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Updated: Mar 15, 2026

Atomic Absorbance Spectroscopy to Measure Intracellular Zinc Pools in Mammalian Cells

Atomic Absorbance Spectroscopy to Measure Intracellular Zinc Pools in Mammalian Cells

Published on: May 16, 2019

Techniques for measuring cellular zinc.

Margaret C Carpenter¹, Maria N Lo¹, Amy E Palmer¹

¹Department of Chemistry and Biochemistry and BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80303, United States.

Archives of Biochemistry and Biophysics

|September 2, 2016

Summary

This summary is machine-generated.

New fluorescent sensors and imaging techniques enhance understanding of zinc (Zn²⁺) in cells. Critical assessment of these tools is vital for advancing zinc biology research.

Keywords:

Cells Elemental analysis Fluorescent sensors Genetically encoded sensors Imaging Zinc

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Last Updated: Mar 15, 2026

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Area of Science:

Biochemistry
Cell Biology
Bioimaging

Background:

Zinc (Zn²⁺) is a biologically essential ion, crucial for numerous cellular processes.
Advancements in fluorescent sensors and imaging techniques have significantly improved the study of Zn²⁺ dynamics.
Understanding the distribution and dynamics of intracellular labile Zn²⁺ is key to unlocking complex biological questions.

Purpose of the Study:

To review newly engineered Zn²⁺ sensors and their applications.
To discuss methods for validating sensor access to labile Zn²⁺.
To highlight challenges and complementary techniques in Zn²⁺ research.

Main Methods:

Development and application of novel fluorescent Zn²⁺ sensors.
Real-time live-cell imaging of Zn²⁺.
Elemental mapping techniques, including mass spectrometry and X-ray fluorescence.
Validation methods to confirm sensor interaction with labile Zn²⁺.

Main Results:

Engineered sensors provide new insights into intracellular labile Zn²⁺ pools.
Elemental mapping offers sensitive, spatially resolved data on metal distribution.
Studies reveal challenges associated with current Zn²⁺ sensor technology.

Conclusions:

Fluorescent sensors and elemental mapping are powerful tools for studying Zn²⁺ biology.
Critical evaluation of existing tools is necessary for future advancements.
Zn²⁺ research impacts diverse biological fields, from development to disease.