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| WoS | SCOPUS | Document Type | Document Title | Abstract | Authors | Affiliation | ResearcherID (WoS) | AuthorsID (SCOPUS) | Author Email(s) | Journal Name | JCR Abbreviation | ISSN | eISSN | Volume | Issue | WoS Edition | WoS Category | JCR Year | IF | JCR (%) | FWCI | FWCI Update Date | WoS Citation | SCOPUS Citation | Keywords (WoS) | KeywordsPlus (WoS) | Keywords (SCOPUS) | KeywordsPlus (SCOPUS) | Language | Publication Stage | Publication Year | Publication Date | DOI | JCR Link | DOI Link | WOS Link | SCOPUS Link |
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| ○ | ○ | Article | Structural, paramagnetic centres and luminescence investigations of the UV radiation-emitting BaZrO3:Gd³⁺ perovskite ceramic prepared via sol-gel route | Perovskite-type ceramic materials have been widely studied due to their potential use in such applications as electrical, thermal, optical, and immobilizing host materials in nuclear waste. In this work, Gd3+-doped BaZrO3 perovskite samples were prepared by sol-gel method and characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), electron paramagnetic resonance (EPR) spectroscopy, and photoluminescence (PL) analysis. Our XRD analysis confirmed the formation of the sol-gel products, and the SEM data implicated the prepared porous compound as the cause of the gases that evolved during the preparation. Upon excitation at 275 nm, the ceramic material displayed UVB emission at 315 nm (P-6(7/2) -> S-8(7/2)). The EPR technique was used to study the undoped and gadolinium-doped perovskite BaZrO3 ceramics. The lines in the undoped system were caused by two defect centers. Center I displayed an isotropic line with a g-factor of 1.973 and a linewidth of 48 Gauss, and the center was assigned to an F+ center. Center II exhibited an axially symmetric g-tensor with principal values g(parallel to) = 1.895 and g(perpendicular to) =1.978. This center was identified as the Zr3+ ion. The single dominant EPR line with an effective g-value of 1.976 that was observed in the Gd-doped system was attributed to the Gd3+ ion experiencing a weak cubic symmetry crystal field. | Singh, Vijay; Watanabe, S.; Rao, T. K. Gundu; Lakshminarayana, G. | Konkuk Univ, Dept Chem Engn, Seoul 05029, South Korea; Univ Sao Paulo, Inst Phys, BR-05508090 Sao Paulo, SP, Brazil; Kyungpook Natl Univ, Intelligent Construct Automat Ctr, 80 Daehak Ro, Daegu 41566, South Korea | 57205227140; 8049576200; 6602908329; 57194637883 | vijayjiin2006@yahoo.com; | MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | MATER SCI ENG B-ADV | 0921-5107 | 1873-4944 | 264 | SCIE | MATERIALS SCIENCE, MULTIDISCIPLINARY;PHYSICS, CONDENSED MATTER | 2021 | 3.407 | 44.2 | 0.44 | 2025-07-30 | 7 | 8 | Sol-gel; Perovskite; Ceramic; EPR; Gd3+ ions; BaZrO3; Defect centers | HYDROTHERMAL SYNTHESIS; COMBUSTION SYNTHESIS; BARIUM ZIRCONATE; GRAIN-BOUNDARIES; FUEL-CELL; PHOTOLUMINESCENCE; EMISSION; PHOSPHOR; PERFORMANCE; SPECTRA | BaZrO<sub>3</sub>; Ceramic; Defect centers; EPR; Gd<sup>3+</sup> ions; Perovskite; Sol-gel | Barium zirconate; Crystal symmetry; Defects; Electron spin resonance spectroscopy; Gadolinium compounds; Ions; Paramagnetic resonance; Paramagnetism; Scanning electron microscopy; Sol-gel process; Sol-gels; X ray diffraction; Ceramic; Defect centers; Gd3+ ion; Host materials; Paramagnetic centers; Perovskite ceramics; Perovskite type; Sol'gel; Sol-gel routes; Thermal-optical; Perovskite | English | 2021 | 2021-02 | 10.1016/j.mseb.2020.114971 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | Synthesis and Structural Analysis of Ternary Ca-Al-Fe Layered Double Hydroxides with Different Iron Contents | Hydrocalumite structured layered double hydroxides (LDHs) with various Fe3+ ratios were prepared through a coprecipitation method. In order to control the Fe3+ content in LDH, binary Ca-Fe LDHs were first synthesized with various Ca/Fe ratios. The X-ray diffraction pattern showed that only a limited Ca/Fe ratio resulted in LDH formation. The Fe3+ content in LDH was controlled by applying Al3+ while the divalent and trivalent metal ratio was set to 2. Through X-ray diffraction patterns, ternary LDHs with Ca-Al-Fe composition were successfully synthesized without significant impurities, with the Al increasing crystallinity. Quantification showed that Al moiety participated in the formation of the LDH framework more than Ca and Fe, implying a structural stabilization in the presence of Al. In order to investigate the global and local structure of Fe moiety in the LDH, both solid state UV-vis and X-ray absorption spectroscopies were carried out. Both spectroscopies revealed that the existence of Al induced slight local distortion in coordination but global crystal stabilization. | Xie, Jing; Gwak, Gyeong-Hyeon; Lee, Minseop; Paek, Seung-Min; Oh, Jae-Min | Dongguk Univ Seoul, Dept Energy & Mat Engn, Seoul 04620, South Korea; Yonsei Univ, Coll Sci & Technol, Dept Chem & Med Chem, Wonju 220710, South Korea; Korea Radioact Waste Agcy, 19 Chunghyochun, Gyeongju 38033, South Korea; Kyungpook Natl Univ, Dept Chem, Daegu 41566, South Korea | Paek, Seung-Min/E-4667-2011; Lee, Minseop/JVZ-7552-2024; Gwak, Gyeong-Hyeon/B-6680-2016 | 57219535555; 55452156500; 57201550392; 7102686289; 7402155053 | jingxie@dongguk.edu;ghgwak@korad.or.kr;shlee6697@knu.ac.kr;smpaek@knu.ac.kr;jaemin.oh@dongguk.edu; | CRYSTALS | CRYSTALS | 2073-4352 | 11 | 11 | SCIE | CRYSTALLOGRAPHY;MATERIALS SCIENCE, MULTIDISCIPLINARY | 2021 | 2.67 | 44.2 | 0.46 | 2025-07-30 | 8 | 10 | layered double hydroxide; hydrocalumite; Fe content; Ca/Fe ratio; Ca-Al-Fe ternary LDH | HYDROTHERMAL SYNTHESIS; CATALYST; HYDROCALUMITE; CALCIUM; REMOVAL; WATER; INTERCALATION; NANOPARTICLES; NANOMATERIALS; CHLORIDE | Ca/Fe ratio; Ca–Al–Fe ternary LDH; Fe content; Hydrocalumite; Layered double hydroxide | English | 2021 | 2021-11 | 10.3390/cryst11111296 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | Thermodynamic Performance Analysis of Solar Based Organic Rankine Cycle Coupled with Thermal Storage for a Semi-Arid Climate | This study focuses on the thermodynamic performance analysis of the solar organic Rankine cycle (SORC) that uses solar radiation over a moderate temperature range. A