NDLI: High-resolution identification of mercury in particles in mouse kidney after acute lethal exposure – A study by Scanning Electron Microscopy coupled with X-ray Elemental Microanalysis

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High-resolution identification of mercury in particles in mouse kidney after acute lethal exposure – A study by Scanning Electron Microscopy coupled with X-ray Elemental Microanalysis

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BioMetals : Volume 16, Issue 3, September 2003

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High-resolution identification of mercury in particles in mouse kidney after acute lethal exposure – A study by Scanning Electron Microscopy coupled with X-ray Elemental Microanalysis

Content Provider	Springer Nature Link
Author	Cunha, Elisabete M. Silva, Daniela P. Águas, Artur P.
Copyright Year	2003
Abstract	Contamination of the food chain by mercury is a major concern of Public Health of our day. Kidney and nervous system are the major targets of mercury toxicity in mammals. We show here that the detailed subcellular in vivo topography of microparticles of mercury in tissues can be achieved by scanning electron microscopy (SEM) coupled with X-ray elemental microanalysis (XRM). SEM-XRM offered the fine topography of mercury in the kidney of BALB/c mice that were submitted to an intraperitoneal lethal injection of mercuric chloride (HgCl2). All of the renal mercury was seen inside blood vessels located in both cortex and medulla of the mouse kidney. This blood-born mercury was organised in spheroid particles of less than 50 nm in diameter (31.4±14.1 nm). They were seen attached either to aggregates of plasma proteins or to the surface of blood cells. No evidence of internalisation of mercury by blood, endothelial or kidney cells was found. The average kidney density of mercury microspheres was 1920±1320 particles per mmsup b2b sup. We propose SEM-XRM as an elective approach to further investigations, at the subcellular level, on the quantitative dynamics of mercury particles in the tissues.
Starting Page	583
Ending Page	590
Page Count	8
File Format	PDF
ISSN	09660844
Journal	BioMetals
Volume Number	16
Issue Number	4
e-ISSN	15728773
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2003-01-01
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Physical Chemistry Biochemistry
Content Type	Text
Resource Type	Article
Subject	Metals and Alloys Biochemistry, Genetics and Molecular Biology Biomaterials Agricultural and Biological Sciences

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