Control Sample (image) The Optical Society Share Print E-Mail Caption The control sample shows mold growth on the strawberries after seven days. Credit Credit: Sensor Electronic Technology Inc (SETi). Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.