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전체 선택해제
총 703건 검색
본문검색 결과만 보기
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A Kinetic Analysis of the Thermal Degradation of Pyrolytic Heavy Oils obtained from Kiln Pyrolysis Process
Kyong Hwan Lee, Woo-Teck Kwo, Sea Cheon Oh 한국열환경공학회 열환경공학 8 Pages
한국열환경공학회 열환경공학 2011, 제 8권 2호 1 1-8 (8 pages)
The kinetic analysis of the thermal degradation of pyrolytic heavy oils obtained from mixed waste plastics by kiln pyrolysis process has been studied by conventional thermogravimetric technique with various heating rates in nitrogen atmosphere. Results of kinetic analysis show that the activation energies are 24.4~26.5 kJ/mol and the reaction orders are 1.0~1.25, respectively. To verify the effectiveness of the kinetic analysis method used in this work, the experimental values were compared with... -
Glyphosate Toxicity: I. Long Term Analysis of Shikimic Acid Accumulation and Chlorophyll Degradation in Tomato Plant
김태완, 니콜라스 암라인, Kim. Tae-Wan, Amrhein. Nikolaus 한국잡초학회 한국잡초학회지 7 Pages
한국잡초학회 한국잡초학회지 1995, Vol.15 No.2 141-147 (7 pages)
Glyphosate (N-[phosphonomethyl)glycine)에 의한 식물체(植物體)의 피해양상(被害樣相)을 알아보기 위하여 토마토(Lycopersicon esculentum Mil)를 대상으로 하여 동화부위(同化部位)에 부분처리(部分處理)하거나 전(全) 식물체(植物體)에 분무처리(噴霧處理)하였다. Glyphosate는 처리 24시간(時間)이내에 shikimic acid의 급속한 체내(體內) 축적(蓄積)을 유도(誘導)하였다. Shikimic acid의 축적(蓄積)은 정단엽(頂端葉)의 분열조직(分裂組織)에서 엽록소(葉綠素)의 감소(減少)를 동반(同伴)하였다. 이때 나타나는 황화(黃化)현상은... -
GC-MS Analysis of Amur Cork Tree Extract and Its Degradation Products
Ahn. Cheun-Soon 한국의류학회 한국의류학회지 11 Pages
한국의류학회 한국의류학회지 2010, Vol.34 No.6 1042-1052 (11 pages)
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Analysis of the Degradation Products of Turmeric using GC-MS
안춘순, Ahn. Cheun-Soon 한국의류학회 한국의류학회지 10 Pages
한국의류학회 한국의류학회지 2007, Vol.31 No.6 859-868 (10 pages)
퇴색된 출토복식의 염료를 판정하기 위한 장기적인 프로젝트의 일환으로서 본 연구에서는 울금뿌리로부터 추출한 염료와 추출염료로 염색한 직물을 실험실 조건에서 28일간 퇴화시킨 후 그로부터 생성되는 퇴화 화합물을 가스 크로마토그라피 질량분석법(GC-MS)을 이용해 분석하였다. 2-propenoic acid, 3-(2-hydroxyphenyl)-는 오븐 퇴화시킨 울금추출액 전체에서 지속적으로 검출되었으며, 그 양은 7일 퇴화시료 까지 급격히 감소하다가 그 후 28일까지는 서서히 평형을 유지하였다 울금추출액의 오븐 퇴화 결과 위의 다섯 개 화합물... -
Analysis of Degradation Products in Madder Dyed Fabrics in Selective Degradation Conditions
안춘순, Ahn. Cheun-Soon, Obendorf. S.-Kay 한국의류학회 한국의류학회지 11 Pages
한국의류학회 한국의류학회지 2005, Vol.29 No.12 1608-1618 (11 pages)
본 연구는 꼭두서니와 그 표준 색소인 알리자린으로 염색한 직물에 조건적 퇴화를 유도하고, 가스 크로마토그라피 질량분석기(GC-MS)를 이용해 퇴화물을 분석하여 이를 선행연구에서 밝혀진 표준 알리자린 색소의 퇴화물과 비교함으로써 대조구로서의 꼭두서니 염료의 정보를 완성하는데 그 목적을 둔다. 아울러 퇴화 전후 염직물의 색차를 측정하여 조건퇴화에 따른 색의 변화를 조사하였다. 퇴화조건은 상온 (RT), 저온$(7^{circ}C)$ (LT), 고온$(100^{circ}C)$(OV)의 세 종류의 온도 조건과 염료 폐수처리 용도로 활용되고 있는... -
Response Surface Methodology Analysis of Anaerobic Syntrophic Degradation of Volatile Fatty Acids in an Upflow Anaerobic Sludge Bed Reactor Inoculated with Enriched Cultures
Amani. T., Nosrati. M., Mousavi. S.M. 한국생물공학회 Biotechnology and bioprocess engineering 12 Pages
한국생물공학회 Biotechnology and bioprocess engineering 2012, Vol.17 No.1 133-144 (12 pages)
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Analysis of System Performance Degradation Using Sinusoidally Modulated Signal in Optical Fiber Communication Systems
Lee. Jong-Hyung, Han. Dae-Hyun, Park. Byeong-Yoon 한국광학회 Journal of the Optical Society of Korea 6 Pages
한국광학회 Journal of the Optical Society of Korea 2004, Vol.8 No.2 59-64 (6 pages)
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Analysis of Degradation Behaviors of Geomembrane by Accelerated Test under UV Exposure Conditions
박영목, 전한용, Park. Yeong Mog, Khan. Belas Ahmed, Jeon. Han Yong 한국고분자학회 폴리머 10 Pages
한국고분자학회 폴리머 2013, Vol.37 No.1 5-14 (10 pages)
본 연구에서는 UVB-313(자외선 파장 290-315 nm) 노출 하에 smooth HDPE 지오멤브레인과 flexible PP 지오멤브레인에 대한 자외선 노출의 영향을 평가하였다. 인장특성, 용융지수, 표준 및 고압 산화유도시간 및 FTIR/ATR 결과들을 고찰하였다. 노출된 지오멤브레인 시료의 인장특성은 변하지 않았지만, HDPE 지오멤브레인보다 flexible PP 지오멤브레인의 경우 산화방지제의 감소가 더 큼을 알 수 있었다. 대표적인 현장온도 $20^{circ}C$에서의 산화방지제의 수명을 예측하기 위하여 외삽에 의한 Arrhenius 모델을 적용하였다. 자외선... -
