International conference proceedings - Chang Young-Cheol

1. Developing alternative plastics for the transition to a circular economy

   Young-Cheol Chang，15th ICFEE International Conference，2025.03

   

2. Bioremediation Potential of Microbial Strains Isolated from Sewage Sludge and Campus Soil

   Shakir Ali, Takuya Tamazawa, Young-Cheol Chang，2nd Joint Symposium on Environmental Engineering，(p.24)，2025.01

   

3. Biopolymer production using CO2 and toxic organic compounds

   Young-Cheol Chang，2nd Joint Symposium on Environmental Engineering，(p.137)，2025.01

   

4. Isolation and Characterization of PHB-Degrading Bacteria from Activated Sludge and Campus Soils

   Takuya Tamazawa, Shakir Ali, Young-Cheol Chang，2nd Joint Symposium on Environmental Engineering，(p.133)，2025.01

   

5. Availability of Lignin-Derived Compounds and Indirect Evaluation of Lignin Degradation Using Remazol Brilliant Blue R (RBBR)

   Mioto Uno, Young-Cheol Chang，2nd Joint Symposium on Environmental Engineering，(p.122)，2025.01

   

6. Investigation of Culture Medium Composition for Improving Polyhydroxyalkanoate (PHA) Production Efficiency Using Ralstonia sp. C1

   Taiyo Hasegawa , Young-Cheol Chang，2nd Joint Symposium on Environmental Engineering，(p.114)，2025.01

   

7. Effect of water soluble additives on polyhydroxybutyrate (PHB) degradation by Ralstonia sp. C1

   Yugo Matsumura, Young-Cheol Chang，2nd Joint Symposium on Environmental Engineering，(p.108)，2025.01

   

8. Evaluation of Culture Conditions for Polyhydroxyalkanoate (PHA) Production Using Raw Sewage as a Dilution Medium

   Hirotaka Inoue, Young-Cheol Chang，2nd Joint Symposium on Environmental Engineering，(p.81)，2025.01

   

9. Optimal Carbon, Nitrogen, and Phosphorus Ratios for Maximizing PHA Yield: A Comprehensive Study

   Aoi Miyata, Young-Cheol Chang，2nd Joint Symposium on Environmental Engineering，(p.73)，2025.01

   

10. Production of PHBV with Various Proportions of 3-HV Fractions and Comparison of the Physical Properties Using the Same Strain

    Shouyou Takamatsu, Young-Cheol Chang，2nd Joint Symposium on Environmental Engineering ，(p.66)，2025.01

    

11. Phenol degradation and production of PHA using phenol degradation products as substrates

    Young-Cheol Chang, M. Venkateswar Reddy，The 5th International Electronic Conference on Applied Sciences ，2024.12

    

12. Evaluation of Adaptive Laboratory Evolution (ALE) Using the Comamonas sp. C10 Strain for the Enhancement of Polyhydroxybutyrate (PHB) Degradation Capability

    Yui Sato, Young-Cheol Chang，The 5th International Electronic Conference on Applied Sciences，2024.12

    

13. PHA production with CO2 and volatile organic compounds

    Y.C. Chang, C. Seki, M. Shimadzu，14th International conference on Environmental and Public Health Issues in Asian Mega-cities，(p.120 ～ 121)，2024.11

    

14. Cost-Effective Polyhydroxyalkanoate (PHA) Production Using Raw Sewage as a Dilution Medium

    H. Inoue, Y.C. Chang，14th International conference on Environmental and Public Health Issues in Asian Mega-cities，(p.122 ～ 123)，2024.11

    

15. A study of phenol degradation and the production of biodegradable plastics using phenol degradation products

    Takahiro Ogami and Young-Cheol Chang，JSEE2024，(p.96)，2024.01

    

16. A proposal to use raw sewage as source water for bioplastic production

    Young-Cheol Chang，JSEE2024，(p.105)，2024.01

    

