ライフサイエンスコーパス: dissolved oxygen

1 s(III) oxidation reaction in the presence of dissolved oxygen.

2 s heterogeneously oxidized to ferric iron by dissolved oxygen.

3 T) technique is evaluated for measurement of dissolved oxygen.

4 performance was affected by illumination and dissolved oxygen.

5 re, salinity and substrate concentration and dissolved oxygen.

6 ve species in the catalytic redox cycle) and dissolved oxygen.

7 lution conditions such as pH and presence of dissolved oxygen.

8 respiratory activity via the consumption of dissolved oxygen.

9 ow in the presence of greater than 5 micro M dissolved oxygen.

10 , so strict care must be taken to remove all dissolved oxygen.

11 dTe dissolution rate increased linearly with dissolved oxygen.

12 I) formation and an unexpected production of dissolved oxygen.

13 in natural sunlight, even in the presence of dissolved oxygen.

14 As(III), independent to the availability of dissolved oxygen.

15 ccurs through the inactivation of (3)DOM* by dissolved oxygen.

16 variable availability of organic carbon and dissolved oxygen.

17 ments like streambeds is the distribution of dissolved oxygen.

18 The SECM methodology also demonstrates how dissolved oxygen affects the rate of hydrogen extraction

19 the transport of heat, nutrients, plankton, dissolved oxygen and carbon in the ocean.

20 Vertical profiles of dissolved oxygen and dissolved and solid Mn suggest that

21 Optical sensors for dissolved oxygen and dissolved carbon dioxide are now co

22 Redox agents such as dissolved oxygen and hydrogen peroxide have no effect on

23 minantly anoxic and ferruginous (depleted in dissolved oxygen and iron-bearing), but with a tendency

24 ones (OMZ) of the Pacific and Indian Oceans, dissolved oxygen and N2O concentrations in the Atlantic

25 decomposition and water clarity and elevated dissolved oxygen and net primary productivity.

26 erference from the irreversible reduction of dissolved oxygen and present methods to circumvent these

27 tive associations between THM occurrence and dissolved oxygen and recharge indicate the recycling of

28 tic crust, which we calculate from modelling dissolved oxygen and strontium pore water gradients in b

29 Significant differences in the effluent dissolved oxygen and sulfate concentrations were noted a

30 -dioxane is often hindered by the absence of dissolved oxygen and the co-occurrence of inhibiting chl

31 ission is attributed to the reaction between dissolved oxygen and two different products of TPrAH oxi

32 pelagic carbonate dissolution, a decrease in dissolved oxygen, and a benthic foraminiferal extinction

33 rmed from the hydroxido ligands and not from dissolved oxygen, and ammine ligands are products from t

34 Subsurface hydrocarbon composition, dissolved oxygen, and dispersant data are used to assess

35 hetes were exposed to differential levels of dissolved oxygen, and distinct alterations were observed

36 uently observed in samples with high pH, low dissolved oxygen, and low nitrate.

37 had the strongest effect on bacteria, while dissolved oxygen appeared to be a major driver for eukar

38 The role of dissolved oxygen as a principal electron acceptor for mi

39 Under anoxic conditions (absence of dissolved oxygen), As(III) oxidation occurred, but the A

40 A zone of higher dissolved oxygen at the mat surface promotes Fe(III)-oxi

41 and 4-8 hPa (approximately 0.16-0.32 mg/L of dissolved oxygen) at ambient air oxygen concentrations (

42 0.5-2.0 hPa (approximately 0.02-0.08 mg/L of dissolved oxygen) at low oxygen concentrations (<50 hPa)

43 al (temperature) and chemical (conductivity, dissolved oxygen) attributes have become integral to aqu

44 A large region of low-dissolved-oxygen bottom waters (hypoxia) forms nearly ev

45 ger of the generated nitric oxide is not the dissolved oxygen but rather superoxide anion radical gen

46 n its spatial relationship with bottom-water dissolved oxygen (BWDO) concentration using a geostatist

47 to overlying water PCBs, lipid fraction, and dissolved oxygen concentration (regulating gill ventilat

48 We show that the dissolved oxygen concentration does not appear to affect

49 e estimated by use of the Microtox assay and dissolved oxygen concentration measurements.

50 thin sediments, equivalent to an increase in dissolved oxygen concentration of 15-20 micromoles per l

51 Low dissolved oxygen concentration of subsurface environment

52 xperimental conditions, such as temperature, dissolved oxygen concentration, and viscosity.

53 ieve real-time measurements of intracellular dissolved oxygen concentration.

54 h corresponds to a 90% reduction in terms of dissolved oxygen concentration.

55 hase, the rate of which responds linearly to dissolved oxygen concentration.

56 the path of both Steps due to the increasing dissolved oxygen concentration.

