A substance produced by a microorganism or a semisynthetic substance able to inhibit or kill another microorganism.

Articles on that refer to Antibiotic

Microbivores: Artificial Mechanical Phagocytes By Robert A. Freitas Jr.
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Empowering the Really Little Guys By Glenn Harlan Reynolds
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Nanomedicine By Robert A. Freitas Jr.
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Chapter 1: Engines of Construction By K. Eric Drexler
Why Cryosuspension Makes Sense By Terry Grossman

News Articles that refer to Antibiotic

Antibiotic-Boosting Drug Kills Superbugs
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Bacteria that Defy Antibiotics
Bacteria vs. Humans: Score One for Us
U.S. Unprepared for Bioterrorism
Anthrax antitoxin Proposal
AI system predicts medicine's hidden powers
UK team in bacteria breakthrough
Bacterial Battle Generates New Antibiotics
Man-made 'defensin' rips resistant bacteria

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What is an Antibiotic?