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Independent Professional: Experienced educator and management consultant for engineering educational institutions, researcher, trainer, technical consultant on sustainable technologies, related to cement manufacturing and characterisation, using industrial and agricultural wastes in cement and concrete, durability of concrete and fuel cell power.

Thursday, September 17, 2009

Hundred most promosing global clean trechnology companies

The Guardian and Cleantech Group recently announced the Global Cleantech 100. This is the first ever list of this scale highlighting the most promising private clean technology companies around the world. The Global Cleantech 100 recognizes companies at the forefront of cleantech innovation offering solutions to some of the world’s most pressing environmental challenges. The final list represents the collective opinion of hundreds of leading experts from cleantech innovation and venture capital companies in EMEA, North America, India and China, combined with the specific input of an expert panel of 35, drawn from well-respected organizations such as Altira Group, Crossover Advisors, Deloitte, Emerald Technology Ventures, Google, Kleiner Perkins Caulfield & Byers, New York Stock Exchange, NGEN Partners, Nth Power, New Enterprise Associates, Sterling Communications, Tsing Capital and Vantage Point Venture Partners.

The panel decided on companies that are currently regarded as having the potential and likelihood to achieve high growth and high market impact. Their thoughts were then combined with insights from the Cleantech Network™, the de facto industry association of international clean technology investors, entrepreneurs, large corporations and other industry insiders. Some 3,500 companies were nominated/considered.


Gene therapy for colour blindness

Researchers have used gene therapy to restore colour vision in two adult monkeys that have been unable to distinguish between red and green hues since birth — raising the hope of curing colour blindness and other visual disorders in humans.

About 1 in 12 men lack either the red- or the green-sensitive photoreceptor proteins that are normally present in the colour-sensing cells or cones of the retina and so have red–green colour blindness. If we can target gene expression specifically to cones, in humans, then this has a tremendous implication.

Three human gene therapy trials are currently under way for loss of sight due to serious degeneration of the retina. These phase I safety studies injected a similar type of virus vector (but carrying a different gene) behind the retina as in the monkeys, and people treated have shown no serious adverse effects more than a year after, with some participants reporting marked improvements in vision

References

(1) Mancuso, K.
et al. Nature advanced online publication, doi:10.1038/nature08401 (2009).

(2) Cideciyan, A. V.
et al. N. Engl. J. Med. 361, 725-727 (2009).