O le Polyhydroxyalkanoate (PHA), o se polyester intracellular fa'apipi'iina e le tele o meaola ninii, o se polymer biomaterial masani.
I sela microbial, aemaise siama siama, o loʻo i ai se numera tele o polymer polyesters - Polyhydroxyalkanoates (PHA).Ole mea fa'anatura polymer biomaterial lea.E le o faasino faapitoa i se polymer faapitoa, aese faaupuga lautele mo se vasega o polymers e tutusa fausaga ma meatotino eseese.
O le PHA ua matuaʻi oʻo i aifa vaega o le atinae.
O le augatupulaga muamua o le PHA, polyhydroxybutyrate (PHB), na tele-faʻatupuina e Chemie Linz AG i Austria i le 1980s (faʻaletausaga o le 100 tone).I le avea ai ma mea na maua muamua i le PHA, o le PHB o le fausaga sili ona faigofie ma sili ona taatele i le aiga PHA.O loʻo i ai le maualuga o le faʻatulagaga masani, mea faigata ma faʻaleagaina, ma o ona mea faʻainisinia ma mea faʻafefete e tutusa ma le polypropylene (PP);ae o le elongation i le motusia Low rate, brittleness maualuga.O le mea lea, e masani ona le mafai ona fa'aogaina le PHB o se mea e tasi ma e mana'omia ona toe fa'aleleia ina ia ausia le fa'atinoga talafeagai.
O le augatupulaga lona lua o le PHA, polyhydroxybutyric acid copolyester (PHBV), na faʻatauina e le ICI i le 1980s.O le PHBV o le PHA copolymer ma le mamafa mole mole e silia ma le 300,000.PHBV, e avea o se faʻaleleia atili o le gaosiga muamua o le PHB, ua faʻaleleia atili lona faʻamalosi pe a uma ona faʻaopoopoina le 3-hydroxyvalerate (3HV) monomer.Ona e mafai ona pala atoa i faapalaga, eleele, suasami ma isi siosiomaga, e lelei foi biocompatibility ma maualuga pa puipui faatinoga i vai ma kasa, avea PHBV o se mea e sili ona lelei enisinia tissue tagata mo le sutures faafomai.uaea, fao ponaivi, ma isi, ma e mafai foi ona faʻaaogaina e pei o faʻatoʻaga mulch,ato fa'atau, ipu laulau ma mea e teu ai meaai.I le taimi nei, o le gaosiga o oloa PHBV ua faʻalauteleina, ma ua faʻaaogaina i fata tapolo,mea'ai laulau lafoa'i, ata tifaga, ipu, afifi ma isi fanua.
O le tupulaga lona tolu o le PHA-poly 3-hydroxybutyrate-3-hydroxyhexanoate (PHBHHx), talu mai le 1998, Tsinghua University Microbiology Laboratory ma Guangdong Jiangmen Biotechnology Development Center ua manuia atiina ae hydroxybutyric acid mo le taimi muamua i le lalolagi O tekinolosi gaosiga gaosi oloa o le copolymer PHBHHx faʻatasi ma le hydroxycaproic acid, ma iloa ai le gaosiga tele.Pe a faatusatusa i le PHBV, o le PHBHHx e maualalo le tioata ma maualuga atu le ductility, ma o lona faatinoga e tutusa ma le polyethylene (PE) palasitika.
O le fa-tupulaga PHA-copolymer o le poly-3-hydroxybutyrate ma le 4-hydroxybutyrate (P3HB4HB poʻo le P34HB), o loʻo i ai mea lelei e fai ata tifaga ma mea faʻapitoa, ae le lelei le hydrophilicity.O le fa-tupulaga PHA ua faʻaalia lelei faʻamoemoega faʻaoga i le matata o suʻesuʻega faʻainisinia o mea, e pei o mea faʻapipiʻi i ponaivi faʻainisinia o mea e faʻapipiʻi ai sela o le mesenchymal stem cell, ma isi.
Ona o le PHA o loʻo i ai le biocompatibility lelei, biodegradability ma le faʻaogaina o le vevela o palasitika i le taimi e tasi.O le mea lea, e mafai ona faʻaaogaina e avea ma mea faʻaola mamea fa'apipi'i e mafai ona palai le taimi lava e tasi, lea ua avea ma nofoaga sili ona malosi suʻesuʻega i le fanua o biomaterials i tausaga talu ai nei.O le PHA fo'i e tele mea e fa'aopoopoina le tau maualuga e pei o mea e le laina laina, piezoelectricity, ma mea fa'alava kesi.
Kamupani a le WorldChampo le a saunia i taimi uma e sapalai ai leECO meai tagata fa'atau mai le lalolagi atoa,totini lima fa'apala, ato fa'atau, taga fa'atau, taga lapisi,mea'ai, mea'ai mea'ai, ma isi.
O le WorldChamp Enterprises o lau paaga sili lea e faʻaalu oloa a le ECO, o isi mea o oloa palasitika masani, e puipuia ai le paʻepaʻe paʻepaʻe, faʻamama ma mama a tatou vasa ma le lalolagi.
Taimi meli: Feb-10-2023