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TRANSCRIPT
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CAPTURE PURIFY ENRICH™ PhyNexus
Thank you for joining the PhyNexus Webinar
If you have questions, please type them
with the Chat function.
Access the Webinar audio with your
computer speakers or submit your phone
number and Webex will call you with the
audio connection.
The webinar will begin shortly.
If you are experiencing problems, please call us at TEL: +1-408-
267-7214.
Anne Burke
Lee Hoang
Jo Walter
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CAPTURE PURIFY ENRICH™ PhyNexus
Lee Hoang, Ph.D.
R&D Manager
PhyNexus, Inc.
San Jose, CA
Innovative Solutions for Automated
Protein and Nucleic Acid Purification
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CAPTURE PURIFY ENRICH™ PhyNexus
Current small-scale sample preparation
have drawbacks
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CAPTURE PURIFY ENRICH™ PhyNexus
PhyTip® column design
Top screen
Bottom screen
Resin maintained in discrete area
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CAPTURE PURIFY ENRICH™ PhyNexus
PhyTip® column design
5 20 10 20 40 80 160 320 L 200 L 600 L
Traditional PhyTip Columns Gel Filtration PhyTip Columns
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CAPTURE PURIFY ENRICH™ PhyNexus
PhyTip Columns
4x
Capture
Pro Pro
Pro Pro
Pro Pro
Pro
Pro
Pro
Target Protein
Contaminants
Buffer
Pro
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CAPTURE PURIFY ENRICH™ PhyNexus
PhyTip Columns
4x
Purify
Pro
Pro Pro Pro
Pro
Pro Pro
Pro
Pro
Target Protein
Contaminants
Wash Buffer
Pro
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CAPTURE PURIFY ENRICH™ PhyNexus
PhyTip Columns
4x
Enrich
Pro
Pro Pro
Pro
Pro Pro Pro
Pro
Pro
Target Protein
Elution Buffer
Pro
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CAPTURE PURIFY ENRICH™ PhyNexus
Reciprocal flow, small resin bed size, and low dead volume
allow for efficient processing of small samples
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CAPTURE PURIFY ENRICH™ PhyNexus
Beckman FX
Caliper Sciclone & Zephyr
Perkin Elmer Minitrak
Tecan Freedom Evo Dynamic Devices Oasis
Hamilton STAR
PhyTip Columns – Compatible with Popular Liquid Handling Robots ®
Velocity 11 Bravo
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CAPTURE PURIFY ENRICH™ PhyNexus
MEA for fully automated, medium throughput sample processing
“Makes optimisation at small
scale feasible for multiple
conditions. Data is
reproducible at scale up
process. No limitations.”
Isabelle Green, AstraZeneca
"Easy liquid handling platform
that anyone can operate."
Jessika Feliciano, Merck &
Co.
http://www.selectscience.net/products/micro-extractor-automated-instrument-(mea)/?prodID=93919&u=AEDF1BCD-A529-4740-9812-01A5BC229369&techBID=
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CAPTURE PURIFY ENRICH™ PhyNexus
MEA Deck Positions
Chilled Positions R
eserv
oir
Plate Positions
Tip/PhyTip Column
Positions
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CAPTURE PURIFY ENRICH™ PhyNexus
MEA: Large volume, parallel processing
• Purify 1-12 samples at a time
• Each sample > 80 mL
• Recover 120 µL pure protein
• Yields in the milligram
range depending upon expression
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CAPTURE PURIFY ENRICH™ PhyNexus
MEA: Process Development
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CAPTURE PURIFY ENRICH™ PhyNexus
MEA: Process Development
• 12 types of resins in a box of 96
• 4 Capture conditions (optimize surfactant).
