Results 181 to 190 of about 3,649,878 (351)

Synthesis and Self‐Assembly of Pore‐Forming Three‐Arm Amphiphilic Block Copolymers

open access: yesMacromolecular Rapid Communications, EarlyView.
A novel two‐step synthesis of an amphiphilic three‐arm block copolymer and self‐assembly and its tendency to pore formation is presented. Self‐assembly in the bulk state is investigated using TEM and SAXS. Pore formation following a SNIPS protocol is studied using SEM. The porous structures are further investigated via AFM in air and water.
Sebastian Pusse   +5 more
wiley   +1 more source

Acumulación de capital y estructuración espacial

open access: yesCuadernos de Economía, 1988
Dos tendencias contrapuestas se mueven hoy por hoy en los estudios teóricos y prácticos acerca del espacio y su utilización. La primera, más arraigada y difundida, se centra en el problema de la ocupación del espacio y de las formas como podría ser usado
Rodríguez Hernández Jairo Enrique
doaj  

Editorial

open access: yesESPACIO I+D: Innovación más Desarrollo
Revista Espacio Innovación Mas Desarrollo
doaj   +6 more sources

Prevalence of Parkinson's Disease in 22q11.2 Deletion Syndrome: A Multicenter Study

open access: yesMovement Disorders Clinical Practice, EarlyView.
Abstract Background 22q11.2 deletion syndrome (22q11.2DS) has been associated with increased risk of early‐onset Parkinson's disease (PD). Objective To determine the prevalence and predictors of PD in a large international 22q11.2DS sample. Methods The sample comprised 856 adults (median age 28 (range 16–76) years; 53.0% female).
Emma N.M.M. von Scheibler   +13 more
wiley   +1 more source

Surgimiento y transformación de clusters y milieus en los procesos de desarrollo

open access: yesEURE (Santiago) - Revista Latinoamericana de Estudios Urbano Regionales, 2006
El artículo presenta una interpretación de los factores que explican el surgimiento de los clusters y aglomeraciones de empresas, y de los mecanismos a través de los que se desarrollan y se transforman.
Antonio Vázquez-Barquero
doaj  

Polygenic Risk Score Combined with Transcranial Sonography Refines Parkinson's Disease Risk Prediction

open access: yesMovement Disorders Clinical Practice, EarlyView.
Abstract Background Dopaminergic neuron depletion in the substantia nigra (SN) and the pathological aggregation of α‐synuclein are the neuropathological hallmarks of Parkinson's disease (PD). Objectives This study aimed to investigate the association between the polygenic risk score for PD (PD‐PRS) and transcranial sonography (TCS)‐measured SN ...
Mart Kals   +11 more
wiley   +1 more source

Comentarios al Salto Social

open access: yesCuadernos de Economía, 1995
1. El Plan considera que la política social es un componente central de la estrategia macroeconómica. A diferencia de la administración Gaviria, lo social ha dejado de ser un asunto marginal, es consustancial al desarrollo y, por tanto, se le confiere ...
Facultad de Ciencias Económicas
doaj  

Preserved Thermoregulation in Huntington's Disease: Insights from an Observational Case–Control Study

open access: yesMovement Disorders Clinical Practice, EarlyView.
ABSTRACT Background Thermoregulation is critical for preventing hyperthermia during physical activity. In Huntington's disease (HD), research on possible thermoregulatory alterations has received little attention. Objectives We aimed to investigate and compare skin temperature differences before and after exercise between HD patients and healthy ...
Lucía Simón‐Vicente   +7 more
wiley   +1 more source

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