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" />
+
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 material formed after a week of continuously running of the experiment non-stop.<ref name="Miller1953" />
===Re-analysis of samples and other discharge experiments===
===Re-analysis of samples and other discharge experiments===