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Although matrix metalloproteinases (MMPs) are implicated in the regulation of numerous physiological processes, evidences of their pathological roles have also been obtained in the last decades, making MMPs attractive therapeutic targets…

神经元与认知 · 定量生物学 2021-12-03 Pauline Zipfel , Christophe Rochais , Kévin Baranger , Santiago Rivera , Patrick Dallemagne

Dendritic cells (DCs) display the unique ability to activate naive T cells and to initiate primary T cell responses revealed in DC-T cell alloreactions. DCs frequently operate under stress conditions. Oxidative stress enhances the…

We report achieving enhanced nuclear magnetization in a magnetic resonance force microscope experiment at 0.6 tesla and 4.2 kelvin using the dynamic nuclear polarization (DNP) effect. In our experiments a microwire coplanar waveguide…

In this study, to obtain perpendicular magnetic tunnel junctions (p-MTJs) using half-metallic ferromagnets (HMFs), several methods were developed to induce perpendicular magnetic anisotropy (PMA) in full-Heusler Co2FeSi (CFS) alloy thin…

材料科学 · 物理学 2018-01-22 Koki Shinohara , Takahiro Suzuki , Yota Takamura , Shigeki Nakagawa

Human bone marrow-derived mesenchymal stem cells (hBM-MSCs) are considered a great promise in the repair and regeneration of bone. Considerable efforts have been oriented towards uncovering the best strategy to promote stem cells osteogenic…

The in vivo propulsion and monitoring of nanoparticles (NPs) have received tremendous achievements in the past decade. Developing functional NPs that can be efficiently manipulated inside the human body with a non-invasive tracking modality…

生物物理 · 物理学 2024-10-07 Jiayan Li , Chang Xu , Yingna Chen , Junmei Cao , Wanli Ye , Yu Cheng , Qian Cheng

The magnitude of the relative permittivity of the ferroelectric nematic phase (NF) is under a lively scientific discussion since the phase was recently discovered. Dielectric spectroscopy measurements (DSM) give a huge value of relative…

软凝聚态物质 · 物理学 2024-09-05 Vojko Matko , Ewa Gorecka , Damian Pociecha , Joanna Matraszek , Nataša Vaupotič

Chiral nanomaterials offer intriguing possibilities for novel electronic and chemical applications. Here, we report the discovery of an enantiomer-selective magnetoresistance effect in chiral gold nanocrystals. Based on precise control of…

介观与纳米尺度物理 · 物理学 2025-03-03 Fengxia Wu , Ying Wang , Yufei Zhao , Zhenyu Yang , Yu Tian , Zuoti Xie , Wenxin Niu , Binghai Yan , Cunlan Guo

The use of buried dopants to construct quantum-dot cellular automata is investigated as an alternative to conventional electronic devices for information transport and elementary computation. This provides a limit in terms of…

介观与纳米尺度物理 · 物理学 2007-05-23 Jared H. Cole , Andrew D. Greentree , Cameron J. Wellard , Lloyd C. L. Hollenberg , Steven Prawer

The manipulation of geometrically constrained magnetic domain walls (DWs) in nanoscale magnetic strips has attracted much interest recently, with proposals for prospective memory and logic devices. Here we propose to use the high…

生物物理 · 物理学 2011-03-30 P. Vavassori , M. Gobbi , M. Donolato , V. Metlushko , B. Ilic , M. Cantoni , D. Petti , S. Brivio , R. Bertacco

The loss of neuronal cells in the central nervous system may happen in numerous neurodegenerative illnesses. Alzheimer's Disease (AD) is an intricate, irreversible, dynamic neurodegenerative sickness. It is the main source of age-related…

神经元与认知 · 定量生物学 2016-08-29 Ankur Patel , Grishma joshi , Rupali Ugile

Using low molecular weight chitosan nanoparticles (CNPs) prepared by an ionic gelation method, we report the effect of low-intensity pulsed ultrasound (US) on cell viability and nanoparticle uptake in cultured murine pre-osteoblasts.…

生物大分子 · 定量生物学 2014-06-18 Junyi Wu , Gaojun Liu , Yi-Xian Qin , Yizhi Meng

This study investigates the dynamic control of third-order nonlinear optical absorption properties of gold nanoparticles (AuNPs) dispersed in nematic liquid crystals (LC). By leveraging the reconfigurable nature of liquid crystals under…

软凝聚态物质 · 物理学 2025-02-17 Shengwei Wang , Mohamed Amine Gharbi , Chandra S Yelleswarapu

The electrical conductance through a ring is sensitive to the threading magnetic flux. It contains a component that is periodic with an Aharonov-Bohm (AB) period equal to the quantum flux. In molecular/atomic loops on the nanometer scale,…

材料科学 · 物理学 2007-05-23 Oded Hod , Roi Baer , Eran Rabani

Single domain magnetic nanoparticles (MNP) interacting through dipolar interactions (DDI) in addition to the magnetocrystalline energy may present a low temperature ferromagnetic (SFM) or spin glass (SSG) phase according to the underlying…

介观与纳米尺度物理 · 物理学 2018-10-11 V. Russier , E. Ngo

Two-dimensional (2D) materials can host stable, long-range magnetic phases in the presence of underlying magnetic anisotropy. The ability to realize the full potential of 2D magnets necessitates systematic investigation of the role of…

The amplitude expansion for a magnetic phase-field-crystal (magnetic APFC) model enables a convenient coarse-grained description of crystalline structures under the influence of magnetic fields. Considering higher-order magnetic coupling…

材料科学 · 物理学 2022-11-01 Rainer Backofen , Marco Salvalaglio , Axel Voigt

Materials whose luminescence can be switched by optical stimulation drive technologies ranging from superresolution imaging1-4, nanophotonics5, and optical data storage6-8, to targeted pharmacology, optogenetics, and chemical reactivity9.…

The effect of a high frequency alternating magnetic field on HeLa tumour cells incubated with ferromagnetic nanoparticles of manganese oxide perovskite La0.56(SrCa)0.22MnO3 have been studied. The particles were subjected to a size selection…

Additive Manufacturing (AM) has enabled the fabrication of metallic cellular materials that are of interest in the design of lightweight impact resistant structures. However, there is a need to understand the interactions between: (i) the…

材料科学 · 物理学 2022-12-02 M. Simoes , J. A. Harris , S. Ghouse , P. A. Hooper , G. J. McShane