ライフサイエンスコーパス: pH

1 pH influenced strongly vitamin C degradation in citrate-

2 pH positively affected peptides, soluble phenolic compou

3 pH strongly affected sorption as negatively charged anal

4 mmonium formate aqueous buffer (50mmolL(-1), pH 9), representing a simple, cheap and chemically frien

5 g low noise, high pH sensitivity (20.3microA/pH) and transconductance values up to 800 microS.

6 sol pH differences in excess of 0.8 and 0.65 pH units, respectively.

7 is composed of an electrical potential and a pH gradient.

8 ZntB mediates Zn(2+) uptake, stimulated by a pH gradient across the membrane, using a transport mecha

9 vascular plants, is primarily triggered by a pH gradient across the thylakoid membrane (pH).

10 of bacterial betaG-specific inhibitors in a pH-dependent manner.

11 nitude for the full-length wild-type KcsA, a pH-gated bacterial channel, in membrane bilayers.

12 al proof which validates the hypothesis of a pH change during electroomostic flow hysteresis as predi

13 Electrochemical analysis revealed a pH-dependent and remarkably high Fe(III)-OH/Fe(II)-OH2 r

14 Our findings revealed a pH-dependent release of the ligand associated with a con

15 equently escape the early endosome through a pH-triggered disassembly mechanism.

16 ld dilution and analysis by LC-MS/MS using a pH 10 carbonate buffer.

17 6 and Zm-NPF6.4) showed that Zm-NPF6.6 was a pH-dependent nonbiphasic high-affinity nitrate-specific

18 mposed by hydrogen bonding to water, where a pH-dependent excitation energy appears to be an intrinsi

19 al conditions (high salts, serum, and acidic pH).

20 ith high affinity at both neutral and acidic pH, prevents the simultaneous binding of IgG, and reduce

21 H7N9 HA with subnanomolar affinity at acidic pH and 10-fold lower affinity at neutral pH.

22 association of LDL with LDLR-R410S at acidic pH, a reduced LDL delivery to late endosomes/lysosomes,

23 tionally assumed to be stable only at acidic pH, have been found to form under near-physiological con

24 A2R NC3 fragment and was increased in acidic pH.

25 cid-induced stress, and we found that acidic pH increases the open probability of SspA.

26 ral pH (Keq = 10(-38.65)) compared to acidic pH (Keq = 10(-44.81)).

27 eased iron(II) ions from IO NPs under acidic-pH condition.

28 n soluble solid content, titratable acidity, pH of the pulp as well as in sugar content and decreased

29 echlorinating isolates obtained from the ACS pH 5.5 enrichment shared 98.6%, and 98.5% 16S rRNA gene

30 g tri-distilled water without salt, adjusted pH of 5.4 and a flow rate of 0.36mL/min.

31 a thorough thermodynamic analysis of aerosol pH and its sensitivity to NH3 levels.

32 ummer and at night, with urban-rural aerosol pH differences in excess of 0.8 and 0.65 pH units, respe

33 aP) between internal silage and ambient air, pH and silage temperature (Tsi) during the ensilage of m

34 mental cues, such as bile salts and alkaline pH, but how these factors influence ToxR is not yet unde

35 d harsh conditions like drought and alkaline pH.

36 maturation in vitro occurs only at alkaline pH, suggesting a proton-coupled electron transfer preced

37 At all pH levels unheated beta-lg showed resistance to peptic d

38 OB (relative to a ligand free system) at all pH values examined.

39 ants E31A and E61A show dramatically altered pH sensitivity for fibril formation supporting the impor

40 oton-exchange rates are measured at pH 5 and pH 7.

41 Water activity and pH were both determined for all samples.

42 extraction, Celluclast 10% (36 degrees C and pH 3.7) provided an extraction of 196mg.g(-1) of genipin

43 rs the amide nonisolable at 35 degrees C and pH 4 owing to the joint presence of carboxy and carboxyl

44 erimental variables (e.g., a composition and pH of the supporting electrolyte, the conditions of bism

45 3-CGA concentrations and pH were comparable between cold and hot brews.

46 this system; one was abundant in high DO and pH and contained heterotrophs and oxidizers of iron, nit

47 io of t-butanol to slurry, solid loading and pH.

48 oss a range of ionic strength (1-100 mM) and pH (2-9.5) conditions.

