rearrangement reaction

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rearrangement reaction

[‚rē·ə′rānj·mənt rē‚ak·shən]
(nuclear physics)
A nuclear reaction in which nucleons are exchanged between nuclei.
(organic chemistry)
A chemical reaction involving a change in the bonding sequence within a molecule. Also known as molecular rearrangement.
References in periodicals archive ?
The presence of rearrangements involving the PPARG gene, PAX8/PPARG and less frequently CREB3L2/PPARG, correlates with ~95% risk of cancer, most frequently follicular variant of papillary carcinoma, followed in frequency by follicular carcinoma.
Carbocations often quickly rearrange before proceeding with a reaction and some rearrangements are slower than others.
As shown in Scheme-1, the new products were isolated and respectively determined as ring-opening product 2a, rearrangement product 3a and denitrosylation product 4a.
The mother of the male patient had the same balanced chromosome rearrangement, while his sister had an unbalanced form of this translocation with only derivative 5 and derivative 12 present, and not derivative 8, resulting in mental retardation.
Clonality analysis was performed using amplification on three frame woke of IGH (VH FR1-Jh, Vh FR2-Jh, and VH FR3-JH) gene rearrangements using the multiplex PCR protocols suggested by BIOMED-2 [14].
The ambiguity of mapping such sequences to the genome suggests that this putative structural rearrangement is due to alignment artifacts.
The rearrangement procedure was proposed to cope with this problem by rearranging the response patterns and re-estimating examinees' ability after answers were changed.
These rearrangements will then be a template to act as a fingerprint for that individual cancer.
Once the cell's anticancer defenses are destroyed, genetic chaos ensues, with further mutations and wholesale rearrangements of DNA in the chromosomes.
We were, frankly, astounded at the number and complexity of rearrangements in some cancers.
And those fixtures include tough home tests against Leicester and Leeds and, following this week's rearrangement, gruelling back-toback visits to Hartlepool and Carlisle on February 7 and 10.
Some studies have reported an increased risk of aneuploidy for chromosomes not involved in the rearrangement (interchromosomal effect) among male carriers of a translocation (9-11).