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. 2018 Jul 13;6(9):11853–11868. doi: 10.1021/acssuschemeng.8b02151

Figure 2.

Figure 2

(a) Number of publications per year according to a search with Web of Science (March 2018) using the search terms “TI = (polymer* or biopolym* or biomacrom*) and TI = (particle* or nanoparticle* or microparticle* or bead* or microbead* or nanobead* or capsule* or microcapsule* or nanocapsule* or microsphere* or nanosphere*) and refined by TOPIC: (production or isolation or synthesis or development or separation). (b) Number of publications per year according to Web of Science (March 2018) using the search terms “TI = (Lignin*) and TI = (particle* or nanoparticle* or microparticle* or bead* or microbead* or nanobead* or capsule* or microcapsule* or nanocapsule* or microsphere* or nanosphere*) NOT TS = (particleboard* or board*). Field tags: TI = title, TS = topic.