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248 Infographics of compound-interest
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The Lanthanides
Element Infographics
This graphic looks at the elements known as the lanthanides – the ones stranded at the bottom of the periodic table, along with the actinides. For a group of elements that doesn’t really get much attention in chemistry teaching until at least undergraduate level, their applications are remarkably ...
The Actinides
Element Infographics
The penultimate elements infographic focuses on the Actinides. Many of these elements don’t occur naturally, and are produced synthetically, with some of them existing only for a fraction of a second before they decay back into lighter elements.
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 ...
The Chemistry of Spider Venom
Spider venoms can be grouped into two broad categories: necrotic, and neurotoxic. Necrotic, or cytotoxic venoms, are those which cause cell and tissue damage after envenomation. This can lead to the appearance of inflammation, lesions, and blisters. Neurotoxic venoms, on the other hand, exert ...
The Chemical Compositions of Insect Venoms
Insect venoms are complicated.Really complicated. You could be forgiven for thinking that it must be a relatively simple company of chemicals that makes up the painful sensation of a bee or wasp sting, but in fact a hugely complex mixture of all sorts of compounds – proteins, peptides, enzymes, ...
The Chemistry of Body Odours
Sweat, Halitosis, Flatulence & Cheesy Feet
Halitosis In the majority of cases, the cause of bad breath, or halitosis, is the product of bacteria in the mouth. These bacteria produce waste products, and it’s these chemical compounds that contribute towards halitosis. The phenomenon of ‘coffee breath’ has been linked by the Journal of ...
The Chemistry of The Colours of Blood
Human blood, as well as that of most other vertebrates, is red as a result of haemoglobin, a large protein found in red blood cells which contains iron atoms within its structure. Haemoglobin is what’s known as a respiratory pigment, and it plays a vital role in the body, ferrying oxygen around ...
How Do Hay Fever Medications Work?
The Chemistry of Hay Fever
With the arrival of summer comes a rather less welcome arrival – allergic rhinitis, more commonly known as hay fever. Despitethe pollens of trees, grasses and weeds being the origin of hay fever, it’s a chemical produced in our bodies that’s actually to blame for the symptoms – and we’ve got the ...
