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  • Wiley  (44)
  • English  (44)
  • 1
    Online Resource
    Online Resource
    Herbivore grazing mitigates the negative effects of nitrogen deposition on soil organic carbon in low‐diversity grassland
    Wiley ; 2022
    In:  Journal of Applied Ecology Vol. 59, No. 2 ( 2022-02), p. 483-491
    Details
    In: Journal of Applied Ecology, Wiley, Vol. 59, No. 2 ( 2022-02), p. 483-491
    Abstract: Changes in soil carbon (C) sequestration in grassland ecosystems have important impacts on the global C cycle. As such, it is important that researchers better understand the underlying mechanisms affecting soil C. Increasing evidence has shown that atmospheric nitrogen (N) deposition can cause dramatic changes in grassland soil C. It remains unclear whether herbivore grazing, a primary means to manage and utilize grassland resources, can regulate the effects of N deposition on soil C, and whether these effects are dependent on plant community diversity. Here, we examined the joint effects of herbivore grazing and N‐addition on soil organic C (SOC) stocks in two types of communities with low and high plant diversity respectively. Our results showed that the effects of N‐addition and its combination with herbivore grazing on grassland SOC were inconsistent in the two types of communities. In the low‐diversity community, N‐addition greatly decreased SOC stocks, while grazing significantly increased it. Additionally, the grazing‐induced increase in soil C stocks in the presence of N‐addition was so great that it completely counteracted the significant decline in SOC induced by N‐addition. However, in the high‐diversity community, we observed no effects of N‐addition on SOC and grazing increased SOC only in the absence of N‐addition and had no significant effect in the presence of N‐addition. Synthesis and applications . Our study suggests that increased N deposition can trigger a remarkable reduction in soil C sequestration in grasslands with low plant diversity, but that herbivore grazing can offset this decline, which may help to mitigate greenhouse gas emissions caused by atmospheric N deposition. As a result, we suggest that moderate herbivore grazing should be considered as an effective grassland management measure for maintaining and improving grassland soil C sequestration as the increasing global changes such as elevated atmospheric carbon dioxide, N deposition and biodiversity losses threat.
    Type of Medium: Online Resource
    ISSN: 0021-8901 , 1365-2664
    URL: Issue
    URL: Article
    DOI: 10.1111/jpe.v59.2
    DOI: 10.1111/1365-2664.14066
    Language: English
    Publisher: Wiley
    Publication Date: 2022
    detail.hit.zdb_id: 2020408-5
    detail.hit.zdb_id: 410405-5
    SSG: 12
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  • 2
    Online Resource
    Online Resource
    Superior Hydrogen Evolution Reaction Performance in 2H‐MoS 2 to that of 1T Phase
    Wiley ; 2019
    In:  Small Vol. 15, No. 31 ( 2019-08)
    Details
    In: Small, Wiley, Vol. 15, No. 31 ( 2019-08)
    Abstract: In the hydrogen evolution reaction (HER), energy‐level matching is a prerequisite for excellent electrocatalytic activity. Conventional strategies such as chemical doping and the incorporation of defects underscore the complicated process of controlling the doping species and the defect concentration, which obstructs the understanding of the function of band structure in HER catalysis. Accordingly, 2H‐MoS 2 and 1T‐MoS 2 are used to create electrocatalytic nanodevices to address the function of band structure in HER catalysis. Interestingly, it is found that the 2H‐MoS 2 with modulated Fermi level under the application of a vertical electric field exhibits excellent electrocatalytic activity (as evidenced by an overpotential of 74 mV at 10 mA cm −2 and a Tafel slope of 99 mV per decade), which is superior to 1T‐MoS 2 . This unexpected excellent HER performance is ascribed to the fact that electrons are injected into the conduction band under the condition of back‐gate voltage, which leads to the increased Fermi level of 2H‐MoS 2 and a shorter Debye screen length. Hence, the required energy to drive electrons from the electrocatalyst surface to reactant will decrease, which activates the 2H‐MoS 2 thermodynamically.
