Unmodified gold nanoparticles as a colorimetric probe for potassium DNA aptamers.
Unmodified gold nanoparticles effectively differentiate unfolded and folded DNA, thus providing a novel approach to colorimetrically probe aptamer-based recognition processes.
Wang
Lihua
L
Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China.
Liu
Xingfen
X
Hu
Xiaofang
X
Song
Shiping
S
Fan
Chunhai
C
D052157:Aptamers, Nucleotide / Q000032:analysis* / Q000737:chemistry; D001483:Base Sequence; D015374:Biosensing Techniques / Q000379:methods*; D003124:Colorimetry / Q000379:methods*; D015342:DNA Probes; D017979:Gold Colloid / Q000737:chemistry*; D049329:Nanostructures / Q000737:chemistry*; D009690:Nucleic Acid Conformation; D011188:Potassium / Q000737:chemistry*
D052157:Aptamers, Nucleotide; D015342:DNA Probes; D017979:Gold Colloid; D011188:Potassium