Results 81 to 90 of about 85,977 (300)

Millimeter-wavelengths propagation studies Semiannaul status report [PDF]

open access: yes
Construction of two microwave band receiving antennas for ATS-E wavelength propagation ...

core   +1 more source

Spin wave emission by spin-orbit torque antennas

open access: yes, 2018
We study the generation of propagating spin waves in Ta/CoFeB waveguides by spin-orbit torque antennas and compare them to conventional inductive antennas.
Adelmann, Christoph   +7 more
core   +3 more sources

Skin‐Interfaced Therapeutic Patches for Wound Fluid Management and Transdermal Drug Delivery

open access: yesAdvanced Healthcare Materials, EarlyView.
This study presents an integrated skin‐interfaced device combining microfluidics, hydrogel film technology, flexible electronics, and iontophoresis‐based transdermal delivery of PDRN to enhance wound healing. The device effectively manages wound fluid, maintains optimal moisture, and non‐invasively delivers therapeutic drugs.
Dongjun Han   +5 more
wiley   +1 more source

Wideband Polarization Conversion Metasurface for RCS Reduction of Antennas

open access: yesInternational Journal of Antennas and Propagation, 2018
Polarization conversion metasurface (PCM) with wide operating band and high polarization conversion ratio is proposed for antenna radar cross-section (RCS) reduction.
Tao Hong   +4 more
doaj   +1 more source

A Compact Broadband and Wide Beam Circularly Polarized Antenna With Shorted Vertical Plates

open access: yesIEEE Access, 2019
In this paper, a compact broadband and wide beam circularly polarized (CP) antenna are with novel vertical plate structure is proposed. The antenna is composed of two pairs of crossed dipoles, a slotted ground plane with four vertical right-angle plates ...
Guang Li, Fu-Shun Zhang
doaj   +1 more source

Features and technologies of ERS-1 (ESA) and X-SAR antennas [PDF]

open access: yes
Features and technologies of planar waveguide array antennas developed for spaceborne microwave sensors are described. Such antennas are made from carbon fiber reinforced plastic (CFRP) employing special manufacturing and metallization techniques to ...
Schuessler, R., Wagner, R.
core   +1 more source

Compact Circularly Polarized Patch Antenna Using a Composite Right/Left-Handed Transmission Line Unit-Cell [PDF]

open access: yes, 2013
A compact circularly polarized (CP) patch antenna using a composite right/left-handed (CRLH) transmission line (TL) unit-cell is proposed. The CRLH TL unit-cell includes a complementary split ring resonator (CSRR) for shunt inductance and a gap loaded ...
Gao, X. J.   +4 more
core   +1 more source

Thermo‐Fluorescent Bactericidal Quantum Dots Based Smart Multifunctional Textiles via Molecular Surface Engineering and 3D‐Printed Interlocked Architectures

open access: yesAdvanced Healthcare Materials, EarlyView.
A versatile approach is presented for fabricating smart multifunctional textiles by integrating thermo‐fluorescent carbon dot/polymer nanocomposite coatings with 3D‐printed interlocked architectures. The fabrics exhibit temperature‐responsive fluorescence, durable hydrophobicity, strong antibacterial and antioxidant activity, and enhanced UV protection.
Poushali Das   +8 more
wiley   +1 more source

Mesoporous Silica Nanoparticles in Biomedicine: Advances and Prospects

open access: yesAdvanced Materials, EarlyView.
Mesoporous silica nanoparticles offer unique properties like high surface area, tunable pores, and functionalization. They excel in drug delivery, tissue engineering, and stimuli‐responsive therapies, enabling targeted and controlled treatments. With roles in cancer therapy and diagnostics, their clinical translation requires addressing challenges in ...
Miguel Manzano, María Vallet‐Regí
wiley   +1 more source

Microstrip Patch Antennas Fed by Substrate Integrated Waveguide [PDF]

open access: yes, 2013
Dizertační práce je zaměřena na výzkum mikropáskových flíčkových antén a anténních řad napájených vlnovodem integrovaným do substrátu (SIW). Využitím vlnovodu integrovaného do substrátu pro napájení mikropáskové flíčkové antény dochází ke kombinaci ...
Mikulášek, Tomáš
core  

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