Abu mai kama da ulu zai iya tunawa kuma ya canza fasali

Kamar yadda duk wanda ya taba gyara gashin kansa ya sani, ruwa makiyi ne. Gashi da zafi madaidaiciya ya gyara zai dawo cikin curls ɗin minti ɗaya ya taɓa ruwa. Me ya sa? Saboda gashi yana da memory memory. Abubuwan kayan sa suna ba shi damar canza fasali don amsawa ga wasu abubuwan motsa jiki kuma ya koma yadda yake na asali don mayar da martani ga wasu.
Me zai faru idan sauran kayan aiki, musamman kayan masarufi, suna da irin wannan ƙwaƙwalwar ajiyar? Ka yi tunanin t-shirt mai huɗu masu huɗa wanda aka buɗe lokacin da aka fallasa shi ga danshi kuma ya rufe lokacin da ya bushe, ko kuma ya dace-duka suturar da ta shimfiɗa ko raguwa zuwa ma'aunin mutum.
Yanzu, masu bincike a Harvard John A. Paulson Makarantar Injiniya da Kimiyyar Aiyuka (SEAS) sun ƙaddamar da kayan haɗi wanda zai iya zama 3D-bugawa cikin kowane nau'i kuma an tsara shi tare da ƙwaƙwalwar ajiyar siffar da za a iya sauyawa. Ana yin kayan ta amfani da keratin, furotin wanda ke cikin gashi, kusoshi da bawo. Masu binciken sun ciro keratin din daga ragowar Agora ulu da aka yi amfani da shi wajen kera masaku.
Binciken zai iya taimakawa kokarin da ake yi na rage barnata kayayyaki a masana'antar kera kayayyaki, daya daga cikin manyan masu gurbata muhalli a duniya. Tuni, masu zane-zane irin su Stella McCarthy ke sake yin tunanin yadda masana'antar ke amfani da kayan aiki, gami da ulu.
"Tare da wannan aikin, mun nuna cewa ba kawai za mu iya sake amfani da ulu ba amma za mu iya gina abubuwa daga cikin ulu da aka sake amfani da shi wanda ba a taba yin tunanin sa ba," in ji Kit Parker, Tarr Family Professor of Bioengineering and Applied Physics at SEAS and senior marubucin takarda. “Abubuwan da ke tattare da dorewar albarkatun kasa a bayyane suke. Tare da furotin da aka sake amfani da shi na keratin, za mu iya yin daidai, ko fiye, fiye da abin da aka yi ta sausayar dabbobi har zuwa yau kuma, yin hakan, zai rage tasirin muhalli na masana'antun masaku da suttura. ”
An buga binciken a cikin Kayan Yanayi.
Mabuɗin canza fasalin keratin shine canza tsarinsa, in ji Luca Cera, wani abokin aikin digiri a SEAS kuma marubucin farko na jaridar.
An tsara sarkar keratin guda ɗaya a cikin tsari mai kama da bazara da aka sani da alpha-helix. Biyu daga cikin wadannan sarƙoƙi suna haɗuwa tare don samar da wani tsari da aka sani da murfin murɗawa. Yawancin waɗannan murhunan da aka harhaɗa suna haɗuwa cikin maganganu kuma ƙarshe manyan zaren.
Cera ta ce "Kungiyar alpha helix da alakar hadewar sinadarai tana baiwa kayan karfi da kuma kwarin gwiwa."
Lokacin da aka miƙa zare ko aka fallasa shi ga wani abin motsawa, tsarin abubuwa masu kama da bazara sun buɗe, kuma shaidu suna daidaita don samar da katangar beta. Fibirin yana kasancewa a wannan matsayin har sai ya sami damar juyawa zuwa yadda yake.
Don nuna wannan aikin, masu binciken 3D-buga zanen keratin a siffofi da yawa. Sun tsara fasalin abu na dindindin - sifar da koyaushe zata dawo dashi lokacin da aka kunna ta - ta amfani da maganin hydrogen peroxide da monosodium phosphate.
Da zarar an saita ƙwaƙwalwar, za a iya sake tsara takardar kuma a tsara ta cikin sababbin sifofi.
Misali, an narkar da takardar keratin daya cikin tauraruwar origami mai rikitarwa a matsayin madawwamin fasali. Da zarar an saita ƙwaƙwalwar, sai masu binciken suka dunƙule tauraron cikin ruwa, inda ya buɗe kuma ya zama mai laushi. Daga can, suka narkar da takardar a cikin wani bututu mai tsauri. Da zarar sun bushe, sai a kulle takardar a matsayin bututun da ke tsayayye da aiki. Don juya tsarin, sai suka mayar da bututun cikin ruwa, inda ya kwance shi kuma ya nade shi cikin tauraron origami.
Cera ta ce "Wannan matakin matakai biyu na 3D buga abu sannan kuma sanya fasali na dindindin yana ba da damar kirkirar sifofi masu rikitarwa masu fasali tare da sifofin tsari har zuwa matakin micron," in ji Cera. "Wannan ya sa kayan sun dace da yawancin aikace-aikace daga yadi zuwa injiniyan nama."
Parker ya ce: "Ko kuna amfani da zaren foda kamar wannan don yin brassieres wanda za a iya kebanta girman kofinsa da fasalinsa a kowace rana, ko kuma kuna kokarin sanya masaku masu motsa jiki don likitancin likita, hanyoyin ayyukan Luca suna da fadi da kuma ban sha'awa," in ji Parker "Muna ci gaba da sake tunani kan yadudduka ta hanyar amfani da kwayoyin halitta a matsayin kayan aikin injiniya kamar ba a taba amfani da su ba."


Post lokaci: Sep-21-2020