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Articles by Long Yan
Seasonal dynamics of aquatic organic carbon driven by floating-mat formation in a terrestrializing lake
Abstract Lakes are important components of the land carbon cycle, but how floating mats during lake terrestrialization reshape aquatic organic carbon remains unclear. Here we show, using seasonal field observations, carbon isotope tracing, and structural equation modelling, that floating mats reorganize dissolved and particulate organic carbon in a floating wetland system.
Pollution assessment and source analysis of heavy metals and nutrients in sediments of Liujiaxia reservoir, upper Yellow River, China
Abstract To investigate the pollution characteristics, ecological risks, and sources of nutrients and heavy metals in the sediments of the Liujiaxia Reservoir, 21 surface sediment samples were collected in August 2025. Concentrations of total nitrogen (TN), total phosphorus (TP), and eight heavy metals were determined, and pollution levels were evaluated using sediment quality guidelines (SQGs), the improved geo-accumulation index, and the potential ecological risk index.
Graphene‐Copper Heterogeneous Filler With Amino Groups Significantly Improves the Mechanical and Thermal Conductivity of Carbon Fiber‐Reinforced Copoly (Phthalazinone Ether Sulfone Ketone) Composites - Wang - Polymer Composites - Wiley Online Library
DsbA-L safeguards T cell mitochondrial redox homeostasis to restrain Th17 differentiation and colitis
Abstract Pathogenic Th17 accumulation drives intestinal inflammation in inflammatory bowel disease (IBD), yet the metabolic mechanisms directing Th17 polarization remain incompletely understood. Here, we identify the mitochondrial matrix protein DsbA-L serves as a critical, cell-intrinsic metabolic checkpoint for Th17 differentiation and intestinal immune homeostasis.
Multiscale Evaluation of Thermo‐Oxidative Aging Susceptibility of Polyethylene Modified With Antioxidant Functionalized Nano‐TiO2 Particles
Conflicts of Interest The authors declare no conflicts of interest. Data Availability Statement The data that support the findings of this study are available from the corresponding author upon reasonable request. References 1, , , et al., “Fluorinated PEEK and XLPE as Promising Insulation Candidates for the Propulsion System of All-Electric Aircraft,” IEEE Transactions on Dielectrics and Electrical Insulation 29 (2022): 362–369, https://doi.org/10.1109/TDEI.2022.3157899.
Low‐Rank Geostatistical Inversion for Spatiotemporal Heterogeneity of Aquitard Hydraulic Parameters
1 Introduction The spatial heterogeneity of hydrogeological parameters stems from variations in stratigraphic lithology and structure (Marsily et al., 1998). Spatial heterogeneity in subsurface media strongly affects groundwater flow and solute transport (e.g., Chang et al., 2008; Chen and Wagenet, 1995; Geng et al., 2025; Houben et al., 2018; Yin et al., 2023).
Erratum to “Aberrantly High FBXO31 Impairs Oocyte Quality in Premature Ovarian Insufficiency”
在这里添加一些文本 RIS (ProCite, Reference Manager) BibTeX Erratum to “Aberrantly High FBXO31 Impairs Oocyte Quality in Premature Ovarian Insufficiency” Aging and disease ›› 2025, Vol. 17 ›› Issue (6) : 2832-2833. DOI: 10.14336/AD.2025.10817 Erratum to “Aberrantly High FBXO31 Impairs Oocyte Quality in Premature Ovarian Insufficiency” {{javascript:window.custom_author_en_index=0;}} {{article.zuoZhe_EN}} Author information History RIS Export {{article.zuoZheEn_L}}. {{article.title_en}}.
Asymptotic Bifurcation Results for a Coupled Nonlinear Wave System With Strong Damping
Conflicts of Interest The authors declare no conflicts of interest. References 1, , and , “Wave Equations With Strong Damping in Hilbert Spaces,” Journal of Difference Equations 254 (2013): 3352–3368. 2, “Homotopy Invariants Methods in the Global Dynamics of Strongly Damped Wave Equation,” Discrete and Continuous Dynamical Systems 36 (2016): 3227–3250. 3 and , “Hopf-Like Bifurcation in a Wave Equation at a Removable Singularity,” Journal of Difference Equations 369 (2023): 383–404.
Field emission tip effect and field emission performance of micro‐tip arrays fabricated on single‐crystal LaB6
CONFLICT OF INTEREST STATEMENT The authors declare no conflicts of interest. REFERENCES 1, . Field emission energy distribution (FEED). Rev Modern Phys. 1973; 45: 487–548. https://doi.org/10.1103/RevModPhys.45.487 2, , , , . Field emission from carbon nanostructures. Appl Sci. 2018; 8: 526. https://doi.org/10.3390/app8040526 3, , , . Thermionic emission via a nanofluid for direct electrification from low-grade heat energy. Nano Energy. 2018; 49: 172–178. https://doi.org/10.1016/j.nanoen.2018.04.030 4, .
