ライフサイエンスコーパス: humic acid

1 ganic dyes and model organic foulants (e.g., humic acid).

2 ther anions, especially organic acids (e.g., humic acids).

3 e shoot growth-promoting action of the model humic acid.

4 rt from the aerosols from the two sources of humic acid.

5 t hydraulic conductivity caused by the model humic acid.

6 by coating silica particles with commercial humic acid.

7 edia of quartz sand, even in the presence of humic acid.

8 emain the same in the presence or absence of humic acid.

9 cal reduction of IO(3)(-) in the presence of humic acid.

10 ing 100 ng/mL of p,p'-DDE with 0 or 100 mg/L humic acid.

11 by Ag(0) formation rather than by binding to humic acid.

12 ratio were similar to that in the absence of humic acid.

13 the presence of thiol compounds and natural humic acid.

14 even in the presence of up to 5 ppm of added humic acid.

15 f the photosensitizers nitrate, nitrite, and humic acid.

16 med by sorption isotherms in the presence of humic acid.

17 esides its complexation with fulvic acid and humic acid.

18 of a real HS sample, the standard Leonardite humic acid.

19 onic species to low proton-affinity sites in humic acid.

20 terial than with Nordic NOM and Pahokee peat humic acids.

21 binding sites on larger, less bioaccessible humic acids.

22 ere conducted in the presence and absence of humic acids.

23 crobial reduction of iron(III) compounds and humic acids.

24 the diverse types of molecules contained in humic acids.

25 l radical, as well as indigenous radicals of humic acids.

26 eshwater and coastal seawater are fulvic and humic acids.

27 Zn in solution is mainly bound to dissolved humic acids.

28 The experimental chamber contained water, humic acid (1-10 mg L(-1)) as a proxy for dissolved orga

29 -1) (mgC = mg carbon); k (hydroxyl radical + humic acids) = 1.4 x 10(4) L mgC(-1) s(-1)).

30 methylation potentials ((202)Hg(2+), (201)Hg-humic acid, (199)Hg-sorbed to FeS, and (200)HgS nanopart

31 simulated by filtering aqueous solutions of humic acid (5 and 20 mg L(-1)), a suspension of Escheric

32 rates with humic acids (k (sulfate radical + humic acids) = 6.8 x 10(3) L mgC(-1) s(-1) (mgC = mg car

33 a colouring reagent for the determination of humic acid (a cancer-promoting agent) in water and caffe

34 performance of the polymer is unaffected by humic acid, a component of natural organic matter that f

35 , despite increased colloidal stability when humic acid adsorbed to AgNPs, the presence of humic acid

36 We developed a new humic acid adsorption method for determining the relativ

37 For humic acid aerosols, uptake coefficients in the range of

38 udies and differing from sorption to Aldrich-humic acid (AHA) utilized as reference sorbent.

39 r natural organic matter (SRNOM) and Aldrich humic acid (ALHA), in the dark ambient condition, while

40 The addition of electron acceptors (e.g., humic acid) also led to substantially increased Hg(0)aq

41 The humic acid analog anthraquinone-2,6-disulfonate (AQDS) i

42 nd to another unusual electron acceptor, the humic acid analog anthraquinone-2,6-disulfonate.

43 NTA, Fe(III) citrate, as well as to AQDS, a humic acid analogue.

44 ring the initial stage of Hg(0) oxidation by humic acid and attributed to the kinetic isotope effect

45 tion, suggesting a "blocking effect" between humic acid and bacterial cells.

46 In addition, both humic acid and FBS protein effectively lowered the amoun

47 Humic acid and FBS significantly changed the characteris

48 This research examined the effects of humic acid and fetal bovine serum (FBS), which are ubiqu

49 ee BS treatments, including bio-fertilizers, humic acid and foliar application of amino acid (AA), we

50 Humic substances (Suwannee River humic acid and fulvic acid) were tested across a range o

51 esence of the two model NOMs (Suwannee river humic acid and fulvic acid).

