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이혜윤,정용재,이규식,한성희,Lee, Hye-Yun,Chung, Yong-Jae,Lee, Kyu-Shik,Han, Sung-Hee 국립문화재연구소 2002 保存科學硏究 Vol.23 No.-
Sangyangmun is a written record which inform the date, time, history and reason of constructing a wooden building. We have conserved Sangyangmun which was discovered during the repairment and restoration of wooden building. From 1998 to 2002, We have completed the conservation of 27 pieces of 13 cases, for example Daeung-jeon, Bongjeonsa-Temple. First We investigated the material or damage condition of Sangyangmun, and carried out fumigation in order to prevent insects and fungi. Then Sangyangmun must be sealed hermetically using escal film in order to prevent the second damage.
온.습도 변화에 따른 양지의 손상원인 및 보존방안 연구
이혜윤,정용재,이규식,한성희,Lee, Hye-Yun,Chung, Yong-Jae,Lee, Kyu-Sik,Han, Sung-Hee 국립문화재연구소 2000 保存科學硏究 Vol.21 No.-
To examine the method for preservation of papers, 9 kinds of papers were purchased and pretreated for 6 months with various artificial conditions which were controlled as 3 temperature classes($20^{\circ}C$, $80^{\circ}C$, $-20^{\circ}C$&$20^{\circ}C$) and 4 humidity classes(40%, 60%, 80%, 100%).Whiteness, acidity and folding endurance were measured to examine the state of papers pretreated under each condition. From the resultexamining the state, all the papers were best condition at low temperature($20^{\circ}C$) and low humidity(40%) and damaged at high temperature($80^{\circ}C$) and high humidity(100%).The values of whiteness, acidity, and folding endurance were measure din relation with deterioration of papers. According to damage of papers caused by the chemical agent, papers became to be acidic, increased color difference and reduced the force of folding endurance. The effect of change of temperature($-20^{\circ}C$&$20^{\circ}C$) on degradation of papers was not well acquired. Because the period of investigation was not long enough to acquire the data. So the more studies are needed to find the cause of damage of papers.
기존의 경구용 혈당강하제로 혈당조절이 불량한 제2형 당뇨병 환자에 대한 한양방 병용 치료 1례
이혜윤,정은선,윤영주,이상엽,Lee, Hye-Yoon,Jung, Eun-sun,Yun, Youngju,Lee, Sang Yeoup 대한한방내과학회 2021 大韓韓方內科學會誌 Vol.42 No.4
This study presents a case of add-on traditional Korean medical treatments in a 77-year-old male patient with uncontrolled type 2 diabetes mellitus with conventional oral hypoglycemic agents. Chief complaints were uncontrolled glucose level and weight loss. The patient was treated with electroacupuncture (on ST36, CV4, and CV12), herbal medication, and lifestyle advice. The conventional oral hypoglycemic medications were maintained. After 12 weeks, the glycated hemoglobin A1c (HbA1c) decreased from 11.0% to 8.4%. There were significant abnormalities in the liver function and renal function tests, but no adverse event was reported. Further studies are needed to confirm the findings of this case.
이혜윤,한민수,정용재,송정주,Lee, Hye-Yun,Han, Min-Su,Chung, Yong-Jea,Song, Jeoung-Ju 국립문화재연구소 2005 保存科學硏究 Vol.26 No.-
In ancient times, many kinds of difference inorganic and organic pigment were used as colorants for making objects. This study has proved the damage regions on the aging conditions of the silk dyeing traditional pigment. so whiteness, tensile strength and digital-microscope were measured to examine the state of silk dyeing traditional pigments pretreated under each aging condition. From the result examining the state, all the silk dyeing traditional pigments were best condition at low temperature(-20/RT)and normal condition and damaged at high temperature($60^{\circ}C$) and 2ppm $SO_2$condition and UV condition. As a result of X-ray diffraction analysis of crystalline structure for the silk dyeing traditional pigments, most of specimens have nearly changed crystalline structure despite specimens had each other different conditions and times. Especially, specimens which was passing of 4-8 months have not changed in its crystalline structure. But some specimens like a Unghwang and Seokcheong have a little changed in its intensity in the XRD peak. Consequently, If we want to find out alteration of crystalline structure for the silk dyeing traditional pigments using scientific method according to change of environmental conditions, we must guarantee of equal state and strengthen of environmental conditions in specimen. Additionally, the term of experiment need to belong, and specimens which was experimented and analyzed must be same.