A Combined Landslide Displacement Prediction Model Based on Variational Mode Decomposition and Deep Learning Algorithms
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
An Evaluation Model for the Firefighting and Rescue Capability of Cultural Relic Building Complexes in Forest Areas
1. Introduction Cultural relic buildings are of immense cultural and historical significance, serving to represent the political, economic, artistic, and religious aspects of ancient societies. They are invaluable national heritage sites, which serve to represent the cultural and historical legacy of these societies. As of 2020, the number of cultural relic buildings in China exceeded 260,000.
Stem cell transplantation extends the reproductive life span of naturally aging cynomolgus monkeys - Cell Discovery
Abstract The ovary is crucial for female reproduction and health, as it generates oocytes and secretes sex hormones. Transplantation of mesenchymal stem cells (MSCs) has been shown to alleviate pathological ovarian aging. However, it is unclear whether MSCs could benefit the naturally aging ovary. In this study, we first examined the dynamics of ovarian reserve of Chinese women during perimenopause.
Multi‐component coupling synergistic effect of resourced gold tailings on intumescent flame‐retardant polypropylene
CONFLICT OF INTEREST STATEMENT The authors declare no conflict of interest. REFERENCES 1, , , , . Synergistic effects of intumescent flame retardant and nano-CaCO3 on foamability and flame-retardant property of polypropylene composites foams. J Cell Plast. 2018; 54(3): 615-631. doi:10.1177/0021955X17720157 2, , . Flame retardancy performance of continuous glass-fiber-reinforced polypropylene halogen-free flame-retardant prepreg. Coatings. 2022; 12(7):976. doi:10.3390/COATINGS12070976 3, , , , , .
Study on Valley Shrink Deformation of the High Arch Dam with Large Faults near Dam Area during Initial Impoundment
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
The role of nano‐Fe2O3 crystal structure on the thermal stability, flame retardancy, and smoke suppression of intumescent flame‐retarded epoxy resins
REFERENCES 1, , , . Synthesis of novel calixarene-based intumescent flame retardant and application of flame retardant epoxy resin. J Appl Polym Sci. 2022; 139:e51986. doi:10.1002/app.51986 2, , , , . Combination effect of ADP-intercalated kaolinite and ammonium polyphosphate on simultaneously enhancing the flame retardancy and smoke suppression of epoxy resins. J Vinyl Addit Dent Tech. 2024; 30: 1-12. doi:10.1002/vnl.22091 3, , , , .
Dynamic Non-Invasive Detection of NADH Based on Blood Flow-Mediated Skin Fluorescence (FMSF) Method
1. Introduction The incidence of cardiovascular diseases (including hypertension, myocardial infraction, and stroke) has gradually increased with the changes of diet and lifestyle [1] [2]. Development of methods and tools for diagnosis, treatment, and monitoring of cardiovascular health status, especially priority stressed on the minimally or non-invasive techniques have important significance and value and are highly awaited.
Experimental Study on Mechanical Properties and Permeability Characteristics of Calcareous Mudstone under Different Confining Pressures
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
Facile construction of polypyrrole microencapsulated γ‐Fe2O3 for simultaneously enhancing the flame retardancy and smoke toxicity suppression of intumescent flame‐retardant epoxy resins
CONFLICT OF INTEREST STATEMENT Authors have no conflict of interest to declare. REFERENCES 1, , , , , Mater. Today Commun. 2023, 34, 105213. 2, , , , J. Vinyl Addit.Techn. 2023, 29, 130. 3, , , J. Appl. Polym. Sci. 2022, 139, e53215. 4, , , , , Polym. Adv. Technol. 2020, 31, 3316. 5, , , Polymers 2021, 13, 3221. 6, , , J. Fire Sci. 2009, 27, 465. 7, , , , , J. Therm. Anal. Calorim. 2016, 123, 439. 8, , , , Wood Res-Slovakia 2018, 63, 305. 9, , , , , , , J. Appl. Polym. Sci. 2020, 137, e49148. 10, , , , , , Polym. Eng. Sci.
Oxidized low‐density lipoproteins impair the pro‐atherosclerotic effect of granulocyte‐macrophage‐colony‐stimulating factor‐producing T helper cells on macrophages
CONFLICT OF INTEREST STATEMENT The authors declare no conflict of interest. Supporting Information Filename Description sji13362-sup-0001-AppendixS1.docxWord 2007 document , 2.7 MB Appendix S1. REFERENCES 1, , , , . Cellular mechanisms of human atherogenesis: focus on chronification of inflammation and mitochondrial mutations. Front Pharmacol. 2020; 11: 642. 2, . Immunity and inflammation in atherosclerosis. Circ Res. 2019; 124(2): 315-327. 3, , .
