Detection of Micron and Submicron Particles in Human Bronchogenic Carcinomas.
J Nanosci Nanotechnol. 2019 May 1;19(5):2460-2466.
doi: 10.1166/jnn.2019.15842.
Čabanová K1, Bielniková H2, Motyka O1, Peikertová P1, Dčedková K1, Dvočráčcková J2, Hrabovská K3, Kukutschová J1.
Author information
Abstract
Metal based particles were detected in pulmonary tumor tissue samples and reference lung tissue samples (lung tissue without carcinoma) by Raman microspectroscopy and scanning electron microscopy. Many of these particles were in the size below 1 μm.
Using scanning electron microscopy, particles based on iron were found in the majority of samples. Siderite was determined as the form of the iron in several samples by Raman microspectroscopy. The hypothesis that significant statistical dependence
exists between the presence of metals in the lung tissue and lung cancer incidence was not proved. However, statistical dependence between smoking and lung cancer incidence was determined as well as insignificant correlation between the presence of
titanium based particles and lung cancer incidence. Titanium-based compounds were identified as TiO₂ in the form of anatase and rutile. Both the reference and the carcinoma samples exhibited magnetic properties as confirmed by vibration magnetometry
measurements.
PMID: 30501740 DOI: 10.1166/jnn.2019.15842
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