Sentences with phrase «insulin fibrils»
Simon Poly, the biologist in the team, explains that «in a mixture of insulin fibrils and few viruses, standard FTIR spectroscopy did not reveal the presence of the alpha - helical viruses.
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«They all exhibit variations of their secondary structure — describes Iban Amenabar, who performed the nanospectroscopy experiments -; viruses and ferritin are mainly made of alpha - helical structures, while insulin fibrils are mainly made of beta - sheet structures.»
In order to demonstrate the versatility of nano - FTIR for nanoscale - resolved protein spectroscopy, the researchers measured infrared spectra of single viruses, ferritin complexes, purple membranes and insulin fibrils.