electrophorus


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Related to electrophorus: Electrophorus electricus

electrophorus,

device used to generate static electric charges. It has two parts: a nonconducting plate (e.g., of hard rubber) that is negatively charged and a metal plate with an insulated handle. A positive charge is induced on the metal plate by placing it on the charged plate and then grounding the metal plate momentarily. This positive charge can then be used for experimentation. See electrostaticselectrostatics,
study of phenomena associated with charged bodies at rest (see charge; electricity). A charged body has an excess of positive or negative charges, a condition usually brought about by the transfer of electrons to or from the body.
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electrophorus

[i‚lek′trä·fə·rəs]
(electricity)
A device used to produce electric charges; it consists of a hard-rubber disk, which is negatively charged by rubbing with fur, and a metal plate, held by an insulating handle, which is placed on the disk; the plate is then touched with a grounded conductor, so that negative charge is removed and the plate has net positive charge.
References in periodicals archive ?
micropeltes in comparison of AChE from Electrophorus electricus will be then evaluated.
Among the species of fish that have been employed in this aspect, we find Pacific electric ray (Torpedo californica), eel (Electrophorus electricus), goldfish (Carassius auratus), Nile tilapia (O.
guttata, e Aetobatus narinari, e da especie de raia de agua doce Potamotrygon motoro (DELLIAS et al., 2004); DS; CS e HS do tecido muscular do bacalhau Gadus morhua e peixe lobo Anarhichas minor (TINGHO et al., 2005), DS da pele da enguia eletrica Electrophorus electricus, nativa do rio Amazonas (SOUZA et al., 2007a) e a identificacao preliminar da presenca preponderante de HS presente na pele da carpa comum, Cyprinus carpio (RODRIGUES et al., 2009b), e de DS na pela da tilapia do Nilo, Oreochromis niloticus, por Rodrigues et al.
Anostomidae Leporinus friderici Electrophoridae Electrophorus electricus Curimatidae Semaprochilodus varii Sternopygidae Sternopygus macrurus Anostomidae Leporinus fasciatus Loricariidae Pseudoancistrus barbatus Sciaenidae Pachypops furcraeus Characidae Brycon falcatus Anostomidae Leporinus lebaili (cf.
Several other electric fish (e.g., Electrophorus, Malapterusus, and Raja) have comparable organs but, for biochemical studies, these have received little attention.
Seror concluded that in large groups of persons, Phalen's test is effective; however, in individual cases, Phalen's test results must always be accompanied by electrophorus test results.
They include several types of pirana and a creature that particularly impressed Humboldt, the electric eel (electrophorus electricus).
The inhibitory effect of EOL was expected since the main compound present in this chemotype is linalool (Vale et al., 1999, 2002), which has been shown to inhibit AChE in insects (Blenau et al., 2012) and in the electric eel, Electrophorus electricus (Lopez et al., 2015).
That takeover is how electric eels (Electrophorus electricus) immobilize their prey, Kenneth Catania of Vanderbilt University in Nashville reports in the Dec.
AChE from Electrophorus electricus, BChE from equine serum and galantamine hydrobromide were purchased from Sigma (St.
AChE (EC 3.1.1.7) was purified in our laboratory from electric eel (Electrophorus electricus) as reported elsewhere (18).