Results 191 to 200 of about 22,137 (279)

A Stereolithography Appearance-Based Ultra-Wideband Wide-Beam Dielectric Resonator Antenna. [PDF]

Sensors (Basel)
Song C, Yuan Y, Ye S, Wang Z, Zhang Q, Liu X, Fang G.   +6 more
europepmc   +1 more source

Stretchable and Strain‐Tolerant Gold‐Coated Fibrous Biosensor for Superoxide Anion Monitoring

Advanced Materials Technologies, EarlyView.
A breathable, stretchable gold nanomesh–TPU fiber platform is developed via controlled electroless deposition, enabling uniform through‐thickness conductivity while preserving porosity. Functionalized with superoxide dismutase, the system achieves selective, real‐time electrochemical detection of superoxide with high sensitivity, mechanical durability,
Jafar M. Batayneh, Ahyeon Koh
wiley   +1 more source

A 5G smartphone-oriented dual-band dual-antenna system designed via characteristic mode theory and surface current analysis. [PDF]

Sci Rep
Gu Z, Li W, Li S.
europepmc   +1 more source

Substituent Effects on Cyanine Dyes Vary with Position and Chain Length

Advanced Optical Materials, EarlyView.
In cyanines, substituent effects vary as a function of substituent position and cyanine length. Electron‐donating‐ and ‐withdrawing groups at meso‐ and α‐positions of 4n+1/4n−1 long cyanines (n = 1, 2, 3…) cause opposing, hypsochromic and bathochromic shifts of the 1st UV–vis absorption bands.
David Dunlop, Rebecca Strada, Peter Šebej   +2 more
wiley   +1 more source

A Linear and High-Sensitivity Microwave Biosensor on a FR-4 Substrate for Aqueous Glucose Monitoring Using a Concentric Square-Shaped Split-Ring Resonator. [PDF]

Sensors (Basel)
Jomaa K, Saad S, Kaddour D, Lemaître-Auger P, Garrab H.   +4 more
europepmc   +1 more source

Broadband Directional Thermal Radiation with Asymmetric Femtosecond Laser‐Processed Surfaces

Advanced Optical Materials, EarlyView.
Femtosecond laser processing is used to scalably create self‐organized angled microstructures which exhibit highly directional emissivity that occurs for all polarizations. Laser parameters are tuned to alter the surface features, control the direction of emission, and enhance the directional emissivity. Electromagnetic modeling is performed to analyze
Andrew Butler, Andrew Reicks, Jack Schulz, Patrick Hayden, Alireza Kalantari Dehaghi, Kira Marr, Linxiao Zhu, Christos Argyropoulos, Craig Zuhlke   +8 more
wiley   +1 more source

A Quasi-Lumped Element Tunable Bandpass Filter Based on GaAs Technology. [PDF]

Micromachines (Basel)
Cheng X, You B.
europepmc   +1 more source

Chameleonic Color‐Variable Microbead Emitters for Multilevel Spectroscopic Encryption from Visible to Infrared Wavelengths

Advanced Optical Materials, EarlyView.
Whispering‐gallery‐mode microresonators with sharp resonant peaks enable photonic barcoding. Similar to a chameleon, a rare‐earth‐free microcavity with π‐conjugated PAHs enables visibleto‐near infrared color generation from a single microbead. The unique resonat emission (spectral barcode) can be dynamically transformed via excitation wavelength change,
Barun Kumar Barman, Keisuke Watanabe, Kenzo Deguchi, Shinobu Ohki, Kenjiro Hashi, Atsushi Goto, Tadaaki Nagao   +6 more
wiley   +1 more source

Structural Modulation of Charge Transfer in Donor–Acceptor Systems: Effects of Donor Type and Connectivity

Advanced Optical Materials, EarlyView.
A coherent phthalimide acceptor platform with planar (Cz—carbazole) and spiro‐type (SAF—spiroacridine fluorene) donors enables systematic tuning of donor geometry and coupling, driving the evolution of excited‐state topology from classical CT‐TADF and fluorescence/RTP to CT‐driven and LE‐assisted TADF with OLED efficiencies ≈ 36%.
Christopher Anton Wallerius, Robert Herzhoff, Soyoung Boo, Andreas Mischok, Dirk Hertel, Jörg‐Martin Neudörfl, Daniele Fazzi, Malte C. Gather, Klaus Meerholz   +8 more
wiley   +1 more source

Audio Interference Suppressor in Analog Audio Interface. [PDF]

Sensors (Basel)
Olujić V, Fajt S, Sruk V, Krhen M.
europepmc   +1 more source