Investigation of the stability and biocompatibility of commonly used electrode materials in organic neuro-optoelectronics
De Mello J
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We have investigated the stability of key electro-optical properties (Conductivity, Work Function, Transmittance) of several commonly used electrode materials for organic optoelectronics (Indium-Tin Oxide, Gold, Silver, Aluminum) in different media (Air, DI water, Phosphate Buffered Saline and Dulbecco's Modified Eagle Medium). By comparing the electrode materials side by side, we aimed to identify their advantages and drawbacks for use in solid/liquid devices. Since many applications of such devices involve the direct contact with biological species, we also investigated their biocompatibility by evaluating cytotoxicity of HEK293 cells cultured on the candidate materials.
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On the influence of the kinetic energy on the stability of equilibria of natural Lagrangian systems Bertotti, ML; Bolotin, SV (Springer Verlag (Germany), 2000)Natural Lagrangian systems (T,Π) on R 2 described by the equation are considered, where is a positive definite quadratic form in and Π(q) has a critical point at 0. It is constructively proved that there exist a C ∞ potential ...