J 2015

Influence of laser ablation parameters on trueness of imaging

VACULOVIČ, Tomáš, Tereza WARCHILOVÁ, Zuzana ČADKOVÁ, Jiřina SZÁKOVÁ, Pavel TLUSTOŠ et. al.

Basic information

Original name

Influence of laser ablation parameters on trueness of imaging

Authors

VACULOVIČ, Tomáš (203 Czech Republic, guarantor, belonging to the institution), Tereza WARCHILOVÁ (203 Czech Republic, belonging to the institution), Zuzana ČADKOVÁ (203 Czech Republic), Jiřina SZÁKOVÁ (203 Czech Republic), Pavel TLUSTOŠ (203 Czech Republic), Vítězslav OTRUBA (203 Czech Republic, belonging to the institution) and Viktor KANICKÝ (203 Czech Republic, belonging to the institution)

Edition

Applied Surface Science, Amsterdam, Elsevier Science, 2015, 0169-4332

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10406 Analytical chemistry

Country of publisher

Czech Republic

Confidentiality degree

není předmětem státního či obchodního tajemství

Impact factor

Impact factor: 3.150

RIV identification code

RIV/00216224:14740/15:00081675

Organization unit

Central European Institute of Technology

UT WoS

000359496600038

Keywords in English

laser ablation; ICP-MS; imaging; tapeworm

Tags

Změněno: 12/4/2016 12:47, Mgr. Eva Špillingová

Abstract

V originále

Influence of laser ablation conditions on limit of detection, spatial resolution and time of analysis was studied for laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) applied to elemental mapping. Laser repetition rate and laser fluence were investigated in tapeworm thin section to attain optimum ablation rate yielding appropriately low detection limit which complies with elemental contents in the tissue. Effect of combinations of laser spot size and scan speed on relative broadening (wrel) of image of the ablated pattern (line) was investigated with the aim to quantify the trueness of imaging. Ink lines printed on paper were employed for the study of influence of spot size and scan speed on limit of detection, relative broadening of elemental image and duration of elemental mapping. An uneven distribution of copper in a printed line (coffee stain effect) was observed. The wrel is strongly reduced (down to 2 %) at low scan speed (10 um s-1) and laser spot diameter of 10 um but with resulting unacceptably long time of mapping (up to 3000 min). Finally, tapeworm thin section elemental maps (4 mm x 5 mm) were obtained at the laser spot diameter of 65 um and the scan speed of 65 um s-1 within 100 minutes. A dissimilar lateral distribution of Pb was observed in comparison with that of Cu or Zn due to different pathways of element uptake.

Links

ED1.1.00/02.0068, research and development project
Name: CEITEC - central european institute of technology
GA13-18154S, research and development project
Name: Prvkové mapování těžkých kovů v rostlinných a živočišných akumulátorech; kde se akumulují?
Investor: Czech Science Foundation