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1 on sulfide mineral that is oxidized by trace oxygen.
2 sources such as antibiotics and supplemental oxygen.
3 cebo group were still receiving supplemental oxygen.
4 rdination between the boron and the phenolic oxygen.
5 se ratio in both the presence and absence of oxygen.
6 such as the reduction of methyl viologen or oxygen.
7 ility with reference to the mole fraction of oxygen.
8 tinguished due to the strong interference of oxygen.
9 or cemtirestat by replacement of sulfur with oxygen.
10 proliferative advantage, particularly in low oxygen.
13 ed at baseline, 4/7 were fully recovered off oxygen, 2/7 were still hospitalized, and 1/7 had died.
14 .8-8.0), P < 0.01], and fraction of inspired oxygen [25% (IQR: 21-31) vs 42% (IQR: 30-80), P < 0.01]
15 sible proton movements during heme-catalyzed oxygen activation, as well as on ascorbate oxidation.
16 evolved-a noncooperative homodimer with high oxygen affinity that existed before the gene duplication
17 riendly and deals with greener oxidants like oxygen, affording 1,4-ketocarbonyls as a value-added end
19 ophilic aromatic substitution reactions with oxygen and carbon nucleophiles to provide access to a va
22 -gas respiratory cycle-that insures adequate oxygen and nutrient delivery to meet local metabolic dem
26 a set of positive feedbacks, mediated by the oxygen and sulfur cycles, that led to permanent state ch
27 ly convert endogenous hydrogen peroxide into oxygen and then elevate the production of tumor-toxic si
30 g noninvasive ventilation or nasal high-flow oxygen; and 6.7% receiving invasive mechanical ventilati
31 se II, 6-minute maternal hyperoxia with 100% oxygen; and phase III, 5.6-minute return to resting stat
32 lectrochemical side reactions with molecular oxygen are shown to occur during organic electrochemical
34 methylene unit of the adamantane group by an oxygen atom increases the solubility, permeability, and
35 ch occurs via the cis form when the terminal oxygen atom of the NOO moiety reacts with the ortho posi
40 this study was to compare the ratio of renal oxygen availability (RO(2)) to glomerular filtration rat
41 Methane oxidation was strictly dependent on oxygen availability and led to enrichment of (13) C in r
42 observed interactive effects of temperature, oxygen availability, and body size predict that global w
43 P05 are more active and respire nitrate when oxygen becomes available at low concentrations suggests
45 one of: mechanical ventilation, supplemental oxygen, bronchodilators or steroids at 28 days or discha
46 on receptors involved in chemosensitivity to oxygen, but well-established pathophysiological mechanis
47 omplex interplay between Hb (hemoglobin) and oxygen, carbon dioxide, and nitric oxide-the three-gas r
49 1(28-36) to shift substrate utilization from oxygen-consuming fatty acid metabolism toward oxygen-spa
50 a complex and dynamic oxygen cycle in which oxygen consumption and corresponding carbon oxidation ar
55 cretion, partly due to reduced mitochondrial oxygen consumption rate, glucose-stimulated Ca(2+) flux,
56 irds (Aves) display high metabolic rates and oxygen consumption relative to mammals, increasing react
57 thelial cells results in decreased uncoupled oxygen consumption, increased fission, decreased membran
58 ls with LKB1 knockdown had a reduced rate of oxygen consumption, which was partially restored by PDK4
61 teraction between Pd clusters and the nearby oxygen-containing functional groups is key for the high
62 TR-FTIR) spectroscopy revealed a presence of oxygen-containing functional groups on the DLC surface.
63 surface act as electron pumps that stabilize oxygen-containing species and facilitate the continuity
65 this context, it is blood flow and not blood oxygen content that is the main driver of tissue oxygena
66 re performed in both eyes to measure retinal oxygen contents and total retinal blood flow, respective
67 ive oxygen species and a complex and dynamic oxygen cycle in which oxygen consumption and correspondi
70 ute ventilation, cardiac output and systemic oxygen delivery did not differ between protocols (P > 0.