compound parabolic collector (CPC) was adjusted to collect solar radiation because of its long-lasting nature and featured low concentration ratios, which are favorable for moderate temperature applications. A thermal storage tank was fixed to preserve the solar energy and ensure the system's continuous performance during unfavorable weather. However, water was used as the heat transfer fluid and R245fa was used as the working fluid in this system. The performance in both the hottest and coldest months was analyzed using the average hourly profile in MATLAB using weather data from Riyadh, Saudi Arabia. Variations in the tank temperature during the charging and discharging modes were found. The hourly based thermal efficiency and net power output for both configurations were also compared. The results show that at 17:00, when the cycle was about to shut down, the thermal efficiency was 12.79% and the network output was 16 kW in July, whereas in January, the efficiency was similar to 12.80% and the net power output was 15.54 kW. | Almefreji, Nasser Mohammed A.; Khan, Babras; Kim, Man-Hoe | Kyungpook Natl Univ, Sch Mech Engn, Daegu 41566, South Korea; Kyungpook Natl Univ, IEDT, Daegu 41566, South Korea | 57223388348; 57223392939; 55686310000 | nasser.e1412@gmail.com;imbabraskhan@gmail.com;manhoe.kim@knu.ac.kr; | MACHINES | MACHINES | 2075-1702 | 9 | 5 | SCIE | ENGINEERING, ELECTRICAL & ELECTRONIC;ENGINEERING, MECHANICAL | 2021 | 2.899 | 44.2 | 0.39 | 2025-07-30 | 5 | 6 | solar cycle; CPC collector; thermal storage; thermodynamic performance; efficiency | ELECTRIC GENERATION; POWER-GENERATION; ENERGY; DESIGN; SYSTEM; OPTIMIZATION; DRIVEN | CPC collector; Efficiency; Solar cycle; Thermal storage; Thermodynamic performance | English | 2021 | 2021-05 | 10.3390/machines9050088 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||||
| ○ | ○ | Article | Working Speed Analysis of the Gear-Driven Dibbling Mechanism of a 2.6 kW Walking-Type Automatic Pepper Transplanter | The development of an automatic walking-type pepper transplanter could be effective in improving the mechanization rate in pepper cultivation, where the dibbling mechanism plays a vital role and determines planting performance and efficiency. The objective of this research was to determine a suitable working speed for a gear-driven dibbling mechanism appropriate for a pepper transplanter, while considering agronomic transplanting requirements. The proposed dibbling mechanism consisted of two dibbling hoppers that simultaneously collected free-falling seedlings from the supply mechanism and dibbled them into soil. To enable the smooth collection and plantation of pepper seedlings, analysis was carried out via a mathematical working trajectory model of the dibbling mechanism, virtual prototype simulation, and validation tests, using a physical prototype. In the mathematical model analysis and simulation, a 300 mm/s forward speed of the transplanter and a 60 rpm rotational speed of the dibbling mechanism were preferable in terms of seedling uprightness and low mulch film damage. During the field test, transplanting was conducted at a 40 mm planting depth, using different forward speed levels. Seedlings were freely supplied to the hopper from a distance of 80 mm, and the success rate for deposition was 96.79%. A forward speed of 300 mm/s with transplanting speed of 120 seedlings/min was preferable in terms of achieving a high degree of seedling uprightness (90 +/- 3.26), a low rate of misplanting (8.19%), a low damage area on mulch film (2341.95 +/- 2.89 mm(2)), high uniformity of planting depth (39.74 +/- 0.48 mm), and low power consumption (40.91 +/- 0.97 W). | Iqbal, Md Zafar; Islam, Md Nafiul; Iqbal, Md Zafar; Islam, Md Nafiul; Park, Tusan; Kim, Yong-Joo; Chung, Sun-Ok | Texas A&M Univ, Coll Agr & Life Sci, Dept Biol & Agr Engn, College Stn, TX 77843 USA; Chungnam Natl Univ, Grad Sch, Dept Agr Machinery Engn, Daejeon 34134, South Korea; Chungnam Natl Univ, Grad Sch, Dept Smart Agr Syst, Daejeon 34134, South Korea; Kyungpook Natl Univ, Dept Bioind Machinery Engn, Coll Agr & Life Sci, Daegu 41566, South Korea; Kyungpook Natl Univ, Smart Agr Innovat Ctr, Daegu 41566, South Korea | ; Islam, Md Nafiul/JVN-1638-2024; Iqbal, Md Zafar/AAN-2567-2021; Kim, Yong-Joo/AAK-1840-2021; Chowdhury, Milon/AAJ-8972-2021; Park, Tusan/C-2057-2012 | 57213578034; 57218177002; 56409077200; 59080168000; 57202780408; 57204759454; 7404293469 | z_iqbal@tamu.edu;nafiulislam@cnu.ac.kr;chowdhurym90@cnu.ac.kr;tusan.park@knu.ac.kr;babina@cnu.ac.kr;sochung@cnu.ac.kr; | MACHINES | MACHINES | 2075-1702 | 9 | 1 | SCIE | ENGINEERING, ELECTRICAL & ELECTRONIC;ENGINEERING, MECHANICAL | 2021 | 2.899 | 44.2 | 1.64 | 2025-07-30 | 22 | 23 | field machinery; transplanter; pepper; dibbling mechanism; working speed analysis | VEGETABLE TRANSPLANTER; OPTIMIZED DESIGN; MACHINE; DEVICE | Dibbling mechanism; Field machinery; Pepper; Transplanter; Working speed analysis | English | 2021 | 2021-01 | 10.3390/machines9010006 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | Insomnia moderates the association between recurrent seizures and emotional instability in persons with epilepsy | Purpose: We investigated the moderating effect of sleep disturbance on the association between seizure recurrence and emotional instability in patients with epilepsy, independent of psychological distress. Methods: This was a cross-sectional study. Patients completed the short form of the Affective Lability Scale (ALS-18), Insomnia Severity Index (ISI), Patient Health Questionnaire-9 (PHQ-9), and Generalized Anxiety Disorder-7 (GAD-7). A stepwise linear regression analysis and an analysis of covariance with an interaction term were performed. Results: A total of 171 subjects (63.2% men) were included. The mean ALS-18 score was 15.6 +/- 11.3. An ISI >= 15, PHQ-9 >= 10, and GAD-7 >= 7 were noted in 20.5%, 18.1%, and 23.4% of subjects, respectively. A stepwise linear regression analysis found that recurrent seizures in the last year, an ISI >= 15, a GAD 7 >= 7, and use of levetiracetam were significant and independent factors that were positively associated with higher ALS-18 scores. The coefficient of determination for the model was 0.331. The interaction between recurrent