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December 24, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
NEW LOOK FOR ETH
State-of-the-art facility highlights Swiss institute's commitment to chemistry.
IN THEORY
Density functional theory calculations shed light on the mechanism of chorismate synthase.
CIIT'S NEW EMPHASIS
Priorities are better reflected in the institute's new name, CIIT Centers for Health Research.
CLEMENS ROOTHAAN
C&EN talks with theoretician whose half-century of research changed the way computational molecular science is carried out.
INSIGHTS
In these uncertain economic times, chemists should think of job hunting as a research project.
December 17, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
IMPROVING ON NATURE
Scientists use directed evolution to beef up enzymes' natural abilities.
ROBERT BLACK
C&EN talks with chemist whose inventions symbolize better living through chemistry.
December 10, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
ANTHRAX DETECTION
Recent outbreak tested the government's public health response plan.
CHIRASOURCE
Fast, cost-effective production of single-enantiomer products is theme at symposium.
December 3, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
FERROCENE TURNS 50
Discovery of seminal organometallic compound is celebrated by the Journal of Organometallic Chemistry.
WHAT'S THAT STUFF?
Spray-on products keep shower stalls shining and grime-free.
November 26, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
DECONTAMINATING ANTHRAX
Combination of chemical and irradiation methods likely will be used to sanitize mail and buildings exposed to anthrax.
PROTEOMICS CHALLENGE
Field will require new techniques before it can tackle human proteome project.
STRUCTURAL GENOMICS
Proteomics allows researchers to determine biological functions of proteins.
INSIGHTS
Scientist brings unbiased eye to story of Scott's failed Antarctic expedition.
November 19, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
BIOINORGANIC CHEMISTRY
Metalloproteins take center stage at meeting in Florence, Italy.
PERSPECTIVE
Analysis suggests the underrepresentation of women on university chemistry faculties is not due to a leaky pipeline.
November 12, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
PUBLICATION RIGHTS
Researchers seek balance between the obligations and interests surrounding dissemination of research.
ARCHAEOLOGICAL CHEMISTRY
Nitrogen isotope study of wood residues in 8th-century-B.C. tomb sheds light on a king's diet.
FRANCE COMES TO CALIFORNIA
University of California, Riverside, forms partnership with French science agency.
November 5, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
WILLIAM KNOWLES
Retired Monsanto chemist is in the limelight after winning the Nobel Prize for his work in asymmetric catalysis.
WHAT'S THAT STUFF?
Ultrapasteurization extends the shelf life of milk and eggs.
October 29, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
PHARMACEUTICAL INTERMEDIATES
CPhI meeting features broad advances in catalytic technology.
INSIGHTS
IUPAC's affiliate program could help revitalize world chemistry group.
October 22, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
MICROBICIDES
Topical drugs to prevent sexually transmitted diseases and pregnancy enter efficacy trials.
SELF-ASSEMBLY
Noncovalent interactions control the size and shape of porphyrin assemblies.
ENZYME MECHANISM
Proton relay and water molecule prominent in mechanism of Schiff base-forming aldolase.
POLYSIALIC ACID BIOSYNTHESIS
Using a key substrate, researchers disrupt metabolic production of polysaccharides.
October 15, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
ARCHAEOLOGY
Chemists find nondestructive ways to study and date ancient artifacts.
"NANOENGINEERED SORBENTS"
Compounds selectively take up heavy metals or other pollutants and can be modified to go after new environmental targets.
"CARBON-TIN BONDING"
Chemists at DuPont achieve direct synthesis of aryl-tin derivatives by aromatic substitution.
"WHAT'S THAT STUFF?"
Pencils and pencil lead: implements with the "write" stuff.
October 8, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
LUMINESCENT ORGANOMETALLICS
Novel soluble carbon-rich transition-metal acetylide complexes may lead to new types of luminescent materials.
URANIUM CHEMISTRY
Novelty of actinide chemistry is reinforced by study of uranium-nitrogen complexes.
October 1, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
SOLID ACID CATALYSTS
Process developments mean improved alkylate production for cleaner burning gasoline.
CHEMICAL TOXINS
Scientists begin to delineate complex cellular responses to chemically induced stress.
September 24, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
ACCOUNTING FOR MERCURY
Scientists study the transformation of mercury in an ecosystem.
ALL-METAL AROMATICS
Gas-phase metal clusters with demonstrated aromaticity could lead to novel complex materials.
CANCER RESEARCH
Scientists find that cancer drug works by interfering with DNA repair.
September 17, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
FRESH FOOD
Scientists report advances in assessing and preserving freshness.