17. A growth study of Bacillus sp. CYR1 using a phenol degradation product (catechol)

    Hiromu Nohara and Young-Cheol Chang，JSEE2024，(p.103)，2024.01

    

18. Evaluation of optimal C/N and C/P ratios in PHB production using Ralstonia sp. C1

    Yuya Masuda and Young-Cheol Chang，JSEE2024，(p.102)，2024.01

    

19. Biodegradation of PHB films by Ralstonia sp. C1 strain in soil under low-temperature

    Takumi Terayama and Young-Cheol Chang，JSEE2024，(p.101)，2024.01

    

20. The evaluation of Adaptive Laboratory Evolution (ALE) using Comamonas sp. C10 strain for enhancement of PHB degradation capability

    Yui Sato and Young-Cheol Chang，JSEE2024，(p.100)，2024.01

    

21. Examination of optimal nitrogen source and C/N ratio in PHA production using Cupriavidus sp. CY-1 strain

    Shouyou Takamatsu and Young-Cheol Chang，JSEE2024，(p.99)，2024.01

    

22. Biodegradation of catechol by Comamonas sp. C1 and Rhodococcus zopfii SK-3

    Ryuta Sekido and Young-Cheol Chang，JSEE2024，(p.98)，2024.01

    

23. The possibility of substrate utilization using lignin degradation products

    Mioto Uno and Young-Cheol Chang，JSEE2024，(p.97)，2024.01

    

24. Butyric acid and caproic acids production using single and mixed bacterial cultures

    Young-Cheol Chang and M. Venkateswar Reddy，The 4th International Electronic Conference on Applied Sciences (ASEC2023)，2023.11

    

25. Butyric Acid and Caproic Acid Production Using Single and Mixed Bacterial Cultures

    Young-Cheol Chang and M. Venkateswar Reddy，4th International Electronic Conference on Applied Sciences，2023.10

    

26. Evaluation of Bacterial Growth Ability and PHA Production Using Various Combinations of Fatty Acids

    YC Chang, MV Reddy，ECP 2023 proceedings，2023.05

    

27. Development of a simple quantification method for PHA by HPLC using alkaline decomposition

    Kyo Saito, Motakatla Venkateswar Reddy, Young-Cheol Chang，the 2022 3rd International Symposium on Water, Ecology and Environment (ISWEE 2022) online，2022.12，Beijing

    

28. PHA production enhancement using co-cultures of phenol-degrading and PHA-producing bacteria

    Takahiro Oogami, Fumiya Chiba, Takumi Terayama, Motakatla Venkateswar Reddy, Young-Cheol Chang，the 2022 3rd International Symposium on Water, Ecology and Environment (ISWEE 2022) online，2022.12

    

29. Biodegradation of PHB in simulated soil by Ralstonia sp. C16 strain isolated from alpine soils in Japan

    Takumi Terayama, Hinako Suzuki, Motakatla Venkateswar Reddy, Young-Cheol Chang，the 2022 3rd International Symposium on Water, Ecology and Environment (ISWEE 2022) online，2022.12，Beijing

    

30. Production of acetic acid, a precursor molecule for the synthesis of PHA by optimizing the culture conditions using Acetobacter sp. C1 strain

    Kazuma Imura, M. Venkateswar Reddy, Young-Cheol Chang，Proceedings of 6th Green and Sustainable Chemistry Conference Online，2021.11

    

31. Evaluation of PHA production using mixture of fatty acids

    Yusei Tsukiori, M. Venkateswar Reddy, Young-Cheol Chang，JSED2020，(p.28 ～ 29)，Muroran, Japan，2020.03

    

32. Availability of multiple fatty acids for the production of PHA

    Atsushi Watanabe, M. Venkateswar Reddy, Young-Cheol Chang，JSED2020，(p.76 ～ 77)，2020.03，Muroran, Japan

    

