A5109721051- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Energetic Materials and Combustion
- Thermal and Kinetic Analysis
- Topological Materials and Phenomena
- Chemical Synthesis and Reactions
- Gut microbiota and health
- Rocket and propulsion systems research
- Oxidative Organic Chemistry Reactions
- Boron and Carbon Nanomaterials Research
- Quantum Mechanics and Non-Hermitian Physics
- Graphene research and applications
- RNA modifications and cancer
- Quantum and electron transport phenomena
- Gastric Cancer Management and Outcomes
- RNA and protein synthesis mechanisms
- Fullerene Chemistry and Applications
- Combustion and Detonation Processes
- Gastrointestinal disorders and treatments
- Nonlinear Waves and Solitons
- Crystallography and molecular interactions
- Quantum chaos and dynamical systems
- 2D Materials and Applications
- Physics of Superconductivity and Magnetism
- Synthesis of Tetrazole Derivatives
Nanjing University of Science and Technology
2014-2025
Southwest Jiaotong University
2022-2025
Anhui Provincial Hospital
2024-2025
Anhui Medical University
2025
University of Science and Technology of China
2025
Beijing Academy of Quantum Information Sciences
2020-2024
Nanjing University of Aeronautics and Astronautics
2024
Northeast Electric Power University
2024
Beihang University
2024
Tangshan People's Hospital
2024
Pentazole (HN5), an unstable molecular ring comprising five nitrogen atoms, has been of great interest to researchers for the better part a century. We report synthesis and characterization pentazolate anion stabilized in (N5)6(H3O)3(NH4)4Cl salt. The was generated by direct cleavage C-N bond multisubstituted arylpentazole using m-chloroperbenzoic acid ferrous bisglycinate. structure confirmed single-crystal x-ray diffraction analysis, which highlighted stabilization cyclo-N5- chloride,...
Skin effect, where macroscopically many bulk states are aggregated toward the system boundary, is one of most important and distinguishing phenomena in non-Hermitian quantum systems. We discuss a new aspect this effect whereby, despite its topological origin, applying magnetic field can largely suppress it. pushed back into bulk, skin area, which we define, sharply reduced. As seen from exact solutions representative models, fundamentally rooted fact that applied restores validity low-energy...
Abstract Background m6A modification is currently recognized as a major driver of RNA function that maintains cancer cell homeostasis. Long non-coding (Lnc) RNAs control proliferation and play an important role in the occurrence progression colorectal (CRC). ZCCHC4 newly discovered methyltransferase whose mechanism tumors have not yet been elucidated. Methods The EpiQuik methylation kit was used to detect level total six types digestive tract tumors. Kaplan-Meier method receiver operating...
Abstract Van der Waals magnets have emerged as a fertile ground for the exploration of highly tunable spin physics and spin-related technology. Two-dimensional (2D) magnons in van are collective excitation spins under strong confinement. Although considerable progress has been made understanding 2D magnons, crucial magnon device called valve, which signal can be completely repeatedly turned on off electrically, yet to realized. Here we demonstrate such valves based antiferromagnetic...
A library of energetic materials synthesized from 3-amino-4-cyanofurazan has been disclosed, in which compound 7 is a unique example an with fluorescence, opens the door for many new applications.
The antibiotic thiostrepton, a thiazole-containing peptide, inhibits translation and ribosomal GTPase activity by binding directly to limited highly conserved region of the large subunit RNA termed center. We have previously used filter assay examine protein L11 set fragments encompassing Escherichia coli center sequence. show here that thiostrepton same can also be detected in assay. Binding is relatively independent monovalent salt concentration temperature but requires minimum Mg2+ about...
The quantum anomalous Hall effect (QAHE) is a phenomenon in which two-dimensional system exhibits quantized resistance $h/e^2$ the absence of magnetic field, where $h$ Planck constant and $e$ electron charge. In this work, we extend novel phase to three dimensions thus propose three-dimensional QAHE exhibiting richer more versatile transport behaviors. We first confirm through Chern number, then establish its bulk-boundary correspondence, finally reaffirm it via distinctive properties....
To explore the impact of different substituents (R) in 4-R-1,5-diaminotetrazolium cations on performance their pentazolate salts, five types salts with groups were designed: -H, -OH, -NH2, -NH-NH2, and -N3. Quantum chemical methods employed to deeply study interionic interactions detonation properties these salts. Among ionic compounds, 1,5-diamino-4-hydroxytetrazolium ([DAT-OH+] [N5-]) system exhibited lowest interaction energy highest stability, while 1,5-diamino-1H-1,2,3,4-tetrazolium...
