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Side-Chain Type Ferrocene Macrocycles Scopus
期刊论文 | 2024 , 2 (4) , 143-150 | Precision Chemistry
SCOPUS Cited Count: 2
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Abstract :

A class of side-chain type ferrocene macrocycles with a radially conjugated system is introduced in this study. The stereo configurations of these ferrocene rings were determined through single-crystal X-ray diffraction analysis. Notably, in the solid state, the ferrocene rings exhibit a distinctive herringbone stacking pattern imposed by a ferrocene-to-ring host-guest interaction. Through UV-vis absorption spectroscopy, electrochemical measurements, and theoretical calculations, valuable insights into the electronic properties of these rings were obtained. In addition, the single crystal of macrocycle A2B demonstrates a second-order nonlinear optical response. As a class of organometallic nanorings, this work holds great potential for further exploration in the fields of organometallic chemistry, molecular electronics, and host-guest chemistry. © 2024 The Authors. Co-published by University of Science and Technology of China and American Chemical Society.

Keyword :

Conjugated Macrocycles Conjugated Macrocycles Ferrocene Ferrocene Nanoring Nanoring Organometallic Macrocycles Organometallic Macrocycles Second-Order Nonlinear Optical Second-Order Nonlinear Optical

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GB/T 7714 Lan, B. , Xu, J. , Zhu, L. et al. Side-Chain Type Ferrocene Macrocycles [J]. | Precision Chemistry , 2024 , 2 (4) : 143-150 .
MLA Lan, B. et al. "Side-Chain Type Ferrocene Macrocycles" . | Precision Chemistry 2 . 4 (2024) : 143-150 .
APA Lan, B. , Xu, J. , Zhu, L. , Chen, X. , Kono, H. , Wang, P. et al. Side-Chain Type Ferrocene Macrocycles . | Precision Chemistry , 2024 , 2 (4) , 143-150 .
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A novel approach to evaluation of tumor response for advanced pulmonary adenocarcinoma using the intertumoral heterogeneity response score ESCI
期刊论文 | 2024 , 5 (3) | MEDCOMM
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Abstract :

Treatment response and prognosis estimation in advanced pulmonary adenocarcinoma are challenged by the significant heterogeneity of the disease. The current Response Evaluation Criteria in Solid Tumors (RECIST) criteria, despite providing a basis for solid tumor response evaluation, do not fully encompass this heterogeneity. To better represent these nuances, we introduce the intertumoral heterogeneity response score (THRscore), a measure built upon and expanding the RECIST criteria. This retrospective study included patients with 3-10 measurable advanced lung adenocarcinoma lesions who underwent first-line chemotherapy or targeted therapy. The THRscore, derived from the coefficient of variation in size for each measurable tumor before and 4-6 weeks posttreatment, unveiled a correlation with patient outcomes. Specifically, a high THRscore was associated with shorter progression-free survival, lower tumor response rate, and a higher tumor mutation burden. These associations were further validated in an external cohort, confirming THRscore's effectiveness in stratifying patients based on progression risk and treatment response, and enhancing the utility of RECIST in capturing complex tumor behaviors in lung adenocarcinoma. These findings affirm the promise of THRscore as an enhanced tool for tumor response assessment in advanced lung adenocarcinoma, extending the RECIST criteria's utility. In the clinical management of advanced pulmonary adenocarcinoma, a commonly observed phenomenon is the intertumoral heterogeneous response (THR), which refers to the significant variation in treatment responses among different tumors within the same patient. We introduce the intertumoral heterogeneity response score (THRscore), a measure built upon and expanding the RECIST criteria, to evaluate THR effectively, stratifying patients by progression risk. image

Keyword :

intertumoral heterogeneity intertumoral heterogeneity intertumoral heterogeneous response intertumoral heterogeneous response lung adenocarcinoma lung adenocarcinoma RECIST criteria RECIST criteria

