Picture Competition 2013

Ranking of Pictures

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Picture 61

Picture 62

Picture 63

Picture by John Howse
Target filling station

GE cyclotron, target filling station. Production 18F.

Picture by Raquel De Francisco

The amazing dancing floor

A droplet of water bouncing on a superhydrophobic and light-emitting surface. To the left, a static water droplet looks on and wants to mimic it. The latter will become a awesome dancer very soon.

This multifunctional coating, which combines superhydrophobicity and luminiscence, is based on polyfluorene and silica nanoparticles. It has been used to coat glass and celullose supports and maybe the basis for future highly hydrophobic electronics.

Picture by Priyanka Patel

Caffeine–salicylic acid co-crystal

Dissolving caffeine and salicylic acid in acetonitrile and leaving the solution overnight gives this type of co-crystal the next morning.

Picture 64

Picture 65

Picture 66

 Picture by Laura Yates

Water bead 'molymod'

A ‘molymod’ style structure of a fluorocarbon made by using beads of colored water to represent the carbon and fluorine atoms. This has been carried out on a piece of fabric which has been treated with a fluorocarbon rendering it water repellent.

Picture by Tobius Dörr

The crystallization of "syncarpinsäure"

Picture by Mohsen Ahmadi

My synthesized materials, made with minimal facilities!

 Picture 67

Picture 68

Picture 69

Picture by Zahra Nasri

Work on the glutamate dehydrogenase (GDH) enzyme

Picture by Zahra Nasri

My electrochemical cell

Picture by Zahra Nasri

My great experiment (I guess!)

Picture 70

Picture 71

Picture 72

Picture by Johannes Thomé

This picture was taken while a middle school class had their first experience with chemistry. The children had a lot to be astonished about.

Picture by Christoph Göbel

Silica Stalagmite
This stalagmite was formed from silica in cyclohexane. Silica dried when poured into the column resulting in this structure.

Picture by Melanie Schnabel

"Green" Chemistry

Picture 73

Picture 74

Picture 75

Picture by Melanie Schnabel

Violent Violet

An oxidation reaction with potassium permanganate was too violent.

Picture by Melanie Schnabel

Checking the Vacuum

 Picture by Yogeshwar Dubhashe

Thin layer Chromatography (TLC) of Indole.
Here the TLC plate was developed using two different stains: 1) in an iodine chamber, which results in a brown spot on TLC plate. This is due to complexation between iodine and indole. 2) By spraying Ehrlich's reagent which results in a purple spot. This is due to a reaction of Ehrlich's reagent with indole.

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