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  1. Article ; Online: Recent advancement on water filtration membranes: Navigating biofouling challenges.

    Alnumani, Ammar / Abutaleb, Abdulrahman / Park, Byungsung / Mubashir, Muhammad

    Environmental research

    2024  Volume 251, Issue Pt 1, Page(s) 118615

    Abstract: This study investigates the field of antifouling membranes for water filtration and desalination applications, specifically focusing on two-dimensional materials. The study examines the importance of these membranes in the context of climate change and ... ...

    Abstract This study investigates the field of antifouling membranes for water filtration and desalination applications, specifically focusing on two-dimensional materials. The study examines the importance of these membranes in the context of climate change and its effects on coastal ecosystems. The occurrence of biofouling in seawater desalination membranes is closely connected to intricate processes influenced by factors such as water quality, microbial communities, hydrodynamics, and membrane properties. Microorganism adhesion initiates the process, which then advances into irreversible attachment and the creation of biofilm. Detached pieces contribute to the perpetuation of fouling. Biofouling is caused by a variety of biomaterials and organics, including bacteria, extracellular polymeric substances (EPS), proteins, and humic compounds. Innovative methods such as surface alterations using two-dimensional materials like graphene and graphene oxide, as well as the use of biofouling-resistant materials, provide promising possibilities. These materials have antifouling characteristics, making them environmentally beneficial options that reduce the need for chemical cleaning. Their application improves the water treatment process by preventing fouling and enhancing membrane performance. Real-world research applications can enhance and optimize these tactics to effectively reduce biofouling in seawater desalination systems, hence improving efficiency and sustainability. This is particularly important in light of climate change and its impact on coastal ecosystems. The findings obtained from the literature review emphasise the utmost significance of tackling biofouling in the face of a changing environment, particularly with regard to microorganisms. Important factors to consider are the selection of coating materials, the implementation of environmentally friendly cleaning solutions made from natural chemicals, and the improvement of pretreatment systems. Green cleaning agents are important eco-friendly alternatives to typical biocides, as they possess antibacterial, antifungal, and antifouling capabilities. Given the existence of climate change, these observations serve as a basis for promoting environmentally friendly methods in water treatment technology.
    Language English
    Publishing date 2024-03-02
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 205699-9
    ISSN 1096-0953 ; 0013-9351
    ISSN (online) 1096-0953
    ISSN 0013-9351
    DOI 10.1016/j.envres.2024.118615
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: The Effect of Psychological Resilience on Cognitive Decline in Community-Dwelling Older Adults: The Korean Frailty and Aging Cohort Study.

    Kim, Sunwoo / Won, Chang Won / Kim, Sunyoung / Park, Jung Ha / Kim, Miji / Kim, Byungsung / Ryu, Jihae

    Korean journal of family medicine

    2024  

    Abstract: Background: Chronic stress is associated with an increased risk of cognitive impairment and Alzheimer's disease. This study aimed to assess whether better coping with stress, as assessed using the Brief Resilience Scale (BRS), is associated with slower ... ...

    Abstract Background: Chronic stress is associated with an increased risk of cognitive impairment and Alzheimer's disease. This study aimed to assess whether better coping with stress, as assessed using the Brief Resilience Scale (BRS), is associated with slower cognitive decline in community-dwelling older adults.
    Methods: This study used 2018/2019 data and 2-year follow-up data from the Korean Frailty and Aging Cohort Study. Of the 3,014 total participants, we included 1,826 participants (mean age, 77.6±3.7 years, 51.9% female) who completed BRS and Korean version of the Consortium to Establish a Registry for Alzheimer's Disease Assessment Battery and the Korean version of the Frontal Assessment Battery (FAB).
    Results: Higher BRS score at baseline was associated with a lesser decline in the Mini-Mental State Examination score over 2 years after adjusting for age, sex, years of education, smoking status, hypertension, diabetes, and depression (B, 0.175; 95% confidence interval, 0.025-0.325) for 2 years, which represents global cognitive function. Other cognitive function measurements (Word List Memory, Word List Recall, Word List Recognition, Digit Span, Trail Making Test-A, and FAB) did not change significantly with the BRS score at baseline.
    Conclusion: These findings suggest that better stress-coping ability, meaning faster termination of the stress response, may limit the decline in cognitive function.
    Language English
    Publishing date 2024-03-25
    Publishing country Korea (South)
    Document type Journal Article
    ZDB-ID 2674300-0
    ISSN 2092-6715 ; 2005-6443
    ISSN (online) 2092-6715
    ISSN 2005-6443
    DOI 10.4082/kjfm.23.0145
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Shift work and depressive symptoms: the mediating effect of vitamin D and sleep quality.

