Results 51 to 60 of about 9,772 (296)

Ensino de astronomia através da realidade aumentada

Cadernos Cajuína
O artigo apresenta a construção e aplicação de um Caderno Pedagógico com uso de Realidade Aumentada (RA) para o ensino de Astronomia e Física Moderna, tendo como tema central o Eclipse de Sobral (1919), que foi importante para a comprovação da Teoria da
Alerf de Paula Dornel, Cleiton Kenup Piumbini, Marconi Frank Barros, Luiz Otavio Buffon, Robson Leone Evangelista   +4 more
doaj   +1 more source

Characterizing Cutaneous α‐Synuclein Deposition and Seeding Activity in Parkinson's Disease Subtypes

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Cutaneous phosphorylated α‐synuclein (p‐syn) and α‐synuclein seeding activity are promising biomarkers for Parkinson's disease (PD), but their clinical value remains uncertain due to disease heterogeneity. This study evaluates these two biomarkers in PD patients to inform phenotype‐specific diagnosis and disease severity assessment ...
Yuting Jin, Tianyuan Yang, Minglei Liu, Haiyang Luo, Jing Yuan, Ke Zhang, Xinsheng Han, Jing Yang, Yuming Xu   +8 more
wiley   +1 more source

Evidencias de agroastronomía entre los antiguos mayas

Estudios de Cultura Maya, 2016
This study focuses on an Postclassic Maya agricultural almanac in the Madrid Codex (12b-18b), which seems to show a registry of eclipses integraed with observations of Venus in the context of a 260-day calendar (Tzolkin).
Susan Milbrath
doaj   +1 more source

Response of the equatorial ionosphere to the total solar eclipse of 22 July 2009 and annular eclipse of 15 January 2010 as observed from a network of stations situated in the Indian longitude sector [PDF]

Annales Geophysicae, 2011
Dual-frequency GPS TEC monitors have been used to study the response of the ionosphere to the solar eclipses of 22 July 2009 and 15 January 2010. The receivers were located at three stations, Calcutta, Kharagpur and Baharampore which are situated ...
A. Paul, A. Paul, T. Das, S. Ray, S. Ray, A. Das, D. Bhowmick, A. DasGupta   +7 more
doaj   +1 more source

Blood RNA Biomarker Signatures for Early Diagnosis and Prognosis in Ischemic and Hemorrhagic Stroke: The IBIS‐CT1 Study

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To evaluate the expression of nine blood RNA biomarkers in a clinical trial based on genes previously identified in an experimental monkey model of stroke for diagnosis feasibility and prognostication. Methods IBIS‐CT1 was a prospective longitudinal study enrolling patients with ischemic stroke (IS) or intracerebral hemorrhage (ICH ...
Salomé Retailleau, Marie Bruguet, Irina Viakhireva‐Dovganyuk, François‐Mathias Merrien, Denis Marechal, Aurore Jourdain, Philippe Goas, Jordan Coris, Julien Asselineau, Maëlys Consigny, Gérald Le Gac, Serge Timsit   +11 more
wiley   +1 more source

Validation of a Cellular Imaging‐Based Method as a Potential Biomarker for SPG4 Hereditary Spastic Paraplegia

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Hereditary Spastic Paraplegia (HSP) comprises a group of rare genetic diseases characterized by length‐dependent axonal degeneration of the corticospinal tracts and dorsal columns, whose main clinical feature is spastic gait. Pathogenic variants in the SPG4 gene cause Spastic Paraplegia Type 4 (SPG4‐HSP), the most common form of HSP.
Gaia Fattorini, Valerio Licursi, Gianmarco Dalla Zanna, Flavio Dal Canto, Melissa Barghigiani, Nunzio Setola, Salvatore Rossi, Antonio Funcis, Filippo M. Santorelli, Gabriella Silvestri, Carlo Casali, Francesca Sardina, Cinzia Rinaldo   +12 more
wiley   +1 more source

The wolf's jaw: an astronomical interpretation of Ragnarok [PDF]

Archaeoastronomy and Ancient Technologies, 2018
This paper aims to explain the eschatological outbreak that occurred during the X century in Scandinavia and northern Europe, which gave rise to a great iconography of Ragnarok, stemmed primarily from the Old Norse mythology. Our basic hypothesis is that
Langer, J.
doaj   +1 more source

Discrepancies Between Micro Versus Macroscale Viscoelastic Properties in a Microplastic‐Tissue Composite Model

Advanced Engineering Materials, EarlyView.
This study explores the discrepancies between bulk mechanics and spatial mapping in a tissue‐mimetic hydrogel model. Microplastic particles create localized stiff mechanical microenvironments that are detectable by cellular‐scale nanoindentation but leave bulk properties unchanged as measured by rheology.
Ahron T. Verschleisser, Baptiste Le Roi, Omri Leshem, Joshua M. Grolman   +3 more
wiley   +1 more source

DNA‐Templated 2D Heterostructures as Phototriggered Dynamic Nanohybrids: From Releasing Molecular Loads to Controlling Enzyme Biocatalytic Function

Advanced Functional Materials, EarlyView.
DNA strands are employed both as dynamic linkers and nanoscale templates for the integration of Ag2S nanoparticles on MoS2, which in turn imparted photothermal responsiveness; this feature permits the selective cargo (fluorophore, quantum dots or an enzyme) release from the MoS2 surface in response to local heat induced by light irradiation.
Kai Chen, Haosen Miao, Weiying Hong, Matteo Palma   +3 more
wiley   +1 more source

Aristarco revisitado

Revista Brasileira de Ensino de Física
Usando as triangulações propostas pelo antigo astrônomo Aristarco, obtivemos neste trabalho o tempo total e a duração do máximo dos eclipses solares e calculamos o tempo total dos eclipses lunares. Para isso, usamos os valores do período orbital da Lua e
T.B. de Oliveira, V.T. Lima, A.C. Bertuola   +2 more
doaj   +1 more source