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Through a proper nano-formulation the obstacles encountered by systemic delivery strategies can be circumvented, and through minor modifications hydrophobic drugs can be delivered through minor modifications to their structure, ensuring in the meantime that the therapeutic form is broken down by the human body's own internal systems. The main advantages in triggered drug delivery are the better healthcare strategy and the topical delivery, the main person winning in this case being the patient, the one person that should always be at the heart of the medical system.

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-In this paper, the development of graphene oxide for environmental applications, following the approaches of different research groups were studied. The results were grouped per three main lines, depollution behaviour and characteristics, novel sensors and sensor materials and toxicity associated with the use of those materials. The main results were of the research has been emphasized, and some perspectives were highlighted for the future in the conclusions. Graphene oxide took a huge leap forward, but in order to gain more knowledge, a unified perspective is still required from all research groups, an unified perspective concerning methods for testing and critical parameters which should not be missed in any depollution study. Graphene oxide has the potential to become a highly produced material, due to the many advantages it brings, as long as it does not add its toxicity and as long as the danger it removes is lesser than the danger we face from using it.