4 research outputs found

    sj-docx-1-tam-10.1177_17588359231221907 – Supplemental material for Major adverse cardiovascular events in advanced-stage lung cancer: a multicenter cohort study

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    Supplemental material, sj-docx-1-tam-10.1177_17588359231221907 for Major adverse cardiovascular events in advanced-stage lung cancer: a multicenter cohort study by Chih-Hao Chang, Shih-Hao Huang, Hung-Yu Huang, Meng-Hung Lin, Chung-Shu Lee, Hsin-Fu Lee, Jason Chia-Hsun Hsieh and Chun-Yu Cheng in Therapeutic Advances in Medical Oncology</p

    Cooperative Effect of Unsheltered Amide Groups on CO<sub>2</sub> Adsorption Inside Open-Ended Channels of a Zinc(II)–Organic Framework

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    A unique spatial arrangement of amide groups for CO<sub>2</sub> adsorption is found in the open-ended channels of a zinc­(II)–organic framework {[Zn<sub>4</sub>(BDC)<sub>4</sub>(BPDA)<sub>4</sub>]·5DMF·3H<sub>2</sub>O}<sub><i>n</i></sub> (<b>1</b>, BDC = 1,4-benzyl dicarboxylate, BPDA = <i>N,N′</i>-bis­(4-pyridinyl)-1,4-benzenedicarboxamide). Compound <b>1</b> consists of 4<sup>4</sup>-<b>sql</b> [Zn<sub>4</sub>(BDC)<sub>4</sub>] sheets that are further pillared by a long linker of BPDA and forms a 3D porous framework with an α-Po 4<sup>12</sup>·6<sup>3</sup> topology. Remarkably, the unsheltered amide groups in <b>1</b> provide a positive cooperative effect on the adsorption of CO<sub>2</sub> molecules, as shown by the significant increase in the CO<sub>2</sub> adsorption enthalpy with increasing CO<sub>2</sub> uptake. At ambient condition, a 1:1 ratio of active amide sites to CO<sub>2</sub> molecules was observed. In addition, compound <b>1</b> favors capture of CO<sub>2</sub> over N<sub>2</sub>. DFT calculations provided rationale for the intriguing 1:1 ratio of amide sorption sites to CO<sub>2</sub> molecules and revealed that the nanochamber of compound <b>1</b> permits the slipped-parallel arrangement of CO<sub>2</sub> molecules, an arrangement found in crystal and gas-phase CO<sub>2</sub> dimer

    Cooperative Effect of Unsheltered Amide Groups on CO<sub>2</sub> Adsorption Inside Open-Ended Channels of a Zinc(II)–Organic Framework

    No full text
    A unique spatial arrangement of amide groups for CO<sub>2</sub> adsorption is found in the open-ended channels of a zinc­(II)–organic framework {[Zn<sub>4</sub>(BDC)<sub>4</sub>(BPDA)<sub>4</sub>]·5DMF·3H<sub>2</sub>O}<sub><i>n</i></sub> (<b>1</b>, BDC = 1,4-benzyl dicarboxylate, BPDA = <i>N,N′</i>-bis­(4-pyridinyl)-1,4-benzenedicarboxamide). Compound <b>1</b> consists of 4<sup>4</sup>-<b>sql</b> [Zn<sub>4</sub>(BDC)<sub>4</sub>] sheets that are further pillared by a long linker of BPDA and forms a 3D porous framework with an α-Po 4<sup>12</sup>·6<sup>3</sup> topology. Remarkably, the unsheltered amide groups in <b>1</b> provide a positive cooperative effect on the adsorption of CO<sub>2</sub> molecules, as shown by the significant increase in the CO<sub>2</sub> adsorption enthalpy with increasing CO<sub>2</sub> uptake. At ambient condition, a 1:1 ratio of active amide sites to CO<sub>2</sub> molecules was observed. In addition, compound <b>1</b> favors capture of CO<sub>2</sub> over N<sub>2</sub>. DFT calculations provided rationale for the intriguing 1:1 ratio of amide sorption sites to CO<sub>2</sub> molecules and revealed that the nanochamber of compound <b>1</b> permits the slipped-parallel arrangement of CO<sub>2</sub> molecules, an arrangement found in crystal and gas-phase CO<sub>2</sub> dimer
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