Yawancin mutane ba su san wannan ba, amma wasu mutane suna da rashin lafiyankarafa.Bisa ga bayanan baya da aka buga a cikin wata sabuwar labarin, kashi goma cikin dari na al'ummar Jamus suna rashin lafiyar nickel.
Amma magungunan likitanci suna amfani da nickel.Ana ƙara yin amfani da alluran nickel-titanium a matsayin kayan da ake amfani da su na zuciya da jijiyoyin jini a cikin hanyoyin da ba su da yawa, kuma bayan dasawa, waɗannan allunan suna sakin ƙananan nickel saboda lalata.Yana kawo hadari?
Kungiyar masu bincike daga Jena, Farfesa Rettenmayr da Dokta Andreas Undis, sun bayar da rahoton cewa, wayoyi da aka yi daga wani sinadarin nickel-titanium na fitar da nickel kadan kadan, ko da na tsawon lokaci.Lokacin gwaji don sakin ƙarfe ƴan kwanaki ne kawai, kamar yadda gwamnati ta buƙata don amincewa da shukar likita, amma ƙungiyar binciken Jena ta lura da sakin nickel na tsawon watanni takwas.
Abun da aka yi nazari shine siririyar waya da aka yi da sinadarin nickel-titanium alloy na superelastic, wanda ake amfani da shi, alal misali, a cikin nau'in occluder (waɗannan kayan aikin likita ne da ake amfani da su don gyara lahani na zuciya).Occluder yawanci ya ƙunshi ƙananan waya biyuraga"Laima" game da girman tsabar kudin Yuro.Za a iya jawo dashen superelastic da injina cikin wata siririyar waya wadda za a iya sanya shi a cikin catheter na zuciya."Ta wannan hanyar, za a iya sanya occluder tare da hanyar da ba ta da yawa," in ji Undisch.Da kyau, dasawa zai kasance a cikin majiyyaci na tsawon shekaru ko shekarun da suka gabata.
Occluder sanya daga nickel-titanium gami.Ana amfani da waɗannan na'urori na likitanci don gyara ɓacin rai septum na zuciya.Credit: Hoto: Jan-Peter Kasper/BSS.
Dalibar Undis da digiri na uku Katarina Freiberg sun so su gano abin da ya faru da wayar nickel-titanium a wannan lokacin.Sun ƙaddamar da samfuran waya tare da magunguna daban-daban da magunguna daban-daban zuwa ruwan ultrapure.Sannan sun gwada sakin nickel bisa ƙayyadaddun tazarar lokaci.
Undish ya ce: "Wannan ba ƙaramin abu ba ne, domin yawan adadin ƙarfen da ake fitarwa yawanci yana kan iyaka.", ya yi nasarar haɓaka tsarin gwaji mai ƙarfi don auna tsarin sakin nickel.
"Gaba ɗaya, a cikin kwanaki na farko da makonni, dangane da riga-kafi na kayan aiki, za a iya fitar da adadi mai yawa na nickel," Undisch ya taƙaita sakamakon.A cewar masana kimiyyar kayan, wannan ya faru ne saboda nauyin injin da aka saka a lokacin aikin.“Lalacewar na lalata siraren oxide da ke rufe kayan.Sakamakon shine karuwa a farkonnickelmurmurewa."nickel mu sha ta hanyar abinci kowace rana adadin.
A cikin Kimiyya 2.0, masana kimiyya 'yan jarida ne, ba tare da nuna bambanci na siyasa ko sarrafa edita ba.Ba za mu iya yin wannan kaɗai ba, don haka don Allah ku yi naku na musamman.
Mu ba mai riba ba ne, Sashe na 501(c)(3) kamfanin labarai na kimiyya wanda ke ilmantar da mutane sama da miliyan 300.
Kuna iya taimakawa wajen ba da gudummawar kyauta a yau kuma gudummawar ku za ta tafi 100% zuwa shirye-shiryenmu, ba albashi ko ofis.