Formation of stable submicron peptide or protein particles by thin film freezing
Abstract
The present invention includes compositions and methods for preparing micron-sized or submicron-sized particles by dissolving a water soluble effective ingredient in one or more solvents; spraying or dripping droplets solvent such that the effective ingredient is exposed to a vapor-liquid interface of less than 50, 100, 150, 200, 250, 200, 400 or 500 cm−1 area/volume to, e.g., increase protein stability; and contacting the droplet with a freezing surface that has a temperature differential of at least 30° C. between the droplet and the surface, wherein the surface freezes the droplet into a thin film with a thickness of less than 500 micrometers and a surface area to volume between 25 to 500 cm−1.
- Inventors:
- Issue Date:
- Research Org.:
- Univ. of Texas, Austin, TX (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 2222350
- Patent Number(s):
- 11759427
- Application Number:
- 17/154,610
- Assignee:
- Board of Regents, The University of Texas System (Austin, TX)
- DOE Contract Number:
- FG02-04ER15549
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 01/21/2021
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Johnston, Keith P., Engstrom, Joshua, and Williams, III, Robert O. Formation of stable submicron peptide or protein particles by thin film freezing. United States: N. p., 2023.
Web.
Johnston, Keith P., Engstrom, Joshua, & Williams, III, Robert O. Formation of stable submicron peptide or protein particles by thin film freezing. United States.
Johnston, Keith P., Engstrom, Joshua, and Williams, III, Robert O. Tue .
"Formation of stable submicron peptide or protein particles by thin film freezing". United States. https://www.osti.gov/servlets/purl/2222350.
@article{osti_2222350,
title = {Formation of stable submicron peptide or protein particles by thin film freezing},
author = {Johnston, Keith P. and Engstrom, Joshua and Williams, III, Robert O.},
abstractNote = {The present invention includes compositions and methods for preparing micron-sized or submicron-sized particles by dissolving a water soluble effective ingredient in one or more solvents; spraying or dripping droplets solvent such that the effective ingredient is exposed to a vapor-liquid interface of less than 50, 100, 150, 200, 250, 200, 400 or 500 cm−1 area/volume to, e.g., increase protein stability; and contacting the droplet with a freezing surface that has a temperature differential of at least 30° C. between the droplet and the surface, wherein the surface freezes the droplet into a thin film with a thickness of less than 500 micrometers and a surface area to volume between 25 to 500 cm−1.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2023},
month = {9}
}
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