Name: an efficient method for selective desalination of radioactive iodine anions by using gold nanoparticles-embedded membrane filter
Uploaded: 2018-07-13T14:00:00
Description: Watch this Scientific Journal Video about An Efficient Method for Selective Desalination of Radioactive Iodine Anions by Using Gold Nanoparticles-Embedded Membrane Filter at JoVE.com

这项工作得到了韩国国家研究基金会的研究补助金 (赠款号: 2017M2A2A6A01070858) 的支持。

1. 柠檬酸稳定金纳米粒子的合成
<ol><li>将两颈的圆底烧瓶 (250 毫升) 和一条带水的磁力搅拌棒洗净, 将浓盐酸和浓硝酸混合在3:1 的体积比上。 注意: 水溶液是极具腐蚀性的, 可能会导致爆炸或皮肤烧伤, 如果不处理极端谨慎。</li>
	<li>用去离子水彻底冲洗玻璃器皿, 除去残留的水酸。</li>
	<li>将120毫升的四氯金酸溶液 (HAuCl4, 1 毫米) 添加到双颈圆底烧瓶 (250 毫升) 中, 并在恒定搅拌下将其加...

<ol>
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H., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Gold-Nanoparticle-Immobilized+Desalting+Columns+for+Highly+Efficient+and+Specific+Removal+of+Radioactive+Iodine+in+Aqueous+Media.">Gold-Nanoparticle-Immobilized Desalting Columns for Highly Efficient and Specific Removal of Radioactive Iodine in Aqueous Media.</a> ACS Applied Materials &amp; Interfaces. 8, 29227-29231 (2016).</li><li>Mushtaq, S., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Efficient+and+selective+removal+of+radioactive+iodine+anions+using+engineered+nanocomposite+membranes.">Efficient and selective removal of radioactive iodine anions using engineered nanocomposite membranes.</a> Environmental Science: Nano. 4, 2157-2163 (2017).</li><li>Awual, M. R., Ismael, M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Efficient+gold(III)+detection,+separation+and+recovery+from+urban+mining+waste+using+a+facial+conjugate+adsorbent.">Efficient gold(III) detection, separation and recovery from urban mining waste using a facial conjugate adsorbent.</a> Sensors and Actuators B: Chemical. 196, 457-466 (2014).</li><li>Awual, M. R., Hasan, M. M., Naushad, M., Shiwaku, H., Yaita, T. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Preparation+of+new+class+composite+adsorbent+for+enhanced+palladium(II)+detection+and+recovery.">Preparation of new class composite adsorbent for enhanced palladium(II) detection and recovery.</a> Sensors and Actuators B: Chemical. 209, 790-797 (2015).</li><li>Awual, M. R., Hasan, M. 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R., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Efficient+detection+and+adsorption+of+cadmium+(II)+ions+using+innovative+nano-composite+materials.">Efficient detection and adsorption of cadmium (II) ions using innovative nano-composite materials.</a> Chemical Engineering Journal. 343, 118-127 (2018).</li><li>Awual, M. R. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=New+type+mesoporous+conjugate+material+for+selective+optical+copper(II)+ions+monitoring+&amp;+removal+from+polluted+waters.">New type mesoporous conjugate material for selective optical copper(II) ions monitoring &amp; removal from polluted waters.</a> Chemical Engineering Journal. 307, 85-94 (2017).</li><li>Awual, M. 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H. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Facile+synthesis+of+robust+and+biocompatible+gold+nanoparticles.">Facile synthesis of robust and biocompatible gold nanoparticles.</a> Chemical Communication. 46, 583-585 (2010).</li><li>Bolisetty, S., Mezzenga, R. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Amyloid-carbon+hybrid+membranes+for+universal+water+purification.">Amyloid-carbon hybrid membranes for universal water purification.</a> Nature Nanotechnology. 11, 365-371 (2016).</li><li>Zakrzewska-Trznadel, G. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Advances+in+membrane+technologies+for+the+treatment+of+liquid+radioactive+waste.">Advances in membrane technologies for the treatment of liquid radioactive waste.</a> Desalination. 321, 119-130 (2013).</li><li>Rana, D., Matsuura, T., Kassim, M. 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近年来, 根据其吸附技术25、26的具体功能, 开发了各种工程化纳米材料和膜, 以去除水中的有害放射性金属和重金属,27,28,29,30,31,32,33,34,...

