Capillary exchange

The third mechanism of capillary exchange is bulk flow. In this case, water and dissolved solutes move across capillaries due to hydrostatic pressure and osmotic pressure. When the balance of these two forces causes fluid to move out of the capillary, it is referred to as filtration. When these forces cause fluid to move into the capillary, it is referred to as reabsorption. 

Several reports concerning the development of stable and rugged sheathless interfaces were proposed. The first sheathless interface was developed by Olivares et al., and two types of sheathless interfaces are currently distinguished. The first one consists of a nanospray needle, which is inserted with a connection unit to the CE capillary. This setup allows changing the spray needle alone independently on the capillary exchange.The second approach involves the use of the end of capillary tip as an emitter with the help of a capillary-outlet conductive coating " or by inserting a conductive wire into the capillary outlet. 

Tsoukias N.M. and Popel A.S. A model of nitric oxide capillary exchange. Microcirculation 10 479M95,2003. 

J. O Grady, Clinics Haematol., 1980, 9, 535 D.M. Cocchetto, Seminars Thromb. Haemostasis, 1981, 7, 43 Advances in Physiological Science, Vol. 7. Cardiovascular Physiology, Microcirculation, and Capillary Exchange , eds. A.G.B. Kovach, J. Hamad, and L. Szabo, Akad. Klado, Budapest, 1981 ... 

Cremer, J. E. and Cunningham, V. J. (1981) Properties of transport processes of the blood-brain barrier during development. In Kovach, A. G. B., Hamar, J. and Szabo, L. (eds). Advances in Physiological Science, vol. 7 Cardiovascular Physiology, Microcirculation and Capillary Exchange (London Pergamon Press)... 

Oil Contamination of Helium Gas. For more than 20 years, helium gas has been used in a variety of nuclear experiments to collect, carry, and concentrate fission-recoil fragments and other nuclear reaction products. Reaction products, often isotropically distributed, come to rest in helium at atmospheric concentration by coUisional energy exchange. The helium is then allowed to flow through a capillary and then through a pinhole into a much higher vacuum. The helium thus collects, carries, and concentrates products that are much heavier than itself, electrically charged or neutral, onto a detector... 

FIGURES. 17 Gas exchange beev/een alveolar and capillary compartmencs. 

Alveolar ventilation supplies O2 to the bloodstream while alveolar capillary perfusion provides alveolar gas with COj. Resting individuals consume approximately 250 mL 02/min and produce approximately 200 ml. COi/min because, stoichiometrically, metabolic processes require a greater supply of O, than the quantity of CO2 produced. Defining the respiratory exchange ratio, R, as... 

Weislogel MM, Lichter S (1998) Capillary flow in an interior corner. 1 Eluid Mech 373 349-378 Wu PY, Little WA (1984) Measurement of the heat transfer characteristics of gas flow a fine channels heat exchangers used for microminiature refrigerators. Cryogenics 24 415 20 Xu X, Carey VP (1990) Film evaporation from a micro-grooved surface an approximate heat transfer model and its comparison with experimental data. J Thermophys 4(4) 512-520 Yarin LP, Ekelchik LA, Hetsroni G (2002) Two-phase laminar flow in a heated micro-channels. Int J Multiphase Flow 28 1589-1616... 

Goresky CA, Rose CP. Blood-tissue exchange in liver and heart the influence of heterogeneity of capillary transit times. Fed Proc 1977 36 2629-34. 

Bassingthwaighte JB, Wang CY, Chan IS. Blood-tissue exchange via transport and transformation by capillary endothelial cells. Circ Res 1989 65 997-1020. 

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