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Juyoung Hwang,Kyung-Il Jo,Je Young Yeon,Seung-Chyul Hong,Jong-Soo Kim 대한뇌혈관외과학회 2016 Journal of Cerebrovascular and Endovascular Neuros Vol.18 No.2
We present two patients with a dural arteriovenous fistula (dAVF) of the ophthalmic sheath who developed progressive exophthalmos, conjunctival chemosis, and visual loss. These symptoms mimic those of cavernous sinus dAVFs. Dural AVFs of the ophthalmic sheath are extremely rare and their clinical management is controversial. We successfully treated these two patients by transvenous coil embolization. Transvenous embolization appears to be a safe and effective method to treat dAVFs of the ophthalmic sheath.
Applications of Hydrochemical Models for the Assessment of Groundwater
( Jong Yeon Hwang ),( Sunhwa Park ),( Moon-su Kim ),( Hun-je Jo ),( Gyeong-mi Lee ),( In Kyu Shin ),( Sang Ho Jeon ),( Da Hee Song ),( Deok-hyun Kim ),( Tae-seung Kim ),( Hyen Mi Chung ),( Hyun-koo Ki 한국환경분석학회 2017 환경분석과 독성보건 Vol.20 No.3
In this study, we focused on the evaluation and comparison of the physico-chemical characteristics and distribution of cations and anions in groundwater sampled from 2015 (485 samples) to 2016 (145 samples) in rural provinces of Korea. The major objectives of this study were as follows: 1) quality assessment of groundwater for special usage, such as agricultural or industrial applications; 2) the determination of groundwater types; and 3) the tracing of ion sources in groundwater. The assessment of the groundwater qualities from 2015 (n=480 samples) to 2016 (n=145 samples)) for agricultural usages were conducted using SAR (Sodium Adsorption Ratio), Na(%), RSC (Residual Sodium Carbonate), PI (Permeability Index), SSP (Soluble Sodium Percent), MH (Magnesium Hazard), KR (Kelly’s Ratio) and PS (Potential soil Salinity). Furthermore, the results of samples in 2015 were classified as SAR [Excellent (100%)], Sodium [(Excellent (34%), Good (55%), Permissible (9%), Doubtful (1.6%), Unsuitable (0.4%)], RSC [(Good (95.7%), Medium (3.5%), Bad (0.8%)], PI [(Excellent (40.6%), Good (59%), Unsuitable (0.4%)], SSP [(Excellent (26.3%), Good (59.8%), Fair (13.1%), Poor (0.8%)], MH [(Acceptable (94.4%), Non-Acceptable (5.6%)], and Kelly’s Ratio [(Permissible (93%), Non-Permissible (7%)], PS [(Excellent to Good (98%), Good to Injurious (1.2%), and Injurious to Unsatisfactory (0.2%)]. In addition, the groundwater sampled in 2016 was classified as SAR [Excellent (100%)], Sodium [Excellent (2.1%), Good (51.1%), Permissible (39.3%), Doubtful (6.2%), Unsuitable (0.7%)], RSC [Good (100%)], PI [Excellent (100%)], SSP [Excellent (0.7%), Good (37.2%), Fair (61.4%), Poor (0.7%)], MH [Acceptable (96.6%), Non- Acceptable (3.4%)], KR [Permissible (69.7%), (Non-Permissible (30.3%)], and PS [Excellent to Good (100%)]. Evaluations based on the Wilcox diagram were classified as “excellent to good” or “good to permissible” and the water quality evaluated using the U.S. Salinity Laboratory’s Diagram was classified as C1S1 (Excellent/ Excellent) and C2S1 (Good/Excellent) for all samples from 2015 to 2016. Moreover, in the application of two factors of the Langelier Saturation Index (LSI) and Corrosive ratio (CR), we obtained similar results for defining the suitability of groundwater for industrial purposes.
