e coli bl21 Search Results


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  • 94
    Thermo Fisher escherichia coli bl21 de3
    Escherichia Coli Bl21 De3, supplied by Thermo Fisher, used in various techniques. Bioz Stars score: 94/100, based on 356 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Millipore e coli bl 21
    E Coli Bl 21, supplied by Millipore, used in various techniques. Bioz Stars score: 92/100, based on 225 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    New England Biolabs e coli bl 21
    E Coli Bl 21, supplied by New England Biolabs, used in various techniques. Bioz Stars score: 91/100, based on 19 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Stratagene escherichia coli e coli bl21 codonplus
    Escherichia Coli E Coli Bl21 Codonplus, supplied by Stratagene, used in various techniques. Bioz Stars score: 76/100, based on 16 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    89
    Pasteur Institute escherichia coli e coli bl21 strain
    Escherichia Coli E Coli Bl21 Strain, supplied by Pasteur Institute, used in various techniques. Bioz Stars score: 89/100, based on 14 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Thermo Fisher escherichia coli e coli bl21 de3 cells
    Escherichia Coli E Coli Bl21 De3 Cells, supplied by Thermo Fisher, used in various techniques. Bioz Stars score: 83/100, based on 12 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Stratagene escherichia coli bl21
    Escherichia Coli Bl21, supplied by Stratagene, used in various techniques. Bioz Stars score: 95/100, based on 1399 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Millipore escherichia coli bl21
    Escherichia Coli Bl21, supplied by Millipore, used in various techniques. Bioz Stars score: 99/100, based on 3754 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Thermo Fisher escherichia coli bl21
    Escherichia Coli Bl21, supplied by Thermo Fisher, used in various techniques. Bioz Stars score: 99/100, based on 1952 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    86
    Agilent technologies bl21 escherichia coli
    Bl21 Escherichia Coli, supplied by Agilent technologies, used in various techniques. Bioz Stars score: 86/100, based on 31 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    90
    Merck & Co escherichia coli bl21
    Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli <t>BL21</t> cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose
    Escherichia Coli Bl21, supplied by Merck & Co, used in various techniques. Bioz Stars score: 90/100, based on 110 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Merck KGaA escherichia coli bl21
    Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli <t>BL21</t> cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose
    Escherichia Coli Bl21, supplied by Merck KGaA, used in various techniques. Bioz Stars score: 89/100, based on 38 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Millipore escherichia coli e coli bl21 de3 star cells
    Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli <t>BL21</t> cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose
    Escherichia Coli E Coli Bl21 De3 Star Cells, supplied by Millipore, used in various techniques. Bioz Stars score: 78/100, based on 3 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    GE Healthcare escherichia coli bl21
    Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli <t>BL21</t> cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose
    Escherichia Coli Bl21, supplied by GE Healthcare, used in various techniques. Bioz Stars score: 95/100, based on 1305 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    TaKaRa escherichia coli bl21
    Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli <t>BL21</t> cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose
    Escherichia Coli Bl21, supplied by TaKaRa, used in various techniques. Bioz Stars score: 93/100, based on 178 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Promega escherichia coli bl21
    Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli <t>BL21</t> cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose
    Escherichia Coli Bl21, supplied by Promega, used in various techniques. Bioz Stars score: 93/100, based on 167 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Covance bl21 escherichia coli
    Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli <t>BL21</t> cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose
    Bl21 Escherichia Coli, supplied by Covance, used in various techniques. Bioz Stars score: 86/100, based on 2 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Pfizer Inc escherichia coli bl21
    Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli <t>BL21</t> cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose
    Escherichia Coli Bl21, supplied by Pfizer Inc, used in various techniques. Bioz Stars score: 89/100, based on 7 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    TransGen biotech co escherichia coli bl21
    Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli <t>BL21</t> cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose
    Escherichia Coli Bl21, supplied by TransGen biotech co, used in various techniques. Bioz Stars score: 93/100, based on 52 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    GenScript escherichia coli bl21
    Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli <t>BL21</t> cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose
    Escherichia Coli Bl21, supplied by GenScript, used in various techniques. Bioz Stars score: 93/100, based on 33 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    AMS Biotechnology bl21 escherichia coli
    Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli <t>BL21</t> cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose
    Bl21 Escherichia Coli, supplied by AMS Biotechnology, used in various techniques. Bioz Stars score: 92/100, based on 21 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    94
    tiangen biotech co e coli bl21
    Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli <t>BL21</t> cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose
    E Coli Bl21, supplied by tiangen biotech co, used in various techniques. Bioz Stars score: 94/100, based on 122 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    TransGen biotech co e coli bl21
    Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli <t>BL21</t> cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose
    E Coli Bl21, supplied by TransGen biotech co, used in various techniques. Bioz Stars score: 94/100, based on 96 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Millipore escherichia coli bl21 tunertm
    Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli <t>BL21</t> cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose
    Escherichia Coli Bl21 Tunertm, supplied by Millipore, used in various techniques. Bioz Stars score: 78/100, based on 7 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Stratagene escherichia coli bl21 de3
    Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli <t>BL21</t> cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose
    Escherichia Coli Bl21 De3, supplied by Stratagene, used in various techniques. Bioz Stars score: 93/100, based on 220 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Beijing ComWin Biotech Co e coli bl21
    Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli <t>BL21</t> cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose
    E Coli Bl21, supplied by Beijing ComWin Biotech Co, used in various techniques. Bioz Stars score: 90/100, based on 7 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    81
    Fisher Scientific escherichia coli bl21 ai
    Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli <t>BL21</t> cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose
    Escherichia Coli Bl21 Ai, supplied by Fisher Scientific, used in various techniques. Bioz Stars score: 81/100, based on 6 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Thermo Fisher escherichia coli bl21 star
    Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli <t>BL21</t> cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose
    Escherichia Coli Bl21 Star, supplied by Thermo Fisher, used in various techniques. Bioz Stars score: 99/100, based on 255 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli <t>BL21</t> cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose
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    Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli <t>BL21</t> cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose
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    Image Search Results


    Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli BL21 cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose

    Journal: Applied Microbiology and Biotechnology

    Article Title: A microbial expression system for high-level production of scFv HIV-neutralizing antibody fragments in Escherichia coli

    doi: 10.1007/s00253-019-10145-1

    Figure Lengend Snippet: Controlled induction of sfGFP expression. a Fluorescence quantification of sfGFP production with increasing amounts of rhamnose in shaker flasks at different time points: pre-induction (white), 5 h (gray), or 7 h (black) after induction. The E. coli pSAR-2 strain without sfGFP insert is indicated as “Empty”. Error bars indicate standard deviations of two biological replicates. b Flow cytometry analysis (FACS) data of E. coli BL21 cells with pSAR-2 empty and pSAR-2::sfGFP vector expressing sfGFP, 4 h after induction with different amounts of rhamnose in shaker flasks. Left plots showing cell granularity by forward scatter (FSC-A, x -axis) and side scatter (SSC-A, y -axis) per cell. Right histograms showing the number of cells per mean GFP fluorescence intensity (au). c Scalability of sfGFP expression in different culturing systems induced at OD 600nm 0.6–0.8 with 10 mM rhamnose

    Article Snippet: Bacterial strains, plasmids, and growth conditions Escherichia coli JM109 (Sambrook et al. ) was used for routine cloning procedures and E. coli BL21 (Novagen/Merck, Darmstadt, Germany ) for expression of the recombinant proteins.

    Techniques: Expressing, Fluorescence, Flow Cytometry, Cytometry, FACS, Plasmid Preparation

    SDS-PAGE and Western blot analysis of antibody affinity chromatography purification of PGT135 scFv. Analysis of feed, flow-through (FT), wash, and elution fractions 8–11 (E8–E11) of an affinity chromatography run using Capto-L for purification of PGT135 scFv antibody fragment from the soluble protein fraction of E. coli BL21 cells expressing PGT135 scFv from pSAR-2 vector. a Representative SDS-PAGE gel showing total protein in different analyzed fractions and PGT135 scFv antibody with an expected band size of 29 kDa. Elution fractions show highly enriched PGT135 scFv after purification. b Representative western blot with HRP–Protein L binding to PGT135 scFv in different analyzed fractions. In the first lane, 2.8 μg of commercially available His-tagged PGT135 scFv (scFv-His 6 xHis) is included for semi-quantification. PGT135 scFv is clearly visible and semi quantified in feed and elution fractions

