Search

Your search keyword '"Cho, Ara"' showing total 801 results
Start Over Author "Cho, Ara"
801 results on '"Cho, Ara"'

14. Transcriptome profiles of organ tissues from pigs experimentally infected with African swine fever virus in early phase of infection

Author

Oh, Sang-Ik, primary, Sheet, Sunirmal, additional, Bui, Vuong Nghia, additional, Dao, Duy Tung, additional, Bui, Ngoc Anh, additional, Kim, Tae-Hun, additional, Cha, Jihye, additional, Park, Mi-Rim, additional, Hur, Tai-Young, additional, Jung, Young-Hun, additional, Kim, Bumseok, additional, Lee, Hu Suk, additional, Cho, Ara, additional, and Lim, Dajeong, additional

Published
2024
Full Text
View/download PDF

21. The effect of tobacco tax increase on price‐minimizing tobacco purchasing behaviours: A systematic review and meta‐analysis.

Author

Cho, Ara, Lim, Carmen, Sun, Tianze, Chan, Gary, and Gartner, Coral

Subjects
*TOBACCO taxes, *SALES tax, *EXCISE tax, *NICOTINE addiction, *LOW-income consumers
Abstract

Background and aims Method Results Conclusions Tobacco product excise taxes are a cost‐effective method for reducing tobacco consumption, but industry pricing and marketing strategies encourage consumers to engage in price‐minimizing behaviours (PMBs). We investigated the relationship between tobacco tax increases and PMBs, measuring whether PMBs intensify following tax increases, whether low‐income consumers with higher nicotine dependence are more likely to engage in PMBs and whether PMBs are negatively related to smoking cessation.This was a systematic review with meta‐analysis of cross‐sectional and longitudinal studies from seven databases up to March 2023, using studies that reported any product‐ and purchasing‐related smoking behaviours post‐tobacco tax increase in a general representative population. Sixty‐eight studies were quality‐assessed using the Newcastle–Ottawa scale. All studies were narratively synthesized, with five studies involving 13 068–26 575 participants providing data for pooled analyses on PMBs [purchasing lower‐priced brands, roll‐your‐own (RYO) tobacco and cartons] pre‐ and post‐tax increases using a random effects meta‐analytical model.Fifty‐seven studies reported on legal PMBs, and 17 studies reported illicit cigarette purchasing. Meta‐analysis showed that consecutive tax increases were positively associated with purchasing RYO [odds ratio (OR) = 1.60, 95% confidence interval (CI) = 1.04–2.46], especially in higher tobacco taxing environments, with substantial heterogeneity (I2 = 96%). Lower income and higher nicotine dependence were associated with purchasing lower‐priced brands and RYO, whereas higher income and nicotine dependence were associated with purchasing cartons, large‐sized packs and cross‐border sales. Less evidence associated illicit tobacco purchases with tax increases or PMBs with smoking cessation.Tobacco purchasers’ PMBs vary widely by state, country and time‐period within countries. Both legal and illegal PMBs, potentially influenced by industry pricing tactics, may exacerbate health inequalities and dilute the public health benefits of tobacco tax increases. [ABSTRACT FROM AUTHOR]

Published
2024
Full Text
View/download PDF

23. CONICS integrates scRNA-seq with DNA sequencing to map gene expression to tumor sub-clones

Author

Müller, Sören, Cho, Ara, Liu, Siyuan J, Lim, Daniel A, and Diaz, Aaron

Subjects
Biological Sciences, Bioinformatics and Computational Biology, Genetics, Human Genome, Bioengineering, Cancer, Biotechnology, Cancer Genomics, Algorithms, Gene Expression Profiling, Humans, Neoplasms, RNA, Small Cytoplasmic, Sequence Analysis, DNA, Sequence Analysis, RNA, Single-Cell Analysis, Software, Mathematical Sciences, Information and Computing Sciences, Bioinformatics, Biological sciences, Information and computing sciences, Mathematical sciences
Abstract

MotivationSingle-cell RNA-sequencing (scRNA-seq) has enabled studies of tissue composition at unprecedented resolution. However, the application of scRNA-seq to clinical cancer samples has been limited, partly due to a lack of scRNA-seq algorithms that integrate genomic mutation data.ResultsTo address this, we present.ConicsCOpy-Number analysis In single-Cell RNA-Sequencing. CONICS is a software tool for mapping gene expression from scRNA-seq to tumor clones and phylogenies, with routines enabling: the quantitation of copy-number alterations in scRNA-seq, robust separation of neoplastic cells from tumor-infiltrating stroma, inter-clone differential-expression analysis and intra-clone co-expression analysis.Availability and implementationCONICS is written in Python and R, and is available from https://github.com/diazlab/CONICS.Supplementary informationSupplementary data are available at Bioinformatics online.

