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Related Concept Videos

MALDI-TOF Mass Spectrometry01:19

MALDI-TOF Mass Spectrometry

Mass spectrometry is a powerful characterization technique that can identify and separate a wide variety of compounds ranging from chemical to biological entities, based on their mass-to-charge ratio (m/z). The instruments that allow this detection, known as mass spectrometers, have three components: an ion source, a mass analyzer, and a detector. These spectrometers differ based on the nature of their ion source and analyzers.Matrix-assisted laser desorption ionization (MALDI) is a commonly...
Peptide Identification Using Tandem Mass Spectrometry01:33

Peptide Identification Using Tandem Mass Spectrometry

Tandem mass spectrometry, also known as MS/MS or MS2, is an analytical technique that employs two mass analyzers. Essentially it is a series of mass spectrometers that helps isolate a particular biomolecule and then helps study its chemical properties.
This technique helps gather information regarding the protein from which the peptide was obtained and to study the peptides’ amino acid sequence. Identifying peptides from a complex mixture is an important component of the growing field of...
Mass Spectrum: Interpretation01:24

Mass Spectrum: Interpretation

An unknown compound can be established by identifying the molecular ion peak in the mass spectrum. The molecular ion peak is often weak or absent due to the predominance of fragmentation in high-energy electron beams. In such cases, a soft-energy electron beam can be used to scan the spectrum to enhance the intensity of the molecular ion peak. Additionally, chemical ionization, field ionization, and desorption ionization spectra are used to obtain a relatively intense molecular ion peak.To...

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Related Experiment Video

Updated: May 9, 2026

Characterizing Cellular Proteins with In-cell Fast Photochemical Oxidation of Proteins
09:03

Characterizing Cellular Proteins with In-cell Fast Photochemical Oxidation of Proteins

Published on: March 11, 2020

Peptide mass fingerprinting using field-programmable gate arrays.

I A Bogdan, D Coca, R J Beynon

    IEEE Transactions on Biomedical Circuits and Systems
    |July 16, 2013
    PubMed
    Summary
    This summary is machine-generated.

    Reconfigurable computing using field-programmable gate arrays (FPGAs) accelerates mass spectrometry data processing. This hardware solution offers a 100x speedup for MALDI-TOF analysis with high accuracy.

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    Area of Science:

    • Computational science
    • Analytical chemistry
    • Electrical engineering

    Background:

    • Mass spectrometry, particularly MALDI-TOF, generates large datasets requiring efficient processing.
    • Reconfigurable computing offers a flexible and high-performance alternative to traditional software-based analysis.

    Purpose of the Study:

    • To develop and evaluate a reconfigurable computing solution for accelerating the processing of raw mass spectrometric data.
    • To implement key mass spectrometry data processing algorithms on an FPGA.

    Main Methods:

    • Hardware implementation of denoising, baseline correction, peak identification, and deisotoping algorithms on a Xilinx Virtex-2 FPGA.
    • Performance comparison against a software-based algorithm running on a high-performance server and commercial software (MassLynx).

    Main Results:

    • The FPGA implementation achieved over 100 times the processing speed compared to a software-based C algorithm.
    • The hardware-accelerated processing generated a mass fingerprint with results virtually identical to the commercial MassLynx software.
    • The system operated at 180 MHz, demonstrating efficient hardware utilization.

    Conclusions:

    • Reconfigurable computing provides a significant speed enhancement for MALDI-TOF mass spectrometry data analysis.
    • FPGA-based solutions can achieve high accuracy and performance, comparable to established commercial software.
    • This approach is a viable strategy for accelerating time-critical algorithms in scientific computing.