2024 Phenanthrene toxicity

Phenanthrene toxicity

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August undefined, 2024

WebOct 27, 2024 · Phenanthrene Mitigates Cadmium Toxicity in Earthworms Eisenia fetida (Epigeic Specie) and Aporrectodea caliginosa (Endogeic Specie) in Soil Phenanthrene Mitigates Cadmium Toxicity in Earthworms Eisenia fetida (Epigeic Specie) and Aporrectodea caliginosa (Endogeic Specie) in Soil WebOct 19, 2015 · phenanthrene concentration of 37 mg/kg soil, indicating its potent and environmentally-relevant toxicity. Further studies showed high bioaccumulation potential …

Mechanisms of phenanthrene toxicity in the soil invertebrate ...

WebJan 4, 2024 · Microbial viability tests using E. coli and B. subtilis revealed that the treated phenanthrene was less toxic than untreated phenanthrene. Phytotoxicity and genotoxicity … WebApr 29, 2015 · However, the phenanthrene toxicity to E. fetida differently reported as 31.47 mg kg −1 of LC 50 value in an acute toxicity test using an artificial soil (Wu et al. 2013). The difference between studies may be due to the total water-holding capacity and the type of food supply during the exposure time. richard totman

Modulation of PAH toxicity on the freshwater organism G

WebDepending on the toxicity criteria employed for these ecologically beneficial organisms, the impact of low and high doses of pollutants can range from stimulation to total inhibition. ... Pure anthracene (a2) and par- tially degraded by O. salina (b2), P. terebrans (c2) and Aphanocapsa sp. (d2). Pure phenanthrene (a3) and partially degraded by ... WebOct 19, 2015 · phenanthrene exposure; (3) study the mechanisms of phenanthrene toxicity; (4) detect phenanthrene-specific molecular fingerprints, and (5) understand the previously observed effects on population (reproduction after 21 d of exposure). Also, histological techniques are applied to assess the effects at WebOct 1, 2012 · The potential toxicity of phenanthrene and its generated metabolites towards the bacterium Vibrio fischeri was significantly reduced 10 days after the bioassay. On the basis of the identified metabolites, enzyme activities and the utilization of probable intermediates, phenanthrene degradation by strain AD‐3 was proposed in two distinct ... richard tovarna

(8S,9S,14S,17S)-17-ethynyl-6,7,8,9,11,12,13,14,15,16 ...

Bioaccumulation and toxicity of phenanthrene applied to different ...

WebJun 7, 2005 · 0.1 mg/kg dry soil phenanthrene alone or phenanthrene plus 10 mg/kg cadmium (Cd) were added to soil to determine the influence of phenanthrene on Cd toxicity to soil enzymes (invertase, urease, dehydrogenase and phosphatase) and microorganisms (fungi, bacteria and actinomycete) in paddy soil. Results and Discussion WebDec 4, 2024 · The results showed that the toxicity of phenanthrene increased significantly ( p < 0.05) with decreasing pH, with the nominal concentration required to inhibit growth … red mountain wood cook stockWebMay 1, 2007 · 05 μg · L -1 of phenanthrene already had toxic effect on B. rerio gill and liver, and the damage was more severe when exposed to 100. 0 μg · L-1 of phenanthrene. The impairment of B. rerio ... richard tovell

"WebJan 1, 2010 · The early developmental toxicity in zebrafish exposed by Phenanthrene (Phe) and Fluorene (Fl) was investigated by determining mortality and morphological malformation endpoints, such as no... " - Phenanthrene toxicity

Phenanthrene toxicity

Toxic mechanism on phenanthrene-induced cytotoxicity, …

WebJan 2, 2024 · Phenanthrene is a polycyclic aromatic hydrocarbon (PAH) and has been frequently used as an indicator for monitoring PAH contaminated matrices [1]. Phenanthrene induces oxidative stress and inflammation [2]. Properties Articles 110 Spectrum Names Phenanthrene Biological Activity Chemical & Physical Properties MSDS … WebFeb 1, 2007 · Abstract. The fraction in which direct contact occurs between micellar-phase phenanthrene and the bacterial cell surface was estimated by measuring the toxicity of …

