All articles by Bea Perks – Page 6
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The role of structure in banana mesophases
The relative orientations of carboxyl linkage groups in banana-shaped mesogens have a stronger than expected effect on the phase behaviour of the material.
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Crystallographers widen therapeutic options for asthma
Chemists have used crystallographic analysis to identify a group of molecules they say could provide novel asthma drugs.
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Preparing for a sustainable future
Sustainable production is a global business and products must comply with legislation in several countries. Bea Perks looks at the different approaches in the UK, Japan, China and the US
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19 September 2005: Scaling up quantum dot production
US researchers have raised the possibility of scaling up quantum dot production by developing a cut-price method of synthesis.
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13 September 2005: Nanomechanical analysis tackles the bad hair day
US researchers have developed what they say is a uniquely precise technique for monitoring the effect of different hair treatments.
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17 August 2005: Childhood cancer risk from perinatal pollutant exposure
High exposure to engine exhaust fumes while in the womb or as a baby can increase a child's risk of developing cancer by up to 12 times.
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15 August 2005: Exit pass for T lymphocytes
The passage of immune cells throughout the body is more tightly regulated than previously thought, report two independent research groups.
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8 August 2005: Ban the bomb, leading scientists urge
UK pressure group has used 60th anniversary of Hiroshima bombing to restate call to halt involvement in development and manufacture of nuclear weapons.
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2 August 2005: Less platinum for cheaper fuel cells
A platinum-free electrode that could help reduce the costs of polymer electrolyte fuel cells is being developed in Japan.
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22 July 2005: Doping fears haunt Tour de France
Organisers of the 2005 Tour de France hope that tighter controls and more anti-doping tests will have led to fewer suspensions than in previous years.
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21 July 2005: Focus on chemical sector carbon emissions ignores growing threat elsewhere
Good news on carbon dioxide emissions released today by the UK Chemical Industries Association isn't necessarily good news for the environment.
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NewsAcetone peroxide – ordinary ingredients for an extraordinary explosive
A UK government clamp-down on internet abuse is being rushed through parliament following the apparent ease with which bomb-making instructions can be found.
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19 July 2005: Silicon mimics aromatic carbon compounds
Japanese chemists have made the first full silicon analogue of an aromatic hydrocarbon.
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15 July 2005: Air can be bad for your health
The use of nitrogen instead of compressed air for inflating vehicle tyres can save lives and money, according to latest figures from UK motoring organisation the RAC.
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11 July 2005: Lighting up time for lead
A chemosensor that selectively lights up when it complexes lead is being developed by Korean chemists.
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11 July 2005: Water pollution the natural way
Environmentalists have confirmed high levels of toxic hexavalent chromium in the source of Santa Cruz County's drinking water, echoing the plot of a Hollywood blockbuster.
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8 July 2005: PDT wants to be a millionaire
British celebrities have joined forces to help raise £100 million for research into photodynamic therapy (PDT).
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Learn chemistry, fight malaria
Chemists at British universities are getting children interested in chemistry by asking them to help develop a treatment for malaria.
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6 July 2005: Mass spec ensures crime doesn't pay
Heroin-contaminated banknotes can be identified quickly and cleanly using tandem mass spectrometry, report chemists at the University of Bristol, UK.
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Feature
The modus operandi of a forensic scientist
Jim Fraser has moved from police forensic work to academia. He talks to Bea Perks about the differences between analytical chemistry and forensic science and his plans for UK courses