RSC - Advancing the Chemical Sciences


Chemistry World

 

News August 2009


Breath Test

Nanoparticle breath test for lung cancer

30 August 2009

A gold nanoparticle sensor can quickly and easily distinguish between the breath of lung cancer patients and healthy individuals


C-H oxidation proves its worth

C-H oxidation proves its worth

30 August 2009

Late stage oxidation strategy passes the test in complex molecule synthesis


Modified bacteria and sugar can help treat bowel disease

A spoonful of sugar helps the medicine go down

28 August 2009

Bacteria activated by the plant sugar xylan produce drugs inside the gut to treat bowel disease


tightly-coiled helical nanostructures

Twist of fate for two-to-one assemblies

28 August 2009

Unique nanospiral structures could be useful for miniaturising optoelectronics


coloured plastic

A colourful way to clean waste

28 August 2009

Dye extraction product recycled as cheap colourant for plastics


The hole in the ozone layer

Nitrous oxide key ozone destroyer

27 August 2009

Nitrous oxide is the single most important ozone depleting substance and emissions must be curbed, say scientists


Molecular structures revealed

Molecules in close-up

27 August 2009

A tuning-fork-like device that measures atomic forces can image every single atom in a molecule, according to its Swiss inventors


More animal testing needed for Reach

Reach costs set to spiral

27 August 2009

The EU's Reach chemicals legislation could use 20 times more animals and cost six times more than originally estimated, say two toxicologists


How does washing with shampoo affect your hair?

CARS speeds up hair analysis

26 August 2009

Researchers have used a quick, non-destructive technique to find out how washing with shampoo products affects human hair


Electric car

Germany plugs electric cars

26 August 2009

Germany ploughs an extra €500 million into electric vehicle R&D in a bid to have a million electric cars on the road by 2020


A kidney on a microfluidic device

Kidney on a chip

26 August 2009

Scientists in Korea are mimicking the conditions kidney cells experience in the body to grow the cells in a microfluidic device


test tube with grains

Essential elements from cereals

26 August 2009

Just how much iron and zinc do you get from your breakfast? Scientists in Denmark have been looking for the answer.


Castor beans

Anti-terror antibodies

26 August 2009

European scientists have developed a method to detect potential biological warfare agents in food


Children being treated for lead poisoning

Heavy metal poisoning sparks protests in China

25 August 2009

Industrial pollution causes lead and cadmium poisoning in China, prompting protests and calls for improved regulation


PhD scandal

PhD bribes scandal hits German universities

25 August 2009

German prosecutors investigate at least 100 cases of professors taking cash bribes to help students obtain PhDs


smile and teeth

Enamel regeneration makes scientists smile

25 August 2009

Chinese researchers are a step closer to being able to regrow tooth enamel in the mouth.


Separating isomers

Separating isomers with electric fields

24 August 2009

New technique uses electric fields at ultracold temperatures to isolate individual conformational isomers from a complex molecule


Delhi High Court

Indian court dismisses Bayer's patent linkage case

24 August 2009

Bayer has failed in its attempt to stop Indian regulators approving a copy-cat version of one of its patented drugs


Protein sensor

'Chemical nose' sensor sniffs blood protein profile

24 August 2009

New sensor system uses gold nanoparticles to detect proteins indicative of disease in human blood serum


Gold-plated nanotube

Gold plating improves nanotube imaging

23 August 2009

Gold-plated nanotubes are effective non-toxic contrast agents for photothermal and photoacoustic imaging


Meteorites

Aluminium helps date solar system

21 August 2009

Aluminium isotope provides new insights into the solar system's formation


Pollution over China

China's emissions to peak early

21 August 2009

New report suggests carbon emissions from China could peak in 2030, decades earlier than previously estimated


plastic from plant oil

Plastic made from castor oil

21 August 2009

New chemical synthesis route yields polyester from biomass


fluorescent read-out

Microfluidics makes its mark

21 August 2009

A one-step microfluidic chip that can detect disease markers in a single drop of blood serum


