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뇌졸중 후 중추성 통증 환자에 대한 동서협진이 진통과 재활에 미치는 영향
이현종,김수영,이상훈,서동민,이두익,김건식,이재동,이윤호,양형인,박재경,최도영 WHO COLLABORATING CENTRE FOR TRADITIONAL MEDICINE 2003 東西醫學硏究所 論文集 Vol.2003 No.-
Purpose : In order to study the effectiveness of East-West pain treatment on central poststroke pain(CPSP), we evaluated its effect on alleviation of pain and rehabilitation of CPSP Patients who were treated with electroacupuncture and west pain treatment for four weeks. Methods : Twenty four patients diagnosed by their pain characteristics of central pain from stroke were treated with sympathetic nerve block, gabapentin, amitriptyline, and electroacupuncture for four weeks. Pain intensity through the visual analogue scale(VAS), and improvements of mobility and rehabilitation through the modified Barthel index(MBI) and Rankin scale(RS), respectively, before and after pain treatment were also assessed. Results : VAS pain scores were significantly improved from 7.7±1.7 to 4.4±2.0 with pain treatment(p<0.05). In accordance with improvement of pain scores, RS and MBI scores were also improved from 2.88±0.95 to 2.13± 1.01 and from 83.0± 16.9 to 94.7±9.5(p<0.05), respectively, with pain treatment(p<0.05). Conclusions : It was suggested that the active pain treatment was contributed to the rehabilitation of CPSP patients, resulting in improvement of quality of life of CPSP patients. Futhermore, East pain treatment in combination with West pain treatment may be useful modality to alleviate CPSP.
이동근,이대광 경상대학교 환경보전연구소 1995 環境保全硏究所報 Vol.3 No.1
Nonbiodegradable wastewaters were decomposed on Cu/Zn/Al₂O₃ catalyst system through catalytic oxidation. Most of phenol, chlorophenol and nitrophenol could be oxidized on this system, and the catalytic wet oxidation system could be a promising technique for the treatment of non-biodegrable wastewaters
[Cp₂Ti(Ⅲ)(1-benzoylacetonato)화합물과 알킬알루미늄화합물의 촉매계에 의한 스티렌 중합반응
이삼근,이동구 대전대학교 기초과학연구소 2002 自然科學 Vol.13 No.1
[Cp₂Ti(Ⅲ)(1-benzoylacetonato)과 조촉매인 알킬알루미늄화합물로 구성된 촉매계를 이용하여 스티렌을 중합하였으며, 생성된 고분자는 ^(13)C NMR 스펙트럼 연구결과 atatic-폴리스티렌이었다. 고분자 반응에 영향을 주는 조건인 주촉매의 농도, 조촉매인 DEAC의 농도와 주촉매의 농도 비율, 반응시간 및 반응온도에 따른 연구를 수행하였다. 고분자 반응은 반응온도에 영향을 받지 않으며 폴리스티렌으로의 전환 비율이 가장 큰 경우는 DEAC의 농도와 주촉매의 농도 비율이 30인 경우이며 고분자 반응은 6시간만에 완료된다. 연구한 조건에서 생성된 폴리스티렌의 분자량은 2,200 - 3,200이었으며, 중합온도가 증가하면 분자량은 감소하고 분산도는 증가하며, 티타늄 촉매에 대한 조촉매의 몰 비율을 증가시키면 분자량과 분산도가 증가하는 경향을 보였다. Polystyrene was prepared in the presence of a catalyst composed of [Cp₂Ti(Ⅲ)( 1-benzoylacetonato)] and alkylaluminum as cocatalyst. The resultant polymer is atatic-polystyrene judging by ^(13)C NMR spectra. Influences of various polpmerizations, e.g., [Ti], [DEACI/"Til, time and temperature were studied. It was found that polymerization reaction is not dependent on the reaction temperature, and the highest conversion of styrene to polystyrene can be obtained when the molar ratio of [DEAC] to [Ti] is 30. The polymerization reaction is almost finished in 6 hours. The molecular weight of the polystyrene ranged from 2,200 to 3,200 and was decreased and the molecular weight distribution was increased with increasing the reaction temperature. The higher the molar ratio of DEAC to titanium catalyst was used, the higher was the molecular weight and the molecular weight distribution.
