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Articles 2911 - 2912 of 2912

Full-Text Articles in Social and Behavioral Sciences

Representations Of Crossed Products By Coactions And Principal Bundles, M B. Landstad, J Phillips, Iain Raeburn, C E. Sutherland Jan 1987

Representations Of Crossed Products By Coactions And Principal Bundles, M B. Landstad, J Phillips, Iain Raeburn, C E. Sutherland

Faculty of Engineering and Information Sciences - Papers: Part A

The main purpose of this paper is to establish a covariant representation theory for coactions of locally compact groups on C*-algebras (including a notion of exterior equivalence), to show how these results extend the usual notions for actions of groups on C*-algebras, and to apply these ideas to classes of coactions termed pointwise unitary and locally unitary to obtain a complete realization of the isomorphism theory of locally trivial principal G-bundles in this context. We are also able to obtain all (Cartan) principal G-bundles in this context, but their isomorphism theory remains elusive.


Immunofluorescence Detection Of Cryptosporidium Oocysts In Fecal Smears, Henry H. Stibbs, Jerry E. Ongerth Jan 1986

Immunofluorescence Detection Of Cryptosporidium Oocysts In Fecal Smears, Henry H. Stibbs, Jerry E. Ongerth

Faculty of Engineering and Information Sciences - Papers: Part A

An indirect fluorescent antibody (IFA) procedure was developed for the detection of Cryptosporidium sp. oocysts in human, nonhuman primate, and bovine fecal smears. The procedure, which takes about 90 min to perform, involves the use of a rabbit antiserum against Cryptosporidium oocysts isolated from dairy cattle. Cross-specificity testing of the IFA method revealed no reactivity with yeasts, various amoebae, Giardia lamblia, Chilomastix sp., or Blastocystis sp. and only very weak cross-reactivity with coccidian oocysts of other genera. IFA detection of oocysts in human and nonhuman primate fecal smears was far more sensitive than was dimethyl sulfoxide-carbolfuchsin staining. Moreover, IFA detection ...