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피톤치드 처리 후 구강 내 잔존 S. thermophilus의 P. gingivalis에 대한 효과
정성희,어규식,전양현,홍정표,Jung, Sung-Hee,Auh, Q-Schick,Chun, Yang-Hyun,Hong, Jung-Pyo 대한안면통증구강내과학회 2009 Journal of Oral Medicine and Pain Vol.34 No.1
The antibacterial effect of phytoncide on Porphyromonas gingivalis, which is the main causative agent of periodontal disease and halitosis, has been reported. However, little is known about its effect on normal oral microflora. The present study was performed to observe the effect of phytoncide on oral normal microflora and the inhibitory effect of surviving resident oral bacteria on P. gingivalis. In this study, saliva from each of 20 healthy subjects was treated with 1% phytoncide from Japanese Hinoki (Chamaecyparis obtusa Sieb. et Zucc.). Surviving salivary bacteria were isolated on blood agar plates and identified by 16S rDNA sequencing. In order to select inhibitory isolates against P. gingivalis, the isolates from the phytoncide-treated saliva were cultured with P. gingivalis. The results were as follows: 1. In general, the number of bacteria in saliva from periodontally healthy subjects was decreased when the saliva was treated with 1% phytoncide. 2. The majority of the salivary bacteria surviving the treatment of phytoncide were S. thermophilus (53%). 3. Most of the surviving salivary bacteria (72.5%) inhibit the growth of P. gingivalis A7A1-28 and P. gingivalis W83 on blood agar plates. 4. Among the surviving S. thermophilus, 85.8% of them were observed to inhibit P. gingivalis strains and 75.8% of the surviving S. sanguinis were inhibitory. Taken together, oral resident bacteria surviving phytoncide, which has been shown to inhibit P. gingivalis, may exert an additional inhibitory activity against the periodontopathic bacterium. Therefore, phytoncide can be used for preventing and ceasing the progress of periodontal disease and halitosis, and thus is expect to promote oral health.
정성희,정훈용,김태원,김청수,강경훈,송현순,황창연,명승재,양석균,홍원선,김진호,민영일,Jung Sung-Hee,Jung Hwoon-Yong,Kim Tae Won,Kim Chung Su,Kang Gyung Hoon,Song Hyun Sun,Hwang Chang Yeon,Myung Seung-Jae,Yang Suk-Kyun,Hong Weon-Seon,Kim J 대한위암학회 2002 대한위암학회지 Vol.2 No.1
Carcinomas of the stomach can spread to adjacent structure by local extension or metastasize to lymph nodes, peritoneum and distant organs. However, the incidence of metastatic bladder cancer originated at the stomach is very rare. A fifty-five year-old man admitted complaining of epigastric pain for 2 months. A large ulceroinfiltrative lesion was seen in the low body, which was confirmed poorly differentiated adenocarcinoma by histological examination. Abdominopelvic CT scan showed wall thickening at the greater curvature side of gastric body and urinary bladder. Urine cytology was negative. By transurethral resection of bladder, he was diagnosed as metastatic adenocarcinoma of the bladder. We report a case of stomach cancer with metastasis to urinry bladder.
국내유통 복분자와 토종복분자의 이화학적 특성과 엘라그산 함량 비교연구
정성희(Sung Hee Jung),유혜영(Hye Young Yu),서지호(Ji Ho Seo),이용재(Yong Jae Lee),한민우(Min Woo Han) 한국자원식물학회 2021 한국자원식물학회지 Vol.34 No.2
The purpose of this study was to compare the chemical properties of the bokbunja distributed in Korea with the content of the bioactive substance ellagic acid. The bokbunja was Rubus coreanus group and Rubus occidentalis group were compared, domestic bokbunja and import bokbunja were compared. In bokbunja, free sugar was 30.89 ± 0.7 ㎎/g of Rubus coreanus and 29.05 ± 0.87 ㎎/g of Rubus occidentalis. and 27.28 ± 7.4 ㎎/g of domestic bokbunja and 21.58 ± 6.73 ㎎/g of import bokbunja. The free amino acids was 4.50 ± 0.08 ㎎/g of Rubus coreanus and 5.05 ± 0.08 ㎎/g of Rubus occidentalis. and 4.13 ± 1.09 ㎎/g of domestic bokbunja and 3.75 ± 0.31 ㎎/g of import bokbunja. Validation of the ellagic acid method was confirmed by comparing the retention time and spectrum of the standard and extract using HPLC. The calibration curve (R2) showed linearity of 0.9999. As a result of analyzing the ellagic acid content of each extraction solvent, DMSO and methanol mixture extracts were high, and Rubus coreanus was 2.56 ㎎/g and Rubus occidentalis was 3.16 ㎎/g, which was not significantly different (p < 0.05) In addition, the ellagic acid content of domestic bokbunja and import bokbunja was 2.83 ㎎/g and 2.99 ㎎/g, which was not significantly different (p < 0.05).
