Fluorescent Target Array
Fluorescent Target Array - Related Videos
12:09
The Use of Fluorescent Target Arrays for Assessment of T Cell Responses In vivo
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Cited by 12 •
2014
The ability to monitor T cell responses in detail in vivo is important for the development of our understanding of the immune response. Here we describe the use of fluorescent target arrays (FTAs) in an in vivo T cell assay that assesses >250 parameters simultaneously by flow cytometry.
13:36
Scalable Fluidic Injector Arrays for Viral Targeting of Intact 3-D Brain Circuits
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Cited by 10 •
2010
Controlling and analyzing neural circuits in vivo would be facilitated by a technology for delivery of viruses and other reagents to desired 3-dimensional sets of brain regions. We demonstrate customized fluidic injector array fabrication, and delivery of virally-encoded optical sensitizers, enabling optical manipulation of complex brain circuits.
09:16
Array Comparative Genomic Hybridization (Array CGH) for Detection of Genomic Copy Number Variants
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Cited by 7 •
2015
Array CGH for the detection of genomic copy number variants has replaced G-banded karyotype analysis. This paper describes the technology and its application in a diagnostic service laboratory.
09:47
Array Tomography Workflow for the Targeted Acquisition of Volume Information using Scanning Electron Microscopy
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Cited by 16 •
2021
We describe the preparation of ribbons of serial sections and their collection on large transfer support for use as Array Tomography samples, along with automated imaging procedures in a scanning electron microscope. The protocol allows screening, retrieval, and targeted imaging of local, rare events, and the acquisition of large data volumes.
10:36
In Vitro Imaging and Quantification of the Drug Targeting Efficiency of Fluorescently Labeled GnRH Analogues
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Cited by 1 •
2017
Selectively labeled fluorescent GnRH-I, -II and -III derivatives are reliable tools for tracking and quantifying their cellular uptake. This manuscript introduces experiments to visualize, quantify and compare the uptake efficiency of these GnRH conjugates in various cell lines.
FAQs
The position of a fluorescent signal identifies which arranged target was recognized, while its intensity indicates the strength of the detected signal for that target. Examining both features creates a binding pattern across the array rather than a single antibody measurement. Researchers can compare these patterns among samples to distinguish differences in immune recognition.
Defined target positions allow many antigen or biological target interactions to be read separately within the same assay. Because each signal remains linked to a known location, researchers can associate antibody binding with particular pathogen targets, vaccine antigens, or disease-associated molecules. This organization supports parallel profiling and direct comparison across the target set.
Fluorescent labels make bound antibodies visible after the sample interacts with the arranged targets. The resulting fluorescence provides the readout used to determine whether immune molecules recognized specific targets. Since the label is detected at defined array locations, it connects visual or measured signal patterns with the corresponding antigen or other biological molecule.
Samples may produce different combinations of recognized targets and different signal intensities across the same array. Comparing these patterns can show whether antibody responses are broad, narrow, or focused on particular pathogen or vaccine-related targets, as supported by the assay design. This comparative view is useful for characterizing infection-related immunity and responses to vaccination.
A typical workflow places target antigens at defined positions on a surface, adds a patient or experimental sample, and allows relevant immune interactions to occur. Bound antibodies are then revealed with fluorescent labels, and the locations and intensities of the signals are examined. The resulting pattern provides the basis for comparing antibody recognition across targets or samples.
Researchers can apply fluorescent target arrays when they need to profile antibody responses against multiple pathogen targets, vaccine antigens, or disease-associated molecules using a small sample. The method supports infection characterization, immune monitoring, and searches for candidate biomarkers. Its multiplex format is especially relevant when comparing several immune targets within the same experimental investigation.