id	keyword
american_scientific_journal-4347	agnps
american_scientific_journal-4347	silver
american_scientific_journal-4347	nanoparticles
american_scientific_journal-4347	figure
american_scientific_journal-4347	journal
american_scientific_journal-4347	effect
american_scientific_journal-4347	formation
american_scientific_journal-4347	reduction
american_scientific_journal-4347	technology
american_scientific_journal-4347	research