Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (5/5 displayed)

  • 2020Optimizing the antimicrobial performance of metallic glass composites through surface texturing8citations
  • 2020Optimizing the antimicrobial performance of metallic glass composites through surface texturing8citations
  • 2020Optimizing the antimicrobial performance of metallic glass composites through surface texturing8citations
  • 2020Thermodynamic Surface Analyses to Inform Biofilm Resistance.6citations
  • 2009Steel corrosion in alkaline batteries8citations

Places of action

Chart of shared publication
Qu, Bokun
2 / 2 shared
Thompson, Jonathan R.
2 / 2 shared
Hoerdemann, C.
3 / 3 shared
Lund, Peter A.
1 / 1 shared
Dover, Lynn
1 / 2 shared
Adesina, Janet O.
2 / 2 shared
Villapún, Victor M.
1 / 3 shared
González Sanchez, Sergio
1 / 2 shared
Cox, S.
2 / 5 shared
Dover, L. G.
2 / 2 shared
Lund, Peter
1 / 2 shared
Villapun Puzas, Victor Manuel
1 / 5 shared
Cox, Sophie C.
1 / 18 shared
González, S.
2 / 16 shared
Thompson, J. R.
1 / 1 shared
Adesina, J. O.
1 / 1 shared
Qu, B.
1 / 3 shared
Villapún, V. M.
1 / 1 shared
Lund, P. A.
1 / 1 shared
Cj, Holt
1 / 1 shared
Eb, Henry
1 / 1 shared
Jr, Lowe
1 / 1 shared
Tc, Garfield
1 / 1 shared
Ra, Faulkner
1 / 1 shared
Pr, Hendley
1 / 1 shared
Vn, Ghebranious
1 / 1 shared
Smith, D.
1 / 13 shared
Pr, Patel
1 / 1 shared
Ds, Oskin
1 / 1 shared
Ja, Lowry
1 / 1 shared
Ar, Dodds
1 / 1 shared
Jg, Carlisle
1 / 1 shared
Roy, P.
1 / 7 shared
Serebrennikova, I.
1 / 1 shared
Paramasivam, I.
1 / 1 shared
Schmuki, P.
1 / 23 shared
Virtanen, Sannakaisa
1 / 231 shared
Chart of publication period
2020
2009

Co-Authors (by relevance)

  • Qu, Bokun
  • Thompson, Jonathan R.
  • Hoerdemann, C.
  • Lund, Peter A.
  • Dover, Lynn
  • Adesina, Janet O.
  • Villapún, Victor M.
  • González Sanchez, Sergio
  • Cox, S.
  • Dover, L. G.
  • Lund, Peter
  • Villapun Puzas, Victor Manuel
  • Cox, Sophie C.
  • González, S.
  • Thompson, J. R.
  • Adesina, J. O.
  • Qu, B.
  • Villapún, V. M.
  • Lund, P. A.
  • Cj, Holt
  • Eb, Henry
  • Jr, Lowe
  • Tc, Garfield
  • Ra, Faulkner
  • Pr, Hendley
  • Vn, Ghebranious
  • Smith, D.
  • Pr, Patel
  • Ds, Oskin
  • Ja, Lowry
  • Ar, Dodds
  • Jg, Carlisle
  • Roy, P.
  • Serebrennikova, I.
  • Paramasivam, I.
  • Schmuki, P.
  • Virtanen, Sannakaisa
OrganizationsLocationPeople

article

Optimizing the antimicrobial performance of metallic glass composites through surface texturing

  • Qu, Bokun
  • Thompson, Jonathan R.
  • Dover, L. G.
  • Hoerdemann, C.
  • Lund, Peter
  • Adesina, Janet O.
  • Wei, W.
  • Villapun Puzas, Victor Manuel
  • Cox, Sophie C.
  • González, S.
Abstract

<p>In the present work, we analyse the influence of laser texturing on the physicochemical and bactericidal properties of Cu<sub>55</sub>Zr<sub>40</sub>Al<sub>5</sub> Bulk Metallic Glass Composite (BMGC) to develop novel antimicrobial touch surfaces. Laser ablation was employed to increase the average roughness of BMGC samples from 0.08 ± 0.02 μm to 3.07 ± 0.96 μm using a maximum laser fluence of 2.82 J/cm<sup>2</sup>. This treatment also influenced surface chemistry causing the formation of CuO, CuO<sub>2</sub>, ZrO<sub>2</sub>, more prominent as the laser fluence was increased. Alongside chemical and topographic changes, the initial contact angle of the as-cast sample was found to increase from 85.81° to angles between 105.72° and 126.17° after texturing. The influence of these modifications on the antimicrobial performance of all rapidly solidified alloys was studied with Escherichia coli K12 modified to drive lux expression. Luminescence measurements revealed a reduction in bacterial growth as the laser fluence applied was risen. This increase in bactericidal effect as laser fluence rose was corroborated with recovery tests, which showed an increase in log reduction of E. coli K12 from 1.10 (for as-cast sample) to 2.16 (textured at 2.82 J/cm<sup>2</sup>) after 4 h of contact. Variations in bacterial morphology were observed with SEM imaging, specifically, a length increase of E. coli cells from 2 μm up to 20 μm could be observed in cells deposited on the textured surfaces. Deposited bacteria on laser treated samples revealed loss of membrane integrity, which along the aforementioned morphological changes suggest both external and DNA damage in all ablated samples. These findings reveal the possibility of tailoring the antimicrobial behaviour of BMGCs through laser texturing, which could be used as novel touch surfaces to tackle nosocomial infections along antibiotic resistance.</p>

Topics
  • surface
  • scanning electron microscopy
  • glass
  • glass
  • composite
  • luminescence
  • laser ablation