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Evaluation of freezing injury in temperate fruit trees
2020
Horticulture Environment and Biotechnology
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Alternatively, the data can be normalized based on percent of total capacity to leak (Lee et al. 2013; Yu et al. 2017 ). ...
Thus, recording the amount of cellular leakage provides an estimate of freezing injury in many temperate fruit trees (Lee et al. 2012 (Lee et al. , 2013 Moghadam et al. 2015; Yu et al. 2017) . ...
doi:10.1007/s13580-020-00264-4
fatcat:xro3fb7tcfg7rdymgwtldrsht4
Transcriptional regulation of abscisic acid biosynthesis and signal transduction, and anthocyanin biosynthesis in 'Bluecrop' highbush blueberry fruit during ripening
2019
PLoS ONE
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(XLSX) Author Contributions Conceptualization: Sun Woo Chung, Duk Jun Yu, Hee Jae Lee. Data curation: Sun Woo Chung, Duk Jun Yu, Jong Hwa Ahn, Jin Hoe Huh, Hee Jae Lee. ...
Validation: Sun Woo Chung, Duk Jun Yu, Jin Hoe Huh, Hee Jae Lee. Visualization: Sun Woo Chung. Writing -original draft: Sun Woo Chung. ...
doi:10.1371/journal.pone.0220015
pmid:31318958
pmcid:PMC6638965
fatcat:zqnh5bt2hzbcpgqqixbgdpcw4q
Optimization of orthodontic microimplant thread design
2011
The Korean Journal of Orthodontics
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김광덕 a ㆍ유원재 b ㆍ박효상 c ㆍ경희문 c ㆍ권오원 c 교정용 마이크로 임플란트는 나사산을 매개수단으로 한 인접골 압박으로 골내 고정력을 얻는다. 그러므로 충분한 고정력을 얻기 위해서는 나사산이 크면 유리하다. 그러나 몸체에서 차지하는 나사산의 부피비율이 과도하면 이는 코 어(core) 직경을 감소시켜 파절위험성을 증대시킬 뿐 아니라, 식립 시 나사산이 골을 지나치게 압박, 인접골에 골개형 장애를 일으켜 임플란트를 이완시키는 원인이 될 수도 있다. 따라서 마이크로 임플란트의 안정성은 그 나사산 디자인 이 치밀골 특성과 조화를 이루어야 한다. 본 연구에서는 Absoanchor Ⓡ SH1312-7 (Dentos Inc. Daegu, Korea) 모델 을 비교모델로 선택, 몸체와 나사산 사이즈의 조화를 이루기 위한 최적화 해석을 실행하였다. 나사산의 높이(h)와 피 치(p)를 디자인 변수로 하여 임플란트 안정성 증대, 식립 시 골 과부하 감소, 파절강도 증대를 목표로 목적함수 SQ
doi:10.4041/kjod.2011.41.1.25
fatcat:eukg42qeqfbydl5erd32wrr6x4
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... (Stability Quotient)를 설정, 해석함으로써 4가지의 다른 h, p 조합을 갖는 나사산을 디자인하였다. 4종의 실험모델과 비교모델에 대해 3D 유한요소법을 이용한 임플란트 식립모사 해석으로, 식립 시 예상되는 골 과부하 영역을 비교하 였으며(self tapping과 self drilling의 두 식립 방식에 대해), 또한 실험모델의 실물(prototype)을 가공, 토오크 파절 시 험을 실시하였다. 평가결과, 실험모델은 비교모델에 비해 식립 시 인접골 과부하 영역을 덜 발생시켰으며, 파절강도는 더 높게 관찰되었으며, 이로써 나사산 디자인 최적화에 사용된 SQ의 타당성을 확인할 수 있었다. (대치교정지 2011; 41(1):25-35) 주요 단어: 교정용 마이크로 임플란트, 최적화, 식립 스트레인, 유한요소해석, 파절 토오크 서론 교정용 마이크로 임플란트의 고정원으로서의 기 능은 골내 고정력(holding power)을 기반으로 하며, 1 여기에 관련된 중요한 요소 두 가지는 치밀골과 마 이크로 임플란트 나사산의 디자인이다. 2,3 치밀골은 임플란트의 안정성에 직접적인 영향을 미칠 수 있 으므로 중요하다. 임플란트 종류에 무관하게 안정 성을 얻기 위해서는 식립 시의 초기고정이 필수적 이며 여기에 치밀골의 두께와 밀도가 중요한 역할 을 한다고 보고되었다. 4-6 마이크로 임플란트 경우에 는 치밀골의 역할이 특히 중요하다. 안정성 또는 고 정력의 지표로 간주되는 식립 혹은 제거 토오크가 치밀골 특성에 주로 영향을 받기 때문이며, 7,8 또한 측방으로 작용하는 교정력에 대하여 받침점(fulcrum) 역할을 하는 치밀골의 지지가 부족하다면 마 이크로 임플란트는 쉽게 동요되며 이완될 수 있기 때문이다. 