Search results
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Title
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A high-efficiency low-wearing hybrid voltage regulator for utility applications
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Author
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Zhao, Tiefu, Wang, Yafeng
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Date Created
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2023
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Subjects--Topical
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Voltage regulators, Electric power distribution
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Description
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Step voltage regulator (SVR) has been utilized in power distribution systems for decades as the voltage regulation device. Due to the increasing integration of distributed energy resources, the conventional SVR is severely challenged by the modern...
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Title
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Multiple-stage structure transformation of organic-inorganic hybrid Perovskite CH3NH3PbI3
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Author
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Zhang, Y. (Yong), 1960-, Chen, Qiong, Kim, Hui-Seon, Liu, Yucheng, Yang, Mengjin, Yue, Naili, Ren, Gang, Zhu, Kai, Lu, Shengzhong, Park, Nam-Gyu
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Subjects--Topical
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Physics, Perovskite
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Description
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By performing spatially resolved Raman and photoluminescence spectroscopy with varying excitation wavelength, density, and data acquisition parameters, we achieve a unified understanding towards the spectroscopy signatures of the organic-inorganic...
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Title
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An all optical approach for comprehensive in-operando analysis of radiative and nonradiative recombination processes in GaAs double heterostructures
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Author
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Zhang, Y. (Yong), 1960-, Zhang, Fan, Castaneda, Jose, Gfroerer, Timothy, Friedman, Daniel, Zhang, Yong-Hang, Wanlass, Mark W.
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Subjects--Topical
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Optics, Photoluminescence
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Description
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We demonstrate an all optical approach that can surprisingly offer the possibility of yielding much more information than one would expect, pertinent to the carrier recombination dynamics via both radiative and nonradiative processes when only one...
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Title
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Gender differences affecting the relationship between sleep attitudes, sleep behaviors and sleep outcomes
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Author
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Zendels, Philip, Ruggiero, Aria, Gaultney, Jane F.
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Subjects--Topical
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Sleep, Health attitudes
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Description
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Research has found that discrepancies exist in many health-related behaviors, leading to discrepancies in health outcomes, between men and women. Among these, women tend to have more positive attitudes towards sleep and better sleep hygiene practi...
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Title
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A psychometric assessment of a network social capital scale among sexual minority men and gender minority individuals
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Author
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Zarwell, Meagan, Walsh, Jennifer L., Quinn, Katherine G., Kaniuka, Andrea, Patton, Alexandra, Robinson, William T., Cramer, Robert J. (Robert Joseph)
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Subjects--Topical
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Social capital (Sociology)--Research--Methodology, Social networks, Queer studies
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Description
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Background Social capital, the potential for individuals to access resources through group memberships, is linked to a constellation of health outcomes. We modified a previously evaluated Constructed Family Social Capital Scale for gay, bisexual a...
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Title
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Unifying Estimation of Varying-coefficient Models
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Author
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yin, weitong
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Date Created
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2019
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Subjects--Topical
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Statistics
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Description
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Varying-coefficient models are widely used to analyze the relationship between a response and a group of covariates. Existing research shows different convergence rates for the estimators of coefficient for the stationary part and the nonstationar...
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Title
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Degradation kinetics of organic-inorganic hybrid materials from micro-Raman spectroscopy and density-functional theory
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Author
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Ye, Tang, Sun, Yi-Yang, Kocherga, Margaret, Nesmelov, Andrei
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Date Created
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2023
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Subjects--Topical
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Materials, Engineering design
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Description
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Organic–inorganic hybrid materials often face a stability challenge. β-ZnTe(en)0.5, which uniquely has over 15-year real-time degradation data, is taken as a prototype structure to demonstrate an accelerated thermal aging method for assessing the ...
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Title
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Genomic alterations and abnormal expression of APE2 in multiple cancers
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Author
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Yan, Shan, Jensen, Katherine A., Shi, Xinghua
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Subjects--Topical
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Cancer--Genetic aspects, DNA repair
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Description
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Although APE2 plays essential roles in base excision repair and ATR-Chk1 DNA damage response (DDR) pathways, it remains unknown how the APE2 gene is altered in the human genome and whether APE2 is differentially expressed in cancer patients. Here,...
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Title
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APE2 promotes DNA damage response pathway from a single-strand break
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Author
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Yan, Shan, Lin, Yunfeng, Bai, Liping, Cupello, Steven
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Date Created
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2018
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Subjects--Topical
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Cancer--Research, DNA
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Description
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As the most common type of DNA damage, DNA single-strand breaks (SSBs) are primarily repaired by the SSB repair mechanism. If not repaired properly or promptly, unrepaired SSBs lead to genome stability and have been implicated in cancer and neurod...
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Title
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Modulation of neural activity for myelination in the central nervous system
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Author
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Yang, In Hong, Choi, H. Elliot, Blasiak, Agatha, Lee, Joonho
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Date Created
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2019
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Subjects--Topical
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Central nervous system, Myelination
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Description
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Electrical stimulation has been playing a significant role in revealing various functions and mechanisms of the nervous system. It is no different for myelination, a process in which oligodendrocytes in the central nervous system (CNS) or Schwann ...
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Title
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Tough nature-inspired helicoidal composites with printing-induced voids
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Author
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Xu, Jun, Yin, Sha, Chen, Haoyu, Yang, Ruiheng
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Date Created
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2020
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Subjects--Topical
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Three-dimensional modeling, Three-dimensional printing
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Description
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Exoskeletons of Odontodactylus japonicas, the smasher-type mantis shrimp, feature a raptorial appendage comprising a Bouligand architecture of chitin nanofibrils with newly observed voids or defects between the polysaccharide alpha-chitin and prot...
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Title
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Exploring high-energy and mechanically robust anode materials based on doped graphene for lithium-ion batteries: a first-principles study
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Author
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Xu, Jun, Chang, Cheng, Yin, Sha
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Date Created
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2020
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Subjects--Topical
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Lithium ion batteries, Mechanical engineering
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Description
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In this study, the adsorption of Li atoms on various types of doped graphene with substituents, including boron, nitrogen, sulfur and silicon atoms, has been theoretically investigated by first-principles calculations, based on the density functio...
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Title
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Comprehensive battery safety risk evaluation : aged cells versus fresh cells upon mechanical abusive triggering
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Author
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Xu, Jun, Ma, Lin, Gao, Xiang, Jia, Yikai
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Date Created
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2023
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Subjects--Topical
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Materials, Lithium ion batteries
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Description
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Despite their wide applications, lithium-ion batteries (LIBs) have been struggling with their safety risks arising from different lifetime stages. Here, the NCMA pouch cell is taken as an example, and the safety of both fresh and aged cells from t...