A Study on the System Performance Degradation Analysis by Passive intermodulation products in SATCOM System
Sin. Cheon-Sig, Eun. Jong-Won, Lee. Seoung-Pal 통신위성우주산업연구회 Joint Conference on Satellite Communications 10 Pages
통신위성우주산업연구회 Joint Conference on Satellite Communications 2004, Vol.2004 No.1 43-52 (10 pages)
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Analysis of protein expression in Brucella abortus mutants with different growth rates by two-dimensional gel electrophoresis and LC-MS/MS peptide analysis
Woo Bin Park, Young Bin Im, Soojin Shim, Han Sang Yoo 대한수의학회 Journal of Veterinary Science 16 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 2호 8 216-231 (16 pages)
of more than 2-fold were compared with the wild-type. Selected spots underwent liquid chromatography tandem mass spectrometry for peptide analysis. DnaK and ClpB, involved in protein aggregation, increased. SecA and GAPDH, associated with energy metabolism, decreased in some mutants with a growth rate slower than that of the wild-type. Mutants with slower growth showed a decrease in energy metabolism-related proteins, while mutants with faster growth showed an increase in pathogenicity-related... -
In silico analysis of putative drug and vaccine targets of the metabolic pathways of Actinobacillus pleuropneumoniae using a subtractive/comparative genomics approach
Biruk T. Birhanu, Seung-Jin Lee, Na-Hye Park, Ju-Beom Song, Seung-Chun Park 대한수의학회 Journal of Veterinary Science 12 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 2호 5 188-199 (12 pages)
Actinobacillus pleuropneumoniae is a Gram-negative bacterium that resides in the respiratory tract of pigs and causes porcine respiratory disease complex, which leads to significant losses in the pig industry worldwide. The incidence of drug resistance in this bacterium is increasing; thus, identifying new protein/gene targets for drug and vaccine development is critical. In this study, we used an in silico approach, utilizing several databases including the Kyoto Encyclopedia of Genes and... -
Integrated analysis of microRNA and mRNA expressions in peripheral blood leukocytes of Warmblood horses before and after exercise
Hang-Ah Kim, Myung-Chul Kim, Na-Yon Kim, Doug-Young Ryu, Hong-Seok Lee, Yongbaek Kim 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 1호 13 99-106 (8 pages)
The expressions of 6 miRNAs, including 4 known and 2 novel miRNAs, were altered by exercise. The predicted target genes of the differentially expressed miRNAs identified by NGS were matched to the exercise-induced mRNAs determined by microarray analysis. Five genes (LOC100050849, LOC100054517, KHDRBS3, LOC100053996, and LOC100062720) from the microarray analysis were matched to the predicted target genes of the 6 miRNAs. The subset of mRNAs and miRNAs affected by exercise in peripheral blood... -
Dynamic analysis of Ca level during bovine oocytes maturation and early embryonic development
Su Li Liang, Qian Jun Zhao, Xiang Chen Li, Ya Ping Jin, Yi Peng Wang, Xiao Hua Su, Wei Jun Guan, Yue Hui Ma 대한수의학회 Journal of Veterinary Science 10 Pages
대한수의학회 Journal of Veterinary Science 2011, 제 12권 제 2호 5 133-142 (10 pages)
Mammalian oocyte maturation and early embryo development processes are Ca-dependent. In this study, we used confocal microscopy to investigate the distribution pattern of Ca and its dynamic changes in the processes of bovine oocytes maturation, in vitro fertilization (IVF), parthenogenetic activation (PA) and somatic cell nuclear transfer (SCNT) embryo development. During the germinal vesicle (GV) and GV breakdown stage, Ca was distributed in the cortical ooplasm and throughout the oocytes from... -
Comparative study on the aflatoxin B1 degradation ability of rumen fluid from Holstein steers and Korean native goats
Santi Devi Upadhaya, Ha Guyn Sung, Chan Hee Lee, Se Young Lee, Sun Woo Kim, Kyung Jin Cho, Jong K. Ha* 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2009, 제 10권 제 1호 5 29-34 (6 pages)