    Park, Hwanjin / Suh, Byungsung / Lee, Soo-Jin

    Chronobiology international

    2019  Volume 36, Issue 5, Page(s) 689–697

    Abstract: Shift work is associated with vitamin D level, sleep quality, and depressive symptoms. Vitamin D and sleep quality are also associated with depressive symptoms. The purpose of this study was to compare vitamin D level, sleep quality, and depressive ... ...

    Abstract Shift work is associated with vitamin D level, sleep quality, and depressive symptoms. Vitamin D and sleep quality are also associated with depressive symptoms. The purpose of this study was to compare vitamin D level, sleep quality, and depressive symptoms between shift workers and daytime workers and analyze the mediating effect of vitamin D and sleep quality between shift work and depressive symptoms. Among those who participated in the Kangbuk Samsung Health Study in 2012 and 2014, 82,078 cases of full-time workers were analyzed. We evaluated their shift work, vitamin D level, sleep quality, and depressive symptoms with blood samples and questionnaires. Chi-square tests, t-tests, and path statistical analysis were performed. More depressive symptoms, lower vitamin D levels, and poorer sleep quality were associated with shift work. According to a path analysis, shift work had both a direct effect and an indirect effect on depressive symptoms, each mediated by sleep quality and vitamin D level. When a multigroup analysis was conducted for each sex, paths containing sleep quality were more significant in female shift workers than male shift workers; paths involving vitamin D did not differ between sexes. To assess depression risk in shift workers, evaluating vitamin D level and sleep quality is essential. Also, sleep problems are more prevalent in female compared to male shift workers with respect depression prevalence.
    MeSH term(s) Adult ; Circadian Rhythm/physiology ; Depression/complications ; Depression/physiopathology ; Female ; Humans ; Male ; Middle Aged ; Prevalence ; Sleep/physiology ; Sleep Initiation and Maintenance Disorders/epidemiology ; Surveys and Questionnaires ; Time Factors ; Vitamin D/metabolism ; Work Schedule Tolerance/physiology
    Chemical Substances Vitamin D (1406-16-2)
    Language English
    Publishing date 2019-03-07
    Publishing country England
    Document type Journal Article
    ZDB-ID 998996-1
    ISSN 1525-6073 ; 0742-0528
    ISSN (online) 1525-6073
    ISSN 0742-0528
    DOI 10.1080/07420528.2019.1585367
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Acute pancreatitis in hand, foot and mouth disease caused by Coxsackievirus A16: case report.

    Park, Byungsung / Kwon, Hyuckjin / Lee, Kwanseop / Kang, Minjae

    Korean journal of pediatrics

    2017  Volume 60, Issue 10, Page(s) 333–336

    Abstract: Coxsackievirus A16 (CA16), which primarily causes hand, foot, and mouth disease (HFMD), is associated with complications, such as encephalitis, acute flaccid paralysis, myocarditis, pericarditis, and shock. However, no case of pancreatitis associated ... ...

    Abstract Coxsackievirus A16 (CA16), which primarily causes hand, foot, and mouth disease (HFMD), is associated with complications, such as encephalitis, acute flaccid paralysis, myocarditis, pericarditis, and shock. However, no case of pancreatitis associated with CA16 has been reported in children. We report a case of CA16-associated acute pancreatitis in a 3-year-old girl with HFMD. She was admitted because of poor oral intake and high fever for 1 day. Maculopapular rashes on both hands and feet and multiple vesicles on the soft palate were observed on physical examination. She was treated conservatively with intravenous fluids. On the fourth hospital day, she had severe abdominal pain and vomiting. The serum levels of amylase and lipase were remarkably elevated (amylase, 1,902 IU/L; reference range, 28-100 IU/L; lipase, >1,500 IU/L; reference range, 13-60 IU/L), and ultrasonography showed diffuse swelling of the pancreas with a small amount of ascites. The real-time reverse transcription polymerase chain reaction result from a stool sample was positive for CA16. CA16 can cause acute pancreatitis, and should be considered in the differential diagnosis of abdominal pain in children with HFMD.
    Language English
    Publishing date 2017-10-20
    Publishing country Korea (South)
    Document type Journal Article
    ZDB-ID 2594966-4
    ISSN 2092-7258 ; 1738-1061
    ISSN (online) 2092-7258
    ISSN 1738-1061
    DOI 10.3345/kjp.2017.60.10.333
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Pathologic mallet fracture of distal phalanx enchondroma: A case report.

