Genetibase - Software for your Scientific Success

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Recrystallization Recrystallization takes patience, but it’s worth it! This video walks you through the procedure, from solubility tests to cold filtration, with information on one-solvent and two-solvent recrystallizations. View the complete course: ocw.mit.edu License: Creative Commons BY-NC-SA More information at ocw.mit.edu More courses at ocw.mit.edu

Carl Sagan discusses what the chemistry of life would be like on other planets; he also discusses the chemistry of life on Earth. This clip is from Carl Sagan’s Cosmos episode 5, “Blues for a Red Planet.”

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Please see www.molsoft.com for more information or www.molsoft.com/gui for additional tutorials and help.

A demonstration of several distillation techniques (simple distillation, fractional distillation and steam distillation) used in Organic Chemistry labs. Demonstrations conducted by: Dr. Scott Allen Assistant Professor, Chemistry/Physics, University of Tampa Directed by: Gordon mcclelland Computing and Information Services, Vassar College Produced by: Cristian Opazo Academic Computing Services, Vassar College Production Assistants: Ken Bolton and Steve Taylor Academic Computing Services, Vassar College Post-production by: Becca Marcus Vassar College, class of 2008 and John Santos Vassar College, class of 2007 Thanks to Ed Wroblewski, Film Department, Vassar College Copyright © 2007, 2008 by Vassar College. Do not reproduce, download or edit without permission.

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The Professor delivers his verdict and “dog toy” explanation of this year’s Nobel Prize winning research.

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Aired January 21, 2010 on BBC Four (Episode 1/3) – Play all videos: bit.ly – The explosive story of chemistry is the story of the building blocks that make up our entire world – the elements. From fiery phosphorous to the pure untarnished lustre of gold and the dazzle of violent, violet potassium, everything is made of elements – the earth we walk on, the air we breathe, even us. Yet for centuries this world was largely unknown, and completely misunderstood. In this three-part series, professor of theoretical physics Jim Al-Khalili traces the extraordinary story of how the elements were discovered and mapped. He follows in the footsteps of the pioneers who cracked their secrets and created a new science, propelling us into the modern age. Just 92 elements made up the world, but the belief that were only four – earth, fire, air and water – persisted until the 19th Century. Professor Al-Khalili retraces the footsteps of the alchemists who first began to question the notion of the elements in their search for the secret of everlasting life. He reveals the red herrings and rivalries which dogged scientific progress, and explores how new approaches to splitting matter brought us both remarkable elements and the new science of chemistry. via www.atheistmedia.com -

General Chemistry

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A demonstration of the technique of recrystallization used in Organic Chemistry labs. Demonstrations conducted by: Dr. Scott Allen Assistant Professor, Chemistry/Physics, University of Tampa Directed by: Gordon mcclelland Computing and Information Services, Vassar College Produced by: Cristian Opazo Academic Computing Services, Vassar College Production Assistants: Ken Bolton and Steve Taylor Academic Computing Services, Vassar College Post-production by: Becca Marcus Vassar College, class of 2008 and John Santos Vassar College, class of 2007 Thanks to Ed Wroblewski, Film Department, Vassar College Copyright © 2007, 2008 by Vassar College. Do not reproduce, download or edit without permission.

Traditional lab tests for disease diagnosis can be too expensive and cumbersome for the regions most in need. George Whitesides’ ingenious answer, at TEDxBoston, is a foolproof tool that can be manufactured at virtually zero cost.

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TLC – The Basics Thin-layer chromatography is the most commonly used analytical technique in many research labs. This video walks you through every step, from setting up a developing chamber to calculating Rf values. View the complete course: ocw.mit.edu License: Creative Commons BY-NC-SA More information at ocw.mit.edu More courses at ocw.mit.edu

General Chemistry

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Column Chromatography It takes considerable practice to master the art of “running a column”. This video will get you started, with tips on picking appropriate conditions, packing and running a column, monitoring separation, and even making a micro-column from a pipet. View the complete course: ocw.mit.edu License: Creative Commons BY-NC-SA More information at ocw.mit.edu More courses at ocw.mit.edu