金屬可以說是科技的來源。500Please respect copyright.PENANA9KvQ4USwvt
以銅為例,它可以製作成為各式各樣的感應器、太陽能電池、防菌薄膜等等。500Please respect copyright.PENANAd4t0KqUGuJ500Please respect copyright.PENANAE9NRb54Fuc
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(圖2)近日有研究報告指出,在巴西銅礦中發現到有一品種的細菌可以從含銅的液體中提煉出銅金屬。500Please respect copyright.PENANAd5Zt7tmB5C500Please respect copyright.PENANAlL9IXpK8vQ
500Please respect copyright.PENANAn8JWLtbUZ2
從圖中可見,當細菌養殖在藍綠色的CuSO4液體(含銅的液體)後48小時(攝氏28度),液體便變成為金屬銅的銅色。500Please respect copyright.PENANAw70N7GnBrA
500Please respect copyright.PENANA5G473XRlLJ
利用各種顯微鏡及相關的技術,科學家確認該細菌的確是提煉出銅金屬。500Please respect copyright.PENANAphoOIOKn7s
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(圖3)比較兩種飼養情況,在含銅的情況下,該細菌共表達出145種正常情況下不會表達的蛋白質。500Please respect copyright.PENANAzfHoIJfq0m500Please respect copyright.PENANAzZ7BKH4uoc
500Please respect copyright.PENANAyu02Ntly6e
暫時所假定的機制,相信是由細菌內含鐵的部份再加上檸檬酸鹽的新陳代謝協助,該細菌才得以從含銅液體中提煉出銅金屬。500Please respect copyright.PENANAUHhmsZlmTx
500Please respect copyright.PENANA07fSdGCXVn
若能將此投入工業化,將會大大減低提煉銅金屬所消耗的能源。500Please respect copyright.PENANAGZ7fxznidQ
500Please respect copyright.PENANAyzO8VV3szn
500Please respect copyright.PENANAWeMysOVRX6
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。500Please respect copyright.PENANA18EiIYuzkO
500Please respect copyright.PENANAdn2PhNm1VC
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/toc500Please respect copyright.PENANA8UNB27Rl2L
500Please respect copyright.PENANAk1JLIKD45c
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。500Please respect copyright.PENANANYfzHEuwKL
500Please respect copyright.PENANA76aaDwgX6I
Link:500Please respect copyright.PENANANdZP5gmILp
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio500Please respect copyright.PENANALjAC3DJNjl
500Please respect copyright.PENANAv8emt2VBwE
500Please respect copyright.PENANANTiR5cHHjl
除非Facebook及IG重開侵侵的account,否則我的IG將不會再作更新,只會寄居本土LIHKG及Penana。500Please respect copyright.PENANA8UmOE0XiHE
500Please respect copyright.PENANAdrK5GdyTM0
Ref1:https://advances.sciencemag.org/content/7/17/eabd9210500Please respect copyright.PENANAHIXbG3mbG1
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科普專欄–薯不揀單
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科普專欄–薯不揀單
Author:
薯仔聞茱莉

ISSUE #214
三十秒科學–銅之鍊金細菌
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