Deur René Lötter
By ‘n ou skoenfabriek aan die buitewyke van Parys is wetenskaplikes besig om ‘n nuwe plant te skep. En die maatskappy beweer die nuwe skepsel, “is ‘n bioloog se nat droom,” sê Patrick Torbey, hooftegnologiebeampte van Neoplants.
P1 is eintlik maar ‘n gewysigde vorm van die alombekende ou duiwels-klimop. P1 se DNA is aangepas om sy vermoë om sekere organiese verbindings soos formaldehied en benseen uit die lug te onttrek.
Hierdie genetiese aanpassings laat die plant ook toe om die stowwe wat dit absorbeer om te skakel in stowwe soos suiker en CO2 wat dit kan gebruik om te groei. P1 sal later vanjaar op die rakke verkoop word vir omtrent USD 179.
Tot dusver het die projek USD 20 miljoen in befondsing ingesamel van firmas insluitend True Ventures en Collaborative Fund.
Baie kwekerye verkoop sogenaamde “lugsuiweringsplante”.
Patch, ‘n gewilde aanlyn-kleinhandelaar, behou ‘n hele gedeelte van sy webwerf vir “lugreinigende binnenshuise plante.” Nog ‘n verkoper, Plantler, bied ‘n Air So Pure-pakket van palms en varings aan.
Baie van die ondersteuning vir hierdie projekte kom vanaf 1989, toe NASA saam met die Associated Landscape Contractors of America gewerk het om die vermoë van huisplante te bepaal om gifstowwe uit die lug te verwyder. Die ’Skoonlugstudie’ het probeer bewys dat, ja, huisplante kan sekere besoedelingstowwe absorbeer.
Maar die feit dat hierdie resultate buite die laboratorium eintlik nie toegepas kon word op werklike huise nie, was minder bekend. Deur ‘n plant in ‘n verseëlde kamer te plaas, besoedelingstowwe vir verskeie ure (of dae) daaroor te blaas en dan die resultate aan te teken, was nie ‘n akkurate replikasie van normale huisplanttoestande nie, erken navorsers.
Richard Corsi, dekaan van die Kollege vir Ingenieurswese by UC Davis, is ook krities teenoor wat hy hierdie “klein glaskamerstudies” noem.
Deur gebruik te maak van data van vorige plantstudies en berekeninge gebaseer op die beste scenario vir CADR, sê Corsi dat ‘n slaapkamer van ongeveer 200 vierkante voet soveel as 315 individuele plante sal benodig om formaldehied (en ander chemiese stowwe) se vlakke met 50 persent te verlaag. Om ‘n vermindering van 90 persent te kry, sal meer soos 2 800 plante benodig. Skaal dit op tot ‘n hele woonstel of huis, en jy koester ‘n digte oerwoud.
Lees die volle artikel in Wired hier: https://www.wired.com/story/neoplants-air-purification-pothos-devils-ivy
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