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https://www.readbyqxmd.com/read/29333352/smartphone-based-point-of-care-urinalysis-under-variable-illumination
#1
Moonsoo Ra, Mannan Saeed Muhammad, Chiawei Lim, Sehui Han, Chansung Jung, Whoi-Yul Kim
Urine tests are performed by using an off-the-shelf reference sheet to compare the color of test strips. However, the tabular representation is difficult to use and more prone to visual errors, especially when the reference color-swatches to be compared are spatially apart. Thus, making it is difficult to distinguish between the subtle differences of shades on the reagent pads. This manuscript represents a new arrangement of reference arrays for urine test strips (urinalysis). Reference color swatches are grouped in a doughnut chart, surrounding each reagent pad on the strip...
2018: IEEE Journal of Translational Engineering in Health and Medicine
https://www.readbyqxmd.com/read/29296561/an-analysis-of-the-combination-frequencies-of-constituent-medicinal-herbs-in-prescriptions-for-the-treatment-of-bone-and-joint-disorder-in-korean-medicine-determination-of-a-group-of-candidate-prescriptions-for-universal-use
#2
Yoo Kyoung Han, Seo Yul Kim, Jae Young Ahn, Jin Ung Baek
Background: This study aimed to select prescriptions (mixtures of medicinal herbs) used in the treatment of bone and joint disorders in Korean medicine, and through the analysis of medicinal herb combination frequencies, select a high-frequency medicinal herb combination group for further experimental and clinical research. Methods: We systematically searched for terms related to bone and joint disorder in the "Dongeuibogam (Dong yibaojian)", a seminal Korean medicine book...
December 2017: Integrative Medicine Research
https://www.readbyqxmd.com/read/29287640/precision-and-trueness-of-dental-models-manufactured-with-different-3-dimensional-printing-techniques
#3
Soo-Yeon Kim, Yoo-Seok Shin, Hwi-Dong Jung, Chung-Ju Hwang, Hyoung-Seon Baik, Jung-Yul Cha
INTRODUCTION: In this study, we assessed the precision and trueness of dental models printed with 3-dimensional (3D) printers via different printing techniques. METHODS: Digital reference models were printed 5 times using stereolithography apparatus (SLA), digital light processing (DLP), fused filament fabrication (FFF), and the PolyJet technique. The 3D printed models were scanned and evaluated for tooth, arch, and occlusion measurements. Precision and trueness were analyzed with root mean squares (RMS) for the differences in each measurement...
January 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29286874/malignant-peripheral-nerve-sheath-tumor-in-children-a-single-institute-retrospective-analysis
#4
Hong Yul An, Kyung Taek Hong, Hyoung Jin Kang, Jung Yoon Choi, CheRy Hong, Hyun-Young Kim, Tae Hyun Choi, Chang Hyun Kang, Han-Soo Kim, Jung-Eun Cheon, Sung-Hye Park, June Dong Park, Kyung Duk Park, Hee Young Shin
Malignant peripheral nerve sheath tumors are rare tumors that originate from Schwann cells. Patients with neurofibromatosis type 1 are prone to develop these tumors. Due to their rarity and lack of established treatment, the prognosis of malignant peripheral nerve sheath tumors is poor. A retrospective study was conducted on children treated for malignant peripheral nerve sheath tumors at the Seoul National University Children's Hospital between 2007 and 2016. Eleven patients were diagnosed with malignant nerve sheath tumors at a median age of 12 years, eight of whom had neurofibromatosis type 1...
December 29, 2017: Pediatric Hematology and Oncology
https://www.readbyqxmd.com/read/29284455/visual-rehabilitation-in-moderate-keratoconus-combined-corneal-wavefront-guided-transepithelial-photorefractive-keratectomy-and-high-fluence-accelerated-corneal-collagen-cross-linking-after-intracorneal-ring-segment-implantation
#5
Hun Lee, David Sung Yong Kang, Byoung Jin Ha, Jin Young Choi, Eung Kweon Kim, Kyoung Yul Seo, Tae-Im Kim
BACKGROUND: To investigate the effects of combined corneal wavefront-guided transepithelial photorefractive keratectomy (tPRK) and accelerated corneal collagen cross-linking (CXL) after intracorneal ring segment (ICRS) implantation in patients with moderate keratoconus. METHODS: Medical records of 23 eyes of 23 patients undergoing combined tPRK and CXL after ICRS implantation were retrospectively analyzed. Uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), manifest refraction spherical equivalent (MRSE), corneal indices based on Scheimpflug tomography, higher-order aberrations (HOAs), and corneal biomechanical properties were evaluated before and after ICRS implantation, and at 1, 3, and 6 months after combined tPRK and CXL...
