Conducting Nanomaterial Sensor Using Natural Receptors.

Area of Science:

• Biotechnology
• Nanomaterials Science
• Biosensor Technology

Background:

• Natural receptors (G protein-coupled, ligand-gated ion channels, enzyme-linked, intracellular) offer molecular specificity for detecting stimuli.
• Membrane-bound natural receptors are crucial for cell signaling and form the basis of various human sense-mimicking platforms.
• Conducting nanomaterials enhance the sensitivity and selectivity of biosensors when integrated with natural receptors.

Purpose of the Study:

• To review biosensors utilizing natural receptors, with a focus on natural receptor-conjugated conducting nanomaterial sensors.
• To provide a fundamental understanding of the fabrication, production, characteristics, immobilization, and applications of these advanced biosensors.
• To explore the future perspectives and industrial applications of natural receptor-based nanobioelectronic sensors.

Main Methods:

• Fabrication of conducting nanomaterials.
• Production of natural receptors (peptides, proteins, nanovesicles, nanodiscs).
• Immobilization technologies for combining nanomaterials and natural receptors.
• Characterization of receptor properties and sensor performance.

Main Results:

• Integration of conducting nanomaterials and natural receptors enables highly sensitive and selective detection of target molecules.
• Development of nanobioelectronic noses and tongues for odorants and tastants.
• Application of G-protein-coupled receptor sensors for detecting hormones, neurotransmitters, and other biomolecules with ultralow detection limits.

Conclusions:

• Natural receptor-conjugated conducting nanomaterial sensors represent a significant advancement in biosensing technology.
• These sensors offer potential for diverse applications in food safety, cosmetics, and healthcare.
• Future developments include signal processing for artificial olfactory codes and human olfactory standardization.