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We report on a study of the invariant mass spectrum of the hadronic system in the decay τ − → π − π 0 ν τ. This study was performed with data obtained with the CLEO II detector operating at the CESR e + e − collider. We present fits to phenomenological models in which resonance parameters associated with the ρ(770) and ρ(1450) mesons are determined. The π −(More)
The effect of blood volume on the osmotic control of the antidiuretic hormone, arginine vasopressin (AVP), has been studied in 18 healthy young adults. Changes in blood osmolality and/or volume were produced by each of 3 procedures--fluid deprivation, orthostasis, and hypertonic saline infusion--and the resultant changes in plasma AVP were measured by(More)
A radioimmunoassay has been developed that permits reliable measurements of plasma arginine vasopressin (AVP) at concentrations as low as 0.5 pg/ml in sample volumes of 1 ml or less. Nonhormonal immunoreactivity associated with the plasma proteins is eliminated by acetone precipitation before assay, leaving unaltered a component that is immunologically and(More)
Invasive growth requires degradation of extracellular matrix. Altered expression of matrix degrading enzymes may indicate an increased potential for invasive growth. We determined the expression patterns of matrix-metalloproteinases (MMP)-1, -2, and -3 and of the tissue inhibitors of metalloproteinases (TIMP)-1 and -2 by in situ hybridization with(More)
Using data collected at the psi(3770) resonance with the CLEO-c detector at the Cornell e+e- storage ring, we present improved measurements of the absolute branching fractions of D+decays to K0e+ve, pi0e+ve, K*0e+ve, and p0e+ve, and the first observation and absolute branching fraction measurement of D+ --> omega e+ve. We also report the most precise tests(More)