December 29, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/29283110/the-plasma-induced-formation-of-silver-nanocrystals-in-aqueous-solution-and-their-catalytic-activity-for-oxygen-reduction
#6
Sung-Min Kim, Sang Yul Lee
Ag nanocrystals with different architectures are synthesized using a submerged plasma discharge without the involvement of any chemicals. The Ag architecture relies on the electron density in the plasma that could enable the Ag ions to be reduced instantaneously to generate a large number of small Ag nanoparticles. With a low electron density of 7.1×10<sup>-22</sup> m<sup>-3</sup>, the Ag nanowires with a corrugated structure induced by twinning and stacking faults are formed along the entire longitudinal <111> direction...
December 28, 2017: Nanotechnology
https://www.readbyqxmd.com/read/29282905/the-world-journal-of-men-s-health-has-been-accepted-for-coverage-in-science-citation-index-sci-expanded
#7
EDITORIAL
Dae Yul Yang
No abstract text is available yet for this article.
December 2017: World Journal of Men's Health
https://www.readbyqxmd.com/read/29277732/effects-of-curettage-after-shave-biopsy-of-unexpected-melanoma-a-retrospective-review
#8
Yul W Yang, David J DiCaudo
No abstract text is available yet for this article.
December 22, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29277474/an-evidence-of-c16-fatty-acid-methyl-esters-extracted-from-microalga-for-effective-antimicrobial-and-antioxidant-property
#9
MubarakAli Davoodbasha, Baldev Edachery, Thajuddin Nooruddin, Sang-Yul Lee, Jung-Wan Kim
Fatty acid methyl esters (FAME) derived from lipids of microalgae is known to have wide bio-functional materials including antimicrobials. FAME is an ideal super-curator and superior anti-pathogenic. The present study evaluated the efficiency of FAME extracted from microalgae Scenedesmus intermedius as an antimicrobial agent against Gram positive (Staphylococcus aureus, Streptococcus mutans, and Bacillus cereus) Gram negative (Escherichia coli and Pseudomonas aeruginosa) bacteria and Fungi (Aspergillus parasiticus and Candida albicans)...
December 22, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29245741/first-description-of-the-last-instar-larva-and-pupa-of-the-aquatic-crane-fly-i-limnorimarga-i-i-limonioides-i-alexander-1945-diptera-limoniidae
#10
Virginija Podeniene, Hong-Yul Seo, Tae-Woo Kim, Hye-Woo Byun
Descriptions, illustrations and habitat characteristics are given for the previously unknown larvae and pupae of the East Palaearctic monotypic aquatic crane fly genus Limnorimarga Alexander, 1945 collected from Korea in hygropetric habitats. Diagnostic features and phylogenetic relationships are discussed.
October 24, 2017: Zootaxa
https://www.readbyqxmd.com/read/29228597/diversity-index-as-a-novel-prognostic-factor-in-breast-cancer
#11
Yul Ri Chung, Hyun Jeong Kim, Young A Kim, Mee Soo Chang, Ki-Tae Hwang, So Yeon Park
Intratumoral genetic heterogeneity leads to tumor progression and therapeutic resistance. However, due to the difficulty associated with its assessment, the use of this heterogeneity as a prognostic or predictive marker remains limited. To investigate the significance of the Shannon diversity index of gene copy number variation as a tool for measuring genetic heterogeneity in breast cancer, we performed fluorescence in situ hybridization of c-MYC in two sets of invasive breast cancer samples and correlated the Shannon index of c-MYC copy number variation with clinicopathologic features and patient survival...