57 of cold temperatures (<6 degrees C) and low dissolved oxygen concentrations (<1-3 ml l(-1)).

58 t various temperatures (25-70 degrees C) and dissolved oxygen concentrations (0-100% O2 in the gas ph

59 plot (r(2) = 0.999) over the whole range of dissolved oxygen concentrations (0-43 ppm).

60 n pathways in the AlS-IACW system under high dissolved oxygen concentrations (3-6 mg L(-1)) without s

61 Dissolved oxygen concentrations dropped from approximate

62 Furthermore, dissolved oxygen concentrations in streambed pore water

63 Here we apply this proxy to estimate past dissolved oxygen concentrations in the near surface wate

64 uction was observed at higher EBCT where low dissolved oxygen concentrations may have limited biologi

65 itro into EMT6 cells was investigated at the dissolved oxygen concentrations of 0, 1 x 10(3), 5 x 10(

66 ucoid derivative of strain PAO1 each grew at dissolved oxygen concentrations of less than 3 microM.

67 pplied a biogeochemical model that simulates dissolved oxygen concentrations on the shelf in response

68 Dissolved oxygen concentrations suggest that microbial r

69 r standardized conditions, we observed lower dissolved oxygen concentrations with the protocatechuic

70 he dark, when microbial respiration depleted dissolved oxygen concentrations within the biomat.

71 oups on the OMZ margin are abundant at lower dissolved oxygen concentrations, including sulphur-cycli

72 n is accompanied by corresponding changes in dissolved oxygen concentrations, proxy data reflecting o

73 d during periods of low water table and high dissolved oxygen concentrations.

74 aining sustained limiting extant nitrite and dissolved oxygen concentrations.

75 strong dependence on both organic carbon and dissolved oxygen concentrations.

76 studying the kinetics of dissolved oxygen consumption in the presence of suspende

77 Dissolved oxygen content, rather than temperature, exerc

78 ent pressure, and it significantly increases dissolved oxygen content.

79 id photoreaction of GO is insensitive to the dissolved oxygen content.

80 Results indicate that dissolved oxygen, crops and irrigated cropland, fertiliz

81 Those WW components, as well as limited dissolved oxygen, decreased dissolution in WW.

82 sh kills occurred in association with severe dissolved oxygen deficits and high contaminant loadings

83 Seasonal development of dissolved-oxygen deficits (hypoxia) represents an acute

84 n wastewater system (UWS) by targeting river dissolved oxygen depletion and ammonia peaks, reducing c

85 Nutrient enrichment and dissolved oxygen depletion that occur following these ev

86 well the dynamic ammonium, nitrite, nitrate, dissolved oxygen (DO) and N2O data collected from both a

87 is seasonal trend is opposite to that of the dissolved oxygen (DO) and nitrate concentrations.

88 owmelt-driven water table peaking transports dissolved oxygen (DO) and nitrate from the vadose zone i

89 shifts of the dominating pathway at various dissolved oxygen (DO) and nitrite levels, consistent wit

90 SND under high dissolved oxygen (DO) brings high nitrogen conversion ra

91 f Mexico imparted a significant reduction in dissolved oxygen (DO) concentration and stimulated a blo

92 ted sludge process, reducing the operational dissolved oxygen (DO) concentration can improve oxygen t

93 of the oxygen and nitrogen input gases, the dissolved oxygen (DO) concentration in proximal microcha

94 At dissolved oxygen (DO) concentration of 0.55 mg O2/L, fur

95 and nanoparticulate FeS as a function of pH, dissolved oxygen (DO) concentration, and FeS content.

96 Hypoxic conditions, defined as dissolved oxygen (DO) concentrations below 2 mg/L, are a

97 a continuous system, very high and very low dissolved oxygen (DO) concentrations resulted in lower e

98 ncentrations, solid retention time (SRT) and dissolved oxygen (DO) concentrations), two full-scale mu

99 Dissolved oxygen (DO) did not observably inhibit Cr(VI)

100 icroelectrode measurements demonstrated that dissolved oxygen (DO) in biofilm-free dermal tissue was

101 nsor for in situ and real time monitoring of dissolved oxygen (DO) in environmental waters.

102 xidation of biogenic noncrystalline U(IV) by dissolved oxygen (DO) in the presence of mackinawite (Fe

103 sitive optical detection of oxygen including dissolved oxygen (DO) is of great interest in various ap

104 The influent dissolved oxygen (DO) level was increased stepwise to 6.

105 was significantly related to differences in dissolved oxygen (DO) level, and it was not explained by

106 idized and depleted, giving rise to elevated dissolved oxygen (DO) levels and remobilization of U(IV)

107 Under dissolved oxygen (DO) levels of 2.5-3.0 mg/L, N2O emissi

108 c-susceptible population, as a small drop in dissolved oxygen (DO) saturation (20%) allows for their

109 le, which can deliver significant amounts of dissolved oxygen (DO) to the shallow groundwater.

