O mea e pala i le natura o mea ia e mafai ona vaevaeina atoa i ni mea e maualalo le molekiula e ala i meaola ninii (e pei o siama, fungi, ma limu, ma isi mea faapena) i lalo o tulaga faalenatura o le siosiomaga e talafeagai ma mafai ona faaalia. I le taimi nei, ua vaevaeina tele i ni vaega autu e fa: polylactic acid (PLA), PBS, polylactic acid ester (PHA) ma le polylactic acid ester (PBAT).
O le PLA e saogalemu i meaola, pala i meaola, lelei meatotino fa'amekanika ma faigofie ona fa'agasolo, ma e fa'aaogaina lautele i afifiina, ie, ata palasitika fa'ato'aga ma alamanuia polymer biomedical.
E mafai ona faʻaaogaina le PBS i ata afifiina, ipu 'ai, mea e afifi ai foam, fagu e faʻaaoga i aso faisoo, fagu vailaʻau, ata faʻatoʻaga, mea e faʻagesegese ai le faʻasaʻolotoina o faʻapalaga iniseti ma isi matāʻupu.
E mafai ona faʻaaogaina le PHA i oloa e lafoaʻi ese, ofu taʻotoga mo masini faafomaʻi, taga afifiina ma taga faʻapalapala, suʻi faafomaʻi, masini toe faʻaleleia, fusi, nila orthopedic, ata tifaga e teteʻe ai i le pipii ma stent.
O le PBAT e iai ona lelei i le faʻatinoga lelei o le fausiaina o ata tifaga ma le faigofie ona eliina o ata tifaga, ma e faʻaaogaina lautele i le vaega o ata tifaga afifiina e lafoaʻi ma ata tifaga faʻatoʻaga.