Results 41 to 50 of about 4,206,325 (282)

Magnetic-Dielectric Cantilevers for Atomic Force Microscopy

open access: yesNanomaterials
Atomic force microscopy (AFM) is a technique that relies on detecting forces at the nanonewton scale. It involves using a cantilever with a tiny tip at one end. This tip interacts with the short- and long-range forces of material surfaces.
Gala Sanchez-Seguame   +7 more
doaj   +1 more source

Drug-Release Mechanisms Elucidated by Imaging Techniques: Visualizing the Invisible!

open access: yesPharmaceutics, 2022
Imaging techniques such as Raman spectroscopy, electron microscopy, laser scanning confocal microscopy, atomic force microscopy, tomography, magnetic resonance imaging, and terahertz are powerful tools to elucidate drug-release mechanisms from different ...
Susanne Florin-Muschert
doaj   +1 more source

Magnetic resonance force microscopy with a permanent magnet on the cantilever [PDF]

open access: yesIEEE Transactions on Magnetics, 1997
When the variation of the bias field is on the order of a few hundred gauss, permanent magnetic microparticles of Nd/sub 2/Fe/sub 14/B (NdFeB) mounted on atomic force microscopy (AFM) cantilevers generate much smaller nonresonance (NR) signals in the magnetic resonance force microscopy (MRFM) spectra than most soft magnetic thin films.
Zhang, Z., Hammel, P. C.
openaire   +1 more source

Reduction of magnetic noise in magnetic resonance force microscopy [PDF]

open access: yesPhysical Review B, 2004
We study the opportunity to reduce a magnetic noise produced by a uniform cantilever with a ferromagnetic particle in magnetic resonance force microscopy (MRFM) applications. We demonstrate theoretically a significant reduction of magnetic noise and the corresponding increase of the MRFM relaxation time using a nonuniform cantilever.
Berman, G. P.   +2 more
openaire   +2 more sources

AFM and MFM techniques for enzyme activity imaging and quantification

open access: yesBiotechnology & Biotechnological Equipment, 2018
In this work, a new approach for enzyme activity monitoring is suggested. It is based on the real-time imaging, by atomic force microscopy (AFM) and magnetic force microscopy (MFM), of the degradation of a nanoparticles-loaded enzyme responsive layer ...
Michelle Arredondo   +3 more
doaj   +1 more source

Peripheral lysosomes recruit PLEKHG3 to focal adhesions and restrain protrusion dynamics

open access: yesFEBS Letters, EarlyView.
Proximity‐dependent labeling at the LAMTOR complex revealed the Rho GEF PLEKHG3 as a lysosome‐proximal protein directing the study toward the influence of lysosome positioning on actin dynamics and cell motility. We show that PLEKHG3 colocalizes with lysosomes at focal adhesion sites and observe that forced peripheral dispersion of lysosomes hinders ...
Rainer Ettelt   +8 more
wiley   +1 more source

Golgi enzymes are retrieved from the plasma membrane to the trans‐Golgi network

open access: yesFEBS Letters, EarlyView.
Golgi enzymes are traditionally considered resident proteins retained within the Golgi apparatus. Here, we demonstrate that a subset transiently reaches the cell surface and is subsequently retrieved to the trans‐Golgi network via retrograde transport. Using a nanobody‐based toolkit, we uncover a dynamic trafficking cycle of several Golgi enzymes.
Dominik P. Buser, Tina Junne
wiley   +1 more source

qPlus magnetic force microscopy in frequency-modulation mode with millihertz resolution

open access: yesBeilstein Journal of Nanotechnology, 2012
Magnetic force microscopy (MFM) allows one to image the domain structure of ferromagnetic samples by probing the dipole forces between a magnetic probe tip and a magnetic sample. The magnetic domain structure of the sample depends on the alignment of the
Maximilian Schneiderbauer   +2 more
doaj   +1 more source

Observation of interacting Josephson vortex chains by magnetic force microscopy

open access: yesPhysical Review Research, 2020
The ability to control Josephson vortices is instrumental for development of superconducting cryoelectronics. However, direct visualization of multivortex states in Josephson junctions is a challenging task.
Sergey Yu. Grebenchuk   +8 more
doaj   +1 more source

Synergistic perspectives—How single‐molecule biophysics complement biochemical understanding

open access: yesFEBS Letters, EarlyView.
In this review, we discuss how ensemble biochemistry and single‐molecule approaches are complementary, outline commonly used single‐molecule techniques, and illustrate their relevance through two representative case studies: chromatin organization by SMC complexes and pathway choice during DNA double‐strand break repair.
Sara De Bragança   +2 more
wiley   +1 more source

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