Enhanced Peroxidase‐Like Properties of Graphene–Hemin‐Composite Decorated with Au Nanoflowers as Electrochemical Aptamer Biosensor for the Detection of K562 Leukemia Cancer Cells

Invited for the cover of this issue is the group of Hong Zhou and Shushen Zhang at the University of Linyi. The image depicts a graphene–hemin-composite with Au nanoflowers as peroxidase mimic with enhanced catalytic activity for electrochemical aptamer biosensing. Read the full text of the article at 10.1002/chem.201604354.