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Browsing by Author "Z-Hun Kim"

Browsing by Author "Z-Hun Kim"

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  • A Composite Dermal Filler Comprising Cross-Linked Hyaluronic Acid and Human Collagen for Tissue Reconstruction 
    Z-Hun Kim; 이영준; 김선미; 김호진; 윤창구; Yong-Soo Choi (The Korean Society For Microbiology And Biotechnology, 2015-03)
    In this study, we developed a composite filler comprising cross-linked hyaluronic acid (HA) and human collagen (COL) derived from the human umbilical cord with the aim of improving its biocompatibility and longevity compared ...
  • Chlorella vulgaris와 Parachlorella sp. 메탄올 추출물의 항산화 및 항암 효과 
    Hyun-Jin Jang; Kyung June Yim; Chang Soo Lee; Ji Young Jung; Hyun Ju Nam; Yeji Park; Yu Ho Kim; Jee Hwan Kim; Su-Hwan Cheon; Z-Hun Kim (The Korean Society For Biotechnology And Bioengineering, 2022-12)
    The anti-cancer and anti-oxidant activities of methanolic extracts from two indigenous freshwater microalgae (Chlorella vulgaris and Parachlorella sp.) were evaluated in vitro. The extracts from Chlorella vulgaris and ...
  • Development of Carbon-Based Solid Acid Catalysts Using a Lipid- Extracted Alga, Dunaliella tertiolecta, for Esterification 
    Ryu Young-Jin; Z-Hun Kim; Seulki Lee; YANG JI HYUN; 신희용; LEE CHOULGYUN (The Korean Society For Microbiology And Biotechnology, 2018-05)
    Novel carbon-based solid acid catalysts were synthesized through a sustainable route from lipid-extracted microalgal residue of Dunaliella tertiolecta, for biodiesel production. Two carbon-based solid acid catalysts were ...
  • Effective Delivery of siRNA to Transgenic Rice Cells for Enhanced Transfection Using PEI-based Polyplexes 
    전수환; Z-Hun Kim; Choi Hong Yeol; 강승훈; 남형진; 김지연; Dong-Il Kim (The Korean Society For Biotechnology And Bioengineering, 2017-10)
    Various polymers were used as transfection factors for small interfering RNA (siRNA) to effectively suppress human cytotoxic T-lymphocyte antigen 4-immunoglobulin (hCTLA4Ig) gene in transgenic rice cells. Five kinds of ...
  • Enhanced Fatty Acid Productivity by Parachlorella sp., a Freshwater Microalga, via Adaptive Laboratory Evolution Under Salt Stress 
    Z-Hun Kim; 김광민; Hanwool Park; Chang Soo Lee; Seung Won Nam; Kyung June Yim; Ji Young Jung; Seong-Joo Hong; LEE CHOULGYUN (The Korean Society For Biotechnology And Bioengineering, 2021-04)
    Salt stress can be used to increase intracellular lipid content of microalgae. However, the growth of microalgae is decreased under salt stress. Thus, a two-stage cultivation strategy with a growth phase followed by a ...
  • Enhanced Production of Fatty Acids via Redirection of Carbon Flux in Marine Microalga Tetraselmis sp. 
    한미애; Seong-Joo Hong; Z-Hun Kim; Byung-Kwan Cho; Lee Hoo Keun; Hyung-Kyoon Choi; LEE CHOULGYUN (The Korean Society For Microbiology And Biotechnology, 2018-02)
    Lipids in microalgae are energy-rich compounds and considered as an attractive feedstock for biodiesel production. To redirect carbon flux from competing pathways to the fatty acid synthesis pathway of Tetraselmis sp., we ...
  • Enhancing Microalgal Biomass Productivity in Floating Photobioreactors with Semi-Permeable Membranes Grafted with 4-Hydroxyphenethyl Bromide 
    Kwangmin Kim; Z-Hun Kim; Hanwool Park; Yunwoo Lee; Kihyun Kim; Sungmo Kang; Sang-Min Lim; LEE CHOULGYUN (The Polymer Society Of Korea, 2020-02)
    Microalgal biomass productivity of semi-permeable membrane photobioreactors (SPM-PBRs) highly depends on diffusion of nutrient ions from surrounding environment through SPMs. The objective of this study was to enhance ...
