CO OZNACZA SŁOWO HYDROGENASE
Hydrogenaza
Fluorowodór jest enzymem, który katalizuje odwracalne utlenianie wodoru molekularnego, jak pokazano poniżej: H2 + Aox → 2H + + Ared 2H + + Dred → H2 + Dox Ujęcie wodoru jest sprzężone z redukcją akceptorów elektronów takich jak tlen, azotan, siarczan , dwutlenku węgla i fumaranu. Z drugiej strony, redukcja protonu jest sprzężona z utlenianiem elektronów dawców, takich jak ferredoksyna, i służy do usuwania nadmiaru elektronów w komórkach. Zarówno związki o małym ciężarze cząsteczkowym jak i białka takie jak FNR, cytochrom c3 i cytochrom c6 mogą działać jako fizjologiczne donory elektroniczne lub akceptory dla hydrogenaz.
Definicja słowa hydrogenase w słowniku
Definicja hydrogenaza w słowniku jest enzymem w niektórych mikroorganizmach, który przyspiesza odwracalne utlenianie wodoru.
KSIĄŻKI POWIĄZANE ZE SŁOWEM «HYDROGENASE»
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1
Hydrogenase Models and Studies Based on Iron Carbonyl ...
Fe2S2 complexes featuring pendant-functionalized dithiolate ligands were synthesized.
2
Preparation and Characterization of
Hydrogenase Enzyme ...
Significant scan-rate dependence under electrochemical conditions is observed, resulting in an initial 1-to-2 electron reduction depending on how quickly the singly reduced species can reorganize.
3
Gas-phase Photoelectron Spectroscopy and Computational ...
Finally, there is a [Fe]-only hydrogenase that consists of a monoiron center,
previously termed the iron-sulfur-cluster free hydrogenase.24-26 This class is the
least understood of the active sites, and the structure has only recently been ...
4
Computational, Spectroscopic, and Electrochemical Studies of ...
Hydrogenase Inspired Complexes Hydrogenase enzymes are used by various
microorganisms for the reversible reduction of protons to dihydrogen as shown in
equation 1.3. The hydrogenase enzymes can be categorized into three types: the
...
5
Structural and Spectroscopic Models of the ...
A second type of hydrogenase enzyme containing nickel and iron , [NiFe]-
hydrogenase, predominantly catalyzes the oxidation of dihydrogen.18 [NiFe]-
hydrogenase modeling has been limited due to the heterobimetallic nature of the
active ...
6
Biological Nitrogen Fixation
H2 is required for expression of hydrogenase in Rhizobium ORS571.27 H2
concentration clearly affects the final level of hydrogenase activity observed in
Alcaligenes latus.K A low level of hydrogenase activity was observed when 0.001
% H2 ...
Gary Stacey, Robert H. Burris, Harold J. Evans,
1992
7
Biology of the Prokaryotes
Bacillus tusciae, Mycobacterium gordonae, Nocardia autotrophica, Rhodococcus
opacus Aquifex pyropbilus a few Knallgas bacteria also contain a cytoplasmic ("
soluble") NAD*-dependent hydrogenase (Fig. 10.12). In principle, the electrons ...
Joseph W. Lengeler, Gerhart Drews, Hans Günter Schlegel,
1999
8
Recent Advances in Microbiology
Hydrogenase clusters associated with nitrogen fixation. VIMSS id Orthologs
Putative function Size, aas 581358 HoxK/HyaNHupS hydrogenase- I small
subunit 363 581359 HoxG/HyaB/HupL hydrogenase- I, nickel-dependent, large
subunit ...
9
Light, Water, Hydrogen: The Solar Generation of Hydrogen by ...
These enzymes, named hydrogenase and nitrogenase, catalyze molecular
hydrogen production. Green algae possess the hydrogenase enzyme, whereas
cyanobacteria species can have both nitrogenase and hydrogenase enzymes.
Craig A. Grimes, Oomman K. Varghese, Sudhir Ranjan,
2007
10
Springer Handbook of Enzymes: Synonym Index
Synonym Recommended Name Vol., Page 1.18.99.1 Hydrogenase
Hydrogenase 1.18.3.1 hydrogenase hydrogenase 1.18.99.1 Hydrogenase (
ferredoxin) Hydrogenase 1.12.99.3 hydrogenase (Wolinella succinogenes clone
pHydl gene hydA ...
Dietmar Schomburg, Ida Schomburg,
2001
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «HYDROGENASE»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
hydrogenase w wiadomościach.
Could Hovering Buildings be the Future of Sustainability?
Proposals such as Vincent Callebaut's "Hydrogenase" have always been science fiction as much as they are architecture - but with Arx Pax's ... «ArchDaily, Cze 15»
Novel Hydrogel Protects Sensitive Catalysts from Oxygen-Induced …
The German team used the green alga Chlamydomonas rheinhardtii to extract the hydrogenase enzyme for their experiments. The enzyme ... «Azom.com, Cze 15»
Hydrogel shield for sensitive catalysts
The team, drawn from universities in Germany and France, aims to replace the expensive metals with the hydrogenase enzyme from the green ... «tce today, Cze 15»
A protective shield for sensitive catalysts: Hydrogels block harmful …
In the future, this could facilitate the creation of hydrogen fuel cells with molecular catalysts or with biomolecules such as the hydrogenase ... «Nanotechnology News, Cze 15»
The Secret Behind Biogenic Methane Discovered at Stanford
Alfred Spormann, professor and co-author of the study said, “When hydrogenase was absent from the culture, methane production plummeted ... «The Green Optimistic, Maj 15»
Could Methane Making Microoganisms Solve the C0 2 Problem?
This new strain had six genes deleted from its DNA, preventing it from producing hydrogenase, which microbes need to make hydrogen. «ENGINEERING.com, Maj 15»
These microbes 'eat' electrons to make methane
These mutant methanogens had six genes deleted from their DNA so they could no longer produce the enzyme hydrogenase, which microbes ... «Futurity: Research News, Maj 15»
Stanford University scientists find way to produce methane in …
Hydrogenase and other enzymes were found to take up electrons directly from the electrode in the absence of methanogen cells but the ... «Chemicals Technology, Maj 15»
New process turns CO2 into alcohol using enzymes
These were mixed in a buffer solution where nicotinamide adenine dinucleotide hydrogenase (NADH) was added – another enzyme that ... «ZME Science, Gru 14»
Electricity and Enzymes Turn Carbon Dioxide Into Alcohol Biofuel
They mixed that into a buffer solution in a flask, and added nicotinamide adenine dinucleotide hydrogenase (NADH), another enzyme that ... «IEEE Spectrum, Gru 14»