Jianjian Xu

ORCID: 0009-0000-0678-537X
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Research Areas
  • Liver physiology and pathology
  • Nanoparticle-Based Drug Delivery
  • Electrospun Nanofibers in Biomedical Applications
  • Organ Transplantation Techniques and Outcomes
  • Advanced Sensor and Energy Harvesting Materials
  • Simulation and Modeling Applications
  • Smart Grid Energy Management
  • MicroRNA in disease regulation
  • Optimal Power Flow Distribution
  • Face and Expression Recognition
  • Advanced Algorithms and Applications
  • Microgrid Control and Optimization
  • Biometric Identification and Security
  • Trace Elements in Health
  • Surface Modification and Superhydrophobicity
  • Remote-Sensing Image Classification
  • Remote Sensing and Land Use
  • Welding Techniques and Residual Stresses
  • Cavitation Phenomena in Pumps
  • Wind Turbine Control Systems
  • HVDC Systems and Fault Protection
  • Spondyloarthritis Studies and Treatments
  • Water resources management and optimization
  • Image and Video Stabilization
  • Agricultural Systems and Practices

Huazhong University of Science and Technology
2022-2024

Linyi University
2024

Shaanxi University of Science and Technology
2024

Zhejiang Energy Group (China)
2019-2023

Shenyang Pharmaceutical University
2023

Weihai Chest Hospital
2022

Xi'an University of Technology
2019-2020

Nanjing Tech University
2016-2019

China Institute of Water Resources and Hydropower Research
2019

Shandong University
2019

To report the presence of normal limbal epithelium detected by in vivo confocal laser scanning microscopy (IVCM) 3 cases clinically diagnosed total stem cell deficiency (LSCD).This is a retrospective case consisting patients who were with LSCD based on clinical examination and/or impression cytology. Clinical data including ocular history, presentation, slit-lamp examination, IVCM, and cytology reviewed.The etiology was chemical burn cases. One patient had 2 failed penetrating...

10.1097/ico.0000000000000914 article EN Cornea 2016-07-04

Traditional manual assessment on weld defect has the shortcomings of troublesome operation and uncertain judgments. This paper presents a method automatic recognition in image based support vector machine (SVM). The firstly preprocesses classifies defects as 6 classes, then 8 features are selected according to characteristics. Secondly, classified by multi-classifier SVM combined with bintree. Finally, we compare classifier multilevel one fuzzy neural network (FNN) using total 84 samples...

10.1109/icmlc.2004.1380463 article EN 2005-02-22

To improve the adsorption selectivity towards hexavalent chromium anion (Cr(VI)), surface Cr(VI)-imprinted polypropylene (PP) fibers were fabricated by plasma-mediated grafting strategy. Hence, a non-thermal Rradio frequency discharge plasma irradiation followed gaseous phase was used to load acrylic acid (AA) onto PP fibers, which afterwards amidated with triethylenetetramine and subjected imprinting Cr(VI) template. The conditions, i.e., gas species, output power, pressure, time, optimized...

10.3390/polym11091508 article EN Polymers 2019-09-16

Metals in the human body represent both environmental exposure and nutritional status. Little is known about miRNA signature relation to circulating metals humans. To characterize metal-associated miRNAs leukocytes, individually collectively as networks. In a panel of 160 Chinese adults, we measured 23 metals/metalloids plasma, sequenced mRNAs leukocytes. We used linear regression model associations between ln-transformed metal concentrations normalized levels adjusting for potential...

10.1016/j.envint.2022.107511 article EN cc-by-nc-nd Environment International 2022-09-08

Oxidative stress is caused by an imbalance between reactive oxygen species and antioxidant levels. Current research suggests that oxidative one of the key factors in development many chronic diseases, it has been a concern for years. Many natural compounds have studied their special free-radical-scavenging properties. The major chemical constituents leaves Diospyros kaki are flavonoids triterpenoids, both which potential antioxidants can prevent damage or nitrogen ameliorate diseases...

10.3390/molecules29010215 article EN cc-by Molecules 2023-12-30

Methotrexate is widely used in chemotherapy for a variety of malignancies. However, severe toxicity, poor pharmacokinetics, and narrow safety margin methotrexate limit its clinical application. The aim this study was to develop sustained-release methotrexate-loaded implants evaluate antitumor activity the after intratumoral implantation.We prepared containing methotrexate, poly(D,L-lactide-co-glycolide), polyethylene glycol 4000 with melt-molding technique. were characterized regards drug...

