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resistant 病毒, to what antimicrobial plastics good use?

Date: 2020-05-17 09:56 Views: 2392 Source: Internet

时 lower, antimicrobial plastics formed is hot 点话题. 似乎不 tube/pipe 空调, machine, also is 冰箱, use antimicrobial plastics, can safety 无忧.

that 么, antimicrobial plastics true can resistant 病毒吗? is for new 冠病毒 has made function?

谈 to this issues, 我们首先 need 搞清楚 fine and between difference, can for antimicrobial plastics has more deep 刻 理 understanding.

Common property micro material, remove 病毒 and fine 菌, also has 霉菌. lower 面, 我们就 discussion lower, this type micro material has which difference?

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病毒

病毒算 is most simple material 体, simple to “令人发指” 程 degree, has soft/flexible 蛋白质包裹 generally ultra- 15 sheet/slice 段 基因, especially small, 基督教 heavy large issues “一 针尖 upper can how much make? ”我不知道, 但我知道 can 站5 100 million 病毒.

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病毒至 less in 1.5 100 million year front in upper, is 介于生 material and non material in 间 一 types 生命体, non 常佛系.

病毒遇 to fine 胞, utilizing fine material and can amount heavy 复吸附, 进入, made, assembly, 释放子代病毒 ring process. 离开宿主 rear, 病毒就会死亡, 失 感染 property, need attention/notes is, 飞沫, and other can can has 病毒生存 需 active fine 胞, therefore its in also can active time.

病毒繁衍 rear 代, need 约会, need color 礼, need 入洞房, 就自己复 made 自己玩儿, true is deep 刻领会 “ large 道至简” 精髓!

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病毒 structure simple, methods simple, therefore commonly used antimicrobial mechanism for it generally is has function, ratio 如 antimicrobial commonly used resistant main/primary is bad fine fine 胞壁, 而病毒没 has fine 胞壁, therefore resistant for 病毒束手无策.

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银系 antimicrobial agent tool has 广谱杀菌 property, for 一 病毒 has 一定 抑 made function.

论文《SARS冠状病毒 and other micro material in metal catalytic agent surface high and fast speed active 》证明Ag/ oxidation aluminum can active SARS冠状病毒;

论文《 nano for 流感病毒H3N2灭 active function discussion 》证明银 can 杀死流感病毒H3N2.

currently has 报道银系 antimicrobial agent for COVID-19 new type 冠状病毒 has function, is according to principle can can property .

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图 sheet/slice 自网络

although resistant and antimicrobial anti 霉并不 is 一回事儿, is antimicrobial anti material development is very has necessary, is fine and in 我们生 active in non Common, 也会导致一 严 heavy 疾病.

fine 菌

fine is ratio 病毒“ versus for high grade ”一 原核生 material, has fine 胞核, can from 自然界获取 material and can amount, can 独立生存. it property separation methods 繁殖, good ratio strip/profile from positive in 间断掉, formed is strip/profile new 蚯蚓.

fine generally according to 形状, separation is type: 球菌, 杆菌, 螺旋菌. upper also is is?

QQ截图20200310141239.jpg

金黄 color 葡萄球菌( left ) large 肠杆菌( in )幽门螺旋菌( right )

fine 菌 生存 and can force very strong/high, its property main/primary has below/following types methods:

1, 吸附: fine can it surface formed separation and structure 附 于寄主体 table/sheet or device upper viscous film.

2, 侵入 machine 体: separation types different phenomenon:

① fine in surface long 繁殖, 释放毒素, 毒素进入人体;

② has fine in rear, fine film upper formed 裂隙, fine 菌进入 fine inner generate 毒素, make fine 胞死亡;

③ 另 has fine 菌, through viscous film upper fine 胞进入皮 lower 组织, 并进一步 expand dispersion.

3, in inner 繁殖: fine in inner 繁殖, requirements combined it long conditions and resistant can force.

4, expand dispersion 蔓延: certain fine can generate can solvent property material 质, separation understanding 结缔组织基质 in transparent acid, formed lower expand dispersion.

5, generate 毒素: has outer and inner 毒素两 type.

而 antimicrobial agent main/primary is through retardant fine 菌繁殖而起 function, antimicrobial agent main/primary classification and excellent disadvantages lower:

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无 machine antimicrobial agent tool has 广谱杀菌, safety property high, heat stabilized property good, easy generate resistant property and other advantages, already in medical, bathroom fixtures, 厨房, electrical appliances and other field/area to application. its antimicrobial mechanism main/primary is make fine fine active, 途径如 lower:

1, and fine 胞壁肽 poly reaction, formed fine function 障碍, most 终导致 fine 胞壁破裂;

2, and 蛋白质 in 巯基结 combined , formed material, make its method separation 裂;

3, as is catalytic active property in 心激发 electronics, make oxygen separation formed active property oxygen 自由基, 破 bad fine structure;

4, metal 离子破 bad material alkali for, 抑 made 繁殖;

for 人们 说, can can to property fine 菌 场 has cover/cap, 冰箱, gas device and other, this field/area using/adopting antimicrobial material is very has necessary.

霉菌

霉菌 belongs to true 菌 一 types, is types true material, can through has property 孢子繁殖 or property 繁殖. features is filament relatively 发达, 常出现 形状也 is “毛茸茸 ”, generally belt/tape has 白, 褐, 绿, and other color.

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臭豆腐 white 毛霉( left )橘子 green 青霉( in ) large 米 黄 color 曲霉( right )

霉菌 has make food is has material 质, has can in food in generate 毒素, 即霉菌毒素. for has very large 危害, can 致神经 and inner separation 泌紊乱, 免疫抑 made, 致癌致畸, loss 伤, 生殖障碍 and other.

anti agent separation is machine, has machine and 天然三 large type, excellent disadvantages lower:

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杀灭霉菌 main/primary is make fine active or 者切断 its 传播途径, 失 繁殖 can force. make fine active 途径如 lower:

1, strong/high oxidation function;

2, 抑 made 蛋白质 combined formed, make 菌体凝 solid;

3, 抑 made true fine film separation 麦角 solid alcohol combined formed 而 make 霉菌失 active;

4, make machine can retardant,抑 made or 孢子萌发;

generally temperature wet ring in product need tool has anti function, ratio 如空调蒸发 device, water tube/pipe, 冰箱密封 strip/profile and other.

antimicrobial plastics assessment

can to, antimicrobial and anti has same 方, has different, antimicrobial plastics generally tool has anti 霉效果, therefore usually as 明确区 separation.

antimicrobial plastics antimicrobial assessment methods: in its surface 培养金黄 color 葡萄球菌 and large 肠杆菌 testing.

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国 inner outer Common antimicrobial testing standards in, usually antimicrobial active property value or antimicrobial rate table/sheet antimicrobial property can, antimicrobial active property value R=2时, versus antimicrobial rate is 99%, R=3时, versus 当于99.9%, generally is antimicrobial rate to 99%时 tool has relatively strong/high antimicrobial 效果.

而 anti testing generally is let in 28℃, RH(90±5)% conditions lower, 培养28天, testing its long assessment.

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has anti requirements to 0 grade or 1 grade, table/sheet plastics tool has anti 霉效果.

currently, antimicrobial and anti material main/primary in 厨卫, home appliances and other field/area has application, in automotive in relatively less.

is meet/satisfy automotive inner material for antimicrobial anti requirements, Kumho day development used for automotive antimicrobial anti modified plastics.

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