49 tion to this trio of temperature, oxygen and pH changes through heterotrophic plasticity.

50 eptor but YFP is prone to photobleaching and pH changes.

51 Because of its position and pH-dependent reduction potential, N2 has long been consi

52 ivation over a wide range of temperature and pH.

53 itions involving extremes of temperature and pH.

54 ponse time and low oxygen-, temperature- and pH- dependencies.

55 0.001) at constant arterial CO2 tension and pH (P = 0.27 and P = 0.23, respectively); end-expiratory

56 Thermogelling and pH-responsive characteristics of the hydrogel, as well a

57 SOA (IEPOX SOA) and aerosol liquid water and pH observed during the 2013 Southern Oxidant and Aerosol

58 n-hydroxyl co-adsorption causes the apparent pH dependence of "hydrogen" adsorption in the step sites

59 The influence of electrolytes and aqueous pH on colloidal stability of these NPs was investigated

60 eased as pH decreased from 6.5 to 4.5 and as pH increased from 6.5 to 8.5, which implicates different

61 stem, Mn(II) removal efficiency increased as pH decreased from 6.5 to 4.5 and as pH increased from 6.

62 luences of the analytical parameters such as pH, waiting time of aluminum-DEMAX complex, amount of re

63 In order to address this deficiency, ASL pH was measured in vivo in children using a novel lumine

64 Here we show that ASL pH in children with CF is similar to that of children wi

65 At pH 2.0, ebulin f displayed a more open structure than at

66 At pH 5.3, the replication rate of species I is approximate

67 At pH 7.0-8.3, the UV/free chlorine AOP was less efficient.

68 reduction potential of 680 mV vs Ag/AgCl at pH 5.2.

69 s was optimally expressed at 37 degrees C at pH 7.5.

70 a diluted purple sweet potato concentrate at pH 0.9, 2.6, 3.6, and 4.6.

71 drogen peroxide under alkaline conditions at pH 10, resembling the conditions of industrial hydrogen

72 d As(V) and Sb(V) under anoxic conditions at pH 7.

73 ntactless conductivity detection (C(4)D), at pH 2.7.

74 Electrostatic interactions dominated at pH 7, while hydrophobic effects were the main force at p

75 arbon products selectively and efficiency at pH 7, we need to increase the CO concentration by changi

76 erge in indicating a stabilization energy at pH 5.0, 2-fold higher than that observed at pH 8.0.

77 e hydrophobic effects were the main force at pH 2.

78 and HA increased Pu sorption to goethite at pH 3, suggesting ternary complex formation or, in the ca

79 Simultaneously, HCT at pH 6.6-6.7 and 7.2 increased significantly.

80 s, and proton-exchange rates are measured at pH 5 and pH 7.

81 as present as dissolved iron (<0.025 mum) at pH 4 but principally as small (<0.45 mum) iron oxyhydrox

82 fter 6 hours of incubation with nanoceria at pH 9, P. aeruginosa showed drastic morphological changes

83 pH 5.0, 2-fold higher than that observed at pH 8.0.

84 dependent, with highest removal occurring at pH 5.0-6.0.

85 The strip worked optimally at pH 7.0, temperature 25 degrees C and 6min of incubation

86 l (<0.45 mum) iron oxyhydroxide particles at pH 8 with only approximately 3-27% present in the dissol

87 l SBA-15 adsorbs a larger quantity of PPO at pH 4.00 and offers an inhibition of enzymatic activity c

88 Application of purified proteins at pH ranges in which PMEI inhibition differed between AtPM

89 The lowest antigenicity was recorded at pH 5.

90 ong Pu complexation decreased Pu sorption at pH 5 and 7, relative to a ligand-free system.

91 The capsule dispersions were stable at pH 2.0-7.0 and after heating at 95 degrees C for 1min.

92 tracted by the positively charged surface at pH 3.

93 photoelectron spectroscopy reveals that, at pH </= 3.5, a significant fraction of the surface arseni

94 heterogeneous population of SBPV virions at pH 5.5.

95 s completely released from Gd-TREN-MAM below pH 2.

96 In solutions below pH 3.0, the Au NPs aggregate in solution and attach to t

97 s a significant negative correlation between pH and lactate levels.

98 ble to N loss via NO as interactions between pH, SOM, and drought stimulate chemodenitrification.

