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BACKGROUND This report describes a closed-loop titration of propofol target control infusion based on a proportional-differential algorithm guided by the Bispectral Index (BIS) allowing induction and maintenance of general anesthesia and compares this to manual propofol target control infusion. METHODS One hundred sixty-four patients scheduled to undergo(More)
Human immunodeficiency virus (HIV-1) enters cells following sequential activation of the high-potential-energy viral envelope glycoprotein trimer by target cell CD4 and coreceptor. HIV-1 variants differ in their requirements for CD4; viruses that can infect coreceptor-expressing cells that lack CD4 have been generated in the laboratory. These(More)
Envelope glycoprotein (Env) reactivity (ER) describes the propensity of human immunodeficiency virus type 1 (HIV-1) Env to change conformation from the metastable unliganded state in response to the binding of ligands (antibodies and soluble CD4 [sCD4]) or incubation in the cold. To investigate Env properties that favor in vivo persistence, we inoculated(More)
Efforts to prevent human immunodeficiency virus type 1 (HIV-1) infection would benefit from understanding the factors that govern virus neutralization by antibodies. We present a mechanistic model for HIV-1 neutralization that includes both virus and antibody parameters. Variations in epitope integrity on the viral envelope glycoprotein (Env) trimer and Env(More)
The goal of this study was to analyze the mortality data following neck dissection and determine the risk factors of early death. The hospital mortality records were analyzed from 3,015 consecutive patients who underwent neck dissection. A case control study analyzed risk factors of death during the first 3 postoperative days. The mortality incidences were(More)
Based on amino-acid sequence homology, it is predicted that ribosomal protein L14 is a member of a recently identified family of structurally related RNA-binding proteins. To verify this, the gene for Bacillus stearothermophilus L14 has been cloned, and the protein has been purified and crystallized. The crystals are in space group C2 with cell dimensions a(More)
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