Multi-Layer PMMA Microfluidic Systems for Ammonia Detection

Bio/chemical microsystems are often aimed at the determination of biological or chemical compounds in fluids. An example of such an application is the quantification of ammonia in water samples. Currently, there are several efforts in the scientific community to make it possible to inexpensively, robustly and reliably measure ammonia in environmental samples using a microanalytical system [1, 2]. It is possible to envision a network of several mass-produced ammonia sensors that monitor water quality. In addition to stationary placed ammonia measuring units, light-weight portable measurement systems are also of interest, especially to environmental monitor officers and field scientists.