Claudia Davenport, Ulf Diekmann, Insa Budde, Nora Detering and Ortwin Naujok. The Anterior-Posterior Patterning of Definitive Endoderm Generated from Human Embryonic Stem Cells Depends on the Differential Signaling of Retinoic Acid, Wnt- and BMP-Signaling. Stem Cells. 2016. DOI: 10.1002/stem.2428

... cytometer (Sysmex Partec, Görlitz, Germany). The conjugated antibodies anti- human CXCR4-APC (Miltenyi Biotec) and anti-human CXCR4-PE (Neuromics, Minneapolis,USA) were used. Fluorescence activated cell sorting ...

Hojjat Naderi-Meshkin, Maryam M. Matin, Asieh Heirani-Tabasi1, Mahdi Mirahmadi, Muhammad Irfan-Maqsood, Mohmmad Amin Edalatmanesh, Mina Shahriyari, Naghmeh Ahmadiankia, Nasser Sanjar Moussavi, Hamid Reza Bidkhori andA hmad Reza Bahrami. Injectable hydrogel delivery plus preconditioning of mesenchymal stem cells: exploitation of SDF-1/CXCR4 axis towards enhancing the efficacy of stem cells' homing.  DOI: 10.1002/cbin.10474.

...and for analysis of CXCR4 expression (mouse anti-CXCR4 monoclonal antibody; from Neuromics, Edina, MN, USA)...

Ulf Diekmann, Ortwin Naujok. Generation and Purification of Definitive Endoderm Cells Generated from Pluripotent Stem Cells. Methods in Molecular Biology 2015.

...CXCR4-PE (Neuromics, Minneapolis, MN, USA, cat # FC15004)...

Mr. Ulf Diekmann, Prof. Sigurd Lenzen, and Dr. Ortwin Naujok.A reliable and efficient protocol for human pluripotent stem cell differentiation into the definitive endoderm based on dispersed single cells. doi:10.1089/scd.2014.0143.

Ortwin Naujok and Sigurd Lenzen. A Critical Re-Evaluation of CD24-Positivity of Human Embryonic Stem Cells Differentiated into Pancreatic Progenitors. STEM CELL REVIEWS AND REPORTS 2012, DOI: 10.1007/s12015-012-9362-y.

...CXCR4-PE (Neuromics, Minneapolis, USA)...