All Feature articles – Page 28
-
FeatureDrugs for dementia
About 10 per cent of men and women over 65, and nearly half of those over 80, have Alzheimer's disease
-
FeatureMolecular computers - tomorrow's technology?
As the miniaturisation of silicon chips fast approaches its limit chemists are copying Nature in attempt to build computers atom by atom, molecule by molecule
-
FeatureInvestigating activation energies
A challenge for post-16 students to investigate the activation energies of the enzyme-catalysed and the inorganic-catalysed decomposition of hydrogen peroxide
-
FeatureGlass bones
'Bioactive' ceramic and glass alternatives could improve the quality of life for millions of people suffering from osteoporosis
-
FeatureNatural products - back in vogue
Chemists are once again turning to Nature to replenish the medicine chest
-
FeatureApplied science: on course
Applied science has a key role in the 14-16 curriculum, and its popularity is growing
-
FeatureAncient coins
Chemistry has played its part in numismatics - in the manufacture, analysis, aesthetics and conservation of coinage
-
FeatureMaking the most of starch
With some clever chemistry starch represents an enormous and sustainable source of renewable carbon for non-food applications.
-
FeatureChapattis and the English disease
In the early 1700s in England 'nothing was so much feared or talk'd of as Rickets among Children'. We now know that this softening of the bones, is caused by a deficiency of vitamin D.
-
FeatureA forgotten anniversary?
Has the significance of William Henry Perkin's synthesis of the purple dye mauveine begun to fade?
-
-
FeatureBiting insects - a challenge for chemists
In many parts of the world biting insects are major disease vectors, being the source of malaria and yellow fever for example, though in the UK they are mainly just a nuisance
-
FeatureArtemisinin and a new generation of antimalarial drugs
Every year between one and two million people - mainly children - living in the tropics and subtropics die of malaria.
-
FeatureAmadeo Avogadro 1776-1856
This year marks the 150th anniversary of the death of the Italian chemical physicist, Amedeo Avogadro.
-
FeatureSpicing up Chemistry
Spices have been used in cooking since Roman times, and were believed to be important as antiparasitic agents and as gastrointestinal protectants in the diet
-
FeaturePioneering women chemists of Bedford College
In the early part of the 20th century, a few institutions seemed to have been havens for women interested in chemistry.
-
FeatureTitan - a museum of the Earth's atmosphere
Titan, the largest moon of the planet Saturn, has an atmosphere that is predominantly nitrogen with a small amount of carbon present in the form of methane and higher hydrocarbons.
-
FeatureChlorpromazine - unlocks the asylum
The history of pharmaceuticals is enriched by accounts of drugs developed for one therapeutic purpose that found application in another. This is true for chlorpromazine, a treatment for severe mental illness
-
FeatureIn the steps of Markovnikov
The addition reactions of HCl and HBr to propene to give either 2-chloropropane or 2-bromopropane are often given as examples of Markovnikov's Rule, but in his original 1870 paper, Markovnikov used HI and not HBr or HCl.
-
FeatureThe carbon dioxide problem
Measuring carbon dioxide from plant debris provides an opportunity for an inquiry-based experiment aimed at 14-15 year olds. Similar experiments are done by soil scientists and ecologists in their efforts to understand the global carbon cycle