<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[RSS Feed]]></title><description><![CDATA[RSS Feed]]></description><link>http://direct.ecency.com</link><image><url>http://direct.ecency.com/logo512.png</url><title>RSS Feed</title><link>http://direct.ecency.com</link></image><generator>RSS for Node</generator><lastBuildDate>Wed, 08 Apr 2026 00:16:23 GMT</lastBuildDate><atom:link href="http://direct.ecency.com/@anibalmdz/rss" rel="self" type="application/rss+xml"/><item><title><![CDATA[Espectrometría de masas: Técnica esencial para el análisis químico, principios y utilidad.]]></title><description><![CDATA[Hola de nuevo a toda la comunidad, esta vez tendré la oportunidad de hablarles un poco sobre una técnica espectroscópica que resulta de gran utilidad para la caracterización de compuestos químicos conocidos]]></description><link>http://direct.ecency.com/stem-espanol/@anibalmdz/espectrometria-de-masas-tecnica-esencial-para-el-analisis-quimico-principios-y-utilidad</link><guid isPermaLink="true">http://direct.ecency.com/stem-espanol/@anibalmdz/espectrometria-de-masas-tecnica-esencial-para-el-analisis-quimico-principios-y-utilidad</guid><category><![CDATA[stem-espanol]]></category><dc:creator><![CDATA[anibalmdz]]></dc:creator><pubDate>Mon, 07 May 2018 01:38:42 GMT</pubDate><enclosure url="https://images.ecency.com/p/JvFFVmatwWHVQPjDcGkFxELgGtwNAntRtiqDuEyxyshLV6e3ivAJ9z2B4eCyq1mPhVXLKHdNWwQeeeWWSfkaEuJrc6nX2ponGEoS2Wem95VeRcomeV7bUXfU59xH99MtQv8GoMBB6E?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Applications of photoluminescent semiconductors in biomedicine.]]></title><description><![CDATA[Hello community, this time I have the opportunity to write about a new kind of semiconductor nanomaterials named carbon dots, which has a lot of applications especially in biomedicine. In this post, I]]></description><link>http://direct.ecency.com/steemstem/@anibalmdz/applications-of-photoluminescent-semiconductors-in-biomedicine</link><guid isPermaLink="true">http://direct.ecency.com/steemstem/@anibalmdz/applications-of-photoluminescent-semiconductors-in-biomedicine</guid><category><![CDATA[steemstem]]></category><dc:creator><![CDATA[anibalmdz]]></dc:creator><pubDate>Fri, 30 Mar 2018 06:19:09 GMT</pubDate><enclosure url="https://images.ecency.com/p/HNWT6DgoBc18GVREvvsnAjfLwLF5qHHFduNHKinpwU8bGqjbeYWHkHxYeo2QKNY3eTPvyqcgjBof6e9K1JftVA5WToyigeuhDxKo2hmrGq5YPoA9BeU8Y8J8vhU?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Contaminación por mercurio una problemática mundial.]]></title><description><![CDATA[El cuerpo humano es unas de las obras de arte más impresiónate que la naturaleza ha podido crear. Diversos procesos complejos permiten un funcionamiento eficaz y perfectamente sincronizado de lo que llamamos]]></description><link>http://direct.ecency.com/stem-espanol/@anibalmdz/contaminacion-por-mercurio-una-problematica-mundial</link><guid isPermaLink="true">http://direct.ecency.com/stem-espanol/@anibalmdz/contaminacion-por-mercurio-una-problematica-mundial</guid><category><![CDATA[stem-espanol]]></category><dc:creator><![CDATA[anibalmdz]]></dc:creator><pubDate>Fri, 09 Mar 2018 20:40:00 GMT</pubDate><enclosure url="https://images.ecency.com/p/7b4bio5hobgu85mFpLjsB5bdcQRiiGHJEPFYM5SsgQMwQxX8y8ddruAXyFt7LvxHvzgQfLiCh9UfvtDU3HZUe3EYyzsiC4RWWRTmYvJrE1awgZg5bqq4QtoEffgWkBhhUCjHHkFy8Yng7ExsSHQVubFeNGGE?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[ERROR]]></title><description><![CDATA[..]]