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마우스에서 오존수의 급여가 쥐와포자충 감염에 미치는 영향
박배근,김덕환,류시윤,김현수,조성환,전무형 충남대학교 수의과대학 동물의과학연구소 2000 動物醫科學硏究誌 Vol.8 No.-
Ozone is very effective in acute and chronic viral disease as a virucidal agent in reversing positive antibody tests and in improving the general health of the animals. The effects of ozonized water supply against Cryptosporidium muris was studied in 5-weeks-old mice. After oral inoculation of mice with 1×10^6 oocysts, ozonized water(0.5ppm) and tap water were supplied to experimental and control group, respectively. The prepatent period of both group was 8 days postinoculation(PI). The patent period of experimental group was longer(62days) than that of experimental group(57days). The number of oocysts in the feces were maxium on days 28 PI, indicating 3.54×10^6 oocysts/experimental mouse and 5.56×10^6 oocysts/ control mouse. The number of discharge oocysts during 12-33 PI was more in control group than that of experimental group. In the view of gastric gland section on days 28 PI, the number of endogenous development of C muris was smaller in experimental group than in control group. This results indicates that the autoinfected sporozoite were damaged by ozone.
박희서,손화영,정성목,송근호,조종기,이영원,신상태,김명철,김덕환,박성준 충남대학교 수의과대학 동물의과학연구소 2004 動物醫科學硏究誌 Vol.12 No.-
An eleven year old castrated male Maltese was presented to the Veterinary Medical Teaching Hospital of Chungnam National University. In physical examination, approximately 0.5 cm round mass was observed on tail base. This small elevated mass has also shown alopecic and firm configuration. It was differentially diagnosed as sebaceous adenoma and hyperplasia by fine needle aspiration. After surgical removal, the sample was diagnosed as sebaceous hyperplasia by histopathological examination. It has not yet shown any signs of recurrence and prognosis has teen good.
조덕제,정숙현,박동근,신춘환 東西大學校 1996 동서논문집 Vol.2 No.1
Zeolite-Na에 Ag이온을 치환시켜 제조한 무기계 항균제를 이용하여 식품의 부패나 식중독을 초래할 수 있는 5종의 세균에 대한 항균력을 조사하였다. 이 들 5종에 대한 최소 저해 농도는 Escherichia coli는 0.1%이상, Pseudomonas aeruginosa는 0.01%, Klebsiella pneumoniae는 0.05%, Staphylococcus aureus와 Bacillus subtlis는 0.03%로 나타났다. 이 들 세균에 대한 0.1%의 Ag-ZA 첨가에서의 살균효과는 90%의 균 사멸시간으로 나타낼 때 Escherichia coli는 70분, Bacillus subtlis는 92분, Staphylococcus aureus는 111분, Klebsiella pneumoniae는 158분, Pseudomonas aeruginosa는 231분으로 나타났고, Ag-ZA 첨가량의 증가에 따른 사멸 속도의 변화는 Gram 음성균에서는 속도의 증가가 나타나지만 Gram 양성균에서는 속도의 변화를 관찰할 수 없었다. The investigation of antimicrobial activity on the Ag-ZA which is prepared by ion exchanging between Zeolite-Na and Ag ion. Minimum inhibitory concentrations are 0.01% for Escherichia coli and Pseudomonas aeruginosa, 0.05% for Klebsiella pneumoniae and 0.03% for Staphylococcus aureus and Bacillus subtlis. 90% sterilization time with 0.1% Ag-ZA are 70min., 92min., 111min., 158min., 231min. for Escherichia coli, Bacillus subtlis, Staphylococcus aureus, Klebsiella pneumoniae and Pseudomonas aeruginosa respectively. The sterilization effect is more important in gram neative bacteria than gram positive bacteria.
Poly(ρ-phenylenesulfide)와 Poly(ρ-phenylene)으로부터 제조된 탄소의 리튬 이온 2차전지 anode 재료로서의 전기화학적 특성
유덕영,이주성,박수길,변지형,류신환,정윤이 한양대학교 에너지·환경기술연구소 1998 에너지·環境技術論文集 Vol.4 No.-
Poly(p-phenylenesulfide)와 poly(p-phenylene)으로부터 제조된 탄소를 리튬이온 2차전지용 음극재료로 사용하여 전기화학적특성을 연구하였다. 이들 고분자들을 질소 분위기하에서 승온속도 2℃/min로 1000℃까지 상승시킨 후, 1시간 동안 탄화시켜 탄소를 제조하였다. Poly(p-phenylene)으로부터 제조된 탄소가 보다 더 규칙적인 구조를 가지기 때문에 Poly(p-phenylenesulfide)으로부터 제조된 탄소보다 더 많은 용량과 충방전 효율을 나타내었다. 수산화리튬과 염화주석(Ⅱ)을 첨가하여 용량의 증가와 충방전 효율의 증가를 가져올 수 있었다. 이중에서 poly(p-phenylene)에 염화주석(Ⅱ)을 첨가시켜 제조된 탄소가 가장 큰 충방전 용량과 충방전 효율의 향상을 가져왔다. Carbon inaterials manufactured from poly(p-phenylene sulfide) and poly(p-phenylene), were studied on electrochemical characteristics as anode materials for lithium ion secondary battery. These polymer precursors were heat treated for 1hr at 1000℃ with the rate 2℃/min under nitrogen atmosphere. Carbon manufactured from poly(p-phenylene) showed higher capacity and coulomb efficiency of charge/discharge than carbon from poly(p-phenylene sulfide) because the former has better ordered structure. Carbon manufactured from polymer precursors adding stannous chloride or lithium hydroxide showed higher capacity and better efficiency of charge/discharge. Also, carbon manufactured by adding stannous chloride to poly(p-phenylene) showed the highest capacity and efficiency of charge/discharge.
