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A neutral atom consists of a positively charged nucleus surrounded by a negatively charged electron cloud. When placed in an external electric field, the external electric force pulls the electrons and nucleus apart, opposite to the intrinsic attraction between the nucleus and the electrons. The opposing forces balance each other with a slight shift between the center of masses of the nucleus and the electron cloud, resulting in a polarized atom. On the other hand, a few molecules, like water,...

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Related Experiment Video

Updated: Jun 21, 2026

Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals

Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals

Published on: August 15, 2018

Shape meets polarity in Japan.

Bob Goldstein¹, Hiroshi Hamada

¹Department of Biology, University of North Carolina, Chapel Hill, Chapel Hill, NC 27599, USA. bobg@unc.edu

Development (Cambridge, England)

|July 14, 2009

Summary

Cell polarity is crucial for development. This symposium highlighted recent advances in understanding how cell polarization mechanisms and functions shape developmental processes.

Area of Science:

Developmental Biology
Cell Biology

Background:

Cell polarity is fundamental to cellular organization and function.
Understanding the mechanisms and developmental roles of cell polarity is a key area in biology.

Framework:

The symposium 'Shape and Polarity' convened experts in cell polarity.
The event focused on recent advancements in cell polarization mechanisms.
Discussions covered the functional significance of cell polarity in development.

Implementation:

The RIKEN Center for Developmental Biology hosted the symposium.
The program featured presentations on cutting-edge research.
Organizers included Masatoshi Takeichi, Fumio Matsuzaki, Hitoshi Sawa, and Carl-Philipp Heisenberg.

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Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone

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Published on: February 23, 2017

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Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals

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Self-Assembly of Hybrid Lipid Membranes Doped with Hydrophobic Organic Molecules at the Water/Air Interface

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Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone

Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone

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Implications:

Advances in understanding cell polarity offer insights into developmental processes.
Knowledge of cell polarity mechanisms can inform future research in developmental biology.
The symposium fostered collaboration and knowledge exchange among researchers.