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  1. Article ; Online: Correction to "Controllable Synthesis of a Porous PEI-Functionalized Co

    Rehman, Afrasiab Ur / Fayaz, Muhammad / Lv, He / Liu, Yang / Zhang, Jiawei / Wang, Yang / Du, Lijuan / Wang, Ruihong / Shi, Keying

    ACS omega

    2023  Volume 8, Issue 26, Page(s) 24125–24126

    Abstract: This corrects the article DOI: 10.1021/acsomega.1c05989.]. ...

    Abstract [This corrects the article DOI: 10.1021/acsomega.1c05989.].
    Language English
    Publishing date 2023-06-22
    Publishing country United States
    Document type Published Erratum
    ISSN 2470-1343
    ISSN (online) 2470-1343
    DOI 10.1021/acsomega.3c02938
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: An electrochemical aptasensor based on PEI-C

    He, Baoshan / Wang, Senyao

    Mikrochimica acta

    2021  Volume 188, Issue 1, Page(s) 22

    Abstract: ... nanowire nanocomposite (PEI-C ...

    Abstract An electrochemical aptasensor, including the polyethyleneimine-graphite-like carbon nitride/Au nanowire nanocomposite (PEI-C
    MeSH term(s) Animals ; Aptamers, Nucleotide/chemistry ; Biosensing Techniques/methods ; Chloramphenicol/analysis ; Chloramphenicol/chemistry ; Electrochemical Techniques/methods ; Electrodes ; Exonucleases/chemistry ; Food Contamination/analysis ; Gold/chemistry ; Graphite/chemistry ; Immobilized Nucleic Acids/chemistry ; Limit of Detection ; Milk/chemistry ; Nanowires/chemistry ; Nitrogen Compounds/chemistry ; Polyethyleneimine/chemistry ; Reproducibility of Results ; Water Pollutants, Chemical/analysis ; Water Pollutants, Chemical/chemistry
    Chemical Substances Aptamers, Nucleotide ; Immobilized Nucleic Acids ; Nitrogen Compounds ; Water Pollutants, Chemical ; graphitic carbon nitride ; Chloramphenicol (66974FR9Q1) ; Gold (7440-57-5) ; Graphite (7782-42-5) ; Polyethyleneimine (9002-98-6) ; Exonucleases (EC 3.1.-)
    Language English
    Publishing date 2021-01-06
    Publishing country Austria
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 89-9
    ISSN 1436-5073 ; 0026-3672
    ISSN (online) 1436-5073
    ISSN 0026-3672
    DOI 10.1007/s00604-020-04688-8
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

    Z 56/171: Show issues
    Z 8.1: Show issues

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  3. Article ; Online: Controllable Synthesis of a Porous PEI-Functionalized Co

    Rehman, Afrasiab Ur / Fayaz, Muhammad / Lv, He / Liu, Yang / Zhang, Jiawei / Wang, Yang / Du, Lijuan / Wang, Ruihong / Shi, Keying

    ACS omega

    2022  Volume 7, Issue 7, Page(s) 5870–5882

    Abstract: ... polyethylenimine (PEI)-functionalized Co ...

    Abstract The present study focuses on the strategy of employing an electrochemical sensor with a porous polyethylenimine (PEI)-functionalized Co
    Language English
    Publishing date 2022-02-11
    Publishing country United States
    Document type Journal Article
    ISSN 2470-1343
    ISSN (online) 2470-1343
    DOI 10.1021/acsomega.1c05989
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: An aptasensor for cadmium ions detection based on PEI-MoS

    Li, Mengyang / He, Baoshan / Yan, Haoyang / Xie, Lingling / Cao, Xiaoyu / Jin, Huali / Wei, Min / Ren, Wenjie / Suo, Zhiguang / Xu, Yiwei

    Analytica chimica acta

    2022  Volume 1232, Page(s) 340470

    Abstract: A novel ultrasensitive electrochemical aptasensor was proposed for quantitative detection of ... ...

    Abstract A novel ultrasensitive electrochemical aptasensor was proposed for quantitative detection of Cd
    MeSH term(s) Platinum ; Gold ; Cadmium ; Palladium ; Molybdenum ; Metal Nanoparticles ; Aptamers, Nucleotide ; Electrochemical Techniques/methods ; Biosensing Techniques/methods ; Polyethyleneimine ; DNA, Complementary ; Reproducibility of Results ; Nanocomposites ; Water ; Limit of Detection
    Chemical Substances Platinum (49DFR088MY) ; Gold (7440-57-5) ; Cadmium (00BH33GNGH) ; Palladium (5TWQ1V240M) ; Molybdenum (81AH48963U) ; Aptamers, Nucleotide ; Polyethyleneimine (9002-98-6) ; DNA, Complementary ; Water (059QF0KO0R)
    Language English
    Publishing date 2022-10-05
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 1483436-4
    ISSN 1873-4324 ; 0003-2670
    ISSN (online) 1873-4324
    ISSN 0003-2670
    DOI 10.1016/j.aca.2022.340470
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Correction to "Sandwich-Type Au-PEI/DNA/PEI-Dexa Nanocomplex for Nucleus-Targeted Gene Delivery in Vitro and in Vivo".

