GLAD Based Advanced Nanostructures for Diversified Biosensing Applications: Recent Progress

Area of Science:

• Materials Science
• Nanotechnology
• Biomedical Engineering

Background:

• Glancing angle deposition (GLAD) is a physical vapor deposition technique.
• GLAD enables the fabrication of sculpted micro- and nanostructures with controlled morphology.
• GLAD nanostructures exhibit enhanced optical, catalytic, and sensing properties.

Purpose of the Study:

• To review recent advances in GLAD-fabricated nanostructures.
• To highlight the applications of GLAD nanostructures in the biomedical field.
• To discuss the effects of morphology and deposition conditions on GLAD structures and their sensing capabilities.

Main Methods:

• Review of literature on GLAD techniques and applications.
• Analysis of GLAD nanostructures' morphology and deposition parameters.
• Examination of biosensing and molecular imaging applications of GLAD nanostructures.

Main Results:

• GLAD nanostructures are effective platforms for chemical and biosensing, surpassing conventional nanomaterials.
• GLAD nanostructures are utilized in various biosensing techniques including SPR, fluorescence, SERS, and colorimetric detection.
• GLAD finds applications in molecular imaging (fluorescence, super-resolution, photoacoustic) and in vivo drug delivery.

Conclusions:

• GLAD technology offers a versatile approach for fabricating nanostructures with tailored properties for biomedical applications.
• GLAD-based nanostructures show significant promise in enhancing biosensing sensitivity and molecular imaging resolution.
• Future research should address challenges in GLAD technology for broader clinical translation and advanced applications.