APPLICATION: GRAPHENE NANOCOMPOSITE FOR IMPROVEMENT OF VACCINE TRANSPORTATION COLD CHAIN

Jorge Mario Patiño Acevedo, Hernán Francisco Villar Vega, Ramiro Antonio Isaza Escobar, Sergio Alfredo Matta López

Abstract


Vaccines are biological products that must be kept between 2˚C and 8˚C. If not, they lose effectiveness to the point of total inactivity. Seeking to enhance the useful life of vaccines when they must be transported to remote locations, the use of a mobile monitored cooling system (SMRM, by its Spanish acronym) using a graphene-reinforced polymer nanocomposite has been proposed. This nanocomposite improves the cooling or heating speed of thermal, electric, and electronic devices. This improvement aims to ensure that SMRM transported vaccines have a reduced exposure to temperatures outside the specified range, allowing for greater efficiency than when they are transported using commercial systems. As a result of this study, a cooling rate of 1.54 (˚C/min) and energy consumption of 6.67 W/h were achieved, demonstrating a significant improvement, which, compared to commercial systems, yields a 200% higher cooling rate and 41% less energy consumption.

Keywords


Vaccine, transportation, graphene, energy efficiency, nanocomposite, cold chain, thermoelectric cooling.

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