Talk:Blood plasma

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Out of date info on military use of plasma

See: https://www.healthline.com/health-news/freeze-dried-plasma-saves-soldiers-lives — Preceding unsigned comment added by 98.6.135.22 (talk) 15:50, 21 August 2018 (UTC)

Laboratory use of serum

Why was the section with laboratory use removed. This article should contain information about lab. usage of serum particularly in tissue culture, or [serum] shouldnt be redirected here Noctilucaalga (talk) 01:17, 20 June 2008 (UTC)

Selling Plasma

Why do places buy Blood Plasma?

What is it used for and how much does it cost?

What affect does the loss of plasma have on the human body?

TYPES OF PLASMA

there should be sections for the different types of plasma preparations used for coagulation testing (stored, adsorbed, aged plasmas), since there are not separate articles for them and I believe that such separate articles would be too small to exist on their own. HolyMongoose 17:33, 6 September 2006 (UTC)

I agree, there should be a section added to the article about selling plasma, especially on college campuses. Kevinmon (talk) 02:30, 21 July 2009 (UTC)

Comments from Ladylux89

Originally inserted into the above comment

Why do places buy Blood Plasma?

The purchase of body parts is illegal, and since blood plasma is a body part, plasma donation centers compensate you for your time. The amount that you weigh will determine how much plasma you can donate, and that amount will generally be reflected in your payment. Plasma centers compensate their donors to provide an incentive for them to return to donate once, if not several times more. Donor fees vary from place to place. You can call your local plasma donation center for details.

What is it used for and how much does it cost?

Plasma is used to make life saving medications for people suffering from life threatening autoimmune diseases. It can take up to 16 bottles of donated plasma to make one batch of medication. Plasma is also used in everyday vaccinations. The price of plasma varies from company to company, and there are companies that do not directly sell their plasma, but instead produce medicines themselves at their own laboratories.

What affect does the loss of plasma have on the human body?

Generally, if one has taken the appropriate measures to be prepared to donate, there will be minimal to no physical effects on his or her body. Occasionally a donor may have a reaction to the procedure, usually consisting of nausea, pallor, and dizziness. That can usually be prevented by eating a substantial meal within an hour of donating and staying hydrated, though sometimes these reactions are purely psychogenetic.

Thanks Ladylux89, but you'll need to provide references if you want this incorporated into the article. Note that what you've written about donor compensation is not true world-wide; for example, blood donors are not financially compensated in Australia. Adrian J. Hunter^{(talk•contribs)} 11:36, 20 October 2013 (UTC)

In the U.S., blood donations intended for transfusion are not collected from paid donors, since hospitals largely will not use blood components from paid donors for liability reasons. Blood units and products from paid donors must be labelled as such and are (almost?) exclusively used for manufacturing. Across most (all?) of the U.S., only plasma donors are paid since blood plasma is the typical reagent for pharmaceuticals, and not red blood cells or platelets. 74.87.127.84 (talk) 22:30, 15 April 2022 (UTC)

Move

Moved from article: Notable examples where serum is required include: protein electrophoresis, where it is preferable to remove fibrinogen as it may be mistaken for something else. This needs clarification. It would be desirable to list the differences between serum and plasma (besides clotting factors). Kosebamse 09:19 Apr 27, 2003 (UTC)

Something should be written here about plasma donation: how and why it is done. AxelBoldt 19:16, 15 May 2005 (UTC) How relation between diabetes and mast cell

photograph

It would be nice to have a photograph of either dried or frozen or liquid plasma just to be able to picture the color Taylorde 07:24, 11 October 2005 (UTC)

I've seen plasma from hundreds of blood samples. The color of the plasma varies considerably from one sample to another, ranging from only barely yellow to dark yellow and sometimes with a brown or orange tinge also. In addition to the varying shades of yellow color, some plasma samples are clear and some are milky or turbid. Occasionally, plasma came from a sample of hemolyzed blood, meaning the membranes of a few red blood cells were broken spilling the hemoglobin, so the plasma had a tinge of red.
H Padleckas 03:43, 21 April 2007 (UTC)

Coconut water

I was intrigued by the recent addition of coconut water as well. It turns out that there's anecdotal use of coconut water as am intravenous fluid, see Am J Emerg Med 2000;18:108-11 PMID 10674546. However, that's not the same as blood plasma. Andrew73 13:09, 13 January 2006 (UTC)

Interesting. Probably belongs in the coconut milk article more than here, however. --Bk0 (Talk) 13:21, 13 January 2006 (UTC)

Cell culture

Added to the page: Use of serum in cell culture.