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GB/T 7714 Zheng, Xinlong , Lu, Tao , Wu, Shiwen et al. A novel approach to evaluation of tumor response for advanced pulmonary adenocarcinoma using the intertumoral heterogeneity response score [J]. | MEDCOMM , 2024 , 5 (3) .
MLA Zheng, Xinlong et al. "A novel approach to evaluation of tumor response for advanced pulmonary adenocarcinoma using the intertumoral heterogeneity response score" . | MEDCOMM 5 . 3 (2024) .
APA Zheng, Xinlong , Lu, Tao , Wu, Shiwen , Lin, Xiaoyan , Bai, Jing , Chen, Xiaohui et al. A novel approach to evaluation of tumor response for advanced pulmonary adenocarcinoma using the intertumoral heterogeneity response score . | MEDCOMM , 2024 , 5 (3) .
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电化学合成苯并噁噻嗪二氧化物实验的课程思政设计
期刊论文 | 2024 , 39 (02) , 61-66 | 大学化学
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有机电化学合成技术以电子代替传统有机反应的氧化还原剂,具有经济高效、环境友好、可持续发展等特点。通过将电化学合成苯并噁噻嗪二氧化物的科研成果转化为本科生实验,可以让学生建立“绿色化学”的理念,了解有机电化学合成技术对服务人类生态文明、国家需求和维护人民生命健康的重要意义,从而提高学生的专业认同感和社会责任感。通过将课程思政渗透到实验教学的全过程,全方位培养学生的科学思维、科学能力和科学素养。

Keyword :

实验教学 实验教学 电化学合成 电化学合成 课程思政 课程思政

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GB/T 7714 林彩霞 , 施兆江 , 余意 et al. 电化学合成苯并噁噻嗪二氧化物实验的课程思政设计 [J]. | 大学化学 , 2024 , 39 (02) : 61-66 .
MLA 林彩霞 et al. "电化学合成苯并噁噻嗪二氧化物实验的课程思政设计" . | 大学化学 39 . 02 (2024) : 61-66 .
APA 林彩霞 , 施兆江 , 余意 , 鄢剑锋 , 叶克印 , 袁耀锋 . 电化学合成苯并噁噻嗪二氧化物实验的课程思政设计 . | 大学化学 , 2024 , 39 (02) , 61-66 .
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Unveiling the Twisted Aromatic Donor Effect on the Nonlinear Response of D-π-A Type Malononitrile-Derived Chromophores EI
期刊论文 | 2024 , 30 (53) | Chemistry - A European Journal
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This study presents the design, synthesis, and comprehensive characterization of a novel series of D-π-A type malononitrile-derived chromophores, BTC-1–BTC-4. Combining various spectroscopic techniques, nonlinear Z-scan measurements, and quantum chemical calculations, we revealed the intricate relationship between nonlinear optical properties and the interplay of molecular structure, intramolecular charge transfer (ICT), and dipole moments (μ). Our experimental and computational findings corroborate that the polarization degree in the ground state, the charge separation in the excited state and twisted intramolecular charge transfer (TICT) collectively dictate the nonlinear optical properties of the compounds. Notably, BTC-1 exhibits an exceptional nonlinear absorption coefficient β value (2×10−8 m W−1), attributed to its optimized charge transfer efficiency and pronounced degree of charge separation. Our findings provide actionable insights for the rational design of high-performance organic Nonlinear optics (NLO) materials with potential applications in advanced photonic devices. © 2024 Wiley-VCH GmbH.

Keyword :

Alkylation Alkylation Aromatic compounds Aromatic compounds Charge transfer Charge transfer Chromophores Chromophores Organometallics Organometallics Spectroscopic analysis Spectroscopic analysis