    Chen, Zhenzhen / Zhang, Lifen / He, Yuling / Li, Yanfeng

    ACS applied materials & interfaces

    2022  Volume 14, Issue 41, Page(s) 47322

    Language English
    Publishing date 2022-10-07
    Publishing country United States
    Document type Published Erratum
    ISSN 1944-8252
    ISSN (online) 1944-8252
    DOI 10.1021/acsami.2c17152
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: A novel self-enhanced electrochemiluminescent aptamer sensor based on ternary nanocomposite PEI/RuSi-MWCNTs for the detection of profenofos residues in vegetables.

    He, Zhenying / Wang, Haifang / Liu, Wenzheng / Sun, Jiashuai / Huang, Jingcheng / Han, Jie / Li, Baoxin / Xu, Rui / Zhang, Yuhao / Hua, Jin / Guo, Yemin / Lu, Fangyuan / Shi, Ce

    Heliyon

    2024  Volume 10, Issue 3, Page(s) e25167

    Abstract: In this work, a novel ternary nanocomposite of PEI/RuSi-MWCNTs was designed and synthesized ... developed for the detection of profenofos residues in vegetables. The self-enhanced complex PEI-Ru (II ... as an excellent carrier and signal amplification. The PEI/RuSi-MWCNTs were characterized by scanning electron ...

    Abstract In this work, a novel ternary nanocomposite of PEI/RuSi-MWCNTs was designed and synthesized for the first time, which an ultrasensitive and self-enhanced electrochemiluminescent (ECL) aptasensor was developed for the detection of profenofos residues in vegetables. The self-enhanced complex PEI-Ru (II) enhanced the emission and stability of ECL, and the multi-walled carbon nanotubes (MWCNTs) acted as an excellent carrier and signal amplification. The PEI/RuSi-MWCNTs were characterized by scanning electron microscope (SEM), transmission electron microscope (TEM) and energy dispersive spectrometer (EDS). The incorporation of gold nanoparticles (AuNPs) improved the performance of the sensor and provided a platform for the immobilization of the aptamer. The results of the experiment showed that the presence of profenofos significantly suppressed the electrochemiluminescence intensity of the sensor. The detection sensitivity of the aptamer sensor was in the range of 1 × 10
    Language English
    Publishing date 2024-01-26
    Publishing country England
    Document type Journal Article
    ZDB-ID 2835763-2
    ISSN 2405-8440
    ISSN 2405-8440
    DOI 10.1016/j.heliyon.2024.e25167
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: ZIF-8 labelled a new electrochemical aptasensor based on PEI-PrGO/AuNWs for DON detection.

    Wu, Jia / He, Baoshan / Wang, Yuling / Zhao, Renyong / Zhang, Yurong / Bai, Chunqi / Wei, Min / Jin, Huali / Ren, Wenjie / Suo, Zhiguang / Xu, Yiwei

    Talanta

    2023  Volume 267, Page(s) 125257

    Abstract: ... on the polyethyleneimine-functionalised porous reduced graphene oxide loaded gold nanowires (PEI-PrGO/AuNWs) and ... PEI-PrGO/AuNWs with large surface area and excellent conductivity were used as modification materials ...

    Abstract In this work, a novel ultrasensitive aptasensor for deoxynivalenol (DON) detection based on the polyethyleneimine-functionalised porous reduced graphene oxide loaded gold nanowires (PEI-PrGO/AuNWs) and methylene blue (MB)-labelled zeolitic imidazolate framework-8 (ZIF-8) signal amplification strategy was proposed. PEI-PrGO/AuNWs with large surface area and excellent conductivity were used as modification materials on bare gold electrodes, which could increase the combining of complementary strand (cDNA) on the electrode substrate and accelerate the electron transfer efficiency. Furthermore, a novel electrochemical signal probe was synthesized using streptavidin-modified zeolitic imidazolate framework-8 (ZIF-8/SA) as a carrier loaded with MB and reverse complementary chain (sDNA). In the presence of DON, the signal probe was introduced to the electrode surface by Watson-Crick base pairing after specific binding of DON to the aptamer (Apt). As expected, under the optimal conditions, the DON concentration was linearly related to the peak current generated by the prepared aptasensor, and the measured data were combined with theoretical calculations to obtain a detection limit of 2.23 × 10
    MeSH term(s) Aptamers, Nucleotide ; Electrochemical Techniques ; Biosensing Techniques ; DNA, Complementary ; Gold ; Limit of Detection ; Metal Nanoparticles
    Chemical Substances Aptamers, Nucleotide ; DNA, Complementary ; Gold (7440-57-5)
    Language English
    Publishing date 2023-09-30
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 1500969-5
    ISSN 1873-3573 ; 0039-9140
    ISSN (online) 1873-3573
    ISSN 0039-9140
    DOI 10.1016/j.talanta.2023.125257
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Core-satellite nanocomposites via PEI-induced self-assembly for enhanced SERS sensing of thiram and ciprofloxacin

    Jiafeng He / Jumei Li

    Journal of Saudi Chemical Society, Vol 28, Iss 1, Pp 101790- (2024)

    2024  

    Abstract: ... a straightforward method for creating Ag@PEI/Ag core-satellite nanocomposites. Large Ag nanospheres serve ... of polyethyleneimine (PEI). This assembly process generates numerous hot spots not only between two Ag satellites ... but also between the inner Ag core and Ag satellites, thanks to the sub-nm PEI interlayer ...