Amplifying Photon Upconversion in Alloyed Nanoparticles for a Near-Infrared Photodetector
Download Hi-Res ImageDownload to MS-PowerPointCite This:Nano Lett. 2024, XXXX, XXX Terms & Conditions Most electronic Supporting Information files are available without a subscription to ACS Web Editions. Such files may be downloaded by article for research use (if there is a public use license linked to the relevant article, that license may permit other uses).
Single-nucleus multi-omic profiling of human placental syncytiotrophoblasts identifies cellular trajectories during pregnancy - Nature Genetics
Abstract The human placenta has a vital role in ensuring a successful pregnancy. Despite the growing body of knowledge about its cellular compositions and functions, there has been limited research on the heterogeneity of the billions of nuclei within the syncytiotrophoblast (STB), a multinucleated entity primarily responsible for placental function.
Combination effect of ADP‐intercalated kaolinite and ammonium polyphosphate on simultaneously enhancing the flame retardancy and smoke suppression of epoxy resins
CONFLICT OF INTEREST STATEMENT Authors have no conflict of interest to declare. REFERENCES 1, , , , , . Recent progress and multifunctional applications of fire-retardant epoxy resins. Mater Today Commun. 2022; 33:104702. doi:10.1016/j.mtcomm.2022.104702 2, , , . Fabrication of diaminodiphenylmethane modified ammonium polyphosphate to remarkably reduce the fire hazard of epoxy resins. Polymers (Basel). 2021; 13(19):3221. doi:10.3390/polym13193221 3, , , et al.
Effect of non-invasive neuromodulation techniques on vascular cognitive impairment: A Bayesian network meta-analysis protocol
VCI is a severe public health problem facing the world today. In addition to pharmacological treatment, non-invasive neuromodulation techniques have also been effective. At this stage, non-invasive neuromodulation techniques combined with pharmacological treatment are the mainstay of clinical treatment, and clinical trials are continuing to be conducted, which is becoming the direction of treatment for VCI.
Cross Relaxation Enables Spatiotemporal Color‐Switchable Upconversion in a Single Sandwich Nanoparticle for Information Security
Conflict of Interest The authors declare no conflict of interest. Supporting Information Filename Description adma202310524-sup-0001-SuppMat.pdf2.5 MB Supporting Information References 1, , , , Nat. Nanotechnol. 2015, 10, 924. 2, , Angew. Chem., Int. Ed. 2011, 50, 5808. 3, , , , , , , , Chem. Rev. 2022, 122, 5519. 4, , , , , Chem. Soc. Rev. 2022, 51, 1729. 5, , Chem. Soc. Rev. 2005, 34, 1048. 6, , , , , , , , , , , , , , , Nature 2017, 543, 229. 7, , , , , , , , , , , , , Nature 2021, 589, 230.
Pumping‐induced Well Hydraulics and Groundwater Budget in a Leaky Aquifer System with Vertical Heterogeneity in Aquitard Hydraulic Properties
References , , and , 2020. Impact of layered heterogeneity on transient saltwater upconing in coastal aquifers. Journal of Hydrology, 581: 124393. , and , 2017. How does layered heterogeneity affect the ability of subsurface dams to clean up coastal aquifers contaminated with seawater intrusion? Journal of Hydrology, 553: 708–721. , and , 2019. Performance of low-enthalpy geothermal systems: Interplay of spatially correlated heterogeneity and well-doublet spacings. Applied Energy, 253: 113569.
Dimension Reduction Method-Based Stochastic Wind Field Simulations for Dynamic Reliability Analysis of Communication Towers
1. Introduction High-rise communication towers, high-rise buildings, and long-span bridges are lifeline engineering that maintains the survival function system of the city and has a significant impact on the national economy and people’s livelihoods. During their servicing period, due to various stochastic disaster effects such as typhoons, earthquakes, etc., the structure will suffer different degrees of damage [1,2].
Efficient Removal of Representative Chemical Agents by Rapid and Sufficient Adsorption via Magnetic Graphene Oxide Composites
3.2. Adsorption of Magnetic Nanomaterials 3.2.1. Effect of Contact Time The extent of adsorption was mainly dependent on the contact time between the adsorbent and the chemical agents. Therefore, experiments were conducted with an optimized contact time ranging from 0 to 20 min. The adsorption rate curves depicted in Figure 10 indicated that both L and VX consistently maintained a high adsorption rate, with minimal change observed over the course of the adsorption time.
