Handheld Probe
Handheld Probe - Related Videos
05:40
Handheld Device for Saliva Pretreatment to Improve Cortisol Detection
0 Views •
2026
This protocol describes a rapid saliva pretreatment method for improving cortisol detection. A handheld filtration device is used to remove mucins and other interfering substances while preserving the target analyte. The pretreated saliva exhibits improved capillary flow, thereby enabling more consistent and reproducible assay performance.
07:22
Measuring the Motor Aspect of Cancer-Related Fatigue using a Handheld Dynamometer
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Cited by 2 •
2020
Simple and accessible methods were developed to measure the motor aspect of cancer-related fatigue objectively and quantitatively. We describe, in detail, ways to administer the physical fatigue test using a simple handgrip device as well as methods to calculate fatigue indices.
05:38
Custom-made Microdialysis Probe Design
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Cited by 9 •
2015
Microdialysis is a commonly used technique in neuroscience research. Therefore commercial probes are in great demand.In this work a probe assembly is explained in detail to build a reliable, concentric, custom-made microdialysis probe for less than $10.
13:58
Probing C84-embedded Si Substrate Using Scanning Probe Microscopy and Molecular Dynamics
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Cited by 1 •
2016
This paper reports the nanomaterial fabrication of a fullerene Si substrate inspected and verified by nanomeasurements and molecular dynamic simulation.
12:03
Manual Construction of a Tissue Microarray using the Tape Method and a Handheld Microarrayer
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Cited by 5 •
2022
This protocol outlines the tape method on how to manually construct a tissue microarray using FFPE donor blocks of differing depths.
FAQs
The sensing tip or transducer responds to a local interaction, such as pressure, temperature change, electrical activity, or molecular recognition. That response is converted into a readable signal for interpretation. The relevant interaction depends on the property being studied, allowing one probe format to support measurements of biological materials, tissues, or fluids without requiring a large fixed instrument.
A handheld probe can be configured around different types of measurable interaction. Mechanical contact may reveal pressure, thermal response may indicate temperature change, and electrical sensing may capture physiological activity. Molecular recognition provides another route for detecting biological properties. These alternatives let researchers match the sensing mechanism to the sample and the measurement objective.
Localized measurement connects the recorded signal to a specific position in a sample, tissue, or fluid. This can help characterize spatially varying biological materials or monitor a selected physiological site rather than averaging conditions across a larger region. Because the instrument can approach or contact the target directly, analysis may remain minimally disruptive while still producing real-time information.
First, the user selects a sensing tip or transducer suited to the property of interest. The probe is then brought into contact with, or positioned near, the sample, tissue, or fluid. The resulting interaction is converted into a readable signal, which can be examined as a localized measurement for characterization or physiological monitoring.
Portability becomes valuable when measurements must occur rapidly, at a specific location, or outside a conventional laboratory. In bioengineering, this includes laboratory studies, clinical settings, and field work where access to real-time data can support diagnostics, device development, or experimental research. Its compact design also helps reduce disruption during localized analysis.
Measurements can provide information about biological materials and physiological conditions, depending on the sensing interaction used. In research, those data may support material characterization, monitoring, diagnostic assessment, or development of bioengineering devices. The main practical outcome is access to localized, real-time measurements that can inform decisions during experiments or evaluations.