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Contingent Negative Variation definition: A negative shift of the cortical electrical potentials that increases over time. It is associated with an anticipated response to an expected stimulus and is an electrical event indicative of a state of readiness or expectancy.
Observer Variation definition: The failure by the observer to measure or identify a phenomenon accurately, which results in an error. Sources for this may be due to the observer's missing an abnormality, or to faulty technique resulting in incorrect test measurement, or to misinterpretation of the data. Two varieties are inter-observer variation (the amount observers vary from one another when reporting on the same material) and intra-observer variation (the amount one observer varies between observations when reporting more than once on the same material).
Genomic Structural Variation definition: Contiguous large-scale (1000-400,000 basepairs) differences in the genomic DNA between individuals, due to SEQUENCE DELETION; SEQUENCE INSERTION; or SEQUENCE INVERSION.
DNA Copy Number Variations definition: Stretches of genomic DNA that exist in different multiples between individuals. Many copy number variations have been associated with susceptibility or resistance to disease.

A tale of histone modifications

Patrick A Grant

Genome Biology , 2001

Death, autoantigen modifications, and tolerance

Paul J Utz, et al.

Arthritis Research , 2000

The RESID Database of protein structure modifications.

J S Garavelli

Nucleic Acids Research , 01 Jan 1999

Tolerance for mutations and chemical modifications in a siRNA

Mohammed Amarzguioui et al.

Nucleic Acids Research , 15 Jan 2003

Protein Thiol Modifications Visualized In Vivo

Lars I Leichert et al.

PLoS Biology , 01 Nov 2004

Modifications of guanine bases during oligonucleotide synthesis.

A T Yeung et al.

Nucleic Acids Research , 25 May 1988

The RESID Database of Protein Modifications: 2003 developments

John S. Garavelli

Nucleic Acids Research , 01 Jan 2003

The RESID Database of protein structure modifications: 2000 update

John S. Garavelli

Nucleic Acids Research , 01 Jan 2000

Single-Nucleosome Mapping of Histone Modifications in S. cerevisiae

Chih Long Liu et al.

PLoS Biology , 01 Oct 2005

The tale beyond the tail: histone core domain modifications and the regulation of chromatin structure

Erica L. Mersfelder et al.

Nucleic Acids Research , 2006

1154 further publications >>