Ke Ren

ORCID: 0009-0004-0572-9578
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About
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Research Areas
  • Photonic and Optical Devices
  • 3D Shape Modeling and Analysis
  • Advanced Fiber Laser Technologies
  • 2D Materials and Applications
  • MXene and MAX Phase Materials
  • Computer Graphics and Visualization Techniques
  • Perovskite Materials and Applications
  • 3D Surveying and Cultural Heritage
  • CCD and CMOS Imaging Sensors
  • Analytical chemistry methods development
  • Inflammation biomarkers and pathways
  • Semiconductor Lasers and Optical Devices
  • Inflammasome and immune disorders
  • Laser-induced spectroscopy and plasma
  • Advancements in Photolithography Techniques
  • Advanced Glycation End Products research
  • Nonlinear Optical Materials Studies
  • Plasmonic and Surface Plasmon Research
  • Viral Infections and Vectors
  • Nanofabrication and Lithography Techniques
  • Advanced Nanomaterials in Catalysis
  • Advanced Photonic Communication Systems
  • Optical Network Technologies
  • Mercury impact and mitigation studies
  • Advanced Optical Network Technologies

Ministry of Education of the People's Republic of China
2025

Shandong University
2024-2025

University of Electronic Science and Technology of China
2016-2024

Harbin Engineering University
2023

University of Science and Technology of China
2014

PLA Army Engineering University
2014

Background: In sepsis, the lungs are one of most severely affected organs, usually resulting in acute lung injury (ALI). Capsaicin (CAP) is a natural compound found chili peppers that has pain-relieving and anti-inflammatory properties. Here, we report nanoparticles containing capsaicin iron (Fe-CAP NPs) exhibited effects treatment ALI. Methods: The morphological characteristics nanozymes were detected. RAW 264.7 cells divided into four groups: control, lipopolysaccharide (LPS), CAP+LPS...

10.2147/ijn.s436271 article EN cc-by-nc International Journal of Nanomedicine 2024-01-01

Sepsis is a severe syndrome of organ dysfunction that often leads to cardiac and endangers life. The role mitochondrial aldehyde dehydrogenase 2 (ALDH2) in LPS-induced myocardial injury unclear. purpose this study was assess the ALDH2 lipopolysaccharide (LPS)-induced regulatory mechanism identify potential therapeutic strategies for treating condition.An vivo model established by 12 h LPS (10 mg/kg, intraperitoneal injection) stimulation, an vitro generated stimulating H9C2 cells with μg/ml)...

10.1186/s10020-023-00769-5 article EN cc-by Molecular Medicine 2023-12-20

This study enhances the ultrafast photonics application of tin selenide (SnSe) nanoflakes via copper (Cu) functionalization to overcome challenges such as low conductivity and weak near-infrared (NIR) absorption. Cu concentration, induces strain, reduces bandgap through Sn substitution vacancy filling with ions. Demonstrated by density functional theory calculations experimental analyses, Cu-functionalized SnSe exhibits improved NIR optical absorption superior third-order nonlinear...

10.1002/advs.202401218 article EN cc-by Advanced Science 2024-07-24

Toxic metals such as lead and chromium in aqueous solutions have been analyzed simultaneously by laser-induced breakdown spectroscopy (LIBS), which the ordinary printing paper is used a liquid absorber was immerged into Pb(NO3)2 Cr(NO3)3 solution to enrich heavy metals. This method overcomes drawbacks of splashing low sensitivity LIBS analysis water, laser beam directly focused on surface. A good signal intensity reproducibility has demonstrated. The Pb 405.78 nm Cr 427.48 spectral lines are...

10.1088/1009-0630/16/7/09 article EN Plasma Science and Technology 2014-07-01

Abstract Transition metal carbo‐chalcogenides (TMCCs), a novel class of 2D materials, combining the distinctive properties transition dichalcogenides (TMDs) and MXenes, eliciting considerable interest for their excellent across various fields. However, TMCCs' optical potential in ultrafast photonics remain unexplored. This study investigates Nb 2 CSe , developed TMCC, which exhibits superior robust environmental stability. Density functional theory calculations reveal solid near‐infrared...

10.1002/adom.202402385 article EN Advanced Optical Materials 2024-11-29

We design a polymer-waveguide asymmetric Y-junction for (de)multiplexing LP01 and LP11a modes. Our fabricated device shows the optimal demultiplexed crosstalk of −22.2 dB at 1560 nm 10-dB bandwidth ~40 nm.

10.1364/acpc.2016.af1g.5 article EN Asia Communications and Photonics Conference 2021 2016-01-01

Surface lattice resonances (SLRs) with ultra-narrow linewidth (high quality factor) can enhance light–matter interactions at the nanoscale and modulate propagating light from emission wavelength direction to efficiency by photonic band engineering. Therefore, SLRs serve as an excited candidate and, more importantly, amplified spontaneous (ASE) optical parameters. Here, this work presents a system of two-dimensional Ag-coated Al nanocone array (Ag-NCA) packaged Nile red, normal ASE 15-fold...

10.1364/prj.503656 article EN Photonics Research 2023-10-19

POE (Power Over Ethernet) realizes the multiplexing of power transmission and data transmission. To ensure safety supply process, PD (Powered Device), when connected, must be detected by PSE Sourcing Equipment). This article describes methods detection especially in symmetrical architecture. The architecture means that are connected either them can play a role or PD. In our new approach, signature resistance is replaced capacitance. connection changes capacitance load system, so step...

10.4028/www.scientific.net/amr.936.2196 article EN Advanced materials research 2014-06-01

A novel continuously tunable optoelectronic oscillator (OEO) is proposed, in which ring resonator RF filter used. Tunable range about 40MHz and the frequency tuning can be realized by OTDL resonator.

10.1364/acpc.2014.ath3a.43 article EN Asia Communications and Photonics Conference 2021 2014-01-01

Point cloud completion has got increasingly attention recently. Its task is to predict a complete point from partial one, which plays vital role in three-dimension technology. In order better obtain the multi-level local information of and combine with global for analysis, we proposed novel Generative Adversarial Network(GAN) completion, called Multi-Resolution Relation-Aware GAN(MRRA-GAN). We designed Key Points Generator(MKPG) uses multi-resolution as input construct key points, Cloud Tree...

10.1109/icme55011.2023.00350 article EN 2022 IEEE International Conference on Multimedia and Expo (ICME) 2023-07-01

Point cloud completion has become a popular research area in 3D computer vision. It aims to recover the complete point from its partial observation. However, previous methods either directly predict whole shape, change original distribution of points, or have limited performance reconstructing tiny and detailed object components. In this paper, we propose novel Patch-based Dual-Path Network (PDP-Net) for completion, which leverages advantages different encoder architectures, with one path...

10.1109/icme52920.2022.9859918 article EN 2022 IEEE International Conference on Multimedia and Expo (ICME) 2022-07-18
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