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Tandem Mass Spectrometry01:21

Tandem Mass Spectrometry

Tandem mass spectrometry is a technique that uses multiple mass analyzers in series to obtain a higher selectivity and reduce chemical noise during analyte detection. Instruments with multiple analyzers separated by an interaction cell enable secondary fragmentation and selected study of the fragment ions.Secondary fragmentations occur in the interaction cell and can be induced by various factors. Fragmentation induced by collision with inert gases, such as N2, Ar, He, etc., is called...
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A Multimodal Wide-Field Fourier-Transform Raman Microscope
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Practical multi-spectrum Hadamard transform spectrometer.

M H Tai, D A Briotta, N S Kamath

    Applied Optics
    |February 16, 2010
    PubMed
    Summary
    This summary is machine-generated.

    A new Hadamard transform spectrometer (HTS) was developed, providing fifteen infrared spectra in real-time. This field-operable instrument utilizes a minicomputer for rapid spectral data acquisition and display.

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    Area of Science:

    • Spectroscopy
    • Optical Engineering
    • Instrument Development

    Background:

    • Traditional spectrometers can be slow and cumbersome for field applications.
    • Real-time spectral analysis is crucial for dynamic environmental monitoring and industrial processes.

    Purpose of the Study:

    • To develop and demonstrate a novel Hadamard transform spectrometer (HTS) for rapid, simultaneous spectral acquisition.
    • To enable field operation of a high-performance spectrometer system.

    Main Methods:

    • Construction of a Hadamard transform spectrometer capable of acquiring multiple spectra concurrently.
    • Integration of a minicomputer with 8K memory and a CRT display for real-time data processing.
    • Development of a compact and robust system for field deployment.

    Main Results:

    • The HTS successfully obtains fifteen infrared spectra simultaneously, each with 255 spectral elements.
    • Spectra are acquired and displayed in near real-time, demonstrating the system's speed.
    • The instrument's design facilitates efficient field operation.

    Conclusions:

    • The developed HTS offers a significant advancement in real-time spectral analysis capabilities.
    • The system's real-time performance and field operability make it suitable for various demanding applications.
    • This technology enables faster and more efficient data collection in remote or dynamic environments.