33. Polyhydroxyalkanoates (PHA) Production from Wastewaters using Pure and Co-culture Bacterial Systems: A New Approach of Bio-circular Economy

    Young-Cheol Chang and M. Venkateswar Reddy ，EPAM2019，(p.55)，2019.12

    

34. Polyhydroxyalkanoates (PHAs) production by Bacillus sp. CYR1 using unused resources

    Rui Onodera, Yuki Nakamura, Yuka Yajima, Young-Cheol Chang，Proceedings of the 8th Forum on Studies of the Environmental and Public Health Issues in the Asian Mega-cities ，(p.221)，Seoul，2017.09，Seoul

    

35. Degradation of toxic compounds at low and medium temperature conditions using filamentous fungus Penicillium sp. CHY-2

    Young-Cheol Chang，The 14th International Symposium on Persistent Toxic Substances，2017.09

    

36. Microscale sample analyses in MALDI-TOF MS and 18S rRNA sequencing of amoeboid

    Yuka Yajima, Daisuke Ishida, Yusuke Itawa, Young-Cheol Chang，Proceedings of the 8th Forum on Studies of the Environmental and Public Health Issues in the Asian Mega-cities，(p.215)，2017.09

    

37. Production of medium chain fatty acids using unused resources for preventing neurodegenerative disease

    Young-Cheol Chang, Shinji Matsuzaki, M. Venkateswar Reddy, Yuka Yajima, Tatsuaki Tsuruyama，Proceedings of the 8th Forum on Studies of the Environmental and Public Health Issues in the Asian Mega-cities，(p.216)，Korea，2017.09，Seoul

    

38. Development of a new food with medium chain fatty acids for the prevention of neurodegenerative disease dementia

    Young-Cheol Chang, M. Venkateswar Reddy, Yuka Yajima, Tatsuaki Tsuruyama, Yuichi Ohira，The 25th Annual Meeting of International Congress on Nutrition and Integrative Medicine-Prospective New Technologies developed in Hokkaido-，(p.6)，2017.07，Sapporo

    

39. Production of medium chain fatty acids (MCFA) using acetate and mixed culture

    M. Venkateswar REDDY, Yuka YAJIMA, Young-Cheol CHANG，Water and Environment Technology Conference 2017，(p.4)，2017.07，sapporo

    

40. Biodegradation of hydrocarbons at low and medium temperature conditions using an isolated fungus

    Toshiki Hosogai, Soichiro Fuzisawa, Muthusamy Govarthanan, Yuka Yajima, Young-Cheol Chang，Proceedings of JSED2017，(p.31 ～ 32)，2017.03

    

41. An optimized method for partial 18S rRNA gene sequencing of a single sporophore of myxomycetes

    Yusuke Iwata, Yuka Yajima, Young-Cheol Chang，Proceedings of JSED2017，(p.91 ～ 92)，2017.03

    

42. Fatty acids production from food wastes using anaerobic bacteria

    Satoru Hayashi, M. Venkateswar Reddy, Yuka Yajima, Young-Cheol Chang，Proceedings of JSED2017，(p.89 ～ 90)，2017.03

    

43. Sample preparation in matrix-assisted laser desorption/ionization mass spectrometry of amoeboid forms of myxomycetes

    Daisuke Ishida, Yuka Yajima, Young-Cheol Chang，Proceedings of JSED2017，(p.33 ～ 34)，2017.03

    

44. Short chain and medium chain fatty acids production using enriched mixed microbial consortia

    M. Venkateswar Reddy and Young-Cheol Chang，Proceedings of Asia-Pacific conference on Biotechnology for Waste Conversion2016，(p.348 ～ 350)，Hong Kong，2016.12，Hong Kong

    

45. Polyhydroxyalkanoates (PHA) production using various substrates and bacterial strains

    M. Venkateswar Reddy and Young-Cheol Chang，Proceedings of the 15th International Symposium Biopolymers，Spain，2016.09，Madrid

