Photizo

Photizo analyzes Fourier transform infrared (FTIR) spectroscopy data to enable cross-sample preprocessing, visualization, multivariate analysis, clustering, and macromolecular quantification for chemical characterization and histological profiling.


Key Features:

  • High-Throughput Data Pre-processing: Implements scalable preprocessing for large Fourier transform infrared (FTIR) spectral datasets.
  • Versatile Visualization Tools: Provides visualization for spatially resolved and non-spatial FTIR spectral data.
  • Principal Component Analysis (PCA): Performs PCA for dimensionality reduction and pattern identification in spectral datasets.
  • Clustering: Applies clustering algorithms to group similar spectra and identify distinct chemical or biological features.
  • Macromolecular Quantification and Mapping: Quantifies macromolecules and generates spatial maps for histological profiling.
  • Flexibility Across Data Types: Supports non-spatial spectra and spatial datasets from scanning-mode IR microspectroscopy and focal plane array detector-based IR imaging.

Scientific Applications:

  • Chemical Characterization: Enables identification and comparison of biochemical signatures across samples using FTIR spectra.
  • Histological Profiling: Produces macromolecular maps to support tissue-level histological analyses.
  • Tissue Imaging: Facilitates analysis of spatially resolved IR imaging datasets for tissue composition studies.
  • Biochemical Studies: Supports high-throughput spectral analyses for basic biochemical and molecular investigations.

Methodology:

Implemented in Python, Photizo applies computational algorithms for data pre-processing, visualization, principal component analysis, clustering, and macromolecular quantification and mapping of FTIR spectroscopy datasets.

Topics

Details

License:
Not licensed
Cost:
Free of charge
Tool Type:
library
Operating Systems:
Mac, Linux, Windows
Programming Languages:
Python
Added:
1/18/2023
Last Updated:
11/24/2024

Operations

Data Inputs & Outputs

Publications

Grant-Peters M, Rich-Griffin C, Grant-Peters JE, Cinque G, Dendrou CA. Photizo: an open-source library for cross-sample analysis of FTIR spectroscopy data. Bioinformatics. 2022;38(13):3490-3492. doi:10.1093/bioinformatics/btac346. PMID:35608303. PMCID:PMC9237726.

PMID: 35608303
PMCID: PMC9237726
Funding: - Wellcome Trust and Royal Society: 204290/Z/16/Z

Documentation