Sub-millimeter Resolution
Sub-millimeter Resolution - Related Videos
06:06
Sediment Core Extrusion Method at Millimeter Resolution Using a Calibrated, Threaded-rod
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Cited by 21 •
2016
An extrusion method using a calibrated threaded-rod is presented, which allows for mm scale subsampling of aquatic sediment cores. Millimeter-scale sampling is necessary to fully characterize recent event stratigraphy in sediment records.
11:25
A Millimeter Scale Flexural Testing System for Measuring the Mechanical Properties of Marine Sponge Spicules
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Cited by 4 •
2017
We present a protocol for performing three-point bending tests on sub-millimeter scale fibers using a custom-built mechanical testing device. The device can measure forces ranging from 20 µN up to 10 N and can therefore accommodate a variety of fiber sizes.
08:39
Assessing Cortical Cerebral Microinfarcts on High Resolution MR Images
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Cited by 24 •
2015
A high resolution ex vivo 7T MR imaging protocol is presented, to perform MR-guided histopathological validation of microvascular pathology in post-mortem human brain tissue. Furthermore, guidelines are provided for the assessment of cortical microinfarcts on in vivo 7T as well as 3T MR images.
08:31
Three-dimensional Optical-resolution Photoacoustic Microscopy
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Cited by 27 •
2011
Optical-resolution photoacoustic microscopy (OR-PAM) is an emerging technology capable of imaging optical absorption contrasts in vivo with cellular resolution and sensitivity. Here, we provide a visualized instruction on the experimental protocols of OR-PAM, including system configuration, system alignment, typical in vivo experimental procedures, and functional imaging schemes.
01:15
Chromatographic Resolution
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2024
In chromatography, a solute moves through a chromatographic column and tends to spread, forming a Gaussian-shaped band. The longer the solute spends in the column, the broader the band becomes. The broadening can lead to overlaps within the column, affecting separation effectiveness. The effectiveness of separation can be evaluated by determining the level of separation between two neighboring peaks in a chromatogram, which represents the individual components of a sample. In chromatography,...
FAQs
Sub-millimeter resolution depends on several linked measurement properties rather than a single instrument setting. Spatial sampling determines how finely an area is represented, while signal quality affects whether adjacent details can be separated. Optics or sensor geometry and calibration then influence the smallest detail that can be resolved under the conditions of a particular environmental measurement.
The relevant resolution can change because the smallest separable detail is evaluated under specific measurement conditions. Variations in signal quality, spatial sampling, optics or sensor geometry, and calibration can therefore alter whether nearby environmental features appear distinct. Reporting those conditions helps interpret measurements accurately and prevents a resolution value from being treated as universally applicable.
Fine-scale environmental measurements are especially useful where important variation occurs over short distances. They can characterize surface texture, sediment or soil structure, small organisms, particles, and narrow spatial gradients. That detail supports closer examination of localized habitat conditions and transport or erosion processes, rather than averaging those features into a coarser observation.
An environmental workflow begins by selecting spatial sampling and sensor or optical geometry suited to the feature being measured. Researchers then consider signal quality, apply calibration, and determine the smallest separable detail under the actual measurement conditions. This evaluation links the reported resolution to the observation itself, making results more useful for analysis and comparison.
Sub-millimeter resolution is most valuable when the research question depends on localized environmental structure rather than broad spatial averages. Examples include examining habitat features, sediment or soil organization, particles, small organisms, and fine transport or erosion patterns. In these settings, resolving short-range variation can improve characterization of processes that coarser observations may obscure.
Measurements at this scale can support model validation by providing observations against which predicted environmental structure is compared. They also enable more informative comparisons of environmental change over time, provided the measurement conditions and calibration are sufficiently considered. This makes fine-resolution data useful not only for description, but also for evaluating model performance and temporal patterns.