    

46. Biodegradation of aromatic compounds using Pseudomonas palleronii and Pseudomonas pseudoflava

    M. Venkateswar Reddy, Erika Nakaya, Yuka Yajima, Young-Cheol Chang，Proceedings of the 7th Forum on Studies of the Environmental and Public Health Issues in the Asian Mega-cities，vol.7，(p.73 ～ 74)，Japan，2016.09，Muroran

    

47. Effect of the concentration and the kind of additives for the benzaldehyde redox reaction in cell free extract of Pseudomonas putida

    Ryohei Yanagawa, Young-Cheol Chang, Shintaro Kikuchi, and Koji Uwai，EPAM2016，vol.7，(p.154 ～ 155)，Japan，2016.09，muroran

    

48. Enhanced bioremediation potential of Pseudomonas sp. RPT with biostimulant neem oil cake in artificially contaminated soil

    M. Govarthanana, R. Mythilib, T. Selvankumarb, S. Kamala-Kannanc, Y. C. Chang，EPAM2016，vol.7，(p.178 ～ 179)，Japan，2016.09，muroran

    

49. Degradation of petroleum hydrocarbons using the fungus Penicillium sp. CHY-2 and bacteria Pseudomonas aeruginosa TW-1

    Soichiro Fuzisawa, Yuko Asano, Hikaru Fukuda, Toshiki Hosogai, Satoru Hayashi, Yuka Yajima, Young-Cheol Chang，EPAM2016，vol.7，(p.182 ～ 183)，Japan，2016.09，Muroran

    

50. Degradation of 4-tert-butylphenol from the artificially contaminated soil using Penicillium sp. CHY-2

    Rui Onodera, Honoka Umemoto, Yuki Nakamura, Yuka Yajima, Young-Cheol Chang，EPAM2016，vol.7，(p.184 ～ 185)，Japan，2016.09，Muroran

    

51. Spore formation in Nivicolous myxomycetes, Badhamia alpina and Physarum albescens

    Yuka Yajima, Tamotsu Hoshino, Norio Kondo, Young-Cheol Chang，proceedings of the10th International Symposium on Arctic and Alpine Mycology，vol.10，(p.15 ～ )，Japan，2016.08，kanazawa

    

52. Metabolic control of benzaldehyde oxidoredmctioni reaction by Pseudomonas putida

    Ryohei Yanagawa, Young-Cheol Chang, Koji Uwai, Shintaro Kikuchi，JSED2016，(p.56 ～ 57)，2016.03，Muroran

    

53. Characterization of Cupriavidus sp. CY-1 and its bio-augmentation into 2,4-D contaminated soil

    Honoka Umemoto, M. Venkateswar Reddy, Yuka Yajima, Young-Cheol Chang，JSED2016，(p.36 ～ 37)，2016.03，Muroran

    

54. Biodegradation of 4-butylphenol at low temperature conditions using the isolated fungi

    Soichiro Fuzisawa, Yuka Yajima, Young-Cheol Chang，JSED2016，(p.38 ～ 39)，2016.03，Muroran

    

55. Isolation and characterization of Cupriavidus sp. CY-1 and its bio-augmentation into 2,4-D contaminated soil

    Young-Cheol Chang, Honoka Umemoto, Soichiro Fuzisawa, Hideto Sugawara, M. Venkateswar Reddy, Yuka Yajima, Shintaro Kikuchi,，EPAM2015，vol.6，(p.34 ～ 48)，Xiamen, China，2015.10，Xiamen, China

    

56. Concepts of Natural Type River-Rehabilitation andOutlook of River Ecosystem Restoration

    Chang, Y.C.，INTERNATIONAL CONFERENCE: COMMUNICATIONS for SAFE CITIESINTERNATIONAL CONFERENCE:COMMUNICATIONS for SAFE CITIES，(p.196 ～ 209)，Seoul, Korea，2015.10，Seoul, Korea