    Type of Medium: Online Resource
    ISSN: 1613-6810 , 1613-6829
    URL: Issue
    URL: Article
    DOI: 10.1002/smll.v15.31
    DOI: 10.1002/smll.201900964
    Language: English
    Publisher: Wiley
    Publication Date: 2019
    detail.hit.zdb_id: 2168935-0
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  • 3
    Online Resource
    Online Resource
    FBXW7 induces apoptosis in glioblastoma cells by regulating HDAC7
    Wiley ; 2021
    In:  Cell Biology International Vol. 45, No. 10 ( 2021-10), p. 2150-2158
    Details
    In: Cell Biology International, Wiley, Vol. 45, No. 10 ( 2021-10), p. 2150-2158
    Abstract: Glioblastoma is an aggressive type of brain cancer with an extremely poor prognosis. Additionally, the F‐box WD repeat‐containing protein 7 (FBXW7) is a component of the ubiquitin‐proteasome system that has been widely implicated in human cancers. In this study, we investigated the role and mechanism of FBXW7 in glioblastoma. FBXW7 expression was analyzed in normal and glioblastoma tissue samples using The Cancer Genome Atlas Glioblastoma Multiforme (TCGA‐GBM) database. Then, quantitative reverse transcription‐polymerase chain reaction (RT‐PCR) was used to examine mRNA expression, whereas, western blot analysis was conducted to determine protein levels of the samples. Furthermore, cell apoptosis was assessed using the Annexin V staining method, followed by flow cytometry analysis. Immunoprecipitation (IP) assay was conducted as well to test protein–protein interactions. Lastly, protein expression in tissues was examined by conducting immunohistochemistry (IHC). Results showed that the glioblastoma tissue samples displayed an FBXW7 downregulation compared with normal tissues. In vitro, the overexpression of FBXW7 in glioblastoma cells induced apoptosis, whereas, its knockdown displayed the opposite effect. Mechanistically, FBXW7 interacted with HDAC7 to promote HDAC7 ubiquitination, however, the overexpression of HDAC7 in glioblastoma cells blocked FBXW7‐induced apoptosis. Finally, FBXW7 and HDAC7 displayed an inverse correlation in glioblastoma tissues in vivo. Therefore, our data demonstrated an important function of FBXW7 in promoting glioblastoma apoptosis by interacting with HDAC7 and promoting HDAC7 ubiquitination.
    Type of Medium: Online Resource
    ISSN: 1065-6995 , 1095-8355
    URL: Issue
    URL: Article
    DOI: 10.1002/cbin.v45.10
    DOI: 10.1002/cbin.11668
    Language: English
    Publisher: Wiley
    Publication Date: 2021
    detail.hit.zdb_id: 1462519-2
    SSG: 12
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  • 4
    Online Resource
    Online Resource
    Polyphenol‐Sensitized Atomic Layer Deposition for Membrane Interface Hydrophilization
    Wiley ; 2020
    In:  Advanced Functional Materials Vol. 30, No. 15 ( 2020-04)
    Details
    In: Advanced Functional Materials, Wiley, Vol. 30, No. 15 ( 2020-04)
    Abstract: Improvements in energy–water systems will necessitate fabrication of high‐performance separation membranes. To this end, interface engineering is a powerful tool for tailoring properties, and atomic layer deposition (ALD) has recently emerged as a promising and versatile approach. However, most non‐polar polymeric membranes are not amenable to ALD processing due to the absence of nucleation sites. Here, a sensitization strategy for ALD‐coating is presented, illustrated by membrane interface hydrophilization. Facile dip‐coating with polyphenols effectively sensitizes hydrophobic polymer membranes to TiO 2 ALD coating. Tannic acid‐sensitized ALD‐coated membranes exhibit outstanding underwater crude oil repulsion and rigorous mechanical stability through bending and rinsing tests. As a result, these membranes demonstrate outstanding crude oil‐in‐water separation and reusability compared to untreated membranes or those treated with ALD without polyphenol pretreatment. A possible polyphenol‐sensitized ALD mechanism is proposed involving initial island nucleation followed by film intergrowth. This polyphenol sensitization strategy enriches the functionalization toolbox in material science, interface engineering, and environmental science.