    Kim, Byungsung / Nho, Jae-Hwi / Kim, Woo Jong / Park, Sungyong / Kim, Hak Soo / Kim, Jahyung / Kim, Hyoung Ye / Jung, Ki Jin

    Medicine

    2020  Volume 99, Issue 22, Page(s) e20219

    Abstract: Introduction: Enchondromas arise from cartilaginous cells derived from the physis that persists throughout development. They are difficult to diagnose and are often discovered on radiographs after a trauma.: Patient concerns: We discuss the case of a ...

    Abstract Introduction: Enchondromas arise from cartilaginous cells derived from the physis that persists throughout development. They are difficult to diagnose and are often discovered on radiographs after a trauma.
    Patient concerns: We discuss the case of a 32-year-old woman with a pathologic mallet fracture of the distal phalanx that was initially misdiagnosed as common mallet fracture.
    Diagnosis: Magnetic resonance imaging revealed an eccentrically located lesion expanding to the cortex, with a high signal intensity at T2 weighted image, suggesting pathologic fracture.
    Interventions: We performed a operation, involving curettage and bone grafting. Complete removal of the lesion was confirmed intraoperatively with the image intensifier, and the cavity was irrigated and subsequently filled with allogenous bone and demineralized bone matrix.
    Outcomes: With an uneventful recovery, she gradually return to normal function within 3 months. Her symptoms improved and nearly full range of motion of the finger was seen at 1-year follow-up.
    Conclusion: Our case of pathologic mallet fracture was misdiagnosed as a simple fracture, suggesting that the mechanism of fracture and radiological diagnosis should be carefully considered.
    MeSH term(s) Adult ; Chondroma/complications ; Chondroma/diagnostic imaging ; Diagnostic Errors ; Female ; Finger Phalanges/diagnostic imaging ; Finger Phalanges/injuries ; Fractures, Spontaneous/diagnostic imaging ; Fractures, Spontaneous/etiology ; Humans ; Magnetic Resonance Imaging
    Language English
    Publishing date 2020-04-29
    Publishing country United States
    Document type Case Reports ; Journal Article
    ZDB-ID 80184-7
    ISSN 1536-5964 ; 0025-7974
    ISSN (online) 1536-5964
    ISSN 0025-7974
    DOI 10.1097/MD.0000000000020219
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Uncertainty improvement of geometrical thickness and refractive index measurement of a silicon wafer using a femtosecond pulse laser.

    Maeng, Saerom / Park, Jungjae / O, Byungsung / Jin, Jonghan

    Optics express

    2012  Volume 20, Issue 11, Page(s) 12184–12190

    Abstract: We have proposed a modified method to improve the measurement uncertainty of the geometrical thickness and refractive index of a silicon wafer. Because measurement resolution based on Fourier domain analysis depends on the spectral bandwidth of a light ... ...

    Abstract We have proposed a modified method to improve the measurement uncertainty of the geometrical thickness and refractive index of a silicon wafer. Because measurement resolution based on Fourier domain analysis depends on the spectral bandwidth of a light source directly, a femtosecond pulse laser having the broad spectral bandwidth of about 100 nm was adopted as a new light source. A phase detection algorithm in Fourier domain was also modified to minimize the effect related to environmental disturbance. Since the wide spectral bandwidth may cause a dispersion effect in the optical parts of the proposed interferometer, it was considered carefully through numerical simulations. In conclusion, the measurement uncertainty of geometrical thickness was estimated to be 48 nm for a double-polished silicon wafer having the geometrical thickness of 320.7 μm, which was an improvement of about 20 times that obtained by the previous method.
    MeSH term(s) Algorithms ; Data Interpretation, Statistical ; Interferometry/instrumentation ; Lasers ; Refractometry/instrumentation ; Refractometry/methods ; Silicon/chemistry
    Chemical Substances Silicon (Z4152N8IUI)
    Language English
    Publishing date 2012-05-21
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1491859-6
    ISSN 1094-4087 ; 1094-4087
    ISSN (online) 1094-4087
    ISSN 1094-4087
    DOI 10.1364/OE.20.012184
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Treating AO Type C2-3 Distal Humerus Fractures With the Anconeus Flap Transolecranon Approach.

    Kim, Byung-Sung / Jung, Ki Jin / Kim, Kyung Bum / Park, Seong San

    Orthopedics

    2022  Volume 45, Issue 6, Page(s) e326–e334

    Abstract: We evaluated the outcomes of precontoured locking plate fixation with the anconeus flap transolecranon (AFT) approach to treating AO type C2-3 comminuted intra-articular distal humerus (IDH) fractures among active patients. Thirty-six patients (age <65 ... ...