52 A water soluble humic acid and melanin-like polymer complex (OMWW-ASP) w

53 ass transition (T(g)) behavior in Leonardite humic acid and Organosolv lignin enabled evaluation of e

54 c molecules found in natural waters; namely, humic acid and rhamnolipid.

55 Humic acid and tryptophan featured larger increases in t

56 h both low and high proton-affinity sites of humic acid and zwitterion interaction with high proton-a

57 including commercially available fulvic and humic acids and an authentic Arctic snow DOM sample isol

58 sinfection dose of 100 mJ.cm(-2), TCNM-FP of humic acids and fulvic acids increased from ~0.4 to 25 a

59 isporus serine proteinase SPR1 is induced by humic acids and is highly expressed during growth on com

60 s similar to the behavior observed for model humic acids and several surface waters, suggesting that

61 o soil constituents (hematite and Leonardite humic acid) and 12 soils of diverse composition, using c

62 algae, soil natural organic matter, and soil humic acid) and analyzing an environmental suspension of

63 ry forms: two dissolved forms (Hg(2+) and Hg-humic acid) and two particulate forms (nano-HgS and Hg a

64 tles (confirmed by replacing the sludge with humic acids), and (iii) Geobacter sulfurreducens to prod

65 ce of Suwannee River natural organic matter, humic acid, and fulvic acid (SRNOM, SRHA, and SRFA), alg

66 sis for a specific whole soil and its humin, humic acid, and fulvic acid fractions, as well as a samp

67 ncentration of 30 unit.L(-1), no addition of humic acid, and the addition of Cu(2+) at a density of 1

68 free from interference caused by carbonate, humic acids, and fluoride.

69 The contributions of humic acid- and fulvic acid-like fluorescence components

70 ponents stripped from GO at pH < 10, whereas humic acid- and fulvic acid-like substances were strippe

71 Elevated lead in the presence of humic acid appeared to be driven by complexation, with (

72 sent in spectra of Suwannee River fulvic and humic acid are singly charged, thus eliminating inadequa

73 These iodinated humic acids are stable with respect to photolysis at nea

74 coli as a model organism and Suwannee River Humic Acid as a representative NOM.

75 ere interface in the presence of particulate humic acid as a surrogate for particulate organic carbon

76 a photochemical chamber, with aerosol-phase humic acid as the photosensitizer and limonene as the VO

77 e in pH enhanced the formation of AgNPs, and humic acids as ligands showed higher formation of AgNPs

78 otential of the photosensitizer chemistry of humic acid, as a proxy for humic-like substances in atmo

79 n, lactoferrin, serum IgG, soil extracts and humic acid, as well as high concentrations of intercalat

80 soils treated with 0.4 wt% P(AAm-co-AA) and humic acid at concentrations of 0.02 wt% and 0.05 wt%.

81 The value of logK (ratio of absorbance of humic acids at 400 and 600 nm) was cedar > transition zo

82 1000 +/- 3000 ppb) ions were measured in the humic acid atomizer solutions compared to the other orga

83 Thus, in the presence of humic acids, atrazine is degraded more efficiently by su

84 of site masking in the ternary clay mineral-humic acid-bacteria composite.

85 rs of highly divergent composition including humic acid, bone dust, coprolite, peat extract, clay-ric

86 Results from this technique suggested that humic acids bound RNA more extensively than fulvic acids

87 the interfacial reduction of As(V) caused by humic acid by excluding it from plasmonic hotspots throu

88 n model dissolved organic matter (DOM; Fluka humic acid) can react via thermal substitution with TBA

89 bited in the presence of radical scavengers (humic acid, carbonate), in complex aquatic matrices (Iow

90 We observed that humic acid caused a similar level of inhibition in both

91 Easily separable humic acid coated magnetite (HA-Fe3O4) nanoparticles are

92 In the mixture, particle type (either humic acid coated nanoparticles (HASNPs) or their micron

93 ll humic substances (fulvic acid and aquatic humic acid, collectively denoted as "fulvic-like substan

94 However, as the humic acid concentration was increased, the maximum aggr

95 emperature, pH value, laccase concentration, humic acid concentration, and the type and concentration

96 u, Verwey, and Overbeek or DLVO) theory, and humic acid concentration, while P. fluorescens EVs devia

97 ts, with mobility decreasing with decreasing humic acid concentration.

