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송방호,서정훈,한영구,고영희 한국농화학회 1970 Applied Biological Chemistry (Appl Biol Chem) Vol.13 No.1
Sericin hydrolyzing enzyme, produced by the selected bacteria, S4-1-1, was studied and following properties were obtained. 1. The activity of this bacterial sericinase was not decreased for 30 days of storage at 5℃. But at 20℃, for 30 hrs. was the maximum period to keep the initial activity of this enzyme. 2. This bacterial enzyme gave only sericinase activity but never indicated fibroin hydrolyzing activity. 3. The chelating reagent of EDTA and Ag or Hg ions were classified as strung inhibitors but Cu and Cd ions were indicated as moderate inhibitors to this enzyme action. 4. This enzyme was not inhibited by the surface active agent, Peretex-N, but strongly activated by this agent at low concentration. In the other hand, by the application of this enzyme to the unwinding works on the mulberry cocoon, the following results were also obtained. 1. On the weight and length, nonbreaking Length, size, colour and unwinding ratio of have, the enzyme appling method was superior to generally used cooking method. 2. The tested results of strength and elongation, bouchon, haririness loops, neatness and evenness of have were also indicated spuerior properties.
BIO-COSMOS in Silico: 중학 과학교재 생물편의 Overhead Project 용 Film 의 제작 및 응용
송방호,손명화,최미숙,박창보,이원주,권한별,권덕기,손종경,정화숙,양홍준,박성호 韓國生物敎育學會 1997 생물교육 Vol.25 No.1
Audio-visual aided instruction in middle school science is growing rapidly. Among several multimedia such as video tapes, slides, software, and overhead project. films, the development of overhead project film is supposed to be the most and immediately required item as means of improving the teaching capacity for lecture and experiment under the current situations of facilities. About 200 films covering biology content from the new science textbooks which were published by 8 different companies in 1996, were designed, manufactured and classified with serial numbers according to their grades and characteristics. The films were classified with four different categories; 1) summarized diagram for improving lecture capacity and easier understanding of the contents, 2) schematic figures and pictures including legends, 3) method illustrations for observation, experiment, inquiry, and investigation, and 4) tables for arrangement of the content. The overhead project films were drawn 208 sheets totally which were consisted of 63, 90(animal 50, plant 40), and 55 sheets for ist, 2nd, and 3rd grades, respectively. The emphasized point for designing the films was given to the superiority as means of distinctiveness, gracefulness, purity, color, brightness and shadow, and cognition, The used figures, pictures, legends and tables in this work are applicable to manufacture of various other media like slide films, video, and compact disk titles. Individuals and teachers can receive the films through Internet system freely by searching $quot;Bio-cosmos$quot; in the homepage of Kyungpook University. $quot;1'he uniform resource locator(URL) for $quot;Bio-cosmos$quot; is addressed as http://gic.kyungpook.ac.kr/biocosmos/index.html.