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铜蒙脱石
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  cu-bearing montmorillonite
     A New Type of Inorganic Antibacterial Material: Cu-bearing Montmorillonite and Discussion on Its Mechanism
     新型无机抗菌材料:载铜蒙脱石及其抗菌机理讨论
短句来源
  mmt cu
     The MIC of MMT Cu is 2.56mg/ml on Actinobacillus actinomycetemcomitans , and 5.12 mg/ml on Streptococcus sanguis .
     载铜蒙脱石对放线共生放线杆菌的最小抑菌浓度为 2 .5 6mg/ml; 对血液链球菌为 5 .12mg/ml。
短句来源
     The antibacterial activity of copper montmorillonite(MMT Cu) was evaluated by measuring the minimum inhibitory concentrations (MICs) using two fold serial dilutions of MMT Cu in Brain Heart Infusion Broth(BHI).
     载铜蒙脱石的杀菌作用通过脑心浸液肉汤 (BHI)二倍系列稀释法来判定其最小抑菌浓度 (MIC)。
短句来源
  “铜蒙脱石”译为未确定词的双语例句
     The concentration of Cu 2+ released into the broth rangs from 2.39 to 38.65ppm; The concentration of Cu 2+ releasing into saline rangs from 1.85 to 15.82ppm.
     测得肉汤二倍稀释的载铜蒙脱石释放出的Cu2 +量在 2 .39~ 38.6 5 ppm之间 ,在生理盐水中释放的Cu2 +量为 1.85~ 15 .82ppm。
短句来源
     Two hundred and forty 1-day-old Arbor Acres broiler chicks were randomly divided into control, CMN-Ⅰ and CMN-Ⅱ groups, and fed with basal corn-soybean meal diet containing 0 g/kg, 1 g/kg and 2 g/kg Cu~(2+)-loaded montmorillonite nanoparticles (CMN) for a period of 42 days, respectively.
     取1日龄AA商品代混合雏鸡240只,随机分为对照组、CMN-组和CMN-组,分别饲喂添加0g/kg、1g/kg和2g/kg纳米载铜蒙脱石(CMN)的玉米-豆粕型日粮42d。
短句来源
     Effects of copper-exchanged montmorillonite on the intestinal mucosa barrier function
     一种新型肠粘膜保护剂——载铜蒙脱石对肠粘膜屏障功能影响的研究
短句来源
     Cu-MMT significantly inhibited(P<0.05) adhesion of bacteria to skin,gill and intestinal epithelial cells.
     载铜蒙脱石均显著降低了嗜水气单胞菌对鳃、皮肤和肠上皮细胞的粘附率(P<0.05),而且对不同上皮细胞的粘附阻断率无显著差异。
短句来源
     Montmorillonite (MMT)as a raw material, copper-exchanged montmorillonite (MMT-Cu) was prepared by using the method of cation exchange reaction.
     以蒙脱石(MMT)为原料,通过阳离子交换反应合成载铜蒙脱石(MMT-Cu)。
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  相似匹配句对
     Within the layer the copper?
     ?
短句来源
     COPPER
    
短句来源
     Study on the antibacterial mechanisms of copper-bearing montmorillonite
     载蒙脱石的抗菌机理研究
短句来源
     PREPARATION AND CHARACTERIZATION OF COPPER-LOADED MONTMORILLONITE
     载蒙脱石的制备与表征
短句来源
     THE THERMAL ANALYSIS FOR THE EXCHANGE MONTMORILLONITE
     交换蒙脱石的热分析
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With the raw material coming from Chifeng, the Inner Mongolia Autonomous Region, Cu bearing montmorillonite (Cu-MMT) was synthesized through cation exchange reaction. XRD analysis shows that, (001) basal spacing of montmorillonite expends from 1.544 nm to 1.588 nm after cation exchange. This indicates that Cu2+ enters interlayer position of montmorillonite as hydrated cation or composite cation. Through antibacterial experiment, it is found that Cu-MMT has strong antibacterial ability on E. coli and S. faecalis....

With the raw material coming from Chifeng, the Inner Mongolia Autonomous Region, Cu bearing montmorillonite (Cu-MMT) was synthesized through cation exchange reaction. XRD analysis shows that, (001) basal spacing of montmorillonite expends from 1.544 nm to 1.588 nm after cation exchange. This indicates that Cu2+ enters interlayer position of montmorillonite as hydrated cation or composite cation. Through antibacterial experiment, it is found that Cu-MMT has strong antibacterial ability on E. coli and S. faecalis. Minimal inhibitory concentration (MIC) and killing concentration are 10 and 50 ppm respectively. The antibacterial ability of Cu-MMT is much better than that of Cu-carrying zeolite. Taking the up-to-date characterization on Cu-MMT and Cu-zeolite into account, it is clear that Cu-zeolite retains electric neutrality after cation exchange. Its antibacterial capacity relies on the amount of Cu2+ released into medium. On the other hand, Cu-MMT has residual positive charge after cation exchange. Its antibacterial ability results from two aspects, one is electrostatic attraction which makes large amount of bacterium being adhered on montmorillonite surface, the other is the same as Cu-zeolite, i.e., Cu2+ slowly released into medium which can kill bacterium. The former aspect is the main reason that Cu-MMT has better antibacterial ability than Cu-zeolite.

