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Chemistry World July 15, 2010 Simon Hadlington |
Synthetic enzyme catalyses Diels-Alder reaction The reaction is key to many organic syntheses and suggests that artificial enzymes could soon become part of the synthetic chemist's toolkit. |
Chemistry World January 6, 2010 Phillip Broadwith |
Enzymes do the twist The way enzyme catalysts bind molecules to speed up their reactions is not as simple as once thought, say chemists from the UK and Spain. |
Chemistry World May 21, 2009 Simon Hadlington |
Long-awaited structure of famous enzyme challenges the textbooks US researchers have uncovered a biochemical irony: a famous enzyme whose study led to some of the fundamental concepts of biological catalysis does not behave in the way that was previously thought. |
Chemistry World April 14, 2006 Simon Hadlington |
Deciphering Hydrogen Tunnelling in Enzymes Researchers have thrown important new light on the phenomenon of hydrogen tunnelling in biological catalysts. The finding is likely to spark a debate among biochemists about the fundamental nature of enzymes. |
Chemistry World November 27, 2011 James Mitchell Crow |
Artificial enzymes close in on nature A synthetic metalloprotein that approaches the catalytic performance of a natural enzyme, despite its stripped-down structure, has been developed by a team of chemists in the US. |
Chemistry World November 26, 2012 Laura Howes |
Protein coat prepares catalyst for cascades By protecting a transition metal catalyst with a protein coat, scientists have managed to couple up biocatalysts and chemical catalysts to perform a cascade reaction. |
Chemistry World February 25, 2014 Simon Hadlington |
Synthetic 'textbook model' of a biological catalyst Scientists have developed a simple two-molecule chemical analogue of an enzyme and its substrate that neatly illustrates the fundamental principles of biological catalysis. |
Chemistry World June 10, 2009 James Urquhart |
Enzyme employs unusual cleavage reaction The mechanism of an unusual carbon bond cleavage reaction in the biosynthetic pathway of phosphinothricin tripeptide (PTT) - a naturally occurring herbicide and antibiotic compound - has been elucidated by US scientists |
Chemistry World September 24, 2007 Simon Hadlington |
Viral Nanoreactor Captures Single Molecules Researchers in the Netherlands have created a biochemical nanoreactor by cracking open a virus, removing its contents then reassembling the virus's protein coat around a single molecule of enzyme. |
Chemistry World November 3, 2014 Debbie Houghton |
Engineered metalloenzyme catalyses Friedel -- Crafts reaction Reprogramming the genetic code of bacteria to incorporate an unnatural amino acid has allowed scientists in the Netherlands to create a new metalloenzyme capable of catalyzing an enantioselective reaction. |
Chemistry World November 5, 2015 Emma Stoye |
Unnatural nanoreactor puts click reaction in the spotlight A protein 'nanoreactor' that can monitor a click chemistry reaction at the level of single molecules has been created by adding an unnatural amino acid to a nanopore. |
Chemistry World February 20, 2012 James Urquhart |
Unusual kinetics of catalyst revealed US researchers have elucidated the unusual reaction kinetics of C-H activation by the palladium(II) catalyst (Pd(OAc) 2). |
Chemistry World January 17, 2014 Phillip Broadwith |
Plug and play redox enzymes With the constant drive to make chemical synthesis ever cleaner, more energy-efficient and generate less waste -- both in research and industrial processes -- more and more chemists are looking to harness enzyme catalysis. |
Chemistry World March 15, 2007 Henry Nicholls |
The Mother of All Enzymes Scientists have uncovered the three-dimensional structure of what might be biology's first enzyme. This sheds light on the chemistry at a key moment in the origin of life, they argue. |
Chemistry World March 4, 2013 Harriet Brewerton |
Co-factoring on a chip makes biocatalysis easy Stephan Mohr and colleagues have designed an efficient microfluidic biocatalysis device that uses and regenerates an artificial mediator, dimethyl viologen, which is cheaper than co-factors used currently. |
Chemistry World April 12, 2007 Simon Hadlington |
Fatty Acid Factory Revealed X-ray crystallographers have achieved the Herculean task of elucidating the architecture of one of biochemistry's most impressive molecular machines, the multi-enzyme fatty acid synthase. |
