42 research outputs found

    Terahertz magneto-transport measurements in underdoped PCCO and comparison with ARPES

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    We present magneto-transport measurements performed on underdoped PCCO at THz frequencies as a function of temperature and doping. A rapidly decreasing Hall mass is observed as the doping is reduced consistent with the formation of small electron Fermi pockets. However, both dc and infrared (IR) magneto-transport data strongly deviate from the predictions of transport theory in the relaxation time approximation (RTA) based on angular resolved photoemission data. The Hall mass is observed to increase continuously with increasing temperature with no signature at the Neel temperature. In the paramagnetic state, the temperature dependence of the Hall mass is consistent with current vertex corrections to the Hall conductivity due to magnetic fluctuations as observed in overdoped PCCO. Possible causal mechanisms for the discrepancy between transport theory within the RTA and the magneto-transport data are discussed.Comment: 7 pages, 2 figures, 1 tabl

    The Initial Common Pathway of Inflammation, Disease, and Sudden Death

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    In reviewing the literature pertaining to interfacial water, colloidal stability, and cell membrane function, we are led to propose that a cascade of events that begins with acute exogenous surfactant-induced interfacial water stress can explain the etiology of sudden death syndrome (SDS), as well as many other diseases associated with modern times. A systemic lowering of serum zeta potential mediated by exogenous cationic surfactant administration is the common underlying pathophysiology. The cascade leads to subsequent inflammation, serum sickness, thrombohemorrhagic phenomena, colloidal instability, and ultimately even death. We propose that a sufficient precondition for sudden death is lowered bioavailability of certain endogenous sterol sulfates, sulfated glycolipids, and sulfated glycosaminoglycans, which are essential in maintaining biological equipose, energy metabolism, membrane function, and thermodynamic stability in living organisms. Our literature review provides the basis for the presentation of a novel hypothesis as to the origin of endogenous bio-sulfates which involves energy transduction from sunlight. Our hypothesis is amply supported by a growing body of data showing that parenteral administration of substances that lower serum zeta potential results in kosmotropic cationic and/or chaotropic anionic interfacial water stress, and the resulting cascade

    Sul potere rotatorio dello zucchero di fecola

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    Dell’azione dei composti ossigenati dell’azoto sull’ioduro di potassio in presenza dell’acqua

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    Einwirkung von übermangansaurem Kali auf Eiweisstoff

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    Ueber eine neue Methode zur Einäscherung schwerverbrennlicher Pflanzen- und Thierstoffe

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    Sulla variazione del potere rotatorio dello zucchero di fecola

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    Alcohol in Animal Tissues

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    Sulle sostanze albuminose e sulla loro trasformazione in urea

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