Rongyan Chen

ORCID: 0000-0002-4849-9889
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Research Areas
  • Renal Diseases and Glomerulopathies
  • Advanced Condensed Matter Physics
  • Magnetic and transport properties of perovskites and related materials
  • Multiferroics and related materials
  • Electronic and Structural Properties of Oxides
  • Physics of Superconductivity and Magnetism
  • Advanced Neural Network Applications
  • Machine Learning and ELM
  • Quantum, superfluid, helium dynamics
  • Digital Imaging for Blood Diseases
  • Visual Attention and Saliency Detection
  • Amyloidosis: Diagnosis, Treatment, Outcomes
  • Magnetic properties of thin films
  • Human Pose and Action Recognition
  • Iron-based superconductors research
  • Rare-earth and actinide compounds
  • Direction-of-Arrival Estimation Techniques
  • Galectins and Cancer Biology
  • Thermal Regulation in Medicine
  • Connective Tissue Growth Factor Research
  • Brain Tumor Detection and Classification
  • Chronic Kidney Disease and Diabetes
  • Cold Atom Physics and Bose-Einstein Condensates
  • Pediatric Urology and Nephrology Studies
  • Functional Brain Connectivity Studies

South China University of Technology
2008-2024

Beijing University of Posts and Telecommunications
2024

Guilin Medical University
2023

Beijing Normal University
2018-2020

Fujian University of Traditional Chinese Medicine
2012-2020

Continental (Germany)
2018-2019

Peking University
2017

Institute of Physics
2012-2013

Chinese Academy of Sciences
2012

Jilin University
2010

The coexistence of large conductivity and robust ferroelectricity is promising for high-performance ferroelectric devices based on polarization-controllable highly efficient carrier transport. Distinct from traditional perovskite ferroelectrics, Bi2 WO6 with a layered structure shows great potential to preserve its under substantial electron doping. Herein, by artificial design photosensitive heterostructures desired band alignment, three orders magnitude enhancement the short-circuit...

10.1002/adma.202003033 article EN Advanced Materials 2020-07-29

Aims: The proposed method falls into the category of medical image processing. Background: Computer-aided automatic analysis systems for and cytometry leukocyte (White Blood Cells, WBCs) in human blood smear images are a powerful diagnostic tool many types diseases, such as anemia, malaria, syphilis, heavy metal poisoning, leukemia. Leukocyte segmentation is basis its analysis, accuracy will directly influence reliability image-based analysis. Objective: This paper aims to present method,...

10.2174/1574893614666190723115832 article EN Current Bioinformatics 2019-07-24

Metamaterials (MMs) have shown huge potential in sensing applications by detecting their optical properties, which can be designed to operate at frequencies from visible mid-IR. Here we constructed complementary split ring resonator (CSRR) based metamaterials nanoscale with unit length of 100 nm and slit width 30 nm, observed obvious responses the waveband 600 900 nm. These show a good tunability structure's geometry, are well suited for dielectric detection. We demonstrated refractive index...

10.1088/0957-4484/23/27/275503 article EN Nanotechnology 2012-06-18

The kagome material CsTi$_3$Bi$_5$, which is isostructural to the extensively studied charge density wave (CDW) compound CsV$_3$Sb$_5$, exhibits intriguing electronic features within its two-dimensional lattices of titanium atoms. Here, we perform optical spectroscopic measurements together with first-principles calculations on single-crystalline CsTi$_3$Bi$_5$ investigate properties comprehensively. It found that overall spectra are very similar those but existence CDW instability ruled out...

10.1103/physrevb.111.075147 preprint EN arXiv (Cornell University) 2024-09-05

The Brillouin scattering spectroscopy studies have been conducted in a diamond anvil cell for liquid mixtures composed of 95 mol % H(2)O and 5 CO(2) under high temperatures pressures. sound velocity, refractive index, density, adiabatic bulk modulus the H(2)O+CO(2) were determined pressures up to freezing point at 293, 453, 575 K. It is found from experiment that velocities mixture are substantially lower than those pure water K, but not temperatures. We presented an empirical relation...

10.1063/1.3495972 article EN The Journal of Chemical Physics 2010-10-21

In universal environment, a patient-friendly inexpensive method is needed to realize the early diagnosis of depression, which believed be an effective way reduce mortality depression. The purpose this study only collect EEG signal from three electrodes Fp1, Fpz and Fp2, then linear nonlinear features used classify depression patients healthy controls. recordings were carried out on group 18 medication-free depressive 25 gender age matched paper, selected include (maximum, mean center values...