几十年来, 医疗机构、研究设施和核反应堆产生了大量放射性液体废料。这些污染物常常是对环境和人类健康的明显威胁,1、2、3。特别是放射性碘被认为是核电站事故中最危险的因素之一。例如, 一份关于福岛和切尔诺贝利核反应堆的环境报告表明, 释放的放射性 iodines 的数量包括131i (t1/2 = 8.02 天) 和129i (t1/2 =1570万年) 对环境大于其他放射性核素4,5。特别是, 这些放射性同位素的暴露导致了人体甲状腺6的高吸收和富集。此外, 释放的放射性 iodines 可导致土壤、海水和地下水的严重污染, 因为它们在水中的溶解度很高。因此, 研究了大量使用各种无机和有机吸附剂的修复过程, 以捕获含水废物7、8、9、10中的放射性 iodines。,11,12,13,14,15,16,17,18,19,20. 尽管为开发先进的吸附剂系统作出了广泛的努力, 但在连续流动条件下, 建立一种能表现出令人满意性能的净化方法非常有限。最近, 我们报告了一个新的脱盐过程, 显示良好的去除效率, 离子选择性, 可持续性, 并利用纳米金纳米复合材料 (AuNPs)21,22,23. 在其中, 金纳米粒子--嵌入的醋酸纤维素膜 (Au 凸轮) 促进了与现有吸附剂材料相比的连续流系统中碘离子的高效脱盐。此外, 整个程序可以在短时间内完成, 这是处理医疗和工业应用后产生的核废料的另一个好处。本手稿的总体目标是提供一步一步的协议, 为准备的金凸轮24。我们还演示了一个快速和方便的过滤过程中的离子选择性捕获放射性碘使用工程复合膜。本报告中的详细议定书将为纳米材料在环境科学研究领域中的应用提供有益的参考。

