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。487Please respect copyright.PENANArZvlICe4Lj
487Please respect copyright.PENANABR9PslInZz487Please respect copyright.PENANAkGz4Fw47CN
487Please respect copyright.PENANABRYyyhGdXo
雖然它們被稱為稀土,但事實上它們並不真的是如此稀有。487Please respect copyright.PENANAAyHycQ9Y8z
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。487Please respect copyright.PENANAQsW9H8CsSA
487Please respect copyright.PENANAKaq6JeSlsj
(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。487Please respect copyright.PENANAXandYyZSeh
487Please respect copyright.PENANAkSprkifRFy487Please respect copyright.PENANADAmcNBJdBk
487Please respect copyright.PENANAQ6LWE2Yekj
這蛋白質有三大特性,487Please respect copyright.PENANAkmAheIpwOj
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。487Please respect copyright.PENANAU3GHDdWXVP
487Please respect copyright.PENANAoDDr8zguKN
2.攝氏95度下仍然正常運作。487Please respect copyright.PENANALyjYcMnbwv
487Please respect copyright.PENANAvPis19ApvS
3.pH2.5酸性環境仍能正常運作。487Please respect copyright.PENANAOhI768GUBW
487Please respect copyright.PENANARKeuBLLwhA
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。487Please respect copyright.PENANAGwVHER5Xyr
487Please respect copyright.PENANARn7wY4ydKd
(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。487Please respect copyright.PENANAjxe5GnULeN
487Please respect copyright.PENANAXD9LK5u7rM487Please respect copyright.PENANAfywA5S2286
487Please respect copyright.PENANAq0tlZF3n2F
487Please respect copyright.PENANAfPxGiLF1Ux
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。487Please respect copyright.PENANAPZYagQP7hw
487Please respect copyright.PENANAuYNrf1H238
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/toc487Please respect copyright.PENANAeS7sxHlk4P
487Please respect copyright.PENANAdr5ds2KFBv
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。487Please respect copyright.PENANAK8GSDZjv9h
487Please respect copyright.PENANATv28DIIvAe
Link:487Please respect copyright.PENANAIypldR8HW9
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio487Please respect copyright.PENANA7A38JOgTgb
487Please respect copyright.PENANAyR366vIN44
487Please respect copyright.PENANAWaWaM8RVOV
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。487Please respect copyright.PENANAZ9XtDo7iIk
487Please respect copyright.PENANADn6316rbXM
487Please respect copyright.PENANACjZun5ock1
Ref1:https://pubmed.ncbi.nlm.nih.gov/30705185/487Please respect copyright.PENANAIAVHP61zHV
Ref2:https://pubs.acs.org/doi/10.1021/acs.inorgchem.0c01303487Please respect copyright.PENANAl1hJBMNDFq
arrow_back
科普專欄–薯不揀單
more_vert
-
info_outline Info
-
toc Table of Contents
-
share Share
-
format_color_text Display Settings
-
exposure_plus_1 Recommend
-
Sponsor
-
report_problem Report
-
account_circle Login
Search stories, writers or societies
Continue ReadingClear All
What Others Are ReadingRefresh
X
Never miss what's happening on Penana!
科普專欄–薯不揀單
Author:
薯仔聞茱莉
![薯仔聞茱莉](https://static2.penana.com/fit-in/24x24/images/users/large/10/56/10560680635a34d605a71d62.38826921-27349.jpeg)
ISSUE #38
深入淺出–利用細菌蛋白質提取稀土金屬
LIKES 0
READS 483
BOOKMARKS 148
campaign
Request update 0
Sponsor
![](https://static2.penana.com/img/social/facebook.png)
Click to load the next chapter
X
After each update request, the author will receive a notification!
smartphone100 → Request update
X
Sponsor again
Click to login
Login first to show your name as a sponsor.
Thank you for supporting the story! :)
Please Login first.
×
Write down what you like about the story
×
Reading Theme:
Font Size:
Line Spacing:
Paragraph Spacing:
Load the next issue automatically
Reset to default
×
People Who Like This