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Article ; Online: Non-interleaved chiral metasurfaces and neural networks enhance the spatial resolution of polarimetry.

Jang, Jaewon / Park, Minsu / Park, Yeonsang

2024 Volume 13, Issue 1, Page(s) 53

Abstract: Non-interleaved chiral metasurfaces for high-spatial-resolution polarimetry are proposed and demonstrated. Furthermore, a convolutional neural network is incorporated to analyze interferometric images with the polarization state of light, and it results ... ...

Abstract	Non-interleaved chiral metasurfaces for high-spatial-resolution polarimetry are proposed and demonstrated. Furthermore, a convolutional neural network is incorporated to analyze interferometric images with the polarization state of light, and it results in accurate Stokes parameters.
Language	English
Publishing date	2024-02-20
Publishing country	England
Document type	Journal Article
ZDB-ID	2662628-7
ISSN	2047-7538 ; 2047-7538
ISSN (online)	2047-7538
ISSN	2047-7538
DOI	10.1038/s41377-024-01397-2
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Comparison of participant and non-participant perceptions on healthy restaurant for sodium reduction: a qualitative study.

Pyo, Jeehee / Lee, Mina / Jang, Yunjeong / Ock, Minsu

Nutrition research and practice

2023 Volume 17, Issue 3, Page(s) 503–515

Abstract: Background/objectives: In the Republic of Korea, "Healthy Restaurant for Sodium Reduction (HRSR)" project have been designated as one of the representative policies for sodium intake reduction. However, as of 2021, only 879 restaurants, less than 0.1% ... ...

Abstract	Background/objectives: In the Republic of Korea, "Healthy Restaurant for Sodium Reduction (HRSR)" project have been designated as one of the representative policies for sodium intake reduction. However, as of 2021, only 879 restaurants, less than 0.1% of all restaurants, had been designated. Therefore, to increase the participation of restaurants in this policy, it is necessary to examine the in-depth perception and experience of participants and non-participants in the HRSR. Materials/methods: Two focus group discussions were conducted for HRSR project participants and non-participants. Results: A total of 260 semantic units were derived from the 2 groups. The units were further classified into 5 upper categories and 11 subcategories. All the study participants knew the importance of low sodium intake, but they had little information on HRSR project. Various attempts have been made to encourage low sodium practice in restaurants, and the participants reported that the amount of salt used in their restaurants currently is reduced compared to that used in the past. However, they were worried about customers' complaints about the low sodium in their diet and the insignificant beneficent associated with the policy, which makes restaurant owners reluctant to participate in this policy. All the participants agreed on the urgent need for the improvement of public awareness of low-sodium diets and for substantive government support for HRSR. Conclusion: This study concluded that strategies such as more active publicity for the practice of sodium reduction in restaurants, identification of approaches to dispel the perception that low-salt diet is not tasty, and development of plans to increase the sale of food in of HRSR, are needed.
Language	English
Publishing date	2023-02-20
Publishing country	Korea (South)
Document type	Journal Article
ZDB-ID	2387946-4
ISSN	2005-6168 ; 1976-1457
ISSN (online)	2005-6168
ISSN	1976-1457
DOI	10.4162/nrp.2023.17.3.503
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Article ; Online: Importance of Quality of Medical Record: Differences in Patient Safety Incident Inquiry Results According to Assessment for Quality of Medical Record.

Jeong, Hyeran / Choi, Eun Young / Lee, Won / Jang, Seung Gyeong / Pyo, Jeehee / Ock, Minsu

Journal of patient safety

2024

Abstract: Background: Medical record review is the gold standard method of identifying adverse events. However, the quality of medical records is a critical factor that can affect the accuracy of adverse event detection. Few studies have examined the impact of ... ...

