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Gabriel Caballero Robledo from the Center for Research and Advanced Studies (CINVESTAV)at Monterrey, Mexico, is working on the design of a small medical device capable of detecting allergies or diseases quickly and at a low cost.
"We want to design disposable devices, which could be purchased at the pharmacy, can be used and discarded, and aren't expensive. The device would be similar to a bar of 2x1 centimeters, and be made of plastic with an input that processes blood or saliva."
According to the specialist, the device will detect allergies. However, he discovered that the devices are very sensitive to the density of the package of the iron particles within the microfluidic channels, which had not been previously considered for blood tests.
"What I will do is optimize the device and see how densely compacted the grains of iron are, as well as the amount of nanoparticles that can be caught (with grains of iron), because the more it catches, the more sensitivity it will have to detect allergies or various conditions ".
Microfluidic devices can be applied to medicine through miniaturizing processes that are common in conventional large laboratory appliances. The idea is to integrate them in a small device, conferring the advantages of portability and disposability.
Read more at: phys.org...