Disease relevance of phosphorus

• Verapamil preserves myocardial performance and energy metabolism in left ventricular hypertrophy following ischemia and reperfusion. Phosphorus 31 magnetic resonance spectroscopy study [1].
• BACKGROUND: Phosphorus magnetic resonance spectroscopy (31P-MRS) in vivo has been suggested recently as a possible noninvasive diagnostic test in malignant hyperthermia (MH) susceptibility [2].
• OBJECTIVE: We evaluated the effect of antegrade and retrograde brain perfusion during moderate hypothermic circulatory arrest at 28 degrees C. METHODS: Phosphorus 31-magnetic resonance spectroscopy was used to follow brain energy metabolites and intracellular pH in pigs during 2 hours of ischemia and 1 hour of reperfusion [3].
• OBJECTIVE: Phosphorus 31 magnetic resonance spectroscopy studies were carried out on placentas from normal vaginal and elective cesarean deliveries without antenatal complications and from pregnancies complicated by intrauterine growth retardation of unknown cause to determine differences [4].
• Efficacy of an Escherichia coli Phytase in Broilers Fed Adequate or Reduced Phosphorus Diets and Its Effect on Carcass Characteristics [5].

High impact information on phosphorus

• Manganese Deficiency in Chlamydomonas Results in Loss of Photosystem II and MnSOD Function, Sensitivity to Peroxides, and Secondary Phosphorus and Iron Deficiency [6].
• Quantitative Profiling of Arabidopsis Polar Glycerolipids in Response to Phosphorus Starvation. Roles of Phospholipases D{zeta}1 and D{zeta}2 in Phosphatidylcholine Hydrolysis and Digalactosyldiacylglycerol Accumulation in Phosphorus-Starved Plants [7].
• The method is used here to certify the amount of phosphorus in SRM 2133 (Phosphorus Implant in Silicon Depth Profile Standard) as (9.58 +/- 0.16) x 10(14) atoms x cm(-2) [8].
• 1. Phosphorus nuclear-magnetic-resonance measurements were made on rat vastus lateralis muscle [9].
• Regarding "Phosphorus 31 nuclear magnetic resonance spectroscopy suggests a mitochondrial defect in claudicating skeletal muscle" [10].

Chemical compound and disease context of phosphorus

• [Kopácek J, Borovec J, Hejzlar J, Ulrich K, Norton S, Amirbahman A. Aluminum control of Phosphorus Sorption in Lake Sediments. Environ Sci Technol 2005; 39: 8784-8789.], despite the development of anoxia in and the release of Fe(II) from the hypolimnia of the two study lakes [11].
• The Phosphorus Source Phytate Changes the Composition of the Cell Wall Proteome in Bacillus subtilis [12].

Biological context of phosphorus

• Calcium and phosphorus requirements of the ewe during pregnancy and lactation. 2. Phosphorus [13].
• Effect of dietary calcium: Phosphorus ratio on bone mineralization and intestinal calcium absorption in ovariectomized rats [14].
• Classical syndromes in occupational medicine: Phosphorus necrosis--a classical occupational disease [15].
• Nitrogen Fixation by White Lupin under Phosphorus Deficiency [16].

Anatomical context of phosphorus

• CONCLUSIONS: Phosphorus 31 MRS provides the first direct evidence of defective energy metabolism in the mitochondria of claudicating calf muscle [17].
• Anomalous Dispersion with Edges in the Soft X-ray Region: First Results of Diffraction from Single Crystals of Ribosomes Near the K-Absorption Edge of Phosphorus [18].
• The effect of two doses of Phosphorus (P) supplementation to pooled breast milk (BM): 0.48 and 0.800 mmol/kg/24 h given during the second month of life was evaluated in 22 very low birthweight infants [19].
• The distribution of Calcium and Phosphorus and of Na, K, S and Cl was studied in the mineralizing matrices and strata of ameloblasts and odontoblasts in developing mouse molars (5-14 days) [20].

Associations of phosphorus with other chemical compounds

• METHODS: Phosphorus 31-magnetic resonance spectroscopy was used to observe cellular energetics and intracellular pH in isolated pig hearts perfused with blood (group A, n = 8) or blood enriched with 13 mmol/L each of L-aspartate and L-glutamate (group B, n = 6) [21].
• The SEM and X-ray microanalyses of coral granules implanted in humans indicate an osteoconductive property for both Calcium and Phosphorus [22].
• Amino acids and peptides. XXXI. Phosphorus in organic synthesis. XVIII. Synthesis of porcine motilin by the solid-phase method using diphenyl phosphorazidate(DPPA) and diethyl phosphorocyanidate(DEPC) [23].
• Six homeopathic remedies (Arnica montana D4, Apis mellifica D4, D30, Atropa belladonna D4, Hamamelis virginiana D4, Lachesis D6, D30, Phosphorus D6, D30), saline and indomethacin were tested [24].

Gene context of phosphorus

• 0. Phosphorus analysis revealed that the Glut1 zone at pH 8 contained more phospholipids than did the other one [25].
• An evaluation of a colorimetric kit method for the determination of inorganic phosphate (Pierce Phosphorus Auto/Stat Kit) is described [26].
• Amino acids and peptides. XXIV. Phosphorus in organic synthesis. XIII. Application of diphenyl phosphorazidate (DPPA) to the synthesis of the protected N-terminal hexapeptide of secretin [27].
• Amino acids and peptides. XXV. Phosphorus in organic synthesis. XIV. Application of diphenyl phosphorazidate (DPPA) to the synthesis of the N-terminal hexapeptide of the vasoactive intestinal peptide [28].
• Percentage reduction of FRP (Filterable Reactive Phosphorus) was similar to TP; NOx removal was 97-98% [29].

Analytical, diagnostic and therapeutic context of phosphorus

• Structural deviations at CpG provide a plausible explanation for the high frequency of mutation at this site. Phosphorus nuclear magnetic resonance and circular dichroism studies [30].

References