How To Use Acceptor In A Sentence
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The glow of the firefly, which is due to the oxidation of the molecule luciferin, with the enzyme luciferase acting as a catalyst in the oxidation process and oxygen acting as the electron acceptor, is an example of bioluminescence.
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Fluorescence is detected using an emission path image splitter, outfitted with polarizers, that detects the donor fluorescence as well as two polarizations of the acceptor fluorescence.
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The exact enumeration of the populations is further complicated by the possible modification of both donor and acceptor molecules.
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The results support the idea that the strength of hydrogen bonding reflects the magnitude of the charges on the associated proton donor and acceptor atoms.
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Aldols are bifunctional molecules possessing OH and C=O groups, which are able to act as both hydrogen donors and/or acceptors.
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Strikingly, reaction centers appear to use that same solution not only for electrons but also for proton transfer toward their secondary ubiquinone acceptor site.
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We have also carried out measurements with mixtures of water and acetonitrile, a solvent that is a hydrogen bond acceptor.
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Resonance energy transfer efficiency is strongly affected by changes in the donor-acceptor distance on the order of a typical globular protein.
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The application of the donor - acceptor interaction between neutral aromatic subunits in supramolecular construction is reviewed.
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Such measurements should be independent of the local concentrations of donor and acceptor molecules.
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Additionally, it is now known that the effective quantum yield of MLCs can be increased by RET to high quantum yield acceptors.
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In the MCS, each excited donor can then either transfer its energy to an acceptor or emit fluorescence, according to the rules listed above.
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Although an amino acid acceptor of sulphide is necessary for sulphate assimilation, only little attention was paid to the regulation of S assimilation by carbon metabolites.
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The energetics of proton transfer can be envisaged as a double-well potential where the proton is transferred from a donor to the acceptor.
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Simply removing either the last two groups or the four datapoints with the highest acceptor levels results in a reduced value of p = 0.2454, indicating a lack of evidence of dependence.
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When a Bill is accepted generally, presentment for payment is not necessary in order to render the acceptor liable.
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Cellular respiration is the process by which cells obtain energy from food through chemical reaction with an inorganic electron acceptor, usually oxygen.
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A bill is discharged if, at or after its maturity, the holder expressly and absolutely renounces his rights against the acceptor either in writing or by delivering the bill to him.
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In most organic donor-acceptor systems, ET from a ground-state donor to a ground-state acceptor is usually not favorable because of energy reasons.
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Redox mediators can accelerate the electron transfer from a primary electron donor to a terminal electron acceptor, which may increase the reaction rates by one to several orders of magnitude.
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I'm up for the former, but the designated acceptor for three of the latter.
World Con Schedule
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As a result, we found that the emergence of electrical conductivity on the doped polyacetylene was due to the creation of carbocations or positively charged solitons associated with withdrawing of p electrons from polyacetylene by the dopant when iodine was used as an acceptor dopant.
Hideki Shirakawa - Autobiography
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An accommodation party is one who has signed the instrument as maker, drawer, acceptor, or in - dorser, without receiving vahie therefor, and for the pur - pose of lending his name to some other person.
Acts and resolves passed by the General Court
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His back was thick enough for toting an oaken ice box, and he would most likely be voiceless, a mute acceptor of direction, of order, a pure pieceworker whose every dollar earned, you could bet, would be quaffed off before nightfall.
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Every other electron that leaves the n region will likewise leave behind another positively charged acceptor ion.
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Likewise, the element that is a good electron acceptor in an electron transfer reaction is going to be the element that is going to hog the electrons in a covalent bond.
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As discussed in chapter 2, the flavor cinnamic aldehyde contains Michael acceptor pharmacophores, which turn on gene expression of a number of cell-protective antioxidant enzymes.
Forever Young
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Is it possible to boot up my MacBook with ONLY an external hard drive? how to connect a coin acceptor to the pc?? and how can the pc detect it? en Español
Yahoo! Answers: Latest Questions
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As the acceptor is consumed during the fixation reaction it must obviously be regenerated from the assimilation products.
