Phenanthrene toxicity

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August undefined, 2024

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... 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

PHENANTHRENE Occupational Safety and Health …

WebDec 31, 1994 · Phenanthrene, a polycyclic aromatic hydrocarbon of medium lipophilicity (log K{sub ow} = 4.46) was chosen as a model compound for investigating mechanisms of bioaccumulation of hydrophobic chemicals in microalgae and relations between expressed toxicity and bioaccumulation. {sup 14}C labelled phenanthrene was used for easy … WebApr 17, 2024 · Phenanthrene, a Polycyclic Aromatic Hydrocarbon, remains adsorbed to sedimentary particles in aquatic environments. It affects mainly benthic organisms, and is … base tukang level 7 terkuat

Phenanthrene and fluorene-mediated early development toxicity in ...

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. WebThe toxicity and carcinogenicity of PAHs are abundantly published, which is primarily benzo[a]pyrene; however, toxicity data for phenanthrene are limited. Data from structurally related PAHs suggest that phenanthrene is absorbed readily from the gut and lungs. In … Marc A. Williams, ... Gunda Reddy, in Wildlife Toxicity Assessments for … Morphine. We have shown that morphine and HIV-1 viral protein tat alone and in … Although diverse plant alkaloids are active as defensive compounds against … WebThe concentrations of phenanthrene in the aqueous phase were found to correlate well with the corresponding toxicity data obtained by using this toxicity biosensor. In addition, it was also found that the addition of glass beads to the agar media enhanced the stability of the immobilized cells. base tukang th 9 terkuat

Influence of Phenanthrene on Cadmium Toxicity to Soil Enzymes …

Phenanthrene Bioavailability and Toxicity to Daphnia magna in the ...

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 … WebFeb 13, 1998 · Information on the developmental and reproductive toxicity of phenanthrene in humans or animals following inhalation exposure was not available. 3.2.5. Reference … syoziromaruWebProduct name : Phenanthrene Product Number : P11409 Brand : Aldrich CAS-No. : 85-01-8 1.2 Relevant identified uses of the substance or mixture and uses advised against ... Toxicity to fish flow-through test LC50 - Lepomis macrochirus (Bluegill sunfish) - 0.234 mg/l - 96 h Remarks: (ECOTOX Database) Toxicity to daphnia and other aquatic ... base turf demain

"WebOct 19, 2015 · phenanthrene concentration of 37 mg/kg soil, indicating its potent and environmentally-relevant toxicity. Further studies showed high bioaccumulation potential … " - Phenanthrene toxicity

Phenanthrene toxicity

The effect of pH on the acute toxicity of phenanthrene in …

WebFumes from vehicle exhaust, coal, coal tar, asphalt, wildfires, agricultural burning and hazardous waste sites are all sources of exposure. You could be exposed to PAHs by … WebFeb 4, 2024 · The bioavailability and mobility of phenanthrene (Phe) adsorbed by multi-walled carbon nanotubes (MWCNTs) may be substantially influenced by nonionic surfactants used both in the synthesis and dispersion of MWCNTs. The adsorption mechanisms of Phe adsorbed onto MWCNTs under the different nonionic surfactants …

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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 ... 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 ...

WebPhenanthrene 1.8 g/kg ( Rat ) Not listed Not listed Toxicologically Synergistic Products No information available Delayed and immediate effects as well as chronic effects from short and long-term exposure IrritationNo information … 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 …

WebFirst, the acute aqueous toxicity of phenanthrene in adult Gammarus roeseli was determined with a LC 50 of 471 μg/L after 24 h and 441 μg/L after 48 h. Second, considering lethal and sublethal endpoints, effects of phenanthrene concentration on G. roeseli were assessed in relation to the presence of anthropogenic and natural particles. Web(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 ...

WebJan 29, 2024 · Phenanthrene (CASRN 85-01-8). Campo, L., et al. Biological monitoring of exposure to polycyclic aromatic hydrocarbons by determination of unmetabolized …

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 … baseturfWebJun 22, 2010 · sediments A and B have measured phenanthrene concentrations of 10,000 ug/kg dry weight. Sediment A has an organic carbon concentration of 1% and Sediment B has an organic carbon concentration of 2%. Sediment B is considered half as toxic as Sediment A, because Sediment B can bind twice the amount of phenanthrene than … baseturfaWebOct 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 … base tupia makita base tuneWebPhenanthrene is a low-toxicity, non-cytochrome P4501A (CYP1A)-inducing compound that accumulates in fish tissues during exposure to lethal concentrations in water. Retene is … baseturf baseturfWebToxic 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). baseturkWebJun 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 syoss boje za kosu