以内蒙赤峰蒙脱石为原料合成了载铜蒙脱石,它对革兰氏阴性菌E.coli和革兰氏阳性菌S.faecalis均有很强的抑止和杀灭作用,其抗菌能力大大优于载铜沸石,蒙脱石在载铜反应后矿物表面带有剩余正电荷,它的抗菌能力来自两方面因素,一方面是矿物对带相反电荷的细菌的吸附作用,另一方面是矿物释放出的铜离子对细茵的杀灭作用,这是载铜蒙脱石抗菌能力优于载铜沸石的本质原因。

Cu bearing montmorillonite(Cu-MMT) was produced by Cu~(2+) cation exchange reaction.XRD analysis showed that(001) basal spacing of the montmorillonite increased from 1.544 nm to 1.588 nm after Cu~(2+) exchange.This indicated that Cu~(2+) entered into interlayer position of montmorillonite as hydrated cation or composite cation.In vitro results indicated that Cu-MMT had stronger antibacterial activity on Escherichia coli K_(88).In the in vivo study,four replicates of eight weanling pigs were assigned to each...

Cu bearing montmorillonite(Cu-MMT) was produced by Cu~(2+) cation exchange reaction.XRD analysis showed that(001) basal spacing of the montmorillonite increased from 1.544 nm to 1.588 nm after Cu~(2+) exchange.This indicated that Cu~(2+) entered into interlayer position of montmorillonite as hydrated cation or composite cation.In vitro results indicated that Cu-MMT had stronger antibacterial activity on Escherichia coli K_(88).In the in vivo study,four replicates of eight weanling pigs were assigned to each of two dietary treatments to study the effects of Cu-MMT on Escherichia coli and diarrhea.As compared with control,supplementation with 0.2% Cu-MMT improved average daily gain by 13.89%(P<0.01) and decreased F/G by 8.38%(P<0.05).The mean diarrhea incidence decreased by 71.80%(P<0.01).The viable counts of Escherichia coli in colonic contents significantly reduced(P<0.01).Villus height and the villus height to crypt depth ratio at the jejunal mucosa increased by 19.21%(P<0.05) and 37.10%(P<0.01),respectively.

对通过阳离子交换反应合成的载铜蒙脱石 (MMT- Cu) ,应用 XRD衍射分析显示 ,载铜反应前后 ,蒙脱石的(0 0 1)面网间距从原先的 1.5 4 4 nm增加到了 1.5 88nm ,表明铜是以水合阳离子或复合阳离子形式进入蒙脱石晶格层间位置。体外试验表明 ,MMT- Cu对大肠杆菌 K88具有较强的抗菌能力。MMT- Cu对仔猪的试验表明 :与对照组相比 ,日粮中添加 0 .2 % MMT- Cu使仔猪日增重提高了 13.89% (P<0 .0 1) ,料重比下降了 8.38% (P<0 .0 5 ) ,平均腹泻率降低了 71.80 % (P<0 .0 1) ,结肠内容物中大肠杆菌数显著下降 (P<0 .0 1) ,空肠绒毛高度及绒毛高度与腺窝深度的比率分别提高了 19.2 1% (P<0 .0 5 )和 37.10 % (P<0 .0 1)。

The antibacterial activity of copper montmorillonite(MMT Cu) was evaluated by measuring the minimum inhibitory concentrations (MICs) using two fold serial dilutions of MMT Cu in Brain Heart Infusion Broth(BHI). Release of Cu 2+ into the broth was measured by atomic absorbent spectrometry. Study of kinetics on antibacterial was conducted by using a modified method of vibrate flask. Results show that MMT Cu inhibited the growth of bacteria tested under the anaerobic conditions. The MIC of MMT Cu is...

The antibacterial activity of copper montmorillonite(MMT Cu) was evaluated by measuring the minimum inhibitory concentrations (MICs) using two fold serial dilutions of MMT Cu in Brain Heart Infusion Broth(BHI). Release of Cu 2+ into the broth was measured by atomic absorbent spectrometry. Study of kinetics on antibacterial was conducted by using a modified method of vibrate flask. Results show that MMT Cu inhibited the growth of bacteria tested under the anaerobic conditions. The MIC of MMT Cu is 2.56mg/ml on Actinobacillus actinomycetemcomitans , and 5.12 mg/ml on Streptococcus sanguis . The concentration of Cu 2+ released into the broth rangs from 2.39 to 38.65ppm; The concentration of Cu 2+ releasing into saline rangs from 1.85 to 15.82ppm. Results also show that MMT has no antibacterial activity.

铜蒙脱石的杀菌作用通过脑心浸液肉汤 (BHI)二倍系列稀释法来判定其最小抑菌浓度 (MIC)。释放入肉汤和生理盐水中Cu2 +的量通过原子吸收光谱仪测定。杀菌动力学研究采用改良的振荡瓶法。结果表明 :厌氧条件下 ,载铜蒙脱石具有很强的杀菌性能。载铜蒙脱石对放线共生放线杆菌的最小抑菌浓度为 2 .5 6mg/ml;对血液链球菌为 5 .12mg/ml。测得肉汤二倍稀释的载铜蒙脱石释放出的Cu2 +量在 2 .39~ 38.6 5 ppm之间 ,在生理盐水中释放的Cu2 +量为 1.85~ 15 .82ppm。本试验结果表明 ,蒙脱石无抗菌性能。

 
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