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Your search keyword '"Wang, Zhuochen"' showing total 127 results
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127 results on '"Wang, Zhuochen"'

7. Nodule Synthesis and Selection for Augmenting Chest X-ray Nodule Detection

Author

Shen, Zhenrong, Ouyang, Xi, Wang, Zhuochen, Zhan, Yiqiang, Xue, Zhong, Wang, Qian, Cheng, Jie-Zhi, Shen, Dinggang, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Ma, Huimin, editor, Wang, Liang, editor, Zhang, Changshui, editor, Wu, Fei, editor, Tan, Tieniu, editor, Wang, Yaonan, editor, Lai, Jianhuang, editor, and Zhao, Yao, editor

Published
2021
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8. Self-guided Multi-attention Network for Periventricular Leukomalacia Recognition

Author

Wang, Zhuochen, Huang, Tingting, Xiao, Bin, Huo, Jiayu, Wang, Sheng, Jiang, Haoxiang, Liu, Heng, Wu, Fan, Zhou, Xiang, Xue, Zhong, Yang, Jian, Wang, Qian, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Rekik, Islem, editor, Adeli, Ehsan, editor, Park, Sang Hyun, editor, and Schnabel, Julia, editor

Published
2021
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9. Zinc Promoted Cross‐Electrophile Sulfonylation to Access Alkyl–Alkyl Sulfones.

Author

Wang, Zhuochen, Ma, Rui, Gu, Chang, He, Xiaoqian, Shi, Haiwei, Bai, Ruopeng, and Shi, Renyi

Subjects
*TRANSITION metal catalysts, *HALOALKANES, *ELECTROPHILES, *CHARGE exchange, *ZINC, *SULFONES
Abstract

The transition metal‐catalyzed multi‐component cross‐electrophile sulfonylation, which incorporates SO2 as a linker within organic frameworks, has proven to be a powerful, efficient, and cost‐effective means of synthesizing challenging alkyl–alkyl sulfones. Transition metal catalysts play a crucial role in this method by transferring electrons from reductants to electrophilic organohalides, thereby causing undesirable side reactions such as homocoupling, protodehalogenation, β‐hydride elimination, etc. It is worth noting that tertiary alkyl halides have rarely been demonstrated to be compatible with current methods owing to various undesired side reactions. In this work, a zinc‐promoted cross‐electrophile sulfonylation is developed through a radical‐polar crossover pathway. This approach enables the synthesis of various alkyl–alkyl sulfones, including 1°‐1°, 2°‐1°, 3°‐1°, 2°‐2°, and 3°‐2° types, from inexpensive and readily available alkyl halides. Various functional groups are well tolerated in the work, resulting in yields of up to 93%. Additionally, this protocol has been successfully applied to intramolecular sulfonylation and homo‐sulfonylation reactions. The insights gained from this work shall be useful for the further development of cross‐electrophile sulfonylation to access alkyl–alkyl sulfones. [ABSTRACT FROM AUTHOR]

Published
2024
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10. Two-Stage Mapping-Segmentation Framework for Delineating COVID-19 Infections from Heterogeneous CT Images

Author

Li, Tong, Wang, Zhuochen, Chen, Yanbo, Zhang, Lichi, Gao, Yaozong, Shi, Feng, Qian, Dahong, Wang, Qian, Shen, Dinggang, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Petersen, Jens, editor, San José Estépar, Raúl, editor, Schmidt-Richberg, Alexander, editor, Gerard, Sarah, editor, Lassen-Schmidt, Bianca, editor, Jacobs, Colin, editor, Beichel, Reinhard, editor, and Mori, Kensaku, editor

Published
2020
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11. Dynamic Thermal Effect in a Hollow Core Microbottle Resonator

Author

Wang, Zhe, Wang, Zhuochen, Rout, Anuradha, Jibon, Rayhan Habib, V. R, Anand, Wei, Fangfang, Wu, Qiang, and Semenova, Yuliya

Abstract

Dynamic thermal wavelength shift in hollow core microbottle resonators has been experimentally demonstrated using the frequency-detuning method. A linewidth broadening phenomenon is observed when the tunable laser is swept from a shorter wavelength to a longer wavelength. The thermal effect in the microbottles with various diameters as a function of the power and sweep frequency of the tunable laser has been studied and analyzed. In addition, the effect of thermal broadening on multiple WGM resonances within the spectrum has been observed, demonstrating that broadening of the linewidth of the first WGM resonance suppresses the subsequent WGM resonances during the up-scanning cycle of the tunable laser. Study of the dynamic response of the microbottle is beneficial for the design of ultrahigh-resolution optical fiber thermometers and low threshold mode-locked lasers.

Published
2024
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