99 drome and vasoplegia, and monitoring biliary pH, rather than absolute bile production, may be importa

100 carbon and amino acid metabolisms to biofilm pH homeostasis.

101 variant that differs from wild type in both pH and intracellular Ca(2+) sensitivities.

102 efits of recyclability, stability in a broad pH range, and selectivity for toxic metals.

103 , when stored in 0.01M sodium acetate buffer pH 5.5 at 4 degrees C.

104 a1 to invoke coordinated changes in cellular pH and metabolism.

105 me species known to be sensitive to changing pH.

106 tude different for reaction at circumneutral pH (Keq = 10(-38.65)) compared to acidic pH (Keq = 10(-4

107 fluencing the delicate regulation of colonic pH, including epithelial water absorption, nutrient infl

108 Also, relatively constant pH values, due to using a buffered oxidant solution, did

109 hypothesis was tested by imaging cytoplasmic pH in spheroidal tissue growths of connexin43-positive p

110 eight whey proteins increased with decreased pH and higher enzyme concentrations of young child gastr

111 bilize polyphenol oxidase (PPO) at different pH has been tested.

112 mydomonas reinhardtii (CrHydA1) at different pH values, we resolve the redox and protonation events i

113 btained thereafter were studied at different pH values.

114 ion and temperature, but exhibited different pH optima.

115 31) of two PrP variants exhibiting different pH-induced susceptibilities to aggregation: the suscepti

116 all test chemicals from water for different pH conditions and reasonable predictions of uptake of fl

117 rrosion" processes in real time in different pH-neutral NaCl solutions and applied surface potentials

118 alch global fitting, unravels three distinct pH-dependent secondary structures in phosvitin.

119 on of carbon substrate and inoculum to drive pH neutralization and element removal.

120 and 3.0% were obtained in static and dynamic pH conditions, respectively, and validated using an inde

121 Glass-ceramic disks were immersed in each pH solution for 3 d, then cycled for 27 d.

122 that As(III) is reduced on pyrite at the Eh-pH predicted by the electrochemical study.

123 In this work, dual electrochemical pH and cell-attachment sensor arrays were developed for

124 y designed a family of ratiometric endosomal pH probes for use in live-cell STED nanoscopy.Ratiometri

125 ansepidermal water loss (TEWL) and epidermal pH.

126 nsors have no CO2 interference, an essential pH sensors property when aimed for whole-blood analysis.

127 f two tracer exchange data sets that explore pH and particle size effects, we developed a stochastic

128 beta1 integrins containing an extracellular pH-sensitive pHluorin tag allow direct visualization of

129 hich affect the complexation and extraction (pH, DDTC, and Triton X-100 concentration, vortex agitati

130 use PEC experiments often operate at extreme pH conditions.

131 -cell STED nanoscopy.Ratiometric fluorescent pH probes are useful tools to monitor acidification of v

132 l Purple (mCP) pH indicator dye suitable for pH measurements in seawater and conservative seawater-de

133 The most dramatic direct effects of future pH may be expected on epibenthic invertebrates (crabs, s

134 nd bile salts, as well as the higher gastric pH in the infant model.

135 s because the caseins clotted at the gastric pH.

136 ) reaches maximum in acidic medium (1M HCl - pH 1).

137 At high pH, the H37 structure is shifted toward the pi tautomer

138 on of a low-molecular-weight gelator at high pH.

139 Because of the local high pH, the P removal behavior is not sensitive to bulk solu

140 ed in transistors displaying low noise, high pH sensitivity (20.3microA/pH) and transconductance valu

141 teristics (e.g., high dissolved oxygen, high pH, and enrichment of (13)C in CO2) indicate that upwell

142 The formation of this complex is highly pH-dependent; the phosphate is completely released from

143 ed using 2g of sample and 20ml of Tris-HNO3 (pH=8) containing: a) 0.1M NaCl and 2g of skimmed milk po

144 lls provide novel explanations regarding how pH may drive cellular processes; how plants may respond

145 However, pH rise driven by inorganic carbon played an important r

146 A decrease in pH and, therefore, increase in acidity, low soluble soli

147 e was produced, and a subsequent decrease in pH with a more pronounced metabolic output of S. mutans.

148 ted gels can be formed by a slow decrease in pH, which leads to sequential assembly.

149 red by physiologically relevant decreases in pH.

