Conventional methods for monitoring environmental contamination rely heavily on the use of laboratory-based spectroscopic methods that are sensitive and selective but require knowledge for operation, are expensive and cumbersome to use in the field. Simple on site detection is required for large-scale monitoring of contaminants. Easy to use analytical assays or sensors are needed for practical implementation. Recent advances in 2D and 3D printing have provided tremendous opportunities for designing methodologies to enable scalable production of point of use devices in large quantity and with suitable stability, selectivity and robustness. This presentation will describe design, fabrication, optimization and characterization of novel 2D and 3D printed analytical devices for monitoring water contaminants, including bisphenol A, copper and phosphate.  Optimization of printing parameters such as ink formulation, viscosity and deposition layers and how this affect printing performance will be discussed. Side-by-side comparison on the fabricated sensors with conventional methods, method validation and examples of applications will be described.  Considering their high portability, these sensors could be used for on-site detection and environmental monitoring in areas that require high throughput analysis of large number of samples.

Advanced manufacturing of scalable easy-to-use sensors for field monitoring of water contamination

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.