Results 21 to 30 of about 20,232 (192)
Frontiers in Plant Science, 2022 BackgroundUnderstanding the spatial distribution of active compounds can effectively evaluate the quality of decoction pieces of traditional Chinese medicine (TCM).
Fan He +12 more
doaj +1 more source
Bioengineering & Translational Medicine, 2021 Time‐of‐flight secondary ion mass spectrometry (TOF‐SIMS) is an imaging‐based analytical technique that can characterize the surfaces of biomaterials.
Kookrae Cho +6 more
doaj +1 more source
Imaging of crystalline and amorphous surface regions using time-of-flight secondary-ion mass spectrometry (ToF-SIMS): application to pharmaceutical materials [PDF]
, 2016 The structure of a material, in particular the extremes of crystalline and amorphous forms, significantly impacts material performance in numerous sectors such as semiconductors, energy storage, and pharmaceutical products, which are investigated in this
Alexander, Morgan R. +5 more
core +3 more sources
Applications of ToF-SIMS in Surface Chemistry Analysis of Lignocellulosic Biomass: A Review
BioResources, 2016 Time-of-flight secondary-ion mass spectrometry (ToF-SIMS) is an advanced surface-sensitive technique that can provide both spectral and imaging information about materials. Recently, ToF-SIMS has been used for advanced studies of lignocellulosic biomass.
Hong Yan Mou, Shubin Wu, Pedro Fardim
doaj +1 more source
Applied Sciences, 2022 The self-assembled monolayers (SAMs) of organosilanes formed on an oxide substrate are thought to have a polymerized –Si–O–Si– network due to the homocondensation of silanols of hydrolyzed silane headgroups, which is the most significant difference in ...
Heng-Yong Nie +1 more
doaj +1 more source
Discrimination of prostate cancer cells and non-malignant cells using secondary ion mass spectrometry [PDF]
, 2008 This communication utilises Time-of-Flight Secondary Ion Mass Spectrometry (ToF-SIMS) combined with multivariate analysis to obtain spectra from the surfaces of three closely related cell lines allowing their discrimination based upon mass spectral ...
Baker, Matthew James +5 more
core +1 more source
Preparation of Nanoparticles for ToF-SIMS and XPS Analysis [PDF]
Journal of Visualized Experiments, 2020 Nanoparticles have gained increasing attention in recent years due to their potential and application in different fields including medicine, cosmetics, chemistry, and their potential to enable advanced materials. To effectively understand and regulate the physico-chemical properties and potential adverse effects of nanoparticles, validated measurement
Bennet, Francesca +7 more
openaire +2 more sources
Analysis of COSIMA spectra: Bayesian approach [PDF]
Geoscientific Instrumentation, Methods and Data Systems, 2015 We describe the use of Bayesian analysis methods applied to time-of-flight secondary ion mass spectrometer (TOF-SIMS) spectra. The method is applied to the COmetary Secondary Ion Mass Analyzer (COSIMA) TOF-SIMS mass spectra where the analysis can be ...
H. J. Lehto +8 more
doaj +1 more source
The role of a diffusion barrier in plasma display panel with the high gamma cathode layer [PDF]
, 2011 Plasma display panel (PDP) with MgO-SrO double cathode layer and SiO(2) diffusion barrier is proposed to make the SrO layer free of contaminations. Time of flight-secondary ion mass spectrometry (TOF-SIMS) analysis shows the diffusion of impurities, like
Cheong, Hee-Woon +5 more
core +1 more source
SIMS Studies of Allende Projectiles Fired into Stardust-type Aluminum Foils at 6 km/s [PDF]
, 2006 We have explored the feasibility of C-, N-, and O-isotopic measurements by NanoSIMS and of elemental abundance determinations by TOF-SIMS on residues of Allende projectiles that impacted Stardust-type aluminum foils in the laboratory at 6 km/s.
Floss, Christine +6 more
core +2 more sources