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GB/T 7714 Zhu, Xiang-Zhao , Chen, Song-Hua , Xu, Jia-Bei et al. Unveiling the Twisted Aromatic Donor Effect on the Nonlinear Response of D-π-A Type Malononitrile-Derived Chromophores [J]. | Chemistry - A European Journal , 2024 , 30 (53) .
MLA Zhu, Xiang-Zhao et al. "Unveiling the Twisted Aromatic Donor Effect on the Nonlinear Response of D-π-A Type Malononitrile-Derived Chromophores" . | Chemistry - A European Journal 30 . 53 (2024) .
APA Zhu, Xiang-Zhao , Chen, Song-Hua , Xu, Jia-Bei , Huang, Jian-hua , Yan, Jian-Feng , Yuan, Yao-Feng . Unveiling the Twisted Aromatic Donor Effect on the Nonlinear Response of D-π-A Type Malononitrile-Derived Chromophores . | Chemistry - A European Journal , 2024 , 30 (53) .
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Synthesis, characterization, and electronic transport properties of o-carborane-bridged thiophene derivatives Scopus
期刊论文 | 2024 , 1016 | Journal of Organometallic Chemistry
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Here, α- or β-thiophene-substituted derivatives bridged by an o-carborane group were synthesized. Scanning tunneling microscope break junction techniques have revealed that the thiophene anchoring groups form a single-molecule junction with an Au electrode. Flicker noise analysis suggests the existence of through-space transmission pathways between the thiophene units. Furthermore, the electronic coupling of the β-thiophene substituted molecule with the electrode is found to be more stable, resulting in a 70 % increase in conductance compared to the α-isomer counterpart.These findings offer valuable insights for the design and development of o-carborane-based molecules, underscoring the significance of molecular backbones and substitution patterns on their electrical transport properties. © 2024

Keyword :

Electronic coupling Electronic coupling O-carborane O-carborane Single-molecule conductance Single-molecule conductance STM-BJ STM-BJ Thiophene Thiophene

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GB/T 7714 Chen, Z.-Y. , Dai, Y.-H. , Xu, S.-N. et al. Synthesis, characterization, and electronic transport properties of o-carborane-bridged thiophene derivatives [J]. | Journal of Organometallic Chemistry , 2024 , 1016 .
MLA Chen, Z.-Y. et al. "Synthesis, characterization, and electronic transport properties of o-carborane-bridged thiophene derivatives" . | Journal of Organometallic Chemistry 1016 (2024) .
APA Chen, Z.-Y. , Dai, Y.-H. , Xu, S.-N. , Yan, J.-F. , Geng, Y.-H. , Yuan, Y.-F. . Synthesis, characterization, and electronic transport properties of o-carborane-bridged thiophene derivatives . | Journal of Organometallic Chemistry , 2024 , 1016 .
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Electrochemical and optical recognition studies of anions using a multi-site ferrocene-based benzimidazolium receptor Scopus
期刊论文 | 2024 , 1021 | Journal of Organometallic Chemistry
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Abstract :

A novel multi-site receptor 1 bearing four ferrocenyl arms comprising benzimidazolium moieties was synthesized and structurally characterized by IR, NMR, elemental analysis, mass spectra. Moreover, the structure of receptor 1 was confirmed by X-ray crystallography, it was clear that the cationic heterocyclic was interacted with PF6− through C–H···F hydrogen bonds. Its electrochemical properties of sensing the various anions were investigated by cyclic voltammograms (CV) and differential pulse voltammetry (DPV), the receptor 1 displayed a significant cathodic shift for F−and OH−. The addition of F− and OH−to the solution of receptor 1 resulted in obvious absorption changes in the UV–Vis spectrum, showing that receptor 1 was an excellent sensor for these analytes (F−: LOD = 3.11 × 10−6 M, LOQ = 1.03 × 10−5 M, Ka = 5.83 × 105 M−1; and OH–: LOD = 1.36 × 10−6 M, LOQ = 4.11 × 10−5 M, Ka = 9.03 × 105 M−1). 1H NMR titrations demonstrated that anion was recognized by receptor 1 through (C–H)+···X− and C–H···X hydrogen bonds, the binding process involve initial formation of hydrogen bond and followed by deprotonation. © 2024

Keyword :

1H NMR spectroscopy 1H NMR spectroscopy Anion receptor Anion receptor Benzimidazolium salt Benzimidazolium salt Electrochemistry Electrochemistry Ferrocene Ferrocene UV-vis UV-vis

