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Articles by Z. Sun
Comparison of the Structure of Advanced Organic Electrode Materials, TAPT and “TAQ”, by Multinuclear NMR and Stability Analysis Click to copy article link Article link copied!
Introduction Click to copy section linkSection link copied! Lithium-ion batteries are notable for their rechargeability, high energy per mass relative to other battery types, a relatively long cycle life, moderate to good thermal stability, and good power capability. (1,2) These properties can be tuned by choosing different materials for the positive electrode.
A hybrid experimental-numerical framework for prestressed concrete bridge model validation and sensor placement optimization: a case study
Abstract Conducting numerical modal validations of operational bridges are vital for their structural health monitoring (SHM). This type of validation fully depends on the accurate assessment of the dynamic characteristics of bridges. Accordingly, the arrangement and placement of sensors to measure vibration data also play a crucial role in ensuring the effective capturing of both global and localised dynamic behaviours.
Identification of Potassium‐Rich Faience From Spring and Autumn Period Cemeteries in Shaan'xi Province, China
Supporting Information Filename Description arcm70037-sup-0001-TableS1.docWord document, 24.5 KB Table S1: XRF Results for 5 of the samples surface (Wt%) arcm70037-sup-0002-Fig.S1.tifTIFF image, 4.5 MB Figure S1: Total alkali contents vs the ratio of soda to potash showing all individual analyses on several samples with abundant glass phases arcm70037-sup-0003-Fig.S2.tifTIFF image, 333.2 KB Figure S2: Binary scatter plot of the contents of K2O-MgO in the faience samples...
Current-driven nonequilibrium electrodynamics in graphene revealed by nano-infrared imaging - Nature Communications
Abstract Electrons in low-dimensional materials driven out of equilibrium by a strong electric field exhibit intriguing effects that have direct analogues in high-energy physics. In this work we demonstrate that two of these effects can be observed in graphene, leading to relevant implications for light-matter interactions at the nanoscale.
Synthesis of the ACDE tetracyclic skeleton in ceforalide B
Benzenoid cephanolide norditerpenoids are an important class of Cephalotaxus diterpenoids [1a] isolated from Cephalotaxaceae plants [1], which have demonstrated a diverse range of biological activities, including plant growth inhibition, as well as antineoplastic, antiviral, and antitumor properties [2]. These structurally diverse natural products have received considerable attention from the synthetic community since their first isolation.
Induced electro-Fenton triggers trace iron utilization for simultaneous organic phosphorous degradation and phosphate recovery
Phosphorus (P) is an essential element for all life and plays a central role in agricultural and industrial development [1]. However, as a finite and nonrenewable resource, P cannot be manufactured and can only be extracted from phosphate rocks. The crisis of phosphorus scarcity is predicted to occur in the next 50–100 years with an annual growing demand of 3 % [2], [3].
Ab initio computations of strongly deformed nuclei near $^{80}\mathrm{Zr}$
Nuclei around are strongly deformed and exhibit coexistence of shapes. These phenomena have challenged nuclear models. Here, we perform ab initio coupled-cluster computations of low-lying collective states and electromagnetic quadrupole transitions of the even-even nuclei , and starting from chiral nucleon-nucleon and three-nucleon forces.
Plasmons in the Kagome metal CsV3Sb5 - Nature Communications
Abstract Plasmon polaritons, or plasmons, are coupled oscillations of electrons and electromagnetic fields that can confine the latter into deeply subwavelength scales, enabling novel polaritonic devices. While plasmons have been extensively studied in normal metals or semimetals, they remain largely unexplored in correlated materials. In this paper, we report infrared (IR) nano-imaging of thin flakes of CsV3Sb5, a prototypical layered Kagome metal.
Valorization of humins into furanyl functionalized biochar for selective hydrogenation of five-member rings of furan compounds
Introduction The utilization of bio-based compounds as sustainable alternatives to fossil-based chemicals has great potential [1] due to their wide range of applications [2], [3], cost-effectiveness, and environment friendly characteristics [4], [5], [6], [7], [8]. However, the production of humins through biomass derivatives conversion is generally unavoidable and accounts for a 10–50 % carbon loss of the total biomass feedstocks [9], [10], [11].
Composite aerogel incorporating low temperature phase change microcapsules for enhanced thermal insulation
In light of the logistical challenges brought about by staff shortages due to the epidemic and the increasing environmental concerns, the pressing need to minimize the wastage of reagents or materials during transportation and enhance their efficiency has become more pronounced.
Entanglement entropy of nuclear systems
We study entanglement entropies between the single-particle states of the hole space and its complement in nuclear systems. Analytical results based on the coupled-cluster method show that entanglement entropies are proportional to the particle number fluctuation and the depletion number of the hole space for sufficiently weak interactions. General arguments also suggest that the entanglement entropy in nuclear systems fulfills a volume instead of an area law.
Knowledge graph-based mapping and recommendation to automate life cycle assessment
Green circular economy [1] and the goal of carbon neutrality [2] have become important worldwide strategies. This can be attributed to the intensification of environmental problems, which pose significant challenges to global sustainable development. As a result, more national or regional initiatives have been adopted to alleviate environmental problems.
