I ka lāʻau lapaʻau, hoʻohana nui ʻia nā huahana kānana i ka hana lāʻau lapaʻau, biotechnology, nā lāʻau lapaʻau, a me nā māla ʻē aʻe.Hiki iā lākou ke kānana a wehe i nā mea ʻino e like me nā haumia, microorganisms, bacteria, virus, a me nā protein i loko o ka wai, e hōʻoiaʻiʻo ana i ka maʻemaʻe a me ka palekana o nā lāʻau lapaʻau a me nā mea lapaʻau.