Urea-aromatic interactions in biology

S Raghunathan, T Jaganade, UD Priyakumar - Biophysical Reviews, 2020 - Springer
Noncovalent interactions are key determinants in both chemical and biological processes.
Among such processes, the hydrophobic interactions play an eminent role in folding of …

Role of urea–aromatic stacking interactions in stabilizing the aromatic residues of the protein in urea-induced denatured state

S Goyal, A Chattopadhyay, K Kasavajhala… - Journal of the …, 2017 - ACS Publications
A delicate balance of different types of intramolecular interactions makes the folded states of
proteins marginally more stable than the unfolded states. Experiments use thermal …

Synthesis of graphitic carbon nitride with large specific surface area via copolymerizing with nucleobases for photocatalytic hydrogen generation

Y Wang, S Zhao, Y Zhang, W Chen, S Yuan… - Applied Surface …, 2019 - Elsevier
Sponge-like porous carbon nitrides with large specific surface area are prepared by a green
and facile synthesis method using melamine and biological reagent nucleobases (adenine …

Cation‐induced stabilization and denaturation of DNA origami nanostructures in urea and guanidinium chloride

S Ramakrishnan, G Krainer, G Grundmeier, M Schlierf… - Small, 2017 - Wiley Online Library
The stability of DNA origami nanostructures under various environmental conditions
constitutes an important issue in numerous applications, including drug delivery, molecular …

Effect of temperature perturbation on hydrogen bonding in aqueous solutions of different urea concentrations

NN Mafy, T Afrin, MM Rahman, MYA Mollah… - Rsc Advances, 2015 - pubs.rsc.org
Water absorption peaks in near-infrared (NIR) and attenuated total reflectance (ATR)-Fourier
transform infrared (FTIR) spectra at different temperatures both in the absence and presence …

Cascarinoids A–C, a Class of Diterpenoid Alkaloids with Unpredicted Conformations from Croton cascarilloides

XH Gao, YS Xu, YY Fan, LS Gan, JP Zuo, JM Yue - Organic letters, 2018 - ACS Publications
Cascarinoids A–C (1–3), a new class of diterpenoid alkaloids with unpredicted
conformations, were isolated and structurally characterized from Croton cascarilloides. It …

Urea mimics nucleobases by preserving the helical integrity of B-DNA duplexes via hydrogen bonding and stacking interactions

G Suresh, S Padhi, I Patil, UD Priyakumar - Biochemistry, 2016 - ACS Publications
Urea lesions are formed in DNA because of free radical damage of the thymine base, and
their occurrence in DNA blocks DNA polymerases, which has deleterious consequences …

Alteration of the groove width of DNA induced by the multimodal hydrogen bonding of denaturants with DNA bases in its grooves affects their stability

S Sarkar, PC Singh - Biochimica et Biophysica Acta (BBA)-General …, 2020 - Elsevier
Background Denaturants, namely, urea and guanidinium chloride (GdmCl) affect the stability
as well as structure of DNA. Critical assessment of the role of hydrogen bonding of these …

An efficient synthesis of nitrile, tetrazole and urea from carbonyl compounds

R Sribalan, A Sangili, G Banuppriya… - New Journal of …, 2017 - pubs.rsc.org
An efficient conversion of carbonyl compounds (aldehydes and ketones) to nitrile, tetrazole,
and urea was developed with the use of a POCl3 and sodium azide mixture using a …

BioProtIS: Streamlining protein-ligand interaction pipeline for analysis in genomic and transcriptomic exploration

GS Virgens, J Oliveira, MIO Cardoso… - Journal of Molecular …, 2024 - Elsevier
The identification of protein-ligand interactions plays a pivotal role in elucidating biological
processes and discovering potential bioproducts. Harnessing the capabilities of …