    Abstract We evaluated the outcomes of precontoured locking plate fixation with the anconeus flap transolecranon (AFT) approach to treating AO type C2-3 comminuted intra-articular distal humerus (IDH) fractures among active patients. Thirty-six patients (age <65 years) with IDH fractures treated with precontoured distal humerus locking plate fixation were divided into 2 groups: group 1 (n=18; transolecranon [TO] approach) and group 2 (n=18; AFT approach). The radiographic examination included assessments of implant failure, fracture site union, and olecranon osteotomy site union. Clinical examination included assessments of operating time, range of motion (ROM), Mayo Elbow Performance Score (MEPS), Disability of the Arm, Shoulder and Hand (DASH) score, and complications. The mean follow-up time was 25.2 months (range, 18-79 months). The mean operating time was 134.3 minutes and was significantly longer for group 2 (AFT; 141.2 minutes) than for group 1 (TO; 124.2 minutes). The mean olecranon osteotomy site union time was significantly longer in group 2 (7.4 weeks) than in group 2 (4.0 weeks). Olecranon osteotomy site resorption occurred among 6 of 18 patients only in group 2. No significant difference in ROM (flexion, 130°; extension, -0.7°), MEPS (85.7 points), DASH score (20.0 points), or frequency of major complications (TO, 5; AFT, 6) was observed between the groups. Our results showed no advantage of the AFT approach over the TO approach, despite preserving the anconeus. Prospective randomized trials will be necessary to compare the AFT and TO approaches for treating comminuted IDH fractures. [
    MeSH term(s) Humans ; Aged ; Humeral Fractures/diagnostic imaging ; Humeral Fractures/surgery ; Humeral Fractures/etiology ; Elbow ; Fracture Fixation, Internal/methods ; Prospective Studies ; Treatment Outcome ; Elbow Joint/diagnostic imaging ; Elbow Joint/surgery ; Humerus ; Fractures, Comminuted/surgery ; Range of Motion, Articular ; Retrospective Studies
    Language English
    Publishing date 2022-08-10
    Publishing country United States
    Document type Journal Article
    ZDB-ID 424447-3
    ISSN 1938-2367 ; 0147-7447
    ISSN (online) 1938-2367
    ISSN 0147-7447
    DOI 10.3928/01477447-20220805-06
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Rapid Uniformity Analysis of Fully Printed SWCNT-Based Thin Film Transistor Arrays via Roll-to-Roll Gravure Process

    Yunhyok Choi / Younsu Jung / Reem Song / Jinhwa Park / Sajjan Parajuli / Sagar Shrestha / Gyoujin Cho / Byung-Sung Kim

    Nanomaterials, Vol 13, Iss 590, p

    2023  Volume 590

    Abstract: The roll-to-roll (R2R) gravure process has the potential for manufacturing single-wall carbon nanotubes (SWCNT)-based thin film transistor (TFT) arrays on a flexible plastic substrate. A significant hurdle toward the commercialization of the R2R-printed ... ...

    Abstract The roll-to-roll (R2R) gravure process has the potential for manufacturing single-wall carbon nanotubes (SWCNT)-based thin film transistor (TFT) arrays on a flexible plastic substrate. A significant hurdle toward the commercialization of the R2R-printed SWCNT-TFT array is the lack of a suitable, simple, and rapid method for measuring the uniformity of printed products. We developed a probing instrument for characterizing R2R gravure printed TFT, named PICR2R-TFT, for rapidly characterizing R2R-printed SWCNT-TFT array that can present a geographical distribution profile to pinpoint the failed devices in an SWCNT-TFT array. Using the newly developed PICR2R-TFT instrument, the current–voltage characteristics of the fabricated SWCNT-TFT devices could be correlated to various R2R-printing process parameters, such as channel length, roll printing length, and printing speed. Thus, by introducing a characterization tool that is reliable and fast, one can quickly optimize the R2R gravure printing conditions to enhance product uniformity, thereby maximizing the yield of printed SWCNT-TFT arrays.
    Keywords roll-to-roll gravure ; thin film transistor arrays ; uniformity ; probing instrument ; Chemistry ; QD1-999
    Subject code 600
    Language English
    Publishing date 2023-02-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  9. Article: Rapid Uniformity Analysis of Fully Printed SWCNT-Based Thin Film Transistor Arrays via Roll-to-Roll Gravure Process.

