Yanyan Li

ORCID: 0000-0002-6768-6479
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Research Areas
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Advanced Algorithms and Applications
  • Advanced SAR Imaging Techniques
  • Structural Behavior of Reinforced Concrete
  • Radar Systems and Signal Processing
  • Crystallography and molecular interactions
  • Structural Load-Bearing Analysis
  • Advanced Mathematical Modeling in Engineering
  • Matrix Theory and Algorithms
  • Advanced Sensor and Control Systems
  • Nonlinear Partial Differential Equations
  • Simulation and Modeling Applications
  • Civil and Geotechnical Engineering Research
  • Microwave Imaging and Scattering Analysis
  • Nonlinear Waves and Solitons
  • Synthetic Aperture Radar (SAR) Applications and Techniques
  • graph theory and CDMA systems
  • Geomechanics and Mining Engineering
  • Innovative concrete reinforcement materials
  • Advanced Computational Techniques and Applications
  • Space Satellite Systems and Control
  • Fault Detection and Control Systems
  • Structural Response to Dynamic Loads
  • Advanced DC-DC Converters

Ningxia Normal University
2025

Henan Provincial People's Hospital
2024

Zhengzhou University
2024

Hebei University of Technology
2010-2024

Northwest University
2008-2024

Friedrich-Alexander-Universität Erlangen-Nürnberg
2024

Zhengzhou University of Light Industry
2019-2024

Chinese Academy of Medical Sciences & Peking Union Medical College
2020-2024

Beijing Ditan Hospital
2024

Capital Medical University
2024

Polypyrrole nanoparticles conjugating gadolinium chelates were successfully fabricated for dual‐modal magnetic resonance imaging (MRI) and photoacoustic guided photothermal therapy of cancer, from a mixture pyrrole pyrrole‐1‐propanoic acid through facile one‐step aqueous dispersion polymerization, followed by covalent attachment chelate, using polyethylene glycol as linker. The obtained PEGylated poly­pyrrole (Gd‐PEG‐PPy NPs), sized around 70 nm, exhibited high T 1 relaxivity coefficient...

10.1002/adfm.201402338 article EN Advanced Functional Materials 2015-01-28

Lead halide perovskite nanocrystals (NCs) have shown remarkable properties for emission applications, but their toxicity and instability are a hindrance to many commercial uses. Herein, we report the synthesis of lead-free all-inorganic Cs3Cu2X5 (X = I, Br/I, Br, Br/Cl, Cl) colloidal as members metal–metal family materials. These uniform sizes less than 10 nm in diameter show excellent optical properties, including composition-tunable spectra over spectral region 440–530 nm; high...

10.1021/acs.chemmater.0c00280 article EN Chemistry of Materials 2020-06-09

This paper reported a core–shell nanotheranostic agent by growing Prussian blue (PB) nanoshells of 3–6 nm around superparamagnetic Fe3O4 nanocores for targeted photothermal therapy cancer under magnetic resonance imaging (MRI) guidance. Both in vitro and vivo experiments proved that the Fe3O4@PB nanoparticles showed significant contrast enhancement T2-weighted MRI with relaxivity value 58.9 mM–1·s–1. Simultaneously, composite exhibited high effect irradiation near-infrared laser due to...

10.1021/bc500279w article EN Bioconjugate Chemistry 2014-08-09

Abstract Background The programmed cell death‐1/programmed death‐1 ligand ( PD ‐1/ ‐ L 1) pathway plays a crucial role in tumor evasion. This study evaluated the association between circulating ‐L1 expression and clinical characteristics patients with advanced non‐small lung cancer NSCLC ). Methods A total of 109 65 healthy from B eijng C ancer H ospital were enrolled study. Circulating 1 was tested by enzyme‐linked immunosorbent assay. associations level clinicopathologic features prognosis...

10.1111/1759-7714.12247 article EN Thoracic Cancer 2015-03-05

Abstract The COVID‐19 pandemic has taken a significant toll on people worldwide, and there are currently no specific antivirus drugs or vaccines. Herein it is therapeutic based catalase, an antioxidant enzyme that can effectively breakdown hydrogen peroxide minimize the downstream reactive oxygen species, which excessively produced resulting from infection inflammatory process, reported. Catalase assists to regulate production of cytokines, protect oxidative injury, repress replication...

10.1002/adma.202004901 article EN Advanced Materials 2020-09-13

The Cloud is increasingly being used to store and process big data for its tenants classical security mechanisms using encryption are neither sufficiently efficient nor suited the task of protecting in Cloud. In this paper, we present an alternative approach which divides into sequenced parts stores them among multiple storage service providers. Instead itself, proposed scheme protects mapping various elements each provider a trapdoor function. Analysis, comparison simulation prove that...

10.1109/cc.2015.7122469 article EN China Communications 2015-06-01

10.1007/s00526-004-0320-7 article EN Calculus of Variations and Partial Differential Equations 2004-12-22

In this paper, we establish <inline-formula content-type="math/mathml"> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="upper C Superscript k"> <mml:semantics> <mml:msup> <mml:mi>C</mml:mi> <mml:mi>k</mml:mi> </mml:msup> <mml:annotation encoding="application/x-tex">C^k</mml:annotation> </mml:semantics> </mml:math> </inline-formula> estimates for a class of elliptic systems, including linear systems elasticity, in narrow region. The problem arises from studies...

10.1090/s0033-569x-2014-01339-0 article EN publisher-specific-oa Quarterly of Applied Mathematics 2014-06-10

The <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">mobile edge computing</i> (MEC) xmlns:xlink="http://www.w3.org/1999/xlink">heterogeneous network</i> (HetNet) can create a high-performance and low-latency environment for users. However, due to the limitation of xmlns:xlink="http://www.w3.org/1999/xlink">small base stations</i> (SBSs) cache wireless backhaul transmission capacity, how make service caching task offloading decisions reduce...

10.1109/tvt.2024.3354371 article EN IEEE Transactions on Vehicular Technology 2024-01-16

10.1142/s0219455426502317 article EN International Journal of Structural Stability and Dynamics 2025-03-14
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