Performed using femtosecond laser pulses to generate two- and three-photon processes ... Multiphoton imaging, on the other hand, can rapidly visualize unprocessed tissue samples, enabling diagnosis in ...

Put simply, a processed food is any food that has been changed in some way during its preparation. Foods that are unprocessed or sometimes called ‘natural’ foods, are the edible parts of ...

It also includes drinks like fizzy cola. Group 1 Unprocessed or natural foods. Fruit, vegetables, meat, fish, nuts, seeds, pulses, eggs. Minimally processed – natural foods altered by processes ...