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Jin-ying Zhao et al.
Huan jing ke xue= Huanjing kexue, 31(5), 1233-1238 (2010-07-14)
The heat and ferrous ion-activated sodium peroxydisulfate (PDS) for the oxidation of 4-chlorophenol (4-CP) was investigated. These processes are based on the generation of sulfate radicals, which are powerful oxidizing species found in nature. The effects of temperature, pH, the
Jin Anotai et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 63(7), 1434-1440 (2011-04-22)
Ferrous catalyzed persulfate oxidation of dissolved aniline was investigated in aqueous systems under a variety of ferrous ion concentrations and temperature. Result showed that the addition of ferrous ions accelerated the degradation of aniline by persulfate. For the thermally activated
Chia-Hsien Yen et al.
Journal of hazardous materials, 186(2-3), 2097-2102 (2011-01-25)
In this study, batch experiments were conducted to evaluate the feasibility of petroleum-hydrocarbon contaminated soil remediation using persulfate oxidation. Various controlling factors including different persulfate and ferrous ion concentrations, different oxidants (persulfate, hydrogen peroxide, and permanganate), and different contaminants (diesel
Budimir Marjanović et al.
The journal of physical chemistry. A, 115(15), 3536-3550 (2011-03-26)
New computational insights into the mechanism of the Boyland-Sims oxidation of arylamines with peroxydisulfate (S(2)O(8)(2-)) in an alkaline aqueous solution are presented. The key role of arylnitrenium cations, in the case of primary and secondary arylamines, and arylamine dications and
Nima Sayyadi et al.
Molecules (Basel, Switzerland), 24(11) (2019-06-05)
We describe simple direct conjugation of a single TEGylated Europium chelate to DNA that binds to intracellular rRNA and is then detected using a homogeneous luminescent in situ hybridisation (LISH) technique. As a proof-of-principle, Staphylococcus aureus (S. aureus) was selected
Anna Ohradanova et al.
Bioorganic & medicinal chemistry letters, 22(3), 1314-1316 (2012-01-10)
An α-carbonic anhydrase (CA, EC 4.2.1.1) isolated from the living fossil sponge Astrosclera willeyana, Astrosclerin, was investigated for its inhibition profile with simple inorganic anions, complex anions and other small molecules known to interact with these zinc enzymes. Astrosclerin is
Saebom Ko et al.
Journal of environmental management, 108, 42-48 (2012-06-05)
The goal of this study was to assess the oxidation of NAPL in soil, 30% of which were composed of chlorinated ethanes and ethenes, using catalyzed hydrogen peroxide (CHP), activated persulfate (AP), and H(2)O(2)-persulfate (HP) co-amendment systems. Citrate, a buffer
Gholam Hossein Safari et al.
Journal of environmental health science & engineering, 13, 76-76 (2015-11-06)
In this study, a central composite design (CCD) was used for modeling and optimizing the operation parameters such as pH, initial tetracycline and persulfate concentration and reaction time on the tetracycline degradation using sono-activated persulfate process. The effect of temperature
Peter Burghout et al.
Bioorganic & medicinal chemistry, 19(1), 243-248 (2010-12-18)
The Gram-positive bacterium Streptococcus pneumoniae is a human respiratory tract pathogen that contributes significantly to global mortality and morbidity. It was recently shown that this bacterial pathogen depends on a conserved β-carbonic anhydrase (CA, EC 4.2.1.1) for in vitro growth
Serena Berardi et al.
ChemSusChem, 8(21), 3688-3696 (2015-10-02)
Mastering the light-induced four-electron oxidation of water to molecular oxygen is a key step towards the achievement of overall water splitting to produce alternative solar fuels. In this work, we report two rugged molecular pyrazolate-based diruthenium complexes that efficiently catalyze
José Fenoll et al.
