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December 22, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

CHEMISTRY HIGHLIGHTS 2003

RNA INTERFERENCE

Chemists have a pivotal role in turning RNAi into a viable therapeutic.

JACS AT 125

Karplus equation links NMR coupling constant to molecular geometry.

December 15, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

METAL ANTIAROMATICITY

Researchers debate whether metal clusters with four electrons can be called antiaromatic.

CHEMICAL DRIVE

Student Chem-E-Car competition draws crowds at AIChE national meeting.

DIGITAL BRIEFS

December 8, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

GENOMICS & PROTEOMICS

While still proving its worth in drug R&D, genomics is providing insight into causes of disease and drug response.

PROMISCUITY'S POWER

Enzymes' ability to catalyze secondary reactions may provide a head start for evolving enzymes with new activities.

HOLD THAT MOLECULE

Researchers and teachers get their hands on accurate 3-D models made from rapid prototyping.

December 1, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

NANOTECH

K. Eric Drexler and Richard E. Smalley square off on the possibility of molecular assemblers.

SIMPLY SILICON

Chemistry at silicon surfaces adds organic function to semiconductors.

DRUG TESTING

Colorimetric test for GHB, the "date rape drug," could assist medical and law-enforcement personnel.

November 24, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

ION CHANNELS

Porphyrin molecules can bind potassium channel proteins in at least two different ways.

WHAT'S THAT STUFF?

Both fragile and ubiquitous, glass's beauty and usefulness has been clear for thousands of years.

November 17, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

CATALYSIS FUNDING

Researchers seek new sources of support to remain vital as catalysis seems less in vogue.

DOPING IN SPORTS

UCLA chemists identify designer steroid THG.

JACS AT 125

In his 1936 paper, Lars Onsager showed how Debye's theory of dipoles could be extended to polar solvents.

DIGITAL BRIEFS

November 10, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

LASSO PEPTIDE

Three research groups independently report structure of a lariat-shaped antibacterial peptide.

OPEN SESAME

Middle Eastern coalition plans to open the region's first synchrotron in 2007.

November 3, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

AHA! MOMENTS

CRITTER CHEMISTRY

Australian orchid seduces pollinator wasps by producing the same pheromone.

CHEMISTRY NOBEL PRIZE

Chemistry nobelists answered basic questions about how ions and water cross cell membranes.

NOBEL HISTORY

One hundred years ago, Svante A. Arrhenius was awarded the 1903 Nobel Prize for his theory of electrolytic dissociation.

MEDICINE NOBEL CONTROVERSY

Scientist spurned by Nobel committee has both supporters and detractors.

WHAT'S THAT STUFF?

Capsaicin is responsible for the mouth-burning fire of chili peppers.

October 27, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

COMBICHEM

Evolution of field leads to advances in catalyst optimization, natural-product-like libraries, and multicomponent reactions.

FUEL DESULFURIZATION

New catalysts and processes could help industry meet EPA regulations.

DALTON BICENTENNIAL

Events in England celebrate 200th anniversary of John Dalton's atomic theory.

JACS AT 125

K. Barry Sharpless' report on converting allylic alcohols into epoxides was a Nobel Prize-winning paper.

DIGITAL BRIEFS

New software and websites for the chemical enterprise.

October 20, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

9/11 URBAN AEROSOLS

Scientists work to understand the complex mixture of dust, powder, and smoke released from ruins of the World Trade Center.

BACTERIAL BUILDERS

Microbial metabolism may be major player in geochemical processes.

October 13, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

NATURAL PRODUCTS REDUX

Drug discovery and synthetic chemistry efforts are shifting back to natural products research.

RAMAN SHAMANS

Spectroscopic method gains popularity for probing catalysts.

DESIGNER SOLVENTS

Novel reaction systems combine the best properties of homogeneous and heterogeneous catalysis.

ORGANIC SYNTHESIS

Solid-state photochemical reaction offers route to vicinal quaternary centers.

NEW PRODUCTS

New And Notable In The Chemical Industry.

October 6, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

ESTROGEN RISKS

DNA-damaging metabolites help explain hormone replacement therapy's link to breast cancer.

CHEMISTRY & BIOLOGY

Educators are urged to teach along the interface of the two fields.