The aflatoxin B1 degrading abilities of two different ruminants were compared in this study. One set of experiments evaluated the aflatoxin B1 degradation ability of different rumen fluid donors (steers vs. goats) as well as the rumen fluid filtration method (cheese cloth filtered vs. 0.45 Ռm Millipore) in a 2 × 2 factorial arrangement. Additional studies examined aflatoxin B1 degradation by collecting rumen fluid at different times (0, 3, 6, 9 and 12 h) after feeding. Cannulated... -
Immunohistochemical identification and quantitative analysis of cytoplasmic Cu/Zn superoxide dismutase in mouse organogenesis
Jung-Min Yon, In-Jeoung Baek, Se-Ra Lee, Mi-Ra Kim, Beom Jun Lee, Young Won Yun, Sang-Yoon Nam 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2008, 제 9권 제 3호 2 233-240 (8 pages)
The signal in embryos was observed at the lowest level on ED 9.5-11.5, and the highest level on ED 17.5-18.5, while levels remained constant in the surrounding extraembryonic tissues during all developmental stages examined. Immunohistochemical analysis of SOD1 expression on ED 13.5-18.5 revealed its ubiquitous distribution throughout developing organs. In particular, high levels of SOD1 expression were observed in the ependymal epithelium of the choroid plexus, ganglia, sensory cells of the... -
Modern Methods for Analysis of Antiepileptic Drugs in the Biological Fluids for Pharmacokinetics, Bioequivalence and Therapeutic Drug Monitoring
JuseopKang, Yoo-SinPark, Shin-HeeKim, Sang-HyunKim, Min-YoungJun 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 16 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.2 1 67-82 (16 pages)
of AEDs in biological fluids is a necessity in order to explore pharmacokinetics, bioequivalence and TDM in various clinical situations. There are hundreds of published articles on the analysis of specific AEDs by a wide variety of analytical methods in biological samples have appears over the past decade. This review intends to provide an updated, concise overview on the modern method development for monitoring AEDs for pharmacokinetic studies, bioequivalence and therapeutic drug monitoring. -
Genome Wide Analysis of the Potato Soft Rot Pathogen Pectobacterium carotovorum Strain ICMP 5702 to Predict Novel Insights into Its Genetic Features
Tista Mallick, Rukmini Mishra, Sasmita Mohanty, Raj Kumar Joshi 한국식물병리학회 The Plant Pathology Journal 13 Pages
한국식물병리학회 The Plant Pathology Journal 2022, 38권 2호 4 102-114 (13 pages)
Pectobacterium carotovorum subsp. carotovorum (Pcc) is a gram-negative, broad host range bacterial pathogen which causes soft rot disease in potatoes as well as other vegetables worldwide. While Pectobacterium infection relies on the production of major cell wall degrading enzymes, other virulence factors and the mechanism of genetic adaptation of this pathogen is not yet clear. In the present study, we have performed an in-depth genome-wide characterization of Pcc strain ICMP5702 isolated from... -
Proteomic Reference Map and Comparative Analysis between Streptomyces griseus S4-7 and wbiE2 Transcription Factor-Mutant Strain
Jisu Kim, Young Sang Kwon, Dong-Won Bae, Youn-Sig Kwak 한국식물병리학회 The Plant Pathology Journal 7 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 2호 8 185-191 (7 pages)
map for S. griseus S4-7. Additionally, analysis of differentially expressed proteins was performed against a wblE2 mu- tant, which was deficient in spore chain development and did not express an antifungal activity-regulatory transcription factor. We believe that our data provide a foundation for further in-depth studies of functional keystone taxa of the phytobiome and elucidation of the mechanisms underlying plant-microbe interactions, es- pecially those involving the Streptomyces genus. -
Transcriptomic Analysis of Oryza sativa Leaves Reveals Key Changes in Response to Magnaporthe oryzae MSP1
Qingfeng Meng, Ravi Gupta, Soon Jae Kwon, Yiming Wang, Ganesh Kumar Agrawal, Randeep Rakwal, Sang-Ryeol Park, Sun Tae Kim 한국식물병리학회 The Plant Pathology Journal 12 Pages