이같은 치밀골의 중요성을 감안, Park 9 은 치근접촉 위험성을 줄이는 동시에 치밀골과의 접촉 면 증대 효과를 얻기 위해 마이크로 임플란트를 치 조골면에 경사지게 식립할 것을 제안하였다. 나사산 디자인이 중요한 이유는 대부분 마이크로 임플란트가 골융합(osseointegration)보다는 나사산을 통해 인접골을 압박 고정(press fit)하여 고정력을 얻 기 때문이다. 그러므로 마이크로 임플란트 몸체에 서 나사산이 차지하는 비율이 크면 고정력을 얻는 데 유리하다. 그러나 나사산이 지나치게 커서 식립 시 골에 과도한 압박을 준다면 이는 골에 국소적인 허혈상태나 괴사를 초래하고 Objective: The purpose of this study was to optimize the thread pattern of orthodontic microimplants. Methods: In search of an optimal thread for orthodontic microimplants, an objective function stability quotient (SQ) was built and solved which will help increase the stability and torsional strength of microimplants while reducing the bone damage during insertion. Selecting the AbsoAnchor SH1312-7 microimplant (Dentos Inc., Daegu, Korea) as a control, and using the thread height (h) and pitch (p) as design parameters, new thread designs with optimal combination of h and p combination were developed. Design soundness of the new threads were examined through insertion strain analyses using 3D finite element simulation, torque test, and clinical test. Results: Solving the function SQ, four new models with optimized thread designs were developed (h200p6, h225p7, h250p8, and h275p8). Finite element analysis has shown that these new designs may cause less bone damage during insertion. The torsional strength of two models h200p6 and h225p7 were significantly higher than the control. On the other hand, clinical test of models h200p6 and h250p8 had similar success rates when compared to the control. Conclusion: Overall, the new thread designs exhibited better performance than the control which indicated that the optimization methodology may be a useful tool when designing orthodontic microimplant threads. (Korean J Orthod 2011;41(1):25-35)
Comparative analysis for syndesmotic Fixation vs Non-syndesmotic Fixation of distal Tibiofibular Diastasis
1998
Journal of the Korean Fracture Society
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The ankle fracture with diastasis of distal tibiofibular joint is caused by an axial loading force with concomitant external rotation or other force. Many surgeons have treated this injuries by rigid fixation medial and lateral malleoli with syndesmotic fixation. But recently, syndesmotic fixation is not required to maintain the syndesmosis in cadaver study. The purpose of this study was to determine the effect of syndesmotic fixation on ankle fracture. Seventy-five patients of ankle fracture
doi:10.12671/jksf.1998.11.3.585
fatcat:yomepdsjnzfmvmk4oi2rpdkoba
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... th syndesmotic injury treated at Korea Veterans Hospital from Jan. 1990 to Dec. 1996 were analysed in clinical and radiological aspect. The syndesmotic fixation was not : 6-2 (134-060) Tel : 02) 225 -0250 Fax : 02) 487 -0754 1 9 9 8 .