• 2 Wash conditions – vary pH of wash buffers
• 3 Elution conditions – step elution at 3 different salt concentrations
• 288 conditions to be tested
Row 1
elutions Row 2
elutions
Row 8
elutions Rows 1-8
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CAPTURE PURIFY ENRICH™ PhyNexus
Gel Filtration Chromatography
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CAPTURE PURIFY ENRICH™ PhyNexus
1 2 3 4 5 6 7
2 3 4 5 6 7
1
Gel Filtration Columns
Protein recovery and salt removal
Tips from left:
1. 600 µL column
2. 200 µL sample load
3-6. 4x100 µL chaser
7. 400 µL chaser
Tubes from left:
1. Starting sample
2. 200 µL fraction
3-6. 100 µL fractions
7. 400 µL fraction
• Routinely obtain 80% protein recovery &
remove >95% salt
• Separation of myoglobin (brown MW
16.7kD) from DNP-glutamate (yellow, MW
313D)
• Elution fractions collected in separate
wells
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CAPTURE PURIFY ENRICH™ PhyNexus
10K Gel Filtration Columns
Epitope Mapping
Digest Ab-Antigen
complex
Scanning peptide
library
Gel Filtration Separation –
• 500-10,000MW fractionation
Range
• Inject as little as 20 µL
MS analysis
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CAPTURE PURIFY ENRICH™ PhyNexus
Plasmid DNA Purification
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CAPTURE PURIFY ENRICH™ PhyNexus
Plasmid purification is difficult to automate
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CAPTURE PURIFY ENRICH™ PhyNexus
Solution: Process crude lysate
A B
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CAPTURE PURIFY ENRICH™ PhyNexus
Performance Data
Sample Yield Conc A260/A280 A260/A230
1 18.5 201 1.97 2.12
2 19.4 208 1.98 2.02
3 18.5 204 1.95 1.97
4 16.5 188 1.97 2.12
5 17.7 195 1.95 2.00
6 19.1 206 1.94 1.96
7 19.5 206 1.96 1.96
8 19.5 209 1.95 1.90
0
100
200
300
400
500
Fugene 6 Fugene HD TransIT LT1
Transfection Efficiency
96 hours – Reverse Transfection
# o
f G
FP
po
sitiv
e c
ells
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CAPTURE PURIFY ENRICH™ PhyNexus
Antibody Purification
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CAPTURE PURIFY ENRICH™ PhyNexus
PhyTip columns are scale-able
• Linear relationship between resin bed
volume and recovery
• Back-and-forth flow drives binding and
elution to equilibrium
• Measured dynamic binding capacity of
29 g/ L is equivalent to manufacturer’s
specifications
• Resin performance is not compromised
by miniaturization
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CAPTURE PURIFY ENRICH™ PhyNexus
PhyTip columns for small volume purification
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CAPTURE PURIFY ENRICH™ PhyNexus
His-tagged Protein Purification
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CAPTURE PURIFY ENRICH™ PhyNexus
Courtesy Vertex Pharmaceuticals
• Magnetic Beads, Spin Columns and PhyTip Columns
• PhyTip columns outperform competition through yield and concentration
Ni-IMAC purification platform comparisons
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CAPTURE PURIFY ENRICH™ PhyNexus
Ni-NTA IMAC Resin Wash Optimization
• E.coli culture lysed and cleared
• Spike with His-Rubredoxin, MW 7.5
kDa and purified on 20 µL IMAC
PhyTip columns
• All 8 samples first wash in 5 mM
imidazole
• Second wash in varying
concentrations of imidazole
• Note from 30 mM imidazole the high
MW contaminating band begins to be
removed
• Stringent washing did not affect the
concentration of eluted Rubredoxin
Contaminant
His-rubredoxin
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CAPTURE PURIFY ENRICH™ PhyNexus
IEX Chromatography
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CAPTURE PURIFY ENRICH™ PhyNexus
Marc D. Wenger et al., “An automated microscale chromatographic purification of virus-like particles as a strategy for
process development,” Biotechnol. Appl. Biochem, 2007.
Provide feedback on upstream process changes
Examples of Manufacturing and Q/C Monitoring: Merck
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CAPTURE PURIFY ENRICH™ PhyNexus
Merck Case Study: Comparison of lab-scale and PhyNexus-scale
purification systems
Marc D. Wenger et al., “An automated microscale chromatographic purification of virus-like particles as a strategy for
process development,” Biotechnol. Appl. Biochem, 2007.
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CAPTURE PURIFY ENRICH™ PhyNexus
Conclusions
PhyTip columns
• Miniaturization: Obtain information early in the process
• Maintain protein activity: Compatible with cell-based assays and screening
• Automation: Process 1 to 96 samples in a complete walk-away manner
• Flexible: Choose optimal column size and resin
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CAPTURE PURIFY ENRICH™ PhyNexus
Select Sub-set of Current Customers
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CAPTURE PURIFY ENRICH™ PhyNexus
Thank you for joining the PhyNexus Webinar
Please contact us with any questions
Email:
JoanneWalter - Phynexus Europe
Anne Burke
Lee Hoang
Jo Walter