Results 191 to 200 of about 29,434 (259)

Oxygen Vacancy‐Enriched Platinum Single‐Atom Nanozyme Wrapped in Nanoislands: Unlocking Catalytic Activity and Reprogramming Redox Microenvironment for Osteonecrosis Repair

Advanced Science, EarlyView.
CeO2‐x/Pt single‐atom nano‐island is constructed via low‐temperature reduction, featuring abundant oxygen vacancies and an island–sea structure. It delivers outstanding multi‐enzyme‐mimetic activity and ROS‐scavenging efficiency. Density functional theory reveals optimized electronic structures and reaction pathways.
Yang Zhu, Zehui Lv, Xuejie Cai, Penghui Wei, Dengliang Wang, Zhao Wang, Ruoying Wang, Yingjie Wang, Xingdong Yang, Yixin Bian, Jiawei Xu, Xisheng Weng, Liangfeng Wei   +12 more
wiley   +1 more source

Animal acoustic communication has a conserved optimal rhythm within the neural delta range. [PDF]

PLoS Biol
Piette T, Cathcart C, Barbieri C, Martin Ming K, Grandjean D, Bickel B, Déaux E, Giraud AL.   +7 more
europepmc   +1 more source

Differential Modulation by Polystyrene Microplastics on the Toxic Effects of Pyrene and Its Derivatives in the Blue Mussel <i>Mytilus edulis</i>: Insights from Hemolymph Biomarkers. [PDF]

Toxics
Zhu R, Li S, Lu Y, Chen W, Xie M, Xu K, Zhou X.   +6 more
europepmc   +1 more source

Modulation-Based Feature Extraction for Robust Sleep Stage Classification Across Apnea-Based Cohorts. [PDF]

Biosensors (Basel)
Tallal U, Agrawal R, Kshirsagar S.
europepmc   +1 more source

Immunogenicity of SARS-CoV-2 vaccine prototype based on virus-like particles of hepatitis B core antigen from genotype G and interleukin 12 expressing Semliki Forest virus as a genetic adjuvant. [PDF]

J Gen Virol
Dislers A, Nilova O, Jansons J, Skrastina D, Bogans J, Petrovskis I, Spunde K, Stepanovs R, Kazaks A, Zajakina A, Sominskaya I.   +10 more
europepmc   +1 more source

The Crosstalk Between the Anterior Hypothalamus and the Locus Coeruleus During Wakefulness Is Associated with Low-Frequency Oscillations Power During Sleep. [PDF]

Clocks Sleep
Mortazavi N, Talwar P, Koshmanova E, Sharifpour R, Beckers E, Paparella I, Balda F, Bastin C, Collette F, Lamalle L, Phillips C, Zubkov M, Vandewalle G.   +12 more
europepmc   +1 more source

Kappa opioid receptor control of motivated behavior revisited. [PDF]

Neuropsychopharmacology
Farahbakhsh ZZ, Siciliano CA.
europepmc   +1 more source

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A digital modulator with bandpass delta-sigma modulator

Proceedings of the 30th European Solid-State Circuits Conference, 2004
A digital quadrature modulator with a bandpass ??-modulator is presented that interpolates orthogonal input carriers by 16 and performs a digital quadrature modulation at carrier frequencies fs/4, ?fs/4 (fs is the sampling frequency). After quadrature modulation, the signal is converted into an analogue IF signal using a bandpass ??
Johan Sommarek, Jouko Vankka, Jaakko Ketola, Jonne Lindeberg, Kari Halonen   +4 more
openaire   +1 more source

Behavioral modeling of delta–sigma modulators

Computer Standards & Interfaces, 1998
Abstract This paper presents an overview of DelSi, a MATLAB toolbox developed for the design and simulation of delta–sigma modulators. The DelSi toolbox can synthesize a stable noise-transfer function for complex network structures. The modelling tool consists of two c / c ++ programs, sdMod.c, a single stage delta–sigma modulator and firfilt.c, a
Davis, Alan J., Fischer, Godi
openaire   +2 more sources

Delta-sigma modulation in single neurons

2002 IEEE International Symposium on Circuits and Systems. Proceedings (Cat. No.02CH37353), 2003
In this paper we investigate the relationship between the pulse-coded signal representation found in biological neurons and signals represented by first-order delta-sigma bit-streams. We show that a first-order delta-sigma bit-stream is a digital equivalent to a pulse-coded neural signal.
Mats Høvin, Dag T. Wisland, Yngvar Berg, Jan-Tore Marienborg, Tor Sverre Lande   +4 more
openaire   +1 more source