1
|
Song J, Shin DO, Byun S, Roh Y, Bak C, Song J, Choi J, Lee H, Kwon TS, Lee YG, Ryou MH, Lee YM. A New Perspective on the Advanced Microblade Cutting Method for Reliable Adhesion Measurement of Composite Electrodes. J ELECTROCHEM SCI TE 2021. [DOI: 10.33961/jecst.2021.00976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
2
|
Kim D, Kim J, Hong S, Byun S, Lee S. PO-1318 salvage treatment outcomes in lymph node-positive prostate cancer patients after surgery. Radiother Oncol 2021. [DOI: 10.1016/s0167-8140(21)07769-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
3
|
Park S, Byun S, Kim J, Yang B, Oh S. Treatment of Molar Incisor Malformation and the short term follow-up: Case reports. Eur J Paediatr Dent 2020; 21:238-242. [PMID: 32893659 DOI: 10.23804/ejpd.2020.21.03.15] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND Molar Incisor Malformation (MIM) or Molar Root Incisor malformation (MRIM) is a recently discovered root malformation with constricted pulp and abnormally located furcation presented in permanent first molars and sometimes incisors. CASE REPORT Two cases that feature MIM are presented with the description of the characteristic tooth form, clinical/radiographic examination, medical history, the supposed aetiology, treatment procedure and results at the 2-year follow-up. Conservative endodontic treatment was performed in both cases, furcation perforation and canal perforation were filled with MTA (Mineral Trioxide Aggregate), and a good prognosis was observed after 2 years of follow-up. Furthermore, recommended treatment options are discussed to provide a more appropriate treatment for the patients. CONCLUSION Patients with MIM need to be treated at the right time to avoid severe infection and other problems. Early diagnosis with appropriate treatment is more likely to lead to a more favourable prognosis.
Collapse
Affiliation(s)
- S Park
- DDS, MSD - Department of Pediatric Dentistry Hallym University Sacred Heart Hospital, Anyang-si, Republic of Korea
| | - S Byun
- DDS, PhD - Department of Oral and Maxillofacial Surgery Dentistry, Hallym University Sacred Heart Hospital, Anyang-si, Republic of Korea
| | - J Kim
- DDS, PhD - Department of Oral and Maxillofacial Surgery Dentistry, Hallym University Sacred Heart Hospital, Anyang-si, Republic of Korea
| | - B Yang
- DDS, PhD - Department of Oral and Maxillofacial Surgery Dentistry, Hallym University Sacred Heart Hospital, Anyang-si, Republic of Korea
| | - S Oh
- 3DDS, PhD Department of Pediatric Dentistry Hallym University Sacred Heart Hospital, Anyang-si, Republic of Korea
| |
Collapse
|
4
|
Hwang B, Kim J, Chang K, Ahn Y, Byun S, Kim H, Bu S. Impact of Anemia on Long-Term Clinical Outcome in Patients with Left Ventricular Systolic Dysfunction after Acute Myocardial Infarction. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
|
5
|
Byun S, Choi J, Roh Y, Song D, Ryou MH, Lee YM. Mechanical robustness of composite electrode for lithium ion battery: Insight into entanglement & crystallinity of polymeric binder. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2019.135471] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|
6
|
O'Rahelly M, Fernandez-Garcia M, Hahn A, Nguyen C, Kim D, Byun S, Koelbel H, Schara U, Henrich M, Leslie J, Eymard B, Chouchane M, Roefke K, Thieme A, van den Bergh P, Paquay S, Schneider-Gold C, Vincent A, Allen N, Jungbluth H. P.379Fetal Acetylcholine Receptor Inactivation Syndrome (FARIS): A potentially treatable autoimmune disorder mimicking a wide range of genetic neuromuscular conditions. Neuromuscul Disord 2019. [DOI: 10.1016/j.nmd.2019.06.541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
|
7
|
Affiliation(s)
- Williams Agyei Appiah
- Department of Energy Science and EngineeringDaegu Gyeongbuk Institute of Science and Technology (DGIST) 333 Techno Jungang-daero, Hyeonpung-myeon, Dalseong-gun Daegu 42988 Republic of Korea
| | - Joonam Park
- Department of Energy Science and EngineeringDaegu Gyeongbuk Institute of Science and Technology (DGIST) 333 Techno Jungang-daero, Hyeonpung-myeon, Dalseong-gun Daegu 42988 Republic of Korea
| | - Seoungwoo Byun
- Department of Energy Science and EngineeringDaegu Gyeongbuk Institute of Science and Technology (DGIST) 333 Techno Jungang-daero, Hyeonpung-myeon, Dalseong-gun Daegu 42988 Republic of Korea
| | - Youngjoon Roh
- Department of Energy Science and EngineeringDaegu Gyeongbuk Institute of Science and Technology (DGIST) 333 Techno Jungang-daero, Hyeonpung-myeon, Dalseong-gun Daegu 42988 Republic of Korea
| | - Myung‐Hyun Ryou
