Microfluidic Chip (image) National Oceanography Centre, Southampton (UK) Caption The image shows the microfluidic chip used in the pH micro sensor. Dimensions: 13 x 8 cm. Credit National Oceanography Centre Usage Restrictions Credit to National Oceanography Centre 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.