DIGITAL BRIEFS

New Software And Website For The Chemical Enterprise

MEETINGS BRIEFS

September 29, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

ANALYZE THIS

Proteins and proteomics dominate the meeting of mass spec community.

GREEN FOCUS

ACS presidential event highlights green chemistry and engineering's role in finding solutions to world problems.

HELICAL ASYMMETRY

Interactions between chiral molecules of similar helicity are favored over those between molecules of opposite helicity.

LIFE SCIENCES

New institute at the University of Michigan fosters interdisciplinary collaboration.

JACS AT 125

Irving Langmuir and Katharine Blodgett brought new depth to molecule-thick films with papers published in 1918 and 1935, respectively.

September 22, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

TUNNELING CONUNDRUM

Two recent papers call enhanced enzymatic tunneling hypothesis into question

JACS MILESTONE

ACS flagship journal celebrates 125th anniversary with star-studded symposium.

ARTISTIC LICENSE

Table of elements has inspired many works of art, most recently two periodic table tables.

TRANS FATTY ACIDS

FDA will require producers to list the amount of trans fat on nutrition lables.

September 15, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

IUPAC

Congress and general assembly meet in Ottawa, reflect on chemistry's interfaces.

NEW MATERIALS AT IUPAC

Metal-containing organic materials offer numerous potential applications.

OXYPHOSPHORANE CONTROVERSY

Assignment in enzyme crystal structure is questioned.

CRITTER CHEMISTRY

The chemical signal that hornets use to locate invaders is also found in some food flavorings and fragrances.

NEW PRODUCTS

New And Notable In The Chemical Industry

September 8, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

September 1, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

SUPERPARAMAGNETIC

Researchers trap nanoscale-sized magnets within beautiful purple glass.

ELECTROCHEMICAL LOGIC

New chip combines microfluidics and electrochemistry to create logic gates.

CHEMICAL PROTEOMICS

Technique maps phosphorylation sites in proteins.

DIGITAL BRIEFS

New Software and Websites for the Chemical Enterprise

August 25, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

BEAUTIFUL CHEMISTRY

C&EN readers weigh in on chemistry's most memorable discoveries.

PROTEIN FOLDING

A large protein folds in ways that challenge theoretical predictions.

INSIGHTS

Despite the wealth of evidence against cold fusion, true believers hold out on faith.

WHAT'S THAT STUFF?

Synthetic and natural food colorings abound in grocery stores.

August 18, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

PINHOLE LEAKS

Complex chemistry lies behind pitting in copper pipes.

JACS AT 125

In 1989, Colin Bain, Ralph Nuzzo, and George Whitesides functionalized self-assembled monolayers.

August 11, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

CHEMISTRY AND ART

Striking images enliven a hallway at the University of Wisconsin.

ELECTROCHEMICAL DNA DETECTOR

Reagentless and reusable analysis technique provides basis for portable analyzer.

NEW PRODUCTS

NEW AND NOTABLE IN THE CHEMICAL INDUSTRY

August 4, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

PROTEIN FOLDING

Researchers are improving their ability to predict structures of proteins.

COMPLEX FLUIDS

Rhodia's unique lab in New Jersey to study these substances is part of France's national system of academic labs.

July 28, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

ART FROM ANTIQUITY

New York's Metropolitan Museum of Art showcases Near East art from the third millennium B.C.

CATALYST RESEARCH IN MEXICO

State-run oil industry's needs for new catalysts shape research in the country's universities and national lab.

WHAT'S THAT STUFF?

Monosodium l-glutamate adds a unique boost to food flavors.

DIGITAL BRIEFS

New Software And Websites For The Chemical Enterprise.

July 14, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

CHIRAL SYNTHESIS

Australian start-up company uses free-radical chemistry to produce single enantiomers.

July 7, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

CANCUN CATALYSIS

Conference in Mexico draws experts from around the globe and gives locals extra exposure.

EBSCO TO THE RESCUE

Firm acquires troubled subscription agency RoweCom.

CRITTER CHEMISTRY

Researchers seek the chemical basis behind the giraffe's foul scent.

June 30, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

WHAT'S THE STINK?

Researchers investigate the chemistry behind the stench of the titan arum plant.

NEW EDUCATION FACILITY

University of San Diego's Donald P. Shiley Center for Science & Technology opens for business.