110 mplistic approach for producing gradients of dissolved oxygen (DO) within a lab-on-a-chip platform.

111 On the basis of dissolved oxygen (DO), ammonium, nitrite, and nitrate pr

112 nite dissolution is profoundly influenced by dissolved oxygen (DO), carbonate, and solutes such as Ca

113 Dissolved oxygen (DO), nitrate, and dissolved organic ca

114 oped when a simulated groundwater containing dissolved oxygen (DO), nitrate, arsenate, and sulfate wa

115 Changes in dissolved oxygen (DO), pH, and other variables were simi

116 the relationships between N2O flux and NO3-, dissolved oxygen (DO), temperature, land use and surfici

117 reased chl-a, reduced water clarity, and low dissolved oxygen (DO), while decreased N loadings from 1

118 ing is driven mainly by the concentration of dissolved oxygen (DO).

119 mposition rate leads to rapid consumption of dissolved oxygen (DO).

120 (IV) stability in the presence of nitrite or dissolved oxygen (DO).

121 s techniques rely on pretreatments to remove dissolved oxygen (DO).

122 Short-term (1.7 mg/L dissolved oxygen, DO for 3 days to 1 week) and long-term

123 In vitro intracellular changes of dissolved oxygen due to cell respiration were monitored,

124 trophication will affect metabolic rates and dissolved oxygen dynamics in the future are needed to el

125 arks indicates they were able to exploit low dissolved oxygen environments (<1-3 ml l(-1)), occasiona

126 addition, quenching of the excited state by dissolved oxygen exhibits a pH dependence that parallels

127 as monitored during UV-A illumination with a dissolved oxygen fiberoptic microsensor.

128 on of mediator sensitivity to reoxidation by dissolved oxygen for improvement of microbial solar cell

129 It is shown here that the elimination of dissolved oxygen from samples is critical when covalentl

130 gh singlet oxygen, a highly reactive form of dissolved oxygen generated by sunlight irradiation of di

131 microbial community along a hypoxic to oxic dissolved oxygen gradient revealed that the relative abu

132 Here we sample across dissolved oxygen gradients in the oceans' largest OMZ an

133 Surface water characteristics (e.g., high dissolved oxygen, high pH, and enrichment of (13)C in CO

134 es microbial activity and the consumption of dissolved oxygen in bottom waters.

135 genian ocean basins (>635 Myr ago) contained dissolved oxygen in concentrations sufficient to support

136 For example, the concentration of dissolved oxygen in Pacific intermediate waters was cons

137 However, precise measurement of dissolved oxygen in real time remains difficult.

138 al method (Winkler titrations) for measuring dissolved oxygen in seawater, however, is much too high

139 was inversely proportional to the amount of dissolved oxygen in solution.

140 Concentrations of dissolved oxygen in the ocean seem to correlate well wit

141 ith the heterogeneous oxidation of Fe(II) by dissolved oxygen in the presence of goethite (1.9 x 10(-

142 Dissolved organic carbon and dissolved oxygen in the water column, as well as SigmaRE

143 also is sensitive to selective quenching by dissolved oxygen, in which only cis stereoisomers are pr

144 Dissolved oxygen increased the rate at pH 0.

145 Importantly, dissolved oxygen is available at least at the lake surfa

146 Dissolved oxygen is completely consumed within the upper

147 Calculations suggest that food, not dissolved oxygen is the limiting factor for eukaryal pop

148 ies, such as Na+, K+, Li+, NH4+, Ca2+, Mg2+, dissolved oxygen, lactate, ascorbate, and urate, which a

149 dation, to 16) and bimolecular reaction with dissolved oxygen (leading to 4 and 17 in a 1:1 ratio).

150 longer time points (>10 h), the presence of dissolved oxygen led to a greater production of CO2 than

151 of coastal water quality in the form of low dissolved oxygen levels (hypoxia) can harm biodiversity,

152 Dissolved oxygen levels fell below the 9.0 ppm standard

153 Dissolved oxygen levels were measured at weekly or longe

154 ting the greater diversity; redox regime and dissolved oxygen levels were the main environmental driv

155 River Basin were monitored for temperature, dissolved oxygen levels, and fecal bacterial concentrati

156 reduced the water temperature, salinity and dissolved oxygen levels.