Journal of hazardous materials, 244-245, 370-379 (2012-12-29)
The photocatalytic degradation of sixteen substituted phenylurea herbicides (PUHs) in pure water has been studied using zinc oxide (ZnO) and titanium dioxide (TiO(2)) as photocatalyst under artificial light irradiation. Photocatalytic experiments showed that the addition of these chalcogenide oxides in
Jill E Kolesar et al.
Free radical biology & medicine, 75, 241-251 (2014-08-12)
A causal role for mitochondrial dysfunction in mammalian aging is supported by recent studies of the mtDNA mutator mouse ("PolG" mouse), which harbors a defect in the proofreading-exonuclease activity of mitochondrial DNA polymerase gamma. These mice exhibit accelerated aging phenotypes
Alessio Innocenti et al.
Bioorganic & medicinal chemistry letters, 20(5), 1548-1550 (2010-02-09)
An inhibition study of the transmembrane carbonic anhydrase (CA, EC 4.2.1.1) isoforms IX, XII (tumor-associated), and XIV with anions such as stannate(IV), selenate(VI), tellurate(VI), perosmate(VIII), persulfate, pyrophosphate(V), pyrovanadate(V), tetraborate, persulfate, perrhenate(VII), perrutenate(VII), selenocyanate, iminodisulfonate, fluorosulfate, and trithiocarbonate is reported. Selenate
Verónica C Mora et al.
Chemosphere, 75(10), 1405-1409 (2009-03-17)
The kinetics and mechanism of the thermal activation of peroxydisulfate, in the temperature range from 60 to 80 degrees C, was investigated in the presence and absence of sodium formate as an additive to turn the oxidizing capacity of the
Yu-Chieh Chou et al.
Journal of hazardous materials, 246-247, 79-86 (2013-01-05)
Microwave oxidation process (MOP) was evaluated for treatment of landfill leachate. The experimental parameters include pH, temperature, oxidant doses, microwave power setting, and irradiation time. The study explored the microwave-specific effects of the MOP. The contributions of pure thermal, persulfate
Ya-Ting Lin et al.
Chemosphere, 82(8), 1168-1172 (2011-01-12)
Using ultraviolet photolytic persulfate activation to produce two sulfate radicals (SO(4)(-)) exhibits a potential for destroying organic contaminants in wastewater treatment applications. This study investigated both the feasibility of using a UV/SPS (sodium persulfate) process to treat phenol in aqueous
Zhiguo Zhang et al.
The Journal of organic chemistry, 77(17), 7665-7670 (2012-08-02)
Mediated by sodium persulfate (Na(2)S(2)O(8)), a series of polysubstituted 4-pyridones were synthesized via self-condensation of N-aryl acetoacetamides, during which a novel N to C 1,3-acyl migration should be involved. The structure of 4-pyridone was unequivocally confirmed by X-ray diffraction analysis.
N Henry et al.
International journal of cosmetic science, 37(2), 196-206 (2014-11-18)
The objective of this study was to synthesize a novel glucosamine-imprinted sorbent based on ionic and non-covalent dual approach to purify glucosamine from chicory root extracts. The synthesis of the molecularly imprinted polymer was optimized in terms of choice of
Daniela Vullo et al.
Bioorganic & medicinal chemistry letters, 21(12), 3591-3595 (2011-05-17)
Two new β-carbonic anhydrases (CAs, EC 4.2.1.1) from the bacterial pathogen Salmonella enterica serovar Typhimurium, stCA 1 and stCA 2, were characterized kinetically. The two enzymes possess appreciable activity as catalysts for the hydration of CO(2) to bicarbonate, with k(cat)
Alessio Innocenti et al.
Bioorganic & medicinal chemistry letters, 19(7), 1855-1857 (2009-03-10)
An inhibition study of the cytosolic carbonic anhydrase (CA, EC 4.2.1.1) isoforms I, II, III, VII and XIII with anions such as stannate(IV), selenate(VI), tellurate(VI), perosmate(VIII), persulfate, pyrophosphate(V), pyrovanadate(V), tetraborate, persulfate, perrhenate(VII), perrutenate(VII), selenocyanate, iminodisulfonate, fluorosulfate and trithiocarbonate is reported.