INSIGHTS

Mix -up between structural isomers reminds chemists to be diligent in ensuring accuracy.

July 21, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

R&D SPENDING GROWS

Latest NSF data show trends in academic chemical research; more tables available exclusively online.

GREEN ENGINEERING

New set of principles provides guidance to design environmentally friendlier products and processes.

GREEN ENGINEERING

New set of principles provides guidance to design environmentally friendlier products and processes.

NEW PRODUCTS

New And Notable In The Chemical Industry

June 23, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

REWORKING RNA

Chemists use nature's machinery to synthesize proteins with nonnatural amino acids.

DIGITAL BRIEFS

New Software And Websites For The Chemical Enterprise

June 16, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

JACS AT 125

Lineweaver and Burk's paper, published despite negative reviews, became the most highly cited paper to appear in JACS.

CRITTER CHEMISTRY

Polypeptide -spiral springs may be the secret of spider silk's strength and flexibility.

June 9, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

HYDROGEN RESEARCH

Workshop focuses on issues related to developing a hydrogen-fuel economy.

ION CHANNELS

Study of voltage-dependent K+ ion channel challenges conventional model of its function.

RED ROVER

NASA's new twin rovers will seek out evidence of water on Mars.

NEW PRODUCTS

New And Notable In The Chemical Industry

June 2, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

UNDERSTANDING VIOLENCE

Brain chemistry, genetics, and environment mix to produce aggressive behavior.

BOOSTING BIOAVAILABILITY

Grapefruit compounds increase effectiveness of certain drugs prone to metabolic degradation.

May 26, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

DRUG DISCLOSURES

New drugs for HIV infection, thrombosis, cancer, and schizophrenia are introduced at ACS symposium.

CAF? AU SCIENCE

A monthly evening of cabaret connects art and science.

FILAMENTOUS VIRUSES

Polarized Raman technique yields new details on bacteriophages.

H2O2 MYSTERY

Mechanism suggests how enzymes protect cells from damage while permitting peroxide to fulfill signaling function.

INSIGHTS

Book about new theory of scent goes too far in citing persecution by scientific community.

May 19, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

NEW ZEOLITES

Researchers use common reagents to synthesize novel products.

C&EN TALKS WITH

James Trevelyan discusses the urgent problems in humanitarian demining.

JACS AT 125

George S. Hammond explained structure-reactivity relationships in organic reactions.

WHAT'S THAT STUFF?

Jell-O's primary ingredient, gelatin, gives the dessert its appeal.

DIGITAL BRIEFS

New Software And Websites For The Chemical Enterprise

May 12, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

DNA REPAIR

Research probes cellular mechanisms that fix damage done by oxidative species.

NOVEL CATALYST HUNT

Transition-state analog is used to screen a library for potential catalysts.

NEW PRODUCTS

New And Notable In The Chemical Industry.

May 5, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

LONG-TERM RESEARCH

Experts explore new paradigms for innovation.

BISPHENOL A

Controversy arises over interpretation of new findings that implicate plastics monomer in chromosomal aberrations.

NOBCChE

Conference accentuates the positive and highlights career development.

April 28, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

COMPUTATIONAL NANOTECH

Theoretical and experimental approaches are used concomitantly to design nanosystems.

NANOSAFETY

Symposium looks at how nanomaterials interact with biological systems.

WHAT'S THAT STUFF?

Soap bubbles fascinate kids of all ages.

NEVILLE REED

C&EN talks with the Royal Society of Chemistry's general manager about membership expansion.

April 21, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

A LOOK BACK IN TIME

New methods for sequencing ancient proteins may allow retrieval of valuable genetic information.

JACS AT 125

Bruce Merrifield built peptides in a stepwise fashion on a solid support, eliminating tedious purification and repeated recrystallizations.

April 14, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

TRIBOLOGY

What happens when molecules rub each other the wrong way?

POLYMER BRUSHES

Tethered polymer chains create "smart surfaces" that can adapt to their environment.

GENDER EQUITY

How women chemists overcome obstacles.

NEW PRODUCTS

New And Notable In The Chemical Industry.

April 7, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

SYNTHETIC TOOLBOX

Poster session provides milieu for displaying new reactions and reagents.

OIL CLEANUP

Symposium presents alternative measures for countering oil spill damage.

