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  1. Article: Pd

    Li, Yi-Hao / Ouyang, Yuxin / Chekshin, Nikita / Yu, Jin-Quan

    ACS catalysis

    2022  Volume 12, Issue 17, Page(s) 10581–10586

    Abstract: ... Pd(II)- ... ...

    Abstract Pd(II)-catalyzed
    Language English
    Publishing date 2022-08-15
    Publishing country United States
    Document type Journal Article
    ISSN 2155-5435
    ISSN 2155-5435
    DOI 10.1021/acscatal.2c03400
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Synergistical thermal modulation function of 2D Ti

    Ouyang, Yuxin / Qiu, Lin / Bai, Yangyang / Yu, Wei / Feng, Yanhui

    iScience

    2022  Volume 25, Issue 8, Page(s) 104825

    Abstract: MXene demonstrates high in-plane thermal transport merit as an emerging two-dimensional material, but its out-of-plane thermal transport did not fully explore. Here ... ...

    Abstract MXene demonstrates high in-plane thermal transport merit as an emerging two-dimensional material, but its out-of-plane thermal transport did not fully explore. Here Ti
    Language English
    Publishing date 2022-07-31
    Publishing country United States
    Document type Journal Article
    ISSN 2589-0042
    ISSN (online) 2589-0042
    DOI 10.1016/j.isci.2022.104825
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Pd

    Li, Yi-Hao / Ouyang, Yuxin / Chekshin, Nikita / Yu, Jin-Quan

    Journal of the American Chemical Society

    2022  Volume 144, Issue 11, Page(s) 4727–4733

    Abstract: Pd(II)-catalyzed site-selective β- and γ-C( ... ...

    Abstract Pd(II)-catalyzed site-selective β- and γ-C(sp
    MeSH term(s) Aldehydes ; Catalysis ; Ligands ; Palladium ; Pyridones
    Chemical Substances Aldehydes ; Ligands ; Pyridones ; Palladium (5TWQ1V240M)
    Language English
    Publishing date 2022-03-14
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 3155-0
    ISSN 1520-5126 ; 0002-7863
    ISSN (online) 1520-5126
    ISSN 0002-7863
    DOI 10.1021/jacs.1c13586
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  4. Article: Pdᴵᴵ–Catalyzed Site-selective β- and γ-C(sp³)–H Arylation of Primary Aldehydes Controlled by Transient Directing Groups

    Li, Yi-Hao / Ouyang, Yuxin / Chekshin, Nikita / Yu, Jin-Quan

    Journal of the American Chemical Society. 2022 Mar. 14, v. 144, no. 11

    2022  

    Abstract: Pd(II)-catalyzed site-selective β- and γ-C(sp³)–H arylation of primary aldehydes is developed by rational design of L,X-type transient directing groups (TDG). External 2-pyridone ligands are identified to be crucial for the observed reactivity. By ... ...

    Abstract Pd(II)-catalyzed site-selective β- and γ-C(sp³)–H arylation of primary aldehydes is developed by rational design of L,X-type transient directing groups (TDG). External 2-pyridone ligands are identified to be crucial for the observed reactivity. By minimizing the loading of acid additives, the ligand effect is enhanced to achieve high reactivities of the challenging primary aldehyde substrates. Site selectivity can be switched from the proximate to the relatively remote position by changing the bite angle of TDG to match the desired palladacycle size. Experimental and computational investigations support this rationale for designing TDG to potentially achieve remote site-selective C(sp³)–H functionalizations.
    Keywords aldehydes ; arylation ; ligands
    Language English
    Dates of publication 2022-0314
    Size p. 4727-4733.
    Publishing place American Chemical Society
    Document type Article
    ZDB-ID 3155-0
    ISSN 1520-5126 ; 0002-7863
    ISSN (online) 1520-5126
    ISSN 0002-7863
    DOI 10.1021/jacs.1c13586
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  5. Article ; Online: Freestanding Flexible Sensor Based on 3

    Qiu, Lin / Ma, Yuhao / Ouyang, Yuxin / Feng, Yanhui / Zhang, Xinxin

    Sensors (Basel, Switzerland)

    2021  Volume 21, Issue 23

    Abstract: A new freestanding sensor-based 3ω technique is presented here, which remarkably expands the application of traditional 3ω technology to anisotropic materials. The freestanding flexible sensor was fabricated using the mature flexible printed circuit ... ...

