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고능력 젖소 축군의 집단번식관리프로그램 적용에 의한 번식효율의 개선
노경수,김의형,남현욱,서국현,강현구,김일화 충남대학교 형질전환복제돼지연구센터 2004 논문집 Vol. No.8
We investigated the effect of reproductive herd health program (RHHP) on the reproductive performance in high yielding dairy herds. Data collected from 205 lactations at Boeun County, Chungbuk from April 2001 to Dec. 2003 included postpartum reproductive and metabolic diseases, body condition score (BCS), reproductive performance and milking records. First we compared the reproductive performance of cows without RHHP (pre-RHHP group) and cows with RHHP (RHHP group). Intervals from calving to first service (99.6 vs. 81.8 days) and to conception (160.3 vs. 131.8 days) were shorter in the RHHP group than in the pre-RHHP group. Secondly, we determined the effect of milk yield (305 days) on the occurrence of postpartum diseases, BCS changes, and reproductive performance in cows under RHHP, The occurrence of metritis and metabolic diseases were greater in the over-10,000 kg group than in the under-l0,000 kg group. The over-10,000 kg group lost more body condition than the under-10,000 kg group from calving to month 3 postpartum. Nevertheless, reproductive performance did not differ between the two groups. These results indicate that reproductive performance can be improved by the application of RHHP in high yielding dairy herds and that reproductive performance in the cows under RHHP are not affected by high milk yielding.
Nam Sook Park,Han Seok Kang,Seon Ku Kim,Yong Gyun Kim,Byung Uuk Cho,Teak Soon Shin,Keun Ki Kim,Hyun Chul Park,Hong Joo Son,Hong Gu Lee,Sang Mong Lee 한국응용곤충학회 2010 한국응용곤충학회 학술대회논문집 Vol.2010 No.05
Fungi belonging to the Paecilomyces spp. have recently been used as food and herbal medicines in Korea and are greatly popular as commercially available powdered supplement or dried fruiting body. Despite this acceptance and its use, little is known of the genes related to its reactive agents. Presently, We have constructed an olig-d(T) primed directional cDNA library from the silkworm Dongchunghacho, an entomopathogenic fungus, of which species is belonging to Paecilomyces spp. based on the previous identification of ITS1 and ITS2 at the molecular level and collected from Jocheon Miryang, Korea. To isolate and screen genes in the fungus, 626 expressed sequence tags(ESTs) were generated by a partial sequencing from the cDNA library. cDNA encoding the glyceraldehyde-3-phosphate dehydrogenase(Pt-GAPDH) of Paecilomyces tenuipes- Jocheon was cloned from the above cDNA library. The complete cDNA sequence of Pt-GAPDH is comprised of 1,014bp encoding 338 amino acid residues. The deduced protein sequence of Pt-GAPDH showed higher homology with Beauberia bassiana-GAPDH(93% amino acid identity). Hydropathy analysis revealed that Pt-GAPDH protein is hydrophilic. The major three amino acids in its composition of amino acid residues were alanine(11.54%), valine(9.47%) and glycine(8.88%). The Pt-GAPDH gene of Paecilomyces tenuipes entomopathogenic fungus consisted of three exons and two introns coding for 338 amino acid residues, and the genomic DNA length of the gene spans 1302bp. The accession number of the gene in GenBank are GU997099 for Pt-GAPDH cDNA and GU997102 for Pt-GAPDH genomic DNA. More investigation works including gene expression, immunological analysis etc. will be carried continuously without hesitation after this presentation.
Nam Sook Park,Han Seok Kang,Seon Ku Kim,Yong Gyun Kim,Byung Uuk Cho,Teak Soon Shin,Keun Ki Kim,Hyun Chul Park,Hong Joo Son,Hong Gu Lee,Sang Mong Lee 한국응용곤충학회 2011 한국응용곤충학회 학술대회논문집 Vol.2011 No.05
Presently, We have constructed an olig-d(T) primed directional cDNA library from the silkworm Dongchunghacho, an entomopathogenic fungus, of which species is belonging to Paecilomyces tenuipes Jocheon-1. To isolate and screen genes in the fungus, 626 expressed sequence tags(ESTs) were generated by a partial sequencing from the cDNA library. Paecilomyces tenuipes Jocheon-1 cDNA encoding the glyceraldehyde-3-phosphate dehydrogenase(Pt-GAPDH) of Paecilomyces tenuipes Jocheon-1 was cloned from the above cDNA library. The complete cDNA sequence of Pt-GAPDHis comprised of 1,014bp encoding 338 amino acid residues. The deduced protein sequence of Pt-GAPDH showed higher homology with Beauberia bassiana-GAPDH(93% amino acid identity). Hydropathy analysis revealed that Pt-GAPDH protein is hydrophilic. The major three amino acids in its composition of amino acid residues were alanine(11.54%), valine(9.47%) and glycine(8.88%). The cDNA encoding Pt-GAPDH was expressed as a 37 kDa polypeptide in baculovirus-infected insect Sf9 cells. The Pt-GAPDH gene of Paecilomyces tenuipes entomopathogenic fungus consisted of three exons and two introns coding for 338 amino acid residues, and the genomic DNA length of the gene spans 1302bp. The accession number of the gene in GenBank are GU997099 for Pt-GAPDH cDNA and GU997102 for Pt-GAPDH genomic DNA.
