Substratum (Chemia)
Multi tool use
In chemia substratum generatim est species chemica inter reactiones chemicas observata, quae cum reagente ad productum generandum reagit. In synthesi chemica sicut chemia organica substratum significat substantia chemica modificata. In biochemia substratum[1] materia quam enzymum movet, est. Cum iure equilibriorum (Principium secundum Le Chatelier) substratum reagens concentratio cuius mutatur sciri potest. Terminus substratum igitur contextibus suis subiectus est[2].
Reactio spontanea
- S⟶P{displaystyle {ce {S -> P}}}
- quod S substratum atque P productum significant.
Reactio katalysata
- S+C⟶P+C{displaystyle {ce {S + C -> P + C}}}
- quod S substratum, P productum, C katalysator[3] significant.
Biochemia |
In biochemia, substratum est molecula, quam enzymum movet. Enzymi reactiones chemicae cum uso substrati (substratorum) katalysant[3]. Cum substrato singulari ipse ad enzymi situm activum destinat ergo complexus enzymum cum substrato formatur. Deinde substratum ad unum aut plures productos transformatum qui ad postremum de sito activo liberati sunt. Paulo post situs activus moleculam substrati proximam accipere potest. Ad generandum productos cum plus quam uno substrato ante reactionem chemicam ipsa in ordo particulari ad situm activum alligere oportent. Appellatus substratum 'chromogenicum', cum productum post reactionem coloratum apparat. In experimentis histologicis enzymi productis coloratis microscopio attribui possunt, per exemplum sectionis tenuibus telarum biologicarum.
Reactio chemica
- Substratum
- Reagens
Katalysator[3]
- Enzymum
- Productum
- Solvens (Chemia)
Notae |
↑ sive enzymi substratum
↑ IUPAC 2006 Compendium of Chemical Terminology = compendium terminologiae chemiae
↑ 3.03.13.2 graece: κατάλυσις katálysis
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