Researchers with the Purdue Institute of Inflammation, Immunology and Infectious Disease are developing a Covid-19 diagnostic test. The test is a small sensor that will be able to produce rapid results given a sample of saliva. The sensors are being created in conjunction with IdentifySensors Biologics Corporation. The goal of the sensor is to be able to connect with smartphones and transmit fast, reliable data to reduce Covid transmission. 

Ana Ulloa a second year doctoral student in Materials Science Engineering holds up an unfinished sensor. Ana works in a lab in the Birck Nanot…

Doctoral student Ana Ulloa uses a syringe to load ink into a cartridge to print onto the sensors. 

Ana Ulloa uses a syringe to remove air from the ink cartridge before inserting the ink. 

An inkjet printer coats the sensors in different materials to optimize sensor properties. 

Eight of the gold plated sensors lay on the printer bed. The sensors go through multiple coatings of different materials to increase their con…

Unfinished sensors lay on the printer bed. Once finished, DNA will be deposited onto the front of the sensors and electric current will be use…

Second year doctoral student and researcher Ana Ulloa loads the printers ink cartridge with a material that increases the sensors surface area. 

Ana Ulloa holds up a sensor that has just come out of the inkjet printer. After going through layers of surface printing the sensors are dried…

Water is pipetted onto the surface of finished sensors in a laboratory in the Bindley Bioscience Center. Once completed the sensors should be …