Results 121 to 130 of about 993,713 (397)

Recent Advances in Stimuli‐Responsive Materials and Soft Robotic Actuators for Bioelectronic Medicine

open access: yesAdvanced Materials, EarlyView.
This review explores the integration of responsive materials and soft robotic actuators with implantable electronics to address key challenges in bioelectronic medicine. By enabling shape actuation, these technologies improve deployment, adaptability, and accuracy in minimally invasive procedures.
Chaoqun Dong, George G. Malliaras
wiley   +1 more source

Optical beam forming for phased-array antennas [PDF]

open access: yes, 2007
The activities of the Telecommunication Engineering (TE) group span the communications spectrum from copper cables, optical fibres, microwaves, radio and electromagnetic compatibility.
Borreman, A.   +6 more
core   +2 more sources

From Mechanoelectric Conversion to Tissue Regeneration: Translational Progress in Piezoelectric Materials

open access: yesAdvanced Materials, EarlyView.
This review highlights recent progress in piezoelectric materials for regenerative medicine, emphasizing their ability to convert mechanical stimuli into bioelectric signals that promote tissue repair. Key discussions cover the intrinsic piezoelectric properties of biological tissues, co‐stimulation cellular mechanisms for tissue regeneration, and ...
Xinyu Wang   +3 more
wiley   +1 more source

Direct observations of X-rays produced by upward positive lightning

open access: yesScientific Reports
X-rays have been observed in natural downward cloud-to-ground lightning for over 20 years and in rocket-triggered lightning for slightly less. In both cases, this energetic radiation has been detected during the stepped and dart leader phases of downward
Toma Oregel-Chaumont   +5 more
doaj   +1 more source

Gateway Electromagnetic Environmental Effects (E3) Requirements [PDF]

open access: yes
Electromagnetic Compatibility (EMC) is essential to the success of any vehicle design that incorporates a complex assortment of electronic, electrical, and electromechanical systems and sub-systems that is expected to meet operational and performance ...
Stecklein, Jonette M.
core   +1 more source

Photonic Nanomaterials for Wearable Health Solutions

open access: yesAdvanced Materials, EarlyView.
This review discusses the fundamentals and applications of photonic nanomaterials in wearable health technologies. It covers light‐matter interactions, synthesis, and functionalization strategies, device assembly, and sensing capabilities. Applications include skin patches and contact lenses for diagnostics and therapy. Future perspectives emphasize AI‐
Taewoong Park   +3 more
wiley   +1 more source

Analyzing Electromagnetic Systems on Electrically Large Platform Using a GTM-PO Hybrid Method with Synthetic Basis Functions

open access: yesInternational Journal of Antennas and Propagation, 2014
A hybrid method of generalized transition matrix (GTM) and physical optics (PO) with synthetic basis functions (SBF) is proposed to analyze electromagnetic systems on electrically large platforms.
Shang Xiang, Gaobiao Xiao, Junfa Mao
doaj   +1 more source

Electromagnetic Compatibility of Power Converters [PDF]

open access: yesarXiv: Accelerator Physics, 2016
This paper describes the main challenges related to power converters in a scientific environment. It proposes some methods of EMC analysis, design, measurement, and EMC troubleshooting.
openaire   +3 more sources

Two-Dimensional Forward Scattering – Comparisons of Approximate and Exact Solutions [PDF]

open access: yes, 2012
Various methods for analyses of scattering are mentioned and new approximate relationships are derived. Experimental results for thin wire and several numerical simulations of forward scattering using approximate estimations, physical optics and exact ...
Fiser, O.   +3 more
core   +1 more source

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