72 In this context, increasing extracorporeal oxygen delivery, increases the respiratory quotient of t
74 mperatures, low oxygen supply and increasing oxygen demand, high and rising exposure to ultraviolet r
76 promotes FBXL5 binding to IRP2 to effect its oxygen-dependent degradation, unveiling a novel and prev
77 mors during fractionated radiotherapy, using oxygen-dependent quenching of phosphorescence, oxygen pr
80 llows animals and plants to acutely adapt to oxygen deprivation, its functional and historical roots
81 fic tracheal intubation-associated events or oxygen desaturation events occurred in 40.2% of patients
82 perovskite exhibits a 12.8-fold increase in oxygen diffusivity, which matches well with the 10-fold
83 velop a non-invasive method to track spatial oxygen distributions in tumors during fractionated radio
84 quency variability in temperature, dissolved oxygen (DO), and pH increases as pCO(2) increases in the
85 O(cell) when the proportion of exchangeable oxygen during cellulose synthesis (P(ex) ) was kept cons
87 dy aimed to investigate whether supplemental oxygen during hypothermic machine perfusion (HMP) could
95 ctivated by reaction with a hematite surface oxygen first, followed by a catalytic cycle through a mo
96 have a unique ability to activate molecular oxygen for subsequent oxidative cleavage of glycosidic b
97 verns the transport rate of contaminants and oxygen from the gas phase to the liquid phase, where pol
98 ot only tolerates the presence of all of the oxygen functionalities, but also is facilitated by them.
100 2) porphyrins showed decent in vitro singlet oxygen generation, which was supported by the intracellu
101 traphenylethylene (DPPTPE) with high singlet-oxygen-generation ability both in dichloromethane and wa
102 ulation of lipopolysaccharide (LPS), KCl and oxygen/glucose deprivation (OGD) that reflect inflammati
104 8 hours; 95% CI, 22 to 34); the conservative-oxygen group spent less time with an Spo(2) exceeding 96
106 he ICU with an Fio(2) of 0.21 than the usual-oxygen group, with a median duration of 29 hours (interq
107 trial provides no indication that nocturnal oxygen has a positive or negative effect on survival or
109 scovered evidence for an upregulation of the oxygen homeostasis maintaining pathway involving Hypoxia
110 racellular accommodation of bacteria, nodule oxygen homeostasis, the control of bacteroid differentia
115 environmental half-life of DA due to singlet oxygen-induced transformations is between 5 and 63 days.
119 ural observations, backed up with carbon and oxygen isotope data, which indicate an intimate associat
120 Asia, seasonally and interannually depleted oxygen isotope ratios in precipitation have been linked
123 scopy showed that water added to methane and oxygen led to surface methoxy groups and accelerated met
127 ivity was assessed using resting-state blood oxygen level-dependent functional MRI to measure the fra
132 However, their chemical instability towards oxygen, light and heat limits its applications in food i
133 Genomic analysis revealed adaptations to oxygen-limitation as well as pathways for mixed-acid fer
134 pment of a visible light-induced and singlet oxygen-mediated green protocol has been accomplished for
135 tinal vessels and measured the total retinal oxygen metabolic rate in rats using visible-light optica
136 igh concentrations have been observed in the oxygen minimum zones (OMZs) of the tropical Pacific but
138 rst oxygenation strategies included standard oxygen (n = 245, 38%), noninvasive ventilation (n = 285;
139 tion (n = 285; 44%), high-flow nasal cannula oxygen (n = 55; 8%), and noninvasive ventilation + high-
141 ory distress at birth, need for supplemental oxygen, neonatal ventilator use, and neonatal resection
143 r function ensure that increased delivery of oxygen, nutrients, and endocrine factors to organs durin
145 eli phases through a double annealing route: oxygen (O(2)) annealing followed by annealing in 2% hydr
146 us computational analysis indicated that the oxygen (O(2)) status of the tumor and HBOC O(2) affinity
147 dial growth along with stable carbon (C) and oxygen (O) isotope composition (delta(13) C and delta(18
148 is reflected in the reactivity-reaction with oxygen occurs selectively at a position with the highest
149 when oxides, allow for face-sharing of metal-oxygen octahedra or trigonal prisms within their structu