></description><link>http://direct.ecency.com/stem-espanol/@anibalmdz/presentacion-para-stem-espanol</link><guid isPermaLink="true">http://direct.ecency.com/stem-espanol/@anibalmdz/presentacion-para-stem-espanol</guid><category><![CDATA[stem-espanol]]></category><dc:creator><![CDATA[anibalmdz]]></dc:creator><pubDate>Mon, 05 Mar 2018 03:31:33 GMT</pubDate></item><item><title><![CDATA[ERROR]]></title><description><![CDATA[..]]></description><link>http://direct.ecency.com/stem-espanol/@anibalmdz/supercondensadores-y-ventajas-de-usar-puntos-de-carbono-en-el-desarrollo-de-los-mismos</link><guid isPermaLink="true">http://direct.ecency.com/stem-espanol/@anibalmdz/supercondensadores-y-ventajas-de-usar-puntos-de-carbono-en-el-desarrollo-de-los-mismos</guid><category><![CDATA[stem-espanol]]></category><dc:creator><![CDATA[anibalmdz]]></dc:creator><pubDate>Mon, 19 Feb 2018 05:54:21 GMT</pubDate></item><item><title><![CDATA[Cianuro una sustancia mortal, química del envenenamiento por cianuro.]]></title><description><![CDATA[Muchos conocemos el cianuro y su fama por ser una sustancia letal especialmente por las películas o novelas donde es usado para realizar asesinatos y en píldoras de suicidio usadas por espías y soldados]]></description><link>http://direct.ecency.com/stem-espanol/@anibalmdz/cianuro-sustancia-mortal-quimica-del-envenenamiento-por-cianuro</link><guid isPermaLink="true">http://direct.ecency.com/stem-espanol/@anibalmdz/cianuro-sustancia-mortal-quimica-del-envenenamiento-por-cianuro</guid><category><![CDATA[stem-espanol]]></category><dc:creator><![CDATA[anibalmdz]]></dc:creator><pubDate>Mon, 12 Feb 2018 05:12:30 GMT</pubDate><enclosure url="https://images.ecency.com/p/2nhMph8Yo3jHyfsfBxm3raDEGrffBkSsHnPoxzrm4TmeY5DoHiS9sHg1Pve1RXEW9asdTGtm3SzxcwEEFtvaLuMPjhf4jRF3iSQTnxyQruM7b2TXc6Xmi9sBK1Eic6ehKkMMJ3xfkYf5Z9eTRSEeFhf2wp7nyEXpZtkQmdPAWVumb6dEYgQ2LLkna?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[ERROR]]></title><description><![CDATA[..]]></description><link>http://direct.ecency.com/stem-espanol/@anibalmdz/puntos-de-carbono-sintesis-y-caracterizacion</link><guid isPermaLink="true">http://direct.ecency.com/stem-espanol/@anibalmdz/puntos-de-carbono-sintesis-y-caracterizacion</guid><category><![CDATA[stem-espanol]]></category><dc:creator><![CDATA[anibalmdz]]></dc:creator><pubDate>Wed, 07 Feb 2018 22:14:06 GMT</pubDate></item><item><title><![CDATA[ERROR]]></title><description><![CDATA[..]]></description><link>http://direct.ecency.com/stem-espanol/@anibalmdz/liquidos-ionicos-como-precursores-de-nanomateriales-semiconductores</link><guid isPermaLink="true">http://direct.ecency.com/stem-espanol/@anibalmdz/liquidos-ionicos-como-precursores-de-nanomateriales-semiconductores</guid><category><![CDATA[stem-espanol]]></category><dc:creator><![CDATA[anibalmdz]]></dc:creator><pubDate>Sat, 03 Feb 2018 15:12:27 GMT</pubDate></item><item><title><![CDATA[Líquidos iónicos, ¿Solventes del futuro?.]]></title><description><![CDATA[Toda reacción química necesita de un medio o soporte para que esta se lleve a cabo. En la mayoría de los casos, esta función la cumplen los solventes orgánicos como el benceno, tolueno, éter, hexano, entre]]></description><link>http://direct.ecency.com/stem-espanol/@anibalmdz/liquidos-ionicos-solventes-del-futuro</link><guid isPermaLink="true">http://direct.ecency.com/stem-espanol/@anibalmdz/liquidos-ionicos-solventes-del-futuro</guid><category><![CDATA[stem-espanol]]></category><dc:creator><![CDATA[anibalmdz]]></dc:creator><pubDate>Tue, 30 Jan 2018 03:22:18 GMT</pubDate><enclosure url="https://images.ecency.com/p/JvFFVmatwWHVQPjDcGkFxELgGtwNAntRtiqDuEyyBxHFg8tqoMEamWbP6dHU1R65nvmxotPHwK6i9Ax7j2ZD8bQAEzdkQdv5fkGMctFRXWjt19CjeaMys9jVYzRK6KCM9FyQ4yEt1L?