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664 results on '"Wu, Yonghua"'

16. Tropospheric Ozone Differential Absorption Lidar (DIAL) Development at New York City

Author

Li, Dingdong, Wu, Yonghua, Legbandt, Thomas, Arend, Mark, Liang, Maggie, Moshary, Fred, Sullivan, John T., editor, Leblanc, Thierry, editor, Tucker, Sara, editor, Demoz, Belay, editor, Eloranta, Edwin, editor, Hostetler, Chris, editor, Ishii, Shoken, editor, Mona, Lucia, editor, Moshary, Fred, editor, Papayannis, Alexandros, editor, and Rupavatharam, Krishna, editor

Published
2023
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17. Diurnal Variability of MLH and Ozone in NYC Urban and Coastal Area from an Integrated Observation During LISTOS 2018

Author

Wu, Yonghua, Nehrir, Amin, Zhao, Kaihui, Gronoff, Guillaume, Huang, Jianping, Collins, James E., Berkoff, Timothy A., Lei, Liqiao, Li, Dingdong, Kulko, Margarita, Arend, Mark, Gross, Barry, Moshary, Fred, Sullivan, John T., editor, Leblanc, Thierry, editor, Tucker, Sara, editor, Demoz, Belay, editor, Eloranta, Edwin, editor, Hostetler, Chris, editor, Ishii, Shoken, editor, Mona, Lucia, editor, Moshary, Fred, editor, Papayannis, Alexandros, editor, and Rupavatharam, Krishna, editor

Published
2023
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19. Differential Drive Based Cooperate Steering Control Strategy Considering Energy Efficiency for Multi-axle Distributed Vehicle

Author

Wu, Yonghua, Li, Junqiu, Wang, Weichen, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Li, Yong, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Oneto, Luca, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zamboni, Walter, Series Editor, Zhang, Junjie James, Series Editor, Sun, Fengchun, editor, Yang, Qingxin, editor, Dahlquist, Erik, editor, and Xiong, Rui, editor

Published
2023
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25. Diurnal Variability of MLH and Ozone in NYC Urban and Coastal Area from an Integrated Observation During LISTOS 2018

Author

Wu, Yonghua, primary, Nehrir, Amin, additional, Zhao, Kaihui, additional, Gronoff, Guillaume, additional, Huang, Jianping, additional, Collins, James E., additional, Berkoff, Timothy A., additional, Lei, Liqiao, additional, Li, Dingdong, additional, Kulko, Margarita, additional, Arend, Mark, additional, Gross, Barry, additional, and Moshary, Fred, additional

Published
2023
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28. IOT Water Meter Reading System Based on Multi-agent and Ah Hoc

Author

Wu, Yonghua, Zuo, Ruijuan, Akan, Ozgur, Editorial Board Member, Bellavista, Paolo, Editorial Board Member, Cao, Jiannong, Editorial Board Member, Coulson, Geoffrey, Editorial Board Member, Dressler, Falko, Editorial Board Member, Ferrari, Domenico, Editorial Board Member, Gerla, Mario, Editorial Board Member, Kobayashi, Hisashi, Editorial Board Member, Palazzo, Sergio, Editorial Board Member, Sahni, Sartaj, Editorial Board Member, Shen, Xuemin, Editorial Board Member, Stan, Mircea, Editorial Board Member, Jia, Xiaohua, Editorial Board Member, Zomaya, Albert Y., Editorial Board Member, Chenggang, Yan, editor, Honggang, Wang, editor, and Yun, Lin, editor

Published
2022
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29. Volatile chemical product emissions enhance ozone and modulate urban chemistry

Author

Coggon, Matthew M., Gkatzelis, Georgios I., McDonald, Brian C., Gilman, Jessica B., Schwantes, Rebecca H., Abuhassan, Nader, Aikin, Kenneth C., Arend, Mark F., Berkoff, Timothy A., Brown, Steven S., Campos, Teresa L., Dickerson, Russell R., Gronoff, Guillaume, Hurley, James F., Isaacman-VanWertz, Gabriel, Koss, Abigail R., Li, Meng, McKeen, Stuart A., Moshary, Fred, Peischl, Jeff, Pospisilova, Veronika, Ren, Xinrong, Wilson, Anna, Wu, Yonghua, Trainer, Michael, and Warneke, Carsten

Published
2021

33. Tunable wide rectangular red fluorescence spectrum of Mn4+-doped Li3LaMgTiO6.

Author

Ren, Haike, Yang, Fugui, Yan, Fengpo, Wu, Yonghua, Hu, Shaozu, and Yu, Yunlong

Subjects
ENERGY levels (Quantum mechanics), FLUORESCENCE spectroscopy, SPECTRUM analysis, FLUORIMETRY, RADIATIONLESS transitions
Abstract