Nanobox

New nanoboxes take shape

20 August 2009

Tiny cubes fold themselves up in a new way to make patterned 3D structures on the nanoscale


HCV

Testing times: predicting hep C response

20 August 2009

A new genetic test could predict which patients will benefit from treatment, and which will suffer side effects


A miniprotein

Targeting the androgen receptor

20 August 2009

Computer-aided design finds proteins that bind receptor linked to prostate cancer


Breast cancer cells

Antioxidants could promote cancer

19 August 2009

US researchers have shown antioxidants can help tumour cells survive and multiply in the body


China has ploughed money into a drug development programme

China drug scheme funds out of reach

19 August 2009

Funding through China's multi-billion yuan drug development scheme could become harder to come by says programme representative


Gold nanoparticle-antibody conjugate

Gold nanoparticles detect cancer

19 August 2009

Ultrasensitive detection platform uses nanoparticles to measure levels of cancer biomarkers


Ozone reacts with oils in human skin

Ozone reaction with skin causes irritants

18 August 2009

Ozone can react with human skin forming chemicals that irritate the lungs and skin


Guy Bertrand

Interview: Bending the rules

18 August 2009

Guy Bertrand talks to Marie Cote about creating dream compounds, tennis and setting up international labs


DNA shapes

DNA shapes up for nanoelectronic devices

17 August 2009

DNA origami forms pre-defined shapes with new lithography technique, potential uses in next generation computer chips


Getting fluorine into drugs

New method for fluorinating compounds

17 August 2009

Researchers develop an easy, cost-effective way to add fluorine atoms to a variety of compounds used in pharmaceuticals


antibody-coated nanoparticles

Analyte sensing made easy

17 August 2009

Drug abuse detected by antibody-coated nanoparticles


3D molecule on logic gate background

A logical extension

17 August 2009

Scientists have simplified DNA logic gates to detect biomarkers


A blood drop on a thumb and a microfluidic device

Potential for bedside medical diagnostics

17 August 2009

Numerous applications offered by time- and money-saving gadget


Carbon-carbon bond

Catalyst free carbon-carbon bond formation

16 August 2009

Researchers develop a simple, one-pot reaction to create carbon-carbon bonds at a carbonyl group without a metal catalyst


Nanotube-based oxygen sensor

Nanotubes promise ultra-small wearable oxygen sensors

16 August 2009

Tiny personal oxygen sensors could make working in submarines and space shuttles safer


Silver-detecting nanomotors

Nanomotors detect trace silver

14 August 2009

Synthetic nanomotors could be used as detectors for trace levels of contaminants as researchers find they accelerate near silver ions


Acoustic tweezers

Sound waves push particles

14 August 2009

Acoustic tweezers manipulate cells into patterns on a microchip


lab-on-a-chip sensor

Instant insight: Zooming in on sensors

14 August 2009

Seunghun Hong, at Seoul National University, Korea, and colleagues discuss ways to integrate nanowires and nanotubes on chips


Selective MOF

Picky MOF crystals show promise

13 August 2009

Metal-organic frameworks selective for specific organic molecules have been made by US researchers


US Chemical Safety Board

US officials probe hydrogen fluoride incidents

13 August 2009

A spate of toxic gas leaks from US refineries is causing concern the recession may be putting lives at risk


Stretching enzymes could trigger activity

Forcing enzyme activity

13 August 2009

Enzyme activity triggered by stretching with an atomic force microscope


uranium complex

Uranium chemistry: the final frontier

13 August 2009

Scientists have made new uranium compounds for the future of nuclear power


SEM image of nano-object consisting of alumina 'whiskers' topped with polystyrene balls

Exposing nano-objects' molecular make up

12 August 2009

Bombarding with single clusters of gold atoms helps identify nano-objects through molecular structure


