Results 191 to 200 of about 65,278,390 (237)

Polydopamine Nanoparticle‐Mediated Precise Near‐Infrared Optical Stimulation for Cognitive Enhancement

Advanced Science, EarlyView.
Polydopamine nanoparticles enable a precise, non‐genetic, and transcranial neuromodulation strategy via near‐infrared photothermal stimulation. By activating TRPV1 channels, this approach specifically enhances hippocampal gamma oscillations, thereby rescuing spatial memory deficits in models of perioperative neurocognitive disorder.
Yan‐Bo Zhou, Qiong Xue, Su‐Xuan Hou, Ke‐Yao Zhang, Wei‐Tong Pan, Ting‐Ting Zeng, Yu‐Ge Wang, Daqing Ma, Chenguang Zhao, Pan‐Miao Liu, Jian‐Jun Yang   +10 more
wiley   +1 more source

Ammonia production by microbubbles: A theoretical analysis of achievable energy intensity. [PDF]

Ultrason Sonochem
Kubicsek F, Kozák Á, Turányi T, Zsély IG, Papp M, Al-Awamleh A, Hegedûs F.   +6 more
europepmc   +1 more source

Disrupting Helicobacter pylori Iron Homeostasis With Bismuth Nanodrug‐Mediated Nutritional Trap for Targeted Gastric Infection Therapy

Advanced Science, EarlyView.
A “nutritional trap” strategy centered on disrupting bacterial iron homeostasis is proposed. The synthesized Bi‐TP@FU (TBF) can target Helicobacter pylori, interfere with the bacterial iron uptake and utilization processes to disrupt its iron homeostasis, induce bacterial death, and meanwhile preserve the balance of the intestinal flora.
Tianye Fang, Jinzhe Tong, Feng Feng, Cong Liu, Chang Shu, Jiaying Zhu, Shibo Zhang, Shuyue Deng, Wanchao Zuo, Yuhan Song, Jun Yang, Yanmin Ju, Yingying Xing, Jianjun Dai   +13 more
wiley   +1 more source

Are juvenile offenders psychologically different from juvenile criminals? A preliminary investigation. [PDF]

Front Psychol
Liu S, Xiang P, Li H, Xu D, Lu J, Chen B, Jian W, Wang M, Qu L.   +8 more
europepmc   +1 more source

Deep attention model for arrhythmia signal classification based on multi-objective crayfish optimization algorithmic variational mode decomposition. [PDF]

Sci Rep
Zhang Y, Zhao H.
europepmc   +1 more source

A Novel Robotic Controller Using Neural Engineering Framework-Based Spiking Neural Networks. [PDF]

Sensors (Basel)
Marrero D, Kern J, Urrea C.
europepmc   +1 more source

Positive Periodic Solutions for a First Order Singular Ordinary Differential Equation Generated by Impulses

Qualitative Theory of Dynamical Systems, 2017
This paper is devoted to the solvability of the following singular boundary value problem with impulsive effects \[ x'(t)=-g(x(t))+e(t), \] \[ \Delta x(t_k)=x(t^+_k)-x(t^-_k)=I_k(x(t_k)),\, k=1,\dots,q, \] \[ x(0)=x(T),\, T>0, \] where \(g:(0,\infty)\to(0,\infty)\) is a continuous and bijective function such that \(\lim_{t\to 0^+}g(t)=+\infty\) and ...
Juan J Nieto, Nieto Juan J
exaly   +3 more sources

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Boundary value problems for higher order ordinary differential equations with impulses

Nonlinear Analysis: Theory, Methods & Applications, 1998
The authors use the method of upper and lower solutions coupled with a monotone iterative technique, to study existence and approximation of solutions to some boundary value problems for higher-order ordinary differential equations with impulses of the type \[ u^{(n)}(t) = f(t,u(t)), \text{ for } \;a.e.
Alberto Cabada, Eduardo Liz
exaly   +2 more sources

Asymptotic equivalence of ordinary and impulsive operator–differential equations

Communications in Nonlinear Science and Numerical Simulation, 2019
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Anatoliy A. Martynyuk, Gani Tr. Stamov, Ivanka M. Stamova   +2 more
openaire   +1 more source

Galerkin Methods for Nonlinear Ordinary Differential Equation with Impulses

Numerical Algorithms, 2003
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
François Dubeau, Abdelatif Ouansafi, A. Sakat   +2 more
openaire   +1 more source