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GB/T 7714 Zhuo, J.-B. , Yan, J.-F. , Yuan, Y.-F. . Electrochemical and optical recognition studies of anions using a multi-site ferrocene-based benzimidazolium receptor [J]. | Journal of Organometallic Chemistry , 2024 , 1021 .
MLA Zhuo, J.-B. et al. "Electrochemical and optical recognition studies of anions using a multi-site ferrocene-based benzimidazolium receptor" . | Journal of Organometallic Chemistry 1021 (2024) .
APA Zhuo, J.-B. , Yan, J.-F. , Yuan, Y.-F. . Electrochemical and optical recognition studies of anions using a multi-site ferrocene-based benzimidazolium receptor . | Journal of Organometallic Chemistry , 2024 , 1021 .
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二茂铁苯基衍生物的综合化学实验设计
期刊论文 | 2024 , 39 (04) , 329-337 | 大学化学
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介绍了一个综合化学实验,涉及二茂铁苯基衍生物的合成、光物理和电化学性质的表征。该实验难度适中,综合运用了多种表征方法和测试手段,将大学基础化学理论、基本实验技能与金属有机领域的学术研究相结合。采用逆合成分析法设计了“一锅法”水相合成路线,旨在帮助学生树立绿色化学的概念以及培养可持续发展的思想。实验运用了紫外-可见吸收光谱和电化学方法对目标化合物的光物理和电化学性质进行研究,并结合量化计算手段详细比较了给电子基团和吸电子基团对分子电荷分布带来的影响。通过以科研反哺教学的模式,本实验不仅使学生掌握了基本的科研训练,而且培养了他们的综合实验素质。

Keyword :

二茂铁苯基衍生物 二茂铁苯基衍生物 光物理 光物理 水相合成 水相合成 电化学 电化学 综合化学实验 综合化学实验 量化计算 量化计算

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GB/T 7714 鄢剑锋 , 肖雅婷 , 左鑫 et al. 二茂铁苯基衍生物的综合化学实验设计 [J]. | 大学化学 , 2024 , 39 (04) : 329-337 .
MLA 鄢剑锋 et al. "二茂铁苯基衍生物的综合化学实验设计" . | 大学化学 39 . 04 (2024) : 329-337 .
APA 鄢剑锋 , 肖雅婷 , 左鑫 , 林彩霞 , 袁耀锋 . 二茂铁苯基衍生物的综合化学实验设计 . | 大学化学 , 2024 , 39 (04) , 329-337 .
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Ferrocene-based conjugated macrocycles: shotgun synthesis, size-dependent properties and tunable fluorescence intensity SCIE
期刊论文 | 2024 , 11 (18) , 5130-5137 | ORGANIC CHEMISTRY FRONTIERS
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The synthesis, structure, and size-dependent properties of ferrocene-embedded conjugated macrocycles are described. The one-pot, two-component "shotgun" synthesis greatly expands the structural diversity and functionality of nanohoops. These eta 5-type coordination metal-nanohoops exhibit intriguing properties, including reversible redox behavior and collisional quenching with fullerenes. Notably, the addition of oxidants enhances their fluorescence intensity, while fullerenes quench it. Detailed theoretical and experimental studies reveal that fine-tuning the nanohoop size significantly influences not only the molecular conformation but also its electronic structure and photophysical properties. Ferrocene-based conjugated macrocycles were efficiently synthesized by a "shotgun" approach. The fluorescence intensity of the macrocycles can be modulated in two intriguing ways: enhancement by adding an oxidant and quenching by adding fullerenes.

