Articles with "lc50" as a keyword



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Toxicity of Carbon Dioxide to Freshwater Fishes: Implications for Aquatic Invasive Species Management.

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Published in 2020 at "Environmental toxicology and chemistry"

DOI: 10.1002/etc.4855

Abstract: Carbon dioxide (CO2 ) has been approved by the U.S. Environmental Protection Agency as a new aquatic pesticide to control invasive Asian carps and other aquatic nuisance species in the United States. However, limited CO2… read more here.

Keywords: co2; carbon dioxide; toxicity; lc50 ... See more keywords
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Derivatization increases mosquito larvicidal activity of the sesquiterpene lactone parthenin isolated from the invasive weed Parthenium hysterophorus.

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Published in 2020 at "Pest management science"

DOI: 10.1002/ps.6131

Abstract: BACKGROUND Extracts of the invasive weed Parthenium hysterophorus (Asteraceae) have been shown to possess larvicidal activity against a wide range of disease vectors. However, the phytochemicals responsible for the larvicidal activity from this plant remain… read more here.

Keywords: larvicidal activity; lc50; invasive weed; parthenin ... See more keywords

Insecticidal potential of extracts, fractions, and molecules of Aconitum heterophyllum Wall ex. Royle against aphid Aphis craccivora Koch (Hemiptera: Aphididae).

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Published in 2022 at "Pest management science"

DOI: 10.1002/ps.7324

Abstract: BACKGROUND Aphis craccivora is the major sap-sucking pest of leguminous crops and vector of plant viruses that cause damage to plants and reduce yield. Indiscriminate and nonjudicious use of synthetic insecticides led to resistance development… read more here.

Keywords: aphis craccivora; lc50; aconitum heterophyllum; craccivora ... See more keywords
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Design, Synthesis, and Insecticidal Activity of Novel Triazone Derivatives Containing Sulfonamide or Sulfonimide Moieties.

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Published in 2021 at "Journal of agricultural and food chemistry"

DOI: 10.1021/acs.jafc.1c01925

Abstract: On the basis of sulfonamide moieties widely used in drugs and the mode of action of pymetrozine and the structures of some transient receptor potential channel antagonists and to improve the insecticidal activities of triazone… read more here.

Keywords: triazone derivatives; derivatives containing; lc50; sulfonamide sulfonimide ... See more keywords
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Design, Synthesis, and Insecticidal Activity of Novel Isoxazoline Diacylhydrazine Compounds as GABA Receptor Inhibitors.

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Published in 2023 at "Journal of agricultural and food chemistry"

DOI: 10.1021/acs.jafc.2c08880

Abstract: A series of isoxazoline derivatives containing diacylhydrazine moieties were designed and synthesized as potential insecticides. Most of these derivatives exhibited good insecticidal activities against Plutella xylostella, and some compounds exhibited excellent insecticidal activities against Spodoptera… read more here.

Keywords: lc50; isoxazoline; insecticidal activity; diacylhydrazine ... See more keywords
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Application of median lethal concentration (LC50) of pathogenic microorganisms and their antigens in vaccine development

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Published in 2020 at "BMC Research Notes"

DOI: 10.1186/s13104-020-05126-x

Abstract: Lack of ideal mathematical models to qualify and quantify both pathogenicity, and virulence is a dreadful setback in development of new antimicrobials and vaccines against resistance pathogenic microorganisms. Hence, the modified arithmetical formula of Reed… read more here.

Keywords: vaccine; lc50; pathogenic microorganisms; microorganisms antigens ... See more keywords
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Heterologous Expression and Bioactivity Determination of Monochamus alternatus Antibacterial Peptide Gene in Komagataella phaffii (Pichia pastoris)

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Published in 2023 at "International Journal of Molecular Sciences"

DOI: 10.3390/ijms24065421

Abstract: Insects have evolved to form a variety of complex natural compounds to prevent pathogen infection in the process of a long-term attack and defense game with various pathogens in nature. Antimicrobial Peptides (AMPs) are important… read more here.

Keywords: lc50; komagataella phaffii; heterologous expression; monochamus alternatus ... See more keywords
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Metabolomic Profiling Unveils the Impact of Non-Doped and Heteroatom-Doped Carbon Nanodots on Zebrafish (Danio rerio) Embryos

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Published in 2021 at "Nanomaterials"

DOI: 10.3390/nano11020483

Abstract: Recently, concern has been raised over the transport, transformation, and fate of carbon nanodots (CNDs) after their release into the environment. Their toxicity towards organisms and humans has recently been addressed as an important issue.… read more here.

Keywords: pathways detected; metabolism; metabolic pathways; non doped ... See more keywords
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The Influence of Herbicides to Marine Organisms Aliivibrio fischeri and Artemia salina

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Published in 2021 at "Toxics"

DOI: 10.3390/toxics9110275

Abstract: The aim of this work was to determine the toxic effect of the most used herbicides on marine organisms, the bacterium Aliivibrio fischeri, and the crustacean Artemia salina. The effect of these substances was evaluated… read more here.

Keywords: lc50; aliivibrio fischeri; artemia salina; marine organisms ... See more keywords
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Prospects and perspectives of virtual in-vitro toxicity studies on herbal extracts of Terminalia arjuna with enhanced stratagem in Artemia salina model: a panacea to explicit the credence of solvent system in brine shrimp lethality bioassay

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Published in 2020 at "Emirates Journal of Food and Agriculture"

DOI: 10.9755/ejfa.2020.v32.i1.2055

Abstract: An in-vitro toxicity study was undertaken for the validation, laydown the standards, supplement some of the information on assessment and define the nature of toxicity of different solvent extracts of Terminalia arjuna considering Artemia salina… read more here.

Keywords: relative lc50; solvent extracts; lc50; toxicity ... See more keywords