Results 1 to 10 of about 334,680 (195)

Secondary ion mass spectrometry imaging of Dictyostelium discoideum aggregation streams. [PDF]

open access: yesPLoS ONE, 2014
High resolution imaging mass spectrometry could become a valuable tool for cell and developmental biology, but both, high spatial and mass spectral resolution are needed to enable this.
John Daniel DeBord   +6 more
doaj   +8 more sources

Cluster secondary ion mass spectrometry microscope mode mass spectrometry imaging [PDF]

open access: yesRapid Communications in Mass Spectrometry, 2013
RATIONALE Microscope mode imaging for secondary ion mass spectrometry is a technique with the promise of simultaneous high spatial resolution and high‐speed imaging of biomolecules from complex surfaces. Technological developments such as new position‐sensitive detectors, in combination with polyatomic primary ...
Kiss, A.   +3 more
core   +8 more sources

An algorithm for U–Pb geochronology by secondary ion mass spectrometry [PDF]

open access: yesGeochronology, 2022
Secondary ion mass spectrometry (SIMS) is a widely used technique for in situ U–Pb geochronology of accessory minerals. Existing algorithms for SIMS data reduction and error propagation make a number of simplifying assumptions that degrade the precision
P. Vermeesch
doaj   +1 more source

Identification of New Psychoactive Tryptamines 4-OH-MET and 4-AcO-DMT Using High Resolution Mass Spectrometry and Nuclear Magnetic Resonance Spectroscopy [PDF]

open access: yesFayixue Zazhi, 2021
Objective To detect the uncontrolled new psychoactive tryptamines involved in drug-related cases with high resolution mass spectrometry and nuclear magnetic resonance spectroscopy.
DING Ke-ran, NI Chun-fang, HE Si-yang, et al.
doaj   +1 more source

Secondary ion mass spectrometry [PDF]

open access: yesNature Reviews Methods Primers
Secondary ion mass spectrometry (SIMS) is a technique used to analyse the composition of solid surfaces and thin films by sputtering the surface of the specimen with a primary ion beam and collecting and analysing ejected secondary ions. The technique has been applied to quality assurance in semiconductor manufacture, in forensics for enhancement of ...
Nicholas P. Lockyer   +7 more
  +6 more sources

Triple Oxygen Isotope Measurements by Multi-Collector Secondary Ion Mass Spectrometry

open access: yesFrontiers in Earth Science, 2021
Secondary ion mass spectrometry (SIMS) is a powerful technique for in situ triple oxygen isotope measurements that has been used for more than 30 years. Since pioneering works performed on small-radius ion microprobes in the mid-80s, tremendous progress ...
Nordine Bouden   +9 more
doaj   +1 more source

Effectiveness of Wavelet Denoising on Secondary Ion Mass Spectrometry Signals

open access: yesEast European Journal of Physics, 2023
Wavelet theory has already achieved huge success. For Secondary Ions Mass Spectrometry (SIMS) signals, denoising the secondary signal, which is altered by the measurement, is considered that an essential step prior to applying such a signal processing ...
Nadia Dahraoui   +4 more
doaj   +1 more source

Gold-Conjugated Nanobodies for Targeted Imaging Using High-Resolution Secondary Ion Mass Spectrometry

open access: yesNanomaterials, 2021
Nanoscale imaging with the ability to identify cellular organelles and protein complexes has been a highly challenging subject in the secondary ion mass spectrometry (SIMS) of biological samples.
Paola Agüi-Gonzalez   +3 more
doaj   +1 more source

The application of mass spectrometry imaging in traditional Chinese medicine: a review

open access: yesChinese Medicine, 2022
Mass spectrometry imaging is a frontier technique which connects classical mass spectrometry with ion imaging. Various types of chemicals could be visualized in their native tissues using mass spectrometry imaging.
Lieyan Huang   +7 more
doaj   +1 more source

Helium ion microscope – secondary ion mass spectrometry for geological materials

open access: yesBeilstein Journal of Nanotechnology, 2020
The helium ion microscope (HIM) is a focussed ion beam instrument with unprecedented spatial resolution for secondary electron imaging but has traditionally lacked microanalytical capabilities.
Matthew R. Ball   +5 more
doaj   +1 more source

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