Manipulation of microparticles and red blood cells using optoelectronic tweezers

Pramana

A Uppal¹  S Ahlawat¹  R Dasgupta¹  R S Verma1¹  N Kumar¹  P K Gupta¹ 

[1] Raja Ramanna Centre for Advanced Technology, Indore 452 013, India$$

关键词: Optoelectronic tweezers;    optically-induced dielectrophoresis;    AC dielectrophoresis.;   

DOI  :  

学科分类：物理（综合）

来源: Indian Academy of Sciences

【 摘 要 】

We report the development of an optoelectronic tweezers set-up which works by lightinduced dielectrophoresis mechanism to manipulate microparticles. We used thermal evaporation technique for coating the organic polymer, titanium oxide phthalocyanine (TiOPc), as a photoconductive layer on ITO-coated glass slide. Compare to the conventional optical tweezers, the technique requires optical power in 𝜇W range and provides a manipulation area of a few mm2. The set-up was used to manipulate the polystyrene microspheres and red blood cells (RBCs). The RBCs could be attracted or repelled by varying the frequency of the applied AC bias.

【 授权许可】

Unknown