98 ntal colloidal particles: ionic strength and humic acid concentration.

99 H selection in various model compounds and a humic acid confirms the robust nature and good sensitivi

100 yaniline was studied in reactions with model humic acid constituents (quinones and other carbonyl com

101 increase in silver uptake in the presence of humic acid did not result in decreased algal growth.

102 c carbon and water (KOC) and between Aldrich humic acid dissolved organic carbon and water (KDOC) for

103 nions (PO(4)(3-), CO(3)(2-), SiO(4)(4-), and humic acid) does not inhibit electron transfer between a

104 samples was compared to dissolved commercial humic acids (DOM).

105 Sulfide and humic acid each individually caused immediate increases

106 he least to most inhibitive was Pahokee Peat humic acid, Elliot Soil humic acid, Suwannee River humic

107 lead as insoluble hydroxypyromorphite, while humic acid enhanced lead mobility.

108 ic acids) from Suwannee River, GA, and (2) a humic acid extract from a degraded wood collected on Mt.

109 with Elliott humic and fulvic acids and with humic acids extracted from natural carbonaceous material

110 characterization of complex mixtures such as humic acid extracts has been elusive because of insuffic

111 riacetic (NTA) and Suwannee River fulvic and humic acids (FA and HA) in solution at pH 7 was investig

112 ions, ranging from micropollutant removal to humic acid filtration.

113 monomethyl amine sulfate, and two sources of humic acid, for an initial HO2 concentration of 1 x 10(9

114 eonardite humic acid (LAHA) and Florida peat humic acid (FPHA), at concentrations above 5 mg C/L, sho

115 rogen directly bonded to aromatic rings in a humic acid fraction extracted from a continually submerg

116 5% of all carbon), whereas the corresponding humic acid fraction extracted from an aerobic, single-cr

117 through the reduction of Ag(+) by fulvic and humic acid fractions of natural organic matter in the en

118 The mass spectra of the humic acid fractions were also markedly different from t

119 Humic acids from three different terrestrial sources (so

120 e of low levels (1-6 mg/L) of Suwannee River humic acid, fulvic acid, alginate, citric acid, and carb

121 ences the adsorption of DOMs (Suwannee River humic acid, fulvic acid, and natural organic matter) rel

122 samples from different isolation procedures (humic acid, fulvic acid, reverse osmosis) and diverse or

123 Stability study of AgNPs, formed in Ag(+)-humic acid/fulvic acids-Fe(3+) mixtures over a period of

124 Humic acids further facilitated CE, enhancing the caproa

125 It was further observed that humic acids generally react faster than fulvic acids.

126 ase-soluble fractions of SOM: acid-insoluble humic acid (HA) and acid-soluble fulvic acid (FA).

127 tudied the fate of Pu(IV) in the presence of humic acid (HA) and Fe(II) upon reaction with H(2)O(2) t

128 Insight in the molecular structure of humic acid (HA) and fulvic acid (FA) can contribute to i

129 ar level of understanding on the dynamics of humic acid (HA) and its interaction with uranyl in the p

130 y under anoxic conditions in the presence of humic acid (HA) and two simulated landfill leachates of

131 mpure samples using the common PCR inhibitor humic acid (HA) as a model.

