• The honey authenticity and its related issues are summarized in detail. • Integrated instrumental analysis methodology of honey authenticity is elaborated. • Advances in extraction methods for honey authentication purpose are highlighted. • The role of chemometric tools have been explained in details. • The development trend and future challenges are analyzed.

This work reports a new nanosensor based on analyte-triggered autocatalytic amplification and label-free gold nanoparticles for the colorimetric detection of Hg ²⁺ , Cu ²⁺ and Ag ⁺ with detection limits less than 3 nM.

This work describes a general methodology for enhanced enzyme-linked immunosorbent assay (ELISA) that integrates enzyme-coated microparticle probes for robust yet highly efficient signal amplification and a handheld pH meter for a simple, portable, and quantitative readout.