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Serum lactate dehydrogenase isoenzyme pattern in neuroblastoma (1976)

Kinumaki, H. ; Takeuchi, H. ; Ohmi, K.

Springer

European journal of pediatrics 123 (1976), S. 83-87

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ISSN: 1432-1076

Keywords: Lactate dehydrogenase ; Lactate dehydrogenase isoenzymes ; Neuroblastoma

Source: Springer Online Journal Archives 1860-2000

Topics: Medicine

Notes: Abstract Total serum LDH activity and isoenzyme distribution were studied in children with neuroblastoma at the time of hospital admission. The total LDH was determined in 26 cases, and 20 (77%) of them showed elevation of its activity. On the other hand, in 9 of these 26 cases, the isoenzyme distribution was determined along with the total LDH. All 9 cases, 4 of them with normal total LDH activity, showed an abnormal isoenzyme pattern with a percentage increase in the intermediate fractions (malignant pattern). The results suggest the usefulness of the determination of serum LDH isoenzymes as a screening procedure in children with malignant tumors including neuroblastoma.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00442638

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Numerical simulation and hydrodynamic visualization of transient viscous flow around an oscillating aerofoil (1989)

Daube, O. ; Phuoc, L. Ta ; Dulieu, A. ; [et al.]

Chichester : Wiley-Blackwell

International Journal for Numerical Methods in Fluids 9 (1989), S. 891-920

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ISSN: 0271-2091

Keywords: Transient flows ; Oscillating aerofoil ; Dynamic stall ; Navier-Stokes equations ; Finite differences ; Engineering ; Engineering General

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics

Notes: Unsteady viscous flow around a large-amplitude and high-frequency oscillating aerofoil is examined in this paper by numerical simulation and experimental visualization. The numerical method is based on the combination of a fourth-order Hermitian finite difference scheme for the stream function equation and a classical second-order scheme to solve the vorticity transport equation. Experiments are carried out by a traditional visualization method using solid tracers suspended in water. The comparison between numerical and experimental results is found to be satisfactory. Time evolutions of the flow structure are presented for Reynolds numbers of 3 × 103 and 104. The influence of the amplitude and frequency of the oscillating motion on the dynamic stall is analysed.

Additional Material: 10 Ill.