전소분,박혜연,김선아,정금선,이영원,박성준,김덕환,송근호 충남대학교 수의과대학 동물의과학연구소 2004 動物醫科學硏究誌 Vol.12 No.-
A 10 years old, intact male, Maltese dog with clinical signs of labored respiration, exercise intolerance and increasing of coughing was referred to the Veterinary Medical Teaching Hospital of Chungnam National University. Physical examination revealed tachycardia, panting and mild cyanosis. This case was diagnosed as mitral valve insufficiency by clinical signs, ascultation, blood chemistry, radiography and electrocardiography. This dog was treated with ACE inhibitor (enalapril), diuretics (furosemide) and bronchodilator (aminophylline) for 14 days. After treatment, clnical signs were disappeared and also this dog was needed to be continuous monitoring and sodium restricted diet.
신에스더,박희서,이시예,송우리,김명철,김덕환,송근호 충남대학교 수의과대학 동물의과학연구소 2004 動物醫科學硏究誌 Vol.12 No.-
A 3-month-old, 3.85kg female Jin-do dog with chief complaint of bloody diarrhea and depression was referred to the Veterinary Teaching Hospital, Chungnam National University. In fecal examination, trophozoites of giardia were observed and It was diagnosed as canine giardiasis. For treatment, metronidazole was administered orally for 5 days at a dose of 22mg/kg q12h. Diarrhea was not observed on 3 days after medication and most of clinical signs were disappeared on 7 days after medication with metronidazole. General conditions and activitivities became good on 13 days after medication. In addition, cysts or trophozoites of giardia were not detected any more in fecal examination using floating method with zinc sulphate solution. The present patient was a case of canine giardiasis that showed favorable response to metronidazole.
김명철,김덕환,전무형,홍성혁,박창식,이재일,이수진,김영석 충남대학교 수의과대학 동물의과학연구소 2002 動物醫科學硏究誌 Vol.10 No.-
Pain modification is an important part of traditional acupuncture therapies. However, the idea of using acupuncture to alleviate pain has been greatly expanded in the last four decades. It has reached the level that acupuncture may be used as a substitute for conventional anesthesia. Surgical analgesia can be produced by methods involving peripheral or central stimulation, such as Acupuncture Analgesia (AA). The most common method is Electro-Acupuncture Analgesia (EAA), using a special electrostimulator attached to needles in acupuncture points. The major advantages of AA or EAA are its safety in high-risk patients and excellent post-operative pain relief, freedom from complications and enhanced healing which follows surgery under AA. The major disadvantages are the long induction period (10-40 minutes) and variable degrees of analgesia even in skilled hands. The mechanisms of AA involve stimulation of peripheral sensory nerve, spinal cord and supraspinal areas (thalamus, midbrain and hypothalamus). AA can be used effectively in dog. The method has its advantages and disadvantages.
김명철,김덕환,전무형,홍성혁,박창식,이재일,이수진,김영석 충남대학교 형질전환복제돼지연구센터 2004 논문집 Vol. No.8
Acupuncture is used to treat pathological conditions and to prevent pain from arising. The pathological conditions that can be treated can be painless or painful conditions. Acupuncture analgesia (AA) is a specific form of acupuncture; the stimulation of the acupuncture points must be strong and long (about 15 to 30 minutes) before a local or general analgesia or hypalgesia will develop. Development of modern AA began in the late fifties. Effectiveness of acupuncture in alleviation of pain was quickly noticed and brought to the medical researchers and surgeons. Through their diligent pursuit, AA has been established as a viable alternative for relief of pain and substitution of conventional anesthesia. In veterinary medicine. early successful applications of AA to surgery of domestic animals were reported in the late sixties. Local or regional anesthesia is often preferred to general anesthesia in cattle. Acupuncture was effective in inducing analgesia. Regional electroacupuncture analgesia is potentially useful for standing surgeries in cattle. Some standing surgeries may be easily accomplished using electroacupuncture anesthesia.