Kunping Liu

ORCID: 0000-0001-9490-2889
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About
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Research Areas
  • Electrochemical sensors and biosensors
  • Advanced biosensing and bioanalysis techniques
  • Electrochemical Analysis and Applications
  • Soil Carbon and Nitrogen Dynamics
  • Biosensors and Analytical Detection
  • Gold and Silver Nanoparticles Synthesis and Applications
  • Graphene and Nanomaterials Applications
  • Carbon and Quantum Dots Applications
  • Analytical chemistry methods development
  • Conducting polymers and applications
  • Laser-induced spectroscopy and plasma
  • Advanced Nanomaterials in Catalysis
  • Graphene research and applications
  • Analytical Chemistry and Sensors
  • Wnt/β-catenin signaling in development and cancer
  • Microbial Community Ecology and Physiology
  • Cancer Cells and Metastasis
  • Cancer-related gene regulation
  • Mercury impact and mitigation studies
  • Advanced Photocatalysis Techniques
  • Plasmonic and Surface Plasmon Research
  • Plant Ecology and Soil Science
  • Advanced Sensor Technologies Research
  • Mycorrhizal Fungi and Plant Interactions
  • Genetic factors in colorectal cancer

Chinese Academy of Sciences
2014-2025

Aerospace Information Research Institute
2025

Chengdu University
2013-2024

Institute of Subtropical Agriculture
2018-2023

Zhanjiang Experimental Station
2018-2023

Third Affiliated Hospital of Guangzhou Medical University
2017-2022

Guangzhou Medical University
2015-2022

Ministry of Agriculture and Rural Affairs
2020

Jinan University
2015-2018

Qingzhou City People's Hospital
2016-2018

A green and facile method for the preparation of gelatin functionalized graphene nanosheets (gelatin–GNS) was reported by using as a reducing reagent. Meanwhile, also played an important role reagent to prevent aggregation nanosheets. The obtained biocompatible gelatin–GNS exhibited excellent stability in water various physiological fluids including, cellular growth media well serum which were critical prerequisites biomedicine application graphene. Cellular toxicity test suggested that...

10.1039/c1jm10749f article EN Journal of Materials Chemistry 2011-01-01

Abstract A novel strategy is reported for the fabrication of poly(diallyldimethylammonium chloride) (PDDA)‐protected graphene–CdSe (P‐GR‐CdSe) composites. An advanced electrogenerated chemiluminescence (ECL) immunosensor proposed sensitive detection human IgG (HIgG) by using as‐prepared P‐GR‐CdSe The composite film shows high ECL intensity, good electronic conductivity, fast response, and satisfactory stability, all which holds great promise biosensors with improved sensitivity. After two...

10.1002/adfm.201001550 article EN Advanced Functional Materials 2011-01-19

10.1016/j.colsurfa.2015.03.048 article EN Colloids and Surfaces A Physicochemical and Engineering Aspects 2015-04-05

Aberrant Wnt signaling pathway is associated with a wide array of tumor types and plays an important role in the drug resistance cancer stem cells (CSCs). To explore effects mechanism WNT inhibitor XAV939 on colon cells, SW480 SW620 were treated 5-fluorouracil (5-FU)/cisplatin (DDP) alone or combined XAV939. Cell cycle distribution, apoptosis level percentage CD133+ detected by flow cytometry. The protein expression Axin, β-catenin, EpCAM, TERT DCAMKL-1 was western blotting. upregulated Axin...

10.3892/ijo.2016.3360 article EN cc-by-nc-nd International Journal of Oncology 2016-01-26

The negative environmental impacts of chemical fertilizers have been recognized for a long time, and the returning agricultural residues to soil is considered sustainable practice. However, few studies focused on ecological economic benefits simultaneously. Using 16-year field experiment, we integrally evaluated compared six fertilization practices. treatments included no-fertilizer control, conventional NPK fertilization, partial substitutions in with low (30%) or high (60%) level (straw...