    

57. Polyhydroxybutyrate (PHB) production with Cupriavidus sp. CY-1 using various toxic compounds

    M. Venkateswar Reddy and Young-Cheol Chang，EPAM2015，vol.6，(p.17 ～ 33)，Xiamen, China，2015.10，Xiamen, China

    

58. Phenol, alkylphenols, and polycyclic aromatic hydrocarbons (PAHs) degradation using the bacteria Hydrogenophaga palleronii

    Venkateswar Reddy, M., Chang, Y.C., Kikuchi, S，JSED2015，(p.71 ～ 74)，Muroran, Japan，2015.03，Muroran, Japan

    

59. Selection and characterization of an alkylphenol-degrading fungus isolated from Antarctic soil

    Young-Cheol Chang, Eri Yoshida, Yuki Sato, Daiki Koyama, M. Venkateswar Reddy, Tatsuo Iwasa, and Shintaro Kikuchi，EPAM2014，vol.5，(p.55 ～ 66)，Seoul, Korea，2014.11，Seoul, Korea

    

60. An environmentally-friendly pretreatment method for enhancing cellulose performance

    Young-Cheol Chang and Shintaro Kikuchi，EPAM2014，vol.5，(p.199 ～ 200)，Seoul, Korea，2014.11，Seoul, Korea

    

61. A new biological pretreatment method for enhancingcellulase performance

    Young-Cheol Chang and Shintaro Kikuchi，JSED2014，(p.33 ～ 34)，Muroran Institute of Technology，2014.03，Muroran, Japan

    

62. Characterization of a 4-butylphenol-degrading microorganism isolated from the Antarctic soil

    Eri Yoshida, Mizuho Yamauchi, A. Giridhar Babu,Tamotsu Hoshino, Young-Cheol Chang andShintaro Kikuchi，JSED2014，(p.35 ～ 36)，Muroran Institute of Technology，2014.03，Muroran, Japan

    

63. Isolation of Bacillus sp. strains capable of decomposing alkali lignin and their application in combination with lactic acid bacteria for enhancing cellulase performance

    Young-Cheol CHANG, Tsuyoshi EMOTO, Hoon CHO, Young-Sik YOO,Shintaro KIKUCHI，The 4th Forum on Studies of the Environmental and Public Health Issues in the Asia Mega-cities，vol.4，(p.53 ～ 67)，Gifu，2013.10，Gifu, Japan

    

64. Bacterial community of soil samples from the South Pole anda proposal for low-temperature bioremediation

    Yuki Sato,Eri Yoshida, Keisuke Kondo, Tamotsu Hoshino, Young-Cheol Chang,Shintaro Kikuchi，JSED2013，(p.15 ～ 16)，Muroran Institute of Technology，2013.03，Muroran, Japan

    

65. Chitinase and alpha-amylase production from a lignin-degarading microorganism

    Young-Cheol Chang, Daiki Koyama, Ben Okeke, Shintaro Kikuchi，JSED2013，(p.17 ～ 18)，Muroran Institute of Technology，2013.03，Muroran, Japan

    

66. Degradation of chlorinated organic compounds and endocrine disruptingcompounds by waste blast furnace dust

    Young-Cheol Chang, Hoon Cho, Takamizawa Kazuhiro, Shintaro Kikuchi，The 3rd Forum on Studies of theEnvironmental and Public Health Issues in the Asian Mega-cities，vol.3，(p.56 ～ 61)，China，2012.07，Beijing, China

    

67. Isolation of lignin-degrading bacteria from soil

    Tsuyoshi Emoto, Yusuke Nara, Ken Sawada, Young-Cheol Chang, Hoon Cho,Tatsuo, Iwasa, Shintaro Kikuchi，JSED2012，(p.19 ～ 20)，Muroran Institute of Technology，2012.03，Muroran, Japan

