EV capture and staining on beads

AM Aizea Morales-Kastresana
TM Thomas A. Musich
JW Joshua A. Welsh
WT William Telford
TD Thorsten Demberg
JW James C. S. Wood
MB Marty Bigos
CR Carley D. Ross
AK Aliaksander Kachynski
AD Alan Dean
EF Edward J. Felton
JD Jonathan Van Dyke
JT John Tigges
VT Vasilis Toxavidis
DP David R. Parks
WO W. Roy Overton
AK Aparna H. Kesarwala
GF Gordon J. Freeman
AR Ariel Rosner
SP Stephen P. Perfetto
LP Lise Pasquet
MT Masaki Terabe
KM Katherine McKinnon
VK Veena Kapoor
JT Jane B. Trepel
AP Anu Puri
HK Hisataka Kobayashi
BY Bryant Yung
XC Xiaoyuan Chen
PG Peter Guion
PC Peter Choyke
SK Susan J. Knox
IG Ionita Ghiran
MR Marjorie Robert-Guroff
JB Jay A. Berzofsky
JJ Jennifer C. Jones
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10 µm magnetic beads (Millipore) were coupled with 100 µg ml−1 biotinylated anti-PSMA antibody (clone LNI-17, BioLegend) for 1hour at room temperature with gentle agitation. EV capture was performed overnight at room temperature with rotation. For staining, EV-coated beads were blocked with Fc Block in a saline buffer containing 5 mg ml−1 casein, 25 mM Tris and 150 mM NaCl at pH7.4, and then PE-conjugated anti-PSMA was added at 10 µg ml−1 in same buffer for 15 min.

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