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生きた細胞のサンプリングのためにマイクロチップを利用します。マイクロチップとはプラスチックやガラスの手のひらサイズの板の上に溝や穴、ナノスケールの官能基を固定化することで特殊な機能を持たせた試験片です。
我々はナノテクノロジーとバイオテクノロジーを融合し、大学の研究室や公共の研究所で行なわれる複雑なサンプルの前処理の過程及び分析を使い捨てのプラスチック片で可能としてきました。このような機能を持たせたプラスチック片はLab
on Chip(プラスチックの上の研究室)と呼ばれることもあります。
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参考文献 (Reference)
1. Zhenqing Li, Ruixue
Ju, Shinichi Sekine, Dawei Zhang, Songlin Zhuang, Yoshinori Yamaguchi, "All-in-one microfluidic device for on-site diagnosis of pathogens based on integrated continuous flow PCR and electrophoresis
biochip", Lab on a Chip, 19:2663-2668 (2019) (Cover Article).
2. Zhenqing Li, Bo Yang, Shinichi
Sekine, Dawei
Zhang, Songlin Zhuang, Yoshinori Yamaguchi, "Alignment and Counting of Mitochondria based on Capillary
Electrophoresis". Sensors & Actuators B: Chemical ,
265:110-114 (2018).
3.Aya Hashimoto, Yoshinori Yamaguchi*, Liang-da Chiu, Chiaki Morimoto, Katsumasa Fujita, Masahide
Takedachi, Satoshi Kawata, Shinya Murakami, Eiichi Tamiya, "Time-lapse Raman imaging of osteoblast differentiation",
Scientific reports, Vol5, Article# 12529, (2015)
4.Zhenqing Li, Ronglin Yang, Q Wang, Dawei Zhang, Songlin Zhuang, Yoshinori
Yamaguchi, " Electrophoresis of Periodontal Pathogens in Poly (ethyleneoxide) Solutions with Uncoated Capillary ",
Analytical Biochemistry 471, 70-72 (2015)
5.Zhenqing Li, De Li, Dawei Zhang, Yoshinori Yamaguchi, "Determination and quantification of Escherichia coli by capillary electrophoresis ",
Analyst, 139, 6113-6117, (2014)
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すべての飲み薬は心臓に対する毒性を調べる必要があります。
肺細胞から分化させた心筋の集団に対してイメージングにより毒性診断を可能とします。 |
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参考文献 (Reference)
1. Mohammad Mosharaf Hossain, Eiichi Shimizu, Sathuluri Ramachandra Rao, Masato Saito, Yoshinori Yamaguchi, Eiichi Tamiya, "Non-invasive characterization of Mouse Embryonic Stem cell derived Cardiomyocytes based on the intensity variation in digital beating video", Analyst, 135, 1624-1630 (2010)
2.
Zhenqing Li, Ruixue
Ju, Shinichi Sekine, Dawei Zhang, Songlin Zhuang, Yoshinori Yamaguchi, "All-in-one microfluidic device for on-site diagnosis of pathogens based on integrated continuous flow PCR and electrophoresis
biochip", Lab on a Chip, 19:2663-2668 (2019) (Cover Article).
3. Zhenqing Li, Bo Yang, Shinichi
Sekine, Dawei
Zhang, Songlin Zhuang, Yoshinori Yamaguchi, "Alignment and Counting of Mitochondria based on Capillary
Electrophoresis". Sensors & Actuators B: Chemical ,
265:110-114 (2018).
4.Aya Hashimoto, Yoshinori Yamaguchi*, Liang-da Chiu, Chiaki Morimoto, Katsumasa Fujita, Masahide
Takedachi, Satoshi Kawata, Shinya Murakami, Eiichi Tamiya, "Time-lapse Raman imaging of osteoblast differentiation",
Scientific reports, Vol5, Article# 12529, (2015)
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StemCell の非侵襲診断
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肝細胞から分化させた目的細胞は移植前にその機能を診断する必要があります。
肝細胞の分化過程を非侵襲で測定する手法を開発しました
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参考文献 (Reference)
1.
Maha A. El-Hagrasy*, Eiichi Shimizu, Masato Saito, Yoshinori Yamaguchi, Eiichi Tamiya, "Discrimination of primitive endoderm in embryoid bodies by Raman microspectroscopy", Analytical and Bioanalytical Chemistry, DOI 10.1007/s00216-011-5554-6 (2011)
2.
Zhenqing Li, Ruixue
Ju, Shinichi Sekine, Dawei Zhang, Songlin Zhuang, Yoshinori Yamaguchi, "All-in-one microfluidic device for on-site diagnosis of pathogens based on integrated continuous flow PCR and electrophoresis
biochip", Lab on a Chip, 19:2663-2668 (2019) (Cover Article).
3. Zhenqing Li, Bo Yang, Shinichi
Sekine, Dawei
Zhang, Songlin Zhuang, Yoshinori Yamaguchi, "Alignment and Counting of Mitochondria based on Capillary
Electrophoresis". Sensors & Actuators B: Chemical ,
265:110-114 (2018).
4.Aya Hashimoto, Yoshinori Yamaguchi*, Liang-da Chiu, Chiaki Morimoto, Katsumasa Fujita, Masahide
Takedachi, Satoshi Kawata, Shinya Murakami, Eiichi Tamiya, "Time-lapse Raman imaging of osteoblast differentiation",
Scientific reports, Vol5, Article# 12529, (2015)
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呼気ガスの測定
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DNA/RNAの分析
参考文献 (Reference)
1. Yoshinori Yamaguchi, Zhenqing Li, Xifang Zhu, Chenchen Liu, Dawei
Zhang, " Polyethylene Oxide (PEO) and Polyethylene Glycol (PEG) Polymer Sieving Matrix for RNA Capillary Electrophoresis
",PLoS One, 10(6):e0131265. Epub 2015 Jun 18 (2015) | doi:10.1371/journal.pone.0123406
2. Zhenqing Li, Chenchen Liu,
Yi Ni, Jiaxuan Wang, Yoshinori Yamaguchi, “Electromigration behavior of nucleic acids in capillary electrophoresis under pulsed-field conditions”,
Journal of Chromatography A, 1331, (28), 100-107 (2014)
3.Keiko Sumitomo, Yoshinori Yamaguchi*, Kuniaki Tatsuta, "High performance RNA separation by in-capillary denaturing polymer electrophoresis with 1,2,5-thiadiazole as an additive",
Journal of Separation Science, 34, (29), 2901-2905 (2011), (2.63)
4.Yoshinori Yamaguchi, Todor I. Todorov, Michael D. Morris and Ronald G. Larson “Distribution of single DNA molecule electrophoretic velocities in semi-dilute and dilute hydroxyethyl cellulose solutions”,
Electrophoresis 25, 999-1006 (2004).
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キャピラリー電気泳動
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