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September 29, 2003

EXPLODING DENDRIMERS

Single signal triggers dendrimers to release their drug payloads all at once.

CHEMICALS POLICY

European Commission softens draft regulations in response to pressure.

EPA CHIEF NOMINEE

Senate Democrats are blocking final vote on Michael Leavitt's confirmation.

PROTEIN DETECTION

Innovative DNA-based assay promises ultrasensitivity.

CURRENCY POLICY

Weakened U.S. dollar may benefit the chemical industry.

BIOTECH THAW

Product prospects mean more biotech companies are going public.

ZEOLITE SYNTHESIS

Recyclable structure-directing agents allow greener, more economical process.

CUSTOM CRYSTALS

Biomineralization method imprints features of biomolecules on inorganic structures.

BIODEFENSE DEFECTION

Researchers depart Johns Hopkins civilian biodefense center.

September 22, 2003

NANOELECTRONICS

Nanowires can be assembled into thin-film transistors for a broad range of applications

CANNED IN CANCUN

Trade talks failure douses hopes for worldwide chemical shippers

BIG MOMENT

Largest transient dipole moment ever recorded is nearly 100 times larger than water's.

CHEMICAL DATABASE

Congressional stinginess imperils Integrated Risk Information System.

DOLLY'S MAKER

PPL Therapeutics, the firm that helped create Dolly the cloned sheep, is calling it quits.

INDUSTRY OUTLOOK

Chemical companies see little hope for an upturn this year.

FISHY PCB CARRIERS

Spawning salmon deliver persistent contaminant to remote Alaskan lakes.

September 15, 2003

ANTIBIOTIC DEFENSE

Self-sacrificing protein illustrates yet another route for bacteria's antibiotic resistance.

BIG APPLE CHEMISTRY

ACS holds its fall national meeting in New York City.

ACS MILESTONES

C&EN, JACS celebrate anniversaries.

BIOTECH BUYS

Amgen, Aventis dig deep for promising drug candidates.

SCIENCE FORUM

Kyoto will host discussions of science and technology policy.

NANOTUBE CONTROL

Covalent chemistry has important consequences for carbon nanotubes.

NANOTECH FORUM

Nobel Laureates Shimon Peres and Richard Smalley headline at nanotechnology congress.

DRUG-SCREEN SCRUB

Detergent disrupts aggregation-induced activity in assays.

PRIZED IMAGES

Visualization challenge includes chemistry images among winners.

ENERGY TALKS

On Capitol Hill, negotiators strive to agree on national energy bill.

TELLER MOURNED

Manhattan Project principal is dead at 95.

September 8, 2003

GOVERNMENT REVIEW

White House wants standardized peer review for documents used to support regulation.

DRUG AVAILABILITY

World Trade Organization will allow poor countries to import generic versions of some patented drugs.

EPA NIXES CO₂ RULES

Agency says it has no authority to regulate carbon dioxide from motor vehicles.

NATURE'S ARSENAL

Certain frogs and weeds rely on specialized chemistry to survive and conquer.

CHEMICAL TESTING CLEARS HURDLE

Animal rights groups are overruled on testing of high-production-volume chemicals.

GOLD JUNCTION

Images reveal details of a molecule placed between two gold contacts.

COPPER BOUND

Protein that senses and binds free copper reveals nuances of biological control.

September 1, 2003

SUGARY PROTEINS

Genetically engineered yeast produce humanized homogeneously glycosylated proteins.

SCHERING-PLOUGH CUTS DEEPEN

CEO Fred Hassan marks 100 days at helm of drug firm with more cost reductions, attrition.

SHUTTLE ACCIDENT

Investigation board calls for changes in NASA's culture.

CLEAN AIR ACT

In a new regulation, EPA expands routine maintenance exemption.

POLICY PROBE

Administration's energy policy is based largely on industry input, GAO says.

GERMANY PIQUES DRUG FIRMS

Health care reforms will reduce R&D investments in Germany.

CURRY VERSUS CANCER

Curcumin, the active ingredient in turmeric, inhibits a key enzyme.

SEXY THIOPHENES

Location of fluorinated components controls semiconductor behavior.

NEW INSTITUTE HEAD

Biophysical chemist Jeremy Berg is tapped to head NIH's National Institute of General Medical Sciences.