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Abbreviation: LC50
Appearance Frequency: 145 time(s)
Long forms: 43

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Long Form No. Long Form Research Area Co-occurring Abbreviation PubMed/MEDLINE Info. (Year, Title)
lethal concentration 50
(87 times)
Environmental Health
(29 times)
RF (6 times)
CL (4 times)
EC50 (4 times)
1994 Toxicity of compound A in rats. Effect of a 3-hour administration.
lethal concentration for 50% of the population
(8 times)
Chemistry
(3 times)
ANOVA (1 time)
BIPV (1 time)
BZ (1 time)
2001 On the validity of classifying chemicals for persistence, bioaccumulation, toxicity, and potential for long-range transport.
lethal concentration for 50% mortality
(4 times)
Environmental Health
(1 time)
GC-MS (1 time)
LC90 (1 time)
MIC (1 time)
2012 Bioassay of Artemisia annua leaf extracts and artemisinin against larvae of Culex quinquefasciatus and Culex tritaeniorhynchus.
Lethal concentration to 50% of exposed organisms
(3 times)
Chemistry
(2 times)
OilToxEx (1 time)
OWD (1 time)
TAN (1 time)
2002 Development and application of an oil toxicity and exposure model, OilToxEx.
lethal concentration estimated to kill 50% of a tested population
(2 times)
Chemistry
(1 time)
AP-PLA2 (1 time)
CV (1 time)
HIV (1 time)
2013 Interactive effects of pesticide mixtures, predators, and environmental regimes on the toxicity of two pesticides to red-eyed tree frog larvae.
lethal concentration that kills 50% of the exposed larvae
(2 times)
Parasitology
(1 time)
LC90 (2 times)
EDX (1 time)
FTIR (1 time)
2014 Optimization and synthesis of silver nanoparticles using Isaria fumosorosea against human vector mosquitoes.
lethal concentrations for 50% of parasites
(2 times)
Medicine
(1 time)
DNK (1 time)
ROS (1 time)
2015 In vitro and in vivo anthelmintic activity of (-)-6,6'-dinitrohinokinin against schistosomula and juvenile and adult worms of Schistosoma mansoni.
lethal exposure concentration associated with a mortality of 50
(2 times)
Environmental Health
(2 times)
AUC (1 time)
CBC (1 time)
2004 Accumulation and toxicity of cadmium in the aquatic oligochaete Tubifex tubifex: a kinetic modeling approach.
5-lipoxygenase, causing a 50% death rate
(1 time)
Biology
(1 time)
--- 2004 [Apoptosis in P388 leukemia cells induced by specific inhibitors of 5- and 12-lipoxygenase and the product of cyclooxygenase, prostaglandin E2].
10  B-lineage ALL samples tested, the concentration producing 50% cytotoxicity
(1 time)
Neoplasms
(1 time)
ALL (1 time)
1996 Comparative cytotoxicity of dexamethasone and prednisolone in childhood acute lymphoblastic leukemia.
11  L(-1) of silver caused 50% mortality
(1 time)
Environmental Health
(1 time)
--- 2010 Water chemistry influences the toxicity of silver to the green-lipped mussel Perna viridis.
12  LA50 was employed to predict the 96 h Cu toxicity
(1 time)
Environmental Health
(1 time)
BLM (1 time)
2011 Application of the biotic ligand model to predict copper acute toxicity to Medaka fish in typical Chinese rivers.
13  large database of concentrations causing 50% lethality
(1 time)
Biology
(1 time)
FET (1 time)
MOA (1 time)
QSARs (1 time)
2016 Development of a general baseline toxicity QSAR model for the fish embryo acute toxicity test.
14  larvae of A. ipsilon, with a 50%-lethal concentration
(1 time)
Zoology
(1 time)
--- 2018 Sublethal and Hormesis Effects of Clothianidin on the Black Cutworm (Lepidoptera: Noctuidae).
15  larvae, the concentration required to kill 50% of larvae
(1 time)
Biotechnology
(1 time)
--- 1997 Cloning and expression of the Bacillus sphaericus 2362 mosquitocidal genes in a non-toxic unicellular cyanobacterium, Synechococcus PCC6301.
16  layer causing 50% mortality
(1 time)
Environmental Health
(1 time)
AE (1 time)
EqP (1 time)
2008 Sediment toxicity of a rapidly biodegrading nonionic surfactant: Comparing the equilibrium partitioning approach with measurements in pore water.
17  LC50 values of 2.959-5.013muM compared to that of 1
(1 time)
Chemistry
(1 time)
--- 2016 Synthesis, biological activities and structure-activity relationships for new avermectin analogues.
18  leading to 50% cell death
(1 time)
Anesthesiology
(1 time)
--- 2012 Lipophilicity but not stereospecificity is a major determinant of local anaesthetic-induced cytotoxicity in human T-lymphoma cells.
19  leading to a 50% decrease in cell number
(1 time)
Gastroenterology
(1 time)
Sch B (1 time)
2004 Down-modulation of heat shock protein 70 and up-modulation of Caspase-3 during schisandrin B-induced apoptosis in human hepatoma SMMC-7721 cells.
20  lethal concentration 50 values
(1 time)
Zoology
(1 time)
PBO (1 time)
2017 Status of Resistance of Bemisia tabaci (Hemiptera: Aleyrodidae) to Neonicotinoids in Iran and Detoxification by Cytochrome P450-Dependent Monooxygenases.
21  lethal concentration at which 50% cells were killed
(1 time)
Molecular Biology
(1 time)
--- 2012 Effect of ascorbic acid and hydrogen peroxide on mouse neuroblastoma cells.
