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Prevalence of focal lamina cribrosa defects in eyes with pachychoroid disease spectrum

International Journal of Ophthalmology(English edition) 2022年第1期15卷 77-82页

作者： Hae Min Kang na eun lee Jeong Hoon Choi Hyoung Jun Koh Sung Chul lee Harvard School of Public Health BostonMA 02115USA Catholic Kwandong University Incheon 22711Republic of Korea Gongdoek Seoul Eye Clinic Seoul 04214Republic of Korea Choikang Seoul Eye Clinic Seoul 01110Republic of Korea Institute of Vision Research Department of OphthalmologyYonsei University College of MedicineSeoul 03722Republic of Korea Konyang University Hospital Daejeon 35365Republic of Korea

AIM:To determine the prevalence of focal lamina cribrosa(LC)defect among patients with pachychoroid disease spectrum(PDS)in the absence of peripapillary ***:This retrospective,cross-sectional study comprised of 180 patients with PDS,including polypoidal choroidal vasculopathy(PCV),central serous chorioretinopathy,and pachychoroidal *** records and optic ner ve head evaluations conducted using spectral-domain optical coherence tomography with enhanced depth imaging were *** a control group,236 patients who underwent ophthalmologic evaluation for vitreous floaters,without obvious ocular disease,were also ***:The mean age of the PDS group,which included 118 male patients(65.6%),was 57.4±11.1 *** was no significant difference between the two groups in age(P=0.710)or sex(P=0.248).Six patients(3.3%)in the PDS group and none in the control group showed focal LC defect(P=0.318).Among the six patients with focal LC defect in the PDS group,four eyes had PCV,one eye was the fellow eye of a PCV eye,and one eye had pachychoroidal ***:Focal LC defect can be defected in patients with PDS in the absence of peripapillar y ***,the prevalence of focal LC defect was not different significantly between PDS patients and those who did not have PDS.

关键词： central serous chorioretinopathy lamina cribrosa pachychoroid polypoidal choroidal vasculopathy

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Sectoral changes of the peripapillary choroidal thickness in patients with unilateral branch retinal vein occlusion

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International Journal of Ophthalmology(English edition) 2019年第3期12卷 472-479页

作者： na eun lee Hae Min Kang Jeong Hoon Choi Hyoung Jun Koh Sung Chul lee Department of Ophthalmology Catholic Kwandong University College of Medicine International St. Mary's Hospital Choikang Seoul Eye Clinic Institute of Vision Research Department of Ophthalmology Yonsei University College of Medicine

AIM: To investigate sectoral changes in the mean peripapillary choroidal thickness(PCT) in patients with unilateral branch retinal vein occlusion(BRVO). METHODS: This retrospective, interventional study included 41 patients with acute, unilateral BRVO without macular edema. All patients completed at least a 6-month follow-up period. The PCT was measured at eight locations(temporal, superotemporal, superior, superonasal, nasal, inferonasal, inferior, and inferotemporal). In addition to calculating the average of all locations, the peripapillary choroidal area was divided into four sectors: superior(average of superotemporal PCT, superior PCT, and superonasal PCT), temporal, inferior(average of inferotemporal PCT, inferior PCT, and inferonasal PCT), and nasal. RESULTS: In the BRVO-affected eyes, the mean PCT was 177.7±69.8 μm(range, 70.1-396.0 μm) at baseline and 127.8±54.8 μm(range, 56.4-312.1 μm) at 6 mo(Pnalysis, the mean PCT in each sector was significantly reduced in over 6 mo in the BRVO-affected eyes(all Pnasal sector, P=0.599).CONCLUSION: Sectoral analysis shows that the mean PCTs in all sectors are reduced significantly over 6 mo in the BRVO-affected eyes, but not in the non-affected contralateral eyes.

关键词： branch retinal vein occlusion choroid choroidal thickness peripapillary choroidal thickness

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Malicious Traffic Compression and Classification Technique for Secure Internet of Things

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Computers, Materials & Continua 2023年第9期76卷 3465-3482页

作者： Yu-Rim lee na-eun Park Seo-Yi Kim Il-Gu lee Department of Future Convergence Technology Engineering SungshinWomen’s UniversitySeoul02844Korea Department of Convergence Security Engineering SungshinWomen’s UniversitySeoul02844Korea

With the introduction of 5G technology,the application of Internet of Things(IoT)devices is expanding to various industrial ***,introducing a robust,lightweight,low-cost,and low-power security solution to the IoT environment is ***,this study proposes two methods using a data compression technique to detect malicious traffic efficiently and accurately for a secure IoT *** first method,compressed sensing and learning(CSL),compresses an event log in a bitmap format to quickly detect ***,the attack log is detected using a machine-learning classification *** second method,precise re-learning after CSL(Ra-CSL),comprises a two-step *** uses CSL as the 1st step analyzer,and the 2nd step analyzer is applied using the original dataset for a log that is detected as an attack in the 1st step *** the experiment,the bitmap rule was set based on the boundary value,which was 99.6%true positive on average for the attack and benign data found by analyzing the training *** results showed that the CSL was effective in reducing the training and detection time,and Ra-CSL was effective in increasing the detection *** to the experimental results,the data compression technique reduced the memory size by up to 20%and the training and detection times by 67%when compared with the conventional *** addition,the proposed technique improves the detection accuracy;the naive Bayes model with the highest performance showed a detection rate of approximately 99%.

