A computer system and method for preventing a Dynamic-Link Library injection attack are provided. The device is designed to collect, hold and transfer a biological specimen into a non-evacuated tube through an integrated pivotable faucet component. ; following the formation of the In-including film, post-annealing, typically in an O2 atmosphere; and, in response to the post-annealing: forming an In2O3 film; and, controlling the resistivity in the In2O3 film. The channel carrier comprises an inner sleeve, an elastomer connected to the inner sleeve by vulcanization and a channel ring, which surrounds the inner sleeve and the elastomer and is likewise connected to them by vulcanization.