seizures and an ISI >= 15 had a significant effect on the ALS-18 scores (F = 6.812, p = 0.010, partial eta(2) = 0.040). An ISI >= 15 was associated with ALS-18 scores in patients without seizure recurrence (p = 15 (p = 0.360). Conclusions: The significant interaction between insomnia and seizure status may have an effect on emotional instability. These findings have clinical implications in the development of potential interventions for emotional instability in patients with epilepsy. (C) 2021 Elsevier Inc. All rights reserved. | Lee, Sang-Ahm; Choi, Eun Ju; Jeon, Ji-Ye; Han, Su-Hyun; Kim, Hyun-Woo; Lee, Gha-Hyun; Ryu, Han Uk; Im, Kayeong; Yang, Ha-Rin | Univ Ulsan, Coll Med, Asan Med Ctr, Dept Neurol, Seoul, South Korea; Kyungpook Natl Univ, Sch Med, Chilgok Hosp, Dept Neurol, Daegu, South Korea; Chung Ang Univ, Coll Med, Dept Neurol, Seoul, South Korea; Pusan Natl Univ, Sch Med, Yangsan Hosp, Dept Neurol, Yangsan, South Korea; Pusan Natl Univ Hosp, Biomed Res Inst, Dept Neurol, Busan, South Korea; Jeonbuk Natl Univ, Sch Med & Hosp, Dept Neurol, Jeonju, South Korea; Jeonbuk Natl Univ, Sch Med & Hosp, Res Inst Clin Med, Jeonju, South Korea | Lee, Dong/J-2778-2012; Lee, Gha-hyun/HHN-8692-2022 | 57190211641; 56309158700; 57194943660; 12784871800; 57226027023; 37661749600; 56516063800; 57203142989; 57218584154 | salee@amc.seoul.kr; | EPILEPSY & BEHAVIOR | EPILEPSY BEHAV | 1525-5050 | 1525-5069 | 125 | SCIE | BEHAVIORAL SCIENCES;CLINICAL NEUROLOGY;PSYCHIATRY | 2021 | 3.337 | 44.3 | 0.37 | 2025-07-30 | 3 | 4 | Epilepsy; Emotional instability; Affective lability; Insomnia; Sleep disturbance; Levetiracetam | INTERICTAL DYSPHORIC DISORDER; ILAE COMMISSION; POSITION PAPER; DOUBLE-BLIND; SEVERITY; VALIDATION; MOOD; CLASSIFICATION; AGGRESSION; DEFINITION | Affective lability; Emotional instability; Epilepsy; Insomnia; Levetiracetam; Sleep disturbance | Cross-Sectional Studies; Depression; Epilepsy; Female; Humans; Male; Seizures; Sleep Initiation and Maintenance Disorders; levetiracetam; adult; Affective Lability Scale 18; Article; disease association; distress syndrome; epilepsy; female; human; insomnia; Insomnia Severity Index; major clinical study; male; mental disease assessment; mental instability; Patient Health Questionnaire 9; seizure; sleep disorder; complication; cross-sectional study; depression; seizure | English | 2021 | 2021-12 | 10.1016/j.yebeh.2021.108414 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Natural course of fat necrosis after breast reconstruction: a 10-year follow-up study | BackgroundAlthough fat necrosis is a minor postoperative complication after breast reconstruction, occasionally it mimics to tumor recurrence in patients with breast cancer. Therefore, the surgeon should distinguish between benign fat necrosis and true local recurrence. The authors evaluated the clinical characteristics of fat necrosis after breast reconstruction and investigated the natural course of fat necrosis.MethodsBetween 2007 and 2013, a total of 362 patients underwent breast reconstruction after partial or total mastectomy for breast cancer in Kyungpook National University Hospital. Clinicopathologic characteristics and the occurrence of fat necrosis were assessed during surveillance for 10years of mean follow-up period.ResultsThere were 42 cases (11.6%) of fat necrosis after breast reconstruction with partial or total mastectomy which were confirmed by needle or excision biopsy. The fat necrosis was resolved after a mean period of 45.9months (SD, 42.1) and 26 cases (61.9%) of fat necrosis were almost completely resolved (less than 5mm) during 10-year follow-up period.Conclusion Based on the natural course of fat necrosis, the fat necrosis after breast reconstruction can be only monitored, if pathologic confirmation was done. More than half of the cases will be resolved within 2-3years. | Lee, Jeeyeon; Park, Ho Yong; Kim, Wan Wook; Lee, Jeong Ju; Keum, Hee Jung; Yang, Jung Dug; Lee, Jeong Woo; Lee, Joon Seok; Jung, Jin Hyang | Kyungpook Natl Univ, Chilgok Hosp, Sch Med, Dept Surg, Hoguk Ro 807, Daegu 41404, South Korea; Boonhongbitzro Hosp, Dept Surg, Daegu, South Korea; Kyungpook Natl Univ, Chilgok Hosp, Sch Med, Dept Plast & Reconstruct Surg, Daegu, South Korea; Kyungpook Natl Univ, Kyungpook Natl Univ Hosp, Sch Med, Dept Plast & Reconstruct Surg, Daegu, South Korea | LEE, JIN/Q-3108-2018; PARK, JUN-YOUNG/P-5981-2015; Lee, Jeong-Hoon/Q-1055-2018; Yang, Jung/R-7806-2019 | 37079213100; 56564377200; 26023273400; 57222001010; 57221998716; 55171704700; 55892173700; 56496041000; 57209310173 | jjh01@knu.ac.kr; | BMC CANCER | BMC CANCER | 1471-2407 | 21 | 1 | SCIE | ONCOLOGY | 2021 | 4.638 | 44.3 | 1.39 | 2025-07-30 | 26 | 24 | Breast; Carcinoma; Breast reconstruction; Fat necrosis | Breast; Breast reconstruction; Carcinoma; Fat necrosis | Breast Neoplasms; Fat Necrosis; Female; Follow-Up Studies; Humans; Mammaplasty; Mastectomy; Middle Aged; Postoperative Complications; Prognosis; Republic of Korea; Retrospective Studies; adult; Article; body mass; breast cancer; breast reconstruction; clinical assessment; clinical evaluation; clinical feature; controlled study; excisional biopsy; fat necrosis; female; follow up; human; hypertension; major clinical study; male; middle aged; partial mastectomy; simple mastectomy; tumor recurrence; tumor volume; adverse event; breast reconstruction; breast tumor; fat necrosis; mastectomy; pathology; postoperative complication; prognosis; retrospective study; South Korea | English | 2021 | 2021-02-16 | 10.1186/s12885-021-07881-x | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | Response to neoadjuvant chemotherapy based on pathologic complete response in very young patients with ER-positive breast cancer: a large, multicenter, observational study | Background In estrogen receptor (ER)-positive breast cancer (BC), young age is associated with poor prognosis. While very young patients respond better to chemotherapy, chemotherapy is less effective in ER-positive tumors than in ER-negative tumors. The authors tried to evaluate chemotherapy response of very young patients with ER-positive BC by pathologic complete response (pCR) after neoadjuvant chemotherapy excluding the effect of endocrine treatment to the extent possible. Methods