Retraction Note: Engineered Polyallylamine Nanoparticles for Efficient In Vitro Transfection
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RETRACTION NOTE
Retraction Note: Engineered Polyallylamine Nanoparticles for Efficient In Vitro Transfection Atul Pathak 1 & Anita Aggarwal 1 & Raj K. Kurupati 1 & Soma Patnaik 1 & Archana Swami 1 & Yogendra Singh 1 & Pradeep Kumar 1 & Suresh P. Vyas 2 & Kailash C. Gupta 1
# Springer Science+Business Media, LLC, part of Springer Nature 2020
Retraction Note: Pham Res (2020) 24: 1427 – 1440(2007) https://doi.org/10.1007/s11095-007-9259-7 The Editor-in-Chief has retracted this article [1]. Concerns have been raised with a number of figures, specifically:
The authors have not responded to correspondence regarding this retraction.
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[1] Pathak, A., Aggarwal, A., Kurupati, R.K. et al. Engineered Polyallylamine Nanoparticles for Efficient In Vitro Transfection. Pharm Res 24, 1427–1440 (2007). https://doi.org/10.1007/s11095007-9259-7
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Figure 2: the gel bands for PIP-7 and PIP-9 appear to be identical Figure 6a: the panel for IPP-4 (750 kDa) 500mg/ml appears to be identical to the panel for PEI (25 kDa) 25mg/ml. Figure 6a: the panel for PIP-9 (Bright field) appears to be identical to the panel for Bright field (COS-1) in Fig. 6 in [2]. Figure 6a: the panel for PEI (25 kDa) 3mg/ml appears to be identical to the panel for (750 kDa) 500mg/ml in [2]. Figure 6a: the panel for PP (50mg/ml) appears to be identical to the panel for Native DNA in Fig. 6 in [2].
The Editor-in-Chief has therefore concluded that the data reported in this article are unreliable.
The online version of the original article can be found at https://doi.org/10. 1007/s11095-007-9259-7 * Kailash C. Gupta [email protected] 1
Institute of Genomics and Integrative Biology, Delhi University Campus, Mall Road, Delhi 110007, India
2
Department of Pharmaceutical Sciences, Dr. Harisingh Gour University, Sagar, M.P. 470003, India
[2] Archana Swami, Anita Aggarwal, Atul Pathak, Soma Patnaik, P. Kumar, Y. Singh, K.C. Gupta, RETRACTED: Imidazolyl-PEI modified nanoparticles for enhanced gene delivery, International Journal of Pharmaceutics, Volume 335, Issues 1–2, 2007, Pages 180-192, https://doi.org/10.1016/j.ijpharm.2006.11.033 Address correspondence to Kailash C. Gupta, Institute of Genomics and Integrative Biology, Delhi University Campus, Mall Road, Delhi 110007, India.
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