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http://dx.doi.org/10.7471/ikeee.2019.23.1.295

Design of an Inexpensive Heater using Chip Resistors for a Portable Real-time Microchip PCR System  

Choi, Hyoung-jun (Dept. of Electronics and control Engineering, Hanbat University)
Kim, Jeong-tae (Dept. of Electronics and control Engineering, Hanbat University)
Koo, Chi-wan (Dept. of Electronics and control Engineering, Hanbat University)
Publication Information
Journal of IKEEE / v.23, no.1, 2019 , pp. 295-301 More about this Journal
Abstract
A heater in a portable real-time polymerase chain reaction(PCR) system is one of the important factors for controlling the PCR thermocycle precisely. Since heaters are integrated on a small-sized PCR chip for rapid heating and fabricated by semiconductor processes, the cost of producing PCR chips is high. Here, we propose to use chip resistors as an inexpensive and accurate temperature control method. The temperature distribution was simulated using one or two chip resistors on a real-time PCR chip and the PCR chip with uniform temperature distribution was fabricated. The temperature rise and fall rates were $18^{\circ}C/s$ and $3^{\circ}C/s$, respectively.
Keywords
Portable PCR; Real-time PCR; Thermocycler; Inexpensive heater; Chip resistor;
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