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 ?
If the cellular chain complexes of [SIGMA] and [PSI] are algebraically dual (for example, if [SIGMA] and [PSI] are Poincare dual cell structures on a compact orientable d-manifold), then [K.
Ten papers discuss L-complete Hopf algebroids and their comodules; the lattice path operad and Hochschild cochains; open-closed field theories, string topology, and Hochschild homology; cellular covers of divisible abelian groups; geometric properties of the Witten genus; localization and cellularization of principal fibrations; operadic cobra constructions, cylinder objects, and homotopy morphisms of algebras over operads; involutions on the rational K-theory of group rings of finite groups; localization; and divided power structures and chain complexes.
Other respiratory chain complexes were unaffected in the presence of these surfactants at 10 [micro]mol/L; however, a marked decrease in complex I-dependent oxygen consumption was evident (Table 1).
The methods depend upon inhibiting invariant chain proteolysis by cathepsin S from class II MHC/invariant chain complexes, thereby reducing the competency of class II MHC molecules for binding antigenic peptides, reducing presentation of antigenic peptides by class II MHC molecules, and suppressing immune responses.
The aim of the study was to investigate the impact of high-volume CVVH on myocardial mitochondrial respiratory chain complexes activity in peritonitis-induced septic shock.
Roman numerals identify the respiratory chain complexes that are deficient.
TABLE 1 THE RESPIRATORY CHAIN COMPLEXES Each complex is made up of multiple proteins.
The map sending [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] induces isomorphisms of chain complexes
CLA encompasses a broad group of inherited disorders of energy metabolism caused by defects of mitochondrial enzymes, including PDH and the respiratory chain complexes.
The mitochondrial respiratory chain complexes (RCCs) [5] coenzyme Q, and cytochrome c catalyze energy transduction from respiratory substrates to a proton motive gradient for the synthesis of ATP.
Measured enzymatic activities of the respiratory chain complexes that contained mtDNA-encoded subunits (complexes I, III, and IV) were severely decreased in muscle and liver biopsies.
We report here the identification of multimeric [lambda] light chain complexes presenting as a large serum M-spike composed entirely of monoclonal FLCs without heavy chain in a patient with MM.