132 experiment using reduced and reoxidized soil humic acid (HA) as reductant and sorbent at copper loadi

133 tions of variable NaNO(3), Ca(NO(3))(2), and humic acid (HA) concentrations were used to differentiat

134 Thus, we study the effect of humic acid (HA) coprecipitation on Fh reduction and seco

135 The humic acid (HA) corona is traditionally considered to re

136 The presence of humic acid (HA) did not hinder DCF removal by the compos

137 electrokinetic, and mechanical properties of humic acid (HA) extracted from brown coal of the Shubark

138 e representativeness of fulvic acid (FA) and humic acid (HA) in characterizing the seasonal and annua

139 Humic acid (HA) is thought to promote NO2 conversion to

140 his study, the impact of UVA irradiation and humic acid (HA) on deposition of aqueous fullerene nanop

141 ferrioxamine B (DFOB), fulvic acid (FA), and humic acid (HA) on plutonium (Pu) sorption to goethite w

142 We examined the impact of Suwannee River humic acid (HA) on the toxicity of TiO2NPs to developing

143 cies (ROS) by C60 under UV irradiation, when humic acid (HA) or fulvic acid (FA) is present.

144 liott soil, Pahokee peat, and Suwannee river humic acid (HA) samples before and after sorption to pol

145 uspensions and Ag(+) in solution when adding humic acid (HA) to bacterial suspensions.

146 The addition of humic acid (HA) to the exposure media significantly decr

147 untreated and electrochemically reduced soil humic acid (HA) under oxic and anoxic conditions.

148 ed activated carbon (GAC) in the presence of humic acid (HA) was examined.

149 A lignite humic acid (HA) was separated from inorganic and non-HA

150 bsorbing brown carbon surrogate derived from humic acid (HA) were measured across the visible to near

151 rong change of the molecular conformation of humic acid (HA) with a predominant adsorption in the Ste

152 We reacted 0.2 mol C/L peat and humic acid (HA) with up to 5.8 mM S(-II) at pH 7 and 5,

153 tural dissolved organic matter (DOM) such as humic acid (HA), and this binding is known to affect the

154 The presence of humic acid (HA), as an analog of soil organic matter, do

155 on with reduced and nonreduced Sigma-Aldrich humic acid (HA), at pH 6 under anoxic conditions.

156 ental treatments included the application of humic acid (HA), biofertilizers (BFS), and the unfertili

157 Humic acid (HA), further increased their size and polydi

158 ial enrichment of light Cd isotopes bound to humic acid (HA), leaving the heavier Cd pool preferentia

159 45 mV) increased the adsorption of EfOM and humic acid (HA), moderately and sharply, respectively, s

160 and 97.9% for dispersed polystyrene MPs and humic acid (HA), respectively.

161 n was conducted on model organic coatings of humic acid (HA), sodium alginate (SA), and bovine serum

162 igated iodine and carbon speciation in three humic acid (HA)-I systems using I K-edge XANES and EXAFS

163 ed to Cry1Ab protein adsorption to an apolar humic acid (HA).

164 threne to FA increased after the addition of humic acid (HA).

165 cm2) was observed in the sample treated with humic acid (HA).

166 The distinct effects of humic acid (HA, 0-10 mg L(-1)) on the transport of titan

167 investigated the competitive binding between humic acids (HA) and PMG on goethite with batch adsorpti

168 Sonication and humic acids (HA) are known to disperse carbon nanotube (

169 ontaining glycine, EDTA, and fulvic (FA) and humic acids (HA) by atomic absorption spectroscopy (AAS)

170 Humic acids (HA) compete with TCs for Fe(II), but the ef

171 s to investigate the chemistry of ConAC-rich humic acids (HA) extracted from Terra Mulata de Indio, a

172 ed in the isolation of fulvic acids (FA) and humic acids (HA) have been identified as a possible cont

173 Sunflower root exudates, humic acids (HA), and the synthetic oleophilic fertilize

174 (4, 5.5, and 8) or by introducing 10 mg/L of humic acids (HA).

