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PubMed1975

[Comparison of results of 99mTc-polyphosphate-camera-(sequence functional)-scintigraphy, 85Sr-, 87mSr-scanner-scintigraphy, and of radiologic methods in orthopedics].

Comparative studies between radiological (equals R; x-ray, thermography, angiography) and nuclear medical examinations (equals NM; scanner-, scintillation camera-sequential scintigraphy) in 339 patients with different bone diseases led to the following results: Thermography proved to be inferior to scanning in detecting of bone diseases. Angiography was the procedure of choice in detecting malignant bone tumors. Sequential scintigraphy performed by means of the Anger-HP-scintillation camera and Intertechnique-Cine-System allowed to establish the kinetic behaviour of tumors: an early increased TcPoP accumulation was observed in tumors with high perfusion (sarcoma), a late accumulation in those with low perfusion (osteoid osteoma).

Angiography↗
PubMed1975

Polyphosphate bone scanning of non-malignant bone disease in children.

The advent of 99mTechnetium phosphate bone scanning radiopharmaceuticals has opened new methods of investigation of pediatric bone diseases. In axial skeleton pain, suspected osteomyelitis, evaluation of vascular integrity and suspected but undetected fractures, the bone scan has proved to be a highly complementary study to the radiologic examination.

Adolescent↗
PubMed2003

Polyhydroxyalkanoate form and polyphosphate regulation: keys to biological phosphorus and glycogen transformations?

Experimental studies with both synthetic and real domestic wastewater showed that poly-3-hydroxy-butyrate (3HB) and poly-3-hydroxy-valerate (3HV) formed in direct proportion to the acetate/propionate (Ace/Pro) ratio of the influent wastewater during Enhanced Biological Phosphorus Removal (EBPR). Acetic acid resulted in higher anaerobic phosphorus (P) release, polyhydroxyalkanoate (PHA) yield, 3HB content, and glycogen (CH) degradation. Linear regression showed that anaerobic P release (Prel) and CH degradation (CHdeg) were both a function of Ace-->3HB, but not of Pro-->3HV. Aerobic P uptake (Pup) correlated best with preceding Prel, rather than PHA (but note Prel correlated with Ace-->3HB). Aerobic CH formation (CHform) correlated best with CHdeg and 3HB. The results imply the acetate/propionate content of influent has a major influence on PHA, CH, and P transformations. Short-term increases in acetic or propionic acid increased Prel, but were always offset by corresponding changes in Pup to yield the same net P removal as the control reactor. Thus net P removal, and EBPR process performance, was probably a function of the population selected (i.e. XPAO fraction) during long-term cultivation.

Bacteria, Anaerobic↗