    

68. Analysis of bacterial community structures in VOC contaminated sites

    Young-Cheol Chang, Eun-Sook Kim, Mi-Hye Kang, Young-Zoo Chae, ShintaroKikuch，JSED2012，(p.17 ～ 18)，Muroran Institute of Technology，2012.03，Muroran, Japan

    

69. Feasibility of using Cupriavidus oxalatic Y1 for the bioremediation of herbicide 2,4-Dcontaminated soil

    Yuki Abe, Noriyuki Ogasawara, Young-Cheol Chang, Shintaro Kikuchi，JSED2012，(p.21 ～ 22)，Muroran Institute of Technology，2012.03，Muroran, Japan

    

70. Isolation of a blue bacterium from Biei-river

    Y. Nara, Y. Chang, S. Kikuchi, and K. Sawada，Proceedings of Joint Seminar on Environmental Science and Disaster Migration Research 2011，(p.56 ～ 57)，Muroran，2011.03，室蘭、日本

    

71. Characterization of novel PCE and cis-1,2-DCE dechlorinating

    Y.C. Chang, I.S. Bae, E.S. Kim,K. Jung, and S. Kikuchi，Proceedings of Joint Seminar on Environmental Science and Disaster Migration Research 2011，(p.38 ～ 39)，Muroran, Japan，2011.03，室蘭、日本

    

72. Isolation and characterization of arsenate-reducing bacteria from arsenic-contaminated site in Japan

    YC Chang and Kikuchi Shintaro，2nd forum on studies of the Environmental&Public Health Issues in Asian Mega-cities 2010，(p.213 ～ 221)，Seoul，2010.12，Korea

    

73. Isolation and characterization of an arsenate-reducing bacterium, Citrobacter freundii MT-1

    Tsujino, H., Toyama, T., Chang, Y. C., Kikuchi, S.，Joint seminar on environmental science and disaster mitigation research 2010，(p.28 ～ 29)，Muroran Institute of Technology，2010，室蘭、日本

    

74. Characterization of higher concentration of 2,4-dichlorophenoxy acetic acid(2,4-D)-degrading bacterium, Cupriavidus oxalatic Y1

    Ogasawara, N., Jimbo, K., Toyama, T., Chang, Y. C., Kikuchi, S.，Joint seminar on environmental science and disaster mitigation research 2010，(p.26 ～ 27)，Muroran Institute of Technology，2010，室蘭、日本

    

75. Isolation and characterization of two tetrachloroethylene-degrading, cis-1,2-dichloroethylene-degrading Propionibacteria

    Chang YC, Toyama T, Kikuchi S.，1st forum on studies of the Environmental&Public Health Issues in Asian Mega-cities 2009，vol.1，(p.65 ～ 74)，Osaka，2009.08，Osaka, Japan

    

76. Isolation and characterization of a new tetrachloroethylene(PCE)-degrading bacterium, Propionibacterium sp. HK1

    Habu D, Kawamorita T, Toyama T, Chang YC, Kikuchi S，Joint seminar on environmental science and disaster mitigation research 2008，(p.17 ～ 18)，Muroran Institute of Technology，2009，室蘭、日本

    

77. Degradation of 2-sec-butylphenol by pseudomonas putida strain MS-1 isolated from rhizosphere of Phragmites

    Murasita M, Maeda N, Yamada Y, Toyama T, Chang YC, Kikuchi S，Joint seminar on environmental science and disaster mitigation research 2008，(p.13 ～ 14)，Muroran Institute of Technology，2009，室蘭、日本

    

78. Isolation and characterization of 2,4-D herbicide-degrading bacterium, Cupriavidus oxalatic Y1

    Yamada, Y, Toyama T., Chang YC and Kikuchi S，Joint seminar on environmental science and disaster mitigation research 2008，(p.15 ～ 16)，Muroran Institute of Technology，2009，室蘭、日本

    