    Choi, Yunhyok / Jung, Younsu / Song, Reem / Park, Jinhwa / Parajuli, Sajjan / Shrestha, Sagar / Cho, Gyoujin / Kim, Byung-Sung

    Nanomaterials (Basel, Switzerland)

    2023  Volume 13, Issue 3

    Abstract: The roll-to-roll (R2R) gravure process has the potential for manufacturing single-wall carbon nanotubes (SWCNT)-based thin film transistor (TFT) arrays on a flexible plastic substrate. A significant hurdle toward the commercialization of the R2R-printed ... ...

    Abstract The roll-to-roll (R2R) gravure process has the potential for manufacturing single-wall carbon nanotubes (SWCNT)-based thin film transistor (TFT) arrays on a flexible plastic substrate. A significant hurdle toward the commercialization of the R2R-printed SWCNT-TFT array is the lack of a suitable, simple, and rapid method for measuring the uniformity of printed products. We developed a probing instrument for characterizing R2R gravure printed TFT, named PICR2R-TFT, for rapidly characterizing R2R-printed SWCNT-TFT array that can present a geographical distribution profile to pinpoint the failed devices in an SWCNT-TFT array. Using the newly developed PICR2R-TFT instrument, the current-voltage characteristics of the fabricated SWCNT-TFT devices could be correlated to various R2R-printing process parameters, such as channel length, roll printing length, and printing speed. Thus, by introducing a characterization tool that is reliable and fast, one can quickly optimize the R2R gravure printing conditions to enhance product uniformity, thereby maximizing the yield of printed SWCNT-TFT arrays.
    Language English
    Publishing date 2023-02-01
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662255-5
    ISSN 2079-4991
    ISSN 2079-4991
    DOI 10.3390/nano13030590
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Effects of pitamin on growth performance, carcass characteristics and cecal microflora of broiler chicken.

    Park, Byung-Sung

    Journal of environmental biology

    2011  Volume 32, Issue 5, Page(s) 585–590

    Abstract: The aim of this study is to determine the effect of dietary pitamin as an antibiotic replacement in broiler chicken. The treated groups were as follows: 1) the control, 2) the antibiotics (8 mg of avilamycin kg(-1) of diet) and 3) the pitamin (70 mg of ... ...

    Abstract The aim of this study is to determine the effect of dietary pitamin as an antibiotic replacement in broiler chicken. The treated groups were as follows: 1) the control, 2) the antibiotics (8 mg of avilamycin kg(-1) of diet) and 3) the pitamin (70 mg of pitamin kg(-1) of diet) groups. Body weight gain, feed intake, and feed efficiency were significantly higher in the pitamin group than in the antibiotics and control groups (p<0.05). Carcass weight, dressing percentage, and the weight of breast and thigh muscle recorded significantly higher levels in the pitamin group as compared to the other groups (p<0.05). The addition of pitamin to the diets for broilers reduced abdominal fat by 23.35% and stimulated the growth of the thymus, the spleen, and the bursa of Fabricius. TAG levels of the pitamin group declined by 12.03 and 10.45% as compared to the control and antibiotics groups, and their TC levels were reduced by 15.17 and 14.39%, and LDL. C levels were reduced by 10.56 and 11.24%, respectively. Serum IgG was increased significantly by 137.43 and 36.80% in the pitamin group as compared to the control and antibiotics groups, respectively (p<0.05). The numbers of Bifidobacterium and Lactobacillus on the cecum digesta were significantly higher in the pitamin group than in the antibiotics and control groups and the numbers of Escherichia coli and Salmonella tended to be reduced (p<0.05). In conclusion, when Korean red pine bark extract, pitamin, was added to the broiler diets at a concentration of 70 mg of pitamin kg(-1) of diet, it resulted in better growth performance as compared to the antibiotics by improving immunity and the cecal beneficial microfloral population.
    MeSH term(s) Animals ; Anti-Bacterial Agents ; Body Composition ; Cecum/microbiology ; Chickens/growth & development ; Dietary Supplements ; Male ; Pinus/chemistry ; Plant Bark/chemistry ; Plant Extracts/chemistry ; Plant Extracts/pharmacology ; Weight Gain
    Chemical Substances Anti-Bacterial Agents ; Plant Extracts ; pitamin
    Language English
    Publishing date 2011-09
    Publishing country India
    Document type Controlled Clinical Trial ; Journal Article ; Research Support, Non-U.S. Gov't
    ISSN 0254-8704
    ISSN 0254-8704
    Database MEDical Literature Analysis and Retrieval System OnLINE

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