Chemi-and bioluminescence of cyclic peroxides

M Vacher, I Fdez. Galván, BW Ding, S Schramm… - Chemical …, 2018 - ACS Publications
Bioluminescence is a phenomenon that has fascinated mankind for centuries. Today the
phenomenon and its sibling, chemiluminescence, have impacted society with a number of …

Spectrochemistry of firefly bioluminescence

MB Al-Handawi, S Polavaram, A Kurlevskaya… - Chemical …, 2022 - ACS Publications
The chemical reactions underlying the emission of light in fireflies and other bioluminescent
beetles are some of the most thoroughly studied processes by scientists worldwide. Despite …

Unraveling the intrinsic color of chlorophyll

BF Milne, Y Toker, A Rubio… - Angewandte Chemie …, 2015 - Wiley Online Library
The exact color of light absorbed by chlorophyll (Chl) pigments, the light‐harvesters in
photosynthesis, is tuned by the protein microenvironment, but without knowledge of the …

Extending the perturbed matrix method beyond the dipolar approximation: comparison of different levels of theory

L Zanetti-Polzi, S Del Galdo, I Daidone… - Physical Chemistry …, 2018 - pubs.rsc.org
Some years ago we developed a theoretical–computational hybrid quantum/classical
methodology, the Perturbed Matrix Method (PMM), to be used in conjunction with molecular …

The elusive relationship between structure and colour emission in beetle luciferases

C Carrasco-Lopez, NM Lui, S Schramm… - Nature Reviews …, 2021 - nature.com
In beetles, luciferase enzymes catalyse the conversion of chemical energy into light through
bioluminescence. The principles of this process have become a fundamental …

Cryogenic Absorption and Emission Spectroscopy of the Oxyluciferin Anion In Vacuo

J Langeland, NF Christensen, E Vogt… - The Journal of …, 2023 - ACS Publications
Bioluminescence from fireflies, click beetles, and railroad worms ranges in color from green-
yellow to orange to red. The keto form of oxyluciferin is considered a key emitter species in …

Anion photoelectron spectroscopy of protein chromophores

A Henley, HH Fielding - International Reviews in Physical …, 2019 - Taylor & Francis
Photoactive proteins that efficiently and selectively transfer light energy into a physical
response are ubiquitous in nature. The small molecule chromophores that lie at the heart of …

What exactly is the light emitter of a firefly?

YY Cheng, YJ Liu - Journal of Chemical Theory and Computation, 2015 - ACS Publications
Firefly bioluminescence attracts people by its glaring beauty and fascinating applications,
but what is the light emitter of a firefly? The answer to this question has been explored since …

Excited-state dynamics of oxyluciferin in firefly luciferase

JJ Snellenburg, SP Laptenok, RJ DeSa… - Journal of the …, 2016 - ACS Publications
The color variations of light emitted by some natural and mutant luciferases are normally
attributed to collective factors referred to as microenvironment effects; however, the exact …

Theoretical modeling of the absorption spectrum of aqueous riboflavin

L Zanetti-Polzi, M Aschi, I Daidone, A Amadei - Chemical Physics Letters, 2017 - Elsevier
In this study we report the modeling of the absorption spectrum of riboflavin in water using a
hybrid quantum/classical mechanical approach, the MD-PMM methodology. By means of …