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Chemicals, plastics and rubber industries

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Nonlinear saturation and determination of the two-photon absorption cross-section of green fluorescent protein

Article Abstract:

The quantitative determination of the two-photon absorption saturation of green fluorescent protein (GFP) in homogeneously broadened, inhomogeneously broadened systems and the nonlinear saturation in GFP are presented. It is seen that the GFP has a large intrinsic two-photon absorption cross section value that is larger in magnitude than the chemically synthesized compounds, which could be attributed to the domination by the strong nonlinear saturation.

Phonons

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Calculating absorption shifts for retinal proteins: Computational challenges

Article Abstract:

The accuracy of computational approaches for modeling changes in absorption energies with respect to changes in geometry and applied external electric fields is investigated. The high sensitivity of absorption energies on the ground-state structure of retinal, which varies significantly with the computational method used for geometry optimization is illustrated.

Electric fields

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Determination of the molecular arrangement inside cyanide dye aggregates by magnetic orientation

Article Abstract:

A novel method for the determination of the internal structure of macromolecular aggregates in solution based on polarized absorption measurements on magnetically aligned aggregates is presented. This method is a valuable tool for structural analysis of molecular assemblies.

Cyanides, Atomic properties

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