{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,2]],"date-time":"2026-04-02T09:08:12Z","timestamp":1775120892017,"version":"3.50.1"},"reference-count":40,"publisher":"Editorial CSIC","issue":"746","license":[{"start":{"date-parts":[[2010,12,30]],"date-time":"2010-12-30T00:00:00Z","timestamp":1293667200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arbor"],"abstract":"<jats:p>Los mecanismos de bombeo en microingenier\u00eda aparecieron al principio de la d\u00e9cada de los 90. El principio detr\u00e1s de esto es el de flujo ac\u00fastico. \u00bfHa descubierto la Naturaleza este invento de hace 2.700 millones de a\u00f1os? Algunas cianobacterias marinas de la especie Synechococcus nadan 25 di\u00e1metros por segundo sin ning\u00fan medio visible de propulsi\u00f3n. Especulamos en este art\u00edculo que vibraciones de amplitud de nanoescala del estrato S (una c\u00e1scara cristalina que cubre las membranas exteriores en las cepas m\u00f3viles) y con frecuencias del orden de 0,5-1,5 MHz (y esto es factible por los motores moleculares), podr\u00edan producir velocidades de deslizamiento del fluido, en el exterior de la frontera de la regi\u00f3n Stokes. Dentro de esta capa l\u00edmite (que para nuestra sorpresa resulta ser relativamente ancha) el comportamiento del flujo es rotacional (y en consecuencia, ventajoso desde el punto de vista biol\u00f3gico). Adicionalmente a este supuesto mecanismo que se podria llamar \u201cnadando cantando\u201d, mostramos otros posibles ejemplos biol\u00f3gicos de corrientes ac\u00fasticas. Sir James Lighthill ha sugerido que el flujo ac\u00fastico tambi\u00e9n se da en la c\u00f3clea del o\u00eddo de los mam\u00edferos, y son muy sugerentes los nuevos hallazgos en las c\u00e9lulas ciliadas externas. Otras posibilidades son flujos ac\u00fasticos producidos por vibraciones de las membranas en c\u00e9lulas de levadura, mejorando su qu\u00edmica (\u00a1cerveza y pan!), el contoneo de los gl\u00f3bulos rojos en los tubos capilares y el bombeo de fluido producido por las diatomeas.<\/jats:p>","DOI":"10.3989\/arbor.2010.746n1256","type":"journal-article","created":{"date-parts":[[2011,2,11]],"date-time":"2011-02-11T15:02:46Z","timestamp":1297436566000},"page":"1089-1115","source":"Crossref","is-referenced-by-count":6,"title":["\u00bfFlujo ac\u00fastico, la \u201cpeque\u00f1a invenci\u00f3n\u201d de las cianobacterias?"],"prefix":"10.3989","volume":"186","author":[{"given":"Jair","family":"Koiller","sequence":"first","affiliation":[]},{"given":"Kurt M.","family":"Ehlers","sequence":"additional","affiliation":[]},{"given":"Fabio","family":"Chalub","sequence":"additional","affiliation":[]}],"member":"2373","published-online":{"date-parts":[[2010,12,30]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1038\/378241a0"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1529\/biophysj.105.067041"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.0810583106"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1038\/emboj.2010.144"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1126\/science.1094442"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1128\/MMBR.00043-09"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1126\/science.1137223"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1063\/1.105339"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1038\/sj.emboj.7601594"},{"key":"ref10","first-page":"1504","article-title":"\u201cPhotosynthetic and atmospheric evolution\u201d, (discussion meeting issue)","volume":"363","author":"Nisbet","year":"2008","journal-title":"Proc. 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