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Updated: Jul 15, 2026

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High Throughput Single-cell and Multiple-cell Micro-encapsulation
Published on: June 15, 2012
細胞,タンパク質,微粒子の微流体封入を脂質ベジクルに制御する
Yung-Chieh Tan1, Kanaka Hettiarachchi, Maria Siu
1University of California Irvine, Department of Biomedical Engineering, Irvine, California 92697, USA. ytan@uci.edu
Journal of the American Chemical Society
|April 28, 2006
まとめ
新しいマイクロフリウイド技術により,有毒な溶媒なしで細胞封じ込めのための脂質ベジクルを素早く配製します. この方法は,細胞生物学と薬物投与の応用のために,制御された封じ込め効率と一貫した膀サイズを提供します.
科学分野:
- バイオテクノロジー バイオテクノロジー
- マテリアルサイエンス 材料科学
- 細胞生物学 細胞生物学
背景:
- 脂質ベシクルは,生物学的物質を封じ込めるために極めて重要です.
- 伝統的な方法は,しばしば有毒な溶媒を含み,正確な制御が欠けている.
- 効率的で無毒な膀製剤技術の開発は不可欠です.
研究 の 目的:
- 急速な脂質ベジクル製剤のための新しい微流体技術を導入する.
- タンパク質,細胞,ビーズを含む様々なペイロードの封じ込みを実証する.
- マイクロ流体パラメータを使用してカプセル化効率と膀のサイズを制御します.
主な方法:
- リピドベシクル製剤の微流体装置を使用しました.
- 膀の合成に溶媒のないアプローチを採用しました.
- マイクロフリウイドの流れ率を調整することによって,制御された封じ込みをします.
- 特徴的な膀のサイズと,異なるペイロードに対する封じ込め効率.
主要な成果:
- リピドベシクルは数分で形成された.
- 緑色光タンパク質 (GFP),がん細胞,ビーズの封入が達成されました.
- 膀の平均直径は27.2ミクロン (GFP),62.4ミクロン (細胞),55.9ミクロン (ビーズ) でした.
- 膀の大きさの変動は,GFPと細胞では約20%,ビーズでは10%でした.
結論:
- マイクロフリウイド技術は,脂質ベジクル製剤の迅速で効率的で無毒な方法を提供します.
- このアプローチは,多様な生物学的および非生物学的材料の制御された封じ込みを可能にします.
- この方法は,細胞封じ込めと薬物投与システムにおける応用の可能性を示しています.
関連する概念動画
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For example, lysosomes in the animal cells...
For example, lysosomes in the animal cells...
Membrane Fluidity
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Membrane Fluidity
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Mosaic nature of the membrane
The mosaic characteristic of the membrane helps the plasma membrane remain fluid. The integral proteins and lipids exist as separate but loosely-attached molecules in the membrane. The membrane is a relatively...
Mosaic nature of the membrane
The mosaic characteristic of the membrane helps the plasma membrane remain fluid. The integral proteins and lipids exist as separate but loosely-attached molecules in the membrane. The membrane is a relatively...
Membrane Domains
The membrane domains concentrate specific lipids and proteins at one place within the membrane, which helps in cell signaling, adhesion, and other critical cellular processes. These domains can differ in size, composition, function, and lifespan.
Protein Domains
The membrane comprises a group of distinct proteins responsible for carrying out a cell's specific function. For example, the plasma membrane of the human sperm, or a single germ cell, contains a unique set of proteins in the anterior...
Protein Domains
The membrane comprises a group of distinct proteins responsible for carrying out a cell's specific function. For example, the plasma membrane of the human sperm, or a single germ cell, contains a unique set of proteins in the anterior...
Assembly of the Lipid Bilayer in the ER
Biological membranes are more than just a barrier separating cell cytoplasm from the outside environment. They are highly dynamic and help maintain the integrity and physiological stability of the cells as well as membrane-bound organelles. Membranes also play vital roles in cell-to-cell and intracellular communication.
A large chunk of any biological membrane is composed of phospholipids. These lipids have a heterogeneous distribution across different subcellular organelles and even between...
A large chunk of any biological membrane is composed of phospholipids. These lipids have a heterogeneous distribution across different subcellular organelles and even between...
Eukaryotic Compartmentalization
One of the distinguishing features of eukaryotic cells is that they contain membrane-bound organelles, such as the nucleus and mitochondria, that carry out specialized functions. Since biological membranes are only selectively permeable to solutes, they help create a compartment with controlled conditions inside an organelle. These microenvironments are tailored to the organelle's specific functions and help isolate them from the surrounding cytosol.
For example, lysosomes in the animal cells...
For example, lysosomes in the animal cells...

