A novel colorimetric method based on polyaniline (PANI) film for the development of smart packaging, as a chemical sensor for real-time monitoring of the microbial breakdown products in the headspace of packaged fish is described. This on-package indicator contains PANI Read More …
Tag: Label sensors
Simple on package indicator label for monitoring of grape ripening process using colorimetric pH sensor
A simple on package indicator label for grapes (Vitis vinifera L.) ripeness has been developed based on chlorophenol red (CPR). The CPR was immobilized onto the filter paper via absorption method to make the CPR membrane. The membrane as a Read More …
On-package dual sensors label for real-time monitoring of beef freshness
On-package dual sensors label has been constructed based on two pH indicators, and it has been applied to monitor the beef freshness. The two pH indicators used are methyl red (MR) and bromo cresol purple (BCP). The beef decay could Read More …