In recent years visible pump/mid-infrared (IR) probe spectroscopy has established itself as a key technology to unravel structure–function relationships underlying the photo-dynamics of complex molecular systems. In this contribution we review the most important applications of mid-infrared absorption difference spectroscopy with sub-picosecond time-resolution to photosynthetic complexes. Considering several examples, such as energy transfer in photosynthetic antennas and electron transfer in reaction centers and even more intact structures, we show that the acquisition of ultrafast time resolved mid-IR spectra has led to new insights into the photo-dynamics of the considered systems and allows establishing a direct link between dynamics and structure, further strengthened by the possibility of investigating the protein response signal to the energy or electron transfer processes. This article is part of a Special Issue entitled: Vibrational spectroscopies and bioenergetic systems

Ultrafast infrared spectroscopy in proteins / Mariangela Di Donato; Marie Louise Groot. - In: BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS. - ISSN 0005-2728. - STAMPA. - 1847:(2015), pp. 2-11. [10.1016/j.bbabio.2014.06.006]

Ultrafast infrared spectroscopy in proteins

DI DONATO, MARIANGELA;
2015

Abstract

In recent years visible pump/mid-infrared (IR) probe spectroscopy has established itself as a key technology to unravel structure–function relationships underlying the photo-dynamics of complex molecular systems. In this contribution we review the most important applications of mid-infrared absorption difference spectroscopy with sub-picosecond time-resolution to photosynthetic complexes. Considering several examples, such as energy transfer in photosynthetic antennas and electron transfer in reaction centers and even more intact structures, we show that the acquisition of ultrafast time resolved mid-IR spectra has led to new insights into the photo-dynamics of the considered systems and allows establishing a direct link between dynamics and structure, further strengthened by the possibility of investigating the protein response signal to the energy or electron transfer processes. This article is part of a Special Issue entitled: Vibrational spectroscopies and bioenergetic systems
2015
1847
2
11
Mariangela Di Donato; Marie Louise Groot
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/957757
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