CARBON-BASED DEVICES: 11
Organic molecule acts as reversible switch, while nanotube kink controls current flow.

TROUBLES AT BROOKHAVEN:   11
DOE decides on permanent shutdown for research reactor.

TRADE PACT:   12
U.S. chemical exporters will be among beneficiaries of U.S.-China deal.

ACS ELECTION: 13
Attila E. Pavlath is selected as president-elect; four board members also chosen.

CHEMICAL SAFETY BOARD: 13
Members and chairman have deep disagreements on board's management.

BAYER BUYS INTO POLYOLS:   14
German company will pay $2.45 billion for Lyondell's operations.

MICROPOROUS MATERIAL: 14
Metal-organic frameworks are stable despite their large pore size.

BUSINESS CONCENTRATES:  17

COVER STORY

ELECTRONIC CHEMICALS: 21
As semiconductor producers squeeze their costs, they also cut chemical suppliers' sales.

PHARMACEUTICAL EXCIPIENTS:   35
"Cinderellas" of the drug industry get new focus.

FIBER INTERMEDIATES:   42
Spanish oil company Cepsa will build a purified terephthalic acid plant in Canada.

GOVERNMENT CONCENTRATES:  45

PROJECT XL: 47
EPA program to reinvent environmental regulation draws mixed reviews.

SCIENCE/TECHNOLOGY CONCENTRATES:  55

CHIRAL TRIUMPHS: 57
Conference on pharmaceutical ingredients features chiral auxiliaries, solvent-tolerant enzymes.

EVERNINOMICIN: 67
Total synthesis achieved of complex oligosaccharide natural product.

LAB MANAGEMENT: 68
Analytical lab managers celebrate 20-year-old association.

GroEL's FRIENDS: 70
Group of natural protein substrates of bacterial chaperone is identified.

MORE ON IMPOTENCE: 76
Arginase enzyme inhibitors could be new drugs to control NO production.

WHAT'S THAT STUFF?: 81
Asphalt: A sticky subject.

MARVELOUS MOLECULES:   83
Exhibition in New York focuses on shared chemistry of living things.

CHEMICAL LANDMARK:   89
Separation of rare-earth elements by Charles James is honored.

 5 EDITOR'S PAGE

 8 LETTERS

104 NEWSCRIPTS

Chemical & Engineering News
Copyright © 1999 American Chemical Society