Abstract	Background: Medical record review is the gold standard method of identifying adverse events. However, the quality of medical records is a critical factor that can affect the accuracy of adverse event detection. Few studies have examined the impact of medical record quality on the identification of adverse events. Objectives: In this study, we analyze whether there were differences in screening criteria and characteristics of adverse events according to the quality of medical records evaluated in the patient safety incident inquiry in Korea. Methods: Patient safety incident inquiry was conducted in 2019 on 7500 patients in Korea to evaluate their screening criteria, adverse events, and preventability. Furthermore, medical records quality judged by reviewers was evaluated on a 4-point scale. The χ2 test was used to examine differences in patient safety incident inquiry results according to medical record quality. Results: Cases with inadequate medical records had higher rates of identified screening criteria than those with adequate records (88.8% versus 55.7%). Medical records judged inadequate had a higher rate of confirmed adverse events than those judged adequate. "Drugs, fluids, and blood-related events," "diagnosis-related events," and "patient care-related events" were more frequently identified in cases with inadequate medical records. There was no statistically significant difference in the preventability of adverse events according to the medical record quality. Conclusions: Lower medical record quality was associated with higher rates of identified screening criteria and confirmed adverse events. Patient safety incident inquiry should specify medical record quality evaluation questions more accurately to more clearly estimate the impact of medical record quality.
Language	English
Publishing date	2024-02-19
Publishing country	United States
Document type	Journal Article
ZDB-ID	2394324-5
ISSN	1549-8425 ; 1549-8417
ISSN (online)	1549-8425
ISSN	1549-8417
DOI	10.1097/PTS.0000000000001212
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Article ; Online: Amino-functionalized nanocellulose aerogels for the superior adsorption of CO

Zhu, Wenkai / Chen, Meiling / Jang, Jieun / Han, Minsu / Moon, Yeonggyun / Kim, Junghwan / You, Jungmok / Li, Song / Park, Teahoon / Kim, Jeonghun

Carbohydrate polymers

2023 Volume 323, Page(s) 121393

Abstract: Nanocellulose-based aerogels have been considered as one of the ideal candidates for ... ...

Abstract	Nanocellulose-based aerogels have been considered as one of the ideal candidates for CO
Language	English
Publishing date	2023-09-16
Publishing country	England
Document type	Journal Article
ZDB-ID	1501516-6
ISSN	1879-1344 ; 0144-8617
ISSN (online)	1879-1344
ISSN	0144-8617
DOI	10.1016/j.carbpol.2023.121393
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Article: Nurses' adaptations to changes on a COVID-19 ward in South Korea: A qualitative study.

Lee, Won / Pyo, Jeehee / Ock, Minsu / Jang, Seung Gyeong / Choi, Eun Young

Heliyon

2023 Volume 9, Issue 3, Page(s) e13926

Abstract: Background: Elucidating nurses' adaptation to changes in the early stage of an infectious disease epidemic is necessary to promote nurses' coping with and adapting to situations in which new infectious diseases are predicted periodically.: Aim: To ... ...

Abstract	Background: Elucidating nurses' adaptation to changes in the early stage of an infectious disease epidemic is necessary to promote nurses' coping with and adapting to situations in which new infectious diseases are predicted periodically. Aim: To explore nurses' adaptation to changes in COVID-19 wards in South Korea. Methods: In-depth interviews were conducted with 20 nurses through purposive sampling from May to August 2020. The collected data were transcribed verbatim, and analysis was performed using conventional content analysis. Findings: Three categories emerged from the interviews: (a) Disruption caused by an unforeseen pandemic outbreak, (b) perseverance through the turmoil of changes as a nurse, and (c) transition from feelings of fearfulness to those of accomplishment. While the nurses initially struggled to care for patients with COVID-19, they made conscious efforts to provide emotional nursing and maintain their professionalism. Discussion: Nurses caring for patients with COVID-19 have faced a number of challenges but have adapted to new scenarios by endeavoring to fulfil their professional roles. Conclusion: To overcome a national disaster situation such as COVID-19, the government and healthcare organizations should prepare strategies to support the efforts of nurses to strengthen their own professionalism.
Language	English
Publishing date	2023-02-21
Publishing country	England
Document type	Journal Article
ZDB-ID	2835763-2
ISSN	2405-8440
ISSN	2405-8440
DOI	10.1016/j.heliyon.2023.e13926
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Book ; Online: Learning Energy Decompositions for Partial Inference of GFlowNets

Jang, Hyosoon / Kim, Minsu / Ahn, Sungsoo

2023

Abstract: This paper studies generative flow networks (GFlowNets) to sample objects from the Boltzmann energy distribution via a sequence of actions. In particular, we focus on improving GFlowNet with partial inference: training flow functions with the evaluation ... ...

