Biomedical subjects
Publications and source records attributed to D H Peterson.
A model is proposed for the evaluation of the procedures and practices taught within a chiropractic curriculum. Questions concerning definitions, methods of observation, science consistency, and pertinent research are asked of a given procedure in the form of a decision-making flow chart. Based on this analysis, a status is assigned that establishes a procedure's current understanding. Applications of the model are discussed.
We study the orbit of a highest-weight vector in an integrable highest-weight module of the group G associated to a Kac-Moody algebra [unk](A). We obtain applications to the geometric structure of the associated flag varieties and to the algebraic structure of [unk](A). In particular, we prove conjugacy theorems for Cartan and Borel subalgebras of [unk](A), so that the Cartan matrix A is an invariant of [unk](A).
We suggest a purely algebraic construction of the spin representation of an infinite-dimensional orthogonal Lie algebra (sections 1 and 2) and a corresponding group (section 4). From this we deduce a construction of all level-one highest-weight representations of orthogonal affine Lie algebras in terms of creation and annihilation operators on an infinite-dimensional Grassmann algebra (section 3). We also give a similar construction of the level-one representations of the general linear affine Lie algebra in an infinite-dimensional "wedge space." Along these lines we construct the corresponding representations of the universal central extension of the group SL(n)(k[t,t(-1)]) in spaces of sections of line bundles over infinite-dimensional homogeneous spaces (section 5).
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Sebek, Oldrich K. (The Upjohn Company, Kalamazoo, Mich.), Lester M. Reineke, and Durey H. Peterson. Intermediates in the metabolism of steroids by Penicillium lilacinum. J. Bacteriol. 83:1327-1331. 1962-Nonproliferating cells of Penicillium lilacinum (Thom) metabolized progesterone successively to 20-beta-hydroxy-4-pregnen-3-one, testosterone, androstenedione, and testololactone. Testosterone and androstenedione were readily interconvertible. 11-alpha-Hydroxyprogesterone was transformed in an analogous way and its intermediate, 11-alpha, 20-beta-dihydroxy-4-pregnen-3-one, was isolated and identified by a combination of microbiological and chemical methods.
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