79. Biodegradation of polycyclic aromatic hydrocarbons by Mycobacterium sp. isolated from Phragmites australis Rhizosphere

    Noritaka Maeda, Tadashi Toyama, Young Cheol Chang, Shintaro Kikuchi，Joint seminar on environmental science and disaster mitigation research 2008，(p.9 ～ 10)，Muroran Institute of Technology，2008，室蘭、日本

    

80. Preparation of antimicrobial TiO2 by laser irradiation and its application to prevent the formation of biofilm

    Shintaro Kikuchi, YoungCheol Chang, Tadashi Toyama，The 10th Seoul-Osaka Symposium on Environmental Problems，vol.10，(p.75 ～ 85)，Seoul，2007.12，Seoul

    

81. Isolation and characterization of pyrene-degrading bacterium from Phragmites australis rhizosphere

    Tadashi Toyama, Tetsuya Furukawa, Kazubari Sei, Young-Cheol Chang, Shintaro Kikuchi, Masanori Fujita, Michihiko Ike，The 10th Seoul-Osaka Symposium on Environmental Problems，vol.10，(p.71 ～ 74)，Seoul，2007.12，ソウル

    

82. Isolation and characterization of lubricant oil-degrading bacteria from waste lubricant-contaminated soil

    Sasaki M, Yamada Y, Toyama T, Chnag YC, Kikuchi S.，International Seminar on Environmental Science and Disaster Mitigation Research 2007，(p.59 ～ 60)，Muroran Institute of Technology，2007，室蘭、日本

    

83. Complete dechlorination of tetrachloroethylene by use od an anerobic Clostridium bifermentans DPH-1 and zero-valent iron

    Chang YC, Shintaro Kikuchi, Takamizawa Kazuhiro，International Symposium on Environment-Friendly Technology, Material and Energy 2007，(p.87 ～ 98)，Seoul National University of Technology，2007，Seoul, Korea

    

84. The influence of disinfection on bacterial regrowth in pilot distribution systems

    Young C. Chang, Tadashi Toyama, Kweon Jung, Who K. Park and Shintaro kikuchi，The 9th OSAKA-SEOUL symposium on Environmental Issues，(p.67 ～ 77)，Osaka，2006.12，大阪

    

85. Development of concrete storage tank for flood prevention and rainwater reuse

    Young-Cheol Chang，Korean Society of Civil Engineers，Korea，2005，ソウル

    

86. The Study on the Effect of Distribution System Materials and Water Quality on Heterotrophic Plate Counts and Biofilm Proliferation

    Young-cheol Chang, Kweon Jung and Young S. Yoo，The 7th Seoul-Osaka Symposium on Environmental Problems Proceedings，(p.68 ～ 74)，Osaka，2004，Osaka

    

87. Biostability of membrane-treated finished waters in distribution system: study at pilot-scale

    Le Puil, M., Chang, Y.C., Randall, A.A., Owen, C., Taylor, J.S.，FS/AWWA Annual Conference，American Water Works Association Conference，2003.09，Orlando, Florida

    

88. NF&RO Biostability Relative to Alternative Methods of Water Treatment

    Liu, S., Chang, Y.C., Le Puil, M., Taylor, J.S., Randall, A.A.，Membrane Technology，Membrane Technology，2003.03，Atlanta

    

89. Biostability of membrane-treated finished watera in distribution system:study at pilot-scale

    Le Puil Michael, Chang YC, Randall AA, Owen C, Taylor JS，AWWA annual conference，AWWA，2003，Anaheim, California

    

90. Effect of Distribution System Materials and Water Quality on HPC and Biofilm Proliferation

    Michael L.P., Young C. Chang, Andrew A. Randall and James S. Taylor，American Water Works Association Conference，American Water Works Association Conference，2003，カルフォニア

    