The Li3LaMgTiO6 phosphor doped with Mn4+ was synthesized using the solid phase gradient temperature technique. The micro-structure and spectral properties were characterized through XRD and fluorescence spectrum analysis. The experimental results demonstrate that it exhibits a typical layered structure, and the gradient temperature technique can effectively modify and distort the crystal cell structure from tetrahedral to cubic system. This transformation alters the required octahedral structure for Mn4+, resulting in the splitting of 2A levels into 2Eg and 2T1, thereby enlarging the energy level spacing. Consequently, due to reduced non-radiative transition probability of 2T1 → 2Eg, a blue shift phenomenon will be formed in the fluorescence peak. By utilizing a 358 nm LED as a pump source, we observed this phenomenon in fluorescence peaks from 711 to 680 nm. Furthermore, by adjusting the gradient temperature zone, it is possible to obtain a full-width half-maximum (FWHM) rectangular fluorescence spectrum up to 100 nm with excellent homogeneity of light intensity, which holds great promise for applications in opto-electronics and crop fields. [ABSTRACT FROM AUTHOR]

Published
2024
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40. Quantitative Analysis of Cell-Free RNA at Attomolar Level Using CRISPR/Cas Digital Imaging Platform

Author

Li, Yanan, Quan, Fenglei, Wu, Yige, Zhang, Yongyuan, Xu, Ru, Wu, Yonghua, Liang, Yan, Zhang, Junli, Gao, Hua, and Zhang, Kaixiang

Abstract

Quantitative analysis of cell-free RNA (cfRNA) in plasma sample can be used for screening, diagnosing, and prognosticating of multiple diseases. Here, we report a quantitative CRISPR/Cas digital imaging platform (qCasdip) for the detection of various cfRNAs, including circular RNAs and miRNAs, in clinical samples at the attomolar (aM) level without the need for preamplification. Digital counting strategy provides qCasdip quantitative ability with a linear detection range of 102–106aM. Meanwhile, qCasdip demonstrated cfRNA profiling in clinical plasma samples, improving the diagnosis of breast cancer. These data highlight the potential of qCasdip to quantitatively assess the molecular patterns of specific cfRNA panels in plasma, thereby providing a novel liquid biopsy solution to enhance disease diagnosis.

Published
2024
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41. High efficiency multifunctional red florescence phosphor of Mn4+and Eu3+ co-doped Li0.5La0.5SrMgWO6.

Author

Hu, Shaozu, Yang, Fugui, Ren, Haike, Wu, Yonghua, Yan, Fengpo, and Yu, Yunlong

Subjects
DOPING agents (Chemistry), PHOSPHORS, RELAXATION phenomena, QUANTUM efficiency, ENVIRONMENTAL monitoring, TERBIUM, X-ray diffraction
Abstract

High efficiency Li0.5La0.5SrMgWO6:Mn4+,Eu3+ phosphor was synthesized via the solid-state reaction technique. The XRD, excitation, emission spectra, as well as temperature sensing properties were quantitatively measured. Upon excitation by a 395-nm LED source, the emission peaks were observed at 615 nm and 693 ∼ 707 nm. The quantum efficiency was obtained to be 69%, and the slope efficiency was determined to be 21%. We have also observed that the fluorescence intensity can be modulated through two means, namely, the concentration ratio of Eu3+:Mn4+ and the substitution position of Eu3+. The highest intensity ratio between 615 nm and 693 nm occurs when Eu3+: Mn4+ = 20:1. And the sample "0.5Sr 0.5Mg" exhibits the highest intensity ratio between 615 nm and 693 nm. The fluorescence mechanism has been discussed in light of the theory of energy level transitions, which suggests that the phenomenon of cross relaxation ensures high efficiency. Finally, we investigated the temperature sensing properties of "0.1%Mn 1%Eu" and "0.1%Mn 2%Eu" samples, revealing that the samples exhibit a temperature sensing range of 0.2% ∼ 1.3% /K for Eu: Mn = 10 and 0.1% ∼ 0.4% /K for Eu: Mn = 20, indicating the former's superior suitability as a temperature-sensitive material. The material can be utilized not only for plant cultivation but also as a temperature sensor to monitor the environmental temperature during plant growth. In comparison with traditional Mn4+ doping materials, it is more suitable for plant cultivation, particularly in greenhouse facilities. [ABSTRACT FROM AUTHOR]

Published
2024
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