We collected individual patient data from 1992 to 2013 from the Korean Breast Cancer Society (KBCS). Total 1048 ER-positive and 797 ER-negative patients aged < 50 years who had been treated with neoadjuvant chemotherapy were included for analysis. We compared pCR rate between patients aged < 35 years with ER-positive tumors and the other groups. Results The proportion of patients aged < 35 years was 14.0% of patients with ER-positive BC in this cohort of under 50 years old, and 16.8% of patients with ER-negative BC in this cohort of under 50 years old. Although most characteristics of tumors according to age were comparable, tumors with high Ki-67 expression were more common in patients aged < 35 years than in patients aged 35-49 years in both ER-positive and -negative group (P = 0.001). Breast conservation rates were not significantly different according to age (44.2% vs. 46.8% in ER-positive group, 55.2% vs. 48.0% in ER-negative group). pCR rate was not different according to age in ER-positive group (P = 0.71) but significantly better in patients aged < 35 years in ER-negative group (P = 0.009). After adjusting for confounding variables, young patients maintained the higher probability of pCR than older patients in ER-negative tumors. However, pCR rate did not differ according to age in ER-positive tumors. In multivariate analysis, young age (< 35 years) was correlated with poor overall survival (P = 0.003, HR = 1.98) and there was only one event in a few patients achieved pCR in ER-positive group. Conclusions Chemotherapy response based on pCR was not better in young patients (< 35 years) with ER-positive BC than in older premenopausal patients with non-metastatic ER-positive BC. Young age cannot be a predictive factor of response to neoadjuvant chemotherapy in ER-positive BC. Different biological characteristics such as high proliferative index should be considered. | Woo, Joohyun; Oh, Se Jeong; Song, Jeong-Yoon; Chae, Byung Joo; Choi, Jung Eun; Lee, Jeeyeon; Park, Heung Kyu; Lim, Woosungf | Ewha Womans Univ, Coll Med, Mokdong Hosp, Dept Surg, 1071 Anyangcheon Ro, Seoul 07985, South Korea; Catholic Univ Korea, Coll Med, Dept Surg, Incheon, South Korea; Kyung Hee Univ Hosp Gangdong, Dept Surg, Seoul, South Korea; Sungkyunkwan Univ, Sch Med, Samsung Med Ctr, Dept Surg,Div Breast Surg, Seoul, South Korea; Yeungnam Univ Hosp, Dept Surg, Deagu, South Korea; Kyungpook Natl Univ, Sch Med, Dept Surg, Daegu, South Korea; Gachon Univ, Gil Med Ctr, Dept Breast Surg, Incheon, South Korea | ; Park, Joohyun/KAL-8175-2024 | 56211277800; 35201550700; 24177577800; 26429065700; 59042354800; 37079213100; 23493632300; 27167744500 | limw@ewha.ac.kr; | BMC CANCER | BMC CANCER | 1471-2407 | 21 | 1 | SCIE | ONCOLOGY | 2021 | 4.638 | 44.3 | 0.46 | 2025-07-30 | 8 | 8 | Breast cancer; Young patients; Neoadjuvant chemotherapy; ER-positive; Pathologic complete response | ESTROGEN-RECEPTOR; PROGNOSTIC-FACTOR; WOMEN; AGE; SUPPRESSION; TAMOXIFEN; SURVIVAL; THERAPY; TRIAL | Breast cancer; ER-positive; Neoadjuvant chemotherapy; Pathologic complete response; Young patients | Adult; Age Factors; Antineoplastic Combined Chemotherapy Protocols; Biomarkers, Tumor; Breast; Breast Neoplasms; Female; Humans; Kaplan-Meier Estimate; Mastectomy; Middle Aged; Neoadjuvant Therapy; Prognosis; Receptors, Estrogen; Treatment Outcome; anthracycline; Ki 67 antigen; trastuzumab; antineoplastic agent; estrogen receptor; tumor marker; adult; Article; axillary lymph node dissection; breast-conserving surgery; cancer prognosis; cohort analysis; controlled study; estrogen receptor negative breast cancer; estrogen receptor positive breast cancer; female; human; major clinical study; mastectomy; neoadjuvant chemotherapy; observational study; overall survival; postmenopause; predictive value; proliferation index; retrospective study; sentinel lymph node biopsy; South Korean; treatment response; age; breast; breast tumor; clinical trial; Kaplan Meier method; metabolism; middle aged; mortality; multicenter study; neoadjuvant therapy; pathology; procedures; prognosis; surgery; treatment outcome | English | 2021 | 2021-05-31 | 10.1186/s12885-021-08355-w | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Sex differences in seizure effects on social anxiety in persons with epilepsy | Purpose: We investigated sex differences in the effect of seizures on social anxiety in persons with epilepsy. Method: In this cross-sectional multicenter study, social anxiety was measured using the short forms of the Social Phobia Scale (SPS-6) and Social Interaction Anxiety Scale (SIAS-6). SPS-6 scores > 9 and SIAS-6 scores > 12 were considered to indicate social phobia and social interaction anxiety, respectively. The Patient Health Questionnaire-9, Stigma Scale-Revised, and Family Adaptation-Partnership-Growth-Affe ction-Resolve scale were also completed. A logistic regression analysis with an interaction term was used to analyze the data. Results: Out of 285 participants, a SPS-6 score > 9 and a SIAS-6 score > 12 were noted in 62 (21.8%) and 36 (12.6%) of participants, respectively. There was no difference in the prevalence of social anxiety between men and women. Intractable seizures and lack of seizure freedom were associated with a SPS-6 score > 9 and a SIAS-6 score > 12, but statistical significance was lost in the adjusted models. However, intractable seizures and lack of seizure freedom significantly interacted with sex for a SPS-6 score > 9 (p = 0.018) and a SIAS-6 score > 12 (p = 0.048) in both the separate and adjusted models. Specifically, intractable seizures tended to be positively associated with SPS-6 scores > 9 than non intractable seizures in men only (odds ratio = 2.602, p = 0.068), whereas lack of seizure freedom tended to be negatively associated with SIAS-6 scores > 12 than seizure freedom in women only (odds ratio = 4.804, p = 0.053). Conclusion: We found significant sex differences in seizure effects on social anxiety. Intractable seizures were associated with social phobia in men, whereas lack of seizure freedom in the last year was associated with social interaction anxiety in women. (c) 2021 Elsevier Inc. All rights reserved. | Lee, Sang-Ahm; Cho, Yang-Je; Ryu, Han Uk; Kim, Keun Tae; Seo, Jong-Geun; Kang, Kyung