Classic Chemistry Demonstrations: One Hundred Tried and Tested Experiments (Lister, Ted)

Bioequivalence: tried and tested

Two drug products are considered bioequivalent 'if their bio-availabilities ... are similar to such a degree that their effects, with respect to both efficacy and safety, will essentially be the same'. 1 The bioequivalence of two drug products is generally demonstrated through a clinical study in healthy volunteers, the so-called bioequivalence study. If bioequivalence is shown for two drug pro...

SuDS — innovation or a tried and tested practice ?

There are many obstacles to the implementation of sustainable drainage systems (SuDS) in England and Wales as a viable alternative to conventional pipe systems. However, in Scotland these obstacles have been largely overcome and many SuDS schemes have been successfully implemented over the past decade. This paper will review SuDS in Scotland and compare the structure of the water companies nort...

One hundred meters.

To walk 100 meters at 4 kilometers per hour (an average walking pace) takes about 1.5 minutes. What would prevent an oncologist investing this brief time in visiting a patient in the next building? It is not that oncologists as a group are uncaring. I can think of too many examples where the opposite is true. Was he too busy? Was he burned out? Did he feel guilty at having failed to control the...

One hundred years.

One of my earliest memories is of a tall, thin clergyman who arrived late for a meeting as I stood outside the Lodge room as an Entered Apprentice whilst the ceremony of a higher degree was in progress. He was the treasurer of the Lodge and his name was the Reverend Prebendary Charles Waton. He was the Vicar of St Benet Fink, Edmonton and was a Grand Officer. To me, he was a very important maso...

One Hundred Popular Fallacies