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Removable dialkoxybenzyl linker for enhanced HPLC purification of peptide hydrazides.
Org Biomol Chem
January 2025
Department of Engineering, Graduate School of Integrated Science and Technology, Shizuoka University, 3-5-1 Johoku, Hamamatsu, Shizuoka 432-8561, Japan.
High-performance liquid chromatography (HPLC) plays a crucial role in purifying peptides and proteins and monitoring their reactions. Peptide hydrazides are widely employed intermediates in modern peptide/protein chemistry. However, they often exhibit peak tailing during HPLC purification and analysis.
View Article and Find Full Text PDFSensitive detection of formaldehyde a luminescent distorted EuL tetrahedral cage.
Chem Commun (Camb)
January 2025
College of Chemistry, Fuzhou University, Fuzhou 350108, People's Republic of China.
A distorted low-symmetry EuL tetrahedral cage was fabricated through the self-assembly of europium ions and -symmetric bowl-shaped ligands containing a phosphangulene core. X-ray crystallography confirmed its unique architecture, featuring significant structural distortion and solvent-accessible coordination sites. This cage showcases exceptional luminescence-based sensitivity for formaldehyde detection compared to other analogs, achieving an impressive detection limit of 19.
View Article and Find Full Text PDFData-driven parametrization of molecular mechanics force fields for expansive chemical space coverage.
Chem Sci
December 2024
ByteDance Research Bellevue Washington 98004 USA
A force field is a critical component in molecular dynamics simulations for computational drug discovery. It must achieve high accuracy within the constraints of molecular mechanics' (MM) limited functional forms, which offers high computational efficiency. With the rapid expansion of synthetically accessible chemical space, traditional look-up table approaches face significant challenges.
View Article and Find Full Text PDFChemical Origins of Optically Addressable Spin States in Eu(PS) and Eu(PSe).
ACS Mater Au
January 2025
Department of Chemistry, Clemson University, Clemson, South Carolina 29634, United States.
Lanthanide materials with a 4f electron configuration (S) offer an exciting system for realizing multiple addressable spin states for qubit design. While the S ground state of 4f free ions displays an isotropic character, breaking degeneracy of this ground state and excited states can be achieved through local symmetry of the lanthanide and the choice of ligands. This makes Eu attractive as it mirrors Gd in exhibiting the S ground state, capable of seven spin-allowed transitions.
View Article and Find Full Text PDFA Low-Symmetry Copper Benzenehexathiol Coordination Polymer with In-Plane Electrical Anisotropy.
Angew Chem Int Ed Engl
January 2025
The University of Hong Kong, Department of Chemistry, Pokfulam Road, 999077, Hong Kong, CHINA.
Electrically conductive coordination polymers (ECCPs), particularly those incorporating benzenehexathiol (BHT) ligands, are emerging as a distinctive class of electronic materials with tunable semiconducting and metallic properties. However, the exploration of novel ECCPs with low-symmetry structures and electrical anisotropy remains under development. Here, we report the on-water surface synthesis of a novel ECCP, namely Cu5BHT, which exhibits a low-symmetry structure and unique in-plane electrical anisotropy that differs from the well-known Cu3BHT phase.
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