Results 21 to 30 of about 11,358 (214)

Use of electron microscopy to study platelets and thrombi

Platelets, 2020
Electron microscopy has been a valuable tool for the study of platelet biology and thrombosis for more than 70 years. Early studies using conventional transmission and scanning electron microscopy (EM) provided a foundation for our initial understanding ...
Maurizio Tomaiuolo, Rustem I. Litvinov, John W. Weisel, Timothy J. Stalker   +3 more
doaj   +1 more source

Recent breakthroughs in scanning transmission electron microscopy of small species

Advances in Physics: X, 2018
Over the last decade, scanning transmission electron microscopy has become one of the most powerful tools to characterise nanomaterials at the atomic scale.
Karel Hendrik Wouter van den Bos, Thomas Altantzis, Annick De Backer, Sandra Van Aert, Sara Bals   +4 more
doaj   +1 more source

Cathodoluminescence of silicon doped aluminum nitride with scanning transmission electron microscopy

APL Materials, 2020
Here, we apply cathodoluminescence in scanning transmission electron microscopy to infer the influence of dislocation strain fields on the formation of point defect complexes in Si doped AlN. In addition to identifying non-radiative recombination centers,
Matthew R. Hauwiller, David Stowe, Timothy B. Eldred, Seiji Mita, Ramon Collazo, Zlatko Sitar, James LeBeau   +6 more
doaj   +1 more source

Revealing the assembly of filamentous proteins with scanning transmission electron microscopy.

PLoS ONE, 2019
Filamentous proteins are responsible for the superior mechanical strength of our cells and tissues. The remarkable mechanical properties of protein filaments are tied to their complex molecular packing structure.
Cristina Martinez-Torres, Federica Burla, Celine Alkemade, Gijsje H Koenderink   +3 more
doaj   +1 more source

Analysis and applications of a heralded electron source

New Journal of Physics
We analytically describe the noise properties of a heralded electron source made from a standard electron gun, a weak photonic coupler, a single photon counter, and an electron energy filter.
Stewart A Koppell, John W Simonaitis, Maurice A R Krielaart, William P Putnam, Karl K Berggren, Phillip D Keathley   +5 more
doaj   +1 more source

Advanced characterizations of nanoparticles for drug delivery: investigating their properties through the techniques used in their evaluations

Nanotechnology Reviews, 2017
Nanomedicine has achieved a huge success in delivering a wide variety of drug molecules into the target site of the body. In this respect, the characterization of nanoformulation is very important to investigate the drug molecule together with its ...
Mahmood Syed, Mandal Uttam Kumar, Chatterjee Bappaditya, Taher Muhammad   +3 more
doaj   +1 more source

Biological Scanning Transmission Electron Microscopy: Imaging and Single Molecule Mass Determination

CHIMIA, 2006
Scanning transmission electron microscopes can both measure the mass of single protein complexes and take amazingly clear images thereof, offering a wide range of applications in structural biology. The principle of mass measurement is presented
Shirley A. Müller, Andreas Engel
doaj   +1 more source

Organizing the interface—Plasma membrane architecture and receptor dynamics in virus‐cell interactions

FEBS Letters, EarlyView.
Plasma membranes contain dynamic nanoscale domains that organize lipids and receptors. Because viruses operate at similar scales, this architecture shapes early infection steps, including attachment, receptor engagement, and entry. Using influenza A virus and HIV‐1 as examples, we highlight how receptor nanoclusters, multivalent glycan interactions ...
Jan Schlegel, Christian Sieben
wiley   +1 more source

UiO‐66 metal–organic frameworks in biomedicine: From structural tunability to bioimaging, photodiagnostics, and photodynamic cancer therapy

FEBS Open Bio, EarlyView.
UiO‐66(Zr) metal–organic frameworks are chemically stable, biocompatible, and highly tunable nanomaterials. Their modular structure enables controlled drug delivery, multimodal bioimaging, and light‐activated photodynamic therapy, supporting integrated diagnostic and therapeutic (theranostic) applications in cancer and biomedical research.
Veronika Huntošová, Grigorii Rakhalskii, Miroslav Almáši   +2 more
wiley   +1 more source

Optimizing photoexcitation conditions for time‐resolved X‐ray solution scattering experiments

FEBS Open Bio, EarlyView.
Time‐resolved X‐ray solution scattering (TR‐XSS) is a powerful technique to visualize how proteins change their structure in real time after light activation. Selecting the right laser photoexcitation conditions—fluence, excitation geometry, and sample refresh rate—is critical to maximize the experimental signal while avoiding unwanted side effects ...
Matteo Levantino
wiley   +1 more source