Proton microprobe and particle induced X-ray emission (PIXE) analysis for studies of pathological brain tissue
Journal Article
·
· Scan. Microsc.; (United States)
OSTI ID:6442495
Particle Induced X-ray Emission and proton microprobe analyses have been applied for the investigation of regional elemental distributions in connection with various pathological states in the brain. Malignant brain tumors and adjacent histologically intact tissue removed during surgery were analysed with PIXE. Systematic elemental variations, e.g., for calcium and selenium, were observed in the tumor front. The proton microprobe was applied to study the Ca and K concentrations in various cell strata in hippocampus following transient ischaemia in rat brain. Significant increases in the Ca level occurred in selectively vulnerable cells within 48 h after the ischaemia.
- Research Organization:
- Dept. Nuclear Physics, Lund (Sweden)
- OSTI ID:
- 6442495
- Journal Information:
- Scan. Microsc.; (United States), Vol. 2:3
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
59 BASIC BIOLOGICAL SCIENCES
BRAIN
QUANTITATIVE CHEMICAL ANALYSIS
CALCIUM
CHEMICAL COMPOSITION
ELECTRON MICROPROBE ANALYSIS
NEOPLASMS
PATHOLOGY
POTASSIUM
RATS
X-RAY EMISSION ANALYSIS
ALKALI METALS
ALKALINE EARTH METALS
ANIMALS
BODY
CENTRAL NERVOUS SYSTEM
CHEMICAL ANALYSIS
DISEASES
ELEMENTS
MAMMALS
METALS
MICROANALYSIS
NERVOUS SYSTEM
NONDESTRUCTIVE ANALYSIS
ORGANS
RODENTS
VERTEBRATES
550901* - Pathology- Tracer Techniques
BRAIN
QUANTITATIVE CHEMICAL ANALYSIS
CALCIUM
CHEMICAL COMPOSITION
ELECTRON MICROPROBE ANALYSIS
NEOPLASMS
PATHOLOGY
POTASSIUM
RATS
X-RAY EMISSION ANALYSIS
ALKALI METALS
ALKALINE EARTH METALS
ANIMALS
BODY
CENTRAL NERVOUS SYSTEM
CHEMICAL ANALYSIS
DISEASES
ELEMENTS
MAMMALS
METALS
MICROANALYSIS
NERVOUS SYSTEM
NONDESTRUCTIVE ANALYSIS
ORGANS
RODENTS
VERTEBRATES
550901* - Pathology- Tracer Techniques