Molecular Science and Biomedicine Laboratory (MBL);
State Key Laboratory of Chemo/Bio-Sensing and Chemometrics;
College of Chemistry and Chemical Engineering;
Aptamer Engineering Center of Hunan Province;
Hunan Provincial Key Laboratory of Biomacromolecular Chemical Biology;
Hunan University;
Changsha 410082;
China;
Faculty of Science and Technology;
University of Macao;
Taipa 999078;
Macao;
China;
Versatile; Metal; graphitic; nanocapsules; SERS; Biodetection; Bioimaging;