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WebAqueous phenanthrene toxicity after high-frequency ultrasound degradation Given that polycyclic aromatic hydrocarbons (PAHs), such as phenanthrene (PH), possess a potent risk for aquatic biota, a great attempt to develop and apply advanced oxidation processes, such as ultrasound (US), is of great concern nowadays. WebMar 14, 2024 · No ecotoxicological information exists on phenanthrene (Phe) exposure in cephalopods, animals of commercial and ecological importance. This study investigated the effect of Phe on two B-esterases, Acetylcholinesterase (AChE) and Carboxylesterases (CbE), in Octopus maya embryos. Octopus embryos were …

WebMar 25, 2024 · Here, we investigated the toxicity of phenanthrene, a representative PAH, to the marine green alga C. vulgaris and the bloom-forming diatom Skeletonema costatum. … WebFeb 1, 2007 · Abstract. The fraction in which direct contact occurs between micellar-phase phenanthrene and the bacterial cell surface was estimated by measuring the toxicity of nonionic surfactant (Tween 80 and Triton X-100) solutions to the phenanthrene-degrading bacterium, Pseudomonas putida P2. Cell viability of completely dissolved phenanthrene …

WebToxic Substances and Disease Registry (ATSDR), 1995). The Environmental Protection Agency (EPA) has designated 16 PAHs as priority pollutants. These include the four PAHs under investigation here: the tricyclic AH phenanthrene (PHE), the tetracyclic AHs pyrene (PYR) and fluoranthene (FLA), and the five-ringed benzo-(a)-pyrene (BaP) (Table 1). WebThis MPC is based on three routes: direct toxicity, secondary poisoning and consumption of fish by humans. Direct toxicity is the most critical of these three routes and determines the overall MPC for fresh- and saltwater (1.1 microgram per liter).

Web17-(2-Hydroxyacetyl)-10,13,17-trimethyl-1,2,6,7,8,9,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,11-dione C22H30O4 CID 163636228 - structure, chemical names ...

WebToxicity of ZnO Nanoparticles to Escherichia coli: Mechanism and the Influence of Medium Components (455 citations) ... Phenanthrene, Octanol, Naphthalene and Solubility in the investigation of issues within Sorption. His studies deal with areas such as Nanoparticle, Escherichia coli and Bioaccumulation as well as Toxicity. ... red mountain wrestling 2021WebJan 22, 2024 · Phenanthrene (PHE) is a harmful organic contaminant and exists extensively in the soil environment. The accumulation of PHE would potentially threaten soil … richard tovar american familyWeb1,2,3,3a,4a,5,6,7,8,9,9a,9b-Dodecahydrocyclopenta[def]phenanthrene C15H22 CID 608796 - structure, chemical names, physical and chemical properties, classification ... red mountain xcWebOct 27, 2024 · In another study, they showed that phenanthrene increased the lethal toxicity of co-occurring Cd in Hyalella Azteca in sediment exposure . Thus, it is obvious that the … richard tovey cavWeb(8S,9S,14S,17S)-17-ethynyl-6,7,8,9,11,12,13,14,15,16-decahydrocyclopenta[a]phenanthrene-3,17-diol C19H22O2 CID 89078724 - structure, chemical names, physical and ... red mountain zip lineWebJan 29, 2024 · Phenanthrene (CASRN 85-01-8). Campo, L., et al. Biological monitoring of exposure to polycyclic aromatic hydrocarbons by determination of unmetabolized … richard tovey actorWebApr 17, 2024 · Phenanthrene, a Polycyclic Aromatic Hydrocarbon, remains adsorbed to sedimentary particles in aquatic environments. It affects mainly benthic organisms, and is … red mountain zone