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Ion trapping. In cell biology, ion trapping is the build-up of a higher concentration of a chemical across a cell membrane due to the pKa value of the chemical and difference of pH across the cell membrane. [1] [2] This results in basic chemicals accumulating in acidic bodily fluids such as the cytosol, and acidic chemicals accumulating in ...
Charge trap flash ( CTF) is a semiconductor memory technology used in creating non-volatile NOR and NAND flash memory. It is a type of floating-gate MOSFET memory technology, but differs from the conventional floating-gate technology in that it uses a silicon nitride film to store electrons rather than the doped polycrystalline silicon typical ...
An ion trap, used for precision measurements of radium ions, inside a vacuum chamber. View ports surrounding the chamber allow laser light to be directed into the trap. An ion trap is a combination of electric and/or magnetic fields used to capture charged particles — known as ions — often in a system isolated from an external environment.
Picture 1 and 2 show two states during an AC cycle. In experimental physics, a quadrupole ion trap or paul trap is a type of ion trap that uses dynamic electric fields to trap charged particles. They are also called radio frequency (RF) traps or Paul traps in honor of Wolfgang Paul, who invented the device [1] [2] and shared the Nobel Prize in ...
Collision-induced dissociation ( CID ), also known as collisionally activated dissociation ( CAD ), is a mass spectrometry technique to induce fragmentation of selected ions in the gas phase. [1] [2] The selected ions (typically molecular ions or protonated molecules) are usually accelerated by applying an electrical potential to increase the ...
The thin line represents the electric potential along the axis. Electron beam ion trap ( EBIT) is an electromagnetic bottle that produces and confines highly charged ions. An EBIT uses an electron beam focused with a powerful magnetic field to ionize atoms to high charge states by successive electron impact.
We found many reviewers sharing how easy this fly trap is to set up, use, and clean. Plus it's quiet, so you're continuously catching bugs and don't even realize it. "It doesn't make any noise and ...
A trapped-ion quantum computer is one proposed approach to a large-scale quantum computer. Ions, or charged atomic particles, can be confined and suspended in free space using electromagnetic fields. Qubits are stored in stable electronic states of each ion, and quantum information can be transferred through the collective quantized motion of ...