Membrane Feeding Unit
Membrane Feeding Unit - Related Videos
08:53
Tick Artificial Membrane Feeding for Ixodes scapularis
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Cited by 4 •
2022
Presented here is a method to blood feed ticks in vitro via an artificial membrane system to allow for partial or full engorgement of a variety of tick life stages.
02:13
Feeding Test: Assessment of Feeding Preferences in Drosophila melanogaster
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2023
This video describes a feeding assay for fruit flies in which colored food is used to monitor feeding and the effect added compounds may have on feeding activity. The example protocol tests the effects of several endocrine disrupting chemicals (EDC).
11:30
High-fat Feeding Paradigm for Larval Zebrafish: Feeding, Live Imaging, and Quantification of Food Intake
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Cited by 19 •
2016
Zebrafish are emerging as a valuable model of dietary lipid processing and metabolic disease. Described are protocols of lipid-rich larval feeds, live imaging of dietary fluorescent lipid analogs, and quantification of food intake. These techniques can be applied to a variety of screening, imaging, and hypothesis driven inquiry techniques.
09:23
Plasmodium falciparum Gametocyte Culture and Mosquito Infection Through Artificial Membrane Feeding
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Cited by 68 •
2020
Detailed investigations on mosquito stages of malaria parasites are critical to design effective transmission blocking strategies. This protocol demonstrates how to effectively culture infectious gametocytes and then feed these gametocytes to mosquitoes to generate mosquito stages of P. falciparum.
03:38
Measurement: Standard Units
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2020
Every measurement provides three kinds of information: the size or magnitude of the measurement (a number), a standard of comparison for the measurement (a unit), and an indication of the uncertainty of the measurement. While the number and unit are explicitly represented when a quantity is written, the uncertainty is an aspect of the errors in the measurement results. The number in the measurement can be represented in different ways, including decimal form and scientific notation, which is...
FAQs
Temperature control helps present blood under conditions that support feeding by the target arthropods. The unit may circulate or hold warmed blood beneath a biologically compatible membrane, allowing mosquitoes, ticks, or sand flies to pierce the membrane and ingest a meal. Maintaining a controlled temperature makes feeding conditions more consistent across experimental groups.
Researchers can standardize the blood source, temperature, feeding duration, and infectious dose. Controlling these variables reduces differences between feeding events that might otherwise complicate interpretation of vector responses. Standardization is especially important when comparing vector competence or maintaining colonies, because each group receives a more consistently defined feeding exposure.
A membrane-based approach separates the feeding event from direct host exposure and gives researchers greater control over experimental conditions. It can also reduce reliance on live animals while supporting repeatable measurements of feeding and infection-related outcomes. This makes the system useful when studies require a defined blood source, exposure period, or infectious dose.
A basic setup places blood in the unit, warms or circulates it as required, and positions a biologically compatible membrane between the blood and the arthropods. The insects or other vectors are then allowed to feed for a controlled period. Researchers can adjust the blood source, temperature, duration, and infectious dose according to the study design.
This method supports several stages of vector research. Laboratories can use it to maintain arthropod colonies, expose vectors to defined blood meals during pathogen transmission studies, and assess vector competence. Because the feeding conditions are controlled, the same general platform can support routine colony work as well as experiments comparing how effectively vectors acquire or transmit pathogens.
Controlled membrane feeding can link a defined blood meal and infectious dose with later observations of vector competence or pathogen transmission. It also allows feeding duration and temperature to be treated as planned experimental conditions rather than uncontrolled host variables. These features improve reproducibility and help researchers interpret differences between vector groups or experimental treatments.