175 hodes were exposed to high concentrations of humic acids (HA).

176 aracteristics of Cd on montmorillonite(Mont)-humic acid(HA)-bacteria composites.

177 salicylic acid (SA), natural organic matter (humic acid, HA), and dissolved silicates.

178 erface, association of fullerene to pure and humic acid (HA7) coated gammaFe2O3 NPs led to the format

179 Nitrate and humic acid had a smaller impact on Se removal compared t

180 Pyrogenic humic acid has been included in our study since it will

181 x reactions in soils, its reaction with soil humic acid has not been evaluated.

182 is study, we compared the abilities of three humic acids (HAs) (obtained through sequential extractio

183 Humic acids (HAs) accept and donate electrons in many bi

184 l SiO(2), ZnO, hydrous ferric oxide (HFO) or humic acids (HAs) as well as heterogeneous suspensions c

185 and absence of agricultural and forest soil humic acids (HAs) at pH 5-8.

186 de (GLY) with soluble fulvic acids (FAs) and humic acids (HAs) at pH 5.2 and 7 were studied by (1)H a

187 indicated that an increase in the amount of humic acids (HAs) increasingly inhibited Al adsorption b

188 We report how adsorption of three different humic acids (HAs) to redox-inert sorbents (polar Al(2)O(

189 (Ag) = 0.2, 0.5, and 0.8) in the presence of humic acids (HAs) under simulated sunlight; these condit

190 Electrochemical oxidation of three model humic acids (HAs) was largely irreversible, and the EDCs

191 To overcome this limitation, humic acids (HAs) were used as model DOM, and their redo

192 Humic acids (HAs) widely exist in water environment, and

193 The interaction of humic acids (HAs) with 1-palmitoyl-2-oleoyl-Sn-glycero-3

194 of TBBPA bound-residue formation to two soil humic acids (HAs), Elliott soil HA and Steinkreuz soil H

195 Fulvic and humic acids have a large variability in binding to metal

196 A de-ashed humic acid (i.e., metals being removed) scavenged more P

197 y related to the conformational structure of humic acid in solution and its interaction with the cell

198 larithromycin and tetracycline) to dissolved humic acid in the absence and presence of Ca(2+) and eva

199 ternary complex formation or, in the case of humic acid, incorporation into HA aggregates.

200 t to clarithromycin, tetracycline binding to humic acid increased in the presence of Ca(2+), especial

201 temperature, alkalinity, ionic strength, and humic acid) inhibited overall neonicotinoid sorption, su

202 at are believed to model some subunit of the humic acid is determined.

203 h advanced spectral editing showed that this humic acid is rich in lignin derivatives (>45% of all ca

204 Structural information on humic acids is difficult to obtain because of the hetero

205 The binding of Pb(II) to humic acids is studied through an approach combining equ

206 or Suwannee River natural organic matter and humic acid isolates size fractionated with a 3 kDa ultra

207 er considerably in their reaction rates with humic acids (k (sulfate radical + humic acids) = 6.8 x 1

208 The two terrestrial HAs, namely Leonardite humic acid (LAHA) and Florida peat humic acid (FPHA), at

209 Humic acid led to a substantial increase in the interfac

210 inding of sulfamethazine (SMZ) to Leonardite humic acid (LHA) and to four synthetic humic acids (SHAs

211 uinone-2,6-disulfonate (AQDS) and Leonardite humic acid (LHA) reduced with dithionite.

212 iving the adsorption of Cry1Ab to Leonardite humic acid (LHA), used as a model for SOM.

213 s at mineral surfaces coated with Leonardite humic acid (LHA).

214 ced and electrochemically reduced Leonardite Humic Acid (LHA).

215 ) (microbial byproducts region), and Peak H (humic acid-like region).

