Chuncheng Wang

Central South University of Forestry and Technology

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Dejun Fan

Harbin Institute of Technology

Chuanwen Luo

Northeast Forestry University

Junjie Wei

Harbin Institute of Technology

Songmei Ma

Shihezi University

Xue‐Zhong He

Xi’an Jiaotong-Liverpool University

Pengli Zhu

University of Science and Technology of China

Bo Wei

Fujian Agriculture and Forestry University

Kai Li

Macquarie University

Shuhao Qian

Zhejiang University

Fangfang Sun

Nanjing University

Cooperative Institutions

Chinese Academy of Sciences

Zhejiang University

Jilin University

Harbin Institute of Technology

Central South University

University of Science and Technology of China

Hebei General Hospital

University of Chinese Academy of Sciences

State Key Laboratory of Modern Optical Instruments

Heilongjiang Institute of Technology

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Mapping physiological and pathological functions of cortical vasculature through aggregation-induced emission nanoprobes assisted quantitative, in vivo NIR-II imaging

Biomaterials Advances (2022)

Jia Meng Zhe Feng Shuhao Qian Chuncheng Wang Xinjian Li

Stroke

Cerebral circulation

10.1016/j.bioadv.2022.212760

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Citations (16)

A Fisher-KPP Model with a Nonlocal Weighted Free Boundary

arXiv (Cornell University) (2021)

Chunxi Feng Mark A. Lewis Chuncheng Wang Hao Wang

In this paper, we propose a novel free boundary problem to model the movement of single species with a range boundary. The spatial movement and birth/death processes of the species are assumed to be governed by the classic Fisher-KPP reaction-diffusion equation, while the change of a free boundary is assumed to be influenced by the weighted total population inside the range boundary, which is described by an integro-differential equation. Our free boundary equation is a generalization of the classical Stefan condition that allows for nonlocal influences on the boundary movement. In this paper we prove that the new model is well posed and possesses steady state. We show that the spreading speed of the model is smaller than that for the equivalent problem with a Stefan condition. This implies that the nonlocal effect of the weighted total population on the boundary movement slows down the spreading speed of the population. While the classical Stefan condition categorizes asymptotic behavior via a spreading-vanishing dichotomy, the new model extends this dichotomy to a spreading-balancing-vanishing trichotomy. Our model allows both expansion and shrinking of the range boundary. When the model is extended to have two free boundaries, we observe asymmetric shifts, as well as steady state within synchronous moving boundaries. These are newly discovered phenomena in free boundary problems of animal movement.

Trichotomy (philosophy)

Stefan problem

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Three-dimensional remodeling of collagen fibers within cervical tissues in pregnancy

Journal of Innovative Optical Health Sciences (2022)

Lingxi Zhou Rushan Jiang Jia Meng Shuhao Qian Shenyi Jiang

The cervix is a collagen-rich connective tissue that must remain closed during pregnancy while undergoing progressive remodeling in preparation for delivery, which begins before the onset of the preterm labor process. Therefore, it is important to resolve the changes of collagen fibers during cervical remodeling for the prevention of preterm labor. Herein, we assessed the spatial organization of collagen fibers in a three-dimensional (3D) context within cervical tissues of mice on day 3, 9, 12, 15 and 18 of gestation. We found that the 3D directional variance, a novel metric of alignment, was higher on day 9 than that on day 3 and then gradually decreased from day 9 to day 18. Compared with two-dimensional (2D) approach, a higher sensitivity was achieved from 3D analysis, highlighting the importance of truly 3D quantification. Moreover, the depth-dependent variation of 3D directional variance was investigated. By combining multiple 3D directional variance-derived metrics, a high level of classification accuracy was acquired in distinguishing different periods of pregnancy. These results demonstrate that 3D directional variance is sensitive to remodeling of collagen fibers within cervical tissues, shedding new light on highly-sensitive, early detection of preterm birth (PTB).