  • In vitro 실험을 통한 벼세포 추출물의 창상 치유 효능 평가 
    Z-Hun Kim; 김선미; 박진호; 박찬미; 최홍열; 이후민; Jae Kweon Park; Soonjo Kwon; Dong-Il Kim; 장규호; Yong-Soo Choi; 임상민 (The Korean Society For Microbiology And Biotechnology, 2016-09)
    In the present study, we evaluated the in vitro wound-healing properties of two types of rice cell extracts (RCEs; prepared using ethanol and pressurized hot water extraction methods), using human dermal fibroblasts and ...
  • Influence of Sodium Orthovanadate on the Production of Astaxanthin from Green Algae Haematococcus lacustris 
    Ngoc-Phuong Tran; Jae Kweon Park; Z-Hun Kim; LEE CHOULGYUN (The Korean Society For Biotechnology And Bioengineering, 2009-06)
    Astaxanthin production is commonly induced under stress conditions such as nutrient deficiency (N or P), high light stress, and variations of temperature, high NaCl concentrations, and other factors. The objective of the ...
  • Red and Blue Photons Can Enhance the Production of Astaxanthin from Haematococcus pluvialis 
    Z-Hun Kim; Ho-Sang Lee; LEE CHOULGYUN (The Korean Society Of Phycology, 2009-06)
    The unicellular green alga, Haematococcus pluvialis, accumulates the highest level of astaxanthin among known astaxanthin-producing organisms. Light is the most important factor to induce astaxanthin by H. pluvialis. Blue ...
  • Statistical Optimization of Culture Media for Growth and Lipid Production of Botryococcus braunii LB572 
    Hai-Linh Tran; Ji-Sue Kwon; Z-Hun Kim; LEE CHOULGYUN; Oh， You-Kwan (The Korean Society For Biotechnology And Bioengineering, 2010-04)
    Botryococcus braunii has an outstanding ability to produce lipid; however, it is a slow-growing green microalgae. Statistical optimization of growth media was performed to faster growth and to increase lipid concentration. ...
  • 낙동강 수계에서 분리한 녹조류 2종의 질소와 인의 결핍에 따른 생장 및 지방산 변화 연구 
    Kyung June Yim; Hanwool Park; Chang Soo Lee; Bok Yeon Jo; Seung Won Nam; LEE CHOULGYUN; Z-Hun Kim (The Korean Society for Marine Biotechnology, 2019-12)
    In this study, effects of nitrogen (N) and phosphorus (P) starvation on the cell growth and fatty acid (FA) production of newly isolated freshwater microalgae were investigated. The microalgae were identified as Chlorella ...
  • 담수 미세조류 Mychonastes sp. 249 추출물의 MMP-1, COL1A1과 SMAD-3 발현 조절을 통한 콜라겐 합성 증진 효과 
    Ji Woo Hong; Suh Hee Yeom; Ye Sol Oh; Park Jae Hoon; Min Ho Kang; 김영현; Z-Hun Kim; Kyung June Yim; KIM, JINW00 (The Korean Society of Food Science and Nutrition, 2023-02)
    본 연구는 Mychonastes sp. 249 추출물의 콜라겐 합성 증진을 통한 피부재생 효과를 검증하고자 콜라게네이즈 활성 저해 효과와 HDF에서 피부 세포재생 효과를 평가하였다. Mychonastes sp. 249 추출물의 콜라게네이즈 활성 저해는 67.0%로 확인되어 콜라겐 분해 방지를 통한 주름 개선 효과를 확인하였다. Mychonastes sp. 249 추출물의 세포재생 효과를 확인하기 ...
  • 신규 분리된 Mychonastes sp.의 생장, 지방산 및 색소 생산에 생장배지가 미치는 영향 
    Z-Hun Kim; Z-Hun Kim; Kyung June Yim; Hyun-Jin Jang; Yeji Park; Seung Won Nam; Buyng Su Hwang; Ji Young Jung; Chang Soo Lee (The Korean Society for Marine Biotechnology, 2022-06)
    This study examined the growth, fatty acid (FA) content, and carotenoids of a newly isolated freshwater microalga, Mychonastes sp. 246, in various culture media. The appropriate temperature and light intensity for culturing ...
