Tag: chemistry

Everyday Chemicals – Hydrogen Peroxide

Hydrogen Peroxide: Hair Dye, Glow Sticks & Rocket Fuels

Everyday Chemicals – Hydrogen Peroxide
Click to enlarge

It’s been a while since the last update to the Everyday Chemicals series – this latest graphic looks at hydrogen peroxide. Everyone’s familiar with the term ‘peroxide blonde’, stemming from the use of hydrogen peroxide in hair dyes, but this accounts for just one of the compound’s many uses; it’s also found in several other products you come across on a regular basis, and even in some rocket fuels.

Read more
Brief Guide to Common Painkillers [2018]

A Brief Guide to Common Painkillers

Brief Guide to Common Painkillers [2018]
Click to enlarge
Following on from the previous post on antibiotics, it seemed logical to also take a look at the drugs we take to relieve pain. Painkilling drugs, or analgesics, come in a number of forms, but fall broadly into two main classes: non-steroid anti-inflammatory drugs (NSAIDs) and opioids. This graphic takes a look at a selection of common painkillers, their common brand names, and how they work. The mechanism of action is in many cases not fully understood, but we have a broad idea of how the two classes exert their effects.

Read more
20 Common Amino Acids

A Brief Guide to the Twenty Common Amino Acids

20 Common Amino Acids v3
click to enlarge

The proteins that make up living organisms are huge molecules, but they’re composed of 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 linked combination of these amino acids – this graphic shows the structure of each, as well as giving a little information on the notation used to represent them.

Read more
Benzene Derivatives in Organic Chemistry

Benzene Derivatives in Organic Chemistry

Benzene Derivatives in Organic Chemistry
Click to enlarge

Benzene is a hugely important compound in organic chemistry. It consists of six carbon atoms joined together in a ring, with a hydrogen atom bonded to each carbon; by replacing one or more of these hydrogens with a functional group, a large number of different compounds can be formed. This graphic looks at a selection of the most common simple derivatives which can be obtained in this manner.

Read more
Undeserved Reputations - MSG

Monosodium Glutamate – An Undeserved Reputation?

Undeserved Reputation - Monosodium Glutamate
click to enlarge

Monosodium glutamate, or MSG for short, has long been the villain of the food supplement world. In the UK, Chinese takeaways proudly display ‘No MSG’ signs beside their counters, and many websites will purport to tell you ‘the truth about MSG’. Numerous studies have been carried out examining the effects of MSG, but with all the conflicting information, it can be hard for consumers to know who to believe.

Read more