Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Change in absorbance of AuNPs at 520 and 620 nm versus time (kinetic profiles) by injection of morphine and ibuprofen. Conditions: morphine/ ibuprofen concentration: 5.0 µg/mL, temperature 25 °C, ionic strength 1 mmol/L, pH of 6: AuNPs, 10 n mol / L.