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Espectroscopia de infrarrojo con transformada de Fourier (FTIR) y utilidad en la elucidación de estructuras orgánicas.]]></title><description><![CDATA[La Interacción de la materia con gran parte del espectro electromagnético es de gran utilidad desde el punto de vista de la química. Debido a que estas interacciones nos permiten determinar propiedades]]></description><link>http://direct.ecency.com/stem-espanol/@anibalmdz/espectroscopia-de-infrarrojo-con-transformada-de-fourier-ftir-y-utilidad-en-la-elucidacion-de-estructuras-organicas</link><guid isPermaLink="true">http://direct.ecency.com/stem-espanol/@anibalmdz/espectroscopia-de-infrarrojo-con-transformada-de-fourier-ftir-y-utilidad-en-la-elucidacion-de-estructuras-organicas</guid><category><![CDATA[stem-espanol]]></category><dc:creator><![CDATA[anibalmdz]]></dc:creator><pubDate>Fri, 26 Jan 2018 01:07:09 GMT</pubDate><enclosure url="https://images.ecency.com/p/TZjG7hXReeVthqpTJZmwvzsLcvMeG4TU4Gjdfy26CsNAmWJX1jHFEvKVK7Yog7y2RcX7tJawJ65C2SGZVwNy5EaDtfFBn6ikHZ3cqFwSgehiz97uVj3duovaw1MNcLQZus1y79rkkvc9Fs?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[¿Cuán peligroso es el monóxido de carbono?]]></title><description><![CDATA[Probablemente muchos de nosotros hemos escuchado casos de personas que han fallecido por envenenamiento o intoxicación debido a la exposición de altos niveles de monóxido de carbono (CO). La mayoría de]]></description><link>http://direct.ecency.com/stem-espanol/@anibalmdz/cuan-peligroso-es-el-monoxido-de-carbono</link><guid isPermaLink="true">http://direct.ecency.com/stem-espanol/@anibalmdz/cuan-peligroso-es-el-monoxido-de-carbono</guid><category><![CDATA[stem-espanol]]></category><dc:creator><![CDATA[anibalmdz]]></dc:creator><pubDate>Mon, 22 Jan 2018 13:46:45 GMT</pubDate><enclosure url="https://images.ecency.com/p/5ShzsKnKF7vqjwxfz8GNQQU7Rv6mDu9Mbhf9eZ573rap4eZANvfjF21PAWDmRHPzh3z4pWJrQRBJLnTg24wWSdGbSyNzEnu8aAL7YRgATEBohQH7e7toCtrzeazRYdhuD8XbT4YYEJFAJD7UbQj2zJmK?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[¿Es peligrosa la radiación de los teléfonos móviles?.]]></title><description><![CDATA[Probablemente la mayoría de nosotros hemos escuchado que mantener el teléfono celular siempre cerca incluyendo mientras duermes puede ser perjudicial para la salud debido a la radiación que estos emiten,]]></description><link>http://direct.ecency.com/stem-espanol/@anibalmdz/255tmf-es-peligrosa-la-radiacion-de-los-telefonos-moviles</link><guid isPermaLink="true">http://direct.ecency.com/stem-espanol/@anibalmdz/255tmf-es-peligrosa-la-radiacion-de-los-telefonos-moviles</guid><category><![CDATA[stem-espanol]]></category><dc:creator><![CDATA[anibalmdz]]></dc:creator><pubDate>Thu, 18 Jan 2018 23:55:18 GMT</pubDate><enclosure url="https://images.ecency.com/p/2r8F9rTBenJR3iqPxDrevHK3vDeQGnHc8Wj8C8neiJMeF7iCbP5XHDpdY4d9LuEafSAM82ycC7wZ7t8ypt41A1FT1wNyi2e6jiXSDiPRRgaFwxvvZtoA2oxWXQfrMgb8J?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Publicación borrada, error.]]></title><description><![CDATA[Publicación borrada, error.]]></description><link>http://direct.ecency.com/stem-spanol/@anibalmdz/es-peligrosa-la-radiacion-de-los-telefonos-moviles</link><guid isPermaLink="true">http://direct.ecency.com/stem-spanol/@anibalmdz/es-peligrosa-la-radiacion-de-los-telefonos-moviles</guid><category><![CDATA[stem-spanol]]></category><dc:creator><![CDATA[anibalmdz]]></dc:creator><pubDate>Thu, 18 Jan 2018 23:29:18 GMT</pubDate></item><item><title><![CDATA[Alkali metals properties, [PART II].]]