| ¿µ¹® | electroencephalogram, EEG | ÇÑ±Û | ³úÆÄµµ |
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| DEEG | depth electroencephalogram, depth electroencephalography |
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| EEG | electroencephalogram, electroencephalography |
| ECG | Electro-Cardio-Graphy(-Gram); ½ÉÀüµµ = EKG 1. Conducting System Structu... |
| IEF | International Eye Foundation; isoelectric focusing |
| IEI | isoelectric interval |
| QEEG | Quantitative electroencephalogram |
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| CIEF | Capillary isoelectric focusing |
| IF | Isoelectric focusing |
| PAGIEF | Polyacrylamide gel isoelectric focusing |
| I.E.P. | isoelectric point |
| electroencephalogram | <investigation> A diagnostic test which measures the electrical activity of the brain (brain waves) using high sensitive recording equipment attached to the scalp by fine electrodes. Commonly employed in the evaluation of neurological disease (for example seizures, epilepsy, etc.). Acronym: EEG (13 Nov 1997) |
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| isoelectric | Of equal electrical potential. Compare: isoelectric point. Synonym: isopotential. Isoelectric focusing, electrophoresis of small molecules or macromolecules in a pH gradient. (05 Mar 2000) |
| isoelectric focusing | <technique> Electrophoresis in a stabilised pH gradient. High resolution method for separating molecules, especially proteins, that carry both positive and negative charges. Molecules migrate to the pH corresponding to their isoelectric point. The gradient is produced by electrophoresis of amphiphiles, heterogenous molecules giving a continuum of isoelectric points. Resolution is determined by the number of amphiphile species and the evenness of distribution of their isoelectric points. (18 Nov 1997) |
| isoelectric line | The baseline of the electrocardiogram. (05 Mar 2000) |
| isoelectric period | The period occurring in the electrocardiogram between the end of the S wave and the beginning of the T wave during which electrical forces are acting in directions such as to neutralise each other so that there is no difference in potential under the two electrodes. (05 Mar 2000) |
| isoelectric point | <biochemistry> The pH at which a protein carries no net charge. Below the isoelectric point proteins carry a net positive charge, above it a net negative charge. Due to a preponderance of weakly acid residues in almost all proteins, they are nearly all negatively charged at neutral pH. The isoelectric point is of significance in protein purification because it is the pH at which solubility is often minimal and at which mobility in an electrofocusing system is zero (and therefore the point at which the protein will accumulate). (18 Nov 1997) |
| isoelectric zone | The range of H-ion concentration (pH) over which isoelectric precipitation occurs. (05 Mar 2000) |
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