T.pyriformis toxicity

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August undefined, 2024

Splet12. feb. 2007 · Toxicity assays involved the Microtox® test, the T. pyriformis population growth impairment test employing three different processes (flasks, tubes, microplates), and the T. pyriformis nonspecific … Spletaquatic toxicity and abiotic thiol reactivity of se-lectedamides.Thespeciﬁcaimswere:(1)todeter-mine reactive toxicants by examining the effects on Tetrahymena pyriformis population growth of short-term exposure to representatives of each structural group; (2) to determine the toxic po-tency for larger …

Assessment of the potential toxicity of herbicides and their ...

Splet01. apr. 1999 · A comprehensive review of Tetrahymena pyriformis and its role in toxicological studies has been published by Sauvant et al. 57 The number of studies … Splet18. jul. 2006 · Toxicity of various compounds has been measured in many studies by their toxic effects against Tetrahymena pyriformis. Efforts have also been made to use … innotech app

pkCSM: Predicting Small-Molecule Pharmacokinetic and Toxicity ...

Splet06. apr. 2024 · One detoxification mechanism is the intracellular bioaccumulation of toxic metals, which has been observed in various ciliate species 14, 15, 21, 22, 23, 24, 25. Bioaccumulation is usually... Splet12. feb. 2007 · Alachlor exerted a toxic effect on the two nontarget cells used. The results for diuron and its photo and biotransformation products indicated that most of the … Splet01. mar. 2014 · Results: This study described the development of Quantitative Structure Toxicity Relationship (QSTR) model for the prediction of aqueous toxicity against T. … modern beauty red deer

Electrophilicity-based charge transfer for developing aquatic ...

Pharmacoinformatics-based investigation of bioactive …

Splet12. apr. 2024 · Workflow design for predicting toxicity on Fathead minnow and Tetrahymena pyriformis with ECT as descriptor using LR- and ML-based methods Observed ECT between selected molecules and bases of DNA ... Spletpred toliko urami: 13 · The current study aimed to determine the acute and sub-chronic toxicity of ammonia to juvenile surf clams (Mactra chinensis Philippi). Acute toxicity tests were conducted with seven concentrations of ammonium chloride using a 96 h static-renewal approach. Sub-chronic ammonia exposure tests (20 d exposures) were … innotec fast glue 1SpletDescription In this endpoint, toxicity is determined when it affects a protozoa bacteria, T. Pyriformis. The concentration of compounds on T. Pyriformis are assessed in terms of … innotax gmbh erfurt

"Splet25. jul. 1998 · Toxicity data for the 50% growth inhibitory concentration against Tetrahymena pyriformis (log (IGC50-1)) for 42 alkyl- and halogen-substituted nitro- and dinitrobenzenes were obtained experimentally. Log (IGC50-1) along with the hydrophobicity, the logarithm of the 1-octanol/water partition coefficient (log Kow), and the molecular … " - T.pyriformis toxicity

T.pyriformis toxicity

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Splet01. mar. 2010 · A large toxicity data set containing the toxicities of 250 phenols and 252 aliphatic compounds to Tetrahymena pyriformis was classified into different groups … SpletToxicity assays involved the Microtox test, the T. pyriformis population growth impairment test employing three different processes (flasks, tubes, microplates), and the T. …

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Splet22. apr. 2015 · T. Pyriformis toxicity: admetSAR : 0.256: 0.761: 0.535/0.349: 0.855/0.933 a: flathead minnow toxicity (LC 50) admetSAR : 0.666: 0.574: 0.836/0.587: 0.743/0.853 a: a Denotes a statistically significant performance difference obtained via a Fisher r–to–z transformation, by calculating the z value, using a threshold of p ≤ 0.05 for ... SpletSnake venom has been shown to have an antiparasitic effect. The venom from the cobra Naja sumatrana showed antiprotozoan activity towards the ciliate Tetrahymena …

SpletTOXICITY OF NITROBENZENES TO T. pyriformis 1113 cular structures. For this purpose, a group of 45 nitrobenzene compounds having the structure of a single nitrobenzene ring … Splet01. jun. 2024 · The estimation of toxicity of aromatic compounds toward Tetrahymena pyriform ( T. pyriformis) is an important ecologic and pharmaceutical task. T. pyriformis …

SpletThe toxicity of cytotoxins from N. sumatrana (NS) and N. oxiana (CX1 and CX2) venoms to T. pyriformis. Fractions and toxins were dissolved in water at the concentration of 20 mg/mL. 10 μL of each toxin solution was added to 200 μL of infusorian suspension (about 800 microorganisms) and the number of survived microorganisms was counted using ... SpletThe results obtained show that when using T. pyriformis one can assess the biological value and toxicity of fodder (biological additives) for poultry as well as a toxicity of a meat of broiler chickens. The biological value of broiler chickens’ meat did not decrease and it was not toxic after the use of "Probix" FA.

Splet15. maj 2024 · The cytotoxins from several cobra species were tested and manifested toxicity for infusorians. Light microscopy revealed that, because of the cytotoxin action, …

Splet08. apr. 2005 · This paper presents a mechanistic analysis of aquatic toxicity data, quantified as pIGC50 assessed in the 40 h Tetrahymena pyriformis population growth impairment assay, for 40 polyhydroxybenzene derivatives. The toxicity trends of these phenolic compounds have been shown to be consistent with mechanistic organic … modern beauty merrimack nhSplet06. apr. 2024 · (a–f) T. pyriformis is treated with 0.5 mM GdCl 3 in 1% PPY medium. ... Zhang, T. et al. Acute toxicity of heavy metals to tetrahymena in an in vitro experiment … innotec flachdachSpletBackground: Many QSAR studies have been developed to predict acute toxicity over several biomarkers like Pimephales promelas, Daphnia magna and Tetrahymena pyriformis. Regardless of the progress made in this field there are still some gaps to be resolved such as the prediction of aquatic toxicity over the protozoan T. pyriformis still lack a QSAR … modern beauty salon s pte ltdSpletTetrahymena pyriformis (GL) was fed on Escherichia coli or Klebsiella pneumoniae . Toxicants CdSO4. Temperature 28 degrees C. Test design Cultures on living toxified … innotec frankfurtSplet01. mar. 2014 · Results: This study described the development of Quantitative Structure Toxicity Relationship (QSTR) model for the prediction of aqueous toxicity against T. pyriformis. Firstly, model... innotech advanced solutionsSpletIt is especially true to address the persistence, bioaccumulative and toxicity potentials of organic chemicals. Tetrahymena pyriformis toxicity is often used as a toxic endpoint. In … modern beautiful kitchen curtainsSpletToxicity was assessed in the 2-day Tetrahymena pyriformis population growth impairment assay. Toxic potency [log(IGC50(-1))] for most of these chemicals was in excess of baseline narcosis as quantified by the 1-octanol/water partition coefficient (log K(ow)). innotech 105