2-(aminomethyl)pyridine 2-furaldehyde Alzheimer biomarker History of engineering & technology Materials science Technology: general issues adsorption amyloid β-42 bisphenol A copper ion electroactive pastes and inks electropolymerization electrospinning molecularly imprinted films molecularly imprinted layers molecularly imprinted polymer molecularly imprinted polymers nanofibre optical sensor organosilane monomer phase inversion plastic optical fiber polyethylene terephthalate potentiometric sensor sol-gel sol-gel derived techniques surface plasmon resonance surface polymerization vegetable oil waste plastic