稀土泛指17種特性相似的金屬,較常用在作醫療設備之上,其中一種 (Promethium, Pm)為具放射性的物質。680Please respect copyright.PENANAseKgOpLRlJ
680Please respect copyright.PENANAvC0mq8xjh8680Please respect copyright.PENANAZRpeGwZe10
680Please respect copyright.PENANArJKPi3hCM6
雖然它們被稱為稀土,但事實上它們並不真的是如此稀有。680Please respect copyright.PENANAMl8WlgDgsC
圖1圖中的圓點為各種稀土金屬蘊藏量,大部份與錫的含量相約,且遠高於大自然間的水銀含量。680Please respect copyright.PENANAnpUY8g7L4z
680Please respect copyright.PENANA2ypdnxuNe0
(圖2)近日有科學家發表文章(Ref2),從需要攝取稀土金屬才能運作的細菌中抽取一種名為Lanmodulin的蛋白質。680Please respect copyright.PENANAj7fJMFFkny
680Please respect copyright.PENANAFg8VSBwg5D680Please respect copyright.PENANAZOJwV4mjSd
680Please respect copyright.PENANAKc2n8267iq
這蛋白質有三大特性,680Please respect copyright.PENANADiDYJ1Ez0M
1.能夠選擇性地黏上稀土金屬,不會黏上銅鋅鎂等非稀土金屬。680Please respect copyright.PENANAfWuqZBlWmw
680Please respect copyright.PENANAXCqhbCRkxv
2.攝氏95度下仍然正常運作。680Please respect copyright.PENANATCnDyho79R
680Please respect copyright.PENANAtN9vn7LINI
3.pH2.5酸性環境仍能正常運作。680Please respect copyright.PENANAkAM7F9oIW0
680Please respect copyright.PENANADMxNJf3B0h
對比常用的一種金屬提取物質EDTA,Lanmodulin不但之對稀土金屬更具選擇性,而且親和力更高出5-10倍或以上。680Please respect copyright.PENANA2Tp0VKyY2a
680Please respect copyright.PENANA1IoCJSN24r
(圖3)電子廢物普遍會溶解在pH3.0的酸性環境使金屬呈離子狀態,有著Lanmodulin的幫助下,舊有的繁複及高能源消耗的提取稀土金屬辦法亦將能逐漸退出市場,各國亦能更有效從各電子儀器中回收稀土金屬,再進一步減少對中國的依賴。680Please respect copyright.PENANAL6zuJVBnGh
680Please respect copyright.PENANACLoaE91qHH680Please respect copyright.PENANAl5ooga96vU
680Please respect copyright.PENANAVx4FoqeMSA
680Please respect copyright.PENANAcu3ITGXF15
如果想我快啲出文的話,請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark,這對我非常之重要。680Please respect copyright.PENANAht9nXEo4Dr
680Please respect copyright.PENANA3WPG0PDgKw
Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc680Please respect copyright.PENANAgH0pX0TErQ
680Please respect copyright.PENANAy3D6vfZASV
同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」,以課金的方式推動我繼續搜羅資料寫文,多謝。680Please respect copyright.PENANA3Tly1c5YPl
680Please respect copyright.PENANA0FxhoPk3vZ
Link:680Please respect copyright.PENANAK41DO5Hniy
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio680Please respect copyright.PENANAVxpbVCnv1L
680Please respect copyright.PENANAU4PVNhizqn
680Please respect copyright.PENANAsPVITFMXzV
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。680Please respect copyright.PENANAnQQ4Va7RSh
680Please respect copyright.PENANAg52gI1tUzq
680Please respect copyright.PENANAyIPxkm5B5i
Ref1:https://pubmed.ncbi.nlm.nih.gov/30705185/680Please respect copyright.PENANAyo5p8adbea
Ref2:https://pubs.acs.org/doi/10.1021/acs.inorgchem.0c01303680Please respect copyright.PENANAiTQRIdNMvs
arrow_back
科普專欄–薯不揀單
more_vert
-
info_outline 資料
-
toc 目錄
-
share 分享
-
format_color_text 介面設置
-
exposure_plus_1 推薦
-
打賞
-
report_problem 檢舉
-
account_circle 登入
X
科普專欄–薯不揀單
作者:
薯仔聞茱莉

篇 #38
深入淺出–利用細菌蛋白質提取稀土金屬
喜歡 0
閱讀 676
書籤 150
campaign
催更 0
打賞

按此加載下一章
X
每次催更後,作者都會收到通知!
smartphone100 → 催更
×
寫下你喜歡這個故事的地方
×
對此喜歡的人