157 s revealed the development of abnormally low dissolved-oxygen levels as a response to anomalously str

158 Dissolved oxygen limitation did not govern NOB suppressi

159 reased while napA expression decreased under dissolved-oxygen-limiting conditions, whereas flaB was n

160 Coastal hypoxia (dissolved oxygen </= 2 mg/L) is a growing problem worldw

161 ace oxygen mass balance model and continuous dissolved oxygen measurements from four locations to pro

162 bundance, oxidation-reduction potential, and dissolved oxygen measurements indicated that microbial g

163 These results indicate that dissolved oxygen modulates gene expression in B. burgdor

164 To test the possibility that dissolved oxygen modulates gene expression in B. burgdor

165 Oxidants (e.g., dissolved oxygen, nitrate) flowing in from upgradient ap

166 ggests a model describing the consumption of dissolved oxygen (O(2)) in the hypolimnia of eutrophic l

167 surements of bacterial sulfate reduction and dissolved oxygen (O2) in hypersaline bacterial mats from

168 Warming of the oceans and consequent loss of dissolved oxygen (O2) will alter marine ecosystems, but

169 In unfed controls, the concentration of dissolved oxygen ([O2]) in all replicates exhibited regu

170 e important for assessing the impacts of low dissolved oxygen on aquatic ecosystems at large spatial

171 kely to enable new studies on the effects of dissolved oxygen on cellular behavior.

172 rfaces did not influence the rate of loss of dissolved oxygen or oxidation of ascorbic acid.

173 with cells grown with 20 microM or 3 microM dissolved oxygen, or anaerobically with nitrate, reveale

174 tions that the complex is indeed tolerant to dissolved oxygen over timescales long enough for practic

175 emained relatively unchanged with respect to dissolved oxygen, pH, and ammonia-nitrogen, although tem

176 e variables related to ecosystem metabolism (dissolved oxygen, pH, and chlorophyll-a concentration) a

177 Directly measured variables (dissolved oxygen, pH, and chlorophyll-a concentration) r

178 Dimensionless parameters were used to model dissolved oxygen profiles and establish that mass transf

179 goals of the study were to measure and model dissolved oxygen profiles within high-temperature (65-75

180 displays a unimodal pattern with decreasing dissolved oxygen, reaching maximum values on the edge of

181 We employ dissolved oxygen regimes that represent natural aquatic

182 Electrochemical sensors for pH and dissolved oxygen remain the most commonly used in biopro

183 activates the protease; recycling of PTH2 by dissolved oxygen results in complete inhibition of the p

184 (3) physical and chemical stressors such as dissolved oxygen, salinity, and upwelling; and (4) adapt

185 Concentrations of algal pigments, dissolved oxygen saturation, and pH rapidly declined fol

186 utilizes 96-well-type electrodes array (DOX-dissolved oxygen sensor) with principal component analys

187 We eliminated interference from dissolved oxygen, separated xylose and mannose along wit

188 Temperature, sulfide, As and dissolved oxygen significantly shaped the microbial comm

189 (2 mM and 10 mM) of K2S2O8 and 8.2 mg L(-1) dissolved oxygen suggested that monomeric U(IV) species

190 The flavin radical is affected by dissolved oxygen, suggesting that its binding site withi

191 the model are chlorophyll a, sediment type, dissolved oxygen, temperature, and depth.

192 Dissolved oxygen/temperature probes and septa for inject

193 the transition from a high oxygen level (10% dissolved oxygen tension or DOT) to a low oxygen level (

194 The CaO2 shells could quickly increase dissolved oxygen to extremely anaerobic water in the ini

195 wed by oxidation of the Fe(II)-TC complex by dissolved oxygen to generate a Fe(III)-TC complex and re

196 ogenerated electrons and their reaction with dissolved oxygen to produce superoxide anions.

197 The algal growth provided dissolved oxygen to the cathode reaction of the MFC, whe

198 rates might produce enough fixed carbon and dissolved oxygen to yield net production as an average o

199 bedding) nanosensors have been developed for dissolved oxygen using organically modified silicate (or

200 -defined free Fe(II) was lost on exposure to dissolved oxygen was also enhanced by the more mature OC

201 The evolution of dissolved oxygen was found to be similar in all bottles,

202 the arsenite/goethite under conditions where dissolved oxygen was present in solution led to the pres

203 How much dissolved oxygen was present in the mid-Proterozoic ocea

204 In addition, dissolved oxygen was produced in the anode, resulting in

205 Dissolved oxygen was selectively depleted (2- to 3-fold)

206 on oxidation in the presence of goethite and dissolved oxygen was the primary reason for the higher A

207 revealed a continuous, shelfwide band of low dissolved oxygen waters that were dominated by Thaumarch

208 e well predicted by redox indicators (Eh and dissolved oxygen) whereas Mn shows no significant relati

209 same depth as a nutrient maximum with lower dissolved oxygen, which is consistent with the recent fi

210 attenuation and increasing concentrations of dissolved oxygen, while the same analysis found a negati

211 s grown under aerobic conditions (185 microM dissolved oxygen) with cells grown with 20 microM or 3 m

212 We mapped the distribution of dissolved oxygen within isolated bovine lenses and also