Results 41 to 50 of about 922,464 (301)

MODELO DE LA DESCARGA ELÉCTRICA QUE EXCITA A UN LÁSER PULSADO DE HF EN RÉGIMEN MULTILÍNEA

open access: yesAnales (Asociación Física Argentina), 2013
Mediante un modelo de la descarga eléctrica transversal, se reproduce el pulso obtenido con un láser de HF, iniciado con una mezcla de SF6/C3H8.
M. T. Bernal   +4 more
doaj  

Ultrafast sub-nanometer matter-wave temporal Talbot effect

open access: yesNew Journal of Physics, 2021
The coherent manipulation of the electron wavefunction at the atomic spatial and temporal scales is the fundamental breakthrough underlying far-reaching ultrafast phenomena as high-order harmonic radiation and attosecond pulse generation.
Ana García-Cabrera   +2 more
doaj   +1 more source

Removal of hyperplastic lesions of the oral cavity. A retrospective study of 128 cases [PDF]

open access: yes, 2014
Objetivos: Este trabajo pretende, en base a nuestra experiencia, valorar y discutir las indicaciones, ventajas e inconvenientes de la exéresis de los épulis de la cavidad bucal con el láser de dióxido de carbono (CO2) respecto al láser de Erbio:YAG (Er ...
Berini Aytés, Leonardo   +3 more
core  

RIPK4 function interferes with melanoma cell adhesion and metastasis

open access: yesMolecular Oncology, EarlyView.
RIPK4 promotes melanoma growth and spread. RIPK4 levels increase as skin lesions progress to melanoma. CRISPR/Cas9‐mediated deletion of RIPK4 causes melanoma cells to form less compact spheroids, reduces their migratory and invasive abilities and limits tumour growth and dissemination in mouse models.
Norbert Wronski   +9 more
wiley   +1 more source

EXCITACIÓN DE UN LÁSER DE CO2 MEDIANTE MICROONDAS

open access: yesAnales (Asociación Física Argentina), 2013
Mediante un magnetrón de uso comercial operado en forma continua se excita una mezcla láser de CO2 confinada en una guía rectangular de 15 mm por 282 mm de sección, acoplada a la guía rectangular principal mediante dos bocinas; la primera del tipo ...
I. J. Ríos   +5 more
doaj  

Can Impurities be Beneficial to Photovoltaics?

open access: yes, 2010
The state of the art of the intermediate band solar cells is presented with emphasis on the use of impurities or alloys to form bulk intermediate band materials.
Luque López, Antonio   +1 more
core   +1 more source

Diabetes‐induced vascular calcification is associated with low pyrophosphate and its oral supplementation prevents calcification in diabetic mice

open access: yesFEBS Open Bio, EarlyView.
Induction of diabetes in three different mouse strains uniformly resulted in an increase in TNAP activity and a reduction in pyrophosphate (PPi) in the circulation. Inhibition of TNAP restored plasma PPi. Diabetes‐induced calcification in the media layer of the aorta was detected only in the Abcc6−/− strain, which is predisposed to ectopic ...
Krisztina Fülöp   +13 more
wiley   +1 more source

Femtosecond time-resolved phase-change microscopy and ablation threshold calculations to understand ultrafast laser ablation [PDF]

open access: yes, 2016
El trabajo recoge experimentos realizados en una configuración sonda-prueba haciendo uso de un láser de femtosegundos, con el objetivo de comprender los fenómenos de ablación de materiales sólidos ras irradiación con láseres de pulso ultracorto ...
Carrasco-García, Irene María   +3 more
core  

The photoswitchable cannabinoid azo‐HU308 enables optical control of Ca2+ dynamics in INS‐1 β‐cells via off‐target effects on TRPC channels

open access: yesFEBS Open Bio, EarlyView.
Light activation of the photoswitchable cannabinoid ligand azo‐HU308 triggers Ca2+ influx in pancreatic β‐cells through TRPC channels, independent of CB2 cannabinoid receptors. This reveals a non‐GPCR pathway for cannabinoid modulation of β‐cell Ca2+ dynamics and establishes azo‐HU308 as an optical tool to study cannabinoid signaling through TRP ...
Alexander E. G. Viray, James A. Frank
wiley   +1 more source

Soldadura de aleaciones de aluminio con láseres de Nd:YAG de alta potencia

open access: yesRevista de Metalurgia, 1998
El uso del Al y sus aleaciones es creciente en la fabricación de vehículos de transporte. Su soldabilidad es menor que la de otros materiales y las aleaciones presentan cierta disminución de propiedades por pérdida de aleantes y/o de su tratamiento ...
J. A. García Orza
doaj   +1 more source

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