<table border="0" cellpadding="0" cellspacing="0" style="width:813px;" width="813">
	<colgroup>
		<col />
		<col />
		<col />
		<col />
	</colgroup>
	<tbody>
		<tr height="21">
			<td height="21" style="height:21px;width:351px;">Hydrochloric acid</td>
			<td style="width:177px;">DUKSAN</td>
			<td style="width:119px;">1129</td>
			<td style="width:167px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Nitric acid&#160;</td>
			<td>JUNSEI</td>
			<td style="width:119px;">37335-1250</td>
			<td></td>
		</tr>
		<tr height="25">
			<td height="25" style="height:25px;">Chloroautic chloride trihydrate (HAuCl4&#183;3H2O)</td>
			<td>Sigma Aldrich</td>
			<td style="width:119px;">254169</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Sodium citrate tribasic dihydrate</td>
			<td>Sigma Aldrich</td>
			<td style="width:119px;">71402</td>
			<td></td>
		</tr>
		<tr height="24">
			<td height="24" style="height:24px;">[125I]NaI&#160;</td>
			<td>Perkin-Elmer</td>
			<td style="width:119px;">NEZ033A010MC</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Sodium chloride</td>
			<td>Sigma Aldrich</td>
			<td style="width:119px;">S9888</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Sodium iodide</td>
			<td>Sigma Aldrich</td>
			<td style="width:119px;">383112</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Sodium hydroxide</td>
			<td>Sigma Aldrich</td>
			<td style="width:119px;">S5881</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Lithium L-lactate</td>
			<td>Sigma Aldrich</td>
			<td style="width:119px;">L2250</td>
			<td>Synthetic urine</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Citric acid</td>
			<td>Sigma Aldrich</td>
			<td style="width:119px;">C1909</td>
			<td>Synthetic urine</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:351px;">Sodium hydrogen carbonate</td>
			<td>JUNSEI</td>
			<td style="width:119px;">43305-1250</td>
			<td>Synthetic urine</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:351px;">Urea</td>
			<td>Sigma Aldrich</td>
			<td style="width:119px;">U1250</td>
			<td>Synthetic urine</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Calcium chloride</td>
			<td>JUNSEI</td>
			<td style="width:119px;">18230-0301</td>
			<td>Synthetic urine</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Magnesium sulfate</td>
			<td>SAMCHUN</td>
			<td style="width:119px;">M0146</td>
			<td>Synthetic urine</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Potassium dihydrogen phosphate</td>
			<td>JUNSEI</td>
			<td style="width:119px;">84185A1250</td>
			<td>Synthetic urine</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Dipotassium hydrogen phosphate</td>
			<td>JUNSEI</td>
			<td style="width:119px;">84120-1250</td>
			<td>Synthetic urine</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Sodium sulfate</td>
			<td>JUNSEI</td>
			<td style="width:119px;">83260-1250</td>
			<td>Synthetic urine</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Ammonium chloride</td>
			<td>Sigma Aldrich</td>
			<td style="width:119px;">A9434</td>
			<td>Synthetic urine</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Sea water</td>
			<td>Sigma Aldrich</td>
			<td style="width:119px;">S9148</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">1x PBS</td>
			<td>Thermo</td>
			<td style="width:119px;">SH30256.01</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Cellulose acetate membranes (pore size: 0.20 &#956;m, diameter: 25 mm)</td>
			<td>Advantec MFS</td>
			<td style="width:119px;">25CS045AS</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Cellulose acetate membranes (pore size: 0.20 &#956;m, diameter: 47 mm)</td>
			<td>Advantec MFS</td>
			<td style="width:119px;">C045A047A</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">47 mm Glass Microanalysis Holders</td>
			<td>Advantec MFS</td>
			<td style="width:119px;">KG47(311400)</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Petri dish (50 mm diameter &#180; 15 mm height)</td>
			<td>SPL</td>
			<td style="width:119px;">10050</td>
			<td></td>
		</tr>
		<tr height="24">
			<td height="24" style="height:24px;">Gamma counter</td>
			<td>Perkin-Elmer</td>
			<td>2480 WIZARD2</td>
			<td>Model number</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">UV-vis spectrophotometer</td>
			<td>Thermo</td>
			<td style="width:119px;">GENESYS 10</td>
			<td>Model number</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Transmission electron microscopy</td>
			<td style="width:177px;">Hitachi</td>
			<td style="width:119px;">H-7650</td>
			<td>Model number</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:351px;">Field Emission Scanning electron microscope</td>
			<td style="width:177px;">FEI</td>
			<td style="width:119px;">Verios 460L</td>
			<td>Model number</td>
		</tr>
	</tbody>
</table>

an efficient method for selective desalination of radioactive iodine anions by using gold nanoparticles-embedded membrane filter

在这里, 我们演示了一个详细的协议, 制备纳米材料-嵌入复合膜及其在高效和离子选择性去除放射性 iodines 的应用。利用柠檬酸稳定的金纳米粒子 (平均直径:13 nm) 和醋酸纤维素膜, 可以很容易地制备出金纳米颗粒的醋酸纤维素膜 (Au 凸轮)。在高浓度无机盐和有机分子的存在下, 金凸轮上的纳米吸附剂高度稳定。水溶液中的碘离子可以迅速被这种工程膜捕获。通过采用含金凸轮过滤单元的过滤工艺, 在短时间内实现了优异的去除效率 (> 99%) 以及离子选择性脱盐效果。而且, 在没有显著降低性能的情况下, Au 凸轮提供了良好的可重用性。结果表明, 采用工程化混合膜技术的现有工艺将是对液体废弃物中放射性碘进行大规模净化的一个有前途的过程。

我们展示了用柠檬酸稳定的 AuNPs 和醋酸纤维素膜制作金凸轮的简单方法 (图 1a)。用 SEM 观察了金凸轮的表面, 表明纳米材料在纤维素纤维上稳定地结合在一起 (图 2)。在膜上被嵌顿的纳米颗粒保持稳定, 不通过连续洗涤, 如1.0 米氯化钠等水溶液释放。金凸轮的吸附能力约为1克 AuNPs24μmol 碘负离子的?...

