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Electrophoresis: Overview01:20

Electrophoresis: Overview

2.2K
Electrophoresis is a powerful analytical separation technique that relies on the differential migration of charged species when subjected to an electric field. The core strength of electrophoresis lies in its ability to separate high-molecular-weight species in complex mixtures. It has found widespread use in biochemistry, molecular biology, and analytical chemistry, allowing the separation of compounds like amino acids, nucleotides, carbohydrates, and proteins with excellent resolution.
There...
2.2K
Capillary Electrophoresis: Applications01:30

Capillary Electrophoresis: Applications

527
Capillary electrophoretic separations offer various modes, each with unique applications. These modes include capillary zone electrophoresis, capillary gel electrophoresis, capillary array electrophoresis, capillary isoelectric focusing, capillary isotachophoresis, micellar electrokinetic chromatography, and capillary electrochromatography.
Capillary zone electrophoresis (CZE) separates ionic components based on their electrophoretic mobility. It has been used to separate proteins, amino acids,...
527
High-Performance Liquid Chromatography: Introduction01:11

High-Performance Liquid Chromatography: Introduction

2.3K
High-performance liquid chromatography(HPLC), formerly referred to as High-pressure liquid chromatography, is a powerful technique used to separate, identify, and quantify components in complex mixtures. The term "high pressure" refers to using high pressure to push the liquid mobile phase through the tightly packed columns.
In HPLC, two phases play a critical role in the separation process:
2.3K
High-Performance Liquid Chromatography: Types of Detectors01:15

High-Performance Liquid Chromatography: Types of Detectors

791
The role of the detectors in High-Performance Liquid Chromatography (HPLC) is to analyze the solutes as they exit from the chromatographic column. The detector recognizes the solute's property and generates corresponding electrical signals, which are converted into a readable graph of the detector's response versus elution time called a chromatogram at the computer. There are several types of HPLC detectors, each with its own advantages and limitations, depending on the analyte...
791
Types Of Column Chromatography01:29

Types Of Column Chromatography

11.6K
The stability and compatibility of column material with samples are crucial for efficient purification in chromatographic techniques. Various operating parameters such as pH, temperature, or solvent affect the packing of the column material, thereby determining the purification efficiency. The choice of column material also plays an essential role in deciding the operating parameters and can be modified based on the proteins that need to be purified.
Gel Filtration Chromatography
When the...
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Updated: Sep 9, 2025

Digital Microfluidics for Automated Proteomic Processing
10:55

Digital Microfluidics for Automated Proteomic Processing

Published on: November 6, 2009

12.6K

ナノ,毛細血管,およびマイクロフロークロマトグラフィック分離を用いた高性能プロテオミクス

Giorgi Tsiklauri1, Runsheng Zheng2, Nicole Kabella1

  • 1School of Life Sciences, Technical University of Munich, Emil Erlenmeyer Forum 5, Freising 85354, Germany.

Journal of proteome research
|September 3, 2025
PubMed
まとめ
この要約は機械生成です。

この研究は,高品質のプロテオーム分析に様々なクロマトグラフィの流れが有効であることを示しています. 毛細血管液体クロマトグラフィ (capLC) は,多くのプロテオミクスの応用において,ナノ液体クロマトグラフィ (nLC) に対して,堅牢で敏感な代替手段を提供している.

キーワード:
毛細血管フロークロマトグラフィーキノベールマススペクトロメトリーフォスフォプロテオミック

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Fast Enzymatic Processing of Proteins for MS Detection with a Flow-through Microreactor
09:49

Fast Enzymatic Processing of Proteins for MS Detection with a Flow-through Microreactor

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Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification
10:37

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification

Published on: November 15, 2017

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関連する実験動画

Last Updated: Sep 9, 2025

Digital Microfluidics for Automated Proteomic Processing
10:55

Digital Microfluidics for Automated Proteomic Processing

Published on: November 6, 2009

12.6K
Fast Enzymatic Processing of Proteins for MS Detection with a Flow-through Microreactor
09:49

Fast Enzymatic Processing of Proteins for MS Detection with a Flow-through Microreactor

Published on: April 6, 2016

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Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification
10:37

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification

Published on: November 15, 2017

12.1K

科学分野:

  • プロテオミクス
  • 分析化学
  • 染色学

背景:

  • 質量スペクトロメトリーに基づくプロテオミクスは,敏感で高通量な方法を必要とします.
  • 複雑なプロテオームと幅広いダイナミックレンジは,高度な染色学的な分離を必要とします.
  • クロマトグラフィの最適化は,質量スペクトロメトリの性能にとって極めて重要です.

研究 の 目的:

  • 異なる染色体流量とコラム直径でタンパク質分析の性能を体系的に評価する.
  • ヘラ・セル・ダイジェストの連続的な稀释を用いて性能を比較する.
  • プロテオミクスにおける最適な染色体パラメータの選択のための経験的指針を提供すること.

主な方法:

  • ヴァンキッシュ・ネオ HPLC システムをQ Exactive HF-X マススペクトロメーターと接続した.
  • 試算した流量は0.3~50μL/minで,柱の直径は様々です.
  • 試料につき60分という固定された総分析時間を維持し,1日24個の試料を採取することができる.

主要な成果:

  • 全てのクロマトグラフィック・フローレットは,高品質のプロテオーム分析をサポートした.
  • ナノ液体染色体 (nLC) に比べて,1.5μL/分で毛細血管液体染色体 (capillary liquid chromatography, capLC) が頑丈で,敏感で,定量的な選択肢であることが証明された.
  • プロテオーム,フォスフォプロテオーム,および薬物プロテオーム分析に関するデータは,方法選択のための実用的な洞察を提供します.

結論:

  • クロマトグラフィの流れ率とコラム直径の選択は,プロテオミク解析結果に大きく影響する.
  • capLCは,多くのプロテオミクスの用途において,nLCの実行可能で効率的な代替手段である.
  • この研究は,研究者が特定のタンパク質のワークフローを最適化するための貴重なデータを提供します.