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NLM101611900 |
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DE-627 |
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20250201071740.0 |
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231222s1999 xx ||||| 00| ||eng c |
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|a pubmed25n0339.xml
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|a (DE-627)NLM101611900
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|a (NLM)10228574
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Huang, H Q
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Studies on the heme and H2-uptake reaction from Azotobacter vinelandii bacterial ferritin
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| 264 |
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|c 1999
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 14.06.1999
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|a Date Revised 03.11.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a Bacterial ferritin of Azotobacter vinelandii (AvBF) is directly able to pick electrons up for iron release from or transfer them for storage to a platinum electrode in the absence of mediator or other reducer. The ferritin containing the structure of heme-Co2+ in part shows weakened activity to electrode and decreases the rate of iron release greatly. A reversible reduction process of the ferritin is observed by the spectral change regularly ranging from 310 to 260 nm under mixed gases containing 98% H2 and 2% to O2. The activity of nitrogen fixation from the whole cell of A. vinelandii increases greatly by H2 reduction with potentials ranging from -397 to -425 mV vs. NHE, indicating two important roles of H2-uptake reaction of the ferritin in increasing activity of nitrogen fixation and in supplying iron to synthesize nitrogenase
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| 650 |
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|a Journal Article
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| 650 |
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|a Research Support, Non-U.S. Gov't
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| 650 |
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|a Heme
|2 NLM
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| 650 |
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|a 42VZT0U6YR
|2 NLM
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| 650 |
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7 |
|a Hydrogen
|2 NLM
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| 650 |
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7 |
|a 7YNJ3PO35Z
|2 NLM
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| 650 |
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7 |
|a Ferritins
|2 NLM
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| 650 |
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7 |
|a 9007-73-2
|2 NLM
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| 650 |
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7 |
|a Iron
|2 NLM
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| 650 |
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7 |
|a E1UOL152H7
|2 NLM
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| 650 |
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7 |
|a Oxygen
|2 NLM
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| 650 |
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7 |
|a S88TT14065
|2 NLM
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| 700 |
1 |
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|a Lin, Q M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, F Z
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, C H
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, X
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Z
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Bioelectrochemistry and bioenergetics (Lausanne, Switzerland)
|d 1999
|g 48(1999), 1 vom: 03. Feb., Seite 87-93
|w (DE-627)NLM098241303
|x 0302-4598
|7 nnns
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| 773 |
1 |
8 |
|g volume:48
|g year:1999
|g number:1
|g day:03
|g month:02
|g pages:87-93
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| 912 |
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|a GBV_USEFLAG_A
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|a AR
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| 952 |
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|d 48
|j 1999
|e 1
|b 03
|c 02
|h 87-93
|