{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,19]],"date-time":"2025-10-19T09:14:17Z","timestamp":1760865257702},"reference-count":6,"publisher":"Springer Science and Business Media LLC","issue":"4825","license":[{"start":{"date-parts":[[1962,4,1]],"date-time":"1962-04-01T00:00:00Z","timestamp":-244684800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nature"],"published-print":{"date-parts":[[1962,4]]},"DOI":"10.1038\/194285a0","type":"journal-article","created":{"date-parts":[[2006,7,5]],"date-time":"2006-07-05T13:07:30Z","timestamp":1152104850000},"page":"285-286","source":"Crossref","is-referenced-by-count":60,"title":["An Improved Method for the Separation and Purification of Chlorophyll a"],"prefix":"10.1038","volume":"194","author":[{"given":"A. F. H.","family":"ANDERSON","sequence":"first","affiliation":[]},{"given":"MELVIN","family":"CALVIN","sequence":"additional","affiliation":[]}],"member":"297","reference":[{"key":"BF194285a0_CR1","doi-asserted-by":"publisher","first-page":"228","DOI":"10.1016\/0003-9861(54)90248-9","volume":"53","author":"EE Jacobs","year":"1954","unstructured":"Jacobs, E. E., Vatter, A. E., and Holt, A. S., Arch. Biochem. Biophys., 53, 228 (1954).","journal-title":"Arch. Biochem. Biophys."},{"key":"BF194285a0_CR2","doi-asserted-by":"publisher","first-page":"679","DOI":"10.1002\/hlca.19590420307","volume":"42","author":"A Stoll","year":"1959","unstructured":"Stoll, A., and Wiedemann, E., Helv. Chimica Acta, 42, 679 (1959).","journal-title":"Helv. Chimica Acta"},{"key":"BF194285a0_CR3","doi-asserted-by":"publisher","first-page":"142","DOI":"10.1007\/978-3-642-64961-5_6","volume-title":"Moderne Methoden der Pflanzenanalyse","author":"JHC Smith","year":"1955","unstructured":"Smith, J. H. C., and Benitez, A., Moderne Methoden der Pflanzenanalyse, edit. by Paech, K., and Tracy, M. V., 4, 142 (Springer, Berlin, 1955)."},{"key":"BF194285a0_CR4","doi-asserted-by":"publisher","first-page":"464","DOI":"10.1016\/0006-3002(54)90002-5","volume":"15","author":"K Shibata","year":"1954","unstructured":"Shibata, K., Benson, A. A., and Calvin, M., Biochim. Biophys. Acta, 15, 464 (1954).","journal-title":"Biochim. Biophys. Acta"},{"key":"BF194285a0_CR5","first-page":"2","volume-title":"Photosynthesis","author":"E Rabinowitch","year":"1956","unstructured":"Rabinowitch, E., Photosynthesis, 2, 2, 1802 (Interscience, New York, 1956)."},{"key":"BF194285a0_CR6","first-page":"218","volume-title":"Comparative Biochemistry of Photoreactive Systems","author":"JM Anderson","year":"1960","unstructured":"Anderson, J. M., Blass, U., and Calvin, M., Comparative Biochemistry of Photoreactive Systems, edit. by Allen, M. B., 218 (Academic Press, New York, 1960)."}],"container-title":["Nature"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/www.nature.com\/articles\/194285a0","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/www.nature.com\/articles\/194285a0.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/www.nature.com\/articles\/194285a0.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,12,1]],"date-time":"2021-12-01T21:29:53Z","timestamp":1638394193000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.nature.com\/articles\/194285a0"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1962,4]]},"references-count":6,"journal-issue":{"issue":"4825","published-print":{"date-parts":[[1962,4]]}},"alternative-id":["BF194285a0"],"URL":"https:\/\/doi.org\/10.1038\/194285a0","relation":{},"ISSN":["0028-0836","1476-4687"],"issn-type":[{"value":"0028-0836","type":"print"},{"value":"1476-4687","type":"electronic"}],"subject":[],"published":{"date-parts":[[1962,4]]}}}