[HTML][HTML] Pursuing excitonic energy transfer with programmable DNA-based optical breadboards

D Mathur, SA Díaz, N Hildebrandt… - Chemical Society …, 2023 - pubs.rsc.org
DNA nanotechnology has now enabled the self-assembly of almost any prescribed 3-
dimensional nanoscale structure in large numbers and with high fidelity. These structures …

Using transition density models to interpret experimental optical spectra of exciton-coupled cyanine (iCy3)2 dimer probes of local DNA conformations at or near …

D Heussman, L Enkhbaatar, MI Sorour… - Nucleic Acids …, 2024 - academic.oup.com
Exciton-coupled chromophore dimers are an emerging class of optical probes for studies of
site-specific biomolecular interactions. Applying accurate theoretical models for the …

Influence of hydrophobicity on excitonic coupling in DNA-templated indolenine squaraine dye aggregates

OA Mass, CK Wilson, G Barcenas… - The Journal of …, 2022 - ACS Publications
Control over the strength of excitonic coupling in molecular dye aggregates is a substantial
factor for the development of technologies such as light harvesting, optoelectronics, and …

Studies of DNA 'Breathing' by Polarization-Sweep Single-Molecule Fluorescence Microscopy of Exciton-Coupled (iCy3)2 Dimer-Labeled DNA Fork Constructs

J Maurer, CS Albrecht, P Herbert… - The Journal of …, 2023 - ACS Publications
Local fluctuations of the sugar–phosphate backbones and bases of DNA (often called DNA
'breathing') play a variety of critical roles in controlling the functional interactions of the DNA …

Tuning optical absorption and emission using strongly coupled dimers in programmable DNA scaffolds

SM Hart, X Wang, J Guo, M Bathe… - The Journal of …, 2022 - ACS Publications
Molecular materials for light harvesting, computing, and fluorescence imaging require
nanoscale integration of electronically active subunits. Variation in the optical absorption …

Tuning between quenching and energy transfer in DNA-templated heterodimer aggregates

AU Chowdhury, SA Díaz, JS Huff… - The Journal of …, 2022 - ACS Publications
Molecular excitons, which propagate spatially via electronic energy transfer, are central to
numerous applications including light harvesting, organic optoelectronics, and nanoscale …

Exciton delocalization and scaffold stability in bridged nucleotide-substituted, DNA duplex-templated cyanine aggregates

SK Roy, OA Mass, DL Kellis, CK Wilson… - The Journal of …, 2021 - ACS Publications
Molecular excitons play a foundational role in chromophore aggregates found in light-
harvesting systems and offer potential applications in engineered excitonic systems …

Synthesis of substituted Cy5 phosphoramidite derivatives and their incorporation into oligonucleotides using automated DNA synthesis

A Meares, K Susumu, D Mathur, SH Lee, OA Mass… - ACS …, 2022 - ACS Publications
Cyanine dyes represent a family of organic fluorophores with widespread utility in biological-
based applications ranging from real-time PCR probes to protein labeling. One burgeoning …

Tunable electronic structure via DNA-templated heteroaggregates of two distinct cyanine dyes

JS Huff, SA Díaz, MS Barclay… - The Journal of …, 2022 - ACS Publications
Molecular excitons are useful for applications in light harvesting, organic optoelectronics,
and nanoscale computing. Electronic energy transfer (EET) is a process central to the …

Towards control of excitonic coupling in DNA-templated Cy5 aggregates: the principal role of chemical substituent hydrophobicity and steric interactions

SA Díaz, G Pascual, LK Patten, SK Roy, A Meares… - Nanoscale, 2023 - pubs.rsc.org
Understanding and controlling exciton coupling in dye aggregates has become a greater
focus as potential applications such as coherent exciton devices, nanophotonics, and …