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Showing 1 to 12 of 59 entries
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Survival of freezing by free-living Antarctic soil nematodes.

Cryo letters

Convey P, Worland MR.
PMID: 12148024
Cryo Letters. 2000 Nov-Dec;21(6):327-332.

Free-living microbivorous nematodes become numerically dominant in Antarctic terrestrial faunas as environmental conditions become more severe, while also reaching very high levels of abundance in moist, vegetated habitats. Nematodes have little resistance to freezing via exogenous ice nucleation, such...

Recovery of embryos of Zizania palustris following exposure to liquid nitrogen.

Cryo letters

Touchell D, Walters C.
PMID: 12148031
Cryo Letters. 2000 Sep-Oct;21(5):261-270.

Factors affecting survival of embryos of Zizania palustris after exposure to liquid nitrogen were investigated. Moisture content was the most critical factor. Embryos desiccated to a moisture content between 0.36 and 0.56 g water per g dry weight had...

The history of cold hardiness research in terrestrial arthropods.

Cryo letters

S mme L.
PMID: 12148033
Cryo Letters. 2000 Sep-Oct;21(5):289-296.

R.A.F. Reaumur in 1736 was the first entomologist to observe that some insects can tolerate freezing, while others cannot. The first reviews on insect cold hardiness were published by P. Bachmetjew who also discovered supercooling in insects. Authors like...

Development of a shoot-tip vitrification protocol and comparison with encapsulation-based procedures for plum (Prunus domestica L.) cryopreservation.

Cryo letters

Carlo AD, Benelli C, Lambardi M.
PMID: 12148038
Cryo Letters. 2000 Jul-Aug;21(4):215-222.

Cryopreservation of plum (Prunus domestica L.), cv Regina Claudia, was obtained by a vitrification/one-step cooling procedure of shoot tips from cold-hardened in vitro-grown plants. Best survival (57%) was obtained when the shoot tips were precultured at 4 degree C...

Cold acclimation improves recovery of cryopreserved grass (Zoysia and Lolium sp.).

Cryo letters

Chang Y, Barker RE, Reed BM.
PMID: 12148055
Cryo Letters. 2000 Mar-Apr;21(2):107-116.

Cold acclimation of Lolium L. and Zoysia Willd. Grass cultivars significantly increased regrowth of cryopreserved meristems. One wk of cold acclimation improved recovery following cryopreservation but extended acclimation (4-8 wk) resulted in the best regrowth. Cold acclimation also significantly...

Simultaneous preservation of orchid seed and its fungal symbiont using encapsulation-dehydration is dependent on moisture content and storage temperature.

Cryo letters

Wood CB, Pritchard HW, Miller AP.
PMID: 12148057
Cryo Letters. 2000 Mar-Apr;21(2):125-136.

Seeds of Dactylorhiza fuchsii (common spotted orchid) and Anacamptis morio (green-winged orchid) were encapsulated in alginate beads with hyphae of the basidomycete fungus Ceratobasidium cornigerum. Pre-treatment of beads for 18 h with sucrose at an optimum concentration of 0.75...

Long-term retention of ice-nucleating active Pseudomonas fluorescens by overwintering colorado potato beetles.

Cryo letters

Castrillo LA, Lee RE, Lee MR, Wyman JA.
PMID: 12148058
Cryo Letters. 2000 Jan-Feb;21(1):5-12.

Ice nucleating-active Pseudomonas fluorescens F264C was fed to Colorado potato beetles to determine bacterial retentioin in the beetle gut and its effect on the cold hardiness of this insect pest. The bacrterium was present in beetles recovered after overwintering...

Beneficial effect of post -thawing osmoconditioning on the recovery of cryopreserved coffee (Coffea arabica L.) seeds.

Cryo letters

Dussert S, Chabrillange N, Vasquer N, Engelmann F, Anthony F, Guyot A, Hamon S.
PMID: 12148064
Cryo Letters. 2000 Jan-Feb;21(1):47-52.

Osmoconditioning-controlled rehydration of seeds in a solution with low osmotic potential -has been shown to reinvigorate aged seeds. The present work aimed at investigating the effect of osmoconditioning on the germination of cryopreserved seeds of Coffea arabica, whose viability...

Writing on the wall.

Cryo letters

Fuller B.
PMID: 11820185
Cryo Letters. 2001 Jan-Feb;22(1):1-2.

No abstract available.

Rapid cold hardening: a gut feeling.

Cryo letters

Worland MR, Convey P, Luke ov A.
PMID: 12148036
Cryo Letters. 2000 Sep-Oct;21(5):315-324.

This study examined the rate of cold hardening of a field population of Antarctic springtails and the effect of eating food with particular levels of ice nucleating activity on the animal's whole body freezing point. The SCPs of samples...

Cryopreservation of seeds of a Thai orchid (Doritis pulcherrima lindl. ) by vitrification.

Cryo letters

Thammasiri K.
PMID: 12148041
Cryo Letters. 2000 Jul-Aug;21(4):237-244.

Seeds from selfing of a Thai orchid (Doritis pulcherrima Lindl.) were successfully cryopreserved in liquid nitrogen (LN) using the vitrification method. Seeds from 3-month-old pods were sufficiently dehydrated in 2 ml cryotubes filled with highly concentrated vitrification solution (PVS2)...

The effect of temperature-dependent thermal conductivity in heat transfer simulations of frozen biomaterials.

Cryo letters

Rabin Y.
PMID: 12148047
Cryo Letters. 2000 May-Jun;21(3):163-170.

The thermal conductivity value of pure water ice is inversely proportional to the temperature and decreases about 5-fold as the temperature increases from the liquid nitrogen boiling temperature (77 K to the freezing point of pure water. The temperature...

Showing 1 to 12 of 59 entries