Verifying the Effectiveness of Sports Event Policies for a City's Sustainable Growth: Focusing on the Multiple Effects
2021
Sustainability
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This article presents empirical evidence that suggests that there are multiple effects of local government sports event hosting policies. This study is predicated on the notion that the attraction of sports events is a feature of city-level policies. The empirical analysis used a multiple effects model, and the research employed a dual model approach: (a) a sponsorship effect model and (b) a tourism effect model. A questionnaire was administered online, and 383 cases were used for data
doi:10.3390/su13063285
fatcat:ncu3kn2m5rhatbavcfpnmasiau
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... g. Confirmatory factor analysis and structural equation modeling were performed using SPSS 25.0 and AMOS 25.0. (a) In the "business model," it was confirmed that event satisfaction affected sustainable purchase intention only through the sponsor's social image. (b) The "tourism model" confirmed that event satisfaction affected the intention to engage in positive word of mouth to recommend the destination through both forming a psychological attachment and experiencing emotional satisfaction. Among the event satisfaction factors, service satisfaction was identified as more important than facility satisfaction. As shown by the above results, satisfaction with sports events had simultaneous effects on the persistence of the sponsorship effects model and the persistence of tourism effects. The study concluded that attractive sports events promoted sustainable urban growth.
Two imported cases of cutaneous larva migrans
2001
Korean Journal of Parasitology
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RYU 2) *, Eun-Kyung HONG 3) , Jung-Uk LEE 4) , Hee-Joon YU 1) , Myoung-Hee AHN 2) and Duk-Young MIN 2) Departments of Dermatology 1) , Parasitology 2) and Pathology 3) , Hanyang University College of ...
examination showed no ova
─77─ The Korean Journal of Parasitology Vol. 39, No. 1, 77-81, March 2001 � Case Report � Two imported cases of cutaneous larva migrans Jin-Woo PARK 1) , Sang-Jin KWON 1) , Jae-Sook ...
doi:10.3347/kjp.2001.39.1.77
pmid:11301593
pmcid:PMC2721068
fatcat:6oajf5r5z5gkvjyqxbhsos4wbu
A Case of Pulmonary Alveolar Microlithiasis
2011
Journal of Korean medical science
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A Case of Pulmonary Alveolar Microlithiasis Pulmonary alveolar microlithiasis (PAM) is a rare disease with unknown etiology and pathogenesis. It is characterized by diffuse, innumerable, and minute calculi, called microlithiasis in the alveoli. More than half of reported cases are asymptomatic at the time of diagnosis. We describe the first case of PAM in Korea. A 19-yr-old man without respiratory symptoms presented with interstitial thickening on the chest radiograph. His chest high resolution
doi:10.3346/jkms.2011.26.10.1391
pmid:22022196
pmcid:PMC3192355
fatcat:h56zhdlelfeohg23vcy5usuo3a
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... CT scan showed diffusely scattered, ill defined tiny micronodules and interstitial thickening. Open lung biopsy confirmed the diagnosis of PAM. He was followed up for 6 months without treatment, and no progression was noticed.
Granulocyte Colony Stimulating Factor (G-CSF) Attenuates 2,4,6-Trinitrobenzene Sulfonic Acid (TNBS)-induced Colitis in Mice
2006
Immune Network
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Granulocyte colony stimulating factor (G-CSF) is known as a cytokine central to the hematopoiesis of blood cells and to modulate their cellular functions. Besides granulocytes and their precursors, monocytes/macrophages and endothelial cells are direct target cells of G-CSF action. G-CSF influences immune cells in an antiinflammatory way. Methods: To evaluate whether G-CSF has a potential for preventing or ameliorating diseases characterized by mucosal inflammation, we used a mouse model with
doi:10.4110/in.2006.6.1.13
fatcat:33w3wzn3bfah5djlocdoevhibi
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... initrobenzene sulfonic acid (TNBS)-induced inflammatory colitis. To the mice model G-CSF was administrated daily by intraperitoneal injection. Macroscopic evaluation and immunohistochemical analysis of colonic tissues were performed. Results: Recombinant human G-CSF significantly inhibited LPS-induced TNF-mRNA expression in THP-1 cells. As for in vivo relevance, G-CSF dramatically reduced the weight loss of mice, colonic damage, and mucosal ulceration that characterize TNBS colitis. Moreover, G-CSF suppressed the expression of tumor necrosis factor-, interleukin-1 , and intercellular adhesion molecule-1 in TNBS colitis. Conclusion: Current results demonstrate that G-CSF may be an effective agent for the treatment of diseases characterized by mucosal inflammation. (Immune Network 2006;6(1):13-19)
Treatment of Supracondylar Fractures of the Humerus in Children
1999
Journal of the Korean Fracture Society
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The supracondylar fracture of the humerus is the most common fracture of the elbow in children and is occasionally associated with significant residual complications such as cubitus varus deformity. Clincal analysis was performed on 32 patients with displaced supracondylar fractures of humerus, who were treated either by closed reduction and percutaneous pinning or by open reduction and internal fixation. The results were as follows : 1. The average age of the children was 6.8 years old in both
doi:10.12671/jksf.1999.12.1.179
fatcat:5hhtblpk7fclpfosron2la6zau
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... sexes, and male to female was 21 : 11. 2. The extension type was 26 cases(82%), flexion type was 6 cases(18%) and the left side was more frequently involved. 3. According to Pirone classification, type II was 14 cases, type III 18 cases. 4. There was no significant difference in the mean duration of bony union between the percutaneous group and the open reduction group. 5. Cubitus varus deformity and limitation of elbow motion were more common complications
Transcriptome Analysis of Genes Involved in Cold Hardiness of Peach Tree (Prunus persica) Shoots during Cold Acclimation and Deacclimation
2020
Genes
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[13] and adjusted using the equation reported by Yu et al. [14] . The median lethal temperature (LT 50 ) was calculated using the Gompertz function and used as a measure of cold hardiness. ...