구원모,류석한,박현숙,김창석 명지대학교 산업기술연구소 2001 産業技術硏究所論文集 Vol.20 No.-
This paper was a study on method that transforms a source speaker voice in order to be heard like voice of a specified speaker. It was able to setimate speech signal feature with proposed MFCC method considering property of human auditory. Applying EM algorithm for estimated feature valuse optimal parameter of GMM, we can compose GMM distribution. Composed GMM determined a weighting value of frequency envelope on speech conversion function. With result of experiment applying HNM in order to convert speech, we can verify that speech signal frequency envelope of a source speaker was similarly converted to speech signal frequency envelope fo a specified speaker.
권구영,김성현,서미경 한국 정신보건 사회사업학회 1999 정신보건과 사회사업 Vol.8 No.-
The main premise of this study is that mental health porblems of the homeless tend to isolate them from society, prolong their period of homelessness, and make them difficult to reestablish their well-being. With 75 homeless people, we reviewed kind of mental health problems, a correlation among the found mental health problems, and change of the problems with the lapse of time. The major findings of the study were 1) drinking problem of the homeless was much greater than normal persons; 2) as for psychiatric symptoms, Somatization, Phobic Anxiety and Psychoticism were more serious than other symptoms; 3) drinking problem were positively related to Somatization, Phobic Anxiety and Psychoticism, so that homeless persons with drinking problem had more serious psychiatric symptoms; 4) the period of homelessness was related to drinking problem, that is, the homeless who is living on a street-corner during 18 months over were having the most serious drinking problem; 5) the period of homelessness was related to psychiatric symptom, that is, homeless persons at the early stage and for long period of time(over 18 months) had the most serious psychiatric symptoms. These results of 4) and 5) were similar to the reaction of normal persons when they are faced with heavy life event and stress. In conclusion, this study recommends clinicians to intervene mental health problems of homeless people actively at the early stage of homelessness in order to prevent from prolong their homeless period.
Er:YAG laser 조사에 의한 치은연하치석 제거효과
조인구,김영준,김병국,정현주 전남대학교 치의학연구소 2002 구강과학 Vol.14 No.3
The purpose of this in vitro study was to evaluate the efficiency of Er:YAG laser on calculus removal and the morphologic changes and hardness of the irradiated surface at different power settings. This experiment used human teeth which were extracted due to periodontal disease and had a band of calculus. Forty root slabs (5x5mm^2) were made and divided into control group and irradiated groups. Experimental groups were as follows;Control group (root planing), Group 1 (irradiated with laser at 30mj), Group 2(irradiated with laser at 60mJ). and Group 3(irradiated with laser at 100mJ). Twelve root slabs embedded in resin block were used in each group. Er:YAG laser was applied under water irrigation with the tip held perpendicular to the root surface in contact mode. The treatment time was measured until the calculus was removed completely under naked eyes. The efficiency of calculus removal was evaluated by the time for removal. Morphological changes of laser irradiated site were observed under SEM and the surface hardness was measured using a VH tester. The results were as follows; 1. The efficiency of laser scaling was increased with increasing the energy level of irradiation. (p<0.05) 2. The morphological changes such as carbonization, crater and scale-like defects in the irradiated root surface were frequently observed with increasing the energy level. 3. The surface hardness tended to increase at 60mJ and 100mJ irradiated groups than that of control group. From the results evaluting on the efficiency, morphological change, and surface hardness, lower energy level was suggested f'or the clinical application of the Er:YAG laser in scaling.
Crown화합물과 분광광도법에 의한 미량 납의 분리 및 분석
이화구,한현택,정창웅 순천향대학교 기초과학연구소 1999 순천향자연과학연구 논문집 Vol.5 No.2
Ion-pair extraction of lead(Ⅱ) form varying concentration of HCI solution was studied employing crown ether in nitrobenzenc as the extractant. Lead(Ⅱ) complex was stripped into alkaline solution and Pb(DDTC)₂complex was replaced quantitatively with Cu(Ⅱ), this complex has maximum absorbance at 450㎚. Beer's law applied in the range of 1.5 ∼ 7.5 ㎍/mL of Pb(Ⅱ) and molar absorptivity is 8.3 × 10³L/mole·㎝.