Masayendisiti akagadzira nyowani isiri-chepfu, biodegradable uye antimicrobial chikafu coating inogona kuderedza marara echikafu uye chirwere chekudya pasina kuwedzera epurasitiki kunharaunda. Chidzidzo chitsva chinoratidza kuti chinhu ichi chinogona kupfapfaidzwa pamuriwo. Usati wazvidya, kuumbwa kunoshambidzwa nyore nyore nemvura. Mhedzisiro yeongororo yakabudiswa June 20, 2022 pa Zvisikwa Chikafu.
Plastiki inogona kuramba iri mumhepo kwenguva yakareba, asi iyo nyowani yekuputira i biodegradable. Iyo yakavakirwa pa pullulan, polysaccharide polymer inotorwa kubva kune starch. Iko kupfekedza kunosanganisira zvisikwa zveantimicrobial ingredients (citric acid uye thyme oil) pamwe ne nisin preservative, iyo yose inoonekwa seyakachengeteka kuvanhu (kana inopedzwa muhuwandu hunonzwisisika).
Kuti vagadzire kupfeka uku, masayendisiti akashandisa nzira inonzi focused rotary jet spinning, kana kuti FRJS. Iyo FRJS sisitimu inogona kufananidzwa nemuchina wechihwitsi wedonje unokurumidza kuruka shuga yakanyunguduka nemumaburi madiki kuti ibudise shinda dzakatetepa dzinogona kumonerwa pabepa koni. FRJS inogadzirawo yakanangana ne spider web fibers (munyaya iyi yakagadzirwa kubva ku pullulan, kwete shuga ine flavour) inogona kuputirwa nechikafu.
Chikwata chakayedzawo kuti kupfeka kwakavandudza sei kuchengetedzwa kwechikafu. Vatsvagiri pavakamhanyisa bvunzo dzinodiwa, vakaona kudzikiswa kwehuwandu hwebhakitiriya uye fungal pamusoro pezvigadzirwa. Vesainzi vakaonawo kuti makotapeya akavharidzirwa akanga asinganyanyi kuora, uye chikamu che50% chete chemuchero chakaparara mukati mevhiki zvichienzaniswa ne90% yemakotapeya asina kuvharwa. Maavocado akavharidzirwa ainyanya kuchengetedza ruvara rwemukati rwegirini.
Kunyangwe iyi isiri yekutanga antimicrobial coating yechikafu, vaongorori vanotenda kuti vakagadzira yakanyanya kushanda uye nyore kudzokorodza sarudzo kusvika parizvino. Vanoti tekinoroji yekupfapfaidza inoda kushoma zvinhu zvekutanga, zvichiita kuti inyatsoshanda kupfuura silk fiber coatings, izvo zvinoda kuti zvigadzirwa zvitange zvanyudzwa mukati mezvinhu zvobva zvaomeswa. Kumwe kuedza kwepurasitiki-isina chikafu chekudya kwaisanganisira cellulose-based films; haakwanise kugezwa, uye mamwe anotoda kugadzikiswazve.
Chikwata parizvino chiri kushanda mukukwenenzvera nzira yekuputira yekugadziriswa panguva imwe chete yezvinhu zvakawanda zvechigadzirwa. Masayendisiti ari kufunga zvakawanda zvingasarudzwa, kusanganisira pipeline-based system, asi izvi zvichiri mumatanho ekutanga ekuronga.