한국식물병리학회 The Plant Pathology Journal 2018, 34권 4호 1 257-268 (12 pages)
the induced genes were involved in lipid degradation, protein degradation, and signaling. Moreover, expression of genes encoding receptor-like kinases, MAPKs, WRKYs, hormone signaling proteins and pathogenesis-related (PR) proteins were also induced by MSP1. Mapping these differentially expressed genes onto various pathways revealed critical information about the MSP1-triggered responses, providing new insights into the molecular mechanism and components of MSP1-triggered PTI responses in rice. -
Computational Identification and Comparative Analysis of Secreted and Transmembrane Proteins in Six Burkholderia Species
한국식물병리학회 The Plant Pathology Journal 15 Pages
한국식물병리학회 The Plant Pathology Journal 2017, 33권 2호 7 148-162 (15 pages)
As a step towards discovering novel pathogenesis-related proteins, we performed a genome scale computational identification and characterization of secreted and transmembrane (TM) proteins, which are mainly responsible for bacteria-host interactions and interactions with other bacteria, in the genomes of six representative Burkholderia species. The species comprised plant pathogens (B. glumae BGR1, B. gladioli BSR3), human pathogens (B. pseudomallei K96243, B. cepacia LO6), and plant-growth... -
Transcriptome Analysis of Early Responsive Genes in Rice during Magnaporthe oryzae Infection
한국식물병리학회 The Plant Pathology Journal 12 Pages
한국식물병리학회 The Plant Pathology Journal 2014, 30권 4호 2 343-354 (12 pages)
Rice blast disease caused by Magnaporthe oryzae is one of the most serious diseases of cultivated rice (Oryza sativa L.) in most rice-growing regions of the world. In order to investigate early response genes in rice, we utilized the transcriptome analysis approach using a 300 K tilling microarray to rice leaves infected with compatible and incompatible M. oryzae strains. Prior to the microarray experiment, total RNA was validated by measuring the differential expression of rice defense-related... -
Research Notes : Transcriptome Analysis of the Small Brown Planthopper, Laodelphax striatellus Carrying Rice stripe virus
한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2013, 29권 3호 12 330-337 (8 pages)
by 454 pyrosequencing to construct 1,538 and 953 of isotigs from the mRNA of RVLS and NVLS, respectively. The gene ontology (GO) analysis demonstrated that both libraries have similar GO structures, however, the gene expression pattern analysis revealed that 17.8% and 16.8% of isotigs were up- and down-regulated significantly in the RVLS, respectively. These RSV-dependently regulated genes possibly have important roles in the physiology of SBPH, transmission of RSV, and RSV and SBPH interaction. -
Research Articles : RNAseq-based Transcriptome Analysis of Burkholderia glumae Quorum Sensing
한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2013, 29권 3호 4 249-259 (11 pages)
A comparison of gene expression profiling among the wild-type BGR1 and the two mutants before and after QS onset as well as gene ontology (GO) enrichment analysis from differential expressed genes (DEGs) revealed that genes involved in motility were highly enriched in TofI-dependent DEGs, whereas genes for transport and DNA polymerase were highly enriched in QsmR-dependent DEGs. Further, a combination of pathways with these DEGs and phenotype analysis of mutants pointed to a couple of metabolic... -
Research Articles : Evaluation of Potential Reference Genes for Quantitative RT-PCR Analysis in Fusarium graminearum under Different Culture Conditions
한국식물병리학회 The Plant Pathology Journal 9 Pages
한국식물병리학회 The Plant Pathology Journal 2011, 27권 4호 1 301-309 (9 pages)
