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Related Concept Videos

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation01:26

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation

Inductively coupled plasma (ICP) is the common plasma source used in atomic emission spectroscopy (AES), a technique that detects and analyzes various elements in a sample. This method is often called inductively coupled plasma atomic emission spectroscopy (ICP-AES).
There are three main types of inductively coupled plasma atomic emission spectroscopy  (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used.

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Related Experiment Video

Updated: Jun 28, 2026

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
07:39

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Published on: July 21, 2018

Parallel scan spectral surface plasmon resonance imaging.

Le Liu1, Yonghong He, Ying Zhang

  • 1Laboratory of Optical Imaging and Sensing, Graduate School at Shenzhen, Tsinghua University, Shenzhen, 518055, China. heyh@sz.tsinghua.edu.cn

Applied Optics
|October 22, 2008
PubMed
Summary
This summary is machine-generated.

A new parallel scan spectral surface plasmon resonance (SPR) imaging technique captures 2D refractive index distributions. This high-sensitivity, high-throughput method enables advanced biochip analysis.

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Last Updated: Jun 28, 2026

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
07:39

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Published on: July 21, 2018

Multimodal Analytical Platform on a Multiplexed Surface Plasmon Resonance Imaging Chip for the Analysis of Extracellular Vesicle Subsets
06:12

Multimodal Analytical Platform on a Multiplexed Surface Plasmon Resonance Imaging Chip for the Analysis of Extracellular Vesicle Subsets

Published on: March 17, 2023

Area of Science:

  • Optics and Photonics
  • Biomedical Engineering
  • Analytical Chemistry

Background:

  • Surface Plasmon Resonance (SPR) is a label-free optical technique for detecting molecular interactions.
  • Traditional SPR imaging often requires complex setups or sacrifices spatial resolution for spectral information.
  • High-throughput analysis is crucial for applications like drug discovery and diagnostics.

Purpose of the Study:

  • To develop and demonstrate a novel parallel scan spectral SPR imaging technique.
  • To achieve simultaneous acquisition of spectral and spatial information for refractive index mapping.
  • To enhance the throughput and sensitivity of SPR imaging for biochip analysis.

Main Methods:

  • Utilized a line-shaped light illumination source.
  • Employed an area CCD detector to capture SPR wavelength and spatial data.
  • Implemented a one-dimensional optical line parallel scan for 2D refractive index mapping.

Main Results:

  • Successfully demonstrated the acquisition of SPR wavelength information and one-dimensional spatial distribution from a single image.
  • Achieved two-dimensional refractive index distribution mapping of the entire sensing plane.
  • Validated the technique's capability for high-sensitivity and high-throughput measurements.

Conclusions:

  • The parallel scan spectral SPR imaging technique effectively maps 2D refractive index distributions.
  • This method offers significant advantages in sensitivity and throughput over existing techniques.
  • Potential applications include advanced analysis of biochips and other sensing platforms.