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The Chemical Structure of DNA
Today’s post crosses over into the realm of biochemistry, with a look at the chemical structure of DNA, and its role in creating proteins in our cells. Of course, it’s not just in humans that DNA is found – it’s present in the cells of every multicellular life form on Earth. This graphic provides ...
A Rough Guide to the IARC’s Carcinogen Classifications
Today’s big news has been the story that the World Health Organisation (WHO) has classified processed meat (including bacon, ham, and salami) as a Group 1 carcinogen. This places it in the same group as smoking, which has led to a number of headlines claiming that it means the risk from the two ...
The Science of Sunscreen & How it Protects Your Skin
With summer more or less here (stifle those sniggers, English readers), it seemed as good a time as any to examine the chemicals in sunscreen. It’s a product that many of us may take for granted, but you’ve got chemistry to thank for it preventing your skin turning lobster red in the summer sun. ...
Why Does Bacon Smell So Good?
The Aroma of Bacon
When it comes to breakfasts, there are few aromas better than that of bacon, sizzling and crisping in a pan. As part of a brief new series looking at the chemicals behind aromas, this graphic considers the chemicals that lend bacon it’s characteristically mouth-watering scent. Considering that ...
Mass Spectrometry and Interpreting Mass Spectra
For the fourth in the analytical chemistry series, we turn to mass spectrometry. So far, we’ve looked at how chemists can determine the presence of particular bonds present in molecules with infrared spectroscopy, and how they can gain information about the structure of molecules using hydrogen ...
A Brief Overview of Classes of Antibiotics
When we’re suffering from a bacterial infection, a trip to the doctors to be prescribed antibiotics is commonplace.However, there are a wide range of antibiotics available, and they vary both in their usage and their mechanismof action. This graphic summarises the major classes, and also gives ...
The Chemistry of Asthma Inhalers
If you’re an asthma sufferer, you likely need at least one inhaler to keep your symptoms in check – or maybe even two different types. Commonly, those afflicted with asthma will have both a blue and a brown inhaler. Whilst the colours can vary, the purpose of the chemical compounds contained ...
The Chemistry of Decongestants
It’s that time of year where a fair few of us (in the Northern Hemisphere, at least) are probably suffering from a coldof some description. The common symptom, that of a blocked nose, is probably one of the most irritating, but thankfully, nasal decongestants exist to provide relief. But how do ...
Teixobactin - A New Antibiotic
And A New Way to Find More
If you’ve read any science news over the past day or so, you’ll have noticed it’s been dominated by stories about the discovery of a new antibiotic, teixobactin. There’s a reason that the scientific community is so excited by its discovery, but in truth, it’s the method which was used to discover ...
A Summary of Common Vaccine Components
The recentmeasles outbreak in the US has once againprovoked discussionover vaccinations, and why some parents choose not to vaccinate their children despite the benefits of doing so. Whilst not the only factor, part of the blame lies with misinformation about the chemical compositionof ...
