A novel technique, using energy dispersive X-ray microanalysis (EXA(tm)), for noninvasive intracellular (i.c.) measurement of magnesium [Mg2+](i) has now been accomplished and proven to be a valuable tool in multiple aspects of normal as well as pathological magnesium metabolism. Since only 1% of total body M2+ is found status with in the intravascular space, serum levels of Mg2+ give little information about a patient's overall Mg2+ respect to this essential mineral. Using the EXA(tm) analysis it has shown been determined that Ma(2+) levels are significantly reduced in many physiological states which may lead to serious pathological conditions [15]. Description of the methodology and examples of data as well as potential applications will focus on intracellular (i.c.) [Mg2+](i) determinations obtained in cells from subjects with cardiovascular disease (CVD) syndromes related to Mg2+ deficiency. Examples of the application of EXA(tm) evaluation include examination of intracellular magnesium and other minerals in a wide spectrum of conditions which include cardiovascular conditions, arrhythmias, heart failure, myocardial infarction. and bypass surgery. Standardization of control values were performed at NASA [12].
机构:
UNIV BRITISH COLUMBIA, VANCOUVER GEN HOSP, DEPT MED, DIV NEPHROL, VANCOUVER V5Z 4E3, BC, CANADAUNIV BRITISH COLUMBIA, VANCOUVER GEN HOSP, DEPT MED, DIV NEPHROL, VANCOUVER V5Z 4E3, BC, CANADA
ALGHAMDI, SMG
CAMERON, EC
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机构:
UNIV BRITISH COLUMBIA, VANCOUVER GEN HOSP, DEPT MED, DIV NEPHROL, VANCOUVER V5Z 4E3, BC, CANADAUNIV BRITISH COLUMBIA, VANCOUVER GEN HOSP, DEPT MED, DIV NEPHROL, VANCOUVER V5Z 4E3, BC, CANADA
CAMERON, EC
SUTTON, RAL
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UNIV BRITISH COLUMBIA, VANCOUVER GEN HOSP, DEPT MED, DIV NEPHROL, VANCOUVER V5Z 4E3, BC, CANADAUNIV BRITISH COLUMBIA, VANCOUVER GEN HOSP, DEPT MED, DIV NEPHROL, VANCOUVER V5Z 4E3, BC, CANADA
机构:
CTR HOP UNIV COCHIN,INST BIOL,CTR ETUDE METAB MAGNES,F-75674 PARIS 14,FRANCECTR HOP UNIV COCHIN,INST BIOL,CTR ETUDE METAB MAGNES,F-75674 PARIS 14,FRANCE
DURLACH, J
VIE MEDICALE AU CANADA FRANCAIS,
1977,
6
(02):
: 146
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