- Department of Chemical and Biological EngineeringHanbat National University 125 Dongseo-daero, Yuseong-gu Daejeon 34158 Republic of Korea
| | - Yong Min Lee
- Department of Energy Science and EngineeringDaegu Gyeongbuk Institute of Science and Technology (DGIST) 333 Techno Jungang-daero, Hyeonpung-myeon, Dalseong-gun Daegu 42988 Republic of Korea
| |
Collapse
|
8
|
Kim K, Byun S, Choi J, Hong S, Ryou MH, Lee YM. Elucidating the Polymeric Binder Distribution within Lithium-Ion Battery Electrodes Using SAICAS. Chemphyschem 2018; 19:1627-1634. [PMID: 29603536 DOI: 10.1002/cphc.201800072] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Indexed: 11/11/2022]
Abstract
Polymeric binder distribution within electrodes is crucial to guarantee the electrochemical performance of lithium-ion batteries (LIBs) for their long-term use in applications such as electric vehicles and energy-storage systems. However, due to limited analytical tools, such analyses have not been conducted so far. Herein, the adhesion properties of LIB electrodes at different depths are measured using a surface and interfacial cutting analysis system (SAICAS). Moreover, two LiCoO2 electrodes, dried at 130 and 230 °C, are carefully prepared and used to obtain the adhesion properties at every 10 μm of depth as well as the interface between the electrode composite and the current collector. At high drying temperatures, more of the polymeric binder material and conductive agent appears adjacent to the electrode surface, resulting in different adhesion properties as a function of depth. When the electrochemical properties are evaluated at different temperatures, the LiCoO2 electrode dried at 130 °C shows a much better high-temperature cycling performance than does the electrode dried at 230 °C due to the uniform adhesion properties and the higher interfacial adhesion strength.
Collapse
Affiliation(s)
- Kyuman Kim
- Department of Chemical and Biological Engineering, Hanbat National University, 125 Dongseo-daero, Yuseong-gu, Daejeon, 34158, Republic of Korea
| | - Seoungwoo Byun
- Department of Energy Science and Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), 333 Techno Jungang-daero, Hyeonpung-myeon, Dalseong-gun, Daegu, 42988, Republic of Korea
| | - Jaecheol Choi
- ARC Centre of Excellence for Electromaterials Science and the Intelligent Polymer Research Institute, University of Wollongong, Wollongong, NSW, 2522, Australia
| | - Seungbum Hong
- Department of Materials Science and Engineering, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Myung-Hyun Ryou
- Department of Chemical and Biological Engineering, Hanbat National University, 125 Dongseo-daero, Yuseong-gu, Daejeon, 34158, Republic of Korea
| | - Yong Min Lee
- Department of Energy Science and Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), 333 Techno Jungang-daero, Hyeonpung-myeon, Dalseong-gun, Daegu, 42988, Republic of Korea
| |
Collapse
|
9
|
Kim S, Won CW, Kim BS, Kim S, Yoo J, Byun S, Jang HC, Cho BL, Son SJ, Lee JH, Park YS, Choi KM, Kim HJ, Lee SG. EuroQol Visual Analogue Scale (EQ-VAS) as a Predicting Tool for Frailty in Older Korean Adults: The Korean Frailty an Aging Cohort Study (KFACS). J Nutr Health Aging 2018; 22:1275-1280. [PMID: 30498837 DOI: 10.1007/s12603-018-1077-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVES This study was conducted to determine the cutoff value and efficacy of the EuroQol Visual Analogue Scale (EQ-VAS) for predicting frailty. DESIGN The EQ-VAS medians (Interquartile Range) were compared and analyzed against the FFI. PARTICIPANTS The subjects were 1471 older adults aged 70 to 84 years who had completed both EQ-VAS and Fried Frailty index (FFI) in the first baseline year (2016) of the Korean Frailty and Aging Cohort Study. RESULTS Of the 1471 subjects,600 were classified as robust, 716 as pre-frail, and 155 as frail. The median EQ-VAS scores were 80.00 (20.00) for robust, 75.00 (25.00) for pre-frail, and 60.00 (25.00) for frail subjects.The medians of all five components of the FFI, weight loss (70.00 vs. 80.00), grip strength (70.00 vs. 80.00), exhaustion (70.00 vs. 80.00), walking velocity (70.00 vs. 80.00), and physical activity (70.00 vs. 80.00), were lower in the abnormal groups. We tested the efficacy of EQ-VAS as a diagnostic tool to predict frailty, and the area under the curve of EQ-VAS was 0.71 withthe optimal cut-off value of 72. CONCLUSION EQ-VAS presented negative correlation with FFI, and the optimal cut off value for frailty was 72. These results suggest that EQ-VAS is a valuable tool for assessing frailty andmay be a good predictor of frailty in Korean elderly population.
