LD50


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Related to LD50: LC50

LD50

(pharmacology)
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The first alternatives to the MBA were developed by NIBSC, which is tasked with double-checking the LD50 results for Bt batch tests done in the UK.
This result shows that the LD50 of products is greater than 2000 mg/kg and belongs to category V in the global chemical classification system.
The doses employed in subacute toxicity study were selected according to LD50 calculated in the acute toxicity study.
"One of the primary criteria for including a drug on the P-list as acutely hazardous is an oral lethal dose of 50 mg/kg (LD50) or less.
Of these Pesticides analyzed, the Cyhalotrin and Chlorpyrifos had the highest toxicity, because they requires a lower concentration to kill half of the study population (LD50).
Toxicity of neem VOCs as LD50 was calculated by the Probit method using the program Polo-PC plus (LeOra 2007).
Vials containing test samples, reference drug (Etoposide, LD50= 7.465 ug/mL) were incubated at 27 C for 24 hours, and LD50 values were determined to evaluate the cytotoxic effects of synthesized compounds by using the procedure of Meyer et al [22].
It is a toxic member of the OP class of chemicals (oral LD50 in rats is reported to be in the range 96 to 300 mg/kg body weight), capable of acute cholinergic poisoning typical of the cholinesterase inhibitors.
A fatal dose of influenza virus equals to 5 LD50 has been obtained.