  • 신규 분리된 담수미세조류 Parachlorella sp.의 지방산 생산성 향상을 위한 배지 조성 연구 
    Hanwool Park; Kyung June Yim; Jiho Min; Sungmo Kang; Chan-woo Han; Chang Soo Lee; Ji Young Jung; Seong-Joo Hong; LEE CHOULGYUN; Z-Hun Kim (The Korean Society For Microbiology And Biotechnology, 2020-09)
    본 연구에서는 국내 낙동강 수계에서 신규하게 분리된 미세조류인 Parachlorella sp. 종의 바이오매스 및 지방산 생산성에 대한 배지의 영향을 연구하였다. 미세조류 배양에 통상적으로 사용되는 BG-11, TAP, BBM 배지를 사용하여 바이오매스 생산성은 TAP 배지에서, 지방산 축적은 BBM 배지에서 가장 잘 일어나는 것으로 확인되었고, 지방산 생산성을 향상시키기 위해 암모니아와 ...
  • 알긴산염 마이크로캡슐 내부에 동결보존된 사상체 남세균의 특성 연구 
    PARK MIRYE; Z-Hun Kim; Seung Won Nam; Sang Deuk Lee; Suk Min Yun; Dae Ryul Kwon; Chang Soo Lee (The Korean Society For Microbiology And Biotechnology, 2020-06)
    남세균은 수계나 토양 생태계에서 질소 고정 능력으로 인해 질소순환 과정에 중요한 역할을 하는 미생물로 다양한 산업분야에서 활용될 수 있는 유용 물질을 생산할 수 있다. 또한 일부 종은 수생태계에서 유해조류 번성을 일으켜 수자원의 이용을 제한한다. 일반적으로 생물소재은행은 관련 연구를 위해 남세균 배양주를 제공하는 역할을 한다. 하지만 국내 생물소재은행에서는 남세균의 체계적인 보존이 미비한실정이다. ...
  • 저온 생장성이 우수한 분리 미세조류 Tetraselmis sp. 5개주의 생장 패턴 및 지방산 조성 분석 
    Hanwool Park; 허동희; 신동우; Z-Hun Kim; Seong-Joo Hong; 임상민; LEE CHOULGYUN (The Korean Society for Marine Biotechnology, 2019-06)
    For successful microalgal biodiesel production, the strain should be selected carefully. Fast growth rate and high fatty acid contents are desired traits for algal biodiesel production. In ocean cultivation of microalgae, ...
  • 초기 육계 사료 내 미세조류(Tetradesmus sp.) 첨가에 따른 장관환경 변화 
    Chae Yun Rim; Hui-su Jung; Su Hyun An; Sang Seok Joo; Z-Hun Kim; Kong Changsu; Myunghoo Kim (Korean Society Of Poultry Science, 2022-07)
    This study aimed to determine the effects of dietary microalgae (Tetradesmus sp. (TO)) on intestinal immunity and microbiota of pre-starter broilers. One hundred and twenty 1-day-old birds (Ross 308) were allocated to two ...
  • 초기 육계 사료내 토착미세조류( Parachlorella sp.) 첨가에 따른 성장 및 면역반응 변화 
    Su Hyun An; JOO SANG SEOK; hyo gun lee; Z-Hun Kim; Chang Soo Lee; Myunghoo Kim; Kong， Changsu (Korean Society Of Poultry Science, 2020-03)
    The present study determined the effect of dietary cultivated microalgae (Parachlorella sp.) on the growth and immune responses of pre-starter broilers. A total of 320 one-day-old birds (Ross 308) were allocated to 4 ...
  • 커피박 기반 Candida bombicola 정밀발효 공정을 이용한 Sophoro_Cafe 소재의 모유두세포 증식 효과 
    Ji-ho Park; Jung-Ok Lee; Z-Hun Kim; Su-Hwan Cheon; Guewha Lee; Mediana Hadiwidjaja; HAN, SIN HO (Korea Organic Resource Recycling Associationl(Korra), 2025-12)
    커피 산업에서 대량 발생하는 커피박(spent coffee grounds)은 대부분 저부가 방식으로 처리되고 있으나, 항산화 및 생리활성 성분이 풍부해 기능성 소재로의 활용 가능성이 크다. 본 연구에서는 커피박을 기질로 효모Candida bombicola를 배양하여 소포로리피드가 풍부한 발효 추출물(Sophoro_Cafe)을 제조하고, 이의 항산화활성 및 모발 관련 기능을 평가하였다. 30 L ...

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