November 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/29172397/favorable-effect-of-corticosteroids-in-treating-acute-on-chronic-liver-failure-underlying-chronic-hepatitis-b
#12
Hyeji Kim, Jung Hyun Kwon, Yong Hee Kim, Soon Woo Nam, Jong Yul Lee, Jeong Won Jang
Acute-on-chronic liver failure (ACLF) occurs in the presence of a chronic liver disease or cirrhosis, and often results from exacerbation of chronic hepatitis B (CHB). The efficacy of corticosteroid treatment in ACLF patients with underlying CHB remains unclear. We report the case of a 50-year-old woman who experienced ACLF due to CHB exacerbation and was treated with a combination of corticosteroids and nucleot(s)ide analogue (NUC). The patient showed rapid decompensation due to CHB exacerbation. Three months of antiviral therapy produced no improvement in liver function...
November 27, 2017: Clinical and Molecular Hepatology
https://www.readbyqxmd.com/read/29171214/bioresorbable-vascular-scaffold-korean-expert-panel-report
#13
REVIEW
Jung Min Ahn, Duk Woo Park, Sung Jin Hong, Young Keun Ahn, Joo Yong Hahn, Won Jang Kim, Soon Jun Hong, Chang Wook Nam, Do Yoon Kang, Seung Yul Lee, Woo Jung Chun, Jung Ho Heo, Deok Kyu Cho, Jin Won Kim, Sung Ho Her, Sang Wook Kim, Sang Yong Yoo, Myeong Ki Hong, Seung Jea Tahk, Kee Sik Kim, Moo Hyun Kim, Yangsoo Jang, Seung Jung Park
Bioresorbable vascular scaffold (BRS) is an innovative device that provides structural support and drug release to prevent early recoil or restenosis, and then degrades into nontoxic compounds to avoid late complications related with metallic drug-eluting stents (DESs). BRS has several putative advantages. However, recent randomized trials and registry studies raised clinical concerns about the safety and efficacy of first generation BRS. In addition, the general guidance for the optimal practice with BRS has not been suggested due to limited long-term clinical data in Korea...
November 6, 2017: Korean Circulation Journal
https://www.readbyqxmd.com/read/29171207/formation-and-transformation-of-neointima-after-drug-eluting-stent-implantation-insights-from-optical-coherence-tomographic-studies
#14
REVIEW
Seung Yul Lee, Myeong Ki Hong, Yangsoo Jang
After coronary stent implantation, neointima formation resembles the wound healing process as it involves the sequential processes of inflammation, granulation, and remodeling. Because antiproliferative drugs and polymers of drug-eluting stents (DESs) delay vascular healing compared with bare metal stents, fibrin deposition can remain long after stent implantation, or inflammation can be excessive. Delayed vascular healing can be associated with adverse clinical outcomes including DES thrombosis or restenosis, and poor endothelization of DES neointima can accelerate neoatherosclerotic change inside the neointima, further contributing to luminal restenosis or neointimal instability...
November 2017: Korean Circulation Journal
https://www.readbyqxmd.com/read/29166762/a-portable-high-intensity-focused-ultrasound-system-for-the-pancreas-with-3d-electronic-steering-a-preclinical-study-in-a-swine-model
#15
Won Chang, Jae Young Lee, Jae Hwan Lee, Jae Seok Bae, Yeon Jin Cho, Kook Jin Kang, Keonho Son, Yul Ri Chung, Kyoung Bun Lee, Joon Koo Han
Purpose: The aim of this animal study was to evaluate the safety and feasibility of a portable, ultrasonography-guided, high-intensity focused ultrasound (USg-HIFU) system to treat the pancreas. Methods: Eight swine were included. Using a portable HIFU device (ALPIUS 900, Alpinion Medical Systems), ablations were performed on the pancreas in vivo. Different acoustic intensities were applied (1.7 kW/cm2 or 1.5 kW/cm2 , n=2 [group A for a pilot study]; 1.5 kW/ cm2 , n=3 [group B]; and 1...
