RSC - Advancing the Chemical Sciences


Chemistry World

 

News April 2006


Nanotube

Double-whammy analysis to probe nanotubes

28 April 2006

US chemists and physicists have probed the structure of carbon nanotubes in unprecedented detail


Twisted

New twist for switchable polymers

28 April 2006

Controlling the twist of a polymer backbone has enabled US chemists to tune the polymer's optical and electronic properties.


Dendritic glue

'Sticky trees' glue molecules to proteins

27 April 2006

Researchers have developed a chemical 'glue' that binds molecules to proteins without compromising protein function.


TP53 bound to a short DNA fragment

Arrays learn to multitask

27 April 2006

US researchers have increased the information density of microarrays without further shrinking the dimensions of the spots.


Fluorescent cell

Detecting cancer through fluorescence

27 April 2006

Healthy and cancerous cells lining the oesophagus fluoresce in different ways, report French researchers.


Molecular hydrogen spin states

Enhancing sensitivity in MRI

27 April 2006

An insight into the nuclear spins of hydrogen molecules could lead to sensitivity enhancement in magnetic resonance imaging.


Sir David King

Marriage of science and innovation

26 April 2006

Significant changes to UK government science set-up have been announced, in an attempt to embed science into the Department of Trade and Industry.


Plastic dummy

Plasticiser debate continues

26 April 2006

European commission conclusions on risks posed by phthalate plasticisers have brought mixed reactions.


Device to study cell signalling

Signalling device pinpoints cells

26 April 2006

A device for investigating cell signalling has been invented by researchers from the US.


Switch

Solvent-sensitive switch

26 April 2006

Canadian chemists have used interlocked molecules to create a mechanical switch that is sensitive to its solvent.


Artificial hip

Biocompatible patterned films

26 April 2006

Growing biocompatible implants for surgical applications has become easier than ever before, say a multidisciplinary team of German scientists.


DNA

DNA sequencing reaches the space age

25 April 2006

The smallest ever DNA sequencing device needs just 1 femtomole of DNA.


Porphyrin core

Oxygen-binding polymer for artificial blood

25 April 2006

UK chemists have made a polymer that could be used to make artificial blood.


Acoustic shear wave propagation

An acoustic biosensor

25 April 2006

Chemists in Canada have demonstrated the potential of acoustic waves in the study of protein activity.


Cotton plant

Can cellulose rival petroleum?

25 April 2006

Cellulose is set to become a bio-renewable feed-stock to rival petroleum-based alternatives, according to Shengdong Zhu of Wuhan Institute of Chemical Technology, China.


Bacterial membrane

Putting some backbone into bacterial killers

24 April 2006

Molecules need a bit of backbone in order to punch through bacterial membranes, say US chemists.


Photonic crystal fibres

Photonic crystal fibres for sensing

24 April 2006

Chemists have developed optical sensors by filling the channels of photonic crystal fibres with luminescent materials.


Mechanism of thymidylate synthase

Exploring the mechanism of a thymidylate synthase

24 April 2006

An unexpected discovery could lead to new antibiotics, claim researchers in the US.


Lipid tubes

Lipid tubes go further

24 April 2006

German and Swiss researchers have found a simple method for making very long lipid tubes for use in tailor-made microfluidic networks.


Tears

In the blink of an eye

21 April 2006

There is much more to tears than salty water, report UK chemists. The liquid film that moistens our eyes has a coating similar to a cell membrane.


DNA damage in radiotherapy

Deoxyribose is the weakest link in tumour therapy

21 April 2006

Disintegrating sugars are bringing researchers a step closer to understanding how tumours are destroyed by radiation therapy.


Proton transfer

Proton transfer in proteins

20 April 2006

Scientists in Israel have used computer simulations to understand how protons transfer across the surfaces of proteins.


Catalyst extracted from solution

Phased out: extracting homogeneous catalysts from solution

21 April 2006

US researchers have demonstrated a polymeric catalyst that is easily removed from solution.


Ionic liquid

Deposition in ionic liquids

21 April 2006

Metal deposition in air and water stable ionic liquids will revolutionise electrochemistry, claim scientists in Germany.


Mars

Calcite differences on Mars

20 April 2006

Differential thermal analysis of calcite samples is aiding the hunt for life on Mars.


Nanoparticle

Nanotechnology - friend or foe?

20 April 2006

Australian scientists call for biological and toxicological testing of nanomaterials.