Collapse
Affiliation(s)
- S Kim
- Chang Won Won, MD. Ph.D, Elderly Frailty Research Center, Department of Family Medicine, Kyung Hee University College of Medicine, Kyungheedaero 23, Dongdaemun-gu, Seoul, 02447 Republic of Korea.Tel: +82 2 958 8700; E-mail:
| | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
10
|
Deng W, Boey J, Chen B, Byun S, Lew E, Liang Z, Armstrong DG. Platelet-rich plasma, bilayered acellular matrix grafting and negative pressure wound therapy in diabetic foot infection. J Wound Care 2017; 25:393-7. [PMID: 27410393 DOI: 10.12968/jowc.2016.25.7.393] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
UNLABELLED Management and treatment of acute severe diabetic foot disease in patients with suboptimal glycaemic control is a critical issue in wound repair. This paper discusses the clinical efficacy of an aggressive surgical intervention combined with targeted use of regenerative medical therapies in limb preservation. Negative pressure wound therapy (NPWT), platelet-rich plasma (PRP), bilayered acellular matrix grafting and split-thickness skin grafting were combined to treat a patient with diabetes, foot necrotising fasciitis and gaseous gangrene. The wound was completely healed. The clinical outcome revealed that a multi-intervention strategy could be effective for large necrotising fasciitis wounds. Early clinical observation, suggests aggresive surgical intervention preserving intact tissue and targeted use of new regenerative technologies can lead to preservation of a limb. DECLARATION OF INTEREST The authors have received no financial support for the material presented in this study outside of the scope of standard patient care reimbursement. This work was supported by the National Natural Science Foundation of China (NO. 81500596) awarded to Dr Wuquan Deng.
Collapse
Affiliation(s)
- W Deng
- Department of Endocrinology, Diabetic Foot Center, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - J Boey
- Department of Podiatry, Singapore General Hospital, Singapore
| | - B Chen
- Department of Endocrinology, Diabetic Foot Center, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - S Byun
- Department of Surgery, Southern Arizona Limb Salvage Alliance (SALSA), University of Arizona Health Sciences Center, Tucson, Arizona, USA
| | - E Lew
- Department of Surgery, Southern Arizona Limb Salvage Alliance (SALSA), University of Arizona Health Sciences Center, Tucson, Arizona, USA
| | - Z Liang
- Department of Endocrinology, Diabetic Foot Center, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - D G Armstrong
- Department of Surgery, Southern Arizona Limb Salvage Alliance (SALSA), University of Arizona Health Sciences Center, Tucson, Arizona, USA
| |
Collapse
|
11
|
Byun S, Park J, Appiah WA, Ryou MH, Lee YM. The effects of humidity on the self-discharge properties of Li(Ni1/3Co1/3Mn1/3)O2/graphite and LiCoO2/graphite lithium-ion batteries during storage. RSC Adv 2017. [DOI: 10.1039/c6ra28516c] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Exposure of battery tabs to humid air triggers self-discharge of batteries because of the induction effect of polar water molecules.