Collagen fiber

10.1142/s1793545822430052

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Citations (2)

Phylogeny and species differentiation of four wild almond species of subgen. <i>Amygdalus</i> in China

Chinese Journal of Plant Ecology (2021)

Chuncheng Wang Zhang Yunling Song-Mei MA Gang Huang Dan Zhang

10.17521/cjpe.2020.0366

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Integrating ATAC-seq and RNA-seq to reveal the dynamics of chromatin accessibility and gene expression in regulating aril coloration of Taxus mairei

Genomics (2025)

Yadan Yan Yafeng Wen Zejun Zhang Jun Zhang Xingtong Wu

RNA-Seq

Aril

10.1016/j.ygeno.2025.111011

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Uniform Degree

SpringerBriefs in applied sciences and technology (2022)

Chuanwen Luo Chuncheng Wang

Degree (music)

Orbit (dynamics)

Polygon (computer graphics)

10.1007/978-981-19-5512-9_1

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Mapping the 3D remodeling of the extracellular matrix in human hypertrophic scar by multi-parametric multiphoton imaging using endogenous contrast

Heliyon (2023)

Shenyi Jiang Shuhao Qian Lingxi Zhou Jia Meng Rushan Jiang

The hypertrophic scar is an aberrant form of wound healing process, whose clinical efficacy is limited by a lack of understanding of its pathophysiology. Remodeling of collagen and elastin fibers in the extracellular matrix (ECM) is closely associated with scar progression. Herein, we perform label-free multiphoton microscopy (MPM) of both fiber components from human skin specimens and propose a multi-fiber metrics (MFM) analysis model for mapping the structural remodeling of the ECM in hypertrophic scars in a highly-sensitive, three-dimensional (3D) manner. We find that both fiber components become wavier and more disorganized in scar tissues, while content accumulation is observed from elastin fibers only. The 3D MFM analysis can effectively distinguish normal and scar tissues with better than 95% in accuracy and 0.999 in the area under the curve value of the receiver operating characteristic curve. Further, unique organizational features with orderly alignment of both fibers are observed in scar-normal adjacent regions, and an optimized combination of features from 3D MFM analysis enables successful identification of all the boundaries. This imaging and analysis system uncovers the 3D architecture of the ECM in hypertrophic scars and exhibits great translational potential for evaluating scars in vivo and identifying individualized treatment targets.

Hypertrophic scars

Matrix (chemical analysis)

10.1016/j.heliyon.2023.e13653

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Citations (4)

Time-Varying Economic Dominance Through Bistable Dynamics

RePEc: Research Papers in Economics (2018)

Xue‐Zhong He Kai Li Chuncheng Wang

By developing a continuous-time heterogeneous agent model of multiassets traded by fundamental and momentum investors, we provide a potential mechanism in generating time-varying dominance between fundamental and nonfundamental in financial market. The deterministic skeleton of the nonlinear model tends to have bistable dynamics, characterized by a Bautin bifurcation, in which a locally stable fundamental steady state coexists with a locally stable limit cycle around the fundamental, leading to two very different market states. Market prices switch stochastically between the two persistent market states, leading to the coexistence of seemingly controversial efficient market and price momentum over different time periods. The model also generates other financial market stylized facts, such as spillover effects in both momentum and volatility, market booms, crashes, and correlation reduction due to cross-sectional momentum trading. Empirical evidence based on US market supports the main findings.

Stylized fact

Momentum (technical analysis)

Econophysics

Dominance (genetics)

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A strategical approach to strengthening of culture in Hebei province

Journal of Hebei Normal University (2009)

Chuncheng Wang

Strengthened culture may ensure the construction of strengthened coastal province.The connotation of construction of strong culture should be consistent with the scientific outlook to the development,and reflects the spirit of Hebei,with three levels of materials,institution and ideology.Corresponding policies will help to achieve the goal of a province with strong culture.

Connotation

Institution

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Correlations of LINC00858 and miR-363-3p Expressions in The Serum with Clinicopathological Characteristics of Liver Cancer Patients

International Journal of Early Childhood Special Education (INT-JECSE) (2020)

Chenhui Ma Junye Wen XiaoYanFan YichaoWang Huaibin Guo

Liver Cancer

10.24205/03276716.2020.813

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