    Abstract Developing sensitive, reliable, and robust surface-enhanced Raman spectroscopy (SERS) substrates relies heavily on fabricating a substantial number of hot spots. In this study, we present a straightforward method for creating Ag@PEI/Ag core-satellite nanocomposites. Large Ag nanospheres serve as the cores, and smaller Ag nanoparticles are electrostatically assembled around them through the introduction of polyethyleneimine (PEI). This assembly process generates numerous hot spots not only between two Ag satellites but also between the inner Ag core and Ag satellites, thanks to the sub-nm PEI interlayer. The nanocomposites exhibit great potential for SERS analysis, enabling effective sensing of various organic pollutants, such as thiram and ciprofloxacin, using a portable Raman spectrometer. Notably, these nanocomposites obtain an exceptional detection limit of as low as 10−8 M for them, which falls below the safety level set by the United States Environmental Protection Agency. Additionally, the substrates demonstrate excellent uniformity, reproducibility and storing stability. Consequently, the Ag@PEI/Ag core-satellite nanocomposites hold great promise as efficient SERS platforms for reliable and highly sensitive monitoring of food safety and environmental analysis.
    Keywords Surface-enhanced Raman spectroscopy ; Ciprofloxacin ; Thiram ; PEI ; Electrostatic self-assembly ; Chemistry ; QD1-999
    Subject code 500
    Language English
    Publishing date 2024-01-01T00:00:00Z
    Publisher Elsevier
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  9. Article ; Online: Bifunctional Cu(II)-containing PDA-PEI copolymer dots: Demonstration of a dual-mode platform for colorimetric-fluorescent detection of glyphosate in the environment.

    Li, Qing / Guo, Yu-Meng / He, Xiang-Yi / Li, Guang-Li

    Talanta

    2023  Volume 265, Page(s) 124865

    Abstract: ... to food and environmental safety. In this contribution, a PDA-PEI/Cu ...

    Abstract The reliable and accurate detection of glyphosate is urgently demanded because it is related to food and environmental safety. In this contribution, a PDA-PEI/Cu
    MeSH term(s) Colorimetry ; Peroxidases ; Peroxidase ; Fluorescent Dyes/chemistry ; Polyethyleneimine/chemistry ; Glyphosate
    Chemical Substances Peroxidases (EC 1.11.1.-) ; Peroxidase (EC 1.11.1.7) ; Fluorescent Dyes ; Polyethyleneimine (9002-98-6)
    Language English
    Publishing date 2023-06-24
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 1500969-5
    ISSN 1873-3573 ; 0039-9140
    ISSN (online) 1873-3573
    ISSN 0039-9140
    DOI 10.1016/j.talanta.2023.124865
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: A SERS bioassay based on vancomycin-modified PEI-interlayered nanocomposite and aptamer-functionalized SERS tags for synchronous detection of Acinetobacter baumannii and Klebsiella pneumoniae.

    Effah, Clement Yaw / Ding, Lihua / Tan, Longlong / He, Sitian / Li, Xiang / Yuan, Huijie / Li, Yi / Liu, Shaohua / Sun, Tongwen / Wu, Yongjun

    Food chemistry

    2023  Volume 423, Page(s) 136242

    Abstract: Klebsiella pneumoniae (KP) and Acinetobacter baumannii (AB) are two important gram-negative bacteria that cause pneumonia and have been recently known to be associated with food. The rapid detection of these pathogens in food is important to minimize ... ...

    Abstract Klebsiella pneumoniae (KP) and Acinetobacter baumannii (AB) are two important gram-negative bacteria that cause pneumonia and have been recently known to be associated with food. The rapid detection of these pathogens in food is important to minimize their colonization of the gut and stop new threats of the disease from spreading across the food chain. Herein, a double-edged sword aptasensor was developed for the synchronous detection of KP and AB in food and clinical samples. A highly sensitive, selective, specific, and synchronous detection of the target bacteria was achieved, and the limit of detection (LOD) was 10 cells/mL with a liner range of 50 to 10
    MeSH term(s) Acinetobacter baumannii/isolation & purification ; Klebsiella pneumoniae/isolation & purification ; Biological Assay/methods ; Nanocomposites/chemistry ; Vancomycin/chemistry ; Oligonucleotides/chemistry ; Spectrum Analysis, Raman
    Chemical Substances Vancomycin (6Q205EH1VU) ; Oligonucleotides
    Language English
    Publishing date 2023-05-08
    Publishing country England
    Document type Journal Article
    ZDB-ID 243123-3
    ISSN 1873-7072 ; 0308-8146
    ISSN (online) 1873-7072
    ISSN 0308-8146
    DOI 10.1016/j.foodchem.2023.136242
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

    Z 3634: Show issues

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