The filamentous fungus Fusarium graminearum is an important cereal pathogen. Although quantitative realtime PCR (qRT-PCR) is commonly used to analyze the expression of important fungal genes, no detailed validation of reference genes for the normalization of qRT-PCR data has been performed in this fungus. Here, we evaluated 15 candidate genes as references, including those previously described as housekeeping genes and those selected from the whole transcriptome sequencing data. By a combination... -
Identification and Transcriptional Analysis of Priming Genes in Arabidopsis thaliana Induced by Root Colonization with Pseudomonas chlororaphis O6
한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2011, 27권 3호 9 272-279 (8 pages)
cell signaling, transcription, protein synthesis, and degradation. In addition, expression of selected priming genes were induced in P. chlororaphis O6- colonized plants subjected to water withholding. Genes encoding defense proteins in signaling pathways regulated by jasmonic acid and ethylene, such as VSP1 and PDF1.2, were additional genes with enhanced expression in the P. chlororaphis O6-colonized plants. This study indicated that the expression of priming genes, as well as genes involved in... -
Phenotypic and Genotypic Analysis of Rice Lesion Mimic Mutants
한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2010, 26권 2호 9 159-169 (11 pages)
Lesion mimic mutant (LMM) plants display spontaneous necrotic lesions on their leaves without any pathogenic infection. Specific rice LMMs designated as spotted leaf (spl) including spl1, spl3, spl4, spl5 and spl6 are genetically known as lesion resembling disease (lrd) mutant. The inheritance patterns in the F1 and F2 progenies of these mutants are controlled by recessive genetic factors. Lesion development in the rice LMMs were controlled by both development stages and environmental factors.... -
Photocatalytic degradation and antibacterial investigation of nano synthesized Ag₃VO₄ particles @PAN nanofibers
Prem Singh Saud, Zafar Khan Ghouri, Bishweshwar Pant, Taehee An, Joong Hee Lee, Mira Park, Hak-Yong Kim 한국탄소학회 Carbon Letters 7 Pages
한국탄소학회 Carbon Letters 2016, Vol.18 5 30-36 (7 pages)
as a photo-catalyst for the degradation of methylene blue. Their structural, optical, and photocatalytic properties have been studied by X-ray diffraction, transmission electron microscopy, field-emission scanning electron microscopy equipped with rapid energy dispersive analysis of X-ray, photoluminescence, and ultraviolet?visible spectroscopy. The characterization procedures revealed that the obtained material is PAN nanofibers decorated by Ag₃VO₄ nanoparticles. Photocatalytic degradation of... -
Oxygen Mass Balance Analysis in an Intermittently Aerated Wetland Receiving Stormwater from Livestock Farms
Heidi B. Guerra, Kisoo Park, Youngchul Kim 한국습지학회 한국습지학회지 11 Pages
한국습지학회 한국습지학회지 2016, Vol.18 No.4 18 488-498 (11 pages)
In order to assess the role of aeration in stormwater wetlands, oxygen supply and consumption in a wetland treating runoff from livestock farms were estimated and analyzed. Furthermore, oxygen mass balance was conducted during day time and night time. Internal production by algal photosynthesis dominated the oxygen production particularly in the shallow marsh due to the large amount of algae. Consequently, algal respiration was also the major oxygen depletion element with nitrification and... -
Analysis of water quality improvement efficiency using constructed wetland in a coastal reservoir
Jungsun Hong, Marla C. Maniquiz-Redillas, Jong-Hwa Ham, Lee-Hyung Kim 한국습지학회 한국습지학회지 9 Pages
한국습지학회 한국습지학회지 2016, Vol.18 No.3 12 292-300 (9 pages)
Diverse and comprehensive countermeasures were established to prevent water pollution in coastal areas such as constructed wetlands(CW).This study was conducted to assess the water quality improvement through CW constructed along the shoreline of Hwaseong coastal reservoir. The CW is located in Hwaseong-si, Gyeonggi-do and consisted of a forebay and a wetland. The CW was monitored twice during rainy days and 10 times during dry days. The monitoring results indicated that in and out flowrates...