Heat map

Revealing the factors behind liver disease

12 August 2009

Array system tests hundreds of conditions to find those that lead to liver damage


Self-cleaning glass

Urban materials trigger air pollution

11 August 2009

Walls and self-cleaning windows could act as reaction sites for pollutant gases in the atmosphere, creating harmful by-products


Viktor Yushchenko suffered TCDD poisoning

Yushchenko poisoning study calls for dioxin tests

11 August 2009

Metabolism of potent TCDD dioxin was unexpected and should be the focus of further study, say researchers


Methane to methanol

New catalyst for methane to methanol

10 August 2009

Solid catalyst could overcome some of the recovery problems associated with homogeneous systems for methanol production from methane


prot.-recog

Stretching for reversible enzyme activation

10 August 2009

Scientists have developed a new kind of nanomaterial that can be chemically turned on and off by mechanical stretching


Ichiro Hirao

Interview: Genetic alphabets

10 August 2009

Ichiro Hirao on nucleic acid research, expanding the genetic code and the possibility of creating new life


Mosquitoes spread malaria

Malaria disaster risk

07 August 2009

Studies question insect repellent safety and suggest the malaria parasite is gaining resistance to a first-line drug


HO-stunt

HP under fire for failing to phase out harmful chemicals

07 August 2009

Greenpeace launches worldwide protest as HP backpedals on commitment to eliminate PVC plastic and BFRs from its products


Science benefits from US stimulus funds

Stimulus funds flow into US science and R&D

07 August 2009

US administration to spend $2.5 billion on next generation batteries and electric vehicles; over $700 million on science


see-saw

Dyes get the green, and red, light

07 August 2009

A seesaw helped scientists to discover dual fluorescent dyes


Organic aerosols in the atmosphere

Organic aerosol mystery solved

06 August 2009

Oxidation of volatile plant-derived molecule in the atmosphere leads to influential aerosol formation


DNA can be formed into all kinds of shapes

Nanoscale tools from DNA origami

06 August 2009

Gaining fine control over DNA structure could lead the way to tiny tools and devices


Amyloid beta peptide

Instant insight: Alzheimer's: untangling the facts

06 August 2009

Cures for Alzheimer's may come from understanding its chemistry. Arvi Rauk examines the disease at the molecular level


Scott Tanner

Interview: Raising the bar

06 August 2009

Scott Tanner on measuring cell biomarkers and Olympic gymnastics. Ben Merison investigates


Methane on Mars

Martian methane breaks the rules

05 August 2009

Variations in methane concentration across Mars defy our current understanding of methane photochemistry, say French scientists


Zipped up

Zipping photovoltaics up straight

05 August 2009

Straightening the backbone of supramolecular self-assembling photovoltaic devices leads to dramatic improvements in device performance


Bhopal

Bhopal returns to haunt former Union Carbide chief

05 August 2009

There have been fresh calls for the former Union Carbide head to face charges in India 25 years after the Bhopal disaster


Vesicles

Cell-sized vesicle assembly line

04 August 2009

Scientists have created a production line that pumps out microspheres that are all the same size and surrounded by a single lipid bilayer


Chemicals sector staying afloat for now

Chemicals sector bumping along the bottom

04 August 2009

While some economic indicators hint the recession may be easing, the chemicals sector is still at rock bottom


Bacteria woven into polymer fibres

Weaving with bacteria

03 August 2009

Fabrics made with living bacteria could be used in self-cleaning clothes or help clean radioactive water


Mutations in a protein could lead to dangerous strains of flu

Computational chemistry predicts flu mutations

03 August 2009

Researchers have used computational chemistry to try to predict which mutations could lead to dangerous new flu strains


Vandalism in the lab

Vandalism strikes US lab

03 August 2009

Former lab assistant arrested for destroying over £300,000 of protein crystals


3D bisphosphonate molecule with radioactive symbol background

Image is everything

03 August 2009

Dual function agents lead to more control over radiopharmaceutical doses for cancer patients