Surface Analysis Techniques
Surface Analysis Techniques - Related Videos
14:11
Quantification of Hydrogen Concentrations in Surface and Interface Layers and Bulk Materials through Depth Profiling with Nuclear Reaction Analysis
0 Views •
Cited by 21 •
2016
We illustrate the application of 1H(15N,αγ)12C resonant nuclear reaction analysis (NRA) to quantitatively evaluate the density of hydrogen atoms on the surface, in the volume, and at an interfacial layer of solid materials. The near-surface hydrogen depth profiling of a Pd(110) single crystal and of SiO2/Si(100) stacks is described.
10:16
Protocol for Microplastics Sampling on the Sea Surface and Sample Analysis
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Cited by 186 •
2016
The protocol below describes the methodology for: microplastics sampling on the sea surface, separation of microplastic and chemical identification of particles. This protocol is in line with the recommendations for microplastics monitoring published by the MSFD Technical Subgroup on Marine Litter.
10:14
Automated Robotic Dispensing Technique for Surface Guidance and Bioprinting of Cells
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Cited by 9 •
2016
This protocol describes a bioprinting methodology using an automated robotic depositing system that incorporates etched topographical guidance cues with the precision deposition of a cell bearing hydrogel bioink. The printed cells are directly delivered to the etched features and are able to sense and orientate with them.
09:56
A Stepwise Guide to the Isolation and Analysis of Leaf Surface and Apoplastic RNA Using Arabidopsis Rosettes
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2025
We describe a simple yet highly reproducible method to isolate extracellular RNA from the leaf surface and apoplast of Arabidopsis plants.
09:39
Techniques for the Analysis of Extracellular Vesicles Using Flow Cytometry
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Cited by 31 •
2015
Many different methods exist for the measurement of extracellular vesicles (EVs) using flow cytometry (FCM). Several aspects should be considered when determining the most appropriate method to use. Two protocols for measuring EVs are presented, using either individual detection or a bead-based approach.
FAQs
Each approach detects a different response from the material, such as emitted electrons, reflected radiation, sputtered species, or changes in topography. That response determines whether the result emphasizes chemical composition, structure, morphology, or electronic properties. Selecting the signal that matches the research question helps connect measured surface behavior with the material property being investigated.
The outermost region is where a material first interacts with its environment, so its composition and structure can influence subsequent behavior. Surface analysis can therefore identify oxidation states, functional groups, elemental distributions, and nanoscale texture that may differ from the material’s broader composition. These observations help explain performance at interfaces and exposed material boundaries.
The techniques differ mainly in the physical interaction used for probing and the signal measured afterward. Methods based on light, electrons, ions, or scanning tips can emphasize chemical identity, electronic behavior, spatial distribution, or surface texture. Comparing these capabilities allows chemists to choose an approach suited to composition, morphology, structure, or electronic-property questions.
Researchers should begin with the property they need to assess, such as oxidation state, functional groups, elemental distribution, nanoscale texture, or electronic behavior. They can then select a method whose probe and measured signal address that property. This question-driven choice is especially useful when studying catalysis, corrosion, coatings, adsorption, or material interfaces.
In catalysis and adsorption studies, these methods can characterize the chemical and physical features of the exposed material where interactions occur. Measurements may reveal oxidation states, functional groups, elemental distributions, or surface texture. Linking those observations to material performance helps researchers examine how the surface participates in environmental interactions and chemical processes.
Surface analysis supports investigations of corrosion, coatings, and interfaces by examining the properties of the regions directly involved in contact with the surrounding environment or another material. Chemical composition, structure, morphology, and electronic properties can be related to observed performance. This provides a chemistry-based way to study how surface characteristics influence material behavior.