Chemistry World January 21, 2011 David Barden |
Close encounter makes modifying proteins easy Chemists in the US have now developed a powerful strategy for selectively modifying the side-chains of proteins, which they hope will enable the creation of new tools to investigate protein interactions involved in human diseases. |
Chemistry World March 3, 2014 David Bradley |
Mechanical stress pulls cyclization into shape Researchers at the Ruhr University Bochum, in Germany, have calculated that enediyne toxins, compounds used as anticancer drugs, might undergo Bergman cyclization when put under stress. |
Chemistry World February 4, 2011 Elinor Richards |
Strychnine in just six steps Strychnine, best known as a poison but also used medicinally as a stimulant, can now be synthesised in just six steps, say US scientists. |
Chemistry World June 17, 2010 Andrew Turley |
Biocatalyst improves diabetes drug production Researchers have developed an enzyme that can produce a difficult to form chiral amine in a best-selling diabetes therapy. |
Chemistry World May 21, 2009 James Urquhart |
Catalyst kinetics revealed French and UK scientists have developed a spectroscopy technique that has elucidated the reaction mechanism of a silver-alumina catalyst. |
Chemistry World March 20, 2007 Lionel Milgrom |
Chemical Model Unlocks Key Enzyme's Secrets The precise workings of cytochrome c oxidase (CcO), an enzyme that is crucial for all aerobic life, have been unveiled. |
Chemistry World January 19, 2010 Simon Hadlington |
New 'click' reaction to modify proteins Chemists in the US have discovered a new way to attach small molecules to proteins and peptides under mild, aqueous reaction conditions. |
Chemistry World May 26, 2010 Phillip Broadwith |
Pain target enzyme's working made crystal clear An enzyme that influences how we feel pain and is a potential target for treating anxiety has been crystallised and its structure solved by US scientists. |
Chemistry World August 11, 2011 Josh Howgego |
Enzyme Inspired Nickel Complex Races to Produce Hydrogen A cheap nickel catalyst could pave the way for the industrial production of hydrogen - a step on the road to a hydrogen economy. |
Chemistry World August 10, 2009 James Urquhart |
Stretching for reversible enzyme activation A new kind of biologically inspired nanomaterial that can be chemically turned on and off by mechanical stretching has been devised by French researchers. |
Chemistry World September 21, 2009 Hayley Birch |
Enzymes inspire new catalyst design for hydrogen production A novel enzyme-based catalyst developed by UK and US researchers hints at new ways of designing catalysts for the water-gas shift reaction, an important industrial reaction in the production of high grade hydrogen. |
Chemistry World May 1, 2014 James Urquhart |
Ancient oceans' metals mimicked metabolism Primitive metabolism of sugar phosphates may have started spontaneously in ancient oceans around 4 billion years ago and given rise to life, according to UK researchers. |
Chemistry World November 14, 2013 James Urquhart |
Mysterious selectivity of nature's blowtorches solved US researchers have solved the long-standing mystery of how cytochrome P450 enzymes generate intermediates to perform demanding oxidations of inert C -- H bonds without damaging their fragile protein network in the process. |
Chemistry World November 26, 2010 Rebecca Brodie |
Printing on bioactive paper An enzyme printing process that prints the product of an enzyme-catalysed reaction, but not the enzyme molecule itself, has been designed by scientists in Australia to produce bioactive paper. |
Chemistry World August 13, 2009 Simon Hadlington |
Forcing enzyme activity New research has shown that physically stretching an enzyme can trigger its activity - even when the active site is not hidden in a 'cryptic' position. Mechanical force may play a more important role in biological molecular systems than previously realized. |
HHMI Bulletin Winter 2013 Olga Kuchment |
Rickety for a Reason Imagine walking inside a building so flimsy that it shakes with every step, making you wonder what keeps it standing. HHMI early career scientist Sin Urban has been asking the same question about an unusual class of enzymes, the rhomboid proteases. |
Chemistry World February 2011 |
Column: In the pipeline Enzymes have been giving chemists inferiority complexes since day one, says Derek Lowe. But there's no denying their potential |
Chemistry World March 8, 2007 Simon Hadlington |
