日常家中的污水,會排放至污水處理廠作淨化處理。513Please respect copyright.PENANAbHM8l4Jddg513Please respect copyright.PENANAXb8ozYfrHk
但你有沒有想過,污水其實包含著各式各樣的資料呢?513Please respect copyright.PENANAl63lqCpLPC
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(圖2)圖中的星星為北京市的中心,而八個英文字母的所在地則為污水處理廠的位置。513Please respect copyright.PENANA9ChmWiSFUB513Please respect copyright.PENANAAlgzGttDJo
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有科學家特意從八道污水處理廠拿取未經處理過的污水,檢測裡頭的抗生素濃度(Ref1),初心是因為出自於人民對抗生素使用的認知不足。513Please respect copyright.PENANAsj8aiO0A97
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(圖3)中國在2017年對11,192個大學生作問卷調查,發現513Please respect copyright.PENANAULEvqK0zEP
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41%學生認為服食抗生素能夠加快流感治癒速度、513Please respect copyright.PENANAHT1n3kmDPX
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63%學生的家中有抗生素儲備,513Please respect copyright.PENANAQ3Iv2IW7aE
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56%學生未經醫生許可購買抗生素。513Please respect copyright.PENANAKMNImpPlbq
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其中913個學生中,有66%因報告疑似流惑徵狀而獲發抗生素。513Please respect copyright.PENANAs61eloYXr6
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流感是由病毒引起,抗生素並不會有助治療,反之濫用抗生素只會助長細菌建立抗性,百害而無一利。513Please respect copyright.PENANAogV5Q3DhEI
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(圖4)各種抗生素最終會有部份從排泄物的方式排出體外。513Please respect copyright.PENANAPjN23wNvGK513Please respect copyright.PENANAJBWHI4GfrV
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而基於各污水處的污水的Ammonium(銨)與附近的住宅人口調查成正比的關係,只要將抗生素在污水中的濃度與人體新陳代謝的比率作出調整,然後再除Ammonium的濃度,就可以獲得各地區市民服用抗生素的大概狀況。513Please respect copyright.PENANAQEskQ9WdtS
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(圖5)最後計算結果為:513Please respect copyright.PENANACed46X6K9a
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北京市每1萬人口每日服用約21.9克的抗生素。513Please respect copyright.PENANAiScHQL6jgy513Please respect copyright.PENANADGUcUpxsKW
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文中作者聲稱,此數據比早前的數據低出70%,判斷中國推行抗生素管理政策後非常有效。513Please respect copyright.PENANA44HDSuKV80
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而這種利用污水來調查人口社會狀況,學名為Wastewater-based epidemiology (WBE),不少國家亦都有廣泛使用的報告,其中印度芬蘭等國家亦在污水中找出武肺病毒的存在,而啟動病毒來源追溯程序。513Please respect copyright.PENANA7XNPfSOYiw
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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。513Please respect copyright.PENANAUumvagankX
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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/toc513Please respect copyright.PENANAvjvF60aSWw
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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。513Please respect copyright.PENANATTBhtweN6h
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Link:513Please respect copyright.PENANAMli5IjMC9y
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio513Please respect copyright.PENANA87pvjvvydT
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有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。513Please respect copyright.PENANAlDZDrPEW03
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https://www.instagram.com/potatopigtongue/513Please respect copyright.PENANAEWJbEpMlzr
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Ref1:https://www.sciencedirect.com/science/article/pii/S0160412018320877
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