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German Barcenas

As seen in: MDPI, ACS Publications, Royal Society of Chemistry
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Articles

Site-specific photo-crosslinking in a double crossover DNA tile facilitated by squaraine dye aggregates: advancing thermally stable and uniform DNA nanostructures

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By Shibani Basu, Simon Roy, Mandeep Sharma, German Barcenas
| Royal Society of Chemistry Verified
Site-specific photo-crosslinking in a double crossover DNA tile facilitated by squaraine dye aggregates: advancing thermally stable and uniform DNA nanostructures† We investigated the role of dichloro-squaraine (SQ) dye aggregates in facilitating thymine–thymine interstrand photo-crosslinking within double crossover (DX) tiles, to develop thermally stable and structurally uniform two-dimensional (2D) DNA-based nanostructures.
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Influence of Substituents on the Vectorial Difference Static Dipole Upon Excitation in Synthetic Bacteriochlorins

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By Maia Ketteridge, Devan R. Watt, Katelyn Duncan, German Barcenas
| dx.doi.org
Introduction Click to copy section linkSection link copied! Natural and synthetic organic dyes are molecules capable of absorbing visible and near-infrared light due to their π-conjugated systems. Many such dyes have been observed to aggregate in a variety of systems, including natural photosynthetic antennas (1−3) and synthetic systems such as DNA templated aggregates, (4−8) covalently linked dye molecules, (9,10) as well as concentrated solutions.
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Molecules | Free Full-Text | Effect of Substituent Location on the Relationship between the Transition Dipole Moments, Difference Static Dipole, and Hydrophobicity in Squaraine Dyes for Quantum Information Devices

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By Austin Biaggne, German Barcenas, Maia Ketteridge, Ryan Rau
| MDPI
Abstract : Aggregates of organic dyes that exhibit excitonic coupling have a wide array of applications, including medical imaging, organic photovoltaics, and quantum information devices. The optical properties of a dye monomer, as a basis of dye aggregate, can be modified to strengthen excitonic coupling. Squaraine (SQ) dyes are attractive for those applications due to their strong absorbance peak in the visible range.
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