RSC - Advancing the Chemical Sciences


Chemistry World

 

News February 2006


Polymer with magnetic shape memory

Magnetic appeal of shape-change polymer

28 February 2006

German polymer scientists have developed polymers that change shape in response to a magnetic field.


Do enzymes sleep and work?

Single-enzyme studies provide a clearer picture of catalytic activity

28 February 2006

Advances in single molecule techniques could revolutionise the study of enzymes.


Catalyst for selective oxidation of alkanes

Advances in catalyst development

28 February 2006

Insight into importance of ligand geometry on catalytic performance could boost the alkane oxidation industry, report researchers in the UK.


Reactalight spectacles

Reversible optical sensing

27 February 2006

The colour change reaction that darkens Reactolite glasses has been applied to optically sensing amino acids and metals by chemists in Ireland.


carbon monoxide trimer

Future applications for CO blue-skies surprise

27 February 2006

A catalytic system to turn carbon monoxide into fine-chemicals feedstocks could be developed within months.


RNA folding

A DNA switch for RNA folding

27 February 2006

US researchers have equipped a large RNA domain with a DNA switch, which they say can fold or unfold the RNA molecule at will.


Molecular lego

Building biocatalysts with molecular Lego

27 February 2006

A better biocatalyst for the hydroxylation of phenols has been built with molecular Lego.


Multistream laminar flow

Monitoring protein expression in fruit flies

27 February 2006

The impact of temperature on protein expression in fruit flies can now be studied using a microfluidic device thanks to chemists from the US.


Wikipedia

Information free-for-all

24 February 2006

Could the online encyclopaedia Wikipedia could become the main source of chemical information in 5-10 years?


Gene delivery with dendrimers

Gene delivery with dendrimers

24 February 2006

Dendritic molecules developed as gene carriers show potential for cancer therapy.


Tracing weapons of mass destruction

Detecting banned chemical warfare agents

24 February 2006

Banned chemical warfare agents can now be detected at levels below current detection limits, claim researchers in the US.


Ski jump

Mind-altering drugs at the Olympics

23 February 2006

Psychological effects of outlawed performance-enhancing sports drug.


Bananas

Following the ripening of bananas

23 February 2006

A technique developed to study the sugar conversion process during fruit ripening could inform the design of polysaccharide processing methods.


Chemical industry

EU chemical regulation could save ?150 billion in environment and health costs

22 February 2006

The European Commission has published estimates of the financial benefits of Reach.


Sunbathers

Update: Europe gets hot and bothered over sun cream labelling

22 February 2006

EU ministers agree that rules on exposure to solar radiation should be left to national governments.


Cinchona

Enzyme-like catalyst for organic reactions

22 February 2006

Amino acid derivatives found in numerous potent bioactive substances can be made in a single step, report researchers in the UK.


RNAi screening

Probes reveal cell biology

22 February 2006

Two emerging techniques reveal the mechanisms of cellular processes


bacteriophage M13

Nanotechnologists set viruses to work

21 February 2006

Viruses employed as construction workers to help build lithium-ion batteries and solar cells.


Anticancer macrocycles

Ringing the changes to combat cancer

21 February 2006

A new class of targeted anticancer drugs could soon be developed based on cyclic macromolecules that selectively bind four stranded DNA structures.


Stable hydrophobic coatings

Hydrophobic coatings with atmospheric plasma

21 February 2006

Chemical engineers have developed a practical atmospheric plasma treatment process for depositing stable hydrophobic coatings on a range of materials.


fish

Dietary needs outweigh risks associated with fish consumption

20 February 2006

The benefits of a diet rich in fish outweigh possible risks of mercury poisoning.


Amazon rainforest

Lessons for carbon negative fuel production in the Amazon

20 February 2006

Dark, nutrient rich, Amazonian soil could hold the key to reducing carbon emissions.


Paint damage from car accident

Tracing elements to find hit-and-run vehicles

20 February 2006

An improved spectroscopic method for the forensic analysis of car paint fragments has been demonstrated by analytical chemists from Belgium and Switzerland.


Tapping rubber

Alternative source of rubber

20 February 2006

An alternative commercial source of high quality rubber has been uncovered by researchers in Canada.


Protein detection

Chip technology for protein detection

20 February 2006

A microarray system that can be used to detect and analyse proteins has been developed by researchers in Japan.


Cisplatin crystals

Designing liposomes to avoid chemotherapy side effects

17 February 2006

The side effects of a common chemotherapy agent can be overcome if the molecule is encapsulated in a finely tuned liposome.


Eel

The fate of cadmium in fish

17 February 2006

The response of fish and eels to cadmium in water will open up the possibility of tracing toxic and essential elements in humans, say scientists in Spain.


Green solvent !

Surprise discovery that ionic liquids can be distilled

16 February 2006

Green solvents are easier to recycle now that ionic liquids turn out to be volatile and can be distilled.


Microfluidic hydrogen-air fuel cell

Exceptionally stable microfluidic power

16 February 2006

Chemists in America have developed a microfluidic hydrogen-air fuel cell that provides a stable power output for one hundred days.


Arizona desert

Pharmaceutical promise in the desert

15 February 2006

Two molecules that inhibit a protein linked to cancer pathogenesis have been discovered in the Arizona desert.


L-enantiomer of immucillin-H against leukemia

Unnatural sugar enantiomers join fight against disease

15 February 2006

Additional pharmaceutical products could be developed thanks to research into the enzyme inhibition activities of drug isomers.


