Get latest articles and stories on India at LatestLY. Scientists at Rutgers University have devised a highly accurate method for creating coatings of biologically active materials for a variety of medical products. Such a technique could pave the way for a new era of transdermal medication, including shot-free vaccinations, researchers said. India News | New Spray Technique Developed by Scientists Could Usher in New Era of Transdermal Medication.