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GB/T 7714 Zhu, Lingyun , Xu, Jingdong , Lan, Bin et al. Ferrocene-based conjugated macrocycles: shotgun synthesis, size-dependent properties and tunable fluorescence intensity [J]. | ORGANIC CHEMISTRY FRONTIERS , 2024 , 11 (18) : 5130-5137 .
MLA Zhu, Lingyun et al. "Ferrocene-based conjugated macrocycles: shotgun synthesis, size-dependent properties and tunable fluorescence intensity" . | ORGANIC CHEMISTRY FRONTIERS 11 . 18 (2024) : 5130-5137 .
APA Zhu, Lingyun , Xu, Jingdong , Lan, Bin , Chen, Xinyu , Kono, Hideya , Xu, Hui et al. Ferrocene-based conjugated macrocycles: shotgun synthesis, size-dependent properties and tunable fluorescence intensity . | ORGANIC CHEMISTRY FRONTIERS , 2024 , 11 (18) , 5130-5137 .
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Nonlinear properties of benzothiadiazole-based intramolecular charge-transfer compounds SCIE
期刊论文 | 2023 , 47 (9) , 4299-4305 | NEW JOURNAL OF CHEMISTRY
WoS CC Cited Count: 2
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Intramolecular charge-transfer (ICT) chromophores have received a lot of attention due to their wide range of applications in nonlinear optical materials. In this work, we introduced an electron-rich benzothiadiazole group into the classical organic nonlinear material dimethylaminonitrostilben (DANS), which improved the efficiency of ICT and increased the dipole moment difference between the ground state and the excited state of the chromophore. We synthesized three benzothiadiazole derivatives, and the nonlinear optical properties of these chromophores were characterized by the Z-scan method. The nonlinear response is one order of magnitude higher than that of DANS. The analysis of UV-vis absorption spectra combined with the results of DFT theoretical calculations revealed the difference in the dipole moment between the ground and excited states. The difference in the dipole moments (Delta mu) between the ground state and excited state is responsible for the different nonlinear properties. The refractive indices n(2) of the three chromophores increase in the following order: BTN-2 > BTN-1 > BTN-3.

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GB/T 7714 Zhu, Xiang-Zhao , Hu, Hong-Dan , Chen, Song-Hua et al. Nonlinear properties of benzothiadiazole-based intramolecular charge-transfer compounds [J]. | NEW JOURNAL OF CHEMISTRY , 2023 , 47 (9) : 4299-4305 .
MLA Zhu, Xiang-Zhao et al. "Nonlinear properties of benzothiadiazole-based intramolecular charge-transfer compounds" . | NEW JOURNAL OF CHEMISTRY 47 . 9 (2023) : 4299-4305 .
APA Zhu, Xiang-Zhao , Hu, Hong-Dan , Chen, Song-Hua , Li, Yuan-Ming , Yan, Jian-Feng , Yuan, Yao-Feng . Nonlinear properties of benzothiadiazole-based intramolecular charge-transfer compounds . | NEW JOURNAL OF CHEMISTRY , 2023 , 47 (9) , 4299-4305 .
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纳米碳分子——合成化学的魅力 CSCD PKU
期刊论文 | 2023 , 35 (05) , 699-708 | 化学进展
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碳材料的发展极大地推动了人类科技的进步。碳材料通过碳原子之间不同的键合方式、结构和排列,使其具有丰富的性质,并且更多新型碳材料还不断地被发现或合成出来。作为新型碳材料的纳米碳分子由于其本身所拥有的潜在优良性质,在有机电子学、材料科学如生物材料等领域具有广阔的应用前景,因此被誉为是未来最有开发前景的材料。在过去的四十年里,新型纳米碳分子的发现和创造已彻底改变了碳材料的格局,打开了一扇通往全新科学领域的大门。本文重点介绍了近年来具有新颖拓扑结构的纳米碳分子的结构特征以及如何通过有机合成的手段对其进行精准构筑。

Keyword :

拓扑结构 拓扑结构 有机合成 有机合成 碳材料 碳材料 纳米碳分子 纳米碳分子

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GB/T 7714 鄢剑锋 , 徐进栋 , 张瑞影 et al. 纳米碳分子——合成化学的魅力 [J]. | 化学进展 , 2023 , 35 (05) : 699-708 .
MLA 鄢剑锋 et al. "纳米碳分子——合成化学的魅力" . | 化学进展 35 . 05 (2023) : 699-708 .
APA 鄢剑锋 , 徐进栋 , 张瑞影 , 周品 , 袁耀锋 , 李远明 . 纳米碳分子——合成化学的魅力 . | 化学进展 , 2023 , 35 (05) , 699-708 .
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