School of Chemistry&Chemical Engineering;
Southeast University;
Nanjing 211189;
China;
Key Laboratory of Environmental Materials&Environmental Engineering of Jiangsu Province;
Yangzhou 225002;
China;
School of Chemistry&Chemical Engineering;
Yangzhou University;
Yangzhou 225002;
China;
Départment de Chimie Moléculaire UMR-5250;
ICMG FR-2607;
CNRS UniversitéJoseph Fouier;
BP-53;
Grenoble 38041;
France;
layered; double; hydroxides; clay; choline; oxidase; choline; biosensor;