关键词： IoT security intrusion detection machine learning traffic classification

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Complete restoration of congenital conductive hearing loss by staged surgery: A case report

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World Journal of Clinical Cases 2021年第33期9卷 10286-10292页

作者： Ji Seob Yoo Chan Mi lee Yun na Yang eun Jung lee Department of Otorhinolaryngology-Head and Neck Surgery Jeonbuk National University College of MedicineJeonju 54907South Korea Biomedical Research Institute Clinical Medicine of Jeonbuk National UniversityJeonbuk National University HospitalJeonju 54907South Korea

BACKGROUND Stapedial tendon ossification is a rare disease,with only a few *** stapedial tendon originates from the apex of the pyramidal eminence and is attached to the neck of the *** stapedial tendon ossification,the stapes is fixed,causing conductive hearing *** most cases,complete hearing restoration is achieved by dividing the stapedial tendon after exploratory *** SUMMARY A 28-year-old woman presented to our hospital with the major complaint of bilateral hearing loss that started during *** tympanotomy was performed due to suspicion of otosclerosis or middle ear *** found bilateral conductive hearing loss due to stapedial tendon ossification with a middle ear anomaly during *** have been several reports of complete recovery of hearing after resection of the stapedial ***,in this case,recovery of hearing was insufficient,even with the division of the stapedial *** the second surgery,the stapes anomaly and footplate fixation were confirmed,and hearing was completely recovered after ***,we report this case with a review of the relevant *** This is the first case of stapedial tendon ossification and fixation of the footplate surgically diagnosed on both *** surgical treatment,successful results are expected.

关键词： Stapedial tendon ossification Middle ear anomaly Footplate fixation Congenital hearing loss Stapedotomy Case report

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Effect of Lycopus lucidus *** on gut microflora and short chain fatty acid composition in Crj:CD-1 mice

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BIOCELL 2022年第9期46卷 2101-2109页

作者： eun na SUN YOUNG LIM Ocean Science and Technology School Korea Maritime&Ocean UniversityBusanKorea2 Division of Convergence on Marine ScienceKorea Maritime&Ocean UniversityBusanKorea

We investigated the diversity and composition of microflora in feces of Lycopus lucidus Turcz.-fed *** addition,we evaluated the production of major cytokines(Interleukin-6 and-10)which are related to inflammation and fatty acid composition of several tissues.16S ribosomal Dna sequencing-based microbiome taxonomic profiling analysis was performed utilizing the EzBioCloud data *** mice fed on *** showed a significantly reduced number of lactic acid bacteria and coliform in the feces compared with the control group(pna sequencing analysis of fecal samples showed that *** supplementation decreased the community of harmful microflora(Enterobacteriaceae including Escherichia coli and Bacteroides sp.)in feces compared with the control group(pna expression of cytokine IL-6 and IL-10 between the control and *** fed *** fecal fatty acid composition in the *** group had percentages of 4:0,6:0,8:0 and 10:0 in the intestine but those short chain fatty acids were not detected in the control *** results showed that *** supplementation influenced gut environment by decreasing harmful microflora and increased the percentages of several short fatty acids.

关键词： Lycopus lucidus Turcz Fatty acid composition Intestinal microflora 16S rDna sequencing Cytokines

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Application of powdered activated carbon coating to fabrics in a hybrid filter to enhance mercury removal

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Journal of Environmental Sciences 2019年第6期31卷 58-65页

作者： Jin-Ho Sung Seung-Ki Back eun-Song lee Ha-na Jang Yong-Chil Seo Youn-Suk Kang Myong-Hwa lee Department of Environmental Engineering Yonsei University J-E Tech Co. Ltd Department of Environmental Engineering Kangwon National University

Elemental mercury(Hg0) is predominant constituent of flue gas emitted from coal-fired power plants. Adsorption has been considered the best available technology for removal of Hg0 from flue gas. However, adsorbent injection increases the amount of ash generated. In the present study, powdered activated carbon(PAC) was coated on polytetrafluoroethylene/glass fiber filters to increase Hg0 removal while concurrently reducing the amount of ash generated. The optimal PAC coating rate was determined in laboratory experiments to ensure better Hg0 removal with low pressure drop. When PAC of particle size less than 45 μm was used, and the areal density was 50 g/m2, the pressure drop remained under 30 Pa while the Hg0 removal efficiency increased to 15.8% from4.3%. The Hg0 removal efficiency also increased with decrease in filtration velocity. The optimal PAC coating rate was applied on a hybrid filter(HF), which was combined with a bag filter and an electrostatic precipitator in a single chamber. Originally designed to remove fine particulates matter, it was retrofitted to the flue gas control device for simultaneous Hg0 removal. By employing the PAC coating, the Hg removal efficiency of the HF increased to 79.79% from 66.35%. Also, a temporary reduction in Hg removal was seen but this was resolved following a cleaning cycle in which the dust layer was removed.

