Results 171 to 180 of about 24,719 (256)

Beyond Hydrogen Bonding: π···π Stacking Directed Self‐Assembly of Carboxylic Acid Clusters in the Gas Phase

Angewandte Chemie, EarlyView.
A critical transformation from hydrogen‐bonded trimers to π–π stacked tetramers is unveiled by microwave spectroscopy, highlighting dispersion as a key force in directing carboxylic acid aggregation. ABSTRACT Carboxylic acids critically influence atmospheric chemistry by modulating acidity, new particle formation, and aerosol growth.
Jingling Hong, Melanie Schnell, Mingfei Zhou, Weixing Li   +3 more
wiley   +2 more sources

Radar Multiple Bin Selection for Breathing and Heart Rate Monitoring in Acute Stroke Patients in a Clinical Setting. [PDF]

Sensors (Basel)
Szmola B, Hornig L, Vox JP, Liman T, Radeloff A, Kollmeier B, Wolf KI, Witt K.   +7 more
europepmc   +1 more source

Entropy‐Guided Convolutional Neural Network Classification of Sensor Signals for Real‐Time Surface Quality Monitoring in Direct Laser Interference Patterning

Advanced Intelligent Systems, EarlyView.
Neural‐network pipeline for real‐time DLIP surface‐quality monitoring: spectral entropy of WLI topographies is used to generate interpretable K‐means labels, which are transferred to time‐resolved photodiode traces. A compact dual‐input 1D‐CNN (signal + laser parameters) learns discriminative spatiotemporal features and predicts “OK/NOK” surface ...
Marcelo Daniel Sallese, Ignacio Tabares, Wei Wang, Marcos Soldera, Andrés Fabián Lasagni   +4 more
wiley   +1 more source

Out‐of‐Equilibrium Supramolecular Assembly Sustained by Photocatalysis

Angewandte Chemie, EarlyView.
Catalysis sustains structure: A Pt(II) supramolecular photocatalyst persists in a far‐from‐equilibrium state only as long as it remains photocatalytically active. Without ongoing catalytic activity, the system irreversibly relaxes into a thermodynamically stable but inactive state (PtB). Catalysis is essential for sustaining its structure.
E. Pelorosso, M. Scaccaglia, A. Fortunato, D. Alessi, F. Arcudi, A. Aliprandi   +5 more
wiley   +2 more sources

An arbitrary waveform neurostimulator for preclinical studies: design and verification. [PDF]

Med Biol Eng Comput
Guzman-Miranda H, Barriga-Rivera A.
europepmc   +1 more source

AI‐Assisted IoT‐Enabled ECG Monitoring: Integrating Foundational and Generative AI Tools for Sustainable Smart Healthcare—Recent Trends

AI &Innovation, EarlyView.
ABSTRACT The rapid evolution of the Internet of Things (IoT) has significantly advanced the field of electrocardiogram (ECG) monitoring, enabling real‐time, remote, and patient‐centric cardiac care. This paper presents a comprehensive survey of AI assisted IoT‐based ECG monitoring systems, focusing on the integration of emerging technologies such as ...
Amrita Choudhury, Kandarpa Kumar Sarma, Lachit Dutta   +2 more
wiley   +1 more source

Fully Integrated 24-GHz 1TX-2RX Transceiver for Compact FMCW Radar Applications. [PDF]

Sensors (Basel)
Ko GH, Moon SJ, Kim SH, Kim JG, Baek D.
europepmc   +1 more source

A fully integrated harmonic injection and envelope-tracking architecture to extend the linearity of RF power amplifiers under high PAPR. [PDF]

Sci Rep
Ziraksaz F, Hassanzadeh A.
europepmc   +1 more source

Design of a High-Power Nanosecond Electromagnetic Pulse Radiation System for Verifying Spaceborne Detectors. [PDF]

Sensors (Basel)
Zhang T, Li Z, Duan C, Wang L, Wei Y, Li K, Li X, Cao B.   +7 more
europepmc   +1 more source

Lightweight and Compact Pulse Radar for UAV Platforms for Mid-Air Collision Avoidance. [PDF]

Sensors (Basel)
Sysak D, Byndas A, Karas T, Jaromi G.
europepmc   +1 more source