Integrated pH Sensors Based on RuO/GO Nanocomposites Fabricated Using the Aerosol Jet Printing Method.

An aerosol jet printing (AJP) process for depositing ruthenium dioxide (RuO) as a promising material for pH sensing is reported. Graphene oxide (GO) with a large surface area was used for the in situ sol-gel deposition of RuO nanoparticles on its surface. The cosolvent ratio and solid loading of the solution are adjusted to form a printable and stable ink.

Nanomaterials in Smart Packaging Applications: A Review.

Food wastage is a critical and world-wide issue resulting from an excess of food supply, poor food storage, poor marketing, and unstable markets. Since food quality depends on consumer standards, it becomes necessary to monitor the quality to ensure it meets those standards. Embedding sensors with active nanomaterials in food packaging enables customers to monitor the quality of their food in real-time.