关键词： Mercury Hybrid filter Activated carbon Coating filter Coal-fired power plant

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Wake-Up Security:Effective Security ImprovementMechanism for Low Power Internet of Things

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Intelligent Automation & Soft Computing 2023年第9期37卷 2897-2917页

作者： Sun-Woo Yun na-eun Park Il-Gu lee Department of Future Convergence Technology Engineering Sungshin Women’s UniversitySeoul02844Korea Department of Convergence Security Engineering Sungshin Women’s UniversitySeoul02844Korea

As time and space constraints decrease due to the development of wireless communication network technology,the scale and scope of cyber-attacks targeting the Internet of Things(IoT)are ***,it is difficult to apply high-performance security modules to the IoT owing to the limited battery,memory capacity,and data transmission performance depend-ing on the size of the *** research has mainly reduced power consumption by lightening encryption ***,it is difficult to defend large-scale information systems and networks against advanced and intelligent attacks because of the problem of deteriorating security *** this study,we propose wake-up security(WuS),a low-power security architecture that can utilize high-performance security algorithms in an IoT *** introducing a small logic that performs anomaly detection on the IoT platform and executes the security module only when necessary according to the anomaly detection result,WuS improves security and power efficiency while using a relatively high-complexity security module in a low-power environment compared to the conventional method of periodically exe-cuting a high-performance security *** this study,a Python simulator based on the UNSW-NB15 dataset is used to evaluate the power consumption,latency,and security of the proposed *** evaluation results reveal that the power consumption of the proposed WuS mechanism is approxi-mately 51.8%and 27.2%lower than those of conventional high-performance security and lightweight security modules,***,the laten-cies are approximately 74.8%and 65.9%lower,***,the WuS mechanism achieved a high detection accuracy of approximately 96.5%or greater,proving that the detection efficiency performance improved by approximately 33.5%compared to the conventional *** performance evaluation results for the proposed model varied depending on the applied anomaly-detection

关键词： Internet of Things security anomaly detection low-power architecture energy efficiency wake-up security

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p73 G4C14 to A4T14 polymorphism is associated with colorectal cancer risk and survival

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World Journal of Gastroenterology 2010年第35期16卷 4448-4454页

作者： Kyung-eun lee Young-Seoub Hong Byoung-Gwon Kim na-Young Kim Kyoung-Mu lee Jong-Young Kwak Mee-Sook Roh Department of Clinical Laboratory Science College of Health Sciences Catholic University of Pusan Department of Preventive Medicine Dong-A University College of Medicine Clinical Research Institute Seoul National University College of Medicine Medical Research Center for Cancer Molecular Therapy Dong-A University College of Medicine Department of Pathology Dong-A University College of Medicine

AIM:To analyze the association between the p73 G4C14-to-A4T14 polymorphism(a.k.a.,the GC/AT variation) and colorectal cancer risk and survival in the Korean population,and to evaluate the relationships between p73 polymorphism and the p73 protein expression or clinicopathological characteristics of colorectal ***:Three hundred and eighty-three histologically confirmed cases and 469 healthy controls,recruited at one teaching hospital in Pusan,Korea from 2001 and 2007,were genotyped for p73 G4C14-to-A4T14 by PCR with confronting two-pair primers(PCR-CTPP) and the expression profile of p73 in cancer tissues(n=383) was analyzed by ***:Odds ratios(ORs) and 95% confidence intervals(CIs) were calculated by unconditional logistic regression model adjusted for age and *** with the GC/GC genotypes,the GC/AT and AT/AT genotypes were significantly associated with colorectal cancer risk(GC/AT vs GC/GC:OR = 1.46,95% CI:1.10-1.94;AT/AT vs GC/GC:1.72,0.98-3.03;Ptrend=0.01).When stratified by age and gender,the association was restricted to those less than 60 years of age(GC/AT or AT/AT vs GC/GC:2.22,1.39-3.55) and male(GC/AT or AT/AT vs GC/GC:1.91,1.31-2.77).The expression of p73 was associated with invasion depth(P = 0.003) and advanced Duke's stage(P = 0.06) of colorectal *** patients with the GC/GC genotype were associated with worse survival compared with those with the other genotypes(P = 0.02).However,no signif icant relationship was observed between the p73 G4C14-to-A4T14 polymorphism and p73 protein expression in cancer ***:Our results suggest that the p73 GC/AT polymorphism is associated with an increased colorectal cancer risk and survival in the Korean population.

