2020-12-21 20:42 The MicroCollect™ Sample Collection and Preservation Devices are designed for microorganism or oral cells collection and preservation from the oral cavity. Flocked swabs use innovative nylon fiber technology to provide excellent sample collection and release. Nylon fiber swabs allow a better collection of clinical samples and the subsequent immediate release into the rinse solution. After putting the collected sample into the rinse solution, the nucleic acid of the sample is preserved in solution.