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52 Research products, page 1 of 6

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  • Chem

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  • Open Access
    Authors: 
    Endale Mulugeta; Qing He; Divya Sareen; Seong Jin Hong; Ju Hyun Oh; Vincent M. Lynch; Jonathan L. Sessler; Sung Kuk Kim; Chang-Hee Lee;
    Publisher: Elsevier BV

    Summary A meso -aryl calix[4]pyrrole derivative bearing benzimidazolium groups at the two diametrical meso positions was synthesized. The receptor acts as an effective host for the bicarbonate anion at concentrations as low as 4 nM. A change in fluorescence response was...

  • Publication . Article . 2019
    Open Access
    Authors: 
    Javeed Mahmood; Jong-Beom Baek;
    Publisher: Elsevier BV

    Reports of room-temperature organic ferromagnetism have faced widespread suspicion mostly because of shaky proposed mechanisms and transition-metal contamination. In this Chem issue, Wu and co-workers report a covalently linked organic radical framework in which the adj...

  • Open Access English
    Authors: 
    Saravanan Subramanian; Julius Oppenheim; Doyun Kim; Thien S. Nguyen; Wahyu M.H. Silo; Byoungkook Kim; William A. Goddard; Cafer T. Yavuz;
    Publisher: Elsevier
    Country: United States

    Summary If cycloaddition of CO2 to epoxides is to become a viable non-redox CO2 fixation path, it is crucial that researchers develop an active, stable, selective, metal-free, reusable, and cost-effective catalyst. To this end, we report here a new catalyst that is base...

  • Open Access
    Authors: 
    Kang Hee Cho; Sunghak Park; Ki Tae Nam;
    Publisher: Elsevier BV

    Structural change of electrocatalysts is typically considered a negative effect but can be utilized for controlling interfacial kinetics. In the December issue of Matter, Wang et al. demonstrate a new strategy for enhancing the performance of NiMoFe electrocatalyst by M...

  • Open Access
    Authors: 
    Wei Liu; Liang Liang Zhao; Mohand Melaimi; Lei Cao; Xingyu Xu; Jean Bouffard; Guy Bertrand; Xiaoyu Yan;
    Publisher: Elsevier BV
    Country: France

    Summary H/D exchange at formyl groups is the most direct approach for the synthesis of deuterated aldehydes. Platinum-group metal complexes have been employed to catalyze this transformation, with significant substrate scope limitations. Although N-heterocyclic carbenes...

  • Open Access
    Authors: 
    Jung Hyun Park; Jong-Ho Kim;
    Publisher: Elsevier BV

    The selective conversion of CO2 into desired hydrocarbon products remains a challenge in photocatalysis. In this issue of Chem, Feng and colleagues report a strong-magnetic-field-assisted strategy for forming active low-coordinate (100) facets on TiO2 nanotubes, enablin...

  • Publication . Article . 2020
    Open Access
    Authors: 
    Jaehyoung Koo; Ikjin Kim; Younghoon Kim; Dasol Cho; In-Chul Hwang; Rahul Dev Mukhopadhyay; Hayoung Song; Young Ho Ko; Avinash Dhamija; Hochan Lee; +4 more
    Publisher: Elsevier BV

    Summary Due to the existing challenges in the synthesis of covalently linked large organic cages, the potential benefits of such gigantic structures have been less explored, comparatively. Here, we present a one-pot, template-free strategy to construct a porphyrin-based...

  • Open Access
    Authors: 
    Zhiqiang Xu; Xiaoting Huang; Xie Han; Di Wu; Bibo Zhang; Ying Tan; Meijiao Cao; Sheng Hua Liu; Jun Yin; Juyoung Yoon;
    Publisher: Elsevier BV

    Summary Glutathione is a major endogenous antioxidant in biological systems. As a result, highly selective fluorescent probes are significant components of studies aimed at gaining a better understanding of the role(s) glutathione plays in biological functions. In this ...

  • Open Access English
    Authors: 
    Kyoung Sunwoo; Miae Won; Kyung Phil Ko; Miri Choi; Jonathan F. Arambula; Sung Gil Chi; Jonathan L. Sessler; Peter Verwilst; Jong Seung Kim;
    Country: Belgium

    Tumor recurrence as a result of therapy-induced nuclear DNA lesions is a major issue in cancer treatment. Currently, only a few examples of potentially non-genotoxic drugs have been reported. Mitochondrial re-localization of ciprofloxacin, one of the most commonly presc...

  • Open Access
    Authors: 
    Sanghyun Park; In Hong Hwang; Daniel A. McNaughton; Airlie J. Kinross; Ethan N. W. Howe; Qing He; Shenglun Xiong; Martin Drøhse Kilde; Vincent M. Lynch; Philip A. Gale; +2 more
    Publisher: Elsevier BV
    Country: Australia
    Project: ARC | Discovery Projects - Gran... (DP200100453)

    A number of artificial cation ionophores (or transporters) have been developed for basic research and biomedical applications. However, their mechanisms of action and the putative correlations between changes in intracellular cation concentrations and induced cell death...