ACCELERATOR MS
Technique finds uses in fields such as medicine and environmental science.
PEPTOID PROMISE
Synthetic material mimics lung surfactant.
METALLOCENES
Researchers directly observe elusive key intermediate in alkene polymerization.
ZINC PROTEINS
Resarch suggests proteins may control zinc trafficking in cells.
September 10, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
SYNTHETIC ORGANIC CHEMISTRY
Advances in protecting-group removal, multicomponent reactions, and enantioselective methods are reported at ACS meeting in Chicago.
REACTR
Process chemistry simulation program is designed by an organic chemist for organic chemists.
September 3, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
CATALYSIS CONFERENCE
International meeting highlights latest advances in catalysis research.
BIPHASIC SYSTEMS
Homogeneous catalysts can be recycled continuously using biphasic systems of CO2 and ionic liquids.
JOURNAL BOYCOTT
Supporters back spirit rather than literal content of petition regarding free Internet archive access.
August 27, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
AIDS VACCINES
New research and better organization have energized a field plagued by nearly two decades of frustration.
INSIGHTS
Research-abroad programs like the Humboldt offer great opportunities too few American scientists take advantage of.
August 20, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
IUPAC CONGRESS
International meeting promotes fertilization among chemistry's subdisciplines.
IUPAC GENERAL ASSEMBLY
New project-driven system will be used to achieve union's goals in nomenclature, terminology, and education.
IRON-SULFUR CLUSTERS
Biotin synthase reveals that this class of cofactors can act as both catalyst and substrate in enzyme-directed reactions.
August 13, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
DIETARY SUPPLEMENTS
Controversial work finds that colchicine in ginkgo biloba and echinacea may endanger pregnant women and fetuses.
August 6, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
SYNCHROTRON CONFERENCE
Users gather to swap tips and learn about latest developments in their fields.
CATALYSIS
Transition-metal-catalyzed allylic substitutions offer new ways to construct carbon-carbon and carbon-heteroatom bonds.
July 30, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
PLANT DEFENSES
Volatile signaling compounds help plants to fend off attack and possibly to warn other plants.
MOLECULAR ELECTRONICS
Researchers work to develop parts that can be assembled into molecular-scale circuitry.
SCIENCE INSIGHTS
Bill Gates's donations to AIDS causes are impressive, and our reporter is inspired to emulate him with her tax rebate.
July 23, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
NOYORI'S OPUS
Profile of an extraordinary chemist and his asymmetric catalysis by metal complexes.
INFINITE ANTIBODIES
Researchers engineer antibody-ligand pair to possess "infinite" affinity via covalent binding.
CRAM'S RULE
Nobel Prize-winning organic chemist Donald Cram is remembered by his colleagues.
July 16, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
QUANTUM-DOT BAR CODES
Researchers design semiconductor nanocrystals to identify molecules in bioassays.
July 9, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
GENOMICS
Recent developments may offer hope for fighting diseases like cancer and for human tissue and organ replacement.
FAKE BONE
Emulating nature, researchers engineer molecules to create bonelike nanostructures.
July 2, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
GOING FOR THE GREEN
Presidential Green Chemistry Challenge Awards recognize innovations that promote pollution prevention.
H-BOND STRUCTURAL CONSTANTS
New parameters will aid screening for drugs and agrochemical leads.
WHAT'S THAT STUFF?
Fireworks thrill and delight--and they keep getting better, thanks to good chemistry.
June 25, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
CHEMISTRY OLYMPIANS
After competing in the International Chemistry Olympiad as high school students, most have embarked on careers in science or math.
UNNATURAL ABUNDANCE
Caltech theoretical chemists explain decades' worth of data demonstrating the curious isotopic ratios of ozone.
INSIGHTS
Revisiting the costs and hazards of disposing of deteriorating and unlabeled gas cylinders.
June 18, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
KNEAD TO KNOW
Food chemists are slowly discovering what takes place as flour turns into bread.
PUBLICATION RIGHTS
ACS holds publication of Langmuir paper pending dispute between former postdoc and adviser.
June 11, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
ENZYME CHEMISTRY
Bioinorganic researchers try to achieve selective oxidation of hydrocarbons at ambient temperatures and pressures.
EDUCATION
Chemistry students benefit from handheld computers that help them visualize chemical concepts.
HINDSIGHTS
What is the role of the press at the interface between science and society
June 4, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
PRECIPITON METHOD
Procedure provides a convenient way to separate products in solution-phase organic synthesis.
COUNTING ELECTRONS
New rule connects boranes and metallocenes, elucidates structure of boron allotrope.
PERSPECTIVE
Clash between scientific and nonscientific ways of knowing the world is underscored intwo recent books.