Coupled-cluster theory for strong entanglement in nuclei
Abstract Atomic nuclei can exhibit shape coexistence and multireference physics that enters in their ground states, and accurately capturing the ensuing correlations and entanglement is challenging. We address this problem by applying single-reference coupled-cluster theory based on spherical and deformed reference states and the tailored coupled-cluster method. The latter combines configuration interactions to capture static correlations with coupled-cluster theory for dynamic correlations.
Inhibition of NF-κB ameliorates aberrant retinal glia activation and inflammatory responses in streptozotocin-induced diabetic rats.
Annals of Translational Medicine, Mar 2023 This is a preview of a remote PDF: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10061458/pdf/ X. Ding, Z. Sun, Y. Guo, W. Tang, Q. Shu, G. Xu. , Annals of Translational Medicine, 2023, pp. 197, Volume 11, Issue 5, DOI: 10.21037/atm-22-2204
How to renormalize coupled cluster theory
Abstract Coupled cluster theory is an attractive tool to solve the quantum many-body problem because its singles and doubles (CCSD) approximation is computationally affordable and yields about 90% of the correlation energy. Capturing the remaining 10%, e.g., via including triples, is numerically expensive.
Fizeau drag in graphene plasmonics
Abstract Dragging of light by moving media was predicted by Fresnel1 and verified by Fizeau’s celebrated experiments2 with flowing water. This momentous discovery is among the experimental cornerstones of Einstein’s special relativity theory and is well understood3,4 in the context of relativistic kinematics. By contrast, experiments on dragging photons by an electron flow in solids are riddled with inconsistencies and have so far eluded agreement with the theory5,6,7.
Direct observation of sixfold exotic fermions in the pyrite-structured topological semimetal ${\mathrm{PdSb}}_{2}$
Abstract Pyrite-structured PdSb2 with the nonsymmorphic crystalline symmetry, has long been predicted to host sixfold-degenerate exotic fermions beyond Dirac and Weyl. Although magnetotransport measurements on PdSb2 have suggested its topologically nontrivial character, the direct spectroscopic evidence still remains absent.
RETRACTION: Long Non‐Coding RNA FEZF1‐AS1 Induced Progression of Ovarian Cancer via Regulating miR‐130a‐5p/SOX4 Axis
RETRACTION: Z. Sun, S. Gao, L. Xuan, and X. Liu, “ Long Non-Coding RNA FEZF1-AS1 Induced Progression of Ovarian Cancer via Regulating miR-130a-5p/SOX4 Axis,” Journal of Cellular and Molecular Medicine 24, no. 7 (2020): 4275–4285. https://doi.org/10.1111/jcmm.15088. The above article, published online on 05 March 2020 in Wiley Online Library (wileyonlinelibrary.com), has been retracted by agreement between the journal Editor-in-Chief, Stefan Constantinescu; and John Wiley & Sons Ltd.
Olmsted syndrome with alopecia universalis caused by heterozygous mutation in PERP - Dai - - British Journal of Dermatology - Wiley Online Library
Research Letter Olmsted syndrome with alopecia universalis caused by heterozygous mutation in PERP S. Dai Department of Dermatology, Peking University First Hospital, Beijing, China Beijing Key Laboratory of Molecular Diagnosis on Dermatoses, Beijing, China These authors contributed equally to this work. Search for more papers by this author Y.
Systematic review of endovascular intervention and surgery for common femoral artery atherosclerotic disease
The full text of this article hosted at iucr.org is unavailable due to technical difficulties. Systematic review Systematic review of endovascular intervention and surgery for common femoral artery atherosclerotic disease X.
Rapid transition from continental breakup to igneous oceanic crust in the South China Sea
H.C.L. was co-principal investigator (co-PI) for the original drilling proposal and interpretation of seismic data, co-chief scientist of expeditions 367/368, and directed the writing of the paper. G.M. is principal co-author, developed the geodynamic model jointly with H.C.L. and M.N. and was a shipboard scientist (structural geology) at expedition 368.
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Magnetic iron oxide nanoparticles as T1 contrast agents for magnetic resonance imaging
Ultrasmall Iron oxide nanoparticles have recently attracted much attention as T (positive) contrast agents for magnetic resonance imaging to serve as safer alternatives to gadolinium-based T contrast agents. This review will discuss several key aspects regarding this newly developed contrast agent, including synthetic strategies, parameters affecting T signal (e.g., size, surface, and environment), and emerging applications.
Development and validation of LC-MS/MS methods for the quantification of 101BHG-D01, a novel, long-acting and selective muscarinic receptor antagonist, and its main metabolite M6 in human plasma, urine and feces: Application to a clinical study in healthy
2.5. Method validation The analytical methods were fully validated according to FDA Bioanalytical Method Validation Guidance for Industry [16] and relevant literature [17], [18]. The method validation was conducted as follows. The selectivity was evaluated by analyzing blank biological matrices (plasma, urine and feces) from six different sources.
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