Questions tagged [biochemistry]
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24
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Why does LDH-1 peak later than CK-MB in acute myocardial infarction?
As a marker of AMI, different enzymes are used. Creatine Kinase-MB peaks within 24 hrs and returns to normal relatively quickly. Where as LDH-1 peak appears later (~72 hrs) and stays high for a week.
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19 views
Can eating food cause you to gain more weight than the mass of that food, over time [duplicate]
NOT A DUPLICATE OF: Can food make you put on more weight than it's own weight?
That question diverges off into stuff about calories and energy density and other stuff, which I'm not interested in ...
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8 views
How does protein re-folding occur?
I recently learnt that [Protein refolding] can occur, and I am left wondering how & why this phenomenon occurs?1
The paper above talks about denatured RNAse refolding into its active form.
To what ...
1
vote
1answer
70 views
Adding an essential oil to WHO Handrub Formulation
I'm not a chemist, so I prefer to ask this question to some people, who definitely have knowledge in that area.
WHO Handrub Formulation is available here.
Ingridients: Ethanol 96%, Hydrogen peroxide ...
-1
votes
0answers
60 views
How can one explain simultaneously different temperatures in the trunk of a human body? [closed]
According to researches done on frostbite, the temperature within the human body-core is supposed to always be uniform throughout. But is this assumption accurate? Could there be a movement of heat ...
3
votes
1answer
63 views
Why transfused blood has lower 2,3 - BPG levels
I read the following quote in the textbook Kaplan Biochemistry (2018 edition, page 183):
Transfused blood has lower than expected 2,3 BPG levels, making it less efficient at delivering oxygen to ...
1
vote
0answers
296 views
Is kiwi safe to eat during antibiotic therapy? [closed]
I look for information about if it is safe to eat a Kiwi fruit during antibiotic therapy.
I know that the fruit is source of calcium so it can weaken absorption of drug so time delay before and after ...
6
votes
1answer
69 views
How reliable is the determination method of reference ranges for blood tests?
A reference range is usually defined as the set of values 95 percent
of the normal population falls within (that is, 95% prediction
interval). It is determined by collecting data from vast numbers ...
3
votes
1answer
135 views
What is the specific mechanism for ketoacidosis in Diabetes Mellitus?
What is the specific mechanism for ketoacidosis in Diabetes Mellitus? As far as I have understood it goes something like this::
Diabetes Mellitus
--> Decreased glucose uptake by cells of the ...
3
votes
1answer
75 views
Linkage between Fatty Acid Metabolism and Ketone body metabolism
I am studying biochemistry right now and I am having a little trouble as to understanding ketone body metabolism. I have understood the steps and all but just cannot seem to link it with Fatty Acid ...
3
votes
1answer
28 views
Why does a rise in cAMP potentiate PGI2?
In my book Principles of Physiology (by Debasis Pramanik), it is mentioned that dipyridamole inhibits phosohodiesterase which increases cyclic adenosine monophosohate (cAMP) which potentiates ...
4
votes
1answer
78 views
Citrate vs EDTA
What is the difference between the use of «citrate» and «EDTA» as an anticoagulant in medicine (I know that each one is used for some dosages but not the other, but I need to know why)?
4
votes
2answers
105 views
How does one determine which textbook to start with when wanting to build knowledge in medical sciences? [closed]
The medical field is vast and there is a great deal of literature, including textbooks. Is there a clear progression of textbooks that one could go through in order to build knowledge in the medical ...
2
votes
1answer
368 views
Chlorophyll supplements: metabolism of chlorophyll in the human body and proof for resulting health benefits?
I see people buy and consume powders that they claim consists of chlorophyll, calling it „lichtkraft“ in german, meaning „the power of light”. They are expecting health benefits from consuming it.
...
4
votes
2answers
60 views
Biochemistry of (tap water) iontophoresis?
I'm curious to know what science has to say about the biochemical processes of tap water iontophoresis. I was trying to find some insights from the mechanism of action to answer things like:
Why does ...
4
votes
0answers
31 views
How is moistness balanced with avoiding overgranulisation, in wound care?
Assuming that infection, bleeding are taken care of, and/or for the purposes of this question can be ignored:
I am trying to gain an understanding of an aspect of wound care I don't yet really ...
6
votes
1answer
104 views
How does exercise improve health?
Particularly, it is often stated that exercise is good for battling heart disease and controlling blood pressure. Does anyone have any insight on how/why exercise does this? Thanks.
9
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2answers
206 views
Is it beneficial to keep using fluorised toothpaste after prolonged use?
As far as I understand, fluoride helps in hardening the enamel of our teeth by replacing the calcium element in hydroxyapatite to convert it in the stronger fluorapatite, like explained here. Wether ...
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vote
0answers
33 views
Are any 3D printed materials biocompatible (safe for implantation in the human body)?
Are any typical 3D printed (extrusion based 3D printer) materials, such as ABS or PLA (or slightly more exotic ones, such as kevlar, fibreglass, or carbon fiber), safe for implantation in the human ...
1
vote
0answers
26 views
Saturated and unsaturated fats, same compound in blood/cells?
I'm trying to self-studying a bit of biochemistry.
When carbs enter the blood, it seems to have understood that they enter with the same chemical compounds, called glucose.
I'm wondering if ...
1
vote
0answers
10 views
Opposite Venous Blood pH Readings In Groups Of Patients?
Assume Group A and B are 2,000 people each. If one doctor found that, say, sodium bicarbonate alkalized all venous blood of patients in Group A, but another doctor found that sodium bicarbonate ...
2
votes
0answers
33 views
how does the immune system identify allergens? application: varenicline and lobeline
I'm wondering if we know how the immune system identifies allergens. My biochemistry knowledge is basic so I apologize if I use concepts incorrectly! Specifically, I want to know about the likelihood ...
1
vote
1answer
302 views
Sensitization and Energy Crisis in Myofascial Pain Syndrome
In Travell and Simons' Myofascial Pain and Dysfunction: The Trigger Point Manual, an energy crisis within a muscle is said to entail the release of sensitizing substances that could interact with ...
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0answers
34 views
Acid-forming vs Acidic foods
I have always noticed, on various lists containing the pH values of common foods, that dried loose-leaf black tea is slightly alkaline (~7.2), and one of the most alkaline drinks. At the same time, if ...