Joy Gryzenia et al.
Chemosphere, 77(4), 540-545 (2009-08-22)
A soil contaminated with polycyclic aromatic hydrocarbons (PAH) was treated in laboratory slurry reactors with three chemical oxidants: (1) modified Fenton chemistry (MFC) with hydrogen peroxide (HP), (2) MFC with calcium peroxide (CP) (Cool-Ox), and (3) sodium persulfate activated with
Olha S Furman et al.
Environmental science & technology, 44(16), 6423-6428 (2010-08-14)
Base is the most commonly used activator of persulfate for the treatment of contaminated groundwater by in situ chemical oxidation (ISCO). A mechanism for the base activation of persulfate is proposed involving the base-catalyzed hydrolysis of persulfate to hydroperoxide anion
Marcela V Martin et al.
Photochemistry and photobiology, 88(4), 810-815 (2012-03-01)
The reactions of Br(2)(˙-), Br˙, HO˙ and N(3)˙ with Aldrich humic acid (AHA) were investigated. The Br/Br(2)(˙-) radicals were obtained in flash-photolysis experiments (λ(exc) = 266 nm) performed with NaS(2)O(8) solutions in the presence of bromide ions. HO˙ and N(3)˙
Amy L Teel et al.
Journal of hazardous materials, 196, 153-159 (2011-10-05)
The potential for 13 naturally occurring minerals to mediate the decomposition of persulfate and generate a range of reactive oxygen species was investigated to provide fundamental information on activation mechanisms when persulfate is used for in situ chemical oxidation (ISCO).
Bingzhi Li et al.
Ultrasonics sonochemistry, 20(3), 855-863 (2012-12-26)
1,1,1-Trichloroethane (TCA), labeled as a priority pollutant by the Environmental Protection Agency (EPA) of China, can be removed from groundwater by sonochemical oxidation. The sonochemical oxidation of TCA in the presence of persulfate (PS) showed a significant synergistic effect. The
Xiaodan Zhao et al.
Journal of the American Chemical Society, 132(16), 5837-5844 (2010-04-03)
By palladium catalysis, the C-H bond functionalization of O-phenylcarbamates with simple arenes has been achieved using sodium persulfate (Na(2)S(2)O(8)), an inexpensive, easy-to-handle, and environmentally friendly oxidant. This oxidative cross-coupling involves two aromatic C-H bonds undergoing concomitant oxidation to furnish a
Elena M Diaz Kirmser et al.
Journal of agricultural and food chemistry, 58(24), 12858-12862 (2010-11-26)
Activated sodium peroxydisulfate has the potential to in situ destruct many organic contaminants because of the generation of the stronger oxidant sulfate radical. From photochemical activation of peroxydisulfate in flash-photolysis experiments, the bimolecular rate constants for the reaction of sulfate
Ru-Zhou Guo et al.
Journal of chromatography. A, 1422, 147-154 (2015-10-20)
Recently, screening of bioactive compounds by on-line ultra-high performance liquid chromatography (UHPLC) draws increasing attentions for the advantages of rapidity and intuition. Nevertheless, most on-line methods were limited to the shortcoming like low resolution and peak capacity, which could interfere
Jed Costanza et al.
Environmental science & technology, 44(24), 9445-9450 (2010-11-13)
Batch reactor experiments were performed to determine the effects of solids on the oxidation of tetracholoroethylene (PCE) by sodium persulfate in aqueous solution. Based on the rates of PCE degradation and chloride formation, PCE oxidation by heat-activated sodium persulfate at
N Sabri et al.
The Science of the total environment, 427-428, 382-389 (2012-05-15)
The objective of this work was to evaluate the removal of ibuprofen (IBP) using the oxidants hydrogen peroxide (H(2)O(2)) and sodium persulfate (Na(2)S(2)O(8)). The ability of magnetite (Fe(3)O(4)) to activate persulfate (PS) and H(2)O(2) for the oxidation of IBP at
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