5x PEG8000 solutions (50 g PEG 8000/ 8.733 g NaCl in 200
1. Transfer supernatant to a sterile vessel and add 1 volume of cold PEG-it Virus Precipitation Solution (4ºC)
*100 mm dish= 10
2. Refrigerate overnight (4ºC, at least 12 hours). Lentivectorcontaining supernatants mixed with PEG-it Virus Precipitation Solution are stable for up to 4-5 days at 4°C.
3. Centrifuge supernatant/PEG-it mixture
4. Transfer supernatant to a fresh tube. Spin down residual PEGit solution by centrifugation at 1500 × g for 5 minutes. Remove all traces of fluid by aspiration, taking great care not to disturb the precipitated Lentiviral particles in pellet.
5.
(Example: 20ml viral supernatant-->2
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