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위장질환과 Helicobacter pylori와의 상관관계
정동진 ( Dong Jin Chung ),이동춘 ( Dong Chun Lee ),이정화 ( Jung Hwa Lee ),이상모 ( Sang Mo Lee ),김재명 ( Jea Myung Kim ),최태균 ( Tae Guon Choi ) 대한임상검사과학회 1999 대한임상검사과학회지(KJCLS) Vol.31 No.2
To know the relationship between gastroduodena1 diseases and Helicobacter pylori infection we investigated the prevelence of H. pν10ri infection in 3,248 residents of Kyungpook providence who have participated in a cancer screening program of IgG anti-H. pν10ri antibody test. Among 3,248 residents we compared the patients having gastroduodena1 diseases in X-ray films of upper gastrointestina1 series with the norma1 control group showing norma1 film. H. pν10ri infection was positive in 70.9% of 1,216 control group, and was positive in 87.5% of 1,315 gastroduodena1 disease patients. In gastroduodena1 diseases group, H. Pνlori infection was positive in 87.3% (p va1ue 0.000) of 1,240 gastritis patients, positive in 93.3% (p va1ue 0.056) of 15 gastric ulcer patients, positive in 86.2% (p va1ue 0.072) of 29 duodenitis, and positive in 93.5% (p va1ue 0.006) of 31 duodena1 ulcer patients. H. pylori infection was more frequent in gastroduodena1 disease patients than in the norma1 control group in genera1 population.
인슐린비의존형 당뇨병 환자에서 단시간 운동부하에 의한 혈소판응집능의 감소
정동진(Dong Jin Chung),장현주(Hyun Ju Jang),안재수(Jae Su An),최종상(Jong Sang Choi),윤재영(Jae Young Yoon),정민영(Min Young Chung),이태희(Tai Hee Lee) 대한내과학회 1991 대한내과학회지 Vol.41 No.2
N/A Increased platelet aggregation in diabetes mellitus is considered to be one of the etiologic factors of diabetic microangiopathy. The mechanism influencing platelet aggregation by physical exercise in non-insulin-dependent diabetes mellitus (NIDDM) is poorly understood. This study was performed to evaluate the effectiveness of short-term exercise on platelet aggregation in patients with non-obese, non-insulin-dependent diabetes mellitus compared with the normal group. Before and after submaximal exercise using ergometer, platelet aggregation responses to adenosine diphosphate (ADP), collagen, and epinephrine were measured, and the following results were obtained. 1) In platelet aggregation test, in NIDDM patients (n=45), the maximal platelet aggregations [to ADP; 78.7% (p<0.01), to epinephrine; 74.5% (p<0.05)] were significantly higher than those [to ADP; 65.1%, to epinephrine; 67.3%] of control subjects(n=15). 2) In control subjects (n =9), platelet aggregations after exercise was not significantly changed [before exercise; ADP 65.8±3.55%, collagen 70.2±2.35%, epinephrine 58.3±6.08%, after exercise; ADP 68.0±2.84%, collagen 68.9±2.46%, epinephrine 59.5±5.73%, respectively]. 3) In NIDDM patients (n =13), platelet aggregations to ADP and collagen after exercise were significantly decreased [before exercise; ADP 73.4±3.98%, collagen 79.3±4.24%, epinephrine 72.8±3.57%, after exercise; ADP 67.9±3.27% (p<0.05), collagen 69.3±3.49% (p<0.01), epinephrine 66.8±3.97%, respectively]. 4) There were no differences in the plasma thromboxane B2 levels between controls (4.6±1.44 pg/ml) and NIDDM patients (8.5+1.95pg/ml), and after exercise, thromboxane B2 was decreased, but not significantly, in NIDDM patients (before exercise; 18.1±5.36pg/ml, after exercise; 11.5±2.58 pg/ml). 5) Duration of diabetes, hemoglobin Ai, and fasting blood sugar did not affect the platelet aggregation. These results indicate that short-term exercise decreases platelet aggregation in NIDDM patients.
