chain complex


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chain complex

[′chān ‚käm‚pleks]
(mathematics)
A sequence {Cn }, -∞ <>n < ∞,="" of="" abelian="" groups="" together="" with="" a="" sequence="" of="" boundary="" homomorphisms="">dn : CnCn-1such that dn-1° dn = 0 for each n.
References in periodicals archive ?
The increased distribution and transportation of food products makes their supply chain complex, which requires high usage of food additives, thus further increasing the trade for food additives.
As the fourth largest food importer in the world, Japan imports 60% of its locally-consumed food, making management of the domestic food chain complex.
Since [summation](B) is acyclic, its augmented chain complex becomes an acyclic chain complex of kB-modules, which turn out to be projective.
Mitochondrial respiratory chain complex I, II, III, IV and V located in the mitochondria inner membrane generated most of the cell's ATP.
The major finding of this study is that high-volume CVVH improves myocardial mitochondrial respiratory-chain complexes activity, such as higher activity of respiratory chain complex I in peritonitis-induced septic shock.
This study assessed the protective effect of bilberry in view of mitochondrial function, ROS generation, mitochondrial membrane potential and respiratory chain complex activity in restraint stress induced liver damage.
Evaluation of enzymatic assays and compounds affecting ATP production in mitochondrial respiratory chain complex I deficiency.
Such geographical expansion of business partners will make their supply chain complex and as a result, increase the need for supply chain management solutions.
Shana McCormack et al, "Pharmacologic targeting of sirtuins and PPAR signaling improves longevity and mitochondrial physiology in respiratory chain complex I mutant Caenorhabditis elegans," Mitochondrion, published online March 3, 2015 and in May 2015 print issue.
2] of the real projective plane, whose cellular chain complex is
According to the Walker criteria, a diagnosis of mitochondrial disorder is made when the activity of a specific enzyme/respiratory chain complex is <30% in 1 cell line, <20% in 1 tissue, or <30% for the same enzyme/respiratory chain complex in 2 or more tissues (8).
The combination of complex product configurations, a rapidly growing installed base, and increasing customer support requirements made BlueArc's service supply chain complex and dispersed.