150 Our model projects a 0.2-unit drop in pH during the summer upwelling season from 2013 to 2063,

151 Kinetic rates increased with an increase in pH from 5 to 9 in both DI water and SRHA and no interfer

152 An increase in pH generally accelerated persulfate decomposition due to

153 deling indicated that, while the increase in pH halts dichloramine formation, it converts amine-based

154 o reduced sulfate deposition as increases in pH favor more diverse cyanobacteria populations.

155 As, Sb, and Fe(2+) coincident with a rise in pH.

156 lucose addition to immobilized cells induced pH oscillations that could be imaged with fluorescent se

157 During osmotic stress, the internal pH is above the threshold, triggering distinct OmpR-rela

158 analysis further identifies an intracellular pH threshold 6.5.

159 iates HCO3(-) efflux) enhances intracellular pH (pHi ) recovery (decrease) from alkali loads in neuro

160 ne potential (MMP) and lowered intracellular pH, while red/NIR had the opposite effect.

161 KEY POINTS: Intracellular pH regulation is vital to neurons as nerve activity prod

162 nsporter NBCn1 which regulates intracellular pH (pHi).

163 how that proton binding at the intracellular pH sensor perturbs the potassium affinity at the extrace

164 1, acetyl-C{K(FITC)}GGAKL) for investigating pH regulation of glycosomes in live procyclic form Trypa

165 , and their (19)F-NMR analyte fingerprint is pH-robust, thereby making them particularly well-suited

166 ng the pH response of an extended gate ISFET pH sensor.

167 more, phantom images reveal analogous linear pH behavior.

168 bile hydrazone linker as a function of local pH and time within live cells.

169 ased transistors and the change in the local pH produced by the catalyzed hydrolysis of urea.

170 f beta-sheets to contain a global, or local, pH-dependent conformational switch should be possible.

171 at high temperatures (70 degrees C) and low pH (pH 3).

172 Quin/Fe(II) and low pH enhance the OH generation.

173 g, amantadine, at the N-terminal pore at low pH did not convert all histidines to the neutral state,

174 ailandensis DNase II is highly active at low pH in the absence of divalent metal ions, similar to euk

175 acid copolymers that do not aggregate at low pH or in the presence of polyvalent cations, and can be

176 ition when ApoL1 is mixed with lipids at low pH.

177 HA that abolishes 46B8 binding to HA at low pH.

178 enhancement in dimerization affinity at low pH.

179 itive, compromising their persistence in low pH soils.

180 ding extracellular magnesium limitation, low pH, and the presence of cationic antimicrobial peptides.

181 sure of the protein to non-physiological low pH in vitro and is inhibited by small molecule compounds

182 st, the TRPP3-PKD1L3 complex responds to low pH and was proposed to be a sour taste receptor candidat

183 In the natural habitat and low-pH environment of toxin-secreting killer yeasts, K28 is

184 The target and mechanism(s) of low-pH inactivation of HSV are unclear.

185 is a hallmark of viruses that enter via low-pH pathways; this occurs by pretriggering conformational

186 experiments, we observed significantly lower pH and higher lactate levels in the brains of model mice

187 le to sustain calcification even under lower pH conditions that do not favor the inorganic precipitat

188 hich, in higher plants, requires the luminal pH sensor PsbS and other yet unidentified components of

189 own to cause additional changes in lysosomal pH, which leads to impairment of lysosomal enzyme activi

190 ristics of purified meta-Cresol Purple (mCP) pH indicator dye suitable for pH measurements in seawate

191 The clay buffered the media pH to approximately 4.6 and Eh values to +360 mV.

192 a pH gradient across the thylakoid membrane (pH).

193 MII-pH measurements on-PPI and with healthy controls will be

194 be assumed that by lowering rennet pH, milk pH decreases, causing a significant increase of curd fir

195 mical parameters of honey samples (moisture, pH, total acidity, ash, dry matter, and qualitative abse

196 At native pH of 8.6, the anoxic fraction, despite its significant

197 ation of alkali cations on the non-Nernstian pH shift, and demonstrate that cation-hydroxyl co-adsorp

198 Adsorption of TCS at neutral pH on three different kinds of ACs, powder, granular, an

199 active disulfide-bonded oligomers at neutral pH that are caused by activation and thiol deprotonation

200 ps rapidly react in aqueous media at neutral pH to form peptide-peptide intermolecular macrocycles wi

201 oso-tryptophan can be formed even at neutral pH, as in the intestine.

