Supported by the National Natural Science Foundation of China (approval number: 11974272, 11774281), the team of Professor Ren Xueguang from the School of Physics of Xi’an Jiaotong University and overseas researchers discovered for the first time the Coulomb decay phenomenon between organic biomolecules, in order to understand the structure and dynamics of biological macromolecules.
Intermolecular π-stacking interactions widely exist in biological macromolecular systems, and are key factors that affect and control protein folding, DNA double helix structure, molecular recognition and self-assembly, DNA-drug interactions and other physicochemical properties
The team of Professor Ren Xueguang of the School of Physics of Xi'an Jiaotong University and his collaborators used a multi-particle coincidence momentum imaging spectrometer (response spectrometer) combined with a supersonic biological cold target and pulsed photoelectron source technology to carry out electron beam and benzene dimer collision ionization experiments
This research work has opened up a new way to analyze the structure and dynamics of biological macromolecules and reveal the mechanism of DNA radiation damage.
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