Wondered why no one added in the use of serum in cell culture earlier. lpshean 02:52, 8 March 2006 (UTC)

CaO2

I have not heard of the expression CaO₂. Is it a typo? Snowman 14:27, 29 December 2006 (UTC)

Composition of plasma

It would be nice if someone added a section on the chemical composition of plasma... I have no idea what it actually is. Is it mostly water? —Preceding unsigned comment added by 199.44.16.79 (talk) 02:04, 24 April 2008 (UTC)

Definition, plasma is liquid?

This page says: " Blood plasma is the yellow liquid component of blood, in which the blood cells in whole blood would normally be suspended. It makes up about 55% of the total blood volume. It is mostly water (90% by volume) and contains dissolved proteins, glucose, clotting factors, mineral ions, hormones and carbon dioxide (plasma being the main medium for excretory product transportation). "

It seems that the article's identification of plasma as the yellow liquid component of blood is incorrect by its own later detailed discussion of what plasma is. It says it contains various solutes, among these proteins. Going no further, it seems to me that the refrences should be changed to refer to a fluid or otherwise indicate the state more accurately. Can anyone comment on whether this thought is correct or whether I'm wrong? --Δζ (talk) 02:32, 6 October 2009 (UTC)

It's a solution. "Liquid" is an adequate description for the phase (i.e. it's not a solid or an emulsion or a suspension). "Fluid" might be a better word choice, but it's not really wrong per se. Go ahead and change it if you want. SDY (talk) 23:19, 6 October 2009 (UTC)

i have God blood Justin Arrieta —Preceding unsigned comment added by 68.204.198.42 (talk) 03:27, 16 August 2010 (UTC)

Changed the caption.

Since we know the identity of the man, because I felt it was better to use his and honor his name rather than keep use an anonymous title of "american solder". Also i felt it was important to provide a little more detail of what is happening in the image.

You might know his identify and what is happening, but many other readers do not. Is this a significant event, e.g. the first use of blood plasma? If so, it should presumably be mentioned in the main article - which seems to lack such information.Ambiguosity (talk) 08:55, 1 May 2017 (UTC)

Na+: 140 mmol/L = 3.2 g/L

Please correct the picture with mass concentrations of blood plasma substances. The sodium level sould not be 0.3 g/L. In my opinion it is ten times higher, because the molar mass of sodium is 23 g/mol. Thanx — Preceding unsigned comment added by MarekMatejak (talk • contribs) 23:57, 12 March 2015 (UTC)

"Plasma"

The usage and primary topic of "plasma" is under discussion, see talk:plasma (physics) -- 70.51.46.39 (talk) 05:50, 11 March 2016 (UTC) To be completely accurate, plasma is not the liquid part of the blood after a coagulant was added and cells spun to the bottom. That would be serum. Plasma is the liquid part of the blood that remains when UN-clooted blood is spun in a centrifuge and cells are forced to the bottom. This is significant because plasma contains the viable clotting factors whereas serum does not because those were consumed during the clotting. — Preceding unsigned comment added by TeaxsGirl22 (talk • contribs) 13:27, 13 March 2017 (UTC)

Controversies, technicality

1. I have added the 'Technical' template, as many parts of the article seem overly technical for the average reader.
2. This article seems to shy away from some of the more controversial issues that have affected donation programs.

• It mentions that US armed forces wanted to segregate blood, but does not identify the outcome of this disagreement, discussed in paragraph 3 of 'History'. Can someone who has a clue possibly add some of this detail for enquiring minds (such as mine)?
• It mentions variant Creutzfeldt-Jakob Disease concerns in Great Britain (by the way, if you wish to use an acronym, please spell it out first time - and can someone possibly consider whether this paragraph is correct in referring to 'Britain' rather than 'Great Britain' or some subset thereof). When did those concerns start? (The article mentions the date that a company was bought, but that does not identify when concerns were first raised or when blood plasma was first imported.)

• No discussion of standard Creutzfeldt-Jakob Disease concerns/infections?

• There is no mention of screening of donors, and in particular the concerns about Human Immuno-Deficiency Virus (HIV) and Acquired Immune Deficiency Syndrome (AIDS) that led to changes in blood collection policies and in some countries resulted in bans upon donation by individuals who had ever engaged in homosexual sex.

Are there some experts out there who can address these issues? Ambiguosity (talk) 09:23, 1 May 2017 (UTC)

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Is Plasma for Britain the same as Blood for Britain ?

Plasma for Britain redirects to John Scudder (physician) but Blood for Britain redirects to Blood Plasma#History (which mentions both). Is Plasma for Britain the same as Blood for Britain ? - Rod57 (talk) 11:14, 14 September 2017 (UTC)

Plasma on blood

Siri 2601:201:8200:CAD0:0:0:0:EC5F (talk) 16:43, 19 November 2022 (UTC)