Nobel Prize in Chemistry 1961 - Presentation Speech
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They work their positive effects by acting as electrophilic Michael acceptors, which activate good transcription factors such as NRF2.
Forever Young
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Recommendations of this kind have traditionally been opposed by manufacturers and risk acceptors.
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Lack of proton-pumping activity has also been found in heterologously expressed Neurospora rhodopsin, which has carboxylated residues at both the Schiff base proton donor and acceptor positions, as does GtR1.
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Donor and acceptor compounds are differentiated by the direction of the electron transfer to or from the carbon layers.
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The curcuminoids found in turmeric also function as a mild electrophile or Michael acceptor.
Forever Young
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The holes likewise leave negative acceptor ions.
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The active area of ENOLASE will potentially exist multi - hydrogen bond of donor and acceptor.
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The acceptor for honour is liable to the holder and to all parties bill subsequent accepted.
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This kind of analysis can provide some information about the arrangement of acceptor molecules and intermolecular interactions.
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This enzyme may also act as a glutamyl peptidase, requiring only water as an acceptor.
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As the acceptor is consumed during the fixation reaction it must obviously be regenerated from the assimilation products.
Nobel Prize in Chemistry 1961 - Presentation Speech
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... that at some point well before the posted time maximum, the coin acceptor door locks up and won't accept more change.
Seattle Post-Intelligencer: Local News
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The first step of the Calvin cycle is the addition of carbon dioxide to an acceptor molecule.
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The charge-transfer(CT)complex formed between clozapine as the donor and 7,7,8,8Tetracyanoquinodimethane(TCNQ)as the acceptor in acetone has been studied by spectrophotometric method.
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Some bacteria are able to switch from enzymes using oxygen as a terminal electron acceptor to enzymes using alternative electron acceptors.
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Scratch a philo-Semitic fundamentalist, however, and you'll get a passive acceptor of Biblical genocide.
Ariel Gonzalez: Infallible Israel
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Xanthine oxidase uses molecular oxygen as an electron acceptor, resulting in the formation of superoxide radicals.
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They propose that the relatively low redox potential of hypericin permits it to compete as an electron acceptor, which consequently potentiates its biological activity in the dark, permitting it to interfere with the growth of tumors.
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The malfunction or "glitch" allows cheaters to play for free credits in the slot machine by jamming the machine's bill acceptor.
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Acetonitrile is completely miscible with water, but is only a hydrogen bond acceptor and a very weak one at that.
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The reverse of Reaction 11 for acetate may be combined with the electron acceptor reactions.
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The first is the intrinsic polarization of the isolated acceptor emission, which may be a function of its environment and the particular excitation and emission wavelengths used.
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In reality tRNAs contain acceptor stems at both their 3 'and 5' ends.
Analogy, How Scientifically Powerful is It?
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As against the discounters of the customer's bills, the bank, which figures as an acceptor, assumes primary liability.
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One of the most exciting developments in the use of the cinnamic aldehyde Michael acceptor is its efficacy in the treatment of the deadly cancer melanoma.
Forever Young
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This absence of correlation should warn against using CO temperature coefficients of chemical shifts as indicators of a hydrogen bond acceptor.
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In this configuration, an excited donor has a higher probability to transfer its energy to a neighboring acceptor than to emit energy as fluorescence.
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The simulation of N2O emissions requires consideration of the combined N and C cycles, because the substrates of denitrification include electron acceptors (NO3) as well as oxidizable C substrates.
Effects of changes in climate and UV radiation levels on function of arctic ecosystems in the short and long term
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Paraquat acts as an alternative electron acceptor from PSI generating superoxide.
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Identical results were obtained by Willis and Szabo using tyrosine in the presence of acetate and other proton acceptors.
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While, the person to whom the offer is made is called the 'offeree' and the person who accepts the offer is called the 'acceptor' ....
WHAT REALLY HAPPENED
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Peroxidases are haem-containing enzymes which mediate oxidation of a variety of molecules using hydrogen peroxide as an electron acceptor.