Wook; Kim, Ji Eun; Kim, Young-Soo; Kim, Jung Bin; Hwang, Kyoung Jin; Han, Su-Hyun; Lee, Gha-Hyun; Shin, Dong Jin; Kim, Jee Hyun; Lee, Seo-Young | Univ Ulsan, Coll Med, Asan Med Ctr, Dept Neurol, 88,Olymp Ro 43 Gil, Seoul 138736, South Korea; Yonsei Univ, Coll Med, Dept Neurol, Seoul, South Korea; Jeonbuk Natl Univ, Sch Med & Hosp, Dept Neurol, Jeonju, South Korea; Jeonbuk Natl Univ, Sch Med & Hosp, Res Inst Clin Med, Jeonju, South Korea; Keimyung Univ, Sch Med, Dept Neurol, Daegu, South Korea; Kyungpook Natl Univ, Sch Med, Dept Neurol, Daegu, South Korea; Chonnam Natl Univ, Sch Med, Chonnam Natl Univ Hosp, Dept Neurol, Gwangju, South Korea; Daegu Catholic Univ, Sch Med, Dept Neurol, Daegu, South Korea; Gyeongsang Natl Univ, Sch Med, Gyeongsang Natl Univ Hosp, Dept Neurol, Jinju, South Korea; Korea Univ, Coll Med, Anam Hosp, Dept Neurol, Seoul, South Korea; Kyung Hee Univ, Sch Med, Dept Neurol, Seoul, South Korea; Chung Ang Univ, Coll Med, Dept Neurol, Seoul, South Korea; Pusan Natl Univ Hosp, Biomed Res Inst, Dept Neurol, Busan, South Korea; Gachon Univ, Gil Med Ctr, Dept Neurol, Incheon, South Korea; Ewha Womans Univ, Coll Med, Seoul Hosp, Dept Neurol, Seoul, South Korea; Kangwon Natl Univ, Sch Med, Dept Neurol, Chunchon, South Korea | ; Lee, Yoojin/AAB-9799-2022; Lee, Gha-hyun/HHN-8692-2022; Lee, Dong/J-2778-2012; Kim, Keun Tae/IQU-1105-2023; Kim, Jee Hyun/LCE-2449-2024; Kang, Kyung Wook/AGG-1331-2022 | 57190211641; 8731005700; 56516063800; 57204465615; 16040307500; 57211333312; 55720222600; 57061234200; 53264153700; 56357078600; 12784871800; 37661749600; 59502750400; 55932113900; 35262340000 | salee@amc.seoul.kr; | EPILEPSY & BEHAVIOR | EPILEPSY BEHAV | 1525-5050 | 1525-5069 | 124 | SCIE | BEHAVIORAL SCIENCES;CLINICAL NEUROLOGY;PSYCHIATRY | 2021 | 3.337 | 44.3 | 0.46 | 2025-07-30 | 5 | 5 | Epilepsy; Sex difference; Seizure frequency; Social anxiety; Social interaction anxiety; Social phobia | PSYCHIATRIC COMORBIDITY; GENDER-DIFFERENCES; DEPRESSION; DISORDERS; PHOBIA; PEOPLE; POPULATION; IMPACT | Epilepsy; Seizure frequency; Sex difference; Social anxiety; Social interaction anxiety; Social phobia | anticonvulsive agent; adult; Article; controlled study; cross-sectional study; epileptic patient; Family Adaptation Partnership Growth Affection Resolve scale; female; human; intractable epilepsy; major clinical study; male; multicenter study (topic); odds ratio; patient health questionnaire; prevalence; psychological rating scale; seizure; sex difference; social anxiety; social interaction; Social Interaction Anxiety Scale; social phobia; Social Phobia Scale; Stigma Scale Revised | English | 2021 | 2021-11 | 10.1016/j.yebeh.2021.108318 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Short-term serial assessment of electronic patient-reported outcome for depression and anxiety in breast Cancer | Purpose The incidence of depression and anxiety is higher in patients with breast cancer than in the general population. We evaluated the degree of depression and anxiety and investigated the changes in patients with breast cancer during the treatment period and short-term follow-up period. Methods Overall, 137 patients with breast cancer were evaluated using the Patient Health Questionnaire 9-item depression scale (PHQ-9) and Generalized Anxiety Disorder scale (GAD-7). The scales were developed as a web-based electronic patient-reported outcome measure, and serial results were assessed before the operation, after the operation, in the post-treatment period, and in the 6-month follow-up period after surgery. Results The degree of depression and anxiety increased during treatment and decreased at 6-month follow-up, even if there were no statistical differences among the four periods (PHQ-9: p = 0.128; GAD-7: p = 0.786). However, daily fatigue (PHQ-9 Q4) and insomnia (PHQ-9 Q3) were the most serious problems encountered during treatment and at 6-month follow-up, respectively. In the GAD-7, worrying too much (Q3) consistently showed the highest scores during the treatment and follow-up periods. Of the patients, 7 (5.11%) and 11 (8.03%) patients had a worsened state of depression and anxiety, respectively, after treatment compared with before treatment. Conclusion Most factors associated with depression and anxiety improved after treatment. However, factors such as insomnia and worrying too much still disturbed patients with breast cancer, even at 6-month follow-up. Therefore, serial assessment of depression and anxiety is necessary for such patients. | Lee, Jeeyeon; Jung, Jin Hyang; Kim, Wan Wook; Kang, Byeongju; Woo, Jungmin; Rim, Hyo-Deog; Chae, Yee Soo; Lee, Soo Jung; Kim, Gi Hwan; Lee, Won Kee; Park, Ho Yong | Kyungpook Natl Univ, Chilgok Hosp, Sch Med, Dept Surg, Daegu 41404, South Korea; Kyungpook Natl Univ, Kyungpook Natl Univ Hosp, Sch Med, Dept Psychiat, Daegu, South Korea; Kyungpook Natl Univ, Chilgok Hosp, Sch Med, Dept Hematol Oncol, Daegu, South Korea; Clupea Inc, Daegu, South Korea; Kyungpook Natl Univ, Sch Med, Dept Med Informat, Daegu, South Korea | Lee, Jong-Mok/KVY-9550-2024; PARK, JUN-YOUNG/P-5981-2015 | 37079213100; 57209310173; 26023273400; 57279815300; 56241307600; 15768078500; 57190793908; 57203597252; 57215971280; 22953484700; 56564377200 | phy123@knu.ac.kr; | BMC CANCER | BMC CANCER | 1471-2407 | 21 | 1 | SCIE | ONCOLOGY | 2021 | 4.638 | 44.3 | 0.33 | 2025-07-30 | 7 | 6 | Breast cancer; Depression; Anxiety; Serial assessment | HEALTH QUESTIONNAIRE; DIAGNOSTIC-ACCURACY; DISORDER; SCALE; VALIDATION; VALIDITY; PHQ-9 | Anxiety; Breast cancer; Depression; Serial assessment | Anxiety; Body Mass Index; Breast Neoplasms; Depression; Electronic Health Records; Fatigue; Female; Follow-Up Studies; Humans; Middle Aged; Patient Reported Outcome Measures; Sleep Initiation and Maintenance Disorders; Surveys and Questionnaires; Time Factors; antineoplastic agent; adjuvant radiotherapy; adult; anxiety disorder; Article; breast cancer; breast surgery; cancer adjuvant therapy; cancer hormone therapy; cancer therapy; client server application; controlled study; depression; disease association; disease severity; fatigue; female; follow up; Generalized Anxiety Disorder Scale; human; insomnia; major clinical study; Patient Health Questionnaire 9; patient-reported