doi:10.3390/genes11060611
pmid:32492847
fatcat:mj446wthzzb6bko5elze573dem
Clinical Features and Prognosis of Resectable Primary Colorectal Signet-Ring Cell Carcinoma
2015
Intestinal Research
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worldwide public health issue. Primary signet-ring cell carcinoma (SRC) of the colon and rectum is a rare and distinctive type of cancer. Because SRC patients tend to have a more advanced and unresectable stage at the time of their diagnosis compared with colorectal, non-mucinous adenocarcinoma (NMAC) patients, the prognosis of SRC is generally poor. [4] [5] [6] [7] [8] This poor prognosis may be associated with the lower curative resection rate of this cancer type and a higher incidence of an
doi:10.5217/ir.2015.13.4.332
pmid:26576139
pmcid:PMC4641860
fatcat:5lksrtynrjbojgmnegf4jbtzjq
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... dvanced stage at the time of detection, rather than with the actual tumor histology. A comparative analysis confined to SRC and NMAC tumors at the "resectable" stage can provide more accurate information regarding the prognosis of SRC by excluding the influence of possible unresectability. Therefore, we attempted to investigate the prognosis of SRC patients who underwent curative surgery by comparing them with age-, sex-, and stage-matched NMAC patients. Background/Aims: We attempted to investigate the prognosis of signet-ring cell carcinoma (SRC) patients who underwent curative surgery by comparing them with age-, sex-, and stage-matched non-mucinous adenocarcinoma (NMAC) patients. Methods: Between January 2003 and December 2011, 19 patients with primary SRC of the colorectum underwent curative surgery. Four SRC patients under the age of 40 were excluded, and the clinicopathological data of 15 patients (7 men; median age, 56 years) were reviewed and compared with the data of 75 NMAC patients matched by age, sex, and pathologic stage. Results: The median follow-up duration was 30.1 months for the SRC group and 43.7 months for the NMAC group (P=0.141). Involvement of the left side of the colon (73.3% vs. 26.7%, P=0.003) and infiltrative lesions such as Borrmann types 3 and 4 (85.7% vs. 24.0%, P=0.001) were more common in the SRC group than in the NMAC group. The five-year overall survival rate was significantly lower for patients with SRC than for those with NMAC (46.0% vs. 88.7%, hazard ratio, 6.99; 95% confidence interval, 2.33−20.95, P=0.001). Conclusions: Patients with even resectable primary colorectal SRC had a poorer prognosis than age-, sex-, and stage-matched colorectal NMAC patients. (Intest Res 2015;13:332-338)
Calreticulin, a Calcium-binding Molecular Chaperone, Is Required for Stress Response and Fertility in Caenorhabditis elegans
2001
Molecular Biology of the Cell
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Immunogold Staining Immunogold staining with adult N2 worms and crt-1 (jh101) was carried out as described (Yu and Chai, 1995) . ...
