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Fluorescence and Phosphorescence: Instrumentation

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Fluorometers and spectrofluorometers are two types of instruments used for measuring molecular fluorescence. These instruments differ in how they select excitation and emission wavelengths and the type of light sources they utilize. Fluorometers use absorption interference filters to choose excitation and emission wavelengths. The excitation source in a fluorometer is typically a low-pressure mercury vapor lamp that emits intense lines distributed throughout the ultraviolet and visible regions.

Phosphorylation

Phosphorylation

The addition or removal of phosphate groups from proteins is the most common chemical modification that regulates cellular processes. These modifications can affect the structure, activity, stability, and localization of proteins within cells as well as their interactions with other proteins.
During phosphorylation, protein kinases transfer the terminal phosphate group of ATP to specific amino acid side chains of substrate proteins. Serine, threonine, and tyrosine are the most commonly...

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Updated: Apr 15, 2026

A Mass Spectrometry-Based Approach to Identify Phosphoprotein Phosphatases and their Interactors

A Mass Spectrometry-Based Approach to Identify Phosphoprotein Phosphatases and their Interactors

Published on: April 29, 2022

Phosphor informatics based on confirmatory factor analysis.

Woon Bae Park¹, Satendra Pal Singh¹, Minseuk Kim¹

¹Faculty of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul 143-747, Korea.

ACS Combinatorial Science

|April 9, 2015

Summary

This summary is machine-generated.

Data mining of experimental phosphor luminescence data, using confirmatory factor analysis (CFA), offers new insights into structural and luminescent properties of LED phosphors.

Keywords:

combinatorial materials search confirmatory factor analysis data mining light emitting diode materials genome materials informatics phosphor principal component analysis solid-state lighting structural equation modeling

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An Optimized Single-Molecule Pull-Down Assay for Quantification of Protein Phosphorylation

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Area of Science:

Materials Science
Solid-State Chemistry
Luminescence

Background:

The theoretical understanding of phosphor luminescence remains incomplete.
Data mining of experimental data is crucial for a comprehensive understanding, complementing theoretical approaches.

Purpose of the Study:

To enhance the understanding of structure-property relationships in Eu(2+)-doped phosphors for LED applications.
To apply data mining techniques, specifically Confirmatory Factor Analysis (CFA), to phosphor materials.

Main Methods:

Collected crystallographic and luminescence data for 75 Eu(2+)-doped phosphors with single Wyckoff sites.
Extracted 32 descriptors from the collected data.
Employed Confirmatory Factor Analysis (CFA) based on Structural Equation Modeling (SEM).

Main Results:

Successfully applied CFA to phosphor materials data mining for the first time.
Achieved a deeper understanding of structural and luminescent-property relationships in LED phosphors.
Demonstrated the utility of CFA in analyzing complex material properties.

Conclusions:

Data mining via CFA provides valuable insights into phosphor luminescence, augmenting traditional theoretical methods.
This approach offers a more comprehensive understanding of LED phosphor performance.
Future research can leverage CFA for materials discovery and optimization.