Search Results - "ZACHARIASSEN, KARL ERIK"

The mechanism by which fish antifreeze proteins cause thermal hysteresis by Kristiansen, Erlend, Zachariassen, Karl Erik

“…Antifreeze proteins are characterised by their ability to prevent ice from growing upon cooling below the bulk melting point. This displacement of the freezing…”
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Ice Nucleation and Antinucleation in Nature by Zachariassen, Karl Erik, Kristiansen, Erlend

“…Plants and ectothermic animals use a variety of substances and mechanisms to survive exposure to subfreezing temperatures. Proteinaceous ice nucleators trigger…”
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Physiological effects of hypercapnia in the deep-sea bivalve Acesta excavata (Fabricius, 1779) (Bivalvia; Limidae) by Hammer, Karen M., Kristiansen, Erlend, Zachariassen, Karl Erik

“…The option of storing CO 2 in subsea rock formations to mitigate future increases in atmospheric CO 2 may induce problems for animals in the deep sea. In the…”
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Salt-induced enhancement of antifreeze protein activity: A salting-out effect by Kristiansen, Erlend, Pedersen, Sindre Andre, Zachariassen, Karl Erik

“…Antifreeze proteins are a structurally diverse group of proteins characterized by their unique ability to cause a separation of the melting- and…”
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Ice nucleation in solutions and freeze-avoiding insects—homogeneous or heterogeneous? by Zachariassen, Karl Erik, Kristiansen, Erlend, Pedersen, Sindre Andre, Hammel, Harold T

“…This article challenges the common view that solutions and cold-hardy freeze-avoiding insects always freeze by heterogeneous nucleation. Data are presented to…”
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Effect of ice fraction and dilution factor on the antifreeze activity in the hemolymph of the cerambycid beetle Rhagium inquisitor by Zachariassen, Karl Erik, DeVries, Arthur L, Hunt, Ben, Kristiansen, Erlend

“…The freezing–melting hysteresis in a given volume of hemolymph from the cerambycid beetle Rhagium inquisitor was linearly and negatively related to the…”
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Routes of transpiratory water loss in a dry-habitat tenebrionid beetle by ZACHARIASSEN, K. E

“…ABSTRACT Routes of evaporative water loss in the tenebrionid beetle Phrynocolus petrosus Gerstaecker from dry savanna in East Africa were investigated. The…”
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Acute toxicity and toxicokinetics of 4-heptylphenol in juvenile atlantic cod (Gadus morhua L.) by Tollefsen, Knut-Erik, Ingebrigtsen, Kristian, Olsen, Anders Johny, Zachariassen, Karl Erik, Johnsen, Ståle

“…Heptylphenol has been detected in produced water from various oil production platforms in the Norwegian sector of the North Sea and may be of environmental…”
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Antifreeze effect of thermal hysteresis agents protects highly supercooled insects by Zachariassen, K.E, Husby, J.A

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Is fluoride-induced hyperthyroidism a cause of psychosis among East African immigrants to Scandinavia? by Zachariassen, Karl Erik, Flaten, Trond Peder

“…Summary East African immigrants to Scandinavia are admitted to mental hospitals far more frequently than native Scandinavians. Most of these patients are…”
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Do ice nucleating lipoproteins protect frozen insects against toxic chemical agents? by Trautsch, Janett, Rosseland, Bjørn Olav, Pedersen, Sindre Andre, Kristiansen, Erlend, Zachariassen, Karl Erik

“…[Display omitted] ► This study report an unusual metal binding capacity in ice nucleators. ► The metal binding may be important during freezing in…”
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Inorganic ions in cold-hardiness by Zachariassen, Karl Erik, Kristiansen, Erlend, Pedersen, Sindre Andre

“…Cold exposure and freezing may affect ion distribution in several ways and reduce physiologically important ionic gradients. Both freeze-avoiding and…”
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Nucleating agents in the haemolymph of insects tolerant to freezing by ZACHARIASSEN, KARL ERIK, HAMMEL, HAROLD T

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Thermal buffering in Afro-alpine plants due to nucleating agent-induced water freezing by Krog, John O, Zachariassen, Karl Erik, Larsen, Bjørn, Smidsrød, Olav

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Effects of dehydration on water content, metabolism, and body fluid solutes of a carabid beetle from dry savanna in East Africa by Bjerke, Ragnar, Zachariassen, Karl Erik

“…Carabid beetles of the genus Cyphaloba, which live on dry savanna in East Africa, were investigated with respect to water balance, metabolism and regulation of…”
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Physiology of cold hardiness in earthworms by Holmstrup, Martin, Zachariassen, Karl Erik

“…Physiological, biochemical and behavioral mechanisms involved in the winter survival of earthworms and earthworm cocoons are reviewed. Overwintering strategies…”
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Effect of freezing on the transmembrane distribution of ions in freeze-tolerant larvae of the wood fly Xylophagus cinctus (Diptera, Xylophagidae) by Kristiansen, Erlend, Zachariassen, Karl Erik

“…The present study shows that freezing of freeze-tolerant larvae of the wood fly Xylophagus cinctus caused Na +, K + and Mg ++ to move to electrochemical…”
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Volume regulation during dehydration of desert beetles by Zachariassen, Karl Erik, Pedersen, Sindre Andre

“…In arid areas in East Africa, dietary water is available only during the rainy seasons. Since the rainy seasons are separated by dry seasons, which may last…”
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ACUTE TOXICITY AND TOXICOKINETICS OF 4-HEPTYLPHENOL IN JUVENILE ATLANTIC COD (GADUS MORHUA L.) by Tollefsen, Knut-Erik, Ingebrigtsen, Kristian, Olsen, Anders Johny, Zachariassen, Karl Erik, Johnsen, Ståle

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Effects of ethoxyquin on the blood composition of turbot, Scophthalmus maximus L by Saxena, Tapati Bose, Zachariassen, Karl Erik, Jørgensen, Leif

“…Ethoxyquin (6-ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline (EQ) is a synthetic antioxidant used for preventing rancidity in animal foodstuffs. Three groups of…”
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