acceptor


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acceptor

[ak′sep·tər]
(chemistry)
A chemical whose reaction rate with another chemical increases because the other substance undergoes another reaction.
A species that accepts electrons, protons, electron pairs, or molecules such as dyes.
(chemical engineering)
A calcined carbonate used to absorb the carbon dioxide evolved during a coal gasification process.
(solid-state physics)
An impurity element that increases the number of holes in a semiconductor crystal such as germanium or silicon; aluminum, gallium, and indium are examples. Also known as acceptor impurity; acceptor material.

acceptor

References in periodicals archive ?
The research group had been investigating a variety of organic molecules in the cyanine family and was able to chemically modify the structure of a specific acceptor already used in OPV prototypes, called subphthalocyanine (SubPC).
While this sounds straightforward, molecules within the donor and acceptor layers can mix, cluster into domains, or both, leading to variances in domain purity and size that affect the power conversion process.
The attachment of electron-donating groups to electron- acceptor compounds of the fluorene series results in intra- molecular charge transfer from the donor moiety into the acceptor fluorene ring that was manifested in the appearance of long-wavelength bands in the visible or even in the near-infra-red region of their electron absorption spectra.
Country: , AsiaSector: Business and Consumer Services, Banking/Financial ServicesTarget: Offshore Incorporations group of companiesBuyer: IK Investment Partners Vendor: The Carlyle Group LPDeal size in USD: 250m-300mType: LBOStatus: ClosedBuyer advisor: Royal Bank of Scotland Group PlcComment: Acceptor and Credence Trust to tie-up with Vistra.
Examination of the ratio of maximum (without E2) and minimum (with 10 000 nmol/L E2) energy-transfer signals in buffer and whole blood with a 15 mg/L phosphor donor was optimal when 4 nmol/L of acceptor dye was used (see Fig.
Due to a dependence on R, the separation distance between pair forming donor and Acceptor ions in real space, DAP transitions between voluntarily arranged doping sheets must reflect their mutual position.
In preliminary experiments, mouse anti-calpastatin antibodies (Mab) were conjugated to acceptor dyes (Alexa Fluor 594), while the second binding agent (calpain I) was conjugated to the donor dyes (Alexa Fluor 546).
In addition, handbill acceptors were more likely to be female, younger, and to have had secondary or tertiary education.
The workflow then triggers notification e-mails to the acceptors, certifiers, or pay officials, depending on the type of invoice.
The bacteroide thetaiotaomicron displayed growth on low-mass alternan, raffinose acceptor and Neosugar.
THERE will be a maximum of nine runners contesting the Ritz Club Ascot Chase at the Berkshire track on Saturday following the announcement of the five-day acceptors.
Analysis of the two media combined gives a proportion of 87% who are either a player or acceptor for either television or press advertising.