Optical biosensors in drug discovery

Area of Science:

• Biotechnology
• Analytical Chemistry
• Biophysics

Background:

• Optical biosensors, including surface plasmon resonance, waveguide, and resonant mirror technologies, have been instrumental in analyzing biomolecular interactions over the past decade.
• These label-free sensors provide real-time determination of affinity and kinetics for diverse molecular interactions.

Purpose of the Study:

• To review significant advancements in optical biosensor instrumentation and their applications.
• To highlight emerging developments, such as highly multiplexed optical biosensor arrays, in the field.

Main Methods:

• Review of literature on optical biosensor technologies (surface plasmon resonance, waveguides, resonant mirrors).
• Analysis of instrumentation advancements and experimental design in biosensing.
• Examination of diverse applications within drug discovery and manufacturing.

Main Results:

• Optical biosensors enable label-free, real-time analysis of biomolecular interactions, determining affinity and kinetics.
• Significant progress in instrumentation and experimental design has expanded biosensor applications.
• Key areas of application include target identification, ligand fishing, assay development, lead selection, ADME studies, and quality control.

Conclusions:

• Optical biosensors are versatile tools for molecular interaction analysis with broad applications in drug discovery.
• Continued advancements in instrumentation and the development of multiplexed arrays promise further innovation and utility.