216 ponents, namely, protein-, fulvic acid-, and humic acid-like substances; among these, protein-like su

217 The EACs of hematite and humic acid measured by CRT (EAC(CRT)) and MER (EAC(MER))

218 in root and shoot (fluridone) show that the humic acid-mediated enhancement of both root hydraulic c

219 ological and metabolic mechanisms behind the humic acid-mediated plant growth enhancement are discuss

220 umic acid adsorbed to AgNPs, the presence of humic acid mitigated the toxicity of AgNP suspensions be

221 In the presence of 20 ppm of humic acid of an organic-rich soil, plutonium diffusion

222 The effects of humic acid on lipid accumulation of fullerene depended o

223 a suggest that all of these actions of model humic acid on root functionality, which are linked to it

224 ions (bicarbonate, sulfate, and nitrate) and humic acid on selenate removal were examined under pH 8

225 The impact of major anions and humic acid on solids formation, redox, and adsorption in

226 electrochemical reduction of a purified soil humic acid on the binding of two chalcophile metal catio

227 particle surface chemistry (PVP, citrate, or humic acid) on alpha, and found a strong dependence on b

228 f natural organic matter (in forms of either humic acid or Anacostia River sediment porewater) decrea

229 ) or dissolved humic substance (Pahokee Peat humic acid or Pahokee peat fulvic acid, 10 mg C/L) in aq

230 Adsorption of humic acid or rhamnolipid on the Al2O3 surface resulted

231 FeOx associated with humic acids or citrate were less toxic than OM-free FeOx

232 iquitous organic ligands (e.g., -SH (thoil), humic acid, or -COO (carboxylate)) is limited.

233 contaminated water sources such as chloride, humic acid, perfluorooctanoic acid (PFOA), and perfluoro

234 When peat humic acid (PHA) was added to a NOM-deficient sediment c

235 tained by photosensitization by Pahokee Peat Humic Acid (PPHA) and Suwannee River Fulvic Acid (SRFA),

236 two standard humic substances, Pahokee peat humic acid (PPHA) and Suwannee River fulvic acid (SRFA).

237 fer from reduced and nonreduced Pahokee Peat humic acids (PPHA) and fresh soil organic matter (SOM) e

238 t environmental particles such as fulvic and humic acids, practical strategies are delineated for det

239 ch-released TiO(2) particles was enhanced by humic acid present in the compost residues, which blocke

240 so markedly different from those of the bulk humic acids previously reported.

241 ively charged tetracycline-Ca complexes with humic acid rather than due to the formation of ternary c

242 Humic acid, regardless of fullerene presence or plant ty

243 humic acid was slightly enhanced compared to humic acid reoxidized by O(2) and quantitatively in exce

244 (13)C-CP/MAS NMR measurements of humic acids revealed an increasing incorporation of phen

245 ying lignin and related metabolites found in humic acid-rich environment.

246 an OM-poor clay soil, a hydrophilic Aldrich humic acid salt, and water-insoluble leonardite.

247 markedly different from that of the original humic acid sample.

248 various concentrations (1, 2, and 5 mM) from humic acid samples (1 g HA/L) of different redox states.

249 ate and reliable determination of the EAC of humic acid samples.

250 rdite humic acid (LHA) and to four synthetic humic acids (SHAs) polymerized from low molecular weight

251 nts further demonstrated Cu(2+), Zn(2+), and humic acid significantly promoted Pb(II) adsorption.

252 ity toward common interfering compounds like humic acid, sodium chloride and fluoride, metallic ions

253 hydrocarbons served as model analytes, while humic acid, sodium dodecyl sulfate, hydroxypropyl-beta-c

254 r nanoparticles and nanoparticle spiked into humic acid solution (50 mg/L) at an environmentally rele

255 borohydride-reduced Suwanee River fulvic and humic acids (SRFA and SRHA, respectively).

