The aim of this study was to find biocatalyst which uses thebaine and extract of different parts of Papaver bracteatum to synthesize morphine alkaloids. The thebaine-resistant strains were obtained from microbial flora of different parts of P.bracteatum. They were purified and treated utilizing ...

For this study, the synthesis of dandelion-like Co3O4 nanoflowers is presented via the straightforward solvothermal approach and specified by various analytical methods. Furthermore, electrochemical activity of dandelion-like Co3O4 nanoflowers and multiwall carbon nanotubes (MWCNT) concerning th...

Previously, we demonstrated that the concentrations of DDTs were greater in breast milk collected from Chinese mothers than from Japanese and Korean mothers. To investigate dicofol as a possible source of the DDTs in human breast milk, we collected breast milk samples from 2007 to 2009 in China ...

Dicofol (2,2,2-trichloro-1,1-bis(4-chlorophenyl)ethanol) is an extensively used organochlorine acaricide. It has been regarded as an important environment pollutant because of its potential adverse effects on humans and the environment. In this paper, the OH-initiated photodegradation mechanism ...

Water is perhaps our most valuable resource and thus should be recycled. Many of the current waste water treatment only concentrate on the pollutant without degrading it or eliminating it. In this sense, Advanced Oxidation Processes (AOP) are possibly one of the most effective methods for the tr...

A new technique whereby cellulase immobilized on aminated silica was applied to catalyze the degradation of dicofol, an organochlorine pesticide. In order to evaluate the performance of free and immobilized cellulase, experiments were carried out to measure the degradation efficiency. The Michae...

Organochlorine pesticides have generated growing concern owing to their diverse toxicities. In this connection, we have evaluated toxic potential of an acaricide, dicofol (DCF) and its harmful effects on human RBCs and lymphocytes. DCF caused hemolysis and rupture of human erythrocytes as confir...

Uptake and depuration kinetics of 4,4′-dichlorobenzophenone (main metabolite of dicofol) in the edible clam Meretrix meretrix were evaluated through a mesocosm experiment. M. meretrix was exposed to different dicofol concentrations (environmental concentration, D1 = 50 ng/L; supra-environmental...

It remains unclear whether dicofol should be defined as a persistent organic pollutant. Its environmental persistence has gained attention. This study focused on its degradation by cellulase. Cellulase was separated using a gel chromatogram, and its degradation activity towards dicofol involved ...

Dicofol, an extensively used organochlorine pesticide and a recommended Stockholm convention persistent organic pollutant (POP) candidate is well known for its endocrine disruptive properties. The sonochemical degradation of Dicofol in aqueous media has been investigated using a 20-kHz probe typ...

As an effective organochlorine pesticide, Dicofol has been extensively applied in more than 30 countries for protecting over 60 different crops. Considering its large consumption and potential adverse effect on human health (endocrine disrupting and carcinogenicity), the fate of Dicofol sprayed ...

Dicofol, a recommended Stockholm convention persistent organic pollutants (POPs) candidate is well known for its endocrine disruptive properties and has been extensively used as an organochlorine pesticide worldwide. The hydrodynamic cavitation (HC) treatment of Dicofol in aqueous media induced ...

The solvent extraction of Cu(II) with chlorendic acid has been studied The composition of the extracted species appears to be a function of pH. In the pH range 3.2–4.6, a monomeric species exists [Cu(II)(L2−], while at pH values greater than 4.5, a dimer in the form of [Cu(II)(L2−)· H2L]2 and/...

Experiments were conducted to estimate the effects of chlorendic acid and its neutralized form on laboratory aquatic ecosystems. In short-term flask studies, chlorendic acid concentrations of 500 mg/L (pH 3.5) completely inhibited algal growth and microfaunal activity, 250 mg/L (pH 4.1) inhibite...

Chlorendic acid, a fire retardant, was subjected to sequential chemical/biological oxidation. Degradation of chlorendic acid was achieved by ozonation with chlorinated and non-chlorinated by-product production. The destruction of chlorendic acid and by-product distribution was a function of ozon...

An experimental study was conducted to investigate the use of ozone to dechlorinate chlorendic acid [1,4,5,6,7,7-hexachlorobicyclo-(2,2,1)-hept-5-ene-2,3-dicarboxylic acid; CAS Number 115-28-6]. The dechlorination and subsequent degradation of chlorendic acid by ozonation is influenced by the pH...

Removal of chlorendic acid, an emerging water pollutant and potential carcinogenic, was investigated by gamma radiation in the absence and presence of peroxymonosulfate (PMS, HSO5−). The removal of chlorendic acid (1.40 μM initial concentration) by gamma radiation was promoted with PMS, i.e., 9...

The oxidation of chlorendic acid (CA), a polychlorinated recalcitrant contaminant, by heat-, mineral-, and base-activated persulfate was investigated. In pH 3–12 homogeneous (i.e., solid-free) solutions, CA was oxidized by •OH and SO4•- radicals, resulting in a nearly stoichiometric production ...

ABSTRACTBreakdown strengths of gas mixtures composed of SF6 + c-C4F8 + CO in various proportions have been studied under impulse and power frequency alternating voltages, using rod-sphere electrodes. The experiments were carried out over a pressure range extending from 100 to 400 kPa. In the pre...

Thermal diffusion factors, αT, are reported for the system He-octafluorocyclobutane at 300 K as functions of concentration and pressure; some data are also reported for the system He-n-C4H10. The experimental values are extrapolated to zero pressure and the data used to predict the pressure dep...