Molecular engineering is extraordinarily interdisciplinary by using nature, encompassing aspects of chemical engineering, materials science, bioengineering, electric engineering, physics, mechanical engineering, and chemistry. There is also widespread overlap with nanotechnology, in that each are concerned with the behavior of substances on the size of nanometers or smaller. Given the rather fundamental nature of molecular interactions, there are a plethora of capacity application areas, confined perhaps only via one's creativeness and the laws of physics. However, some of the early successes of molecular engineering have come inside the fields of immunotherapy, artificial biology, and printable electronics. Engineering is the technological know-how of solving complicated technological issues and, in the case of molecular engineering, making use of molecular-level technology to the layout of superior devices, processes, and technologies. The Pritzker School of Molecular Engineering (PME) is at the vanguard of emerging processes to address fundamental societal demanding situations in such regions as quantum engineering, biotechnology and immunoengineering, superior substances, power storage, and a clean worldwide water supply. Molecular engineering of the cellular membrane is a powerful device to govern floor composition and for controlling the interactions between the cellular and its surrounding environment. Since cells engage with the extracellular environment thru the molecular receptors and ligands present on the membrane, it is important to control the molecular composition to alter those interactions. Enzymatic strategies and genetic manipulation of cellular machineries are broadly used to gain this goal, particularly in molecular biology. But current improvements in cloth technological know-how and engineering have supplied novel technology to alter cellular membranes through chemical methods. Since cell membranes are molecularly composed of wide-ranging chemical functionalities, it gives a versatile ground for change with feature molecules via described pathways.