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Atomic Layer Deposition in Bio-Nanotechnology: A Brief Overview.
Arghya K Bishal1, Arman Butt1, Sathees K Selvaraj2
1Department of Bioengineering, University of Illinois at Chicago, Chicago, IL.
Critical Reviews in Biomedical Engineering
|August 3, 2016
Summary
Atomic layer deposition (ALD) offers precise control for ultrathin films in nanotechnology. This technique shows great promise for developing advanced biomaterials and modifying surfaces for biomedical applications.
Area of Science:
- Nanotechnology
- Biomaterials Science
- Surface Chemistry
Background:
- Atomic layer deposition (ALD) is a key technique for creating ultrathin films at the nanoscale.
- ALD enables precise modification of surface chemistry and functionalization for various applications.
- Its application is growing in biomedical engineering and biological sciences for material optimization.
Purpose of the Study:
- To review ALD techniques and their applications in biotechnology.
- To present results demonstrating ALD's potential in bio-nanotechnology.
- To highlight ALD's role in developing advanced biomaterials.
Main Methods:
- Review of established Atomic Layer Deposition modes.
- Application of ALD for surface modification and thin film deposition.
- Analysis of material properties altered by ALD.
Main Results:
- ALD effectively tunes hydrophilicity/hydrophobicity of biomedical surfaces.
- Conformal ultrathin coatings are formed on high-aspect-ratio biomedical substrates.
- ALD modifies antibacterial properties and creates multifunctional biomaterials.
Conclusions:
- Atomic layer deposition is a promising method for bio-nanotechnology.
- ALD facilitates the development of advanced materials for medical implants and devices.
- The technique allows for tailored surface properties crucial for biomedical applications.

