Byline: GRAEMEBROWN graeme.brown@birminghampost.net
Groundbreaking research in Birmingham that could revolutionise the diagnosis of Alzheimer's disease has been saved after a PS3.5 million funding deal.
Medical sciences firm Cytox - which is developing a simple blood test which could spot the disease before symptoms appear - collapsed in 2011, delivering a major blow to the city's hopes of becoming a centre for biotechnology.
Now a small army of investors - including one of Britain's richest men - have offered backing to the firm's new bosses, with funding that will ensure work for the next two years and beyond will continue.
Prime Minister David …