91. Resistence and diffusion modeling of RO productivity and water

    Liu, suibing, Chang YC, Michael Le Puil, James Taylor, Randall AA，Membrane Technology Conference，AWWA，2003，Atlanta, GA

    

92. Development of a disposable microbial sensor for water qualitymonitoring based on a generic biosensor platform

    Young C. Chang, Cho H.J., Mi Hae Kang, and Eun Mi Jeon，The 6th Seoul-Osaka Symposium on Environmental Problems Proceedings，(p.175 ～ 185)，Seoul，2003，ソウル

    

93. Biodegradability of Colloidal versus non-colloidal NOM: effects of Charge and size of both on AOC, BDOC, and membrane fouling

    Boksoon Kwon, Sangyoup Lee, Youngcheol Chang, and Jaeweon Cho，2002 WQTC，Water Quality Technology Conference, USA，2002，シアトル

    

94. Direct estimation of biomass on different pipe material coupons using a specific DNA-Probe

    Young C. Chang, L.P. Michael, Randall A.A. and Taylor J.S., Lamb B.M., Schulte A. and Brown P.S.，Water Quality Technology Conference，Water Quality Technology Conference，2002，シアトル

    

95. Analysis of algal toxins

    Young C. Chang, Mi-Hye Kang and Young S. Yoo，Seoul-Osaka Symposium on Waste problems，Seoul-Osaka Symposium on Waste problems，2001，ソウル

    

96. Viruses: in water system.

    Young C. Chang and Young S. Yoo.，Seoul-Osaka Symposium on Waste problems，Seoul，2001，ソウル

    

97. Several techniques for the determination of biostability in water distribution systems bench scale studies

    Young C. Chang, Michael Le Puil, and Kweon Jung，Seoul-Osaka Symposium on Waste problems，Seoul，2001，ソウル

    

98. Stabilization of hazardous inorganic waste by co-disposal landfill

    Jung, K., Kang,M. H., Chang, Y. C.,Shin, J. Y., Yoo, T. S., and Takamizawa, K，The 4th Seoul-Osaka Symposium on Environmental Problems，(p.111 ～ 119)，Seoul，2001，ソウル

    

99. Application of a membrane bioreactorimmobilized with Bacillus subtilis HHT-1for removing manganese ion inwater.

    K. Takamizawa,Young C. Chang, J. Hattori, M. Kani, K. Mori and M. Hatsu，Proc. of the IV-th International Conference on Water Supply and Water Quality，Poland，2000，Krakow

    

100. Dechlorination of Tetrachloroethylene by a membrane-associated dehalogenase from C. bifermentans DPH-1

     BC Okeke, Chang YC Takamizawa，International conference on remediation of chlorinated and recalcitrant compounds，USA，2000

     

101. Molecular characterization of a perchloroethylene (PCE) dehalogenase from Clostridium bifermentans DPH-1

     B.C. Okeke, Young C. Chang, M. Hatsu and K. Takamizawa，Environmental Biotechnology，International conference on Environmental Biotechnology，2000，Kyoto

     

102. Removal of tetrachloroethylene in an anaerobic fixed-bed reactor immobilized with Clostridium bifermentans DPH-1

     Y. C. Chang, K. Asanuma, M. Hatsu, and K. Takamizawa，Conference on Water Supply and Water Quality，Poland，2000，Krakow

     

103. Investigation of heavy metal stabilization by sulfate-reducing bacteria in municipal waste landfill layers

     Kweon Jung, YC Chang，Seoul-Osaka Symposium on Waste problems，(2)，Seoul，1999，ソウル

     

104. PCE degradation by microorganisms and environmental hormones

     YC Chang，Seoul-Osaka symposium onwaste problems，vol.1，(p.33 ～ 38)，Korea，1998

     

105. Degradation of tetrachloroethylene by heterotrophic enrichment cultures and its isolate

     Chang YC, Takamizawa Kazuhiro，International Symposium on Environmental Engineering，USA，1997，Korea