202 In an acetonitrile-water mixture, at neutral pH, electrochemical water oxidation to hydrogen peroxide

203 -L-serine (POPS) 3:1 mol/mole and at neutral pH, the peptide adopts transmembrane topologies.

204 dic pH and 10-fold lower affinity at neutral pH.

205 played a more open structure than at neutral pH.

206 fuel cell that operates under benign neutral pH conditions.

207 In situ sXAS studies of neutral-pH OER catalysts indicate ready promotion of Ni(4+) unde

208 Thus, the energetic burden of pH regulation is offloaded from hypoxic cells onto metab

209 The combined effect of pH (from 2 to 6.5) and nitrite (from 0.1 to 20mM) was an

210 s were proposed to account for the effect of pH cycling on glass-ceramic corrosion.

211 The main aim was to determine the effects of pH, temperature and sugar binding on the intrinsic struc

212 ics and product selectivity as a function of pH and applied potential for known systems.

213 the ratiometric quantitation and imaging of pH through chemical exchange saturation transfer (CEST).

214 inin (HA) proteins are rendered incapable of pH-induced triggering for membrane fusion, resulting in

215 Therefore, to aid in investigations of pH dynamics during endocytosis at the nanoscale, we have

216 biophysical techniques, and a wide range of pH and temperature conditions, we show that TDP-43(NTD)

217 ately 20 m), an exceptionally large range of pH resistance among MOFs.

218 Cu and CuO NP mixtures comprising a range of pH values (6.3-7.5) and three types of natural organic m

219 e new linkages are stable at a wide range of pH values (pH 2.8 to 12.8), under reducing conditions (b

220 The reduction of pH leads to much lower Al, V, and As mobility in the act

221 and Glu-61) in these domains may be sites of pH-sensitive interactions, and variants E31A and E61A sh

222 hat cellular systems have evolved the use of pH signals as a means of adapting to environmental stres

223 quadrupole moment-we show that the value of pH influences not only their magnitudes, but more notabl

224 by fluorescence quenching within a window of pH and in the presence of dissolved O2, but occurs indep

225 complexation showing a strong dependence on pH and temperature: The complexation constant (KF) decre

226 of sodium dodecyl sulphate (SDS) micelles on pH-induced colour variations of phycocyanin was examined

227 microfluidic device with integrated optical pH, oxygen sensors and algal fluorescence.

228 The optimal pH and temperature were 8.0 and 50 degrees C, respective

229 m temperature of 75 degrees C and an optimum pH of 7.5.

230 5 mM hydrazine in 5 mM phosphate buffer (PB; pH 7) over 100 to 300 s.

231 RTN neurons encode arterial PCO2 /pH via cell-autonomous and paracrine mechanisms, and via

232 high temperatures (70 degrees C) and low pH (pH 3).

233 At physiological pH, the protein forms aggregates that look amorphous and

234 was assessed by CV studies at physiological pH.

235 ponse, excellent NIRF/PA imaging properties, pH-/photo-responsive drug release behavior, and promoted

236 Respiratory rate, pH, PaCO2, and encephalopathy score improved significant

237 It can be assumed that by lowering rennet pH, milk pH decreases, causing a significant increase of

238 -1 not only exhibits strong acid resistance (pH = 1, HCl) but also remains intact even when immersed

239 Most importantly, PEDOT-C14-based SC pH sensors have no CO2 interference, an essential pH sen

240 sent boron isotope data-a proxy for seawater pH-that show that the ocean surface pH was persistently

241 Here we describe "semisynthetic" pH-sensitive protein conjugates with organic fluorophore

242 ide chains, which collectively drive a sharp pH-triggered transition between inactive and active conf

243 tudied in native conditions and enable sharp pH changes in order to mimic properly IgGs Fc domain/FcR

244 The FHA-FBM interactions exhibit significant pH dependence in the physiological range as a consequenc

245 where percent clay is less than 18% and soil pH is greater than 6.6.

246 ly influenced by the soil C:N ratio and soil pH.