May 28, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
HYDROGENATION
New media for this widely used process include supercritical carbon dioxide, room-temperature ionic liquids, and solvent-free systems.
PATENT RIGHTS
Chemist Srinivasan helped develop a laser method for vision correction surgery but was not named coinventor.
INSIGHTS
Number of women in synthetic organic chemistry is low, as is their visibility.
May 21, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
AIDS
Inhibiting viral entry into cells is promising new approach to drug discovery.
CHIRAL DRUG ANALYSIS
Scientists are developing fast, convenient, and sensitive methods based on mass spectrometry.
PARSONS AWARD ADDRESS
Richard Zare gives advice on having a successful career in chemistry.
May 14, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
PROTEIN ENGINEERING
Polyfluorination of amino acid side chains of peptides does not disrupt structure but dramatically increases peptide stability.
CHEMICAL HINDSIGHTS
Study shows that Asian Americans face racial stereotyping and bias.
May 7, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
EXTRATERRESTRIAL AMINO ACIDS
Astrochemists explore whether the key molecules of life on Earth exist beyond this planet.
CATALYSIS
Boston College researchers demonstrate novel method for making enantioselective quaternary carbon centers.
QUININE
First stereoselective total synthesis of antimalarial agent revisits the complex history of early efforts to synthesize the drug.
PROTEIN BIOSYNTHESIS
Advances in methodologies to expand the genetic code make it easier to create recombinant proteins containing unnatural amino acids.
April 30, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
"OXYGEN"
The nature of scientific discovery and priority are the subjects of a new play by chemists Carl Djerassi and Roald Hoffmann.
NEAR-FIELD SPECTROSCOPY
Technique provides chemical composition and improved resolution.
NOBCChE
Maintaining tradition, black chemists organization's 28th annual conference promotes chemistry and citizenship.
INSIGHTS
MIT announces plans to post free course material on the Web.
April 23, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
MORE ACTIVE ORGANIC MATERIALS
New semiconducting and light-emitting oligomers and polymers display enhanced electrical and optical properties.
PRESERVING WOOD
Research on destructive organisms leads to novel approaches to protect against decay.
SPREADING THE WORD
Procter & Gamble adopts a creative way to convey health and safety information to employees.
MEETING BRIEFS
Procter & Gamble adopts a creative way to convey health and safety information to employees.
April 16, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
ORGANIC REACTIONS
New scaffold molecules, applications of multicomponent reactions are among the recent advances in organic synthesis.
ENEDIYNE DRUGS
New evidence suggests a novel DNA-cleavage mechanism for this class of antibiotic and antitumor agents.
WHAT'S THAT STUFF?
Shampoo products all have one thing in common: They contain a fusion of chemical ingredients to clean hair.
April 9, 2001
SCIENCE/TECHNOLOGY CONCENTRATES
WATERWORLD
Technologies to purify saltwater, brackish water, and wastewater are being adopted to help meet municipal water needs.
ELUSIVE PRIONS
Search is on for reliable tests to detect infectious proteins believed to cause mad cow and similar diseases.
FASTER MQ-MAS
Method significantly improves sensitivity in NMR spectroscopy of quadrupolar nuclei.
AUTOMATED SYNTHESIS
Technique makes antigenic hexasaccharide in days instead of months.
April 2, 2001
Science/Technology Concentrates
Pittcon Spotlight Is On Proteomics
This year's conference also highlights two firms that have undergone dramatic transformations.
Probing Proteomes
Mass spectrometry, other techniques provide ways to analyze global protein expression.
Let's Get Small
Lab-on-a-chip devices attract growing interest for a wide range of applications.
Only Facts Will End Lignin War
Data, not verbiage, will determine if new lignin biosynthesis model will prevail.
Ionic Liquids In A Renewable Ferment
Designer solvents show potential for recovery of fuel, chemical feedstock from biomass.
March 26, 2001
Science/Technology Concentrates
March 19, 2001
Science/Technology Concentrates
So Many Grapes, So Little Time
Using DNA sequences, researchers are unraveling the surprising parentage of wine grapes.
Assembling The Troops
Combining carbohydrate antigens in the same molecule could lead to new generation of vaccines.
Education Concentrates
March 12, 2001
Science/Technology Concentrates
Capturing Antiaromaticity
Elusive quality may soon be trapped in an annelated cyclooctatetraene.
Low-Fidelity DNA Polymerases
Enzymes that make lots of 'mistakes'may have functional and evolutionary significance.
