排出大海的塑膠,經過紫外線、物理或者生物分解的作用等,將會拆解成為微形塑膠粒。1212Please respect copyright.PENANA7fFWoqQUPv1212Please respect copyright.PENANAH5Ss0dD4l2
如圖中所示,被分解的膠粒將依據其體積大細,而被賦上不同的命名。1212Please respect copyright.PENANAn8rA4qr7Ql
1212Please respect copyright.PENANAWQYWFcpEDO
(圖2)箭嘴所指的為3μm的microplastic,可以見得到microplastic會黏在細胞的表面,同時細胞亦有能力將microplastic吞進內部。1212Please respect copyright.PENANAhHEGXbm2Co1212Please respect copyright.PENANANn9ZN4DxpD
1212Please respect copyright.PENANARV01MHFPl9
(圖3)塑膠粒體積過大的話,細胞便無法把它吞進內部。1212Please respect copyright.PENANAGCQJbhP18J1212Please respect copyright.PENANAZf1YQHthKw
但是,如圖中所示,若某特定會被細胞外部接收器吸收的物質黏附在體積相對為大的塑膠粒表面,大型塑膠粒便能經由細胞接收器輔助進入體內。1212Please respect copyright.PENANAXm0POpUyAr
1212Please respect copyright.PENANADHK0pFSG7l
(圖4)科學家證實(Ref2),對比浸在乾淨水裡,浸在淡/鹹水4星期的塑膠粒將更有效率進入細胞內部,而淡水及鹹水兩者對塑膠粒的影響則為相約。1212Please respect copyright.PENANAiw4m8y6w9G1212Please respect copyright.PENANAgOq37ySmHZ
這相信是因為水裡不同的物質黏附在塑膠粒表面上,從而輔助塑膠粒進入細胞內。1212Please respect copyright.PENANA8KN9wGKSuo
1212Please respect copyright.PENANAePZ7aqhWBe
而乾淨水並無外來物質,因此沒能輔助塑膠粒進入細胞內部,故比浸在淡/鹹水4星期的塑膠粒較為遜色。1212Please respect copyright.PENANAjQCw1xn7eL
1212Please respect copyright.PENANAoi9YbH33TB
1212Please respect copyright.PENANACsT7F85hBS
(圖5)現實中,被分解的膠粒在大海中會遇上各種外來物質,形成名為Ecocorona的外膜。1212Please respect copyright.PENANA9VojkyIZWl1212Please respect copyright.PENANA26VtI1dP58
1212Please respect copyright.PENANAKd7lOxER3n
與體積相同的塑膠粒作對比,擁有Ecocorona外膜的塑膠粒會比工業原始出產版本的塑膠粒更有效率進入人體細胞內部(Ref1)。1212Please respect copyright.PENANApOf3mvOfWJ
1212Please respect copyright.PENANAzoDXb3HLiE
由此可見,長期攝取排放在海洋中的塑膠粒對身體的影響究竟會有多大這話題,絕對值得作深入的研究和檢討。1212Please respect copyright.PENANAB644PplXGZ
1212Please respect copyright.PENANAOyR1xooYby
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。1212Please respect copyright.PENANAMEBjfjUzjv
1212Please respect copyright.PENANABS1TOGiYzw
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/toc1212Please respect copyright.PENANAZB8BV4IaSC
1212Please respect copyright.PENANA0nyuQiNXdn
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。1212Please respect copyright.PENANA6gAfSGGTtU
1212Please respect copyright.PENANAKDQj6Y14j2
Link:1212Please respect copyright.PENANANAEc2h425R
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio1212Please respect copyright.PENANAhWQFVK2ULw
1212Please respect copyright.PENANAeARa984kfr
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。1212Please respect copyright.PENANAsapYZiMLNE
1212Please respect copyright.PENANAq8G52VXGuQ
https://www.instagram.com/potatopigtongue/1212Please respect copyright.PENANAazNNWgxFOZ
1212Please respect copyright.PENANAxqoDBqJhz8
1212Please respect copyright.PENANAatsUdVkyjz
Ref1:https://www.nature.com/articles/s41559-017-01161212Please respect copyright.PENANAnn9R6O8aUF
Ref2:https://advances.sciencemag.org/content/6/50/eabd1211/tab-pdf1212Please respect copyright.PENANA6fBBLyWfTt