Cleaning out pollen shells (video)

(American Chemical Society) As allergy season intensifies, many people are cursing pollen — the powdery substance released by plants for reproduction. However, pollen may serve a purpose beyond making new plants and triggering sneezes. In ACS Biomaterials Science & Engineering, researchers report a new method for cleaning out the insides of pollen grains so that the non-allergenic shells can be used to carry medicines or vaccines into the human body.

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