Results 21 to 30 of about 77,258 (158)
Educación Química, 2018 La quiralidad es un fenómeno estrechamente ligado a la naturaleza y a la vida. Nuestro metabolismo depende del reconocimiento selectivo que se lleva a cabo entre enzimas, receptores y diversos sitios activos que poseen una quiralidad determinada.
Zara J. Domínguez Esquivel
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Coumarin compounds against Alzheimer's disease: An in-silico approach
Results in ChemistryAlzheimer's disease, one of the most common causes of senile dementia, has no cure which makes the development of new treatments crucial. In this regard, secondary metabolites from plants have shown important bioactivity, including the inhibitory effect ...
Mayra Avelar +3 more
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New Approaches to Oxirane Containing Natural Products: Stereoselective Total Synthesis of the Antitumor Agents Gummiferol and Depudecin [PDF]
, 2015 La comunicación presenta la síntesis total de productos naturales con actividad antitumoral caracterizados estructuralmente por la presencia de anillos de oxirano.
García-Ruiz, Cristina +1 more
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Blocking the Poor: Status Quo Bias in Policy Congruence
Policy Studies Journal, EarlyView.ABSTRACT Research on unequal responsiveness has shown that policies tend to align more closely with the preferences of high‐income citizens than low‐income citizens. Using comparative data on opinions and policies, we suggest that this inequality primarily results from status quo bias; asymmetric blocking power drives unequal congruence rather than ...
Mikael Persson, Anders Sundell
wiley +1 more source
Síntesis asimétrica de Lennoxamina [PDF]
, 2012 46 p.La obtención de mezclas racémicas en la síntesis de diversos fármacos en décadas anteriores era muy común, sin embargo en la actualidad se busca la síntesis de un solo enantiómero, ya que las regulaciones actuales exigen la evaluación de ambos ...
Piérola Maldonado, Johanna +1 more
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ChemBioChem, Volume 27, Issue 8, April 2026.PaDa‐I and JaWa, two evolved UPO variants, catalyze the oxidation of 9 out of 12 pharmaceutical emerging contaminants, with TTN up to 4500. The enzymes exhibit distinct substrate selectivity. Only PaDa‐I can catalyze the simultaneous oxidation of substrates in wastewater samples.
Alina Torres‐Aguirre +4 more
wiley +1 more source
La financiacion del transporte urbano y metropolitano desde los presupuestos generales del Estado [PDF]
, 2006 Desde 1990 la Administración General del Estado ha venido financiando el transporte urbano y metropolitano a través de diversos Contratos-Programas y Convenios de Financiación de Infraestructuras Ferroviarias.
de Rus, Gines, Socorro, M. Pilar
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Post-Quantum Cryptography: S381 Cyclic Subgroup of High Order
, 2017 Currently there is an active Post-Quantum Cryptography (PQC) solutions search, which attempts to find cryptographic protocols resistant to attacks by means of for instance Shor polynomial time algorithm for numerical field problems like integer ...
Hecht, Pedro
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Asian Politics &Policy, Volume 18, Issue 2, April 2026.ABSTRACT This study reframes Hong Kong's Legislative Council geographical constituency elections as a case of limited competition produced by institutional design. Using candidate‐level data, we examine how organizational resources and competition structure shape electoral outcomes under a mixed system that combines proportional representation in GCs ...
Pei ZHI, Fen LIN
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La importancia de la síntesis asimétrica
Educación Química, 2018 A mediados del siglo XIX se conocían ya varios ejemplos de moléculas con la misma composición y conectividad de sus átomos y, a pesar de ello, distintas.
Eusebio Juaristi
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