Direct-injection engines were introduced with a promise that sounded ideal: more power, better fuel efficiency, and cleaner emissions, all from a more precise way of delivering fuel. On paper, the ...

Continuous administration of ranibizumab with a port delivery system provides an alternative to frequent intravitreal injections for diabetic macular edema and helps delay progression of ...

Implantation in the eye of the port delivery system loaded with a bolus of the antivascular endothelial growth factor ranibizumab was associated with similar improvements in visual acuity after 2 ...

Until the early 1990s, many gasoline engine designs relied on carburetors to produce the fuel-air mixture needed to make the power that makes a car move. However, as the regulations around fuel ...

Lots of new car engines these days are built with both port and direct fuel injection. On the surface, that might not make much sense. Why would a carmaker use two different types of injection methods ...