outcome; South Korea; university hospital; anxiety; body mass; breast tumor; depression; electronic health record; fatigue; follow up; insomnia; middle aged; psychology; questionnaire; time factor | English | 2021 | 2021-09-29 | 10.1186/s12885-021-08771-y | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Effect of Temperature on the Electrical and Current Transport Properties of Au/Nd2O3/n-GaN Metal/Interlayer/Semiconductor (MIS) Junction | The Au/Nd2O3/n-type GaN metal/interlayer/semiconductor (MIS) junctions were fabricated with high-k rare-earth oxide interlayer and explored its electrical properties in the wide temperature range of 150-400 K. An anomalous decrease in barrier height and an increase in the ideality factor with a decrease in the temperature were observed. The anomalous barrier height and ideality factor are ascribed to a role of barrier inhomogeneities at the interface of MIS junction assuming a double Gaussian distribution of barrier heights in the temperature ranges of 150-225 K and 225-400 K. Double Gaussian distribution giving mean barrier heights of 0.84 eV and 1.23 eV and standard deviations of 0.0085 V and 0.0187 V for the two temperature regions. A modified conventional energy plot gives mean barrier height Phi bo and Richardson constant (A*) as 0. eV and 13.44 Acm(-2) K-2 (150-225 K) and 1.23 eV and 22.85 Acm(-2) K-2 (250-400 K), respectively. The estimated A* value in the temperature range of 250-400 K was closely matched with the theoretical value of n-type GaN. Moreover, results express that the obtained interface state density of the MIS junction decreases with increasing temperature. Results explained that the reverse current conduction governed by Poole-Frenkel emission at the temperature range of 150-225 K and Schottky emission at 250-400 K, respectively. | Reddy, M. Siva Pratap; Park, Herie; Reddy, V. Rajagopal | Kyungpook Natl Univ, Sch Elect Engn, Daegu 41566, South Korea; Hanyang Univ, Div Elect & Biomed Engn, 222 Wangsimni Ro, Seoul 04763, South Korea; Sri Venkateswara Univ, Dept Phys, Tirupati 517502, Andhra Pradesh, India | V, Rajagopal Reddy/AFK-1413-2022 | 55422639100; 24279191100; 58070251100 | park.herie@gmail.com;reddy_vrg@rediffmail.com; | APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | APPL PHYS A-MATER | 0947-8396 | 1432-0630 | 127 | 2 | SCIE | MATERIALS SCIENCE, MULTIDISCIPLINARY;PHYSICS, APPLIED | 2021 | 2.983 | 44.4 | 0.39 | 2025-07-30 | 8 | 8 | Rare-earth oxide; Nd2O3 interlayer; n-GaN; inhomogeneities; Electrical properties; Current conduction mechanism | Current conduction mechanism; Electrical properties; n-GaN; inhomogeneities; Nd<sub>2</sub>O<sub>3</sub> interlayer; Rare-earth oxide | Gallium nitride; Gaussian distribution; Gold compounds; III-V semiconductors; Neodymium compounds; Rare earths; Temperature; Barrier inhomogeneities; Current transport properties; Effect of temperature; Increasing temperatures; Interface state density; Richardson constant; Temperature regions; Wide temperature ranges; Interface states | English | 2021 | 2021-01-28 | 10.1007/s00339-021-04302-5 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Embedding of 50%PVA/50%PVP blend with Sn0.75M0.25S2, (M = Y, Fe, Cr, V); structural and optical study | Blended polymers, polyvinyl alcohol (PVA)/polyvinyl pyrrolidone (PVP), embedded with nano Sn0.75M0.25S2, (M = Y, Fe, Cr, V) were prepared using thermolysis and casting procedures. Rietveld refinement was used to investigate the structure and microstructure of the powder nano-filler Sn0.75M0.25S2, (M = Y, Fe, Cr, V). SEM images of 50%PVA/50%PVP doped with the powder samples revealed a homogeneous distribution of the nano-filler over the polymer blend. X-ray diffraction patterns exhibited small degree of crystallinity coupled with a diffuse scattering referring to an amorphous phase. Transmission FTIR spectra confirmed the incorporation of nano-filler into the blend matrix. The effect of nano-filler on the transmittance, optical absorption coefficient, extinction coefficient, refractive index, the optical bandgap, Urbach energy, steepness parameter, optical conductivity, the real and imaginary parts of the dielectric constant of the 50%PVA/50%PVP blend was studied using UV-vis spectrophotometry technique. Fluorescence (FL) spectra analysis revealed that the emitted color and Fl intensity depended on the kind of nano-filler and excitation wavelength. | El-naggar, A. M.; Heiba, Zein K.; Mohamed, Mohamed Bakr; Kamal, A. M.; Osman, M. M.; Albassam, A. A.; Lakshminarayana, G. | King Saud Univ, Coll Sci, Phys & Astron Dept, POB 2455, Riyadh 11451, Saudi Arabia; Ain Shams Univ, Fac Sci, Phys Dept, Cairo, Egypt; Al Azhar Univ, Fac Sci, Phys Dept, Boys Branch, Cairo, Egypt; KACARE Energy Res & Innovat Ctr Riyadh, Riyadh, Saudi Arabia; Kyungpook Natl Univ, Intelligent Construct Automat Ctr, 80 Daehak Ro, Daegu 41566, South Korea | El-Naggar, Ahmed/H-9098-2018; Mohamed, Mohamed/P-2194-2014; Osman, Muhammad/ABB-1026-2021; Mohamed, Mohamed Bakr/P-2194-2014 | 7201947258; 6602591867; 37018029400; 36719759500; 57225724020; 35306540300; 57194637883 | mbm1977@yahoo.com; | APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | APPL PHYS A-MATER | 0947-8396 | 1432-0630 | 127 | 10 | SCIE | MATERIALS SCIENCE, MULTIDISCIPLINARY;PHYSICS, APPLIED | 2021 | 2.983 | 44.4 | 1.82 | 2025-07-30 | 41 | 41 | Nanocomposite polymer; PVA; PVP blend; Doped polymers; Optical | NANOCOMPOSITE; ELECTROLYTE; PVA/PVP; NANO | Doped polymers; Nanocomposite polymer; Optical; PVA/PVP blend | Crystallinity; Fillers; Fourier transform infrared spectroscopy; Light absorption; Optical conductivity; Polymer blends; Refractive index; Rietveld refinement; Degree of crystallinity; Excitation wavelength; Extinction coefficients; Homogeneous distribution; Optical absorption coefficients; Poly (vinyl alcohol) (PVA); Structure and microstructures; VIS spectrophotometry; Filled polymers | English | 2021 | 2021-10 | 10.1007/s00339-021-04905-y | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | Improved Nerve Visualization in Head and Neck Surgery Using Mueller Polarimetric Imaging: Preclinical Feasibility Study in a Swine Model | Background and Objectives Meticulous dissection and identification of nerves during head and neck