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Nanobubbles: a new paradigm for air-seeding in xylem

(2015) TRENDS IN PLANT SCIENCE. 20(4). p.199-205
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Abstract
Long-distance water transport in plants relies on a system that typically operates under negative pressure and is prone to hydraulic failure due to gas bubble formation. One primary mechanism of bubble formation takes place at nanoporous pit membranes between neighboring conduits. We argue that this process is likely to snap off nanobubbles because the local increase in liquid pressure caused by entry of air-water menisci into the complex pit membrane pores would energetically favor nanobubble formation over instant cavitation. Nanobubbles would be stabilized by surfactants and by gas supersaturation of the sap, may dissolve, fragment into smaller bubbles, or create embolisms. The hypothesis that safe and stable nanobubbles occur in plants adds a new component supporting the cohesion-tension theory.
Keywords
cohesion tension theory, HYDRAULIC CONDUCTIVITY RECOVERY, xylem embolisms, nanobubbles, Blake threshold, surfactants, STRETCHED LIQUID WATER, GLASS SPG MEMBRANES, PIT MEMBRANES, SURFACE-TENSION, BUBBLE COALESCENCE, EMBOLISM REPAIR, NEGATIVE-PRESSURE, ACER-SACCHARUM, POROUS-MEDIA

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Citation

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Chicago
Schenk, H Jochen, Kathy Steppe, and Steven Jansen. 2015. “Nanobubbles: a New Paradigm for Air-seeding in Xylem.” Trends in Plant Science 20 (4): 199–205.
APA
Schenk, H. J., Steppe, K., & Jansen, S. (2015). Nanobubbles: a new paradigm for air-seeding in xylem. TRENDS IN PLANT SCIENCE, 20(4), 199–205.
Vancouver
1.
Schenk HJ, Steppe K, Jansen S. Nanobubbles: a new paradigm for air-seeding in xylem. TRENDS IN PLANT SCIENCE. 2015;20(4):199–205.
MLA
Schenk, H Jochen, Kathy Steppe, and Steven Jansen. “Nanobubbles: a New Paradigm for Air-seeding in Xylem.” TRENDS IN PLANT SCIENCE 20.4 (2015): 199–205. Print.
@article{6865041,
  abstract     = {Long-distance water transport in plants relies on a system that typically operates under negative pressure and is prone to hydraulic failure due to gas bubble formation. One primary mechanism of bubble formation takes place at nanoporous pit membranes between neighboring conduits. We argue that this process is likely to snap off nanobubbles because the local increase in liquid pressure caused by entry of air-water menisci into the complex pit membrane pores would energetically favor nanobubble formation over instant cavitation. Nanobubbles would be stabilized by surfactants and by gas supersaturation of the sap, may dissolve, fragment into smaller bubbles, or create embolisms. The hypothesis that safe and stable nanobubbles occur in plants adds a new component supporting the cohesion-tension theory.},
  author       = {Schenk, H Jochen and Steppe, Kathy and Jansen, Steven},
  issn         = {1360-1385},
  journal      = {TRENDS IN PLANT SCIENCE},
  keyword      = {cohesion tension theory,HYDRAULIC CONDUCTIVITY RECOVERY,xylem embolisms,nanobubbles,Blake threshold,surfactants,STRETCHED LIQUID WATER,GLASS SPG MEMBRANES,PIT MEMBRANES,SURFACE-TENSION,BUBBLE COALESCENCE,EMBOLISM REPAIR,NEGATIVE-PRESSURE,ACER-SACCHARUM,POROUS-MEDIA},
  language     = {eng},
  number       = {4},
  pages        = {199--205},
  title        = {Nanobubbles: a new paradigm for air-seeding in xylem},
  url          = {http://dx.doi.org/10.1016/j.tplants.2015.01.008},
  volume       = {20},
  year         = {2015},
}

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