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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.8b02831
|2 doi
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|a pubmed24n0971.xml
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|a (NLM)30514081
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a de Vries, Reinier J
|e verfasserin
|4 aut
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| 245 |
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|a Bulk Droplet Vitrification
|b An Approach to Improve Large-Scale Hepatocyte Cryopreservation Outcome
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 24.06.2020
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|a Date Revised 07.01.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Loss of hepatocyte viability and metabolic function after cryopreservation is still a major issue. Although vitrification is a promising alternative, it has generally been proven to be unsuitable for vitrification of large cell volumes which is required for clinical applications. Here, we propose a novel bulk droplet (3-5 mm diameter) vitrification method which allows high throughput volumes (4 mL/min), while using a low preincubated CPA concentration (15% v/v) to minimize toxicity and loss of cell viability and function. We used rapid (1.25 s) osmotic dehydration to concentrate a low preincubated intracellular CPA concentration ahead of vitrification, without the need of fully equilibrating toxic CPA concentrations. We compared direct postpreservation viability, long-term viability, and metabolic function of bulk droplet vitrified, cryopreserved, and fresh hepatocytes. Simulations and cooling rate measurements confirmed an adequate concentration of the intracellular CPA concentration (up to 8.53 M) after dehydration in combination with high cooling rates (960-1320 °C/min) for successful vitrification. In comparison to cryopreserved hepatocytes, bulk droplet vitrified hepatocytes had a significantly higher viability, directly after preservation and after 1 day in culture. Moreover, bulk droplet vitrified hepatocytes had evidently better morphology and showed significantly higher metabolic activity than cryopreserved hepatocytes in long-term collagen sandwich cultures. In conclusion, we developed a novel bulk droplet vitrification method of which we validated the theoretical background and demonstrated the feasibility to use this method to vitrify large cell volumes. Moreover, we showed that this method results in improved hepatocyte viability and metabolic function as compared to cryopreservation
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|a Journal Article
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|a Research Support, N.I.H., Extramural
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| 650 |
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|a Research Support, Non-U.S. Gov't
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| 650 |
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|a Research Support, U.S. Gov't, Non-P.H.S.
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| 700 |
1 |
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|a Banik, Peony D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nagpal, Sonal
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Weng, Lindong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ozer, Sinan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a van Gulik, Thomas M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Toner, Mehmet
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tessier, Shannon N
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Uygun, Korkut
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 35(2019), 23 vom: 11. Juni, Seite 7354-7363
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:35
|g year:2019
|g number:23
|g day:11
|g month:06
|g pages:7354-7363
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|u http://dx.doi.org/10.1021/acs.langmuir.8b02831
|3 Volltext
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