    Type of Medium: Online Resource
    ISSN: 1616-301X , 1616-3028
    URL: Issue
    URL: Article
    DOI: 10.1002/adfm.v30.15
    DOI: 10.1002/adfm.201910062
    Language: English
    Publisher: Wiley
    Publication Date: 2020
    detail.hit.zdb_id: 2029061-5
    detail.hit.zdb_id: 2039420-2
    SSG: 11
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  • 5
    Online Resource
    Online Resource
    Frenkel Defect‐modulated Anti‐thermal Quenching Luminescence in Lanthanide‐doped Sc 2 (WO 4 ) 3
    Wiley ; 2023
    In:  Angewandte Chemie Vol. 135, No. 27 ( 2023-07-03)
    Details
    In: Angewandte Chemie, Wiley, Vol. 135, No. 27 ( 2023-07-03)
    Abstract: Although large amount of effort has been invested in combating thermal quenching that severely degrades the performance of luminescent materials particularly at high temperatures, not much affirmative progress has been realized. Herein, we demonstrate that the Frenkel defect formed via controlled annealing of Sc 2 (WO 4 ) 3 :Ln (Ln=Yb, Er, Eu, Tb, Sm), can work as energy reservoir and back‐transfer the stored excitation energy to Ln 3+ upon heating. Therefore, except routine anti‐thermal quenching, thermally enhanced 415‐fold downshifting and 405‐fold upconversion luminescence are even obtained in Sc 2 (WO 4 ) 3 :Yb/Er, which has set a record of both the Yb 3+ ‐Er 3+ energy transfer efficiency ( 〉 85 %) and the working temperature at 500 and 1073 K, respectively. Moreover, this design strategy is extendable to other hosts possessing Frenkel defect, and modulation of which directly determines whether enhanced or decreased luminescence can be obtained. This discovery has paved new avenues to reliable generation of high‐temperature luminescence.
    Type of Medium: Online Resource
    ISSN: 0044-8249 , 1521-3757
    URL: Issue
    URL: Article
    DOI: 10.1002/ange.v135.27
    DOI: 10.1002/ange.202303482
    RVK:
    VA 2100
    RVK:
    VN 5020
    Language: English
    Publisher: Wiley
    Publication Date: 2023
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    detail.hit.zdb_id: 506609-8
    detail.hit.zdb_id: 514305-6
    detail.hit.zdb_id: 505872-7
    detail.hit.zdb_id: 1479266-7
    detail.hit.zdb_id: 505867-3
    detail.hit.zdb_id: 506259-7
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  • 6
    Online Resource
    Online Resource
    A Facile and General Approach to Recoverable High‐Strain Multishape Shape Memory Polymers
    Wiley ; 2018
    In:  Macromolecular Rapid Communications Vol. 39, No. 6 ( 2018-03)
    Details
    In: Macromolecular Rapid Communications, Wiley, Vol. 39, No. 6 ( 2018-03)
    Abstract: Fabricating a single polymer network with no need to design complex structures to achieve an ideal combination of tunable high‐strain multiple‐shape memory effects and highly recoverable shape memory property is a great challenge for the real applications of advanced shape memory devices. Here, a facile and general approach to recoverable high‐strain multishape shape memory polymers is presented via a random copolymerization of acrylate monomers and a chain‐extended multiblock copolymer crosslinker. As‐prepared shape memory networks show a large width at the half‐peak height of the glass transition, far wider than current classical multishape shape memory polymers. A combination of tunable high‐strain multishape memory effect and as high as 1000% recoverable strain in a single chemical‐crosslinking network can be obtained. To the best of our knowledge, this is the first thermosetting material with a combination of highly recoverable strain and tunable high‐strain multiple‐shape memory effects.
    Type of Medium: Online Resource
    ISSN: 1022-1336 , 1521-3927
    URL: Issue
    URL: Article
    DOI: 10.1002/marc.v39.6
    DOI: 10.1002/marc.201700613
    Language: English
    Publisher: Wiley
    Publication Date: 2018
    detail.hit.zdb_id: 1475027-2
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  • 7
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    Online Resource
    Controlled Fabrication of Uniform Hollow Bowl‐Shaped Microspheres Based on Polyphosphazene Material
    Wiley ; 2012
    In:  Macromolecular Chemistry and Physics Vol. 213, No. 24 ( 2012-12-21), p. 2606-2610
    Details
    In: Macromolecular Chemistry and Physics, Wiley, Vol. 213, No. 24 ( 2012-12-21), p. 2606-2610
    Abstract: Micro or nanoparticles with hollow interiors are receiving immense attention owing to their unique hollow structure and wide application potential. A novel hollow bowl‐shaped microsphere based on a polyphosphazene material is successfully fabricated for the first time by a facile solvent‐treatment process. Based on SEM and TEM observations, the obtained particle is proven to be uniform with a shell thickness of about 120 nm, and a tentative formation mechanism is suggested. By combination of the unique bowl‐shaped structure, uniform microsize, and the superior properties of the hybrid polyphosphazene material, the products are envisioned to have promising applications in microreactors to fabricate functional composite particles, in catalysis, or the biomedical domain.