경북지역 유아 및 초등학생의 말초혈액 참고치에 대한 고찰
정동진 ( Dong Jin Chung ),황애경 ( Ae Kyung Whang ),조창호 ( Chang Ho Cho ) 대한임상병리사협회 2001 임상혈액검사학회 발표자료집 Vol.6 No.1
1999년 4월부터 1999년 10월까지 경북지역의 유아 및 초동학생 3,178명(남 : 1,662명, 여 : 1,516명)을 대상으로 말초 혈액을 채취하여 Sysmex K-1000를 이용하여 얻은 성적을 요약하면 다음과 같다. 1. 백혈구수(×10(3)/㎣)는 2-4세가 5.1-12.9(남 : 4.2-12.2, 여 : 5.1-12.9), 5-6세 4.5-12.1(남 : 4.5-12.1, 여 : 4.5-12.1), 7-12세 4.0-11.0(남 : 4.0-11.0, 여 : 4.2-11.0)이었다. 2. 적혈구수(×10(6)/㎣)는 2-4세가 3.81-4.93(남 : 3.79-4.99, 여 : 3.84-4.84), 5-6세 3.86- 4.98(남 : 3.92-4.96, 여 : 3.81-5.01), 7-12세 4.01- 5.09(남 : 4.04-5.12, 여 : 3.98-5.06)이었다. 3. 혈색소(gm/dl)는 2-4세가 10.7-13.9(남 : 10.7-13.9, 여 : 11.0-13.8), 5-6세 10.9-14.2(남 : 10.9-14.1, 여 : 10.9-14.5), 7-12세 11.6-14.6(남 : 11.6-14.5, 여 : 11.4-14.6)이었다. 4. 혈소판수(×10(3)/㎣)는 2-4세가 181-400(남 : 182-430, 여 : 177-412), 5-6세 190-400(남 : 190-400, 여 : 180-400), 7-12세 190-400(남 : 190-400, 여 : 187-400)이었다. 5. 적혈구용적비, 평균혈소판용적, 평균적혈구혈색소량 및 평균적혈구혈색소농도는 7-12세가 각각 34.0-42.0%, 76.0-86.0 fl, 26.0-31.0pg, 32.0-37.0%이었다. To hematologic findings of peripheral blood in healthy infants and children population, we measured the WBC, RBC, Hgb, Hct, MCV, MCH, MCHC and Platelet counts, determined by Sysmex K-1000 in 3,178(M : 1,662, F : 1,516) persons. The results were summarized as follows : 1. The reference values of WBC count(×10(3)/㎣) were 5.1-12.9(M : 4.2-12.2, F : 5.1-12.9) in 2-4 years, 4.5-12.1(M : 4.5-12.1, F : 4.5-12.1) in 5-6 years and 4.0-11.0(M : 4.0-11.0, F : 4.2-11.0) in 7-12 years, respectively. 2. The reference values of RBC count(×10(6)/㎣) were 3.81-4.93(M : 3.79-4.99, F : 3.84-4.84) in 2-4 years, 3.86-4.98(M : 3.92-4.96, F : 3.81-5.01) in 5-6 years and 4.01-5.09(M : 4.04-5.12, F : 3.98-5.06) in 7-12 years, respectively. 3. The reference values of Hgb(gm/dl) were 10.7-13.9(M : 10.7-13.9, F : 11.0-13.8) in 2-4 years, 10.9-14.2(M : 10.9-14.1, F : 10.9-14.5) in 5-6 years and 11.6-14.6(M : 11.6-14.5, F : 11.4-14.6) in 7-12 years, respectively. 4. The reference values of platelet count(×10(3)/㎣) were 181-400(M : 182-430, F : 177-412) in 2-4 years, 190-400(M : 190-400, F : 180-400) in 5-6 years and 190-400(M : 190-400, F : 187-400) in 7-12 years, respectively. 5. The reference values of Hct, MCV, MCH and MCHC in 7-12 years were 34.0-42.0%, 76.0-86.0fl, 26.0-31.0pg and 32.0-37.0%, respectively.
반응형 인계 난연도료의 제조 1. 피로포스포릭 변성폴리에스테르의 합성
정동진 ( Dong Jin Chung ),정충호 ( Choong Ho Jung ),박홍수 ( Hong Soo Park ),김태옥 ( Tae Ok Kim ),박신자 ( Shin Ja Park ) 한국유화학회 2003 한국응용과학기술학회지 Vol.20 No.1
N/A An intermediate, tetramethylene bis (orthophosphate), was prepared by the esterification of pyrophosphoric acid and 1.4-butanediol. Then pyrophosphoric-containing modified polyesters (ATTBs) were synthesized by polycondensation of tetramethylene bis(orthophosphate), trimethylolpropane, adipic acid, and 1.4-butanediol. The content of 1.4-butanediol was varied from 10 to 20wt% for the traction. The increase of the amount of 1.4-butanediol in the synthesis of ATTBs resulted in increase in average molecular weight and decrease in kinematic viscosity owing to the excellent flowability and reactivity of 1.4-butanediol.
Caprolactone기 함유 하이솔리드 도료용 아크릴수지의 최적 합성조건
정동진 ( Dong Jin Chung ),유혁재 ( Hyuk Jae You ),김성길 ( Seong Kil Kim ),김명수 ( Myung Soo Kim ),박홍수 ( Hong Soo Park ),김태옥 ( Tae Ok Kim ) 한국유화학회 2004 한국응용과학기술학회지 Vol.21 No.3
N/A Acrylic resins (HSCs : EA/EMA/2-HEMA/CLA) which contain 70% solid content were synthesized by the copolymerization of monomers (2-hydroxyethyl methacrylate, ethyl acrylate, and ethyl methacrylate) and functional monomer (caprolactone acrylate : CLA) which improves the crosslinking density and physical properties of films. The physical properties of the prepared acrylic resins (HSCs) containing CLA, are as follows : viscosity 245~515 cps ; M_(n) 2670~2840 ; and conversions, 83~91%, respectively. From the correlation of T_(g) values, viscosities, and M_(n) of the HSCs, it was found that viscosity and M_(n) increased with T_(g) value.
정동진 ( Dong Jin Chung ),박형진 ( Hyong Jin Park ),김성래 ( Sung Rae Kim ),정충호 ( Choong Ho Jung ),우종표 ( Jong Pyo Wu ),함현식 ( Hyun Sik Hahm ),박홍수 ( Hong Soo Park ) 한국유화학회 2003 한국응용과학기술학회지 Vol.20 No.1
N/A Acidic degreasing agent(AADA) was prepared by blending sorbitol, Newpol PE-68, Na-dioctyl sulfosuccinate, Tetronix T-701, MJU-100A, n-octanoic acid, and phosphoric acid, The physical properties of AADA tested with aluminum specimen shdhowed the following results ; when 3wt% AADA-5 was performed at 70℃, the degreasing rate was 95% which is comparitively good, and the percentage of etching was 0.277% which was found to be less than that of commercialized product. when 20wt% of AADA-5 was added at 65℃, the percentage of derusting was 91% and the good defoaming effect proved by following low foaming power tests respectively : Ross and Miles, and Ross and Clark methods.