Abstract	This paper studies generative flow networks (GFlowNets) to sample objects from the Boltzmann energy distribution via a sequence of actions. In particular, we focus on improving GFlowNet with partial inference: training flow functions with the evaluation of the intermediate states or transitions. To this end, the recently developed forward-looking GFlowNet reparameterizes the flow functions based on evaluating the energy of intermediate states. However, such an evaluation of intermediate energies may (i) be too expensive or impossible to evaluate and (ii) even provide misleading training signals under large energy fluctuations along the sequence of actions. To resolve this issue, we propose learning energy decompositions for GFlowNets (LED-GFN). Our main idea is to (i) decompose the energy of an object into learnable potential functions defined on state transitions and (ii) reparameterize the flow functions using the potential functions. In particular, to produce informative local credits, we propose to regularize the potential to change smoothly over the sequence of actions. It is also noteworthy that training GFlowNet with our learned potential can preserve the optimal policy. We empirically verify the superiority of LED-GFN in five problems including the generation of unstructured and maximum independent sets, molecular graphs, and RNA sequences.
Keywords	Computer Science - Machine Learning
Subject code	541
Publishing date	2023-10-05
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Perception gaps of patient engagement for patient safety between healthcare professionals and the public in Korea.

Jeong, Hyeran / Lee, Won / Jang, Seung Gyeong / Pyo, Jeehee / Choi, Eun Young / Baek, Seung Ju / Ock, Minsu

Current medical research and opinion

2024 , Page(s) 1–14

Abstract: Background: To ensure effective patient engagement, patients' efforts, partnerships with healthcare professionals, and the organisation's role in providing safe healthcare settings must be emphasised. Perception gaps regarding patient engagement between ...

Abstract	Background: To ensure effective patient engagement, patients' efforts, partnerships with healthcare professionals, and the organisation's role in providing safe healthcare settings must be emphasised. Perception gaps regarding patient engagement between the public and healthcare professionals could prevent healthy partnerships from forming and hinder patient engagement activities. This study examined healthcare professionals' perception of patient engagement and compared the findings with that determined for the public in a previous study. Methods: An anonymous online survey was conducted in February 2020 among 1,007 healthcare professionals (physicians, nurses). The questionnaire comprised five parts regarding the perception of patient engagement. Descriptive analysis and Chi-squared/Fisher's exact tests determined the frequency and significant differences among the public from previous study and healthcare professionals in this study. Results: The perception of the importance of patient safety was high among healthcare professionals and the public. However, statistically significant differences in perceptions were observed among the public and healthcare professionals in all categories. The perception gaps were substantial between the groups in sub-categories of engagement for patient safety during medical treatment; 87% of physicians and 90% of nurses agreed that patients participate in the decision-making for the treatment process. Conversely, 58% of the public agreed. Only 22% of the public agreed with confirming healthcare professionals' hand washing to prevent infection, versus 57% of physicians and 65% of nurses. More than 89% of healthcare professionals positively perceived medical dispute mediation versus only half of the public. In certain areas such as 'medical dispute mediation and arbitration programs', 'fall prevention', and 'infection prevention', there was a statistically significant difference in the perception of patient involvement among healthcare professionals, with nurses' perception being particularly more positive than that of physicians. Conclusions: The healthcare professionals' perception of patient engagement was more positive than that of the public. To narrow the perception gaps and enhance the public's perception, strategies involving changes in healthcare systems, promotional efforts, and educational initiatives should be developed. Additionally, strategies should be formulated for healthcare professionals to better engage as partners in patient care.
Language	English
Publishing date	2024-04-22
Publishing country	England
Document type	Journal Article
ZDB-ID	80296-7
ISSN	1473-4877 ; 0300-7995
ISSN (online)	1473-4877
ISSN	0300-7995
DOI	10.1080/03007995.2024.2346334
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Book ; Online: Uncertainty-Aware Shared Autonomy System with Hierarchical Conservative Skill Inference

Kim, Taewoo / Kim, Donghyung / Jang, Minsu / Kim, Jaehong

2023

Abstract: Shared autonomy imitation learning, in which robots share workspace with humans for learning, enables correct actions in unvisited states and the effective resolution of compounding errors through expert's corrections. However, it demands continuous ... ...

Abstract	Shared autonomy imitation learning, in which robots share workspace with humans for learning, enables correct actions in unvisited states and the effective resolution of compounding errors through expert's corrections. However, it demands continuous human attention and supervision to lead the demonstrations, without considering the risks associated with human judgment errors and delayed interventions. This can potentially lead to high levels of fatigue for the demonstrator and the additional errors. In this work, we propose an uncertainty-aware shared autonomy system that enables the robot to infer conservative task skills considering environmental uncertainties and learning from expert demonstrations and corrections. To enhance generalization and scalability, we introduce a hierarchical structure-based skill uncertainty inference framework operating at more abstract levels. We apply this to robot motion to promote a more stable interaction. Although shared autonomy systems have demonstrated high-level results in recent research and play a critical role, specific system design details have remained elusive. This paper provides a detailed design proposal for a shared autonomy system considering various robot configurations. Furthermore, we experimentally demonstrate the system's capability to learn operational skills, even in dynamic environments with interference, through pouring and pick-and-place tasks. Our code will be released soon. Comment: Submitted to ICRA 2024 and currently under review
Keywords	Computer Science - Robotics
Subject code	629
Publishing date	2023-12-04
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Qualitative Research in Healthcare: Necessity and Characteristics.

