Retracted article: Quantum dots high fluorescent signal amplification immunoassay using branched DNA and peptide nucleic acid conjugated antibody.

I, Yuan-Cheng Cao, hereby wholly retract this Analyst paper for correction. This article was submitted for publication without the knowledge and approval of the co-authors listed. Signed: Yuan-Cheng Cao, Newcastle University, UK, December 2011. This retraction is endorsed by May Copsey, Editor. Retraction published 16th December 2011.