152 of this study was to evaluate the effect of oxygen on wine colour during ageing in barrels and bottl
153 er conditions for low-temperature NH(3)-SCR, oxygen only reacts with Cu(I) ions, which are present as
154 ing, but not limited to, pathogen intrusion, oxygen or nutrient starvation, proteotoxic and organelle
156 The effects of a systematic modulation of oxygen over-stoichiometry of VO(2) from 1.86 to 2.44 on
157 onally, they show a more stable pH, a higher oxygen partial pressure (pO(2)), and a lower carbon diox
159 ygen-dependent quenching of phosphorescence, oxygen probe Oxyphor PtG4 and the radiotherapy-induced C
160 ucts is complex, initiated by regioselective oxygen radical addition to the carbon-carbon double bond
161 ioned, among other factors, by the amount of oxygen received during this process, which thus impacts
162 oxyfluoride, Li(2)MnO(2)F, we show that the oxygen redox process in such materials involves the form
163 on phenomenon is attributed to the nature of oxygen redox which is very likely mostly associated with
164 Li(0.25)Mn(0.75)]O(2), present in almost all oxygen-redox compounds, is lost on charging, driven in p
165 hain reaction, initiated by electrocatalytic oxygen reduction on the cathodic membrane side and subse
166 retic propulsion mechanism and establish the oxygen reduction reaction (ORR) as the major surface rea
169 omposite endpoint of nonrebreather or higher oxygen requirement and death (n events = 25 of 77) inclu
170 se (odds ratio [OR], 7.4; 95% CI, 2.5-22.0), oxygen requirement at hospitalization (OR, 2.9; 95% CI,
171 to be peripherally restricted, affect brain oxygen responses induced by intravenous heroin at low, h
173 s with ACS, fever (>38.5 degrees C), reduced oxygen saturation (<95) and asplenia significantly diffe
175 , and cardiovascular risk factors, only mean oxygen saturation during sleep was associated with bilat
177 s severe desaturation (defined as peripheral oxygen saturation reading < 80% during intubation).
183 cribe the understanding of the mechanisms of oxygen sensing and hypoxia signaling that resulted in th
186 In this way, the anaerobic excellence and oxygen sensitivity of B. thetaiotaomicron are two sides
187 s of the prolyl hydroxylase domain isoform 1 oxygen sensor in mice (PHD1(KO)) reduces muscle mass.
189 ssing a constitutively stable version of the oxygen sensor RELATED TO APETALA2 12 (RAP2.12), indicati
191 ral ORs in triggering brain hypoxia, we used oxygen sensors in freely moving rats to examine how nalo
193 ALA2 12 (RAP2.12), indicating convergence of oxygen signaling with epigenetic regulation of gene expr
194 xygen-consuming fatty acid metabolism toward oxygen-sparing glycolysis and glucose oxidation and to i
196 eprivation leads to accumulation of reactive oxygen species (ROS) and consequent oxidative stress, sp
207 -mediated increase of intracellular reactive oxygen species (ROS) levels and Src protein phosphorylat
210 Singlet oxygen ((1)O(2)), the major reactive oxygen species (ROS) produced in chloroplasts, has been
211 Hydrogen peroxide (H(2)O(2)) is a reactive oxygen species (ROS) that mediates essential signaling i
212 n, calcium signaling, generation of reactive oxygen species (ROS), and additional determinants of cel
213 cetylcysteine (NAC), a scavenger of reactive oxygen species (ROS), diminished the morphological and m
214 ted to the AMP sensitizing cells to reactive oxygen species (ROS), making them more susceptible to RO
217 y specific demethylase(s) generates reactive oxygen species (ROS), which oxidize DNA and other cellul
218 lammatory responses is the burst of reactive oxygen species (ROS), with hydrogen peroxide (H(2) O(2)
223 zed that an increase in calcium and reactive oxygen species activate a large conductance channel in t
224 derscore prolific marine sources of reactive oxygen species and a complex and dynamic oxygen cycle in
225 phaSyn that form in the presence of reactive oxygen species and cytochrome c, a proapoptotic peroxida
226 the substrates, which is caused by reactive oxygen species and leads to a mixture of products, the m
228 cally with doxorubicin by producing reactive oxygen species but also provide catechol moieties for th
229 , low adiponectin levels, increased reactive oxygen species damage, and elevated GDF15 and FGF21 leve
231 rited ability of TiO(2) to generate reactive oxygen species is used as a strategy to avoid adding H(2
232 osine 5'-triphosphate contents, and reactive oxygen species levels in hepatoma cells (Hepa1-6), a pro