정성희(Sung Hee Jung),김종범(Jong Bum Kim),진준하(Joon Ha Jin) 한국공업화학회 2002 공업화학 Vol.13 No.1
화학반응 공정시설의 문제점 해결을 위하여 방사선 및 방사성동위원소를 이용한 진단 기술들이 개발되고 널리 사용되어 왔다. 방사선 이용기술은 가동 중인 시설에 대해서 영향을 미치지 않고 정확한 결과를 얻을 수 있는 장점이 있다. 본 연구에서는 가동 중 이상현상을 보이는 증류탑에 대하여 밀봉 감마선원(Co-60)을 이용하여 on-line으로 내부 구조물의 상태 및 이상현상의 원인과 그 정도를 파악하기 위한 실험을 수행하였다. 감마선 진단 결과 얻은 density profile 로부터 일부 tray에서 flooding 현상이 관찰되었다. 또, 가동을 중지하고 내부가 비워진 상태(dry scan)와 보수 후 정상가동 상태(reference scan)에서 각각의 density profile을 측정하여 향후 유사한 이상 발생시 중요한 참고자료로 사용할 수 있게 되었다. Since 1960s, process diagnotic tools using gamma radiation and redioisotope have been continuously developed and widely applied to various kinds of troubleshooting for process units and reaction vessels without shutting them down. In this study, a gamma scanning technique using radiation via sealed gamma source (Co-60) was carried out, on-line, in order to investigate the internal situation and the possible cause of malfunction of a process column during its operation. The density profile obtained from the gamma ray scanning data showed abnormal phenomena on some parts of trays. To solve the problems observed from this scanning, during the shut down period, the column was re-scanned to study its capacity and efficiency by means of precise level of liquid phase on each tray. After the column has been restarted to the normal condition, the scanning was reperated. The collected scan data served as an important reference for troubleshooting any abnormality in the future operations.
정성희(Jung, Sung-Hee),배영훈(Bae, Young-Hoon),서정일(徐正一),김용재(Kim, Yong-Jae) 동북아시아문화학회 2015 동북아시아문화학회 국제학술대회 발표자료집 Vol.2015 No.8
The purpose of this study is provide basic data that can help in elderly improving the quality of life and successful aging. Wish to figure out effect that physical activity participation through aquatic exercise gets in successful aging in advanced research. First, about concept of successful aging and awareness, among the various cause combination the most important factor confirmed that physical health is realized in highest priority. Second, had a lot of experiment researches about that exert direct influence in physical strength in aquatic exercise and aerobic·anaerobic exercise program as research of physical activity. Result was effect to body capability and psychological well-being, cognition function, dementia prevention. Third, aquatic exercise reduce load that weight eases and goes to knee by floatation of water. Therefore, should encourage actively to elderly who is huging chronic knee pain. Synthesize this study, water exercise that can achieve complex physical activity overcoming physical limitations is thought that it is very suitable exercise to elderly who want successful aging.
정성희(Sung Hee Jung),정훈용(Hwoon Yong Jung),김태원(Tae Won Kim),김청수(Choung Soo Kim),강경훈(Gyeong Hoon Kang),형철호(Chul Ho Hyung),명승재(Seung Jae Myung),양석균(Suk Kyun Yang),홍원선(Weon Seon Hong),김진호(Jin Ho Kim),민영일(Yo 대한소화기학회 2002 대한소화기학회지 Vol.39 No.3
Background/Aims: Metastatic urinary bladder cancer from a distant organ is unusual. The aim of this study was to analyze clinical characteristics of bladder metastases from stomach cancer. Methods: We reviewed the medical records of 14 patients with metastatic bladder cancer from stomach cancer who admitted at Asan Medical Center between June 1989 and April 2001. Results: The mean age was 47.8 (31-61) years. Nine patients were male and 5 patients female. Mean duration between diagnosis of metastatic bladder cancer and the onset of stomach cancer was 19.7 months (0-40). The most common symptom was hematuria (9 cases), followed by dysuria, frequency, and flank pain. Patients underwent CT scan, urine cytology, IVP, and cystoscopy to evaluate metastasis of the urinary bladder. The locations of metastatic urinary bladder cancer were lateral wall (n=4), dome (n=3), posterior wall (n=3), trigone and dome (n=1), uretero-vesical junction (n=1), and entire bladder (n=2). Three patients underwent transurethral resection and one patient took radical cystectomy. Mean survival duration was 5 months (2-11 months). Conclusions: When urologic symptoms newly develop in patients with stomach cancer, metastasis to the urogenital organs should be considered. (Korean J Gastroenterol 2002;39:173-178)