Quantum dot composites

A bright future for photodynamic therapy?

15 February 2006

Chemists in Taiwan have made quantum dots attached to iridium complexes that have potential in cancer treatment.


Curry

Cooking can create harmful indoor pollution

15 February 2006

Claims of serious risks associated with Malay, Chinese and Indian cooking methods present worrying news for budding chefs.


Fruit and veg

Remarkable health claims leave nutritionist unimpressed

14 February 2006

Nutritionists warn against exaggeration of preliminary food-related findings.


Collagen triple helix

Successful collagen synthesis comes to a sticky end

14 February 2006

US chemists have synthesised collagen fibres with dimensions similar to natural collagen, predicting the advent of 'bionic man'.


Podophyllum peltatum

Understanding lignan synthesis

14 February 2006

Researchers in the US are closer to understanding the synthesis of plant-derived compounds with antiviral and anticancer properties.


Hydrogen refuelling

Storing up high hopes for hydrogen economy

13 February 2006

Polymer scientists have joined the race to store hydrogen as fuel.


Apoptosis

Nanoparticles detect cell suicide plans

13 February 2006

Nanotechnological assay for detecting programmed cell death.


Detecting peroxide explosives

Breakthrough in trace detection of peroxide explosives

13 February 2006

US researchers have developed a quick and sensitive method that could soon be used at airports around the world for detecting peroxide explosives on ordinary surfaces.


Quantum dots for imaging

Medical future for tiny quantum dots

10 February 2006

US researchers have crossed a milestone in biological imaging by developing quantum dots small enough to pass from the blood stream into bodily tissue.


Fluorescent probe

Molecular imaging with red light

10 February 2006

Red light activated fluorescent probes for biological imaging overcome drawbacks of current green or blue light probes.


Receptor selective for ion-pair binding

Novel receptor for ion-pairs

10 February 2006

Molecular machines get a boost from a receptor that mimics logic gates by binding to both positive and negative ions.


Silicon wafer

Silicon conducts an electrical surprise

09 February 2006

Silicon can conduct electricity when experts assumed it couldn't, sparking a surprising direction in silicon electronics.


Carbon storage in the North Sea

Calls for UK investment in carbon capture

09 February 2006

The UK government must invest immediately in carbon capture and storage technologies to meet carbon emissions targets.


Cancer cells

Sialyl transferase inhibition could help treat cancer

09 February 2006

The development of a new type of cell-permeable sialyltransferase inhibitor could lead to new approaches in cancer treatment.


Metal hydride superconducting material

Superconductivity by design?

09 February 2006

Predictive computational methods can reveal the potential superconducting properties of hypothetical complexes, claim researchers in the US.


Cell-based microchip pumping system

Microfluidic devices with heart

09 February 2006

Japanese researchers have harnessed the pumping power of heart cells to make better microfluidic devices.


Chemical space

To boldly go where no chemist has gone before

08 February 2006

Studying the interactions between different molecular fragments is taking researchers to the uncharted regions of chemical space.


Bubbles in a wet foam

Crystal structures of bubbles

08 February 2006

Researchers have used household detergent to create, for the first time, arrays of bubbles that mirror the atomic arrays found in crystals.


Sunbathers

Europe gets hot and bothered over sun cream labelling

07 February 2006

Europe's cosmetics industry is launching a counter-offensive against demands for tougher regulation on sun creams.


Chickens

Plant-derived drug approved in US

07 February 2006

First US regulatory approval for plant-derived drug developed by Dow AgroSciences.


Zipper

New steroid forms molecular zipper

07 February 2006

Naturally occurring steroid that acts as a supramolecular zipper could have potential as a new anticancer drug.


Detecting fluoride

Fluoride detection with the naked eye

07 February 2006

An effective sensor for the visual detection of fluoride in water has been developed by chemists in China.


New antibiotics from chlorinated natural products

New antibiotics from chlorinated natural products

07 February 2006

Understanding the enzymatic chlorination of aromatic and aliphatic biomolecules could lead to new antibiotics says a microbiologist from Ireland.


Hydrazide complex offers semiconductor hope

Hydrazide complex offers semiconductor hope

06 February 2006

New and improved semiconductor materials could be on the horizon thanks to a breakthrough in organozinc complex synthesis.


Solar panel

Head-to-tail monomers improve solar cell efficiency

06 February 2006

British and South Korean researchers have improved the efficiency of polymer-based solar cells.


Discarded fridges

Europe tightens fluorinated gas restrictions

03 February 2006

EU environment commissioner threatens tougher controls on fluorinated gases implicated in global warming.


Aggregation of gold nanoparticles

High throughput screening for kinase inhibitors

03 February 2006

A colorimetric assay for kinase activity based on the aggregation of gold nanoparticles.


Wolf

Researchers put bioenergetics into biomagnification

02 February 2006

Mathematical model could predict how industrial pollutants accumulate in different animal species.


Enantioselective catalysis by DNA

Highly enantioselective DNA-based catalysis

02 February 2006

DNA-based catalysts show great potential for asymmetric catalysis, say researchers in the Netherlands.


Pollution

Competition and confidentiality under Reach

01 February 2006

Global competitiveness is motivation for the chemical industry to make the EU's Reach legislation work.


lab on a chip

Chiral catalysis on a chip

01 February 2006

Chiral catalysis and analytical separation of the resulting enantiomers can now be performed on a single chip.