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Nitric

nitric

(Science: chemistry) Of, pertaining to, or containing, nitrogen; specifically, designating any one of those compounds in which, as contrasted with nitrous compounds, the element has a higher valence; as, nitric oxide; nitric acid. Nitric acid, a colourless or yellowish liquid obtained by distilling a nitrate with sulphuric acid. It is powerfully corrosive, being a strong acid, and in decomposition a strong oxidizer. Nitric anhydride, a white crystalline oxide of nitrogen (N2O5), called nitric pentoxide, and regarded as the anhydride of nitric acid. Nitric oxide, a colourless poisous gas (nO) obtained by treating nitric acid with copper. On contact with the air or with oxygen, it becomes reddish brown from the formation of nitric dioxide or peroxide.

Origin: Cf. F. Nitrique. See Niter.


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Re: 0.5mol/lit HNO3

... have the molarity of the solution. You should work through the calculation for yourself. It is a useful thing to be able to do. For concentrated nitric acid it should work out to 16 M, thereabouts.

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by blcr11
Sun Apr 13, 2008 12:36 pm
 
Forum: General Discussion
Topic: 0.5mol/lit HNO3
Replies: 6
Views: 1095

nitric oxide production

Hi! Can you help me? Perhaps someone knows by chance if differentiated HL-60 cells are capable of producing NO after LPS stimulation?

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by Freya
Wed Feb 27, 2008 12:44 pm
 
Forum: Cell Biology
Topic: nitric oxide production
Replies: 0
Views: 439

Asthma

... this is a real thing or not - there may be changes in things like saliva that may be affecting exhalation pH. Anyway, there is an apparent rise in nitric acid content, possibly associated with inflammation. It might reflect increased production or reduced absorption by lining cells.

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by Darby
Mon Mar 19, 2007 2:53 pm
 
Forum: General Discussion
Topic: Asthma
Replies: 3
Views: 537

Na/K ATP-ase Reversal

... that oxygen consumption meets demand... so you can prevent the heart working as hard... e.g. beta blockers (reduce b1 adrenoreceptor activation), nitric vasodilators (venous dilation, reduce preload), calcium receptor antagonists (e.g. verapamil reduced afterload)...etc. but cardiac glycosides ...

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by Revenged
Sat Feb 24, 2007 10:47 pm
 
Forum: Cell Biology
Topic: Na/K ATP-ase Reversal
Replies: 5
Views: 489

Protein-biomolecules

... is a precursor of the neurotransmitter serotonin Glycine is a precursor of porphyrins such as heme Arginine is a precursor of the hormone nitric oxide Carnitine is used in lipid transport within a cell, Ornithine and S-adenosylmethionine are precursors of polyamines, Homocysteine is an ...

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by oncolozist
Mon Feb 19, 2007 7:29 pm
 
Forum: Molecular Biology
Topic: Protein-biomolecules
Replies: 4
Views: 1510
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