10.48550/arxiv.2002.09175 preprint EN other-oa arXiv (Cornell University) 2020-01-01

We present a systematic study of spin and lattice dynamics in the quasi-one-dimensional spiral magnet CuBr2, using Raman scattering conjunction with infrared neutron spectroscopy. Along development correlations upon cooling, we observe rich set broad bands at energies that correspond to phonon-dispersion near one-dimensional magnetic wave vector. The low-energy further exhibit distinct intensity maximum ordering temperature. attribute these unusual observations two possible underlying...

10.1103/physrevb.96.085111 article EN Physical review. B./Physical review. B 2017-08-08

Background: White Blood Cell (WBC) image segmentation plays a key role in cell morphology analysis. However, WBC is still challenging task due to the diversity of WBCs under different staining conditions. Objective: In this paper, we propose novel method based on color component combination and contour fitting segment images accurately. Methods: Specifically, proposed first uses thresholding achieve nucleus segmentation, then prior remove background, extracts initial via Canny edge...

10.2174/1574893614666191017102310 article EN Current Bioinformatics 2019-10-17

Based on the Nyquist sampling theorem, simulation environment is built by using System View to study influence of different frequency, signal frequency and noise recovered signal. The experimental results show that when equal twice cut-off original can be effectively restored without loss. After condition satisfied, further increasing does not significantly improve recovery effect. For noise, level low system lower than anti-noise ability system, distortion-free restoration still achieved...

10.25236/ajets.2024.070310 article EN Academic Journal of Engineering and Technology Science 2024-01-01

10.1007/s11433-013-5346-4 article EN Science China Physics Mechanics and Astronomy 2013-11-15

Utilizing ultrafast time-resolved pump-probe spectroscopy measurements, we investigate the photoinduced quasiparticle dynamics of topological materials LaSbTe and CeSbTe. In LaSbTe, relaxation quasiparticles is dominated by two different mechanisms: electron-phonon coupling, phonon-assisted electron-hole recombination. Significantly, amplitude reflectivity related to former one shows pronounced peaks at 156 K 263 K, indicating occurrence charge density wave (CDW) phase transitions. The...

10.48550/arxiv.2404.11154 preprint EN arXiv (Cornell University) 2024-04-17

10.1109/iscas58744.2024.10558065 article EN 2022 IEEE International Symposium on Circuits and Systems (ISCAS) 2024-05-19

To analyze the association between positive urinary casts on microscopic examination and microprotein concentration in case of negative protein test results. This study also investigated diagnostic value examination.A total 949 samples that were analyzed with a UF-1000i Urine Analyzer returned cast alarm results categorized into two groups, group, according to qualitative sulfosalicylic acid Then, 54 but selected as group; 60 normal people healthy physical control group. Both groups...

10.1002/jcla.23487 article EN cc-by Journal of Clinical Laboratory Analysis 2020-07-19

Abstract Purpose In this study, the role of miR-483-3p in reducing myocardial fibrosis (MF) is investigated and underlying molecular mechanism further explored. Methods Firstly, six SD rats were randomly divided into sham surgery (Sham) group model (ISO) group, high-throughput miRNAs sequencing technology was used to sequence MF rats. Forty male Sham ISO blank transfection (AAV-NC) overexpression (AAV-miR-483-3p) with 10 each group. The established by tail vein injection isoprenaline....

10.21203/rs.3.rs-3267721/v1 preprint EN cc-by Research Square (Research Square) 2023-08-22

Objective To investigate the role of transforming growth factor (TGF)-β1/Smad signaling pathway in glomerular mesangial cell (GMC), and influence angiotensin-converting enzyme inhibitor(ACEI) fosinopril (Fos) on expression phosphorylation-Smad2/3 (P-Smad2/3) collagen Ⅰ(Col Ⅰ) this way. Methods Glomerular cells rat vitro were cultured, they divided into 3 groups: ①TGF-β1 group (TGF-β1 5 ng/mL); ② Fos ng/mL+ 1×10-4 mol/L); ③control (blank). Methyl thiazolyl tetrazolium (MTT)...

10.3877/cma.j.issn.1673-5250.2011.04.005 article EN Chung-Hua Fu Ch'an K'o Tsa Chih 2011-08-01
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