233 bition resulted in reduced cellular reactive oxygen species production compared with negative control
234 ophil extracellular trap formation, reactive oxygen species production, and released human neutrophil
237 important role in the resistance to reactive oxygen species through the regulation of manganese trans
240 damaged by spontaneous hydrolysis, reactive oxygen species, aberrant cellular metabolism or other pe
241 diseases, including neural fibrils, reactive oxygen species, and cofilin-actin rods, present numerous
244 ATP production, such as calcium and reactive oxygen species, are also key regulators of mitochondrial
246 responsible for the Fls3-sustained reactive oxygen species, suggesting involvement of multiple struc
253 itional severity criteria as follows: use of oxygen supplementation of more than 4 L/min flow; use of
254 and hypoxemic respiratory failure requiring oxygen supplementation whose Pao(2) increased >=20% with
255 ich include low but rising temperatures, low oxygen supply and increasing oxygen demand, high and ris
257 tivity reverses these alterations, restoring oxygen supply to the tissue and enabling recovery of mus
258 ctivity normalized these effects, increasing oxygen supply, restoring optimal diaphragm functional pr
260 (HMDSO) for accurate measurements of tissue oxygen tension (pO(2)) using Proton Imaging of Siloxanes
261 the jugular venous bulb oxygen tension-brain oxygen tension gradient (16 mm Hg [sd, 6] vs 39 mm Hg SD
262 of jugular venous bulb oxygen tension-brain oxygen tension gradient to cerebral perfusion pressure (
263 n tissue oxygen tension, jugular venous bulb oxygen tension, and cerebral perfusion pressure were 29
264 Patients underwent monitoring with brain oxygen tension, intracranial pressure, cerebral perfusio
265 In the normoxia group, the mean brain tissue oxygen tension, jugular venous bulb oxygen tension, and
266 icant differences in the jugular venous bulb oxygen tension-brain oxygen tension gradient (16 mm Hg [
267 d in the relationship of jugular venous bulb oxygen tension-brain oxygen tension gradient to cerebral
269 olved strategies to neutralize the impact of oxygen that can be added to and integrated into the exis
270 erm for an array of derivatives of molecular oxygen that occur as a normal attribute of aerobic life.
272 Rationale: Aerosol generation with modes of oxygen therapy such as high-flow nasal cannula and nonin
273 9, 95% CI 1.4 to 746, P = 0.03) and need for oxygen therapy with C4d (11.7, 1.1 to 130, P = 0.045).
274 uces reintubation compared with conventional oxygen therapy, but not compared with noninvasive ventil
275 Mammalian cells respond to insufficient oxygen through transcriptional regulators called hypoxia
276 d blood cells [RBCs]) as passive carriers of oxygen to recognizing the complex interplay between Hb (
279 creasing I above 1 m and adding diacids with oxygen-to-carbon molar ratio (O:C > 1) significantly red
281 and beta-subunits that mediates respiratory oxygen transport and exchange by cooperatively binding o
282 onsible for numerous functions, ranging from oxygen transportation to host defense, to injury repair.
284 eters of aerobic performance are the maximal oxygen uptake ( VO2max ), critical power (CP) and speed
286 Fe, Y) controls the concentration of surface oxygen vacancies (V(O)) in these materials whereby an in
287 behavior disappears, further confirming the oxygen vacancies as being responsible for the memristive
289 results verify the existence of bifunctional oxygen vacancies in the 2D black In(2) O(3-) (x) nanoshe
290 These mechanisms are (i) the formation of oxygen vacancies that couples to the electrostatic energ
291 en annealed at high temperature to eliminate oxygen vacancies, Al is doped into the ZnO nanosheet, an
293 acts as an effective dopant to modulate the oxygen vacancy (V(O) ) concentration and Ti(3+) formatio
295 because the statistical ensemble behavior of oxygen vacancy defects is deterministic even when indivi
296 underscore the importance of the interfacial oxygen vacancy migration and redistribution in controlli
297 ionship between short range order and cation-oxygen-vacancy coordination remains a subject of active
299 ma(2-) with bridging sulfurs and carboxamide oxygens within Mn-mu-S-CH(2) -C-O, 5-membered rings.
300 sive care unit; 46.8% receiving supplemental oxygen without positive pressure; 11.5% receiving noninv