Browsing by Title Facultad de Ciencias
Now showing items 128-147 of 8173
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(Elsevier, 2017)A basic question concerning indecomposable Soergel bimodules is to understand their en-domorphism rings. In characteristic zero all degree-zero endomorphisms are isomorphisms (afact proved by Elias and the second author) ...
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(Amer Geophysical Union, 2021)We propose a method, based on Neural Networks, that detects the nonlinear robust interplanetary solar wind variables, with varying delays, driving the coupled behavior of three geomagnetic indices (Dst, AL, and AU). As ...
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(Springer, 2017)In this note we show that if an abelian variety possesses a Galois embedding into some projective space, then it must be isogenous to the self product of an elliptic curve. We prove moreover that the self product of an ...
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(Marcel Dekker Inc., 1999)Let F be a field of any characteristic. For n ≥ 0, let J(n) = {q̄ ∈ Wq(F)| deg(q) ≥ n}. The degree conjecture asserts that for each n ≥ 0 (DC) J(n) = InWq(F) Let p be any n-fold quadratic Pfister form over F and F(p) the ...
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(Elsevier, 2018)We propose a novel approach for the treatment of atrophic bone non-unions via parallel applications of extracorporeal shock wave therapy (ESWT) and an autologous mesenchymal stem cell transplant. The hypothesis resides on ...
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(Elsevier Ltd, 2019)A novel method to obtain catalytic bio-nanocomposites based on chitosan containing different amounts of gold nanoparticles generated in situ is reported. The formation of gold nanoparticles takes place in solid phase ...
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(Sociedad Chilena de Quimica, 2018)© 2018 Sociedad Chilena de Quimica.all rights reserved. Phytochemical analysis of Azorella compacta resulted in the isolation of six known diterpenes and one unknown norditerpene using chromatographic methods. The structure ...
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(Marcel Dekker Inc., 1999)A novel route to 5,7-dimethoxy-6-hydroxyflavone is described, involving the cyclization of an intermediate phosphorane as the key step.
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(2012)BACKGROUND AND PURPOSE The μ-conopeptide family is defined by its ability to block voltage-gated sodium channels (VGSCs), a property that can be used for the development of myorelaxants and analgesics. We characterized the ...
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(Elsevier, 2020)The atmospheric deposition of polycyclic aromatic compounds (PACs) is considered a major pathway to isolated lakes and bogs in the Athabasca oil sands region (AOSR), Canada. However, the suite of PACs measured has been ...
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(Stockton Press, 1996-09-09)1 The selectivity of action of boldine and the related aporphine alkaloids, predicentrine (9-0- methylboldine) and glaucine (2,9-0-dimethylboldine) on oel-adrenoceptor subtypes was studied by examining [3H]-prazosin ...
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(Stockton Press, 1996-09-19)1 The selectivity of action of boldine and the related aporphine alkaloids, predicen trine (9-0methylboldine) and glaucine (2,9-0-dimethylboldine) on (X¡-adrenoceptor subtypes was studied by examining pH]-prazosin ...
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(John Wiley and Sons Inc., 1996)1 The selectivity of action of boldine and the related aporphine alkaloids, predicentrine (9-O-methylboldine) and glaucine (2,9-O-dimethylboldine) on α1-adrenoceptor subtypes was studied by examining [3H]-prazosin competition ...
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(2012)An almost complete postcranial skeleton recovered from late Maastrichtian beds of central Chile, which can be confidently referred to the clade Elasmosauridae (Sauropterygia: Plesiosauroidea), is described. The material ...
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(Scholars Research Library, 2016)We employed a formal QSAR method to find the main interactions regulating the variation of the ability to inhibit the germination of Lactuca sativa seeds by a small group of phenolic acids. The same techique was employed ...
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A protein inhibitor of calmodulin-regulated cyclic nucleotide phosphodiesterase in amphibian ovaries (1985)The cytosol fraction of an extract of Xenopus laevis ovaries contains a protein inhibitor that can specifically block the activation of calmodulin-sensitive cyclic nucleotide phosphodiesterase (PDE I) found in that tissue. ...
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A Proteome Map of Axoglial Specializations Isolated and Purified from Human Central Nervous System (WILEY-LISS, DIV JOHN WILEY & SONS INC, 2010-09-09)Compact myelin, the paranode, and the juxtaparanode are discrete domains that are formed on myelinated axons. In humans, neurological disorders associated with loss of myelin, including Multiple Sclerosis, often also ...
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(2012)We present a model of single species fishery which alternates closed seasons with pulse captures. The novelty is that the length of a closed season is determined by the remaining stock size after the last capture. The ...