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。701Please respect copyright.PENANAU292RaUyJ7
701Please respect copyright.PENANA07qaRIMjbQ701Please respect copyright.PENANAILrIIFSRo8
701Please respect copyright.PENANAtsxNWcmz60
雖然它們被稱為稀土,但事實上它們並不真的是如此稀有。701Please respect copyright.PENANA34dT31KOYe
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。701Please respect copyright.PENANAUO3vk5KbI1
701Please respect copyright.PENANA2sVDnvUWrM
(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。701Please respect copyright.PENANAVB0gcoOjPI
701Please respect copyright.PENANAg3rjNi8wQw701Please respect copyright.PENANAKDkg9icjvm
701Please respect copyright.PENANAxLLbsED6kZ
這蛋白質有三大特性,701Please respect copyright.PENANAzuG8pCUe1s
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。701Please respect copyright.PENANAy8vfLe7dmY
701Please respect copyright.PENANAugpmMoQA5A
2.攝氏95度下仍然正常運作。701Please respect copyright.PENANAEkZFShxcjT
701Please respect copyright.PENANACWKy8UBtXm
3.pH2.5酸性環境仍能正常運作。701Please respect copyright.PENANAevzY9RW3QW
701Please respect copyright.PENANAC1LQ8iSfa7
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。701Please respect copyright.PENANAXKW9n7RuL7
701Please respect copyright.PENANA5lF8f4f9dX
(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。701Please respect copyright.PENANAxyP4W5nLkX
701Please respect copyright.PENANADV3YIKw4UJ701Please respect copyright.PENANA1NN6wmH6Pf
701Please respect copyright.PENANAcs9KyTZBVp
701Please respect copyright.PENANAvvo5PDDllA
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。701Please respect copyright.PENANAtJqjzBR8md
701Please respect copyright.PENANAL7R44GXIQW
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/toc701Please respect copyright.PENANAnUFefhSsta
701Please respect copyright.PENANAli26NKiz2h
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。701Please respect copyright.PENANAtzAnW9Y7tO
701Please respect copyright.PENANAVky3mCyYUw
Link:701Please respect copyright.PENANAUL7CUcPZIP
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio701Please respect copyright.PENANAZRrPQ8kgBY
701Please respect copyright.PENANAitbO6eVDmH
701Please respect copyright.PENANAVOCGlrr2ib
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。701Please respect copyright.PENANAaEPkCOEhsp
701Please respect copyright.PENANAzuQIwZkyaQ
701Please respect copyright.PENANAQL2waB3K8B
Ref1:https://pubmed.ncbi.nlm.nih.gov/30705185/701Please respect copyright.PENANAIgZmRsFKCt
Ref2:https://pubs.acs.org/doi/10.1021/acs.inorgchem.0c01303701Please respect copyright.PENANA77yikGwH09
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 697
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