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Nadp is much preferred to oxygen as an electron acceptor in intact chloroplasts.
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The donor must have fluorescent properties, whereas the acceptor does not necessarily fluoresce.
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Distances between hydrogen-bonding acceptor and donor atoms are given in A. Five carboxyl groups in this cluster are buried inside the protein.
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The acceptor of the holder to participate in and be the acceptor for honor of all the parties responsible for flac.
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The first is the intrinsic polarization of the isolated acceptor emission, which may be a function of its environment and the particular excitation and emission wavelengths used.
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Moreover, we have recorded similar photoeffects also in the absence of an electron acceptor in our experiments.
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With regard to this solvent selectivity, acetonitrile is completely miscible in water but forms very weak hydrogen bonds in its capacity as a hydrogen bond acceptor.
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They compartmentalize terminal steps of anaerobic energy metabolism but, unlike mitochondria, hydrogenosomes cannot use oxygen as an electron acceptor; they reduce protons to molecular hydrogen.
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Another anion, azide, is used in the study of bacteriorhodopsin mutants as a substitute for proton donor or acceptor when they are altered in the protein.
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Each child was imagined as an active participant in establishing those boundaries, not as a passive acceptor of pre-established group decisions.
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A number of substances, including oxygen, can act as electron acceptors from the flavoproteins.
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Coenzyme Q10 is an electron acceptor and antioxidant that is a key component of mitochondrial electron transfer.
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At maturity the Discount House will collect the face value of the bill from the acceptor.
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BAV1 is an anaerobic soil microbe that uses vinyl chloride, dichloroethanes or vinyl bromide as electron acceptors in its metabolism.
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Some of the molecules are donors and others acceptors.
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The Melbourne Cup has attracted a total of 168 first acceptors.
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Comparing the rates obtained from the donor-bridge-acceptor and the effective two state systems, respectively, we reveal the validity of the superexchange mechanism.
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In addition to being able to respire with oxygen, some microaerophiles may be capable of respiring anaerobically with electron acceptors other than oxygen.
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Y 2 O 3 acts not only as a donor, but also as an acceptor.
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As for cinnamic aldehyde, the curcuminoids, and the nitroalkenes, I believe the anticancer activity and other therapeutic benefits of a nitrone spin trap results from the fact that it is a mild electrophile and a Michael acceptor pharmacophore.
Forever Young
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For an observer to acquire both donor and acceptor fluorescence for this dual-image ratiometric measurement, the fluorescent probes must exhibit spectral overlap.
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Distances between hydrogen-bonding acceptor and donor atoms are given in A. Five carboxyl groups in this cluster are buried inside the protein.
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O'Brien's blanket entry left the Tote quoting the trainer at 13-8 to lift the sprint prize without naming any of his eight acceptors.
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Normally ET from a ground-state donor to a ground-state acceptor is energetically not favorable.
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This allows donation of this group to an acceptor substrate in transmethylation reactions.
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Carbohydrates not only provide the acceptor of sulphide for cysteine biosynthesis, they are the source of reductants for sulphate reduction in non-photosynthetic tissues.
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The surface in the p - type - type semiconductor material at which the donor and acceptor concentration are equal.
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This process involves the addition of microorganisms, nutrients and an electron acceptor into the saturation zone of a contaminated aquifer.
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If the amines were acting as the hydrogen bond acceptors, the bimolecular quenching constants would be expected to increase with basicity of the amines, i.e. for amines with lower pK b values.
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The ammonia oxidation test was made under the mixed atmosphere of NO2/O2. Ammonia oxidizer could use NO2 as electron acceptor to oxidize ammonia and produce NO when there was no molecule oxygen.
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Dave Lang, silicide Schottky barriers from Marty Lepselter through Jim Phillips, infrared spectroscopy of shallow donors and acceptors from Gordon Thomas, and transport in the 2-dimensional electron gas from Dan Tsui.
