Results 41 to 50 of about 486,442 (301)

Redox‐Mediated Electrochemical Regeneration of Spent LiFePO4 Battery Cathodes

open access: yesAngewandte Chemie, EarlyView.
This work demonstrates a redox‐mediated electrochemical method for direct recycling of spent LiFePO4 battery cathodes. A water‐soluble mediator, iron propylenediamine tetraacetate (Fe‐PDTA), transports electrons into an off‐electrode reservoir where it drives compositional and structural repair of degraded LiFePO4.
Deok‐Ho Roh   +5 more
wiley   +2 more sources

Laser Micromachining of Liquid Metal Patterns for Stretchable Electronic Circuits

open access: yesAdvanced Materials Technologies, EarlyView.
A cleanroom‐free fabrication strategy combines UV‐laser micromachining with a copper foil wetting layer to rapidly produce high resolution, liquid metal based stretchable electronic circuits on diverse substrates. The scalable, maskless process enables complex circuit designs (<$<$3 h, ∼$\sim$15/device) with excellent electrical stability under strain,
Merjen Palvanova   +3 more
wiley   +1 more source

Photothermal Conversion Promotes Challenging SNAr for Facile C─N Bond Formation

open access: yesAngewandte Chemie, EarlyView.
Photothermal conversion enables facile aromatic C─N bond formation via red light irradiation. A variety of inter‐ and intramolecular SNAr transformations are achieved under mild, schematically simple conditions. Additionally, a thermally promoted halogen exchange mechanism provides access to aryl bromides, chlorides, and fluorides – making this ...
Megan E. Matter   +2 more
wiley   +2 more sources

Impacto medioambiental en las actividades físico-deportivas : estrategias y experiencias del profesor de Educación Física de Santiago Centro y Norte para enfrentar la contaminación ambiental [PDF]

open access: yes, 2017
Tesis (Profesor de Educación Física, Licenciado en Educación)El siguiente seminario de grado fue realizado para determinar el impacto de la contaminación ambiental en las actividades físicas deportivas en las comunas de Santiago Centro y Norte.
Cáceres Hunt, Isidora Sofía   +7 more
core  

Toward Wireless Implantable Robotic Systems Driven by Magnetic Field for Personalized Therapy

open access: yesAdvanced Robotics Research, EarlyView.
Robotic materials are playing an increasingly vital role in enabling sensing and actuation at small scales. This perspective highlights recent advances in magnetic materials and magnetically actuated devices for wireless sensing, actuation, and energy harvesting toward implantable robotic systems for closed‐loop therapy.
Yusheng Wang, Ruijian Ge, Xiaoguang Dong
wiley   +1 more source

Indicadores de salud ambiental

open access: yesRevista de Salud Ambiental, 2004
[ES] Esta ponencia presenta una visión general del proyecto de Indicadores de Salud Ambiental, coordinado por la OMS a nivel internacional y liderado por el Centro de Investigación sobre el Síndrome del Aceite Tóxico y Enfermedades Raras (CISATER) en España.
Posada de la Paz, Manuel   +2 more
openaire   +5 more sources

Comunicaciones en Póster presentadas en el XII Congreso Español de Salud Ambiental

open access: yesRevista de Salud Ambiental, 2013
No disponible.
Editor Revista de Salud Ambiental
doaj   +2 more sources

Modular Assembly of Dynamic Polymer Networks From Heteroaffinity Cross‐Links to Multivalent Proteins

open access: yesAngewandte Chemie, EarlyView.
This study develops a method to modularly assemble oligomeric binding proteins, like streptavidin, using heterobifunctional cross‐linkers that have both a strong‐ and a weak‐affinity binding moiety. These dynamic cross‐linkers enable the assembly of polymer networks with unique meta‐stable nonequilibrium topologies, and that exhibit chemically tunable ...
Tianyue Dai   +6 more
wiley   +2 more sources

Review of management strategies in environmental safety and health at work generated by the “Universidad Militar Nueva Granada" mitigation in environmental impacts and laboral risks [PDF]

open access: yes, 2015
En muchas organizaciones educativas la gestión ambiental, la seguridad y salud en el trabajo se caracteriza por buscar sólo el cumplimiento de la normatividad ambiental y de salud ocupacional.
Pérez Salazar, Luisa Johana
core  

Numerical Modeling of Photothermal Self‐Excited Composite Oscillators

open access: yesAdvanced Robotics Research, EarlyView.
We present a numerical framework for simulating photothermal self‐excited oscillations. The driving mechanism is elucidated by highlighting the roles of inertia and overshoot, as well as the phase lag between the thermal moment and the oscillation angle, which together construct the feedback loop between the system state and the environmental stimulus.
Zixiao Liu   +6 more
wiley   +1 more source

Home - About - Disclaimer - Privacy