Fig. 7From: The chemical tool-kit for molecular imaging with radionuclides in the age of targeted and immune therapy18F-labelling of biomolecules – the problem and a putative solution. a: Conventional organic prosthetic group labelling is a multistep sequence of reactions; b: Aluminium-fluoride coordination approach: still multi-step; c: idealised one-step approach: not yet achieved under mild conditionsBack to article page