Sebaka se belang sa likhato tse 5900 tsa Celsius le boima bo kang taemane bo kopane le khabone:tungstenke tšepe e boima ka ho fetisisa, leha ho le joalo e na le mesebetsi ea tlhaho—haholo-holo ho likokoana-hloko tse ratang mocheso.Sehlopha se etelletsoeng pele ke Tetyana Milojevic oa Lefapha la Khemistri Univesithing ea Vienna o tlaleha ka lekhetlo la pele likokoana-hloko tse sa tloaelehang-tungstenlitšebelisano tsa nanometer.E itšetlehile ka liphuputso tsena, eseng feelatungstenbiogeochemistry, empa hape le ho phela ha likokoana-hloko maemong a ka ntle a sepaka-pakeng ho ka batlisisoa.Liphetho li hlahile haufinyane korantengMeeli ho Microbiology.

Joaloka tšepe e thata le e sa tloaelehang,tungsten, ka thepa ea eona e sa tloaelehang le sebaka se phahameng ka ho fetisisa sa ho qhibiliha ho feta litšepe tsohle, ke khetho e ke keng ea etsahala bakeng sa tsamaiso ea likokoana-hloko.Ke likokoana-hloko tse 'maloa feela, tse kang thermophilic archaea kapa cell nucleus-free microorganisms, tse ikamahanyang le maemo a feteletseng a tikoloho ea tungsten' me li fumane mokhoa oa ho kopanya.tungsten.Liphuputso tse peli tsa morao-rao tse entsoeng ke setsebi sa biochemist le bolepi ba linaleli, Tetyana Milojevic oa Lefapha la Biophysical Chemistry, Faculty of Chemistry Univesithing ea Vienna, li fana ka leseli mabapi le karolo e ka bang teng ea likokoana-hloko ka har'a naha.tungsten-e ruisang tikoloho le ho hlalosa nanoscaletungsten- Khokahano ea likokoana-hloko ea mocheso o feteletseng- le microorganism e ratang asiti Metallosphaera sedula e hōlileng katungstenmetsoako (Litšoantšo 1, 2).Hape ke microorganism ena e tla lekoa bakeng sa ho phela nakong ea maeto a linaleli lithutong tse tlang tikolohong ea sepakapaka.Tungstene ka ba ntlha ea bohlokoa ho sena.

Ho tlohatungstenpolyoxometalates e le meralo e bolokang bophelo ea inorganic ho microbial bioprocessing eaore ea tungsten

Joalo ka lisele tsa ferrous sulfide mineral, artificial polyoxometalates (POMs) li nkuoa e le lisele tsa inorganic ho thusa lits'ebetso tsa lik'hemik'hale tsa pele ho bophelo le ho bonts'a litšoaneleho tsa "bophelo".Leha ho le joalo, bohlokoa ba li-POM mekhoeng ea ho boloka bophelo (mohlala, ho phefumoloha ha likokoana-hloko) ha bo so ka bo rarolloa."Re sebelisa mohlala oa Metallosphaera sedula, e hōlang ka acid e chesang 'me e phefumoloha ka oxidation ea tšepe, re ile ra batlisisa hore na litsamaiso tse rarahaneng tsa inorganic tse thehiloeng ho lihlopha tsa tungsten POM li ka boloka kholo ea M. sedula le ho hlahisa ho ata ha lisele le ho arohana," ho bolela Milojevic.

Bo-rasaense ba ile ba khona ho bontša hore tšebeliso eatungsten-Lihlopha tsa POM tse thehiloeng ho inorganic li nolofalletsa ho kenyelletsoa ha mefuta e mengatatungstenredox liseleng tsa likokoana-hloko.Li-depositi tsa organometallic tse lipakeng tsa M. sedula le W-POM li ile tsa qhaloa ho fihla boemong ba nanometer nakong ea tšebelisano e ntle le Setsi sa Austria sa Electron Microscopy and Nanoanalysis (FELMI-ZFE, Graz).Liphuputso tsa rona li eketsa M. sedula e kentsoeng ka tungsten ho lirekoto tse ntseng li hōla tsa mefuta ea likokoana-hloko tse nang le biomineralized, tseo har'a tsona li-archaea li emeloa ka seoelo, "ho boletse Milojevic.The biotransformation eatungsten mineralscheelite e entsoeng ke thermoacidophile e feteletseng M. sedula e lebisa ho robeheng ha sebopeho sa scheelite, ho ba le solubilization e latelang.tungsten, letungstenmineralization ea microbial cell surface (Setšoantšo sa 3).The biogenictungsten carbide-e kang nanostructures e hlalositsoeng thutong e emela li-nanomaterial tse ka tšoarellang tse fumanoeng ke moralo o thusang tikolohong oa thuso ea likokoana-hloko.

“Liphetho tsa rona li supa hore liforomo tsa M. sedulatungsten-bearing mineralized cell surface via encrusting withjoalo ka tungsten carbidemetsoako,” ho hlalosa setsebi sa k'hemistri ea lintho tse phelang Milojevic.Senatungsten-encrusted lera thehoa ho pota lisele tsa M. sedula ka 'na hantle haholo emela leano microbial ho mamella maemo a thata a tikoloho, tse kang nakong ea leeto interplanetary.Tungstenencapsulation e ka sebetsa e le lihlomo tse matla tsa radioprotective khahlano le maemo a thata a tikoloho.Milojevic o phethela ka hore: "Lihlomo tsa tungsten tse nyenyane haholo li re thusa ho tsoela pele ho ithuta ka ho tsoela pele ho phela ha kokoana-hloko ena sebakeng se ka ntle," ho phethela Milojevic.