, it is expected that these in vitro models will mimic the biomimetic compositions, architectures and functions and will close the large gap between the animal models and the human body. Our work in this field continues with the innovative projects.
Microfluidic Biosensor for Toxin Detection
The amount of toxin in marine wildlife and even marine birds and mammals has increased due to the increase in pollution in sea water. In this respect, our research group aim is to develop a relatively inexpensive, easy-to-use system that analyzes toxin substances in marine organisms with the microfluidic-biosensor system. Thus, the necessary controls will be made with the detection of target toxins in the frequently consumed seafood and the necessary measures will be taken by monitoring the marine pollution in this sense.
Functional High Performance Polymeric Fibers (HiPER)
By an innovative two-step post-processing improvement during the melt-spinning process, we are able to selectively tune mechanics, diameter, morphology, and functionality like adhesion and flame retardancy. The fibers are passed through a first post-processing stage which has low temperature with low viscosity. In the second step, the fibers are faced by higher temperature and higher viscosity to manipulate desired functionalities.
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Controlled Drug Delivery Systems
Our research team is working on core-shell nanofibers with different morphologies. Since the produced nanofibers are double-layered and the polymer shell layer is modified as porous and non-porous, the delivery of the drug, bioactive agents, additives, protein, growth factor, and etc. can be controlled over a prolonged period of time. Various studies have been carried out by our research group in medical applications where burst or prolonged drug release is necessary from antibacterial to wound healing, prolonged insulin release for diabetic patients avoiding frequently insulin intake and blood glucose measurement; the control and prevention of periodontal defects with controlled release.
Electrochemical Impedance Spectroscopy in Batteries
The graph on the left handside is the Nyquist plot of 18650 lithium-ion battery cell at the potential of 3.5 volts presenting impedance (EIS) data and Kramers-Kronig (K-K) fit with the indications and explanations of electrochemical properties of the cell. The picture on the top right shows the experimental setup. The scheme on the bottom right represents the equivalent circuit for rechargeable batteries; i.e., commercially obtained 18650 lithium-ion and 6HR61 nickel-metal hydride batteries