surgery are crucial for preventing nerve damage. At present, nerve identification relies heavily on the surgeon's knowledge of anatomy, optionally combined with intraoperative neuromonitoring. Recently, optical techniques such as Mueller polarimetric imaging (MPI) have shown potential to improve nerve identification. Study Design/Materials and Methods With institutional approval, seven 25-35 kg Yorkshire pigs underwent cervical incision in the central neck. Intraoperative images were obtained using our in-house MPI system. Birefringence maps from the MPI system were processed to quantify the values between 0 and 255 from different tissue types; an active contour model was applied to further improve nerve visualization on the corresponding color images. Results Among the seven pigs, the vagus nerves and recurrent laryngeal nerves were successfully differentiated with a mean intensity of 130.954 +/- 20.611, which was significantly different (P < 0.05) from those of arteries (78.512 +/- 27.78) and other surrounding tissues (82.583 +/- 35.547). There were no imaging-related complications during the procedure. (c) 2021 Wiley Periodicals LLC. Conclusions MPI is a potentially complementary intraoperative tool for nerve identification in adjacent tissues. | Ning, Bo; Kim, Wan Wook; Katz, Itai; Park, Chung Hyuk; Sandler, Anthony D.; Cha, Jaepyeong | Natl Childrens Hosp, Sheikh Zayed Inst Pediat Surg Innovat, 111 Michigan Ave NW, Washington, DC 20010 USA; Kyungpook Natl Univ, Dept Surg, Chilgok Hosp, 807 Hoguk Ro, Daegu 41404, South Korea; George Washington Univ, Dept Biomed Engn, 800 22nd St NW, Washington, DC 20052 USA; George Washington Univ, Dept Pediat, Sch Med & Hlth Sci, 2300 1 St NW, Washington, DC 20052 USA | Cha, Jaepyeong/B-8931-2014; Cha, Jaepyeong/AAA-3298-2019 | 56591895200; 26023273400; 57223906263; 36080995200; 35553413600; 55542319800 | JCHA2@childrensnational.org; | LASERS IN SURGERY AND MEDICINE | LASER SURG MED | 0196-8092 | 1096-9101 | 53 | 10 | SCIE | DERMATOLOGY;SURGERY | 2021 | 2.703 | 44.4 | 0.47 | 2025-07-30 | 4 | 4 | head and neck surgery; imaging polarimetry; peripheral nerves; recurrent laryngeal nerve; thyroidectomy | INJURIES | head and neck surgery; imaging polarimetry; peripheral nerves; recurrent laryngeal nerve; thyroidectomy | Animals; Feasibility Studies; Neck; Recurrent Laryngeal Nerve; Swine; Thyroidectomy; animal experiment; animal model; animal tissue; Article; controlled study; diagnostic imaging; feasibility study; female; head and neck surgery; image analysis; imaging; in vivo study; Mueller polarimetric imaging; nerve injury; nerve visualization; neuromonitoring; nonhuman; polarimetry; porcine model; preclinical study; quantitative analysis; recurrent laryngeal nerve; thyroidectomy; vagus nerve; validation study; Yorkshire pig; animal; case report; diagnostic imaging; neck; pig; recurrent laryngeal nerve; surgery; thyroidectomy | English | 2021 | 2021-12 | 10.1002/lsm.23422 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | Room temperature ferromagnetism and enhanced photocatalytic activity of ZnO:Ga nanorods | In the present report, we represent on synthesis of pristine ZnO and ZnO:Ga nanorods by a simple and economical hydrothermal method. Comprehensive structural analyses revealed that the Ga dopant ions were effectively penetrated the ZnO parent matrix. Morphological analysis illustrated that the synthesized samples belonged to one-dimensional nanostructures such as nanorods. Optical studies revealed the substitution of the Ga dopant into the host lattice and reduction of the optical bandgap. Enhanced luminescence characteristics were observed in the pristine ZnO nanorods through photoluminescence spectroscopic analysis. Magnetic hysteresis loops indicated that both, the pristine ZnO and ZnO:Ga nanorods, exhibited strong ferromagnetic characteristics. Photocatalytic studies revealed that the ZnO:Ga nanorods exhibited enhanced photocatalytic activity than the pristine ZnO, by degrading methyl orange (MO) in aqueous media under UV light irradiation. | Poornaprakash, B.; Subramanyam, K.; Vattikuti, S. V. Prabhakar; Kumar, Mirgender; Kim, Y. L.; Mallem, Siva Pratap Reddy | Gangneung Wonju Natl Univ, Dept Elect Engn, Kangnung 25457, South Korea; Siddharth Inst Engn & Technol, Dept Phys, Puttur 517583, India; Yeungnam Univ, Sch Mech Engn, Gyongsan 38541, South Korea; Yeungnam Univ, Dept Elect Engn, Gyongsan 38541, South Korea; Kyungpook Natl Univ, Sch Elect Engn, Daegu 41566, South Korea | ; VATTIKUTI, S/I-5237-2019; Kim, Yong-Lim/AGK-3172-2022 | 53064430100; 56200107300; 35300478500; 56243663400; 35096358900; 55422639100 | mkshekhawat22@gmail.com;ylkim@gwnu.ac.kr;dr.mspreddy@gmail.com; | APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | APPL PHYS A-MATER | 0947-8396 | 1432-0630 | 127 | 1 | SCIE | MATERIALS SCIENCE, MULTIDISCIPLINARY;PHYSICS, APPLIED | 2021 | 2.983 | 44.4 | 0.17 | 2025-07-30 | 5 | 3 | Ga-doped ZnO; Nanorods; Magnetic properties; Photocatalytic degradation | GA-DOPED ZNO; MAGNETIC-PROPERTIES; SEMICONDUCTORS; ORDER; TIO2 | Ga-doped ZnO; Magnetic properties; Nanorods; Photocatalytic degradation | Azo dyes; Ferromagnetism; Gallium; Gallium compounds; Hydrothermal synthesis; II-VI semiconductors; Nanorods; Optical lattices; Spectroscopic analysis; Dopant ions; Ga Dopants; Ga-doped ZnO; Hydrothermal methods; matrix; Morphological analysis; Photocatalytic activities; Photocatalytic degradation; Simple++; Synthesised; Zinc oxide | English | 2021 | 2021-01 | 10.1007/s00339-020-04201-1 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | Self-healing functionalization of sulfonated hafnium oxide and copper oxide nanocomposite for effective biocidal control of multidrug-resistant bacteria | The intensive use of antibiotics in hospitals, poultry, and other industries has led to the emergence of bacteria resistant to most commercially available antibiotics. These antibiotic-resistant bacteria (ARB) are being released into the aquatic environment and could cause serious health issues. In this study, multidrug-resistant bacteria (MDR) were isolated from the effluent of secondary process (activated sludge) in full-scale hospital wastewater treatment plants (HWWTPs). These bacterial isolates were tested against