Collapse
Affiliation(s)
- Seoungwoo Byun
- Department of Chemical and Biological Engineering
- Hanbat National University
- Daejeon 305-719
- Republic of Korea
- Department of Energy Systems Engineering
| | - Joonam Park
- Department of Chemical and Biological Engineering
- Hanbat National University
- Daejeon 305-719
- Republic of Korea
| | - Williams Agyei Appiah
- Department of Chemical and Biological Engineering
- Hanbat National University
- Daejeon 305-719
- Republic of Korea
- Department of Energy Systems Engineering
| | - Myung-Hyun Ryou
- Department of Chemical and Biological Engineering
- Hanbat National University
- Daejeon 305-719
- Republic of Korea
| | - Yong Min Lee
- Department of Chemical and Biological Engineering
- Hanbat National University
- Daejeon 305-719
- Republic of Korea
- Department of Energy Systems Engineering
| |
Collapse
|
12
|
Kim K, Byun S, Cho I, Ryou MH, Lee YM. Three-Dimensional Adhesion Map Based on Surface and Interfacial Cutting Analysis System for Predicting Adhesion Properties of Composite Electrodes. ACS Appl Mater Interfaces 2016; 8:23688-23695. [PMID: 27398829 DOI: 10.1021/acsami.6b06344] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Using a surface and interfacial cutting analysis system (SAICAS) that can measure the adhesion strength of a composite electrode at a specific depth from the surface, we can subdivide the adhesion strength of a composite electrode into two classes: (1) the adhesion strength between the Al current collector and the cathode composite electrode (FAl-Ca) and (2) the adhesion strength measured at the mid-depth of the cathode composite electrode (Fmid). Both adhesion strengths, FAl-Ca and Fmid, increase with increasing electrode density and loading level. From the SAICAS measurement, we obtain a mathematical equation that governs the adhesion strength of the composite electrodes. This equation revealed a maximum accuracy of 97.2% and 96.1% for FAl-Ca and Fmid, respectively, for four randomly chosen composite electrodes varying in electrode density and loading level.
Collapse
Affiliation(s)
- Kyuman Kim
- Department of Chemical and Biological Engineering, Hanbat National University , 125, Dongseodaero, Yuseong-gu, Daejeon 34158, Republic of Korea
| | - Seoungwoo Byun
- Department of Chemical and Biological Engineering, Hanbat National University , 125, Dongseodaero, Yuseong-gu, Daejeon 34158, Republic of Korea
| | - Inseong Cho
- Department of Chemical and Biological Engineering, Hanbat National University , 125, Dongseodaero, Yuseong-gu, Daejeon 34158, Republic of Korea
| | - Myung-Hyun Ryou
- Department of Chemical and Biological Engineering, Hanbat National University , 125, Dongseodaero, Yuseong-gu, Daejeon 34158, Republic of Korea
| | - Yong Min Lee
- Department of Chemical and Biological Engineering, Hanbat National University , 125, Dongseodaero, Yuseong-gu, Daejeon 34158, Republic of Korea
| |
Collapse
|
13
|
Abstract
Aims We performed a systematic review of the literature to determine
whether earlier surgical repair of acute rotator cuff tear (ARCT)
leads to superior post-operative clinical outcomes. Methods The MEDLINE, Embase, CINAHL, Web of Science, Cochrane Libraries,
controlled-trials.com and clinicaltrials.gov databases were searched
using the terms: ‘rotator cuff’, or ‘supraspinatus’, or ‘infraspinatus’,
or ‘teres minor’, or ‘subscapularis’ AND ‘surgery’ or ‘repair’.
This gave a total of 15 833 articles. After deletion of duplicates
and the review of abstracts and full texts by two independent assessors,
15 studies reporting time to surgery for ARCT repair were included.
Studies were grouped based on time to surgery < 3 months (group
A, seven studies), or > 3 months (group B, eight studies). Weighted
means were calculated and compared using Student’s t-test. Results Group B had a significantly higher pre-operative Constant score
(CS) (p < 0.001), range of movement in external rotation (p =
0.003) and abduction (p < 0.001) compared with group A. Both
groups showed clinical improvement with surgical repair; group A
had a significantly improved Constant score, University of California,
Los Angeles (UCLA) shoulder score, abduction and elevation post-operatively
(all p < 0.001). Group B had significantly improved Constant
score (p < 0.001) and external rotation (p < 0.001) post-operatively.
The mean Constant score improved by 33.5 for group A and by 27.5
for group B. Conclusion These findings should be interpreted with caution due to limitations
and bias inherent to case-series. We suggest a trend that earlier
time to surgery may be linked to better Constant score, and active
range of movement in abduction and elevation. Additional prospective
studies are required.
