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.
Fluorescent spectra of His‐tagged GFP showing the change of emission intensity of the solution purified with
(A) Non‐magnetic Ni‐NTA, (B) Magnetic Ni‐NTA, (C) Fe3 O4 /MPS@PAA/NTA‐Ni2+ nanocomposites. (a) Before and (b) After reaction with beads, (c) Released His‐tagged GFP in imidazole solution