October 13, 2017: Ultrasonography
https://www.readbyqxmd.com/read/29165109/attitude-and-practice-of-physical-activity-and-social-problem-solving-ability-among-university-students
#16
Toshimasa Sone, Yousuke Kawachi, Chihiro Abe, Yuki Otomo, Yul-Wan Sung, Seiji Ogawa
BACKGROUND: Effective social problem-solving abilities can contribute to decreased risk of poor mental health. In addition, physical activity has a favorable effect on mental health. These previous studies suggest that physical activity and social problem-solving ability can interact by helping to sustain mental health. The present study aimed to determine the association between attitude and practice of physical activity and social problem-solving ability among university students. METHODS: Information on physical activity and social problem-solving was collected using a self-administered questionnaire...
April 4, 2017: Environmental Health and Preventive Medicine
https://www.readbyqxmd.com/read/29164831/udenafil-a-phosphodiesterase-5-inhibitor-reduces-body-weight-in-high-fat-fed-mice
#17
Seong Yul Ryu, Yoon Jung Choi, So Young Park, Jong Yeon Kim, Yong Dae Kim, Yong Woon Kim
PURPOSE: High-fat (HF) feeding induces hypothalamic leptin resistance via the activation of toll-like receptor 4 (TLR4). TLR4 deficiency confers resistance to diet-induced obesity. Udenafil, an anti-impotence drug, inhibits TLR4 in airway epithelial cells in vitro. In this study, we evaluated whether udenafil suppressed the hypothalamic expression of TLR4 and reduced body weight. MATERIALS AND METHODS: The hypothalamic expression of TLR4, phosphodiesterase 5 (PDE5), nuclear factor-κB (NF-κB), and myeloid differentiation primary response gene 88 (Myd88) was analyzed by real-time polymerase chain reaction after treating mice for 2 days with udenafil (0, 12, 120, or 600 μg/d)...
November 16, 2017: World Journal of Men's Health
https://www.readbyqxmd.com/read/29161707/a-novel-animal-model-simulating-the-beginning-of-combat-exposure
#18
Dongsoo Kim, Chang Yul Kim, Hyojin Koo, Yong Heo, Kicheol Cheon
OBJECTIVE: Predator stress, social defeat stress, and fear conditioning animal models have been applied to investigate combat-related posttraumatic stress disorder (PTSD). However, no animal model psychopharmacological studies have investigated prevention of somatization of increased mental stress and fatigue at the beginning of combat exposure. This study utilized a novel animal model simulating the beginning of combat exposure that aided specification of a set of biomarkers. METHODS: Psychological stress was induced by both inescapable electric foot shock and noise stimuli...
November 22, 2017: Neuroimmunomodulation
https://www.readbyqxmd.com/read/29152973/epidermal-microfluidic-electrochemical-detection-system-enhanced-sweat-sampling-and-metabolite-detection
#19
Aida Martin, Jayoung Kim, Jonas F Kurniawan, Juliane R Sempionatto, Jose R Moreto, Guangda Tang, Alan C Campbell, Andrew Shin, Min Yul Lee, Xiaofeng Liu, Joseph Wang
Despite tremendous recent efforts, non-invasive sweat monitoring is still far from delivering its early analytical promise. Here, we describe a flexible epidermal microfluidic detection platform fabricated through hybridization of lithographic and screen-printed technologies for efficient sweat sampling and continuous real-time electrochemical monitoring of sweat glucose and lactate levels. This soft, skin-mounted device judiciously merges lab-on-a-chip and electrochemical detection technologies, integrated with a miniaturized flexible electronic board for real-time wireless data transmission to a smart device...
November 20, 2017: ACS Sensors
https://www.readbyqxmd.com/read/29135701/verification-of-the-optimal-chest-compression-depth-for-children-in-the-2015-american-heart-association-guidelines-computed-tomography-study
#20
Yong Hwan Kim, Jun Ho Lee, Kwang Won Cho, Dong Woo Lee, Mun Ju Kang, Kyoung Yul Lee, Joung Hun Byun, Young Hwan Lee, Seong Youn Hwang, Na Kyoung Lee
OBJECTIVE: The 2015 American Heart Association guidelines recommended pediatric rescue chest compressions of at least one-third the anteroposterior diameter of the chest, which equates to approximately 5 cm. This study evaluated the appropriateness of these two types by comparing their safeties in chest compression depth simulated by CT. DESIGN: Retrospective study with data analysis conducted from January 2005 to June 2015 SETTING:: Regional emergency center in South Korea...
January 2018: Pediatric Critical Care Medicine
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