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相关概念视频

Potentiometry: Membrane Electrodes01:15

Potentiometry: Membrane Electrodes

Membrane electrodes, also known as p-ion electrodes, use membranes that selectively interact with free analyte ions, generating a potential difference across the membrane. The resulting membrane potential, known as the asymmetry potential, is not zero even when analyte concentrations on both sides of the membrane are equal. The membrane's response is typically not selective to a single analyte but proportional to the concentration of all ions in the sample solution capable of interacting at the...
Amperometry: Overview01:10

Amperometry: Overview

Amperometry is a technique commonly used to measure the concentration of specific analytes in a solution by monitoring the electric current generated during an electrochemical reaction. It involves applying a constant potential between a working electrode and a reference electrode to measure the resulting current, which is proportional to the concentration of the analyte. The Clark oxygen electrode operates based on this principle of amperometry. It consists of a cathode and an anode enclosed...
Microbial Biosensors01:17

Microbial Biosensors

Microbial biosensors are analytical devices that utilize living microbes to detect specific substances through measurable signals. These devices consist of two main components: biosensing organisms and signal-transducing elements. Biosensing organisms, such as Escherichia coli or Saccharomyces cerevisiae, are typically housed in multiwell plates connected to transducers, enabling rapid, real-time detection of target analytes.Signal Generation MechanismWhen a target analyte—such as...

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相关实验视频

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酸调制合成用于氧化物生物传感器接口的应用.

Edgar Cristóbal-Lecina1, Janwa El-Maiss2, Eduard Figueras1

  • 1Proteomics and Protein Chemistry Unit, Department of Medicine and Life Sciences, Pompeu Fabra University, 08003 Barcelona, Spain.

Nanomaterials (Basel, Switzerland)
|December 22, 2023
PubMed
概括

我们开发了一种酸调制的策略,用于在生物传感器接口上产生新微阵列. 这种方法可以使用高产量和高纯度的场效应晶体管 (FET) 传感器进行无标签的蛋白质选.

关键词:
在 SPR 芯片上.抗酸可变的保护方案玻璃表面的玻璃表面.酸合成的合成

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科学领域:

  • 生物技术是生物技术.
  • 化学合成 化学合成
  • 生物传感器技术技术

背景情况:

  • 固相合成 (SPPS) 对于创建基于的工具至关重要.
  • 为生物传感器接口开发高效的合成方法仍然是一个挑战.
  • 无标签检测方法对于蛋白质选非常理想.

研究的目的:

  • 报告一种新的酸调制策略,用于微阵列的生产.
  • 将SPPS化学调整为直接用于生物传感器接口,特别是场效应晶体管 (FET) 传感器.
  • 通过创建片微阵列,使无标签的蛋白质选成为可能.

主要方法:

  • 使用受控孔玻璃 (CPG) 作为SPPS的支.
  • 在N端氨基函数中采用了酸标记性 tert-butyloxycarbonyl (Boc) 保护组.
  • 组合Boc保护与对氨基酸残留的半永久侧链保护.
  • 调整和优化了CPG的保护方案,并将其转化为表面等离子体共振 (SPR) 芯片.

主要成果:

  • 在CPG支上合成的的高产量和纯度.
  • 成功证明了酸调制合成在平面玻璃表面的可行性.
  • 使用SPR芯片验证了使用SPR芯片对氨基酸合的层次监测.
  • 在生物-FET传感器接口上制造微阵列的可行方法.

结论:

  • 酸调节的策略是有效的生产高质量的在生物传感器接口.
  • 这种方法促进了用于蛋白质选应用的无标签微阵列的开发.
  • 该方法可应用于各种平面玻璃表面,包括用于生物FET的平面玻璃表面.