Questions tagged [biomedical-technology]

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Microscope Recommendations

I am a Engineering University student, in my last year of completion of my degree. I had interests in biochemistry and biology since I was a kid, and been learning about that side by side in my spare ...
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1answer
48 views

What happens with the nitrogen in blood in membrane oxygenators?

The air we breathe consists of about 80% nitrogen and 20% oxygen. The oxygen gets diffused into the blood and CO2 out of it, the nitrogen does mostly nothing, as there isn't a partial pressure of ...
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20 views

Pulse Oximetry, what significance does a decimal place hold?

I work in a sleep research lab. We have a couple of Masimo pulse oximeters that report pulse oximetry values in terms of integers (e.g. 90, 91, 92, etc.). Now our principle investigators used to use ...
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6 views

Colour of Vein surface(tunica externa)

If vein from hand is isolated out and blood from within flushed then what will be the colour of vein surface.
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21 views

Using Transduction to reverse Antibiotic Resistance?

Is it possible to use reverse transduction to reverse antibiotic resistance. Since antibitiotic resistance is causee by transduction of the F factor, is it possible to induce a F+ non antibiotic ...
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20 views

Are there medical imaging devices to look inside artery? [duplicate]

Are there medical imaging devices to look inside artery? If yes, what is there sensitivity i.e. smallest object they can detect?
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1answer
1k views

Why is western blotting used to confirm positive ELISA HIV tests?

I know that when an ELISA test indicates a positive result for HIV, a western blot is done to confirm. When I search online for the reason why, all that I see is that western blotting is "more ...
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0answers
72 views

How to drop a grid of points in DICOM images of a CT scan (imageJ? Horos?)

I have a series of DICOM images from a CT scan of a bucket of rocks. I want to systematically measure the size of the interstitial spaces. The reason I'm doing this is to compare it to a simulation I'...
4
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3answers
344 views

Open database of medical images

Does anyone know of an open repository of medical images (e.g., CT scans) organized by disease category? I'm working on some computer vision software that requires a large set of controls from which ...
6
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2answers
3k views

Functions of the CFTR gene?

I am a senior in high school and I am studying cystic fibrosis. I don't quite get the function of the CFTR gene as this is my first time dealing with this type of heavy scientific info. I had ...
11
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3answers
2k views

How can I label cryotubes in a way that eliminates the problem of legible hand-writing?

My lab stores biological material (tissue, cells, plasma, serum) in a -130 C, liquid nitrogen freezer. The cryotubes that we use to store a samples are labelled by hand which frequently creates ...
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1answer
6k views

How does electrolarynx work?

I have heard that this is an effective replacement for patients who have a dysfunctional larynx, partly due to cancer. I am curious to know the inner working of this device and why such a robotic ...