    Abstract A new freestanding sensor-based 3ω technique is presented here, which remarkably expands the application of traditional 3ω technology to anisotropic materials. The freestanding flexible sensor was fabricated using the mature flexible printed circuit production technique, which is non-destructive to the samples and applicable to porous surfaces. The thermal conductivities of potassium dihydrogen phosphate (KDP) crystal along the (100), (010) and (001) crystallographic planes were measured based on this new sensor at room temperature. We found that the freestanding flexible sensor has considerable application value for thermal properties' characterization for crystals with anisotropic thermophysical properties and other structures for which the traditional 3ω technique is not applicable.
    Language English
    Publishing date 2021-11-29
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2052857-7
    ISSN 1424-8220 ; 1424-8220
    ISSN (online) 1424-8220
    ISSN 1424-8220
    DOI 10.3390/s21237968
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  6. Article ; Online: Thioether-Directed NiH-Catalyzed Remote γ-C(sp

    Du, Bingnan / Ouyang, Yuxin / Chen, Qishu / Yu, Wing-Yiu

    Journal of the American Chemical Society

    2021  Volume 143, Issue 37, Page(s) 14962–14968

    Abstract: A NiH-catalyzed thioether-directed cyclometalation strategy is developed to enable remote methylene C-H bond amidation of unactivated alkenes. Due to the preference for five-membered nickelacycle formation, the chain-walking isomerization initiated by ... ...

    Abstract A NiH-catalyzed thioether-directed cyclometalation strategy is developed to enable remote methylene C-H bond amidation of unactivated alkenes. Due to the preference for five-membered nickelacycle formation, the chain-walking isomerization initiated by the NiH insertion to an alkene can be terminated at the γ-methylene site remote from the alkene moiety. By employing 2,9-dibutyl-1,10-phenanthroline (
    Language English
    Publishing date 2021-09-08
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 3155-0
    ISSN 1520-5126 ; 0002-7863
    ISSN (online) 1520-5126
    ISSN 0002-7863
    DOI 10.1021/jacs.1c05834
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  7. Article ; Online: NiH-catalyzed anti-Markovnikov hydroamidation of unactivated alkenes with 1,4,2-dioxazol-5-ones for the direct synthesis of N-alkyl amides.

    Du, Bingnan / Chan, Chun-Ming / Ouyang, Yuxin / Chan, Kalok / Lin, Zhenyang / Yu, Wing-Yiu

    Communications chemistry

    2022  Volume 5, Issue 1, Page(s) 176

    Abstract: The addition of a nitrogen-based functional group to alkenes via a direct catalytic method is an attractive way of synthesizing value-added amides. The regioselective hydroamidation of unactivated alkenes is considered one of the easiest ways to achieve ... ...

    Abstract The addition of a nitrogen-based functional group to alkenes via a direct catalytic method is an attractive way of synthesizing value-added amides. The regioselective hydroamidation of unactivated alkenes is considered one of the easiest ways to achieve this goal. Herein, we report the NiH-catalyzed anti-Markovnikov intermolecular hydroamidation of unactivated alkenes enabled by using 2,9-dibutylphenathroline (diBuphen) as the ligand. This protocol provides a platform for the direct synthesis of over 90 structurally diverse N-alkyl amides using dioxazolones, which can be easily derived from abundant carboxylic acid feedstocks. This method succeeds for both terminal and internal unactivated alkenes and some natural products. Mechanistic studies including DFT calculations reveal an initial reversible insertion/elimination of the [NiH] to the alkene, followed by the irreversible amidation to furnish the N-alkyl amides. By crossover experiments and deuterium labeling studies, the observed anti-Markovnikov regioselectivities are suggested to be controlled by the sterical environment of the coupling reaction.
    Language English
    Publishing date 2022-12-22
    Publishing country England
    Document type Journal Article
    ZDB-ID 2929562-2
    ISSN 2399-3669 ; 2399-3669
    ISSN (online) 2399-3669
    ISSN 2399-3669
    DOI 10.1038/s42004-022-00791-4
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Thioether-Directed NiH-Catalyzed Remote γ-C(sp³)–H Hydroamidation of Alkenes by 1,4,2-Dioxazol-5-ones

    Du, Bingnan / Ouyang, Yuxin / Chen, Qishu / Yu, Wing-Yiu

    Journal of the American Chemical Society. 2021 Sept. 08, v. 143, no. 37

    2021  

    Abstract: A NiH-catalyzed thioether-directed cyclometalation strategy is developed to enable remote methylene C–H bond amidation of unactivated alkenes. Due to the preference for five-membered nickelacycle formation, the chain-walking isomerization initiated by ... ...

