Magnetic Bottle
Magnetic Bottle - Related Videos
10:04
Magnetic Fields
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2023
Source: Yong P. Chen, PhD, Department of Physics & Astronomy, College of Science, Purdue University, West Lafayette, IN Magnetic fields can be generated by moving charges, such as an electrical current. The magnetic field generated by a current can be calculated from the Maxwell equation. In addition, magnetic objects such as bar magnets can also generate magnetic fields due to microscopic dynamics of charges inside the material. Magnetic fields will exert magnetic force on other moving...
03:02
Colors and Magnetism
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2020
Color in Coordination Complexes When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human eye.
10:04
The Method of Rodent Whole Embryo Culture using the Rotator-type Bottle Culture System
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Cited by 21 •
2010
Whole embryo culture technique allows us to culture mouse and rat embryos ex vivo condition during limited periods corresponding to midgestation stages. In this video protocol, we demonstrate our standard procedures of rat whole embryo culture after E12.5 using the rotator-type bottle culture system.
07:31
Murine Drinking Models in the Development of Pharmacotherapies for Alcoholism: Drinking in the Dark and Two-bottle Choice
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Cited by 22 •
2019
Alcohol Use Disorder (AUD) is a major national health problem and the development of more effective treatments is required to offset the needs of this patient population. To this end, the following protocol utilizes two simple rodent drinking models to assess the preclinical efficacy of lead anti-alcohol compounds.
07:22
Generating Homo- and Heterografts Between Watermelon and Bottle Gourd for the Study of Cold-responsive MicroRNAs
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Cited by 6 •
2018
Here we present a detailed protocol for efficiently making homo- and heterografts between watermelon and bottle gourd, in addition to methods of tissue sampling, data generation, and data analysis, for the investigation of cold-responsive microRNAs.
FAQs
The key mechanism is the magnetic mirror force created by a field that strengthens toward each end. As a charged particle travels into one of these stronger-field regions, that force reverses its motion along the field direction. The particle therefore remains associated with the central region, allowing researchers to examine confined plasma or particle behavior.
Confinement does not stop all particle motion. A trapped particle continues spiraling around magnetic field lines while its parallel motion changes direction near an end. This distinction matters because the bottle controls motion along the field without eliminating motion around it, giving experiments a way to study charged-particle trajectories in a structured magnetic field.
Particle drift and imperfect confinement are important limitations because they can lead to particle loss even when the end fields reverse parallel motion. When evaluating a magnetic bottle, researchers therefore consider not only whether particles are reflected, but also whether they remain in the intended region. These observations motivate designs for more effective magnetic-confinement systems.
A conceptual investigation begins with a weaker central magnetic-field region bounded by stronger fields at both ends. Researchers then examine how charged particles move through that configuration, focusing on spiraling around field lines and reversal of parallel motion near the ends. Comparing these behaviors with particle loss helps assess how effectively the arrangement confines motion.
Researchers use magnetic bottles to investigate plasma confinement and charged-particle motion under controlled magnetic-field conditions. The configuration also provides a foundation for studying fusion concepts, where understanding how particles remain in a region is important. Its use extends to general investigations of energetic particles, making it relevant beyond a single experimental application.
The configuration offers a framework for examining how energetic charged particles behave when magnetic-field strength varies across a region. Researchers can study their spiraling motion, reversal near stronger fields, and possible loss from imperfect confinement. These observations connect laboratory investigations with broader questions about particle motion in space and the design of confinement systems.