1. Abraham PM, Barnikol S, Baumann T, Kuehn M, Ivleva NP, Schaumann GE (2013) Sorption of silver nanoparticles to environmental and model surfaces. Environ Sci Technol 47:5083–5091
2. Ahmed F, Arshi N, Kumar S, Gill SS, Gill R, Tuteja N, Koo BH (2013) Nanobiotechnology: scope and potential for crop improvement. In: Tuteja N, Gill SS (eds) Crop improvement under adverse conditions. Springer, New York, pp 245–269
3. Anjum NA, Umar S, Chan MT (eds) (2010) Ascorbate-glutathione pathway and stress tolerance in plants. Springer, Dordrecht
4. Anjum NA, Ahmad I, Mohmood I, Pacheco M, Duarte AC, Pereira E, Umar S, Ahmad A, Khan NA, Iqbal M, Prasad MNV (2012a) Modulation of glutathione and its related enzymes in plants’ responses to toxic metals and metalloids—a review. Environ Exp Bot 75:307–324
5. Anjum NA, Umar S, Ahmad A (2012b) Oxidative stress in plants: causes, consequences and tolerance. IK International Publishing House, New Delhi