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===Results===
===Results===
In his original paper, Miller was able to identify glycine, α-alanine and β-alanine while Aspartic acid and α-aminobutyric acid were less certain.<ref name="Miller1953">Stanley Miller. 1953. "[https://web.archive.org/web/20120317062622/http://www.abenteuer-universum.de/pdf/miller_1953.pdf Production of Amino Acids Under Possible Primitive Earth Conditions]". Science. 117 (3046): 528–9.</ref> Miller also stated "it is estimated that the total yield of amino acids was in the milligram range" which means that very little even material formed after a week of continuous running of the experiment non-stop.<ref name="Miller1953" />
In his original paper, Miller was able to identify some amino acids glycine, α-alanine and β-alanine while Aspartic acid and α-aminobutyric acid were less certain.<ref name="Miller1953">Stanley Miller. 1953. "[https://web.archive.org/web/20120317062622/http://www.abenteuer-universum.de/pdf/miller_1953.pdf Production of Amino Acids Under Possible Primitive Earth Conditions]". Science. 117 (3046): 528–9.</ref> Miller also stated "it is estimated that the total yield of amino acids was in the milligram range" which means that very little even material formed after a week of continuous running of the experiment non-stop.<ref name="Miller1953" />
===Re-analysis of samples and other discharge experiments===
Miller had performed other experiments between 1952-1954 using two other apparatuses. A few vials of the samples he made were found in the 2000s and analyzed using modern techniques that have more sensitivity.
{| class="wikitable" style="text-align:left"
|+
|-
! Amino Acid !! Miller-Urey Experiment 1950 !! Bada 2013 Re-evaluation of samples
|-
| glycine || Detected || TBD
|-
| α-alanine || Detected || TBD
|-
| β-alanine || Detected || TBD
|-
| Aspartic acid || Unsure but possible || TBD
|-
| α-aminobutyric acid || Unsure but possible || TBD
|}
==See also==
==See also==
*[[Origin of life]]
*[[Origin of life]]