关键词： p73 G4C14 to A4T14 polymorphism Colorectal cancer

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Clinical efficacy of combined topical 0.05%cyclosporine A and 0.1%sodium hyaluronate in the dry eyes with meibomian gland dysfunction

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International Journal of Ophthalmology(English edition) 2018年第4期11卷 593-600页

作者： Ho-Yun Kim Ji-eun lee Ha-na Oh Ju-Whan Song Sang-Youp Han Jong-Soo lee Department of Ophthalmology Maryknoll Medical CenterBusan 48972South Korea Department of Ophthalmology Pusan National University Yangsan HospitalYangsan 50612South Korea Department of Ophthalmology Inje University Baek HospitalBusan 47392South Korea Department of Ophthalmology Kosin University hospitalBusan 49267South Korea Sungrno Eye Clinic Busan 48064South Korea Department of Ophthalmology Pusan National University HospitalBusan 49241South Korea Medical Research Institute Pusan National University HospitalBusan 49241South Korea

AIM： To investigate the efficacy of combined topical 0.05% cyclosporine A（CsA; Restasis~？, Allergan pharmaceuticals, USA） and 0.1% sodium hyaluronate treatment in dry eyes with meibomian gland dysfunction（MGD）.METHODS： In a retrospective analysis, 53 patients（106 eyes） with MGD were enrolled and performed lid warm massage for 10 min daily and be instilled preservative free sodium hyaluronate 0.1% eye drops 4 times daily. Patients were divided into subjects treated with topical 0.05% CsA and preservative free sodium hyaluronate vehicle（experimental group, n=74 eyes） and subjects treated with the preservative free sodium hyaluronate vehicle（control group, n=32 eyes）. They were evaluated at baseline and 1, 2, and 3 mo for subjective symptoms and objective signs including tear film break-up time（t BUT）, Schirmer test, corneal staining（CS） score, lid margin telangiectasia（LMT）, meibomian gland secretion（MGS）, and conjunctival injection（CI）.RESULTS： In the short-term treatment, the experimental group showed a statistically significant improvement in the ocular surface disease index（OSDI; P〈0.001）, tBUT（P=0.004）, Schirmer test score（P=0.008） and LMT（P=0.021） by repeated measure ANOVA. Additionally, mean changes from baseline in OSDI（P〈0.001）, tBUT（P=0.001）, Schirmer test score（P=0.029）, CS score（P=0.047）, LMT（P=0.002）, CI（P=0.030） were improved better in the experimental group than in the control group at 3 mo. However, there was no significant difference between the two groups in MGS（P=0.67）.CONCLUSION： In dry eyes with MGD, 0.05% CsA improves the tear film stability as well as subjective ocular discomfort, and is effective in controlling lid margin inflammation.

关键词： 0.05% cyclosporine 0.1% hyauronate meibomian gland dysfunction dry eye

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Effect of Black Sea bream extracts on cytokine production inlipopolysaccharide-induced inflammation

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BIOCELL 2020年第2期44卷 193-199页

作者： eun na MYOUNGWON CHOI INDAL PARK SUNYOUNG LIM Ocean Science and Technology School Korea Maritime&Ocean UniversityBusanKorea Department of Microbiology Kosin University College of MedicineBusanKorea Division of Marine Bioscience Korea Maritime&Ocean UniversityBusanKorea

We investigated the effect of black sea bream extracts on changes in pro-inflammatory and anti-inflammatory cytokines induced by lipopolysaccharide(LPS)in murine *** levels of pro-inflammatory cytokines[interleukin(IL)-6,tumor necrosis factor-α(TNF-α),IL-12/IL-23(p40)and IL-17A]and anti-inflammatory cytokines[IL-4,IL-10 and interferon-γ(IFN-γ)]were *** of murine splenocytes with acetone+methylene chloride(A+M)and methanol(MeOH)extracts significantly decreased LPS-induced IL-6,IL-12/IL-23(p40)and IL-17A productions after 6 h incubation(p<0.05).The A+M and MeOH extracts significantly increased LPS-induced IL-4 and IFN-γproductions at 48 and 72 h incubation(p<0.05).Treatment with A+M extract resulted in significantly higher IL-10 production in splenocytes after 72 h(p<0.05).Conclusively,black sea bream extracts were shown to be efficient in falling several pro-inflammatory cytokines while rising anti-inflammatory *** our results suggest that black sea bream extracts selectivity modulate immune events.

关键词： Black Sea bream Cytokines Interleukin-4 Interleukin-6 Interleukin-17A

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