Robert B. Laughlin - Autobiography
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As mentioned above, the primary reaction in the assimilation is a fixation of carbon dioxide to an acceptor, the chemical nature of which has been established by Calvin.
Nobel Prize in Chemistry 1961 - Presentation Speech
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Fret results from weak nonradiative coupling of two chromophores (acting as a donor and an acceptor, respectively) bound to the macromolecules.
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An unexpected result is that ouabain and amiloride, which do not react directly with cytochrome c oxidase, modify significantly the absorption of the photoacceptor (mirrored by the action spectrum in our case).
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This enzyme uses inorganic oxygen as an electron acceptor and H 2 O 2 is formed that has to be detoxified by a catalase.
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We next wanted to demonstrate the utility of sRET in conditions where the acceptor and donor molecules were not covalently linked.
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It would be monstrous if, having paid such a bill by direct payment instead of by the remission of funds to the bank (the acceptor), the customer could bring an action to enforce the bills against the bank.
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Indirect Transition 、 Emission 、 Radiation Recombination 、 Iradiation Recombination 、 Donor 、 Acceptor 、 ...
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Although an amino acid acceptor of sulphide is necessary for sulphate assimilation, only little attention was paid to the regulation of S assimilation by carbon metabolites.
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In the absence of other electron acceptors, the addition of either peroxide induced oxygen evolution in wild-type Synechocystis.
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In such cases, a chelated lanthanide that is associated with one partner sensitizes an acceptor on a complementary partner when these species are within the typical Forster distance range of 3 to 9 nm.
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The active area of ENOLASE will potentially exist multi - hydrogen bond of donor and acceptor.
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First, the emission spectrum of the donor molecule must overlap with the absorbance spectrum of the acceptor.
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As for cinnamic aldehyde, the curcuminoids, and the nitroalkenes, I believe the anticancer activity and other therapeutic benefits of a nitrone spin trap results from the fact that it is a mild electrophile and a Michael acceptor pharmacophore.
Forever Young
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The increased energy of the modified sequences reflects the repositioning of proton donor and acceptor atoms between drug and DNA.
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The number of photons needed approaches infinity when the acceptor is completely depolarized.
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The photobleaching characteristics depend on the nature of the sensitizer and are influenced by many factors, including solvent polarity, the presence of other electron acceptors and donors and so on.
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The conventionally utilized enzyme for glucose measurement, glucose oxidase, inherently utilizes oxygen as its electron acceptor during the oxidation of glucose.
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The positions of drug atoms are denoted by small magenta spheres and the predicted binding sites by colored ellipsoids (red near hydrogen donor atoms and blue near hydrogen acceptor atoms on the bases).
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An acceptance by the holder of the acceptor's offer to pay a composition is not a renunciation of the holder's rights.
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Once excited, the electron is quickly shuttled from the chlorophyll to a nearby "acceptor" molecule, setting off a series of electron transfers.
Science News / Features, Blog Entries, Column Entries, Issues, News Items and Book Reviews
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The acceptor of the holder to participate in and be the acceptor for honor of all the parties responsible for flac.
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The accepted view of plant adaptation to low oxygen concentrations holds that below certain oxygen limits, plant cells cannot sustain respiration due to lack of an electron acceptor for the terminal oxidases.
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This indicates that the bound azide is required to detect the 410-nm signal and suggests that azide plays the role of the proton acceptor.
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The Money Controls product lines include coin hoppers, coin acceptors and bill validators.
Crane Co. Completes Acquisition of Money Controls to Strengthen Its Payment Solutions Business - Yahoo! Finance
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Although the discussion above has been limited to the side chains, the peptide backbone also forms hydrogen bonds with the DPPC acceptor headgroups.
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The iron - sulphur cluster associated with the Rieske centre of proteins normally functions in electron transfer reactions as it can act as an electron acceptor and donor.
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Nitrate ion has been shown to act as a terminal electron acceptor in the denitrification process in flooded soils and has been suggested to play a similar role in plants.
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Second, carbon tetrachloride is known to act as an electron acceptor.
