Background Food quality and safety are very important from health as well as fiscal point of
view. Surface-enhanced Raman spectroscopy (SERS) techniques have unique advantages …

Background Nucleic acid aptamers, defined as small functional nucleic acids that can
selectively bind to a specific target, have become one of the main bio-recognition elements …

Surface-enhanced Raman spectroscopy, due to its high sensitivity, unique vibrational
fingerprint identification of molecules and easy operation, has been extensively applied in …

As an important analysis technology, SERS has the characteristics of fast, sensitive,
informative and highly selective. The sensitivity and reproducibility are highly dependent on …

Nanomaterials have been exploited extensively to fabricate various biosensors for clinical
diagnostics and food & environmental monitoring. These materials in conjugation with highly …

Amyloid-β oligomers (AβOs) are highly toxic species involved in Alzheimer's disease (AD).
Hence, a reliable detection method for AβOs, which are promising potential therapeutic …

Carbendazim (CBZ) is a widely used pesticides, and its excessive intake is serious damage
to humans and animals. Herein, a stable and sensitive colorimetric aptasensor for rapid …

It is well known that food safety has aroused extensive attentions from governments to
researchers and to food industries. As a versatile technology based on molecular …

Under microwave conditions, Au-doped carbon dots (CD Au) were prepared using fullerene
as a precursor, and characterized in details. It is found that CD Au can strongly catalyze the …

A new Au nanocluster-doped covalent organic framework (AuCOF) was prepared and
characterized by electron microscopy and molecular spectroscopy. Based on aptamer …