Watch this Scientific Journal Video about An Efficient Method for Selective Desalination of Radioactive Iodine Anions by Using Gold Nanoparticles-Embedded Membrane Filter at JoVE.com

An Efficient Method for Selective Desalination of Radioactive Iodine Anions by Using Gold Nanoparticles-Embedded Membrane Filter

利用金纳米颗粒固定化醋酸纤维素膜过滤器, 对几种水溶液中的放射性碘进行快速、离子选择性脱盐的有效方法进行了描述。

用金纳米粒子-嵌入式膜过滤法选择性脱盐放射性碘阴离子的有效方法

Here, we demonstrate a detail protocol for the preparation of nanomaterials-embedded composite membranes and its application to the efficient and ...

Research

JoVE Journal

Engineering

Selective Area Modification of Silicon Surface Wettability by Pulsed UV Laser Irradiation in Liquid Environment

硅表面润湿性的选择区域改性脉冲紫外激光照射在液体环境

The wettability of silicon (Si) is one of the important parameters in the technology of surface functionalization of this material and fabrication of ...

科研

工程学

Detection and Recovery of Palladium, Gold and Cobalt Metals from the Urban Mine Using Novel Sensors/Adsorbents Designated with Nanoscale Wagon-wheel-shaped Pores

检测和钯的回收，从城市矿山黄金和钴金属使用标有纳米货车车轮形的孔隙新型传感器/吸附剂

Developing low-cost, efficient processes for recovering and recycling palladium, gold and cobalt metals from urban mine remains a significant challenge in ...

Multifunctional Hybrid Fe2O3-Au Nanoparticles for Efficient Plasmonic Heating

Multifunctional Hybrid Fe2O3-Au Nanoparticles for Efficient Plasmonic Heating

多功能混合铁<sub&gt; 2</sub&gt; 0<sub&gt; 3</sub&gt; -Au纳米粒子高效的电浆暖气

One of the most widely used methods for manufacturing colloidal gold nanospherical particles involves the reduction of chloroauric acid (HAuCl4) to ...

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells

CH的单价阳离子兴奋剂<sub&gt; 3</sub&gt; NH<sub&gt; 3</sub&gt;碘化铅<sub&gt; 3</sub&gt;对钙钛矿型高效太阳能电池

Here, we demonstrate the incorporation of monovalent cation additives into CH3NH3PbI3 perovskite in order to adjust the optical, excitonic, and electrical ...

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography

使用激光投射光热法构造加热的地下缺陷定位

The presented method is used to locate subsurface defects oriented perpendicularly to the surface. To achieve this, we create destructively interfering ...

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography

用胶体光刻制备周期性金 Nanocup 阵列

Within recent years, the field of plasmonics has exploded as researchers have demonstrated exciting applications related to chemical and optical sensing ...

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters

高效宽量程可调谐 MEMS 滤波器的设计与表征方法

Here, we demonstrate the advantages of the laser Doppler vibrometer (LDV) over conventional techniques (the network analyzer), as well as the techniques ...

Controllable Nucleation of Cavitation from Plasmonic Gold Nanoparticles for Enhancing High Intensity Focused Ultrasound Applications

等离子金纳米粒子空化的可控核增强高强度聚焦超声应用

In this study, plasmonic gold nanoparticles were simultaneously exposed to pulsed near-infrared laser light and high intensity focused ultrasound (HIFU) ...

Using Flexible Gold-Titanium Reaction Cells to Simulate Pressure-Dependent Microbial Activity in the Context of Subsurface Biomining

使用柔性金钛反应细胞在地下生物采矿环境中模拟压力依赖微生物活性

Laboratory studies investigating subsurface microbial processes, such as metal leaching in deep ore deposits (biomining), share common and challenging ...