Stimulated Emission from Rhodamine 6G Aggregates Self-Assembled on Amyloid Protein Fibrils
Artikel i vetenskaplig tidskrift, 2015

Amyloid fibrils are excellent bioderived nanotemplates for controlling molecular and optical properties of small molecules such as organic dyes. Here we demonstrate that two representative fibril-forming proteins, lysozyme and insulin, from the amyloids family can determine the optical signature of rhodamine 6G. Their structural variety leads to a unique molecular arrangement of dye aggregates on the biotemplate surface. This significantly influences the light amplification threshold as well as the stimulated emission profiles, which show remarkable broadband wavelength tunability. We show in addition that amyloid fibrils can be potentially used in constructing broadband emission biolasers.

laser dye

amyloid fibrils

lysozyme and insulin proteins

biomaterial

molecular crowding

random lasing

stimulated emission

rhodamine 6G

nanotemplates

biolaser

Författare

Piotr Hanczyc

Chalmers, Kemi och kemiteknik, Kemi och biokemi, Fysikalisk kemi

L. Sznitko

C. J. Zhong

A.J. Heeger

ACS Photonics

2330-4022 (eISSN)

Vol. 2 12 1755-1762

Styrkeområden

Nanovetenskap och nanoteknik

Livsvetenskaper och teknik

Materialvetenskap

Ämneskategorier

Fysikalisk kemi

Atom- och molekylfysik och optik

Materialkemi

Biofysik

Organisk kemi

DOI

10.1021/acsphotonics.5b00458