Chemistry Blog

Tag Archive: Langmuir

Jan 16


Stephen J. Ebbens Jonathan Howse The current state of the art in nanopropulsion devices was recently reviewed by Ebbens and Howse in an article last Friday.[SoftMatter] A short summary of the nano- systems is presented below with video action shots when I could find them. The Whitesides Catalyst: Pt Fuel: H2O2 Propulsion: Bubble propulsion Terrain: …

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Sep 03

Electroneutrality is dead?

Gerald Pollack That is the highly controversial claim made by Kate Ovchinnikova and Gerald Pollack in Langmuir earlier this year.[Langmuir] Electroneutrality is a guiding principal in electrochemistry and is a method to understanding electrolytic cells (Pt electrodes in dilute aqueous NaCl solutions). It stipulates that any charge imbalance across an electrochemical system is quickly (~ns) …

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Aug 06

Bad Pun Day

When you look into the nanoparticles, the nanoparticles also look into you. Graphic abstract from: Stabilization of Superparamagnetic Iron Oxide Core−Gold Shell Nanoparticles in High Ionic Strength Media Pun From: Play on the famous quote by Friedrich Nietzsche Mitch

Dec 11

Adding colors to SEM images

If I wanted to add colors to SEM pictures how would I do it? Let’s also add the stipulation that I don’t have access to PhotoShop or anything that would cost money. Illegal downloading isn’t an option. This has been on my mind for quite some time, but yesterday I sat down after dinner and …

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