Results 41 to 50 of about 1,140,700 (298)
Ultrastructural aspects of pseudoxanthoma elasticum [PDF]
: We report the ultrastructural findings in a case of a 72-year-old black woman with confluent yellowish papules in the cervical region. She had no comorbidities.
Hiram Larangeira de Almeida Jr. +3 more
doaj +1 more source
Spin-polarized scanning electron microscopy [PDF]
Spin-polarized scanning electron microscopy (spin-SEM) is a magnetic domain observation method. In spin-SEM, polarization of secondary electrons emitted from a sample in a scanning electron microscope is detected by a spin detector and used as a signal for forming an image. The characteristics of spin-SEM are detection of all three magnetization vector
openaire +3 more sources
Biomass derived mesoporous carbon monoliths via an evaporation-induced self-assembly [PDF]
Evaporation-induced self-assembly has been applied in the synthesis of crack-free mesoporous carbon monolith with good mechanical stability using a waste plant material as carbon precursor and triblock copolymer F127 as template.
Elaigwu, Sunday E., Greenway, Gillian M.
core +1 more source
Microscopy of glazed layers formed during high temperature sliding wear at 750C [PDF]
The evolution of microstructures in the glazed layer formed during high temperature sliding wear of Nimonic 80A against Stellite 6 at 750 ◦C using a speed of 0.314ms−1 under a load of 7N has been investigated using scanning electron microscopy (SEM ...
Burnell-Gary, J. S. +4 more
core +1 more source
Methanol fixation for scanning electron microscopy of plants
Plant specimens for scanning electron microscopy (SEM) are commonly treated using standard protocols. Conventional fixatives consist of toxic chemicals such as glutaraldehyde, paraformaldehyde, and osmium tetroxide.
Ki Woo Kim
doaj +1 more source
Low voltage scanning electron microscopy [PDF]
SUMMARYThe scanning electron microscope (SEM) is usually operated with a beam voltage, V0, in the range of 10–30 kV, even though many early workers had suggested the use of lower voltages to increase topographic contrast and to reduce specimen charging and beam damage. The chief reason for this contradiction is poor instrumental performance when V0=1–3
openaire +3 more sources
Scanning electron microscopy of cold gases
Ultracold quantum gases offer unique possibilities to study interacting many-body quantum systems. Probing and manipulating such systems with ever increasing degree of control requires novel experimental techniques. Scanning electron microscopy is a high
Ott, Herwig, Santra, Bodhaditya
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Cryoprotection of porcine cornea: a scanning electron microscopy study
Porcine corneas were frozen with Me2SO, glycerol, 1,2-propanediol and PEG-400. The effects of the range of concentrations (5% and 10%) and temperature regimen (1ºC/min and 5ºC/min) were investigated.
A. Neronov +4 more
doaj +1 more source
4D Scanning Ultrafast Electron Microscopy: Visualization of Materials Surface Dynamics [PDF]
The continuous electron beam of conventional scanning electron microscopes (SEM) limits the temporal resolution required for the study of ultrafast dynamics of materials surfaces. Here, we report the development of scanning ultrafast electron microscopy (
Mohammed, Omar F. +3 more
core +1 more source
AbstractScanning electron microscopy (SEM) remains distinct in its ability to allow topographical visualization of structures. Key elements to consider for successful examination of biological specimens include appropriate preparative and imaging techniques.
Elizabeth R. Fischer +5 more
openaire +2 more sources