가토의 하치조 신경 손상 형태에 따른 전기생리학적 및 조직학적 변화에 관한 실험적 연구
이재은,이동근 大韓顎顔面成形再建外科學會 1996 Maxillofacial Plastic Reconstructive Surgery Vol.18 No.4
Inferior alveolar nerve dysfunction may be the result of trauma, disease, or iatrogenic injury. Inferior alveolar nerve injury is inherent risk in endodontic therapy, orthognathic surgery of the mandible, and extraction of mandibular teeth, particularly the third molars. The sensory disturbances of inferior alveolar nerve associated with such injury have been well documented clinical problem that is commonly evaluated by several clinical sensory test including Tinels sign, Von Frey test(static light touch detection), directional discrimination, two-point discrimination, pin pressure nociceptive discrimination, and thermal test. These methods used to detect and assess inferior alveolar nerve injury have been subjective in nature, relying on the cooperation of the patients. In addition, many of these techniques are sensitive to differences in the examiners experience and skill with the particular technique. Data obtained at different times or by different examiners are therefore difficult to compare. Prior experimental studies have used electro diagnostic methods(sensory evoked potential) to objectively evaluate inferior alveolar nerve after injury. This study was designed with inferior alveolar nerve of rabbit. Several types of injury including mind, moderate, severe compression and perforation with 19 gauze, 21 gauze needle and 6mm, 10mm traction were applied for taking the sesory evoked ppterntial. Latency and amplitude of injury rabbit inferior alveolar nerve were investigated with sensory evoked potential using unpaired t-test. The results were as follows: 1. Intensity of threshold(T1) was 128±16㎂: latency, 0.87±0.07 microsecond: amplitude, 0.4±0.1㎶: conduction velocity, 23.3m/s in potential of uninjured rabbit inferior alveolar nerve. 2. Rabbit inferior alveolar nerve consists of type Ⅱand Ⅲsensory nerve fiber. 3. Latency was increased and amplitude was decreased in compression injury. The more injured, the more changed in latency and amplitude. 4. Findings in perforation injury was similar to compression injury. Waveform for sensory evoked potential improved by increasing postinjured time. 5. Increasing latency was prominent in traction injury rabbit inferior alveolar nerve. 6. In microscopic histopathological findings, significant degeneration and disorganization of the internal architecture were seen in nerve facicle of severe compression and 10mm traction group. From the above findings, electrophysiological assessment(sensory evoked potential) of rabbit injured inferior alveolar nerve is reliable technique in diagnosis and prognosis of nerve injury.
냉동 건조 탈회 동종골 이식후 골막이 골 형성 과정에 미치는 영향에 관한 실험적 연구
이동근,엄인웅,민승기,권혁도 大韓顎顔面成形再建外科學會 1995 Maxillofacial Plastic Reconstructive Surgery Vol.17 No.4
Periosteum in general is described as a specialized fibrous membrane of mesenchymal origin consisting of two basis layers : outer fibrous layer consists of irregularly arranged dense connective-tissue with fibroblasts, and inner osteogenic or cambial layer is composed of more loosely arranged fibers, greater vascularity and flatted spindle-shaped pre-osteoblasts. This periosteum may serve in controlling bone growth, especially mandibular growth has been emphasized. But, the periosteum enwrapping the facial skeleton have been studied for many years leaving a controversy in opinion regarding the function of these structures. We evaluated the bone formation activity of te periosteum in allogeneic bone grafts which bones are made of freeze-dried preparation preoperatively. We made the calvarial bone defects, 5×7mm sized, amd grafted with allogeneic bone in rats, which a half of specimens has dissected the overlying periosteum and a rest intacted. After bone grafting, we evaluated the capacity ofbone formation of periosteum, 1, 2, 4, 6, 8 weeks postoperatively. There are subtle differences of bone formation during early healing period after demineralized allogeneic bone grafting between control groups with periosteum and experimental groups without periosteum.
수용액중 Carbaryl의 광증감 산화분해에 관한 연구
이춘식,김영희,김성우,이동근 경상대학교 환경보전연구소 1999 環境保全硏究所報 Vol.7 No.-
Sensitized photooxidation of carbaryl was carried out using persulfate ion, sulfate ion, nitrate ion, nitrite ion and chloride ion as sensitizers. Persulfate, nitrate, chloride and sulfate ions were proved to be effective to enhance the photooxidation of carbaryl. In the case of nitrite ion, however, no significant enhancement effect was observed. The sensitizing effect increased with increasing persulfate concentration, while nitrate ion showed the greatest sensitizing effect at 5㎎/l. When existed together with other ions, nitrite ion exhibited negative effect by scavenging the produced active hydroxyl radicals. It was also found that the rate of photo-oxidation of carbaryl in the presence of both the nitrate and persulfate was much faster than that in the presence of nitrate of persulfate singly.