Intracellular Elemental Content
Intracellular Elemental Content - Related Videos
15:28
A Microscopic Phenotypic Assay for the Quantification of Intracellular Mycobacteria Adapted for High-throughput/High-content Screening
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Cited by 30 •
2014
Here, we describe a phenotypic assay applicable to the High-throughput/High-content screens of small-interfering synthetic RNA (siRNA), chemical compound, and Mycobacterium tuberculosis mutant libraries. This method relies on the detection of fluorescently labeled Mycobacterium tuberculosis within fluorescently labeled host cell using automated confocal microscopy.
04:00
Periodic Classification of the Elements
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2020
The periodic table arranges atoms based on increasing atomic number so that elements with the same chemical properties recur periodically. When their electron configurations are added to the table, a periodic recurrence of similar electron configurations in the outer shells of these elements is observed. Because they are in the outer shells of an atom, valence electrons play the most important role in chemical reactions. The outer electrons have the highest energy of the electrons in an atom...
02:54
Classification of Elements and Compounds
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2020
Pure substances consist of only one type of matter. A pure substance can be an element or a compound. An element consists of only one type of atom, while a compound consists of two or more types of atoms held together by a chemical bond. Elements are classified as atomic or molecular based on the nature of their basic units. Compounds are pure substances composed of two or more elements in fixed, definite proportions. Compounds are classified as ionic or molecular (covalent) based on the bonds...
15:04
A Neuronal and Astrocyte Co-Culture Assay for High Content Analysis of Neurotoxicity
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Cited by 46 •
2009
This article describes a novel protocol and reagent set designed for sensitive measurement of neurotoxic effects of compounds and treatments on co-cultures of neurons and astrocytes using high content analysis. Results demonstrate that high content analysis represents an exciting novel technology for neurotoxicity assessment.
02:31
Elements: Chemical Symbols and Isotopes
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2020
A chemical symbol is an abbreviation used to indicate an element or an atom of an element. For example, the symbol for mercury is Hg. The same symbol is used to indicate one atom of mercury (microscopic domain) or to label a container of many atoms of the element mercury (macroscopic domain). Some symbols are derived from the common English name of the element; others are abbreviations of the name in another language — Latin, Greek or German. For example, the symbol for aluminum (common name)...
FAQs
Location can distinguish a broadly distributed element from one concentrated in a particular cell or subcellular region. That distinction helps connect elemental measurements with cellular structure, signaling, and metabolism rather than treating abundance as a single whole-cell value. In neuroscience, localized patterns can clarify how elemental regulation relates to neuronal activity and intracellular processes.
Elemental abundance can be translated into element-specific signals that analytical instruments detect as fluorescence, X-ray, or mass-based signatures. Each approach provides a way to identify and quantify chemical elements in individual cells or selected subcellular regions. The resulting signals support comparisons of elemental identity, concentration, and location across biological samples.
A multi-element profile captures different aspects of neuronal physiology. Calcium relates to excitability and neurotransmission, while iron, zinc, copper, sodium, potassium, and magnesium contribute information about signaling, energy use, or oxidative balance. Examining these elements together provides broader context for interpreting cellular regulation than focusing on one elemental measurement in isolation.
Cell-level and subcellular measurements preserve biological variation that can be hidden when elemental content is considered only across a larger sample. They allow researchers to associate specific elemental patterns with cellular structure or localized processes. In neuroscience, this resolution supports more precise analysis of how neurons regulate activity, metabolism, and intracellular balance.
A study first identifies the cells or subcellular regions of interest, then measures element-specific fluorescence, X-ray, or mass-based signals. Researchers use those signals to determine which elements are present, estimate their concentrations, and examine their spatial distribution. The resulting maps or measurements can then be interpreted in relation to neuronal function, metabolism, or cellular stress.
It is useful when researchers need to connect elemental imbalance with brain function or disease-related changes. Measurements can characterize normal regulation of neuronal excitability, neurotransmission, energy use, and oxidative balance, or compare those patterns with neurodevelopmental disorders, neurodegeneration, and cellular toxicity. Such comparisons can help identify disease mechanisms and potential therapeutic targets.