Capture Probe
Capture Probe - Related Videos
02:14
Prey Capture Assay: A Method to Study the Prey Capture Behavior of Zebrafish Larva
0 Views •
2023
This video describes the prey capture assay. The video discusses the method to study prey capture behavior of zebrafish larvae after the laser ablation of specific neurons.
13:58
Probing C84-embedded Si Substrate Using Scanning Probe Microscopy and Molecular Dynamics
0 Views •
Cited by 1 •
2016
This paper reports the nanomaterial fabrication of a fullerene Si substrate inspected and verified by nanomeasurements and molecular dynamic simulation.
11:29
Investigation of Synaptic Tagging/Capture and Cross-capture using Acute Hippocampal Slices from Rodents
0 Views •
Cited by 52 •
2015
This video article describes experimental procedures to study long-term plasticity and its associative processes such as synaptic tagging, capture and cross-tagging in the CA1 pyramidal neurons using acute hippocampal slices from rodents.
02:22
Positioning Laser Doppler Probe: A Technique to Implant Probe Over Middle Cerebral Artery for Blood Flow Measurement in Murine Model
0 Views •
2025
This video describes the surgical procedure to immobilize the laser Doppler probe over the murine brain's middle cerebral artery, or MCA. The probe helps to measure the blood flow in the brain's microvasculature by measuring the Doppler shift caused due to the motion of red blood cells within the artery.
29:02
Cell Capture Using a Microfluidic Device
0 Views •
Cited by 1 •
2007
FAQs
Performance depends on the affinity interaction selected for the target. Nucleic acid probes can rely on complementary base pairing, whereas protein capture can use antibody-antigen recognition. These mechanisms determine which molecules remain associated with the probe when a complex sample passes through the system, directly affecting selectivity and the usefulness of the recovered signal.
Immobilization places the recognition molecule on a surface, allowing the sample to contact it while unbound material is removed. This arrangement supports target retention and enrichment, but the probe’s design still influences how effectively binding occurs. In bioengineering devices, surface-based capture can therefore affect sensitivity, specificity, stability, and the quality of subsequent analysis.
The target determines which molecular interaction can provide selective retention. Complementary base pairing is relevant when the target is a nucleic acid, while antibody-antigen binding can support protein recognition. Cells may also be captured through other affinity interactions. Matching the probe chemistry to the target helps distinguish the desired material from components in a complex sample.
Probe design affects three linked outcomes: sensitivity, specificity, and stability. A suitable recognition interaction must retain the intended target strongly enough for detection or enrichment while limiting unwanted binding from the surrounding sample. The probe must also remain functional in the chosen device or assay. These properties determine whether the system produces reliable analytical or purification results.
A typical workflow incorporates the probe into a device or immobilizes it on a surface, introduces a sample, and allows the target to bind through the selected affinity interaction. Unbound material is then removed, leaving retained target for detection, purification, or analysis. This sequence converts selective recognition into measurable enrichment or target isolation.
Capture probes support several bioengineering formats, including biosensors, diagnostic assays, affinity purification, and microfluidic systems. In these settings, selective retention can improve target enrichment or make detection possible within a complex sample. The same design principles also provide context for engineered biological systems, where probe performance influences how reliably a device analyzes or handles biological material.