The effects of amphiphilic excipients on the inactivation of lactate dehydrogenase (LDH) during freeze-thawing and freeze-drying were studied. Some amphiphilic excipients such as hydroxypropyl-beta-cyclodextrin (HP-beta-CD), CHAPS, polyethylene glycol (PEG) 3350, and a sucrose fatty acid monoester prevented LDH inactivation during freeze-thawing and freeze-drying at a lower concentration than sugars and amino acids. Polyoxyethylene 9 lauryl ether and PEG 400 protected LDH during freeze-thawing but not during freeze-drying. The buffer concentration of the solution to be freeze-dried (10, 50, and 200 mM) affected the stabilizing effect of trehalose, but not that of HP-beta-CD. (C) 1994 John Wiley & Sons, Inc.
机构:
Okayama Univ, Grad Sch Nat Sci & Technol, Div Chem & Biochem, Kita Ku, Okayama, JapanOkayama Univ, Grad Sch Nat Sci & Technol, Div Chem & Biochem, Kita Ku, Okayama, Japan
Shimizu, Takanori
Korehisa, Tamayo
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Okayama Univ, Grad Sch Nat Sci & Technol, Div Chem & Biochem, Kita Ku, Okayama, JapanOkayama Univ, Grad Sch Nat Sci & Technol, Div Chem & Biochem, Kita Ku, Okayama, Japan
Korehisa, Tamayo
Imanaka, Hiroyuki
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Okayama Univ, Grad Sch Nat Sci & Technol, Div Chem & Biochem, Kita Ku, Okayama, JapanOkayama Univ, Grad Sch Nat Sci & Technol, Div Chem & Biochem, Kita Ku, Okayama, Japan
Imanaka, Hiroyuki
Ishida, Naoyuki
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Okayama Univ, Grad Sch Nat Sci & Technol, Div Chem & Biochem, Kita Ku, Okayama, JapanOkayama Univ, Grad Sch Nat Sci & Technol, Div Chem & Biochem, Kita Ku, Okayama, Japan
Ishida, Naoyuki
Imamura, Koreyoshi
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Okayama Univ, Grad Sch Nat Sci & Technol, Div Chem & Biochem, Kita Ku, Okayama, JapanOkayama Univ, Grad Sch Nat Sci & Technol, Div Chem & Biochem, Kita Ku, Okayama, Japan
机构:
Calif State Univ Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90032 USACalif State Univ Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90032 USA
Rodriguez, Celeste
Sajjadi, Seyed
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Calif State Univ Northridge, Dept Chem & Biochem, Northridge, CA 91330 USACalif State Univ Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90032 USA
Sajjadi, Seyed
Abrol, Ravinder
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Calif State Univ Northridge, Dept Chem & Biochem, Northridge, CA 91330 USACalif State Univ Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90032 USA
Abrol, Ravinder
Wen, Xin
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Calif State Univ Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90032 USACalif State Univ Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90032 USA
机构:
Okayama Univ, Grad Sch Nat Sci & Technol, Div Appl Chem, Kita Ku, 3-1-1 Tsushima Naka, Okayama 7008530, JapanOkayama Univ, Grad Sch Nat Sci & Technol, Div Appl Chem, Kita Ku, 3-1-1 Tsushima Naka, Okayama 7008530, Japan
Kadowaki, Miki
Matsuura, Tsutashi
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Mitsubishi Chem Foods Co, Chiyoda Ku, 1-1-1 Marunouchi, Tokyo 1008251, JapanOkayama Univ, Grad Sch Nat Sci & Technol, Div Appl Chem, Kita Ku, 3-1-1 Tsushima Naka, Okayama 7008530, Japan
Matsuura, Tsutashi
Imanaka, Hiroyuki
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Okayama Univ, Grad Sch Nat Sci & Technol, Div Appl Chem, Kita Ku, 3-1-1 Tsushima Naka, Okayama 7008530, JapanOkayama Univ, Grad Sch Nat Sci & Technol, Div Appl Chem, Kita Ku, 3-1-1 Tsushima Naka, Okayama 7008530, Japan
Imanaka, Hiroyuki
Ishida, Naoyuki
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Okayama Univ, Grad Sch Nat Sci & Technol, Div Appl Chem, Kita Ku, 3-1-1 Tsushima Naka, Okayama 7008530, JapanOkayama Univ, Grad Sch Nat Sci & Technol, Div Appl Chem, Kita Ku, 3-1-1 Tsushima Naka, Okayama 7008530, Japan
Ishida, Naoyuki
Imamura, Koreyoshi
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Okayama Univ, Grad Sch Nat Sci & Technol, Div Appl Chem, Kita Ku, 3-1-1 Tsushima Naka, Okayama 7008530, JapanOkayama Univ, Grad Sch Nat Sci & Technol, Div Appl Chem, Kita Ku, 3-1-1 Tsushima Naka, Okayama 7008530, Japan
机构:
Univ Helsinki, Fac Pharm, Div Pharmaceut Chem & Technol, Formulat & Ind Pharm, Helsinki, FinlandUniv Helsinki, Fac Pharm, Div Pharmaceut Chem & Technol, Formulat & Ind Pharm, Helsinki, Finland
Tuderman, Anna-Kaisa
Strachan, Clare J.
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Univ Helsinki, Fac Pharm, Div Pharmaceut Chem & Technol, Formulat & Ind Pharm, Helsinki, FinlandUniv Helsinki, Fac Pharm, Div Pharmaceut Chem & Technol, Formulat & Ind Pharm, Helsinki, Finland
Strachan, Clare J.
Juppo, Anne M.
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Univ Helsinki, Fac Pharm, Div Pharmaceut Chem & Technol, Formulat & Ind Pharm, Helsinki, FinlandUniv Helsinki, Fac Pharm, Div Pharmaceut Chem & Technol, Formulat & Ind Pharm, Helsinki, Finland