Fluorous Mixtures
Tagging starting materials with fluorinated labels allows easy separation of final products
Elsa Reichmanis Wins Perkin Medal
Bell Labs chemist honored for pioneering work on the design of photoresists
The Times They Are A-Changin'
ACS member survey traces dramatic shifts in the chemical profession
March 5, 2001
Science/Technology Concentrates
Entering The Next Dimension
Microfabrication techniques, including printing patterns on cylinders, construct 3-D objects.
Polymer Nanowires Connected By STM
Scanning tunneling microscope used to control polymerization at the nanoscale.
Biotech Eden
San Diego, a former military town, enjoys its new persona as a thriving biotechnology hub, but popularity comes with a price.
February 26, 2001
Science/Technology Concentrates
Rings Encircled With Fluorines
Exchanging fluorines on highly fluorinated heteroaromatics is a useful strategy for making other highly substituted heterocycles.
Digging For Novel Fluorofullerenes
Collaborative team makes molecules that look like a deflated soccer ball and a ringed planet.
CAS: A Chemical Research Dynasty
Since its founding, Chemical Abstracts Service has pioneered ways of providing information to the scientific world.
Paint Chemistry's Image With Color
Color is the most visual, pervasive example of the importance of chemistry to our lives.
February 19, 2001
Science/Technology Concentrates
Inorganic Cluster Inhibits Hiv Protease
Compound inhibits the AIDS virus' protease enzyme by a unique mechanism.
Double The Charge To Lower The Price
New versions of commercial compounds show promise as effective polymerization catalysts.
Composing The Next Chapter
ACS Publications Division plots its course in a changing market that now includes e-publishing.
February 12, 2001
Science/Technology Concentrates
Contraband Diamonds
World community seeks technology to identify diamonds from regions in conflict.
A3 Receptors
Compounds that activate or inhibit adenosine A3 receptors are being studied for potential therapeutic use in heart disease and cancer.
February 5, 2001
Science/Technology Concentrates
Tying Top-Down To Bottom-Up
Dutch institute forges link between top-down microfabrication and bottom-up self-assembly.
Custom-Made Biomaterials
Applying engineering, materials, and chemistry principles, researchers produce safe, smart, and effective implantable devices.
January 29, 2001
Science/Technology Concentrates
Single Cells Up Close In Real Time
As the ability to look inside single cells improves, life's processes become clearer.
One Step To Bioactive Polymers
Supercritical CO2 disperses inorganic materials, enzymes in biodegradable composites.
Zapping Rice Fungi
Electrical stimulus applied to rice plants could activate antifungal genes to combat blight.
Drowning In A Sea Of Refereed Publications
The revolution in scientific publishing brought about by the Internet should be an opportunity to make the literature free and to raise standards.
News Embargoes Can Be Both Boon And Bane
Journals' restrictions enable an even playing field, but sometimes intimidate scientists.
January 22, 2001
Science/Technology Concentrates
Opal Chips:Photonic Jewels
Colloidal crystals in silicon wafers may lead to first practical photonic chip.
Nature's Pantry Is Open For Business
Coffee grounds, molasses, and cellulose yield plastics, composites, and high-end paint.
Protein Interactions:Putting On The Brakes
Antibody mimics that bind to protein surface block protein-protein interactions.
Paul Scheuer's Life, Work Celebrated
'Father of marine natural products' honored for 50 years of research at the University of Hawaii.
January 15, 2001
Science/Technology Concentrates
Here Comes Paper 2.0
Corporate researchers are developing flexible, paperlike electronic displays that one day may change the way we read books and periodicals.
Synchrotron Radiation Shines
Ultrabright, focused light becomes a must-have research tool for chemists.
Simple Molecules Aid Drug Uptake
Oligomeric molecular transporters enter cells, tissues with ease, enhancing uptake of drugs.
January 8, 2001
Science/Technology Concentrates
Annulation Strategies
Diverse methods, including cascades of cycloadditions, expand chemists' options for building complex molecules.
Synchrotron Radiation Shines
Ultrabright, focused light becomes a must-have research tool for chemists.
Blueing With Cytochrome P450
From Pacifichem 2000.
January 1, 2001
Science/Technology Concentrates
New Horizons For Ionic Liquids
Green 'designer solvents' find additional effective uses, now for enzyme catalysis and in classic organic syntheses.
Polymer Transistors: Do It By Printing
Ink-jet technique may hasten advent of low-cost organic electronics for certain uses.
Wires For A Nanoworld
New structural features may serve as components of ever smaller circuits.
DNA Charge Migration: No Longer An Issue
New evidence indicates DNA isn't wirelike or an insulator, but something complicated in-between.
What's That Stuff?
Air travel in freezing conditions relies on the chemistry of deicers.
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