Chitosan-capped gold nanoparticles for indicating temperature abuse in frozen stored products

ARTICLE OPEN Chitosan-capped gold nanoparticles for indicating temperature abuse in frozen stored products Chitradurga Obaiah Mohan 1 , S. Gunasekaran 2 and C. N. Ravishankar3 The present study aimed to optimize the conditions for the synthesis of gold nanoparticles (AuNP) using chitosan and to assess its effectiveness as temperature threshold indication for frozen storage conditions. Chitosan concentration of 0.25% and temperature of 90 °C for 15 min was optimum for synthesizing AuNP. The...