The main aim of Drug delivery system is to reduce drug degradation and loss and to prevent side effects to improve bioavailability. Drug delivery system to target organs or tissues has become one of the challenges of the new century. This type of delivery methods provides major advances in specific delivery. PrimeOA Publications International is one of the leading Open Access Publishing houses, which has around 700+ peer-reviewed journals, 50,000+ editorial board members, and highly qualified, expert reviewers to meet the objectives of the Peer-Review Process. PrimeOA Publications International peer-review policies are highly appreciated, accepted and adaptable to the criteria that have been prescribed by the international agencies such as NIH, PubMed etc. PrimeOA Publications International also organizes 3000+ International Scientific Conferences per year globally. Peer review journals establishes the legitimacy of exploration based upon the expert information of different specialists in the order, consequently averting adulterated work from being acknowledged within an area of study.