    Abstract A NiH-catalyzed thioether-directed cyclometalation strategy is developed to enable remote methylene C–H bond amidation of unactivated alkenes. Due to the preference for five-membered nickelacycle formation, the chain-walking isomerization initiated by the NiH insertion to an alkene can be terminated at the γ-methylene site remote from the alkene moiety. By employing 2,9-dibutyl-1,10-phenanthroline (L4) as the ligand and dioxazolones as the reagent, the amidation occurs at the γ-C(sp³)–H bonds to afford the amide products in up to 90% yield (>40 examples) with remarkable regioselectivity (up to 24:1 rr).
    Keywords alkenes ; isomerization ; ligands ; moieties ; regioselectivity
    Language English
    Dates of publication 2021-0908
    Size p. 14962-14968.
    Publishing place American Chemical Society
    Document type Article
    ZDB-ID 3155-0
    ISSN 1520-5126 ; 0002-7863
    ISSN (online) 1520-5126
    ISSN 0002-7863
    DOI 10.1021/jacs.1c05834
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  9. Article: Review on micro/nano phase change materials for solar thermal applications

    Qiu, Lin / Feng, Yanhui / Ouyang, Yuxin / Zhang, Xinxin

    Renewable energy. 2019 Sept., v. 140

    2019  

    Abstract: Solar energy, which is well–known for its inexhaustible and environmentally friendly properties, is among the most promising sources of energy. Solar energy is usually collected by a heat medium–heat transfer fluid (HTF) in the form of heat and is then ... ...

    Abstract Solar energy, which is well–known for its inexhaustible and environmentally friendly properties, is among the most promising sources of energy. Solar energy is usually collected by a heat medium–heat transfer fluid (HTF) in the form of heat and is then transported to production and human use. Due to the challenges of variant weather, climate and seasons, solar heating or power supply devices based on thermal energy storage (TES) components that can operate continuously and without interruption are needed. Phase change materials (PCMs) as latent heat storage material have considerably smaller weights and volumes to store larger amount of energy, which can help the solar thermal equipment capture more solar energy. Nevertheless, conventional PCMs with low thermal conductivity (TC) lead to long energy storage/release times for TES components, which significantly reduces the TES efficiency. To improve the overall TES performance, the key is to accelerate the heat storage/release process via boosting the TC of the PCMs. Based on cutting–edge theoretical and experimental studies, we review the typical thermal enhancement advances in micro/nano–PCMs in this field.
    Keywords climate ; equipment ; heat ; humans ; latent heat ; phase transition ; solar energy ; thermal conductivity ; thermal energy ; weather
    Language English
    Dates of publication 2019-09
    Size p. 513-538.
    Publishing place Elsevier Ltd
    Document type Article
    ZDB-ID 2001449-1
    ISSN 0960-1481
    ISSN 0960-1481
    DOI 10.1016/j.renene.2019.03.088
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  10. Article ; Online: Emerging applications of single-cell profiling in precision medicine of atherosclerosis.

    Lin, Huiling / Zhang, Ming / Hu, Mi / Zhang, Yangkai / Jiang, WeiWei / Tang, Wanying / Ouyang, Yuxin / Jiang, Liping / Mi, Yali / Chen, Zhi / He, Pingping / Zhao, Guojun / Ouyang, Xinping

    Journal of translational medicine

    2024  Volume 22, Issue 1, Page(s) 97

    Abstract: Atherosclerosis is a chronic, progressive, inflammatory disease that occurs in the arterial wall. Despite recent advancements in treatment aimed at improving efficacy and prolonging survival, atherosclerosis remains largely incurable. In this review, we ... ...

    Abstract Atherosclerosis is a chronic, progressive, inflammatory disease that occurs in the arterial wall. Despite recent advancements in treatment aimed at improving efficacy and prolonging survival, atherosclerosis remains largely incurable. In this review, we discuss emerging single-cell sequencing techniques and their novel insights into atherosclerosis. We provide examples of single-cell profiling studies that reveal phenotypic characteristics of atherosclerosis plaques, blood, liver, and the intestinal tract. Additionally, we highlight the potential clinical applications of single-cell analysis and propose that combining this approach with other techniques can facilitate early diagnosis and treatment, leading to more accurate medical interventions.
    MeSH term(s) Humans ; Precision Medicine ; Atherosclerosis ; Plaque, Atherosclerotic ; Arteries ; Liver
    Language English
    Publishing date 2024-01-23
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 2118570-0
    ISSN 1479-5876 ; 1479-5876
    ISSN (online) 1479-5876
    ISSN 1479-5876
    DOI 10.1186/s12967-023-04629-y
    Database MEDical Literature Analysis and Retrieval System OnLINE

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