    Journal: Applied Microbiology and Biotechnology

    Article Title: A microbial expression system for high-level production of scFv HIV-neutralizing antibody fragments in Escherichia coli

    doi: 10.1007/s00253-019-10145-1

    Figure Lengend Snippet: SDS-PAGE and Western blot analysis of antibody affinity chromatography purification of PGT135 scFv. Analysis of feed, flow-through (FT), wash, and elution fractions 8–11 (E8–E11) of an affinity chromatography run using Capto-L for purification of PGT135 scFv antibody fragment from the soluble protein fraction of E. coli BL21 cells expressing PGT135 scFv from pSAR-2 vector. a Representative SDS-PAGE gel showing total protein in different analyzed fractions and PGT135 scFv antibody with an expected band size of 29 kDa. Elution fractions show highly enriched PGT135 scFv after purification. b Representative western blot with HRP–Protein L binding to PGT135 scFv in different analyzed fractions. In the first lane, 2.8 μg of commercially available His-tagged PGT135 scFv (scFv-His 6 xHis) is included for semi-quantification. PGT135 scFv is clearly visible and semi quantified in feed and elution fractions

    Article Snippet: Bacterial strains, plasmids, and growth conditions Escherichia coli JM109 (Sambrook et al. ) was used for routine cloning procedures and E. coli BL21 (Novagen/Merck, Darmstadt, Germany ) for expression of the recombinant proteins.

    Techniques: SDS Page, Western Blot, Affinity Chromatography, Purification, Flow Cytometry, Expressing, Plasmid Preparation, Binding Assay

    Expression of antibody fragment PGT135 scFv. PGT135 scFv is expressed by E. coli BL21 from the pSAR-2:scFv vector with different concentrations of rhamnose for induction, and at two different temperatures (30 °C and 25 °C) and harvest times (21 h and 48 h). a Representative western blot with Protein L–HRP conjugate binding to PGT135 scFv antibody fragments in the soluble protein fraction. Numbers 3, 10, and 15 indicate the amount of rhamnose added for induction in mM. E. coli BL21 pSAR-2 empty induced with 10 mM of rhamnose is included as a negative control. Two different known concentrations of the commercially available His 6 -tagged antibody PGT135 scFv-6xHis are included for quantification. b Graph showing semi-quantitative data for PGT135 scFv production in shaker flasks as determined by western blot based on two biological replicates. Black bars show PGT135 scFv in total cell fraction and gray bars in soluble protein fraction. Error bars indicate standard deviation of two biological duplicates

    Journal: Applied Microbiology and Biotechnology

    Article Title: A microbial expression system for high-level production of scFv HIV-neutralizing antibody fragments in Escherichia coli

    doi: 10.1007/s00253-019-10145-1

    Figure Lengend Snippet: Expression of antibody fragment PGT135 scFv. PGT135 scFv is expressed by E. coli BL21 from the pSAR-2:scFv vector with different concentrations of rhamnose for induction, and at two different temperatures (30 °C and 25 °C) and harvest times (21 h and 48 h). a Representative western blot with Protein L–HRP conjugate binding to PGT135 scFv antibody fragments in the soluble protein fraction. Numbers 3, 10, and 15 indicate the amount of rhamnose added for induction in mM. E. coli BL21 pSAR-2 empty induced with 10 mM of rhamnose is included as a negative control. Two different known concentrations of the commercially available His 6 -tagged antibody PGT135 scFv-6xHis are included for quantification. b Graph showing semi-quantitative data for PGT135 scFv production in shaker flasks as determined by western blot based on two biological replicates. Black bars show PGT135 scFv in total cell fraction and gray bars in soluble protein fraction. Error bars indicate standard deviation of two biological duplicates

    Article Snippet: Bacterial strains, plasmids, and growth conditions Escherichia coli JM109 (Sambrook et al. ) was used for routine cloning procedures and E. coli BL21 (Novagen/Merck, Darmstadt, Germany ) for expression of the recombinant proteins.

    Techniques: Expressing, Plasmid Preparation, Western Blot, Binding Assay, Negative Control, Standard Deviation