Fuel cell

Symmetrical electricals

20 April 2006

Inorganic chemists have developed a fuel cell that uses the same material for both of its electrodes.


GM crops

Europe strives to allay GM fears

19 April 2006

European plans for 'improving scientific consistency and transparency' on GM crops has prompted a guarded response.


Unsymmetrical molecular heteropolyoxotungstate Keggin cluster

Unsymmetrical architectures yield novel properties

19 April 2006

UK chemists have designed polyoxometalate clusters with unsymmetrical architectures.


Detecting apoptosis

Fluorescent sensor detects dying cells

19 April 2006

A series of molecular probes that could allow doctors to tailor treatments to individual cancer patients has been developed.


Fire testing chair

Taking the heat out of flammability testing

19 April 2006

Chemists are working with fire safety researchers to investigate high throughput techniques for speeding up the testing of fire retardant materials.


Flu virus

Viruses display liquid crystal control

18 April 2006

Researchers in the US have discovered that viruses can control the orientation of liquid crystals


Self-assembly

The science of self-assembly

18 April 2006

Basic kinetics and thermodynamics can unravel the complicated chemical reactions involved in self-assembly processes.


Protein folding

Understanding protein folding

18 April 2006

Scientists in the UK have explained how bacterial proteins assist other proteins to fold.


Fluorescing DNA

FRET detects DNA hybridisation

18 April 2006

South Korean scientists have used fluorescence resonance energy transfer (FRET) to detect DNA hybridisation in a microfluidic channel.


Enzyme active site

Deciphering hydrogen tunnelling in enzymes

14 April 2006

UK researchers have thrown important new light on the phenomenon of hydrogen tunnelling in biological catalysts


Radiotelescope looking for interstellar molecules

Chemists bring alien molecule down to Earth

13 April 2006

US and German chemists have recreated an alien molecule in the laboratory


OLEDs

How many OLEDs does it take to replace a light bulb?

13 April 2006

US scientists have combined fluorescence and phosphorescence to create the most efficient white OLED yet


Nuclear power

Nuclear power to save the planet

12 April 2006

The UK's chief scientific adviser, David King, has reiterated his support for nuclear power


Docetaxel hits its target

Nanotechnology tackles chemotherapy

11 April 2006

US researchers have developed nanoparticles that target chemotherapy drugs directly at tumours.


diver

Brain scans under pressure

10 April 2006

A fledgling project involving chemists and neuroscientists aims to uncover how high pressures affect the brain


Matthew Baker

Teamwork the overall winner

07 April 2006

Matthew Baker, founder of DNA Research Innovations, is winner of the 2006 Chemistry World Entrepreneur of the Year award.


Inkjet printer

Detection on the nanoscale

06 April 2006

Don't throw away that old ink-jet printer just yet, it might be needed to print the transistors for your flat-screen TV.


Discarded fridges

Update: Europe tightens fluorinated gas restrictions

05 April 2006

A furious row has stalled plans for further restrictions on use of fluorinated gases in the European Union.


Switchable liquid crystal lenses

Variable focus at the flick of a switch

05 April 2006

Liquid crystal spectacle lenses focus on near or distant objects at the flick of a switch.


Para-sulfonato-calix[n]arenes

Calixarene chemists develop CJD test

05 April 2006

A diagnostic test to detect the pathogenic prion proteins responsible for BSE and Creutzfeld-Jakob disease is being developed in France.


Carbon storage in the North Sea

EU-wide carbon capture project

04 April 2006

A four-year carbon sequestration project backed by 30 European universities and energy companies will test the viability of CO2 capture.


Peptoid

New tools for biomedicine just a click away

04 April 2006

US chemists have used click chemistry to make molecules that mimic peptides.


Computer

Chemistry-based computers

04 April 2006

Chemists from Israel and China have developed a functionalised electrode that acts as a memory element for encoding and processing information.


Wooden periodic table

IgNobel chemists on tour

03 April 2006

Chemistry featured highly on the 2006 IgNobel tour of the UK, run as part of National Science Week


Mesoporous silica

Four materials for the price of one

03 April 2006

Materials scientists in China have developed a way to make four kinds of porous silica, by tuning the reaction conditions.


DNA

Locating DNA modifications

03 April 2006

Researchers could be closer to understanding how normal cells turn into cancer cells, thanks to a discovery by Japanese scientists.