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20 results for “Lethal Concentration”
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Research ArticleOpen accessIn the keywordsRETRACTED: Toxicity Assessment of Phosphonium Based Ionic Liquids Towards Female Guppy FishMohanad El-Harbawi, Yasmin Syazwani Bt. Yusri, M. Ismail HossainIn this study, two phosphonium based ionic liquids (butyl triphenyl phosphonium chloride and hexyl triphenyl phosphonium bromide) have been synthesized using quarternisation process. The toxicities of these Ionic Liquids (ILs) are unknown and may be harmful to humans and the environment. Therefore, the toxicity assessment of these ILs was carried out according to the Organization for Economic Cooperation and Development … …American Journal of Environmental Sciences, Vol. 9, Issue 6 · 20 Jan 2014 · 6,854 accessesView PDFCite
Research ArticleOpen accessIn the abstractMolluscicidal Activity of Ethanolic Dieffenbachia seguine (Dumb Cane) Leaf Extract Against Pomacea canaliculata (Golden Apple Snail)Alfredo V. Corpuz, Carmela M. Florentino, Ace Danielle C. Avero, Sherwin V. AlvaroThe golden apple snail (Pomacea canaliculata), an invasive species that originated in South America, has caused significant damage to rice plantations in Southeast Asia, notably the Philippines. Because of its voracious appetite for aquatic vegetation and quick reproduction rate, it poses a significant agricultural problem. Conventional control approaches, which mostly use chemical molluscicides, have increased environmental issues and threats to … …OnLine Journal of Biological Sciences, Vol. 26, Issue 3 · 14 Sep 2026 · 860 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffects of a Cyclachaena Xanthiifolia Extract on Trematodes Opisthorchis Felineus: An in Vitro StudyDenis Ponomarev, Elena Khramova, Natalia Gubanova et al.Cyclachaena xanthiifolia is a phytochemically rich invasive weed with documented allelopathic properties, making it a candidate source of bioactive compounds with potential medicinal applications. This study investigated the anthelmintic activity of a crude aqueous-ethanolic extract of C. xanthiifolia (CxEt), prepared from equal proportions of leaves and seeds, against the trematode Opisthorchis felineus in vitro. The effects of CxEt on the … …OnLine Journal of Biological Sciences, Vol. 26, Issue 2 · 1 Jun 2026 · 1,253 accessesView PDFCite
Research ArticleOpen accessIn the abstractDevelopment and Evaluation of Acaricidal Soap Formulated from Azadirachta indica (Neem) and Carica Papaya (Papaya) Leaf Extracts Using Bio-Assay Guided ApproachAlfredo V. Corpuz, Carmela Montoya Florentino, Ace Danielle C. AveroThe environment, human health, and animals are all at risk as a result of the pervasive use of chemical-based products to control ticks and lice in animals, mostly dogs. This investigation was designed to assess the efficacy and physicochemical properties of an acaricidal soap for canines that was formulated using Azadirachta indica and Carica papaya leaf extracts. The soap was … …OnLine Journal of Biological Sciences, Vol. 25, Issue 4 · 27 Nov 2025 · 3,088 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffects of Purified Tick Saliva Toxins on Various Bio-Molecules in Blood Serum, Liver and Muscles of Albino MiceNidhi Yadav, Ravi Kant UpadhyayIn the present study, salivary toxins from Rhipicephalus microplus were isolated and purified on a Sepharose CL 6B 200 gel column at a constant flow rate with regular fractions of 5 mL/min. Pooled fractions were lyophilized and LD50 was then determined in albino mice. The LD50 value of the protein toxin of Rhipicephalus microplus was found 36.11 mg/kg body weight … …American Journal of Animal and Veterinary Sciences, Vol. 19, Issue 1 · 30 Dec 2023 · 5,358 accessesView PDFCite
Research ArticleOpen accessIn the abstractChronic and Acute Effect of Tramadol Intoxication on Some Immunological ParametersLoveday Udu Zebedee, Zaccheus Awortu Jeremiah, Nyebuchi Jonathan, Eni-Yimini Solomon AgoroTramadol intoxication is rapidly on the increase in Nigeria with unestablished short-term and long-term effects. The study was aimed at elucidating the dose-dependent effect of acute or chronic tramadol intoxication on some immunological parameters using male rats (Rattus norvegicus). A total of fifty adult rats were used for the study as indicated by Mead's Resource Equation. The study consisted of … …American Journal of Immunology, Vol. 17, Issue 1 · 24 Apr 2021 · 8,032 accessesView PDFCite
Research ArticleOpen accessIn the abstractLarvicidal Activity of Bruceine A against Aedes aegypti and Toxicity on Vero CellsDwi Sutiningsih, Mustofa, Tri Baskoro Tunggul Satoto, Edhi MartonoVector control is still based on the use of chemical insecticides, which can cause death of nontarget animals, pollution and the emergence of vector resistance. This study aims to assess the larvicidal activity of bruceine A against larvae of Aedes aegypti and its cytotoxic activity against Vero cells. Extraction and isolation of bruceine A from the seeds of Brucea javanica … …OnLine Journal of Biological Sciences, Vol. 18, Issue 3 · 4 Sep 2018 · 7,915 accessesView PDFCite
Research ArticleOpen accessIn the abstractToxicity of Endosulfan to the Red Hybrid TilapiaDwight E. Robinson, Winroy WilliamsExposure of mature red hybrid Tilapia sp. to a range of sub-lethal concentrations of endosulfan for 21 days induced a spectrum of often not clearly distinguishable Behavioural Toxic Symptoms (BTS), ranging from reversible to eventually fatal responses. The No Observed Effect Concentration (NOEC: Below the threshold of BTS) and the Lowest Observed Effect Concentration (LOEC: Above the threshold of low … …OnLine Journal of Biological Sciences, Vol. 15, Issue 1 · 11 Mar 2015 · 7,119 accessesView PDFCite
Research ArticleOpen accessIn the abstractIn-Vivo Evaluation of Hexavalent Chromium Induced DNA Damage by Alkaline Comet Assay and Oxidative Stress in Catla catlaKantha Deivi Arunachalam, Sathesh Kumar Annamalai, Jaya Krishna KuruvaIn the present study, the acute toxicity of Chromium in fingerlings of Catla catla, an Indian major carp, was evaluated with renewal bioassay method. In vivo studies were designed to assess the extent of Micronucleus Assay, Comet Assay under the exposure of common heavy-metal compounds, namely, Chromium Nitrate, using Catla catla (2n = 20), as a test model. The laboratory … …American Journal of Environmental Sciences, Vol. 9, Issue 6 · 15 Jan 2014 · 7,200 accessesView PDFCite