Inkjet-printed silver nanoparticle arrays for dental applications

R. L. Kenion, W. Y. Lee

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This work discusses the effect of inkjet-printed silver nanoparticle (SNP) arrays on oral bacteria found in saliva in order to determine their potential as a possible path of infection prevention on oral implants and devices. A piezoelectric inkjet printer (FUJIFILM Dimatix) was used to print an aqueous solution of 0.6 wt% SNPs. Tests were performed by growing oral biofilms from saliva using tryptic soy broth (TSB) under static conditions using a 12-well plate. Oral biofilm was grown from saliva on both printed and blank pieces of titanium (Ti) alloy (TiAl6V4; Stryker) contained in 12-well plates. These were then analyzed using crystal violet (CV) and fluorescent live/dead stains followed by imaging by stereo and confocal microscopes, respectively. While there was no significant difference in the ratio of live to dead bacteria present on the Ti alloy pieces, the difference in thickness of biofilm was twofold. The CV stained biofilm images taken using the stereo microscope were analyzed using ImageJ software. A one-way ANOVA test showed a statistically significant difference (p < 0.05) in biofilm coverage on the Ti alloy sample between the printed and blank areas. Within the unprinted areas there was an average of 97.8% biofilm coverage, while in the area of the micropattern there was only 87.5% biofilm coverage.

Original languageEnglish
Title of host publication2011 IEEE 37th Annual Northeast Bioengineering Conference, NEBEC 2011
DOIs
StatePublished - 2011
Event37th Annual Northeast Bioengineering Conference, NEBEC 2011 - Troy, NY, United States
Duration: 1 Apr 20113 Apr 2011

Publication series

Name2011 IEEE 37th Annual Northeast Bioengineering Conference, NEBEC 2011

Conference

Conference37th Annual Northeast Bioengineering Conference, NEBEC 2011
Country/TerritoryUnited States
CityTroy, NY
Period1/04/113/04/11

Keywords

  • inkjet printing
  • oral biofilm
  • silver nanoparticle

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