></title><description><![CDATA[In my previous post I showed you how alkali metals can be identify by flame coloration when they are expose to it. Now i will show you the videos where can be apreciate better the coloration of the flame.]]></description><link>http://direct.ecency.com/steemstem/@anibalmdz/alkali-metals-properties-part-ii</link><guid isPermaLink="true">http://direct.ecency.com/steemstem/@anibalmdz/alkali-metals-properties-part-ii</guid><category><![CDATA[steemstem]]></category><dc:creator><![CDATA[anibalmdz]]></dc:creator><pubDate>Tue, 02 Jan 2018 02:21:06 GMT</pubDate><enclosure url="https://images.ecency.com/p/S5Eokt4BcQdk7EHeT1aYjzebg2hC7hkthT45dva7JWxP4VtQwhoMAjKi24W7THj5b4hVsYS?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Alkali metals properties, [PART I].]]></title><description><![CDATA[Hello, on this post I will show you some experimental results obtained of a laboratory practice made few years ago, which had for objective the study of the alkali metals and their properties. INTRODUCTION.]]></description><link>http://direct.ecency.com/science/@anibalmdz/alkali-metals-properties-part-i</link><guid isPermaLink="true">http://direct.ecency.com/science/@anibalmdz/alkali-metals-properties-part-i</guid><category><![CDATA[science]]></category><dc:creator><![CDATA[anibalmdz]]></dc:creator><pubDate>Mon, 25 Dec 2017 22:33:03 GMT</pubDate><enclosure url="https://images.ecency.com/p/2FFvzA2zeqoVZ5NRzV2o8MyJEzowAL6rjbt8w3dTHqes2onGPxGfdmwkTRgAyCYFoPVKpcRtF82pDpDjRMMpnPVDtXaawwTrPKapZ2AWvNsC3pPWFTFq1T2HKcnhk?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[PHYSICISTS CONFIRM EXPERIMENTALLY THE EXISTENCE OF EXCITONIUM.]]></title><description><![CDATA[A team of reaserches has found a new form of matter the Excitonium. This material is composed of a type of boson, a composite particle that could allow matter to act as a superfluid, a superconductor or]]></description><link>http://direct.ecency.com/steemtem/@anibalmdz/physicists-confirm-experimentally-the-existence-of-excitonium</link><guid isPermaLink="true">http://direct.ecency.com/steemtem/@anibalmdz/physicists-confirm-experimentally-the-existence-of-excitonium</guid><category><![CDATA[steemtem]]></category><dc:creator><![CDATA[anibalmdz]]></dc:creator><pubDate>Sun, 24 Dec 2017 01:25:00 GMT</pubDate><enclosure url="https://images.ecency.com/p/2N61tyyncFaFnNFKLegVvzmsrMAExSDXzsHdqwaiRqXLQUFqWzNSYo2GDf4z2VXT2jLkSmu8ZCyyiV3agZNBzfhV8BFdxNMrC3Z6QT18ppaQPvH27PopnzsRdM8emCjhXYjjyB8iKUFp?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[WIRELESS TRANSMISSION OF ELECTRICAL POWER AN OLD INVENTION.]]></title><description><![CDATA[Hi there, I have been reading some news about diferents devices that now can be charged without cable (cellphones, electric cars, etc) making things better, which is a great invetion who could say it is]]></description><link>http://direct.ecency.com/steemstem/@anibalmdz/wireless-transmission-of-electrical-power-an-old-invention</link><guid isPermaLink="true">http://direct.ecency.com/steemstem/@anibalmdz/wireless-transmission-of-electrical-power-an-old-invention</guid><category><![CDATA[steemstem]]></category><dc:creator><![CDATA[anibalmdz]]></dc:creator><pubDate>Fri, 22 Dec 2017 04:44:18 GMT</pubDate><enclosure url="https://images.ecency.com/p/8SzwQc8j2KJb4ARrxQxCjX4jizub4U5CAK3WwB89vZvMBMyrVnQ3sGc5StHZLM7QmJTGLhr9Saginq1vK5ZJSX3eyANXPmrRqozdKf69wXMSpASP4vS?format=match&amp;mode=fit" length="0" type="false"/></item></channel></rss>