GE akta start Manual Download Page 12

29-0240-42 AC    07/2014

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UNICORN start © 2013-2014 General Electric Company
© 2013-2014 General Electric Company – All rights reserved. 

First published Sep. 2013
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Health and Safety Declaration Form

Please complete the checklist in the On Site Service 
Health & Safety Declaration Form or the Health & Safety 
Declaration Form for Product Return or Servicing, 
depending on whether the instrument is going to be 
serviced on site or returned for service, respectively.

Copy the form you need from 

ÄKTA start Operating 

Instructions

,  

Section 10.4 Health and Safety Declaration 

Form

, or print it from the PDF file available on the User 

Documentation CD.

User documentation for ÄKTA start

Documentation

Book

PDF

Web Online

Operating Instructions

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Maintenance Manual

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System Cue Card

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Maintenance Cue Card

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UNICORN start 1.0 User 

Manual

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UNICORN start Online 
Help

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Display Help

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Buffer selection

Buffer types needed

For AC:

Binding buffer
Elution buffer
Wash buffer (optional)



For DS:

One buffer type per run

For IEX:

Binding buffer
Elution buffer
Wash buffer (optional)



For GF: 

One buffer type per run

AC buffer suggestions for His-tagged proteins

If performing...

suggested buffer

binding using HisTrap 
or HiTrap Chelating

50 mM Tris-HCl pH 7.5, 0.5 M 
NaCl, 20-40 mM imidazole

1

wash

50 mM Tris-HCl pH 7.5, 0.5 M 
NaCl, 100 mM imidazole

step elution

50 mM Tris-HCl pH 7.5, 0.5 M 
NaCl, 500 mM imidazole

1

 The imidazole concentration is protein dependent.

AC buffer suggestions for GST-tagged proteins

If performing...

suggested buffer

binding using 
GSTrap 4B, HP or FF

50 mM Tris-HCl pH 7.5, 150 mM 
NaCl, 1 mM DTT

step elution

50 mM Tris-HCl, 10 mM 
reduced gluthathione, pH 8

DS buffer suggestions

If performing...

suggested buffer

Buffer exchange/

desalting

50 mM Tris-HCl pH 8.0

IEX buffer suggestions

If  performing...

suggested buffer (depends on 
the pI of the protein)

binding to AIEX

50 mM Tris-HCl pH 8.0

binding to CIEX

20 mM MES pH 6.0

elution from AIEX

50 mM Tris-HCl, pH 8.0, 1 M 
NaCl

elution from CIEX

20 mM MES pH 6.0, 1 M NaCl

GF buffer suggestions

If performing...

suggested buffer

Buffer exchange/
size exclusion 

chromatography

a suitable buffer, e.g. 50 mM 
Tris-HCl pH 7.5, 150 mM NaCl

Summary of Contents for akta start

Page 1: ...raphy system intended for preparative purification of proteins at laboratory scale The system can be used for a variety of research purposes to fulfill the needs of the users in the academia and in th...

Page 2: ...w shows the locations of the modules placed on the wet side of the instrument The modules have the following functions To deliver the liquid in the system flow path and divert the flow as required To...

Page 3: ...chromatography runs Allows creation of methods from predefined chromatography templates like Affinity Gel Filtration Ion Exchange and Desalting Gives flexibility to create a customized method by drag...

Page 4: ...n Cond flow cell calibration 1 3 2 System preparation Preparation workflow Instruction Place the buffer bottles A B in the buffer tray and immerse the buffer inlet tubing A B in the respective buffer...

Page 5: ...ple application The sample can be applied to the column in two ways via Pump The sample can be applied directly from a sample container through the Sample valve as shown in the image below It allows a...

Page 6: ...Edit run Method run Prepare system Column preparation Set Run parameters to suit your requirement KTA start Pre defined System preparation Column preparation UNICORN start System control Method run En...

Page 7: ...ument Display or from UNICORN start Operation from the Instrument Display The following options are available from Run view screen View real time values UV absorbance Conductivity Flow rate Pressure T...

Page 8: ...it run in Run view screen when the run is in progress Use appropriate columns as indicated in the template names E g use 1 ml HiTrap column in case of selecting the Quick start AC IEX step 1 ml HiTrap...

Page 9: ...100 B CV NA NA NA NA NA NA 5 0 5 0 NA Re Equilibration Volume CV 5 0 5 0 NA NA 5 0 5 0 5 0 5 0 NA Fractionation Volume ml 1 0 3 0 0 5 3 0 1 0 3 0 1 0 5 0 4 0 the results will be saved only if the USB...

Page 10: ...ration Re equilibration Wash unbound Elution Pump wash Equilibration 100 50 5 CV 5 CV 5 CV 5 CV Sample B Fractionation collection 20 CV G r a d i e n t 0 t o 1 0 0 B GF 16 60 HiPrep Gel Filtration Chr...

Page 11: ...formation visit www gelifesciences com AKTA Selecting protocols columns and buffer Column supported Volume ml Method HisTrap FF 1 or 5 AC HisTrap FF crude 1 or 5 HisTrap HP 1 or 5 GSTrap FF 1 or 5 GST...

Page 12: ...alth Safety Declaration Form for Product Return or Servicing depending on whether the instrument is going to be serviced on site or returned for service respectively Copy the form you need from KTA st...

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