doi:10.1091/mbc.12.9.2835
pmid:11553721
pmcid:PMC59717
fatcat:j26mpvunlracnps7lzytt2kyey
A study of desulfurization ability and activation energy for CuO-AgO sorbents
2005
Korean Journal of Chemical Engineering
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Calcium Deficiency Causes Pithiness in Japanese Pear (Pyrus pyrifolia cv. Niitaka) Fruit
칼슘 결핍에 의한 '신고' 배 (Pyrus pyrifolia cv. Niitaka) 과실에서의 바람들이
2013
Korean Journal of Environmental Agriculture
칼슘 결핍에 의한 '신고' 배 (Pyrus pyrifolia cv. Niitaka) 과실에서의 바람들이
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BACKGROUND: Pithy pear fruit are not distinguished externally from sound fruit and thus often cause unexpected economic losses. To find out the cause of pithiness, the pithiness incidence and characteristics of Japanese pear (Pyrus pyrifolia cv. Niitaka) fruit picked from a spot frequently produced pithy fruit in an orchard were compared with those of fruit picked from another spot produced sound fruit every year. And the soil chemical properties of the two spots and mineral contents in fruit,
doi:10.5338/kjea.2013.32.2.102
fatcat:f5fuogiytzf2jfle7w2fjdlxta
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... hoots, and leaves of Japanese pear trees cultivated in the two spots were also examined. METHODS AND RESULTS: The pithiness incidence was 0, 8.8, and 11.3% at 7 days before and 0 and 7 days after optimal harvest date, respectively, in the spot frequently produced pithy fruit. Flesh firmness was significantly lower in pithy fruit than in sound fruit, while soluble solids content was slightly higher in pithy fruit than in sound fruit. Unlike other mineral contents, Ca content was significantly lower in pithy fruit than in sound fruit. These results indicate that Ca deficiency in fruit is closely associated with decrease in flesh firmness and thus pithiness development. Ca content in soil of the spot frequently produced pithy fruit was also significantly lower than that in soil of the spot produced sound fruit. However, shoots or leaves did not exhibit significant difference in Ca and/or other mineral contents between the two spots, indicating that Ca deficiency in fruit is dependent on the translocation of Ca within a plant rather than soil Ca status. Although total-N, available P 2 O 5 , K, and Ca contents were significantly lower in soil of the spot frequently produced pithy fruit than in soil of the spot produced sound fruit, Mg and Na contents and pH were not different between the soil conditions. CONCLUSION(S): Fruit maturity and Ca level in fruit are closely related to the incidence of pithiness in 'Niitaka' Japanese pear.
Comparison of Neuropathic Pain in Neuromyelitis Optica Spectrum Disorder and Multiple Sclerosis
2020
Journal of Clinical Neurology
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To compare the characteristics of neuropathic pain in neuromyelitis optica spectrum disorder (NMOSD) and multiple sclerosis (MS). From 2016 to 2018, 500 patients with NMOSD and MS from 6 referral hospitals in Korea underwent pain investigation. After the patients with current pain were matched for sex ratio and disease duration as confounding factors, PainDETECT questionnaires were assessed in 99 NMOSD and 58 MS patients to investigate neuropathic pain. The short form of the Brief Pain
doi:10.3988/jcn.2020.16.1.124
pmid:31942768
pmcid:PMC6974826
fatcat:osd6lmzlgbadjnygyejgf5cxoa
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... from 74 patients with neuropathic pain component was also analysed. According to the PainDETECT questionnaire, mechanical allodynia (p=0.014) and thermal hyperalgesia (p=0.011) were more severe in NMOSD patients than in MS patients. Strong involvements (score >3) of the pain in domains of tingling/prickling sensation (p=0.024), mechanical allodynia (p=0.027), sudden pain attacks (p=0.018), and thermal hyperalgesia (p=0.002) were significantly more frequent in NMOSD compared to MS patients. Among the patients experiencing pain with a neuropathic component, total pain-related interference (p=0.045) scores were significantly higher in NMOSD patients than in MS patients. In daily life, pain interfered with normal work (p=0.045) and relationships with other people (p=0.039) more often in NMOSD patients than in MS patients. Although pain medication was prescribed more frequently in NMOSD patients, the percentage of patients experiencing medication-related pain relief was lower in those patients. The severity of neuropathic pain and the pain-related interference in daily life were greater in NMOSD patients than in MS patients. Individualized analgesic management should be considered based on a comprehensive understanding of neuropathic pain in these patients.
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