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Haemoglobin a2

Haemoglobin a2

(Science: chemical) An adult haemoglobin component normally present in haemolysates from human erythrocytes in concentrations of about 3%. The haemoglobin is composed of two alpha chains and two delta chains. The percentage of hba2 varies in some haematologic disorders, but is about double in beta-thalassaemia.

chemical name: haemoglobin a2


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Re: oxygen "grabbers" haemoglobin adaptation?

To a Chemical Engineer like me (retired) the term "oxygen grabber" can mean chemicals like hemoglobin, or wet iron used to remove atmospheric oxygen in lab work, or even the presence of such materials in the workplace which may pose an industrial hazard (like the inside of a rusting steel...

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by animartco
Sat Aug 31, 2013 2:54 pm
 
Forum: General Discussion
Topic: oxygen "grabbers" haemoglobin adaptation?
Replies: 7
Views: 7081

Re: oxygen "grabbers" haemoglobin adaptation?

To a Chemical Engineer like me (retired) the term "oxygen grabber" can mean chemicals like hemoglobin, or wet iron used to remove atmospheric oxygen in lab work, or even the presence of such materials in the workplace which may pose an industrial hazard (like the inside of a rusting steel ...

See entire post
by DDD
Wed Aug 07, 2013 12:35 pm
 
Forum: General Discussion
Topic: oxygen "grabbers" haemoglobin adaptation?
Replies: 7
Views: 7081

Re: carbon dioxide and haemoglobin

Carbon dioxide combines reversibly with haemoglobin to form carbaminohaemoglobin. Carbon dioxide does not bind to iron, as oxygen does, but to amino groups on the polypeptide chains of haemoglobin. Thanks a lot. John Messick

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by JohnMessick
Mon Jan 23, 2012 4:26 pm
 
Forum: General Discussion
Topic: carbon dioxide and haemoglobin
Replies: 5
Views: 2175

carbon dioxide and haemoglobin

... but my textbook says that carboxyhemoglobin is formed they are both referring to the transport of carbon dioxide (the way that CO2 combines with haemoglobin)

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by bryanwong
Mon Jan 09, 2012 7:14 am
 
Forum: General Discussion
Topic: carbon dioxide and haemoglobin
Replies: 5
Views: 2175

carbon dioxide and haemoglobin

which is formed when carbon dioxide combines with haemoglobin(some carbon dioxide is carried by haemoglobin)? my textbook says that, carboxyhemoglobin is formed ,but i found that carbaminohemoglobin is formed instead on the internet . which one is ...

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by bryanwong
Sat Jan 07, 2012 9:48 am
 
Forum: General Discussion
Topic: carbon dioxide and haemoglobin
Replies: 5
Views: 2175
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