The problem of water exchange by living cells in the light of mechanistic transport equations

• Autorzy: Kargol M , Suchanek G. , Przestalski M. , Siedlecki J. , Kargol A.
• Języki publikacji: EN

Abstrakty

EN

Each living cell must, while performing its life functions, constantly exchange water with its surroundings. This occurs through the cell membrane. In the present paper, we have made an attempt to explain the biophysical basis of this water exchange, realized under stationary conditions, i. e. at constant cell volume. For the investigation, the mechanistic equations for membrane transport have been applied. It has been demonstrated that each living cell which subsists under stationary conditions is capable of water absorption and simultaneous water removal to its surroundings. Water absorption is osmosis-driven, while water removal is driven by the mechanical pressure difference (the turgor pressure). These are new, and very significant, research results. This stationary water exchange cannot be explained on the basis of thermodynamic transport equations.

Słowa kluczowe

EN

transport equation; surroundings; cell membrane; water exchange; cell; living cell; light; exchange mechanism

• Wydawca: -
• Czasopismo: Polish Journal of Environmental Studies
• Rocznik: 2005
• Tom: 14
• Numer: 5
• Opis fizyczny: p.605-611,ref.

Twórcy

autor

Kargol M

• Swietokrzyska Academy, Swietokrzyska 15, 25-406 Kielce, Poland

autor

Suchanek G.

autor

Przestalski M.

autor

Siedlecki J.

autor

Kargol A.

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