Researchers Claim Antibiotic Holy Grail Researchers in Canada have revealed the structure of a key enzyme involved in the synthesis of bacterial cell walls. The finding opens up the possibility of developing new and improved antibiotics and overcoming the increasing problem of bacterial resistance to existing drugs. |
Chemistry World March 16, 2015 Elisabeth Ratcliffe |
Enzyme selectivity switch to benefit infant formula production Scientists in Austria who have redesigned the active site of an enzyme to switch its regioselectivity may have latched onto a new way to make molecules that are important for infant formula. |
Chemistry World July 16, 2009 Simon Hadlington |
Strange vibrations Researchers in Taiwan have shown that in a relatively simple molecular system the induced vibrations can inhibit the breaking of the bond and slow the reaction down. |
Chemistry World October 14, 2009 James Urquhart |
New route to amino acids US scientists have found a new way of making a class of non-natural amino acids that are widely used as components of pharmaceuticals and chiral catalysts. |
Chemistry World August 29, 2007 Ananyo Bhattacharya |
'Lost' Folate Enzyme Found After 30 Years US researchers have revealed the identity of an enzyme used by bacteria to make the essential B vitamin folate, 30 years after it was first isolated. |
Chemistry World August 30, 2009 Phillip Broadwith |
C-H oxidation proves its worth US researchers are going against the grain of total synthesis and developing new approaches to complex molecules. |
Chemistry World March 14, 2012 James Urquhart |
Catalysis at the flick of a switch German researchers have created a molecular nanoswitch that can be reversibly and repeatedly turned on and off to control a chemical reaction. |
Chemistry World September 9, 2007 Simon Hadlington |
Sugaring the Pill Researchers in the US have made a key advance in efforts to bolt sugar molecules onto natural products in the search for new drugs. |
Chemistry World January 8, 2014 Karl Collins |
Oxidation station Small molecules are making significant inroads -- with reactivity and selectivity approaching levels previously thought unachievable. |
Chemistry World October 27, 2006 Richard Van Noorden |
Synthetic Origami Folds Like Natural Enzymes Researchers have synthesised a large organic molecule that folds up like a small protein, though its backbone is entirely non-biological. The achievement is a step along the path to producing truly synthetic enzymes in the laboratory. |
Chemistry World September 4, 2008 Fred Campbell |
Two catalysts better than one US researchers have cracked a long standing problem in chemical synthesis - the catalytic alpha-alkylation of aldehydes - by combining two catalysts in one pot. |
Chemistry World October 26, 2006 Victoria Gill |
Volcanoes Reveal the Secret of the Origin of Life Life began with a chemical reaction under the sea over four billion years ago. That is the claim of a German scientist whose team has recreated a crucial part of the reaction, synthesizing all the necessary ingredients for a living organism. |
Chemistry World September 12, 2010 Simon Hadlington |
Isotope effect seen on single molecule The isotope effect - where the rate of a reaction is altered depending on the presence of a given isotopic atom in the reactant - is a key tool for elucidating reaction mechanisms |
Chemistry World November 11, 2009 James Urquhart |
Structural snapshots of complex molecules US researchers have pioneered a new spectroscopy technique to uncover the precise sequence of atomic movements and structural changes that occur during complex chemical transformations. |
Chemistry World February 21, 2007 Tom Westgate |
Complex Organic Molecules Teamed with Iodine Chemists have developed a method for constructing complex halogen-containing organic molecules from simple compounds in a single step. The discovery could pave the way for the synthesis of many potentially useful naturally occurring molecules. |
Chemistry World January 24, 2013 Tamsin Cowley |
Environmentally friendly alternative to toxic heavy metals in paint Austrian scientists have shown that an environmentally friendly enzyme, laccase, can be used to replace toxic drying agents in paint. |
Chemistry World December 2, 2008 James Mitchell Crow |
Just add air for cleaner carbon bonding UK scientists have found a new way to clip together organic molecules that could be the ultimate green approach to making carbon-carbon bonds |