256 investigated as a function of Suwannee River Humic Acid (SRHA) and background electrolyte concentrati

257 n to stabilize nanoparticles (Suwannee river humic acid (SRHA) and fulvic acid (SRFA)), synthetic add

258 Suwannee River humic acid (SRHA) and Williams Lake hydrophobic acid (WL

259 benzene sulfonate (SDBS), and Suwannee River Humic Acid (SRHA) at pH 5.0-6.0.

260 ) water at pH 5.6 +/- 0.2 and Suwannee River humic acid (SRHA) at pH 5.1 +/- 0.2 using low doses of c

261 ies revealed that the aquatic Suwannee River humic acid (SRHA) causes an increased biomembrane pertur

262 c lake fulvic acid, NLFA) and Suwannee River humic acid (SRHA) followed the order NLFA > SRHA > PPFA

263 Presence of Suwannee River humic acid (SRHA) showed aggregation enhancement for bot

264 Suwanee River Humic Acid (SRHA) was also used to determine the effect

265 Suwannee River humic acid (SRHA) was used to study the effects of natur

266 Modeling results for Suwannee River humic acid (SRHA) yield a surface [(1)O(2)] of ~60 pM, w

267 n the presence and absence of Suwannee River humic acid (SRHA).

268 ell-characterized humic acid (Suwannee River Humic Acid, SRHA).

269 The presence of humic acid stabilized the system against heteroaggregati

270 s containing functional groups identified in humic acid structures indicate that efficient substituti

271 ), fulvic acid sulfur (delta(34)S(FAS)), and humic acid sulfur (delta(34)S(HAS)) in these samples.

272 sulfate was the dominant functional group in humic acid sulfur (HAS) in both AMD-contaminated (46%) a

273 background electrolyte) in Milli-Q water and humic acid suspensions.

274 presence or absence of a well-characterized humic acid (Suwannee River Humic Acid, SRHA).

275 ive was Pahokee Peat humic acid, Elliot Soil humic acid, Suwannee River humic acid, Suwannee River NO

276 acid, Elliot Soil humic acid, Suwannee River humic acid, Suwannee River NOM, Suwannee River fulvic ac

277 , its composition is more similar to that of humic acids than to that of glycoproteins.

278 in competition, it was the influence of the humic acid that dominated that of the sulfide.

279 The portion of the humic acid that has structure similar to that of the mod

280 In the case of chloride and humic acid, the calculated K(A) values of 9.05 x 10(7) a

281 In the presence of humic acid, the trends in the variation of the heteroagg

282 ot able to exchange electrons with dissolved humic acids, the procedure allows an accurate and reliab

283 In the humic acid, this permits unequivocal assignment of the m

284 The mechanism requires particle-phase humic acid to absorb solar radiation and become photoexc

285 uilibrated models of the standard Leonardite humic acid, together with corresponding force-field para

286 The high reactivity of humic acids toward HO(*) is in line with the antioxidant

287 was also observed for four model precursors (humic acid, tryptophan, tyrosine, and phenol).

288 t HULIS is equally or less reactive than the humic acid used in these experiments, the results sugges

289 polyacrylamide (PAM) gel in the presence of humic acid using a diffusion cell (D = 1.70 +/- 0.25 x 1

290 vior and colloid formation upon C amendment, humic acid was reacted with Mn oxide suspensions at diff

291 The binding of cadmium to reduced humic acid was slightly enhanced compared to humic acid

292 Clarithromycin interaction with dissolved humic acid was well described by the model including the

293 Two aquatic fulvic acids and one soil humic acid were irradiated to examine the resulting chan

294 At concentrations of 8-10 mg(C)/L, humic acids were also found to be more effective than fu

295 lecules such as proteins, carbohydrates, and humic acids were excluded.

296 sulfide and natural organic matter (NOM, as humic acid), while under suboxic conditions.

297 caused by a structurally well-characterized humic acid with sedimentary origin is functionally assoc

298 e humidity was also observed for uptake onto humic acid, with larger uptake coefficients seen at high