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The Chemistry of Oral Contraceptives
You may have read in the news over the past few days about the passing of Carl Djerassi, the chemist (and later, novelist) who is best known for his discovery of the first oral contraceptive. Thisdiscovery led to something of a social revolution, putting the power of contraception firmly in the ...
A Brief Guide to the Twenty Common Amino Acids
The proteins that make up living organisms are huge molecules, but they’re composedof tinier building blocks, known as amino acids. There are over 500 amino acids found in nature, yet, of these, the human genetic code only directly codes for 20. Every protein in your body is made up of some ...
Chemical Structures of Neurotransmitters
A bit of a chemistry/biology tie in today with a series of posters looking at the chemical structures of some of the main neurotransmitters in the brain. I’ve also included a little information on the main effects and roles of each underneath the structures – however, I’d hasten to add that, ...
The Chemistry of Cocktail Spherification
Science Hits the Bar
Here’s the second in the series of graphics I’ve produced for my Pint of Science event at La Raza Cambridge (UK) in a few weeks’ time. Today’s graphic looks at how chemistry can help to make caviar and spheres in cocktails, and the chemical agents used to do it.
The Chemistry of Cocktail Gelification
Science Hits the Bar
Making jelly is something a large number of us have probably done before – however, making it from cocktails is much more fun! To do it, all you need is a gelling agent, heat, and a fridge. There are a number of gelling agents you can use, and which you plump for will depend on the properties you ...
Functional Groups in Organic Compounds
A functional group in chemistry is the part of the molecule that gives it its particular reactivity; simple molecules that contain the same functional group in their structure can be expected to react in similar ways. More complicated chemical molecules may contain more than one functional group ...
Organic Chemistry Reaction Map
This graphic looks at simple interconversions between common functional groups in organic chemistry. I’m not going to pretend it’s comprehensive, because it certainly isn’t, being primarily aimed at A Level students; to the best of my knowledge, all of the information contained within it is ...
A Brief Guide to Types of Organic Chemistry Formulae
Back to basics with today’s graphic, with a look at the different ways compounds in organic chemistry can be represented. Obviously, if you’re a chemist, these will all be second nature, but as was quite fairly pointed out with regards to the food chemistry graphics, if you’re not well versed in ...
Aromatic Chemistry Reactions Map
Here’s a reaction map looking at reactions that allow you to vary the substituents on a benzene ring. This was a far larger undertaking than expected; the bulk of the work on the organic reaction map was done in the space of a day, whereas this one is probably pushing towards three days – suffice ...
A Brief Guide to Types of Isomerism in Organic Chemistry
In organic chemistry, isomers are molecules with the same molecular formula (i.e. the same number of atoms of each element), but different structural or spatial arrangements of the atoms within the molecule.The reason there are such a colossal number of organic compounds – more than 10 million – ...