Pyo, Jeehee / Lee, Won / Choi, Eun Young / Jang, Seung Gyeong / Ock, Minsu

Journal of preventive medicine and public health = Yebang Uihakhoe chi

2023 Volume 56, Issue 1, Page(s) 12–20

Abstract: Quantitative and qualitative research explore various social phenomena using different methods. However, there has been a tendency to treat quantitative studies using complicated statistical techniques as more scientific and superior, whereas relatively ... ...

Abstract	Quantitative and qualitative research explore various social phenomena using different methods. However, there has been a tendency to treat quantitative studies using complicated statistical techniques as more scientific and superior, whereas relatively few qualitative studies have been conducted in the medical and healthcare fields. This review aimed to provide a proper understanding of qualitative research. This review examined the characteristics of quantitative and qualitative research to help researchers select the appropriate qualitative research methodology. Qualitative research is applicable in following cases: (1) when an exploratory approach is required on a topic that is not well known, (2) when something cannot be explained fully with quantitative research, (3) when it is necessary to newly present a specific view on a research topic that is difficult to explain with existing views, (4) when it is inappropriate to present the rationale or theoretical proposition for designing hypotheses, as in quantitative research, and (5) when conducting research that requires detailed descriptive writing with literary expressions. Qualitative research is conducted in the following order: (1) selection of a research topic and question, (2) selection of a theoretical framework and methods, (3) literature analysis, (4) selection of the research participants and data collection methods, (5) data analysis and description of findings, and (6) research validation. This review can contribute to the more active use of qualitative research in healthcare, and the findings are expected to instill a proper understanding of qualitative research in researchers who review qualitative research reports and papers.
MeSH term(s)	Humans ; Delivery of Health Care ; Qualitative Research ; Research Design
Language	English
Publishing date	2023-01-10
Publishing country	Korea (South)
Document type	Journal Article ; Review
ZDB-ID	2620879-9
ISSN	2233-4521 ; 2233-4521
ISSN (online)	2233-4521
ISSN	2233-4521
DOI	10.3961/jpmph.22.451
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Nurses’ adaptations to changes on a COVID-19 ward in South Korea

Won Lee / Jeehee Pyo / Minsu Ock / Seung Gyeong Jang / Eun Young Choi

Heliyon, Vol 9, Iss 3, Pp e13926- (2023)

A qualitative study

2023

Abstract: Background: Elucidating nurses’ adaptation to changes in the early stage of an infectious disease epidemic is necessary to promote nurses' coping with and adapting to situations in which new infectious diseases are predicted periodically. Aim: To explore ...

Abstract	Background: Elucidating nurses’ adaptation to changes in the early stage of an infectious disease epidemic is necessary to promote nurses' coping with and adapting to situations in which new infectious diseases are predicted periodically. Aim: To explore nurses’ adaptation to changes in COVID-19 wards in South Korea. Methods: In-depth interviews were conducted with 20 nurses through purposive sampling from May to August 2020. The collected data were transcribed verbatim, and analysis was performed using conventional content analysis. Findings: Three categories emerged from the interviews: (a) Disruption caused by an unforeseen pandemic outbreak, (b) perseverance through the turmoil of changes as a nurse, and (c) transition from feelings of fearfulness to those of accomplishment. While the nurses initially struggled to care for patients with COVID-19, they made conscious efforts to provide emotional nursing and maintain their professionalism. Discussion: Nurses caring for patients with COVID-19 have faced a number of challenges but have adapted to new scenarios by endeavoring to fulfil their professional roles. Conclusion: To overcome a national disaster situation such as COVID-19, the government and healthcare organizations should prepare strategies to support the efforts of nurses to strengthen their own professionalism.
Keywords	COVID-19 ; Nursing ; Experience ; South Korea ; Qualitative research ; Science (General) ; Q1-390 ; Social sciences (General) ; H1-99
Subject code	360
Language	English
Publishing date	2023-03-01T00:00:00Z
Publisher	Elsevier
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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