Assessment of Inorganic Chemicals in Groundwater in Rural Provinces of Korea
( Jong Yeon Hwang ),( Sunhwa Park ),( Moon-su Kim ),( Hun-je Jo ),( Gyong-mi Lee ),( Sang Ho Jeon ),( Da Hee Song ),( Deok-hyun Kim ),( Tae-seung Kim ),( Hyen Mi Chung ),( Hyun-koo Kim ) 한국환경분석학회 2017 환경분석과 독성보건 Vol.20 No.2
In this study, we focused on the evaluation, comparison of the physiochemical characteristics, and distribution of cations and anions in groundwater sampled in rural areas of Korea. The on-site measurements of pH, EC, DO, and ORP (average, minimum, and maximum) respectively ranged as follows: 5.7~8.7, 49~1,224 μS/cm, 0.5~11.8 mg/L, and -53.0~697 mV. The assessments of water quality for agricultural usages were evaluated using SAR, sodium (%), RSC, PI, SSP, MH, PS, and Kelly`s ratio (KR) and were classified as SAR [Excellent (100%)], Sodium [Excellent (2.1%), Good (51.1%), Permissible (39.3%), Doubtful (6.2%), Unsuitable (0.7%)], RSC [Good (100%)], PI [Excellent (100%)], SSP [Excellent (0.7%), Good (37.2%), Fair (61.4%), Poor (0.7%)], MH [Acceptable (96.6%), Non-Acceptable (3.4%)], KR [Permissible (69.7%), (Non-Permissible (30.3%)], and PS [Excellent to Good (100%)]. In addition, classifications of groundwater based on the Piper diagram showed that the groundwater was grouped into the Ca<sup>2+</sup>-(Cl<sup>-</sup>-NO<sub>3</sub><sup>-</sup>) and Ca<sup>2+</sup>-HCO<sub>3</sub><sup>-</sup> types, which are general features of groundwater in Korea. Moreover, the tracking of dominance types (classified as evaporation, rock, and precipitation) based on the Gibbs diagram showed that the origins of anions and cations in the groundwater are of rock dominance.
Jang, Ik-Soon,Jo, Eunbi,Park, Soo Jung,Baek, Su Jeong,Hwang, In-Hu,Kang, Hyun Mi,Lee, Je-Ho,Kwon, Joseph,Son, Junik,Kwon, Ho Jeong,Choi, Jong-Soon The Korean Society of Ginseng 2020 Journal of Ginseng Research Vol.44 No.1
Background: The cellular senescence of primary cultured cells is an irreversible process characterized by growth arrest. Restoration of senescence by ginsenosides has not been explored so far. Rg3(S) treatment markedly decreased senescence-associated β-galactosidase activity and intracellular reactive oxygen species levels in senescent human dermal fibroblasts (HDFs). However, the underlying mechanism of this effect of Rg3(S) on the senescent HDFs remains unknown. Methods: We performed a label-free quantitative proteomics to identify the altered proteins in Rg3(S)-treated senescent HDFs. Upregulated proteins induced by Rg3(S) were validated by real-time polymerase chain reaction and immunoblot analyses. Results: Finally, 157 human proteins were identified, and variable peroxiredoxin (PRDX) isotypes were highly implicated by network analyses. Among them, the mitochondrial PRDX3 was transcriptionally and translationally increased in response to Rg3(S) treatment in senescent HDFs in a time-dependent manner. Conclusion: Our proteomic approach provides insights into the partial reversing effect of Rg3 on senescent HDFs through induction of antioxidant enzymes, particularly PRDX3.
Ik-Soon Jang,Eunbi Jo,Soo Jung Park,Su Jeong Baek,In-Hu Hwang,Hyun Mi Kang,Je-Ho Lee,권요셉,Junik Son,HO JEONG KWON,최종순 고려인삼학회 2020 Journal of Ginseng Research Vol.44 No.1
Background: The cellular senescence of primary cultured cells is an irreversible process characterized bygrowth arrest. Restoration of senescence by ginsenosides has not been explored so far. Rg3(S) treatmentmarkedly decreased senescence-associated b-galactosidase activity and intracellular reactive oxygenspecies levels in senescent human dermal fibroblasts (HDFs). However, the underlying mechanism of thiseffect of Rg3(S) on the senescent HDFs remains unknown. Methods: We performed a label-free quantitative proteomics to identify the altered proteins in Rg3(S)-treated senescent HDFs. Upregulated proteins induced by Rg3(S) were validated by real-time polymerasechain reaction and immunoblot analyses. Results: Finally, 157 human proteins were identified, and variable peroxiredoxin (PRDX) isotypes werehighly implicated by network analyses. Among them, the mitochondrial PRDX3 was transcriptionally andtranslationally increased in response to Rg3(S) treatment in senescent HDFs in a time-dependent manner. Conclusion: Our proteomic approach provides insights into the partial reversing effect of Rg3 on senescentHDFs through induction of antioxidant enzymes, particularly PRDX3.