10.1016/j.geoderma.2023.116340 article EN cc-by-nc-nd Geoderma 2023-01-25

For highly sensitive detection of 4-nitrophenol (4-NP) in the environment, a novel pyridine diketopyrrolopyrrole-functionalized graphene oxide (PDPP–GO) composite was constructed for first time by an improved Hummers' method.

10.1039/d2ra07239d article EN cc-by-nc RSC Advances 2023-01-01

A simple, label-free and cost-effective localized surface plasmon resonance (LSPR) immunosensing method was developed for detection of alpha-fetoprotein (AFP).

10.1039/c5ra02910d article EN RSC Advances 2015-01-01

ABSTRACT In this paper, an improved W‐band bandpass filter for the synthetic aperture radar (SAR) system with a center frequency of 96 GHz is designed and implemented. Compared conventional rectangular waveguide resonator filters, two specially oversized cavities are combined in structure to create transmission zeros (TZs), which improves sharp cutoff rate remains simplicity structure. Meanwhile, position each TZ independently controlled by dimensions one specific resonator, makes it easier...

10.1002/mop.70094 article EN Microwave and Optical Technology Letters 2025-01-01

The major application of the laser-induced breakdown spectroscopy (LIBS) technique had been in analysis solid samples because measurement LIBS for liquid experiences some experimental difficulties, such as splashing, a quenching effect, and shorter plasma lifetime. In present work, electrospun ultrafine fibers were explored used first time solid-phase support to quantify chromium (Cr) copper (Cu) aqueous solutions by LIBS. sample was transferred an fiber surface, which could minimize...

10.1039/c3ra47697a article EN RSC Advances 2014-01-01

Phosphatase and tensin homolog (PTEN) is a major tumor suppressor usually silenced via the deletion, insertion mutation. We previously discovered its inactivation aberrant CpG island methylation. Here, we provide further evidence that EBV latent membrane protein 1(LMP1) can induce higher intensity of DNA methylation at PTEN islands, inactivating cellular molecular level. Initially, increased islands was observed in EBV-infected nasopharyngeal carcinoma (NPC) cells, accompanied by decreased...

10.18632/oncotarget.9474 article EN Oncotarget 2016-05-19

A novel, sensitive method based on crosslinked polyvinyl alcohol (PVA) was developed for determining trace-amounts of metallic elements in liquid samples using laser induced breakdown spectroscopy (LIBS).

10.1039/c6ja00177g article EN Journal of Analytical Atomic Spectrometry 2016-01-01

In this study, antibody immobilization using a microwave-induced H2O/Ar plasma pretreatment was achieved for the first time. Plasma used to activate surface of capillary-based immunosensor by increasing density silicon hydroxyls and dangling bonds ensure better silanization. The capture antibodies were covalently immobilized after silanized reacted with glutaraldehyde antibodies. A Cy3-labeled detection in combination antigen captured complete sandwich-type immunoassay, signals measured...

10.1021/ac400226n article EN Analytical Chemistry 2013-04-02

Tumour-associated macrophages (TAMs) play an important role in the growth, progression, and metastasis of tumours. Epithelial-mesenchymal transition (EMT) is a mechanism for tumour invasion metastasis. In this study, we aimed to determine whether TAMs can induce EMT Kazakh oesophageal squamous cell cancer (ESCC).CD163 was used as marker TAMs, density nest surrounding stroma quantified using immunohistochemistry (IHC). IHC staining evaluate expression E-cadherin (epithelial marker) vimentin...

10.1186/s13000-019-0834-0 article EN cc-by Diagnostic Pathology 2019-06-11

Soil organic carbon (SOC), nitrogen (N), and phosphorus (P) are three essential soil nutrients for plant growth, their stoichiometric ratios already important indices of elemental balance the fertility status in ecosystems. The evolution mechanism SOC, Total Nitrogen (TN), Phosphorus (TP), stoichiometry following “conversion cropland to forest program” (CCFP) southwest China is not yet clear. Seven different CCFP restoration models, including Zenia insignis (RD), Toona sinensis (XC),...

10.3390/f13081155 article EN Forests 2022-07-22
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