ION CHANNELS

Researchers elucidate mechanism of how cell membranes respond to osmotic pressure changes.

March 31, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

INSIGHTS

Women scientists shine at symposium honoring 1963 Nobel Laureate Maria Goeppert-Mayer.

PITTCON 2003

Features analytical chemistry's contributions to brain chemistry analysis, IR spectroscopy, chemical weapons sensing, and petroleum science.

March 24, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

PRIESTLEY MEDALIST

Industrial chemist Edwin Vandenberg is honored for his contributions to polymer science and to the chemistry community.

AAAS SPOTLIGHT

Toxicogenomics, supertasters, and the protective diets of indigenous cultures highlighted at Denver meeting.

JACS AT 125

Pauling's predictions on the metallic radii of most elements provide further detail on the complexities of bonding.

March 17, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

PROCESS CHEMISTRY

ACS conference focuses on critical issues for industrial chemists involved in drug development.

March 10, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

HUMAN BLOOD TYPES

Subtle differences in sugars on red blood cell surface are crucial for transplants and transfusions.

STABLE SEMICONDUCTOR

Pt-based organometallic has better environmental stability than virtually all known semiconducting organic polymers.

DOUBLE HELIX AT 50

Watson and Crick's discovery of DNA structure defined a biological phenomenon at the chemical level, inspiring chemists.

March 3, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

CHEMICAL GENETICS

Chemists explore the biological world by synthesizing diverse arrays of small molecules.

CHEMICAL SCIENCE

Envisioning how advances in chemistry and chemical engineering will contribute to a brighter future.

FLUORINE CHEMISTRY

Conference delivers findings on nontraditional topics, including enzymes and lithography.

February 24, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

CRYSTALLIZATION

Forming proper crystals is an important aspect in drug manufacturing.

CHEMISTRY IN BRITAIN

Report finds need to spur innovation in U.K. university research.

INSIGHTS

Are plastic and duct tape a reasonable response to the terrorist threat?

February 17, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

PROTEIN DEAMIDATION

Researchers pin down this modification's physiological role as a regulatory signal.

JACS AT 125

Pearson's hard and soft acid and base concept provides qualitative basis for predicting chemical reactivity.

February 10, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

PEPTIDE-POLYMER BIOCONJUGATES

Chemists direct nanoscale synthesis with controlled living radical addition onto a solid peptide support.

GIULIO NATTA'S CENTENNIAL

A look at the life of the 1963 Chemistry Nobel Laureate, a pioneer in the field of stereoregular polymers.

WHAT'S THAT STUFF?

Chemistry gives a brighter smile through teeth whiteners.

February 3, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

ENZYME INHIBITOR

Drug design combines theoretical and empirical methods to mimic enzyme's transition-state structure.

January 27, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

SNOOZE NEWS

Insights into the chemical regulation of sleep and new drugs for narcolepsy and insomnia nudge the field.

THIOGLYCOLIGASES

Technique for enzymatic synthesis of sulfur-linked oligosaccharides will be useful for constructing thioglycosylated proteins.

WHAT'S THAT STUFF?

Opal's play of color comes from parallel planes of quartz interspersed with water.

JACS AT 125

Woodward and Hoffmann paper in 1965 set rules for predicting stereochemistry of electrocyclic reactions.

January 20, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

ALTERNATIVE ENERGY

Fuel-cell prototypes for a host of applications are generally robust, but it will be a while before products are widely marketed.

UNDERWATER TREASURE

Recently discovered marine bacteria may lead to new classes of antibiotic and anticancer drugs.

NEW PRODUCTS

New And Notable In The Chemical Industry

January 13, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

BIOMOLECULE PROBE

Raman optical activity spectroscopy gains importance for investigating solution structure and behavior of biomolecules.

DRUG HUNTING

Anti-idiotypic imprinting and direct molding shape novel bioactive compounds from polymeric cavities and enzyme active sites, respectively.

DIGITAL BRIEFS

New Software And Websites For The Chemical Enterprise

January 6, 2003

SCIENCE/TECHNOLOGY CONCENTRATES

FLEXIBLE ELECTRONICS

Symposium on incorporating electronics into materials such as fabric and plastic highlights advances and challenges.

DYES PERFORM LOGIC FUNCTIONS

Ion indicators illuminated by various wavelengths of light make up a wet molecular logic system.

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