Age-associated disparity in phagocytic clearance affects the efficacy of cancer nanotherapeutics - Nature Nanotechnology
Abstract Nanomedicines have been approved to treat multiple human diseases. However, clinical adoption of nanoformulated agents is often hindered by concerns about hepatic uptake and clearance, a process that is not fully understood. Here we show that the antitumour efficacy of cancer nanomedicine exhibits an age-associated disparity.
Preparation of polyethylene glycol/polyacrylamide interpenetrating network hydrogel for simultaneously enhancing the fire protection and aging resistance of fireproof glass
CONFLICT OF INTEREST STATEMENT Authors have no conflict of interest to declare. REFERENCES 1, , , , , , , , J. Mater. Chem. B 2021, 9, 2561. 2, , , , Nat. Rev. Mater. 2020, 5, 20. 3, , , , , , , Polymer 2012, 53, 3719. 4, , , Macromol. Biosci. 2006, 6, 445. 5, , , , , , , Polym. Chem. 2019, 10, 5151. 6, , , , , , , Fuel 2020, 263, 116779. 7, , , Polymers 2021, 13, 3668. 8, , , , Polymers 2022, 14, 2716. 9, , , , , Composites, Part A 2022, 158, 106994. 10, , , Polym. J. 1988, 20, 1101. 11, , Anal. Biochem.
Catalytic Conversion of Levulinic Acid to Pyrrolidone under Mild Conditions with Disordered Mesoporous Silica‐supported Pt catalyst
Supporting Information As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors.
The longitudinal single-cell panorama of cynomolgus monkey ovary throughout lifespan revealed a conserved ovarian clock between primates
Abstract Ovarian function is critical for female fertility and impacts reproductive longevity. It is of great importance to accurately predict the aging process within the ovary for fertility assessment and disease diagnosis. However, cell metrics for evaluating the ovarian aging rate are still in urgent need, and molecular insights into ovarian development and dysfunction during the primate life course are also limited.
Comparative Study of the Suppression Behavior and Fire-Extinguishing Mechanism of Compressed-Gas Aqueous Film-Forming Foam in Diesel Pool Fires
Open AccessArticle by 1, 1, 1, 1, 2 and 1,* 1 Institute of Disaster Prevention Science and Safety Technology, School of Civil Engineering, Central South University, Changsha 410075, China 2 Sany Automobile Manufacturing Co., Ltd., Changsha 410100, China * Author to whom correspondence should be addressed.
Damage Analysis of CFRP Hybrid Bonded-Bolted Joint during Insertion of Interference-Fit Bolt
4.2. Damage Analysis around the Joint Hole This section focuses on the damage and failure mechanisms around the hole, including the sequence in which composite failure occurred, the expansion of composite failure regions, and the influence of interference-fit sizes on failure modes and adhesive layer damage. The failure sequence of the composite laminate around the hole at 1% interference-fit size was analyzed, as shown in Figure 7.
Polymers | Free Full-Text | Facile Synthesis of Reduced-Graphene-Oxide-Modified Ammonium Polyphosphate to Enhance the Flame Retardancy, Smoke Release Suppression, and Mechanical Properties of Epoxy Resin
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Association of residual stenosis after balloon angioplasty with vessel wall geometries in intracranial atherosclerosis
Zhikai Hou1,2, Zhe Zhang2,3, Long Yan1,2, Jidong You1,2, Min Wan1,2, Jia Song1,2, Yuesong Pan2, Ferdinand Hui4, Zhongrong Miao1,2, Xin Lou5, Yongjun Wang2,6, Jing Jing2,3,6, http://orcid.org/0000-0002-4909-7048Ning Ma1,2 1 Department of Interventional Neuroradiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China 2 China National Clinical Research Center for Neurological Diseases, Beijing, China 3 Tiantan Neuroimaging Center of Excellence, Beijing Tiantan Hospital,...
Controlling upconversion in emerging multilayer core-shell nanostructures: from fundamentals to frontier applications
Controlling upconversion in emerging multilayer core–shell nanostructures: from fundamentals to frontier applications Songbin Liu,a Long Yan,a Jinshu Huang,a Qinyuan Zhang *a and Bo Zhou *a Author affiliations * Corresponding authors a State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, and Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices,...
Enzymatic Biosensor Based on One‐step Electrodeposition of Graphene‐gold Nanohybrid Materials and its Sensing Performance for Glucose
Research Article Kunpeng Miao, School of Chemistry and Chemical Engineering, Northwestern Polytechnic University, Xi'an 710129 Shaanxi, China Search for more papers by this author Long Yan, School of Chemistry and Chemical Engineering, Northwestern Polytechnic University, Xi'an 710129 Shaanxi, China Search for more papers by this author Ran Bi, School of Chemistry and Chemical Engineering, Northwestern Polytechnic University, Xi'an 710129 Shaanxi, China Search for more papers by this author...
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