Collapse
Affiliation(s)
- I Mukovozov
- University of Toronto, Facultyof Medicine, 1 King's College Circle, Toronto, Ontario, M5S 1A8, Canada
| | | | | | | |
Collapse
|
14
|
Byun S, Ki E, Park J. Single CpG Site hypomethylation of MAL gene might be associated with human papillomavirus persistent infection. Gynecol Oncol 2013. [DOI: 10.1016/j.ygyno.2013.04.176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
|
15
|
Kim J, Byun S, Kim O, Park S, Choi E, Oh Y, Cho C. A Comparison of Outcomes Between Concurrent Chemoradiation Therapy and Radiation Therapy Alone in Cancer of the Uterine Cervix: A Single Institutional Experience. Int J Radiat Oncol Biol Phys 2012. [DOI: 10.1016/j.ijrobp.2012.07.1148] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
16
|
Byun S. M262 BONE METASTSIS OF KRUKENBERG TUMOR IN PREGNANCY; A PARALYZED PREGNANT WOMAN. Int J Gynaecol Obstet 2012. [DOI: 10.1016/s0020-7292(12)61454-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
17
|
Byun S, Davies SH, Alpatova AL, Corneal LM, Baumann MJ, Tarabara VV, Masten SJ. Mn oxide coated catalytic membranes for a hybrid ozonation-membrane filtration: comparison of Ti, Fe and Mn oxide coated membranes for water quality. Water Res 2011; 45:163-170. [PMID: 20822791 DOI: 10.1016/j.watres.2010.08.031] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2010] [Revised: 07/23/2010] [Accepted: 08/14/2010] [Indexed: 05/29/2023]
Abstract
In this study the performance of catalytic membranes in a hybrid ozonation-ceramic membrane filtration system was investigated. The catalytic membranes were produced by coating commercial ceramic ultrafiltration membranes with manganese or iron oxide nanoparticles using a layer-by-layer self-assembly technique. A commercial membrane with a titanium oxide filtration layer was also evaluated. The performance of the coated and uncoated membranes was evaluated using water from a borderline eutrophic lake. The permeate flux and removal of the organic matter was found to depend on the type of the metal oxide present on the membrane surface. The performance of the manganese oxide coated membrane was superior to that of the other membranes tested, showing the fastest recovery in permeate flux when ozone was applied and the greatest reduction in the total organic carbon (TOC) in the permeate. The removal of trihalomethanes (THMs) and haloacetic acids (HAAs) precursors using the membrane coated 20 times with manganese oxide nanoparticles was significantly better than that for the membranes coated with 30 or 40 times with manganese oxide nanoparticles or 40 times with iron oxide nanoparticles.
Collapse
Affiliation(s)
- S Byun
- Department of Civil and Environmental Engineering, Michigan State University, East Lansing, MI 48824, USA
| | | | | | | | | | | | | |
Collapse
|
18
|
Hong S, Oh J, Jeong C, Jeong S, Byun S, Lee S. UP-1.64: Impact of dutasteride on serum testosterone and body mass index in men with benign prostatic hyperplasia. Urology 2010. [DOI: 10.1016/j.urology.2010.07.197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
19
|
Jeong S, Doo S, Park H, Yoon C, Hong S, Byun S, Lee S. MP-17.12: A Study of Factors Predicting Female Bladder Outlet Obstruction Defined Using Pressure-flow Study. Urology 2009. [DOI: 10.1016/j.urology.2009.07.813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
20
|
Jeong S, Doo S, Park H, Yoon C, Hong S, Byun S, Lee S. UP-1.185: Urodynamic Comparison Between Complete and Incomplete Injury in Patients with Spinal Cord Injury: Can Urodynamic Study be Skipped in a Patient With Incomplete Injury? Urology 2009. [DOI: 10.1016/j.urology.2009.07.632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
|
21
|
Lee S, Hong S, Yoon C, Jeong S, Byun S, Park H, Doo S, Lee W, Kim D. UP-2.142: Impact of Bony Pelvic Dimensions on Performing Robot-Assisted Laparoscopic Prostatectomy. Urology 2009. [DOI: 10.1016/j.urology.2009.07.361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
22
|
Yoon C, Yu J, Du S, Park H, Kim S, Jeong S, Hong S, Byun S, Lee S. UP-3.007: Histone Deacetylase Inhibitor Trichostatin A Induces Apoptosis in Human Invasive Bladder Cancer through the Caspase Dependent Pathway. Urology 2009. [DOI: 10.1016/j.urology.2009.07.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|
23
|
Lee S, Hong S, Kim Y, Chang I, Han J, Han B, Yu J, Byun S. MP-14.05. Urology 2006. [DOI: 10.1016/j.urology.2006.08.447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
24
|
Lee S, Hong S, Kim Y, Chang I, Han J, Han B, Yu J, Byun S. MP-20.06. Urology 2006. [DOI: 10.1016/j.urology.2006.08.587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|
25
|
