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UID:6aafda3fa95f8
DTSTART:20250226T140000Z
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TRANSP:OPAQUE
DTEND:20250226T150000Z
LOCATION:Seminar Room
SUMMARY:ICFO | SARA HERNÁNDEZ MEJIAS
CLASS:PUBLIC
DESCRIPTION:In natural photosynthesis\, light energy is transferred through
  a dynamic protein-pigment network with remarkably high quantum efficiency
 . Local fluctuations in protein structure and conformational changes play 
 a crucial role in shaping the chromophore&rsquo\;s energy landscape for ef
 ficient light harvesting. However\, the precise mechanistic role of these 
 conformational changes remains unclear due to the complexity of natural ph
 otosystems\, making them difficult to control. Photoactive biohybrids&mdas
 h\;synthetic systems that incorporate the key components of natural photos
 ystems\, such as proteins and chromophores&mdash\;offer a promising approa
 ch for applying these natural principles in man-made technologies. However
 \, designing these biohybrids presents significant challenges\, particular
 ly in controlling the protein-chromophore interaction network\, which unpr
 edictably affects the electronic and conformational states of the chromoph
 ores. In our lab\, we have developed biohybrids based on optimized de novo
  proteins with well-defined cavities and flexible conformational states. T
 his design enables precise tuning of the biohybrid&rsquo\;s response throu
 gh single-point mutations. Our biohybrids provide a powerful platform for 
 studying the fundamental role of protein amino acids in chromophore relaxa
 tion\, offering new insights for bio-inspired nanotechnology and photonics
 .
DTSTAMP:20260920T130607Z
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