The prognosis of patients with hepatocellular carcinoma (HCC) following radical resection remains suboptimal. This study aimed to create a nomogram integrating clinicopathological parameters and coagulation indices predict the recurrence-free survival (RFS) these individuals. A total 863 after were included (504 in training cohort, 216 internal verification cohort 142 external cohort). Cox regression analysis was used determine independent risk factors it construct prognostic nomogram....
A 58 nucleotide RNA derived from a highly conserved domain of the large subunit ribosomal (Escherichia coli 1051 to 1108) has set tertiary interactions that is stabilized by NH+4 and Mg2+ in preference other ions. We have mapped nucleotides contributing this structure examining thermal denaturation 25 sequence variants. Where necessary compensatory mutations were made preserve phylogenetically secondary structure. Substitutions bases or base-pairs at eight positions specifically eliminate...
Quantum chemistry calculations and thermodynamics methods were carried out to screen novel high energy density materials (HEDMs) from several new derivatives with dicyclic structures of Cyclotrimethylene trinitramine (RDX). Their volumes, densities, heats formation, detonation properties impact sensitivities have been calculated under DFT B3LYP 6-31++g (d, p) level all these compounds exhibit good performance as HEDMs. Especially, R4 has given outstanding values a potential HEDM. Its crystal...
A series of polynitro-substituted 5,6-dihydrodiimidazo[1,2-a:2′,1′-c]pyrazine energetic compounds were synthesized by cyclization and nitration biimidazole. All newly fully characterized infrared spectroscopy, 1H 13C nuclear magnetic resonance elemental analysis. Single-crystal X-ray diffraction, iso-chemical shielding surfaces, localized orbital locator-π, Hirshfeld surface analysis, noncovalent interactions employed to investigate the structures 1–6. It is worth mentioning that 3–6 are all...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSpecific ammonium ion requirement for functional ribosomal RNA tertiary structureYun Xing Wang, Ming Lu, and David E. DraperCite this: Biochemistry 1993, 32, 46, 12279–12282Publication Date (Print):November 1, 1993Publication History Published online1 May 2002Published inissue 1 November 1993https://pubs.acs.org/doi/10.1021/bi00097a002https://doi.org/10.1021/bi00097a002research-articleACS PublicationsRequest reuse permissionsArticle...
Microscopic black holes are sensitive to higher-dimension operators in the gravitational action. We compute influence of these on Schwarzschild solution using perturbation theory. All (time-reversal-invariant) dimension six included (dimension-four do not alter solution). Corrections relation between Hawking temperature and hole mass found. The entropy is calculated Gibbons-Hawking prescription for Euclidean path integral naive thermodynamic reasoning. These two methods agree; however, equal...
We have studied the magnetic characteristics of critical states Y-Ba-Cu-O and Eu-Ba-Cu-O high-${T}_{c}$ superconductors. Magnetization data at various temperatures revealed a very large hysteresis. The highly irreversible behavior was found to exist both in bulk samples well-isolated particles. These effects are consistent with existence pinning forces caused by structural defects these materials. By analyzing hysteretic magnetization data, current density ${J}_{c}$ as function external...
We show that Floquet engineering with circularly polarized light (CPL) can selectively split the valley degeneracy of a twisted multilayer graphene (TMG), and thus generate controlled valley-polarized Chern flat band tunable large number. It offers feasible optical way to manipulate degree freedom in moir\'{e} bands, hence opens new opportunities study valleytronics mori\'{e} systems. expect many valley-related properties TMG, e.g. orbital ferromagnetism, be switched by CPL proper doping....
We study the characterization of non-Hermitian skin effect (NHSE) in systems with on-site disorder. extend application generalized-Brillouin-zone (GBZ) theory to these systems. By proposing a modified GBZ theory, we give faithfully description NHSE. For applications, obtain unified $\beta$ for system long-range hopping, and explain conventional-GBZ irrelevance magnetic suppression NHSE previous study.
A magnetically separable catalyst was synthesized via a carbodiimide activation process with β-cyclodextrin functionalized by core-shell nanoparticles (Fe3O4/SiO2/CM-β-CD). The presented high activity for selective oxidation of various alcohols NaOCl as oxidant and water only the solvent. substrate-selective transition metal-free achieved easy separation catalyst.