Single-molecule orientation-localization microscopy: Applications and approaches

Area of Science:

• Biophysics
• Biochemistry
• Materials Science

Background:

• Single-molecule localization microscopy (SMLM) provides precise molecular positions.
• Adding orientation and dynamics information offers deeper insights into molecular behavior.

Purpose of the Study:

• To review recent innovations in single-molecule orientation-localization microscopy (SMOLM).
• To discuss SMOLM's impact on understanding nanoscale biophysical and biochemical processes.
• To guide researchers in selecting optimal SMOLM implementations.

Main Methods:

• Labeling strategies for orientation-specific probes.
• Advanced imaging techniques encoding orientation information.
• Computational methods for robust data analysis.

Main Results:

• SMOLM enables insights into actin networks, molecular motors, DNA, amyloid aggregates, and lipid membranes.
• Innovations improve fidelity of orientation and dynamics measurements.
• Computational methods handle noisy data effectively.

Conclusions:

• SMOLM significantly advances the study of molecular dynamics.
• Future directions include improved probes, adaptive hardware, and advanced computation.
• SMOLM holds potential for breakthroughs in biophysics, biochemistry, and materials science.