commercially available antibiotics to explore their resistance profile. Sulfonated hafnium oxide-doped CuO nanoparticles (Cu/SHfNP) were synthesized to improve the antibacterial and antibiofilm activities of hafnium against Gram-negative (Enterobacter asburiae, Escherichia coli, and Pseudomonas aeruginosa PA01) and Gram-positive (Staphylococcus aureus ATCC6538) bacterial strains. The combined effects of CuO and SHfNP at 0.5 mM and 1 mM exhibited strong antibacterial and antibiofilm activities against MDR bacteria. The results showed that Cu/SHfNP was an effective alternative agent inhibiting persister cells, planktonic cells, and mixed-species biofilm formation on polystyrene, nylon, and glass surfaces. Confocal laser scanning microscopy (CLSM) and scanning electron microscopy (SEM) showed that the biofilm thickness and cell attachment were reduced significantly when exposed to Cu/SHfNP. The photocatalytic activity of Cu/SHfNP revealed the maximum reduction of cell growth by 6.1 log CFU mL(-1) under visible light irradiation for 180 min. Cu/SHfNP was nontoxic to human cells, meaning that it can be used as a self-healing agent to combat MDR and prevent membrane biofouling in membrane-based bioreactors. | Manoharan, Ranjith Kumar; Gangadaran, Prakash; Ayyaru, Sivasankaran; Ahn, Byeong-Cheol; Ahn, Young-Ho | Yeungnam Univ, Dept Civil Engn, Gyongsan 38541, South Korea; Kyungpook Natl Univ, Kyungpook Natl Univ Hosp, Sch Med, Dept Nucl Med, Daegu 41944, South Korea | Kumar, Ranjith/GYJ-4572-2022; Gangadaran, Prakash/AAV-3102-2021 | 57193200049; 54393130400; 53063201600; 7202791511; 24586951200 | yhahn@ynu.ac.kr; | NEW JOURNAL OF CHEMISTRY | NEW J CHEM | 1144-0546 | 1369-9261 | 45 | 21 | SCIE | CHEMISTRY, MULTIDISCIPLINARY | 2021 | 3.925 | 44.4 | 0.85 | 2025-07-30 | 14 | 15 | PERSISTER CELL-FORMATION; ANTIBIOTIC-RESISTANCE; STAPHYLOCOCCUS-AUREUS; ZINC-OXIDE; PHOTOCATALYTIC ACTIVITY; PSEUDOMONAS-AERUGINOSA; ANTIBACTERIAL ACTIVITY; GOLD NANOPARTICLES; SWARMING MOTILITY; TREATMENT PLANTS | Activated sludge process; Antibiotics; Biofilms; Cell proliferation; Cells; Copper metallography; Cytology; Effluent treatment; Effluents; Escherichia coli; Hafnium oxides; Hospitals; Photocatalytic activity; Scanning electron microscopy; Self-healing materials; Sewage treatment plants; Synthesis (chemical); Wastewater treatment; ampicillin; carbapenem; cefotaxime; ciprofloxacin; colistin; copper oxide nanoparticle; functional group; gentamicin; glass; hafnium; kanamycin; metal oxide nanoparticle; nanocomposite; nylon; polystyrene; streptomycin; sulfamethoxazole; sulfone derivative; tetracycline; vancomycin; Antibiotic-resistant bacteria; Aquatic environments; Confocal laser scanning microscopy; Hospital wastewater; Membrane biofouling; Multidrug resistants; Resistance profiles; Visible-light irradiation; activated sludge; antibiofilm activity; antibiotic resistance; Article; bacterial cell; bacterial cell wall; bacterial strain; bactericidal activity; bacterium isolate; bacterium isolation; biocidal activity; biofilm; biofouling; bone marrow mesenchymal stem cell; cell adhesion; cell growth; cell membrane permeability; cell structure; cell viability; colony forming unit; confocal laser scanning microscopy; controlled study; effluent; Enterobacter asburiae; Escherichia coli; Fourier transform infrared spectroscopy; hospital waste; human; human cell; irradiation; mixed cell culture; multidrug resistant bacterium; nonhuman; photocatalysis; physical chemistry; plankton; priority journal; Pseudomonas aeruginosa; scanning electron microscopy; Staphylococcus aureus; sulfonation; surface property; thickness; type strain; waste water treatment plant; Copper oxides | English | 2021 | 2021-06-07 | 10.1039/d1nj00323b | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | Single-event transient characteristics of vertical gate-all-around junctionless field-effect transistor on bulk substrate | In this work, we investigated the single-event transient (SET) characteristics of a vertical junctionless field-effect transistor (VJLFET) on a bulk substrate using three-dimensional technology computer aided design (3-D TCAD) simulation. Electron-hole pairs (EHPs) generated by the heavy ion irradiation induced a high peak drain current pulse (I-DSP). The VJLFET was significantly affected by the ion strike injected through the drain region than the source region because the ion injected through the drain region directly supplied electron and hole carriers. Hole charges generated by the heavy ion irradiation were accumulated by the floating body effect, which was caused by the depletion region under the gate dielectric. This phenomenon led to a higher drain current after the irradiation (I-DSA) than the off-state current (I-off). Since the floating body effect was reduced by applying Germanium (Ge) material in the source region, the VJLFET with the Ge source region shows merits in term of radiation hardness. | Yoon, Young Jun; Lee, Jae Sang; Kang, In Man; Kim, Dong-Seok | Korea Atom Energy Res Inst, Korea Multipurpose Accelerator Complex, Gyeogju 38180, South Korea; Kyungpook Natl Univ, Sch Elect & Elect Engn, Daegu 41566, South Korea | 57218864885; 7601467686; 7203062678; 55642581500 | yjyoon@kaeri.re.kr; | APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | APPL PHYS A-MATER | 0947-8396 | 1432-0630 | 127 | 2 | SCIE | MATERIALS SCIENCE, MULTIDISCIPLINARY;PHYSICS, APPLIED | 2021 | 2.983 | 44.4 | 0.33 | 2025-07-30 | 7 | 7 | Vertical junctionless field-effect transistor; Gate-all-around; Single-event transient; Heavy ion; Radiation hardness | NUMERICAL-SIMULATION; THRESHOLD VOLTAGE; MOSFETS | Gate-all-around; Heavy ion; Radiation hardness; Single-event transient; Vertical junctionless field-effect transistor | Drain current; Electron injection; Electronic design automation; Field effect transistors; Gate dielectrics; Heavy ions; Ion bombardment; Radiation hardening; Transport properties; Depletion region; Floating body effect; Gate-all-around; Germaniums (Ge); Off-state current; Radiation hardness; Single event transients; Three dimensional technologies; Transients | English | 2021 | 2021-01-07 | 10.1007/s00339-020-04250-6 | 바로가기 | 바로가기 | 바로가기 | 바로가기 |
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