Questions tagged [animal-models]

Animals used, for both practical and ethical reasons, to study biological systems and draw conclusions about homologous processes in other organisms, especially humans.

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At what g force do bacteria start to pellet down a tube?

I am working with C. elegans and bacteria and I want to get rid of the bacteria they eat by centrifuging the worms without centrifuging the bacteria. I am using a g-force of 600 and the bacteria ...
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515 views

How much does an experiment on monkeys cost?

Including legal fees, the paperwork, the housing, the food etc. (provided there is already a lab with biomedical lab equipment and space for the housing) for let's say the final testing phase of a ...
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Are there worms/snake traveling by rolling? (see youtube video)

Someone obtained this from a nature simulator : https://youtu.be/l-qOBi2tAnI Is there any animals travelling like this?
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natural characteristics of insects used as human disease model

In this paper [1], the author found that the autism-related genes are conserved between honey bee and human. Thus, this paper providing a means to further explore sociobiology theory. In my opinion, ...
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Can C. elegans be raised on Lactobacillus as the only food source?

I'm interested in running some C. elegans experiments for educational purposes, but would like to avoid having to grow or handle E. coli. I was wondering if C. elegans need E. coli specifically, or ...
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73 views

0.9% Saline or Ringer's Solution for in vivo work

A few of the labs where I currently work routinely use 0.9% saline for in vivo work (washing out debris during surgery, diluting substances for IP/IV/SC injections, etc.) A few years ago I worked in ...
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When comparing oral infection v IV infection in mice, why would the CFU given be different volumes?

In the paper, orally infected mice are given 1x10^9 CFU of C. Rodentium and IV infected mice are given 5x10^7 CFU of the pathogen. Does anyone know if there is a generic reason for this? Thanks in ...
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1answer
47 views

Why do insects move so differently than land animals?

Why do the fastest insects have 6 legs instead of 2 or 4? Why don't any trot or gallop like a cheetah, for instance? I know that if a... cheetah were scaled down to the size of a tiger beatle, it ...
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Blood levels of cholesterol necessary for reversal of artherosclerosis?

It is claimed based on autopsies of starved humans/animals and cholesterol and dietary restriction studies in animals that atherosclerosis if cholesterol can be reversed to a degree, rather than just ...
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94 views

Organ secretions

If an animal secrets an enzyme from an organ that is entirely dedicated for the same secretion, can one or cannot one just use the gene coding for that protein to obtain the protein in vitro. How much ...