247 ers and chemical properties (soluble solids, pH, total acidity and total sugars content, phenolic com

248 l behavior is not sensitive to bulk solution pH and therefore, efficient P removal was observed in th

249 ient is a function of extracellular solution pH, the pH-dependence on Mg isotope fractionation is thu

250 ransitions of ubiquitin in aqueous solution (pH = 3) at elevated solution temperatures (T = 26-96 deg

251 In one species, pH-sensitive triplex DNA bonds enable parent-daughter te

252 iency from a commercial tomato waste stream (pH 12.5, solids approximately 5%) that was neutralized u

253 primarily through ion-exchange- was strongly pH-dependent, with highest removal occurring at pH 5.0-6

254 Met oxidation studies (pH 7, D2O, 0.01 M phosphate, 25 degrees C) monitored by

255 seawater pH-that show that the ocean surface pH was persistently low during the PETM.

256 -state electrogenic transport at symmetrical pH conditions.

257 stic processing conditions like temperature, pH, and salting of hams.

258 , primary transmission pathway, temperature, pH, light levels, and matrix.

259 nd chitin over a wide range of temperatures, pH levels, and ionic strengths.

260 This indicates that pH and PKAc1 act as balancing regulators of cGMP metabol

261 The pH of the source phase likewise decreases.

262 tations are shown to incrementally alter the pH at which a mAb elutes from protein A affinity resin.

263 complexation constant (KF) decreased as the pH and temperature increased.

264 ell as dechloridized seawater) decreases the pH down to approximately 5.

265 osensor platform simultaneously exploits the pH dependency of liquid-gated graphene-based transistors

266 The enzyme was stable in the pH range of 3.0-8.0.

267 Increasing the pH before heat treatment led to increases in casein diss

268 mple matrix, the concentrations of ions, the pH and the redox potential.

269 rial AOB should be prevented, by keeping the pH above 5.4, which is a typical pH limit for the N. eur

270 We validate the theory by measuring the pH response of an extended gate ISFET pH sensor.

271 Using F-PTS1 we are able to observe the pH conditions inside glycosomes in response to starvatio

272 alling, but abolished in null mutants of the pH-responsive transcription factor PacC, and PacC proteo

273 -ceramic degradation depends not only on the pH of the immersed solution but also on the pH of the pr

274 pH of the immersed solution but also on the pH of the previous solution.

275 a function of extracellular solution pH, the pH-dependence on Mg isotope fractionation is thus due to

276 During chloride salinity, the pH of the leaf apoplast (pHapo) transiently alkalizes.

277 Moriarty et al. now suggest that the pH switching that occurs between different cellular envi

278 whereas it increased significantly when the pH was reduced to 6.2.

279 We report the conditions under which the pH sensitivity of an Ion Sensitive Field Effect transist

280 Nevertheless, a detailed picture of how this pH-dependent inhibition of PME occurs at the molecular l

281 er esophageal acid exposure (percentage time pH < 4) was significantly greater in those with no patho

282 e the pesticide concentration in parallel to pH and oxygen sensors with integrated fluorescence detec

283 ibution of the two sugar-sensing pathways to pH regulation.

284 tion of reaction conditions, with respect to pH and temperature, allowed for the synthesis of the ant

285 ll-defined gate shape, sensitive response to pH and salt concentration, and selectivity in cargo tran

286 ed by free ammonia due to periodic transient pH upshifts.

287 Using measurements at two pH levels, 3.2 and 6.5, improved the accuracy of quantif

288 keeping the pH above 5.4, which is a typical pH limit for the N. europaea lineage.

289 ministration of cGAMP, delivered by an ultra-pH-sensitive nanoparticle (NP; PC7A), in human PBMCs ind

290 ins, we repeated the assignment in 7 M urea (pH 2.3) and in DMSO.

291 ges are stable at a wide range of pH values (pH 2.8 to 12.8), under reducing conditions (biological t

292 ophosphate (GMP) was investigated at various pH values.

293 that were obtained by systematically varying pH (5.0 to 8.0), applied reduction potentials (-0.53 to

294 the presence of polymyxin E (PE) and PB via pH-induced color change.

295 M is dominated by one conformation with weak pH dependence.

296 ermining ecosystem health, particularly when pH was higher than 8.2.

297 all had high solubility (>80%) across a wide pH range in water and their solubility improved further

298 ria (AOB), however, typically decreases with pH and often ceases completely in slightly acidic wastew

299 PV methods in phosphate buffer solution with pH 2.0.

300 bserved in three studied bulk solutions with pH of 4.0 (56.1%), 8.2 (57.4%), and 10.0 (48.4%) after 2