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sábado, octubre 5, 2024
InicioHemerotecaPreservativos del futuro

Preservativos del futuro

Un 18% de los jóvenes ha sufrido la rotura de un condón, al 13% se le ha deslizado durante su uso y un 17 % ha perdido la erección al colocárselo. Además, casi todos asocian su uso con relaciones sexuales menos placenteras. Desde que se inventaron en 1855 (con caucho) y empezaron a fabricarse con látex en los años 20, los preservativos han evolucionado más bien poco. En 2013, la Fundación Bill y Melinda Gates lanzó un concurso de ideas para reinventarlo. Se presentaron 800 conceptos, y dos se llevaron el primer premio, dotado con 100.000 dólares.

Una de las iniciativas, y que sigue en desarrollo, consiste en incorporar grafeno a las gomas de látex, tal y como proponen desde la compañía india HLL Lifecare. Este material de carbono puro, con un solo átomo de espesor, incrementará la resistencia y las propiedades mecánicas de los condones de segunda generación. Al fin y al cabo, es doscientas veces más fuerte que el acero, pero enormemente flexible y elástico. Con la ventaja añadida de que conduce el calor mejor que el cobre, por lo que mejorará notablemente las sensaciones durante el coito. Y además, incorporaría sustancias espermicidas o antimicrobianas com el fin de reforzar su seguridad frente a infecciones o embarazos no deseados.

HLL Lifecare, dirigido por Lakshminarayanan Ragupathy, trabaja en un prototipo de preservativo biodegradable, sin olor y compatible con los fármacos preventivos. Actualmente, algunos consumidores concienciados con la protección del medioambiente optan por condones hechos con piel de cordero, pero resultan bastante caros.

El segundo proyecto financiado por la Fundación Bill y Melinda Gates apuesta por otro “material-milagro”: el polietileno. Como ha explicado a la agencia Sinc Ron Frezieres, director del centro Essential Access Health (en California) e impulsor del proyecto, el polietileno es “transparente, inodoro e hipoalergénico, cinco veces más delgado que el látex y notablemente más fuerte”.

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