Miller–Urey experiment

E204366

The Miller–Urey experiment was a landmark 1952 study that simulated early Earth conditions to demonstrate that organic molecules essential for life could form spontaneously from simple inorganic precursors.

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Predicate Object
instanceOf origin of life experiment
prebiotic chemistry experiment
scientific experiment
aim to test the Oparin–Haldane hypothesis of chemical evolution
basedOn assumed reducing early Earth atmosphere
citedIn biology textbooks
chemistry textbooks
conductedBy Harold Urey
Stanley Miller
country United States of America
surface form: United States
criticizedFor using an overly reducing atmospheric composition
demonstrated abiotic synthesis of organic molecules
amino acids can form under simulated early Earth conditions
organic molecules can form from inorganic precursors
duration about one week
field chemistry
origin of life studies
prebiotic chemistry
followedBy later prebiotic synthesis experiments
subsequent Miller experiments with different gas mixtures
hasAlternativeName Miller–Urey experiment
surface form: Urey–Miller experiment
hypothesisTested Haldane–Oparin hypothesis of the origin of life
surface form: Oparin–Haldane hypothesis
influenced origin of life research
prebiotic chemistry models
location University of Chicago
notableAs landmark experiment in origin of life studies
produced alanine
aspartic acid
glycine
other simple organic compounds
publicationDate 1953
relatedTo abiogenesis
chemical evolution
primordial soup theory
result formation of amino acids
simulated early Earth atmosphere
prebiotic Earth conditions
startTime 1952
used ammonia
boiling water flask
closed glass apparatus
condenser
electric discharges
hydrogen gas
methane
spark chamber
water

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Referenced by (7)

Full triples — surface form annotated when it differs from this entity's canonical label.

Harold Urey knownFor Miller–Urey experiment
Harold Urey coAuthorOf Miller–Urey experiment
this entity surface form: Miller–Urey experiment paper
Urey contributedTo Miller–Urey experiment
subject surface form: Harold Urey
Miller–Urey experiment hasAlternativeName Miller–Urey experiment
this entity surface form: Urey–Miller experiment
Stanley Miller notableFor Miller–Urey experiment
Stanley Miller conducted Miller–Urey experiment