
bahyagolam electron kaimaattam

bahyagolam ennathu ittu evantinu munbum sheshavum verittunilkkunna raasa enangalkkidayil sambhavikkunna oru electron transfer (ittu) sambhavathe soochippikkunnu. ithinu vipareethamaayi, aantharika gola electron kaimattatthinu pankedukkunna redox sittukal oru raasa paalatthiloode bandhippikkappedunnu. puram golatthile electron kaimaattam bandhippichittillaatha rund speesheesukalkkidayil sambhavikkunnathinaal, electron oru redox kendratthil ninnu mattonnilekku bahiraakaashatthiloode neengaan nirbandhithanaakunnu.
marcus sidhaantham.
outtar sphere electron transfer nirakkukal vivarikkunna pradhana sidhaantham vikasippichath rudolph eiii aanu. 1950kalil marcus. thermodynamic prerakashakthiye (electron-exchange saittukalude redox pottanshyalukalile vyathyasam) electron transfer rettu aasrayikkunnathaanu marcus sidhaanthathinte oru pradhana vasham. mikka prathikaranagalilum, vardhicha prerakashakthiyode nirakkukal vardhikkunnu. randaamathe vasham, baahya gola electron kaimaattatthinte nirakk "punasamghadana oorjjathe" vipareethamaayi aasrayichirikkunnu ennathaanu."ookseedantinum reductantinum avayude ookseekarana avasthakal maattaan aavashyamaaya bondinte neelatthilum konukalilum varunna maattangale punasamghadana oorjjam vivarikkunnu. svayam vinimaya nirakkukalude alavukal upayogichaanu eee oorjjam vilayiruthunnathu (chuvade kaanuka). 
puram gola electron kaimattamaanu ettavum saadhaaranamaaya electron kaimatta tharam, prathyekichu biochemistryil, avide redox kendrangale edayilulla protein niravadhi (ekadesham 11 vare) aangstromkalaal verthirikkunnu. biochemistryil, rund pradhana tharam outtar sphere undu, athaayath rund biological moleculukalkkidayilo allengil nischitha dooratthilulla electron transferillo electron oru "orotta" biomoleculinullil (udha.jii., intraprotein).
udaaharanagal.
svayam kaimaattam.
ooksideshan avastha ozhike samaanathayulla raasa enangalkkidayil outersphere electron transfer sambhavikkam. eee prakriya svayam kaimaattam ennu vilikkunnu. tetrahedral ayonukalaaya permaankanettum maamganettum thammilulla degenerate prathikaranamaanu oru udaaharanam
octahedral loha samuchayangale sambandhichidatholam, svayam-kaimatta prathikaranangalude nirakk sthiraangam oorbittalukalude janasamkhyayile mattangalumaayi bandhappettirikkunnu, avayude janasamkhya loha-ligand bondukalude neelathe ettavum shakthamayi badhikkunnu
irumbu-sulfur proteinukal.
irumbu-sulfur proteinukalude jaiva pravartthanatthinte adisthaanamaanu outtar sphere ettu. phee kendrangal saadhaaranayaayi sisteenail ligaandukalaal kooduthal ekopippikkappedunnu. [fe4s4] electron-transfer proteinukale ([fe4s4] ferredoxinukal) kuranja pottensial (bacteria-tharam), uyarnna pottensial (hip) ferredoxinukal enningane veendum vibhajikkaam. kuranjathum uyarnnathumaaya ferredoxinukal inipparayunna redox skeemumaayi bandhappettirikkunnu
vyakthigatha redox avasthakal thammilulla cheria gadanaaparamaaya vyathyaasangal kaaranam, eee klasttarukalkkidayil ithu vegathilaanu.