10.2147/dddt.s143942 article EN cc-by-nc Drug Design Development and Therapy 2017-10-01

ABSTRACT Active macromolecular free radicals were generated on polypropylene (PP) fiber surfaces by argon plasma irradiation, and surface‐modified PP fibers (PP‐g‐St fibers) prepared in situ grafting reaction of styrene monomers (St). The samples characterized Fourier transform infrared, NMR, X‐ray photoelectron spectroscopy, scanning electron microscopy, thermogravimetric analysis. Effects parameters percentage studied, adsorption capacities PP‐g‐St for benzene, toluene, xylene (BTX)...

10.1002/app.46171 article EN Journal of Applied Polymer Science 2018-01-13

Etoposide is widely used in the chemotherapy of a variety malignancies. But strong lipophilicity, poor bioavailability, and severe side effects etoposide limit its clinical application. The aim this study was to develop sustained-release etoposide-loaded implants evaluate antitumor activity after intratumoral implantation. We prepared containing etoposide, poly(L-lactid acid) polyethylene glycol 4000 by direct compression method. were characterized regarding drug-excipient compatibility,...

10.1080/10717544.2017.1321063 article EN cc-by-nc Drug Delivery 2017-01-01

Herein, a paper-based glucose/air biofuel cell (BFC) was constructed and implemented for self-powered pesticide detection. Our developed chip relies on hollow-channel to transport fluids rather than capillarity, which reduces analysis times as well physical absorption. The gold nanoparticles (Au NPs) carbon nanotubes (CNTs) were adapted modify the paper fibers fabricate flexible conductive anode/cathode electrode (Au-PAE/CNT-PCE). Molecularly imprinted polymers (MIPs) using...

10.3390/bios12110974 article EN cc-by Biosensors 2022-11-05

Studies have shown that the performance of multi-objective evolutionary algorithms depends to a large extent on shape Pareto fronts problem. Although, most existing poor applicability in dealing with this problem, especially optimization operation reservoirs unknown fronts. Therefore, paper introduces an algorithm strong versatility and robustness named Multi-Objective Evolutionary Algorithm Reference Point Adaptation (AR-MOEA). In paper, we take two water conservancy hubs (Huangjinxia...

10.3390/w11122644 article EN Water 2019-12-14

Hyperuricemia has been linked to exposure certain metals in cross-sectional studies. However, prospective studies evaluating the associations of multiple metal exposures with incident hyperuricemia are scarce.To prospectively investigate metal/metalloid concentrations as well average annual change uric acid levels a longitudinal cohort.A cohort study included 3957 subjects who were free cardiovascular disease risk factors for at baseline. Incident was ascertained if serum level ≥ 420 μmol/L...

10.1016/j.ecoenv.2023.115312 article EN cc-by-nc-nd Ecotoxicology and Environmental Safety 2023-08-04

Based on pattern recognition theory and Support Vector Machine(SVM) network technology, automatic detection, location, segmentation of license plates characters are discussed in detail. A new method is presented to adopt gray-grads, shape posture, vision model so on. And a multi-sorts classification method—binary exponent proposed. By comparing Least Squares Machines (LS-SVM) with BP neural vehicle classification, Experimental results showed that SVM more convenient, fast nicely judgment,...

10.1109/wcica.2006.1713875 article EN 2006-01-01

In order to solve small sample and overfitting problems as well improve recognition performances, palmprint is studied based on support vector machine (SVM). The kernel function used map nonlinear space onto another high dimension linear space. For this purpose, a new proposed. consists of radial basis functions(RBF) polynomials, so it kind combination function. the preprocessing image, palm region interest cut by using largest inscribed circle approach. Then "eigenpalms" are extracted means...

10.1109/icise.2010.5690945 article EN 2010-12-01

Active macromolecular free radicals were generated on polypropylene (PP) fibers surfaces by argon (Ar) plasma irradiation, then, PP surface modified (PP-g-St fibers) prepared in-situ grafting reaction of styrene monomers (St). Effects parameters percentage studied and adsorption capacities PP-g-St for benzene, toluene xylene (BTX) evaluated. Afterwards, regeneration efficiencies after maximum explored. The results indicated that the optimum input power, irradiation time are 90 W, 3 min h...

10.1088/1755-1315/82/1/012077 article EN IOP Conference Series Earth and Environmental Science 2017-08-01

Dynamic characteristics and sensitivity analysis of a tubular pump unit during starting process are proposed in this paper. A dynamic model the unit, suitable for describing its transient process, is established by using rigid body dynamics, fluid dynamics hydraulic theory. The extended Fourier amplitude test (EFAST) method used to investigate influence parameters on system outputs. Simulation carried out verify explore unit. responses parameter (rotating speed, flow head) revealed start-up...

10.1142/s0217984921501232 article EN Modern Physics Letters B 2020-12-04
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