نتایج جستجو برای: Y.Z
تعداد نتایج: 899 فیلتر نتایج به سال:
Abstract Conditions are investigated for systems of the form Mz’ N+Az + y(z), where y is quadratic, which lield a point dissipative system. Application of the conditions are made to the problem of ezistence of linear feedback controls u Kz for systems of the form Mz’= N + A= + y(=) + Bu which force the system to be point dissipative. The basic results have eztensions to more general classes of ...
In dentistry, zirconia has been used since the early 1990s for endodontic posts, more recently for implant abutments and frameworks for fixed dental prostheses. Zirconia is biocompatible and mechanically strong enough to serve as implant material for oral implants. Although several zirconia implant systems are available, currently the scientific and clinical data for zirconia implants are not s...
Sigma receptor antagonists diminish the effects of cocaine in behavioral assays, including conditioned place preference. Previous locomotor activity experiments in mice determined that the sigma receptor ligand YZ-185 (N-phenylpropyl-N'-(3-methoxyphenethyl)piperazine) enhanced cocaine-induced hyperactivity at a lower (0.1 μ mol/kg) dose and dose-dependently attenuated cocaine-induced hyperacti...
In oxygen-evolving photosystem II (PSII), a tyrosine residue, D1Tyr161 (YZ), serves as the intermediate electron carrier between the catalytic Mn cluster and the photochemically active chlorophyll moiety P680. A more direct catalytic role of YZ, as a hydrogen abstractor from bound water, has been postulated. That YZox appears as a neutral (i.e. deprotonated) radical, YZ*, in EPR studies is comp...
Objectives. In traditional Chinese medicine, Yu-Zhi (YZ, indicating stasis and stagnation) constitution describes a body that tends to express abnormal circulatory conditions. This study identified the linkage between YZ constitution and peripheral arterial disease (PAD) in patients with type 2 diabetes. Methods. Patients over 20 years of age who had had type 2 diabetes for 5 years or longer we...
The rate of hatching of Heterodera schachtii larvae was greatly increased by placing cysts in sieves enclosed by small disposable cups. An apparatus that permitted rapid storage of second-stage larvae at 10 C prolonged the viability of the larvae.
*Department of Neurology of Faculty of Medical Sciences of State University of Campinas (UNICAMP), Campinas, SP, Brazil; yASPE (Assistência à Saúde de Pacientes com Epilepsia), Campinas, SP, Brazil; zCInAPCe Program (Cooperação Interinstitucional de Apoio à Pesquisas sobre o Cérebro), São Paulo State, Brazil; and xDepartment of Social and Preventive Medicine of Medical Sciences of State Univers...
Electron spin echo electron-nuclear double resonance (ESE-ENDOR) experiments performed on a broad radical electron paramagnetic resonance (EPR) signal observed in photosystem II particles depleted of Ca2+ indicate that this signal arises from the redox-active tyrosine YZ. The tyrosine EPR signal width is increased relative to that observed in a manganese-depleted preparation due to a magnetic i...
We quantified the formed elements of urine sediment using newly designed plastic centrifuge tubes with top and bottom openings and a 0.5 ml sized bottom ball (YZ tube). This design minimizes the adherence of formed elements that occurs on the glass surface of conventional tubes. The numbers of white blood cells (WBC) and red blood cells (RBC) using glass tubes did not differ from those observed...
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