22  lethal concentration for 50% of exposed cells
(1 time)
Toxicology
(1 time)
CAsE (1 time)
CisPt (1 time)
DMA (1 time)
2000 Studies on the mechanisms of arsenic-induced self tolerance developed in liver epithelial cells through continuous low-level arsenite exposure.
23  Lethal concentration in 50% of test species
(1 time)
Ecology
(1 time)
EC50 (1 time)
LOEC (1 time)
PNEC (1 time)
2015 Acute toxicity of peroxy sulfonated oleic acids (PSOA) to freshwater aquatic species and sludge microflora as observed in laboratory environments.
24  lethal concentration inducing 50% fish mortality
(1 time)
Toxicology
(1 time)
--- 1995 Acute toxicity of fluorescein to turbot (Scophthalmus maximus).
25  lethal concentration of 50% individuals
(1 time)
Biology
(1 time)
LT50 (1 time)
PIB (1 time)
PM (1 time)
2007 Interaction of Xestia c-nigrum granulovirus with peritrophic matrix and Spodoptera litura nucleopolyhedrovirus in Spodoptera litura.
26  lethal concentration of 50% of cells
(1 time)
Dentistry
(1 time)
HP (1 time)
NR (1 time)
2014 Penetration and cytotoxicity of a bleaching gel activated by LED/laser in restored teeth.
27  lethal concentration of 50% of organisms tested
(1 time)
Chemistry
(1 time)
PFOS (1 time)
2017 Metabolomic responses to sublethal contaminant exposure in neonate and adult Daphnia magna.
28  lethal concentration on cell viability of 50
(1 time)
Natural Science Disciplines
(1 time)
--- 2017 Enhanced efficiency of cell death by lysosome-specific photodamage.
29  lethal concentration resulting in 50% mortality
(1 time)
Chemistry
(1 time)
TBT (1 time)
2004 Accumulation of tributyltin in Hyalella azteca as an indicator of chronic toxicity: survival, growth, and reproduction.
30  lethal concentration that killed 50% of individuals
(1 time)
Occupational Medicine
(1 time)
CAT (1 time)
GPx (1 time)
ROS (1 time)
2014 Mortality and antioxidant responses in the planarian (Dugesia japonica) after exposure to copper.
31  lethal concentration that kills 50% of larvae
(1 time)
Parasitology
(1 time)
--- 2016 HISTOCHEMICAL EFFECTS OF SOME BIOLOGICAL AGENTS ON CULEX PIPIENS LARVAE.
32  lethal concentration to inhibit 50% of Cooperia spp. egg hatching
(1 time)
Parasitology
(1 time)
AH (1 time)
EHA (1 time)
SEM (1 time)
2015 Elucidation of Leucaena leucocephala anthelmintic-like phytochemicals and the ultrastructural damage generated to eggs of Cooperia spp.
33  Lethal concentration values that kill 50% of the brine shrimps
(1 time)
Health Services Research
(1 time)
BST (1 time)
EC50 (1 time)
2012 Indigenous to Tanzania.
34  lethal concentrations at which 50% of the tadpoles
(1 time)
Chemistry
(1 time)
--- 2008 Effects of diazinon on larvae of the Asian common toad (Bufo melanostictus, Schneider 1799).
35  lethal concentrations capable of killing 50% of the test population
(1 time)
Bacteriology
(1 time)
CFU (1 time)
IPS-78 (1 time)
ITU (1 time)
1991 Formulation of a flowable liquid concentrate of Bacillus thuringiensis serotype H-14 spores and crystals as mosquito larvicide.
36  lethal concentrations causing 50% Drosophila larval mortality
(1 time)
Nutritional Sciences
(1 time)
PG (1 time)
SPP (1 time)
2013 Enhancement of prodigiosin production by Serratia marcescens TKU011 and its insecticidal activity relative to food colorants.
37  lethal concentrations needed to kill 50% of the larvae
(1 time)
Zoology
(1 time)
LT50 (1 time)
2016 Laboratory Evaluation of the Toxicity of Systemic Insecticides to Emerald Ash Borer Larvae.
38  lethal concentrations of 1503 ppm
(1 time)
Biology
(1 time)
DMSO (1 time)
2008 Toxicity of extract of Magonia pubescens (Sapindales: Sapindaceae) St. Hil. to control the brown dog tick, Rhipicephalus sanguineus (Latreille) (Acari: Ixodidae).
39  Lethal concentrations of 50% for BDEO on C. macellaria
(1 time)
Biology
(1 time)
--- 2017 Insecticide activity of Baccharis dracunculifolia essential oil against Cochliomyia macellaria (Diptera: Calliphoridae).
40  lethal concentrations of ivermectin that killed 50
(1 time)
Tropical Medicine
(1 time)
MDA (1 time)
2017 Ivermectin susceptibility, sporontocidal effect, and inhibition of time to re-feed in the Amazonian malaria vector Anopheles darlingi.
41  Lethal concentrations sufficient to kill 50% of insects
(1 time)
Parasitology
(1 time)
--- 1998 Selection of Beauveria bassiana and Metarhizium anisopliae isolates to control Triatoma infestans.
42  lipid weight basis predicted to result in 50% kit mortality
(1 time)
Chemistry
(1 time)
PCBs (1 time)
PCDDs (1 time)
PCDFs (1 time)
2018 Use of polychlorinated biphenyl and toxic equivalent concentrations in scat from mink(Neovison vison) fed fish from the upper Hudson River to predict dietary and hepatic concentrations and health effects.
43  lowest concentration at which 50% of the organisms died
(1 time)
Chemistry
(1 time)
--- 2002 Copper toxicity to larval Mercenaria mercenaria (hard clam).