| 71 | Purification and Properties of a Non-Specific $\beta$-Fructofuranosidase from $Aspergillus$ $niger$ and $Kluyveromyces$ $fragilis$ 변시명, 제1차 한국 미생물관련 학회 학술발표회, 1987 |
| 72 | High Level Expression of Streptokinase Gene under the Control P$_L$ Promoter in $Escherichia$ $coli$ 변시명, 한국 생화학회 추계 학술발표회, 1988 |
| 73 | Effects of Site-Directed mutagenesis on the Activity of Streptokinase 변시명, 한국 생화학회 추계 학술대회, 1988 |
| 74 | The development of vector systems for high level expression of streptokinase gene 변시명, Winter Conference of the Korean Society of Molecular Biology, Suanbo, Korea, 1990 |
| 75 | Site-Eirected Mutagenesis of Genes for Protease A and B from Streptomyces griseus 변시명, The 6th Conference on Molecular Biology and Genetic Engineering, pp.267 - 268, 1991 |
| 76 | Isolation of Alkaline Amylase-Procucing $Bacillus$ sp. and Some Properties of Its Crude Enzyme 변시명, Spring Meeting of the Korean Society for Applied Microbiology, 1991 |
| 77 | Effect of pH on the Elaboration of Pullulan and the morphology of $Aureobasidium$ $pullulans$ 변시명, Spring Meeting of the KoreanSociety for Applied Microbiology, 1991 |
| 78 | Molecular Cloning of Alkaline Protease Gene from $Bacillus$ $stearothermophilus$ 변시명, Autumn Meeting of the Korean Society of Molecular Biology, Seoul, Korea, 1991 |
| 79 | Structural and Functional Role of His67 Residue in Suntilisin E. 변시명, Autumn Meeting of the Korean society of Molecular Biology, Seoul, Korea, 1991 |
| 80 | Polyethylene Glycol Modification of sheep RBC and Hemoglobin. 변시명, Autumn Meeting of the Korean Society of Molecular Biology, Seoul, Korea, 1991 |
