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単細胞の超複合イメージングのためのフラクタルナノプラズモニックラベル
Jianlei Shen1, Le Liang2, Mingshu Xiao3
1School of Chemistry and Chemical Engineering, and Institute of Molecular Medicine, Renji Hospital, School of Medicine , Shanghai Jiao Tong University , Shanghai 200240 , China.
Journal of the American Chemical Society
|July 10, 2019
まとめ
研究者らは,スーパーマルチプレックス (SM) イメージングのための新しいDNA工学ナノプラズモニックラベルを開発した. これらの超明るく光安定したラベルは 複雑な生物学的研究のための 伝統的な光法を超えて 進化した細胞分析を可能にします
科学分野:
- ナノテクノロジー
- バイオ物理学
- 細胞生物学
背景:
- システム生物学では 複数のバイオ分子に 同時にラベルを貼る方法が必要です
- 既存の光マルチプレキシングは解像度と容量の制限があります.
研究 の 目的:
- スーパーマルチプレックス (SM) イメージングのための新しいDNAエンジニアリングのフラクタルナノプラズモニックラベルを開発する.
- 超高輝度と光安定性を達成し, 細胞画像を改良する.
主な方法:
- 調節可能なフラクタル形態を持つ均一な50nmナノプラズモニックラベルの製造.
- 従来の光多重化の限界を上回る SM プラズモニックイメージングを使用します.
- タンパク質ナノ粒子輸送の受容体媒介内細胞化の定量的なイメージングを証明する.
主要な成果:
- 調節可能な端面面比 (δ = 0.29-1.66) を有する色分解性ナノプラズモニックラベルを開発した.
- 伝統的な光マルチプレキシング能力を超えたSMプラズモニックイメージングを達成しました.
- 単細胞内の複数のタンパク質ナノ粒子構造のリアルタイム定量イメージングを成功裏に実行しました.
結論:
- 開発されたSM-プラズモニック・メソッドは,細胞画像に優れたマルチプレクスを提供します.
- この技術は,ナノ毒理学におけるタンパク質・ナノ粒子の相互作用を理解するのに役立ちます.
- 診断と治療のためのナノ医薬品の開発を容易にする.
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