    Type of Medium: Online Resource
    ISSN: 1022-1352 , 1521-3935
    URL: Issue
    URL: Article
    DOI: 10.1002/macp.v213.24
    DOI: 10.1002/macp.201200441
    RVK:
    VA 5810
    Language: English
    Publisher: Wiley
    Publication Date: 2012
    detail.hit.zdb_id: 1475026-0
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  • 8
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    Online Resource
    Reprocessable and Self‐Healing Shape Memory Epoxy Resin Based on Biphenyl Mesogen and Siloxane
    Wiley ; 2021
    In:  Macromolecular Chemistry and Physics Vol. 222, No. 23 ( 2021-12)
    Details
    In: Macromolecular Chemistry and Physics, Wiley, Vol. 222, No. 23 ( 2021-12)
    Abstract: Shape memory epoxy resin has a high potential for applications in various fields such as space deployable structures and actuators. In order to meet the requirements of application and extend the materials' service life, it is highly desirable to develop a shape memory epoxy resin with good properties of shape memory, reprocessing, and self‐healing. In this work, a shape memory epoxy resin based on the orientable biphenyl mesogen and the dynamic siloxane is fabricated successfully via anion ring‐opening polymerization. The resulting epoxy resin exhibits excellent shape memory performance, good reprocessing ability, good self‐healing property, and triple shape memory effect (triple‐SME).
    Type of Medium: Online Resource
    ISSN: 1022-1352 , 1521-3935
    URL: Issue
    URL: Article
    DOI: 10.1002/macp.v222.23
    DOI: 10.1002/macp.202100290
    RVK:
    VA 5810
    Language: English
    Publisher: Wiley
    Publication Date: 2021
    detail.hit.zdb_id: 1475026-0
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  • 9
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    Online Resource
    Field Effect Enhanced Hydrogen Evolution Reaction of MoS 2 Nanosheets
    Wiley ; 2017
    In:  Advanced Materials Vol. 29, No. 7 ( 2017-02)
    Details
    In: Advanced Materials, Wiley, Vol. 29, No. 7 ( 2017-02)
    Type of Medium: Online Resource
    ISSN: 0935-9648 , 1521-4095
    URL: Issue
    URL: Article
    DOI: 10.1002/adma.v29.7
    DOI: 10.1002/adma.201604464
    RVK:
    UA 1538
    Language: English
    Publisher: Wiley
    Publication Date: 2017
    detail.hit.zdb_id: 1474949-X
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  • 10
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    Online Resource
    Isoindigo‐Based Dual‐Acceptor Conjugated Polymers Incorporated Conjugation Length and Intramolecular Charge Transfer for High‐Efficient Photothermal Conversion
    Wiley ; 2023
    In:  Macromolecular Rapid Communications Vol. 44, No. 19 ( 2023-10)
    Details
    In: Macromolecular Rapid Communications, Wiley, Vol. 44, No. 19 ( 2023-10)
    Abstract: Photothermal tumor therapy (PTT) and photoacoustic imaging (PA) have emerged as promising noninvasive diagnostic and therapeutic approaches for cancer treatment. However, the development of efficient PTT agents with high photostability and strong near‐infrared (NIR) absorption remains challenging. This study synthesizes three isoindigo‐based dual‐acceptor conjugated polymers (CPs) (P‐IIG‐TPD, P‐IIG‐DPP, and P‐IIG‐EDOT‐BT) via a green and nontoxic direct arylation polymerization (DArP) method and characterizes their optical, electrochemical, and NIR photothermal conversion properties. By incorporating two acceptors into the backbone, the resulting polymers exhibit enhanced photothermal conversion efficiency (PCE) due to improved synergy among conjugation length, planarity, and intramolecular charge transfer (ICT). The nanoparticles (NPs) of P‐IIG‐EDOT‐BT and P‐IIG‐DPP have a uniform size distribution around 140 nm and exhibit remarkable NIR absorption at 808 nm. In addition, P‐IIG‐EDOT‐BT and P‐IIG‐DPP NPs exhibit high PCEs of 62% and 78%, respectively. This study promotes the molecular design of CPs as NIR photothermal conversion materials and provides guidance for the development of novel dual‐acceptor CPs for tumor diagnosis and treatment.
    Type of Medium: Online Resource
    ISSN: 1022-1336 , 1521-3927
    URL: Issue
    URL: Article
    DOI: 10.1002/marc.v44.19
    DOI: 10.1002/marc.202300244
    Language: English
    Publisher: Wiley
    Publication Date: 2023
    detail.hit.zdb_id: 1475027-2
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