Published
2018

27. New Era of Air Quality Monitoring from Space : Geostationary Environment Monitoring Spectrometer (GEMS)

Author

Kim, Jhoon, Jeong, Ukkyo, Ahn, Myoung-Hwan, Kim, Jae H., Park, Rokjin J., Lee, Hanlim, Song, Chul Han, Choi, Yong-Sang, Lee, Kwon-Ho, Yoo, Jung-Moon, Jeong, Myeong-Jae, Park, Seon Ki, Lee, Kwang-Mog, Song, Chang-Keun, Kim, Sang-Woo, Kim, Young Joon, Kim, Si-Wan, Kim, Mijin, Go, Sujung, Liu, Xiong, Chance, Kelly, Miller, Christopher Chan, Al-Saadi, Jay, Veihelmann, Ben, Bhartia, Pawan K., Torres, Omar, Abad, Gonzalo González, Haffner, David P., Ko, Dai Ho, Lee, Seung Hoon, Woo, Jung-Hun, Chong, Heesung, Park, Sang Seo, Nicks, Dennis, Choi, Won Jun, Moon, Kyung-Jung, Cho, Ara, Yoon, Jongmin, Kim, Sang-kyun, Hong, Hyunkee, Lee, Kyunghwa, Lee, Hana, Lee, Seoyoung, Choi, Myungje, Veefkind, Pepijn, Levelt, Pieternel F., Edwards, David P., Kang, Mina, Eo, Mijin, Bak, Juseon, Baek, Kanghyun, Kwon, Hyeong-Ahn, Yang, Jiwon, Park, Junsung, Han, Kyung Man, Kim, Bo-Ram, Shin, Hee-Woo, Choi, Haklim, Lee, Ebony, Chong, Jihyo, Cha, Yesol, Koo, Ja-Ho, Irie, Hitoshi, Hayashida, Sachiko, Kasai, Yasko, Kanaya, Yugo, Liu, Cheng, Lin, Jintai, Crawford, James H., Carmichael, Gregory R., Newchurch, Michael J., Lefer, Barry L., Herman, Jay R., Swap, Robert J., Lau, Alexis K. H., Kurosu, Thomas P., Jaross, Glen, Ahlers, Berit, Dobber, Marcel, McElroy, C. Thomas, and Choi, Yunsoo

Published
2020

30. Scalable CIGS Solar Cells Employing a New Device Design of Nontoxic Buffer Layer and Microgrid Electrode

Author

Hwang, Inchan, Lee, Myounghyun, Lee, Ahreum, Jeong, Inyoung, Song, Soomin, Shin, Donghyeop, Park, Joohyung, Cho, Ara, Eo, Young-Joo, Yoo, Jin-Su, Ahn, Seung Kyu, Gwak, Jihye, Ahn, Sejin, Seo, Kwanyong, and Kim, Kihwan

Abstract

The efficiency of copper indium gallium selenide (CIGS) solar cells that use transparent conductive oxide (TCO) as the top electrode decreases significantly as the device area increases owing to the poor electrical properties of TCO. Therefore, high-efficiency, large-area CIGS solar cells require the development of a novel top electrode with high transmittance and conductivity. In this study, a microgrid/TCO hybrid electrode is designed to minimize the optical and resistive losses that may occur in the top electrode of a CIGS solar cell. In addition, the buffer layer of the CIGS solar cells is changed from the conventional CdS buffer to a dry-processed wide-band gap ZnMgO (ZMO) buffer, resulting in increased device efficiency by minimizing parasitic absorption in the short-wavelength region. By optimizing the combination of ZMO buffer and the microgrid/TCO hybrid electrode, a device efficiency of up to 20.5% (with antireflection layers) is achieved over a small device area of 5 mm × 5 mm (total area). Moreover, CIGS solar cells with an increased device area of up to 20 mm × 70 mm (total area) exhibit an efficiency of up to 19.7% (with antireflection layers) when a microgrid/TCO hybrid electrode is applied. Thus, this study demonstrates the potential for high-efficiency, large-area CIGS solar cells with novel microgrid electrodes.

Published
2024
Full Text
View/download PDF

50. Defect Engineering in Earth‐Abundant Cu2ZnSnSe4 Absorber Using Efficient Alkali Doping for Flexible and Tandem Solar Cell Applications.

Author

Rehan, Muhammad, Cho, Ara, Jeong, Inyoung, Kim, Kihwan, Ullah, Asmat, Cho, Jun‐Sik, Park, Joo Hyung, Jo, Yunae, Hong, Sung Jun, Ahn, Seung Kyu, Ahn, SeJin, Yun, Jae Ho, Gwak, Jihye, and Shin, Donghyeop

Subjects
SOLAR cells, ALKALIES, CERAMICS, ENGINEERING, ANTHOLOGY films
Abstract

To demonstrate flexible and tandem device applications, a low‐temperature Cu2ZnSnSe4 (CZTSe) deposition process, combined with efficient alkali doping, was developed. First, high‐quality CZTSe films were grown at 480 °C by a single co‐evaporation, which is applicable to polyimide (PI) substrate. Because of the alkali‐free substrate, Na and K alkali doping were systematically studied and optimized to precisely control the alkali distribution in CZTSe. The bulk defect density was significantly reduced by suppression of deep acceptor states after the (NaF + KF) PDTs. Through the low‐temperature deposition with (NaF + KF) PDTs, the CZTSe device on glass yields the best efficiency of 8.1% with an improved VOC deficit of 646 mV. The developed deposition technologies have been applied to PI. For the first time, we report the highest efficiency of 6.92% for flexible CZTSe solar cells on PI. Additionally, CZTSe devices were utilized as bottom cells to fabricate four‐terminal CZTSe/perovskite tandem cells because of a low bandgap of CZTSe (~1.0 eV) so that the tandem cell yielded an efficiency of 20%. The obtained results show that CZTSe solar cells prepared by a low‐temperature process with in‐situ alkali doping can be utilized for flexible thin‐film solar cells as well as tandem device applications. [ABSTRACT FROM AUTHOR]

Published
2024
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results