이혜윤,정용재,이규식,한성희,Lee, Hye-Yun,Chung, Yong-Jae,Lee, Kyu-Sik,Han, Sung-Hee 국립문화재연구소 1999 保存科學硏究 Vol.20 No.-
According to damage of papers by the chemical cause, papers become to acidify. Among the 3 kinds of method measuring the acidity of paper, one was nondestructive method measuring the surface of the paper by flat type electrode and the others were destructive methods measuring directly by cold water extract method and hot water extract method. In case of the cellulolytic cultural properties, the latter methods were not applied because those methods must bedissociated papers. To measure the paper acidity nondestructively, we investigated the correlation of the nondestructive method and the destructive methods. The conclusions are as follows. 1) In the relationship of the cold water extract method and the hot water extract method, It was indicated that the pH measured by the hot water extract method was high quality printing paper 0.08, rough printing paper 0.13, and Korean paper 0.29 higher than that by the cold water extract method.2) In the relationship of the cold water extract method and the surface measurement method, It showed that the pH value measured by the cold water extract method was high quality printing paper 1.86, rough printing paper 0.80,and Korean paper 0.58 higher than value that by the surface measurement.3) In the relationship of the hot water extract method and the surface measurement method, It showed that the pH value measured by the hot ABSTRACT water extract method was high quality printing paper 1.78, rough printing paper 0.66, and Korean paper 0.29 higher than that by the surface measurement. From the above-mentioned results, the pH value measured by the surface measurement was need to high about 1.78∼1.86 in high quality printing paper, 0.66-0.80 in rough printing paper, and 0.29∼0.58 in Korean paper and the surface measurement with flat type electrode was very available to measure the acidity of Korean papers actually.
정소영,이혜윤,정용재,홍정기,엄두성,Jeong, So-Young,Lee, Hye-Yun,Chung, Yong-Jae,Hong, Jung-Ki,Eom, Doo-Sung 국립문화재연구소 2004 保存科學硏究 Vol.25 No.-
Annals of the Joseon Dynasty is the authentic record of the historical facts and events taken place throughout the entire period of 472 years(25 generations, 1392~1863)described in a chronological order. The tremendous volume of the records contains the factual events taken place in almost all the fields of the Joseon Dynasty ranging from politics, economy to history of the dynasty. Not only because of its affluent contents but also with the precision of its records, it was designated as the National Treasure No. 151 in1973 by the Korean government and also registered as the Memory of the World by UNESCO in October 1997.This study is to report a exhaustive investigation results on the conservation state of annals of the Joseon Dynasty, especially Mt. Jeongjoksan edition, under the storage of the Kyujanggak in order to obtain the current condition, and thereby to estimate the any deterioration of the waxed volumes in the future. According to results of the investigation, we are going to verify damage causes of annals of the Joseon Dynasty, and to consider scientific conservation methods for the permanent preservation of invaluable cultural heritage. The major problem with the preservation of annals has arisen particularly from the deterioration of the waxed volumes of the Mt. Jeongjoksan edition. In order to provide for the counter measures for this problem, we have conducted twice investigations(first :1998~1999, second : 2003) to the internal and external conditions of waxed volumes(Annals of King Taejo~Annals of King Myeongjong).The result of the investigation has indicated that the paper quality of the some of the waxed volumes (Annals of King Taejong~Annals of King Sejong) is cracked and folded and the pages are imbedded to each other due to the hardened or congealed wax on the paper. Some of the pages are even getting moldy. And in order to detect as to whether“ there has been any deterioration progressed to the waxed books in the modern storage facility of the Kyujanggak equipped with constant temperature and humidity condition, the first investigation(1998~1999) and the second investigation(2003) have recorded the values of acidity, whiteness and moisture rate of the waxed paper, reporting an observation that there has been no difference on the measuring items. This indicates that no virtual deterioration has been progressed so far to the waxed volumes preserved in the Kyujanggak. Also, except for the causes of deterioration to the paper by insects and microorganisms, the major cause for the paper damage seems to the change of moisture of the paper caused from the alteration of the temperature and humidity of the storage environment. With this understanding in mind, we have conducted an environmental investigation on the three selected points of the storage in the aspects of the temperature, humidity, air current, $CO_2$,HCHO, and $SO_2$.It has been observed that the temperature stood at $16.9^{\circ}C~20.2^{\circ}C$ and the humidity was stable between 53%~56% during the period of the investigation. The concentration of the carbon monoxide and carbon dioxide of the storage were very similar to those in the air. These data lead to presume that there is no problem in the aspect of carbon oxidization. But the concentration of sulfur dioxide, hydrogen sulfide and formaldehyde of the storage were detected a little higher than those of standard. Therefore, we consider that it is necessary to ventilate the internal air of the store room by means of operating air purification devices.