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RESEARCH INTEREST

"I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the seashore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me."

 

 

 

- Isaac Newton -

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   Our lab is interested in:

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  • designing beta-sheet nanofibrils with atomic precision to account for well defined mesoscopic structures (e.g., nanotubes and nanoribbons) that can be used for biomedical applications.

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  • controlling the formation of beta-sheet nanofibrils by manipulating pathways of formation with small drugs/compounds.

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Even at low concentration, amyloid proteins related to Alzheimer have been found to be toxic disrupting synapses and causing memory loss. Our lab is interested in understanding:

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  • the biophysical mechanisms of toxicity of amyloid proteins. In particular, how they damage the cell membrane of neurons by forming pores that mimics the ones of antimicrobial peptides.

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  • the amino acid code that encodes for the ability of amyloid proteins to form pore-like structures.

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  • the conditions that favor membrane damage by amyloid proteins. 

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  • The three-dimensional structure of a protein accounts for its function in living systems. We want to understand and predict how small molecules alter the structure of proteins when added to a solution. We are particularly interested in small molecules related to diseases.

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  • What makes some molecules to favor the functional state of proteins when added to water while other favor the unfolded state?

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  • How to design molecules that can interfere with the hydrogen bond network of water to promote or inhibit cage-like, i.e., clathrate, formation? 

Toxicity of amyloid proteins.

Protein self-assembly
   into amyloid fibrils

Effects of small molecules on protein conformations.

Water structure in natural gases and proteins.

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