Spitsbergen in 1914: Discussion

Dmd053199 1914..1922

Naturally occurring furanocoumarin compounds psoralen (PRN) and isopsoralen (IPRN) are bioactive constituents found in herbaceous plants. They are widely used as active ingredients in several Chinese herbal medicines. In this study, the CYP1A2 inhibitory potential of PRN and IPRN was investigated in rats in vitro and in vivo as well as in human liver microsomes. Both compounds exhibited reversi...

Max Perutz (1914–2002)

Become a scientist, Ernest Rutherford would urge his friends, for then you will never be old, you will remain all your life a child at play. So it proved for the evergreen Max Perutz, who did his last experiment only weeks before he died at the fine age of eighty-seven. Perutz embraced Noël Coward's dictum that 'work is fun, work is much more fun than fun'. In an eventful life, beset in its ear...

Discussion And Review In Vanet

VANET are becoming active area of research and devel- opment because it has potential to increase road safety, convenience and comfort to drivers & passengers. A Lot of research work on VANET have done in area of Quali- ty of Service (QoS), routing and security. These concepts relate the facing challenges for technology in VANET. We present a overview of challenges in VANET. Firstly ,we have di...

An Arctic char observed in a glacial Spitsbergen river

An anadromous Arctic char (male) was recorded in southwestern Spitsbergen, in a very muddy glacial river, in August 2008. This is apparently the first specimen of this species observed in such an unfavourable habitat in Svalbard. Arctic char (Salvelinus alpinus), the only freshwater native fish in Svalbard, is rather common (occurring in more than 100 lakes and watercourses) and is differentiat...

Methanogenic archaea in Arctic soils from Spitsbergen, Norway (78°N)