NDLI: Investigation of CNTs interaction with fibroblast cells

Content Provider	IEEE Xplore Digital Library
Author	Pensabene, V. Vittorio, O. Raffa, V. Menciassi, A. Dario, P.
Copyright Year	2007
Abstract	The need for toxicological studies on carbon nanotubes (CNTs) has arisen from the rapidly emerging applications of CNTs well beyond material science and engineering. In order to provide a method to collect data about toxicology, we characterized by scanning electron microscopy (SEM), by Energy Dispersive X-ray Spectrometry (EDS) analysis and by Focused Ion Beam (FIB) microscopy different kinds of treated CNTs. The bio-interaction was investigated seeding Crandell feline kidney fibroblasts with CNT-modified medium; a dedicated sample preparation by FIB has been defined to fix cells. In the present study, the cytotoxic effects of CNTs with 91% and 97% of purity were compared and changes in the growth behaviour of cells after 3 days in culture with modified medium have been recorded, considering also the distribution of CNTs within cells. While lower purified CNTs induced a slight cytotoxic effect, homogeneously suspended CNTs with high purity were less cytotoxic, and the rate of cell growth remained constant. CNTs aggregated in bundles, showed high adhesion on cell membrane. Interestingly, CNTs bundles were observed inside cells, underneath the cell membrane, and despite of that, cells were extended, in good vitality conditions and no cell-degeneration was observed.
Starting Page	6620
Ending Page	6623
File Size	1137024
Page Count	4
File Format	PDF
ISBN	9781424407873
ISSN	1557170X
DOI	10.1109/IEMBS.2007.4353877
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-08-22
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fibroblasts Cells (biology) Scanning electron microscopy Toxicology Biomembranes Carbon nanotubes Materials science and technology Power engineering and energy Electron beams Dispersion
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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