Harmanli OH, Gentzler CK, Byun S, Dandolu MHV, Grody T. A comparison of abdominal and vaginal hysterectomy for the large uterus. Int J Gynaecol Obstet 2004; 87:19-23. [PMID: 15464771 DOI: 10.1016/j.ijgo.2004.06.018] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2004] [Revised: 05/18/2004] [Accepted: 06/21/2004] [Indexed: 11/21/2022]
Abstract
OBJECTIVE To compare the perioperative outcomes of women with an enlarged uterus (>or=250 g) who had abdominal and vaginal hysterectomies. METHOD Retrospective study of the perioperative outcomes of 288 consecutive women with an enlarged uterus, of whom 200 underwent an abdominal hysterectomy and 88 a vaginal hysterectomy, all for benign gynecological conditions. RESULTS Among the perioperative complications, only the risk of ileus was significantly higher in the group that underwent abdominal hysterectomy. Although the need for blood transfusions was similar between the groups, mean perioperative hemoglobin change was significantly lower for women who had the abdominal approach. Vaginal hysterectomy shortened the length of hospitalization significantly but did not affect the operative time. All of these differences remained significant after adjusting for uterine weight (P<0.05). Baseline characteristics were similar between the groups, except for uterine weight. CONCLUSIONS For women with a uterus weighing 250 g or more, vaginal hysterectomy shortens the hospital stay without significantly increasing perioperative morbidity when compared with the abdominal route.
Collapse
Affiliation(s)
- O H Harmanli
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Temple University School of Medicine, Philadelphia, PA 19140, USA.
| | | | | | | | | |
Collapse
|
26
|
Byun S, Cho SH, Yoon J, Geissen SU, Vogelpohl A, Kim SM. Influence of mass transfer on the ozonation of wastewater from the glass fiber industry. Water Sci Technol 2004; 49:31-36. [PMID: 15077944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The mass transfer rate (kLa) is one of the most important parameters in the ozonation of wastewater, because it frequently constitutes the rate-determining step. This study investigated the influence of kLa on the ozonation of glass fiber wastewater using a high-performance jet loop reactor (HJLR), which is well known for its high mass transfer property, and compared the results of this investigation with those obtained using the bubble column reactor. It was found that the higher kLa achieved by increasing the energy input did not lead to higher ozonation efficiency, since the reaction involving the OH radical was greatly hindered at the low pH produced as a result of ozonation. By maintaining the pH at a value greater than 8.0, the higher kLa in the HJLR reactor contributed to increasing not only the TOC removal of wastewater, but also the ozone consumption efficiency, as expressed by the specific ozone consumption. The specific ozone consumption in the HJLR reactor (7.1 g ozone/ g TOC) was 20% better than that in the bubble column reactor.
Collapse
Affiliation(s)
- S Byun
- Korea Institute of Science and Technology, Cheongryang, Seoul, 130-650, Korea.
| | | | | | | | | | | |
Collapse
|
27
|
Abstract
The assumption that the acridine orange (AO) color reaction may be used as an index of physiological activity was investigated in laboratory grown Escherichia coli. Spectrofluorometric observations of purified nucleic acids, ribosomes and the microscopic color of bacteriophage-infected cells stained with AO confirmed the theory that single-stranded nucleic acids emit orange to red fluorescence while those that are double-stranded fluoresce green in vivo. Bacteria growing actively in a rich medium could be distinguished from cells in stationary phase by the AO reaction. Cells from log phase appeared red, whereas those in stationary phase were green. However, this differentiation was not seen when the bacteria were grown in a minimal medium or when a variation of the staining method was used. Also, shifting bacteria in stationary phase to starvation conditions rapidly changed their AO staining reaction. Boiling and exposure to lethal concentrations of azide and formalin resulted in stationary-phase cells that appeared red after staining but bacteria killed with chlorine remained green. These findings indicate that the AO staining reaction may be suggestive of physiological activity under defined conditions. However, variables in staining and fixation procedures as well as uncertainties associated with mixed bacterial populations in environmental samples may produce results that are not consistent with the classical interpretation of this reaction. The importance of validating the putative physiological implications of this staining reaction is stressed.
Collapse
Affiliation(s)
- G A McFeters
- Department of Microbiology, Montana State University, Bozeman
| | | | | | | | | |
Collapse
|