甲基苯丙胺免疫层析测试条的研制

采用枸橼酸三钠还原氯金酸制备胶体金颗粒，标记甲基苯丙胺单克隆抗体，制成免疫层析测试条，建立了一种简易快速、自测式胶体金免疫层析法，并用于尿液中甲基苯丙胺的检测。尿液中的甲基苯丙胺与测试条上金标记抗体结合后沿着硝酸纤维素膜移动，与膜上的固相二抗或抗原结合，根据是否出现肉眼可见的红色线条判断人体尿液中是否含有甲基苯丙胺。结果显示，甲基苯丙胺免疫层析测试条只与甲基苯丙胺发生特异性反应，符合中国药品生物制品检定所制定的检测甲基苯丙胺标准品的标准，灵敏度为1000μg／L，与典型的麻醉药物和镇静药物无交叉反应。甲基苯丙胺免疫层析测试条检测尿液中的甲基苯丙胺具有特异性强、灵敏度高、结果显示清楚、快速、简便、省时、实用等特点。     

核动力堆安全壳内外中子能谱和剂量测量

利用自制的多球谱仪测量了某核动力反应堆安全壳内外的中子能谱和剂量当量率。对安全壳外测量，中心探测器为球形^3He正比计数管；对安全壳内测量，中心探测器为球形金箔。系统的响应函数用MCNP程序计算，解谱程序为MIEKEB。为验证系统响应函数计算的准确性，进行了一些实验测量，并与理论计算结果进行了比较。结果表明，测量结果与计算结果在不确定度范围内相吻合。     

Quattor: Tools and Techniques for the Configuration,Installation and Management of Large-Scale Grid Computing Fabrics

This paper describes the quattor tool suite, a new system for the installation, configuration, and management of operating systems and application software for computing fabrics. At present Unix derivatives such as Linux and Solaris are supported. Quattor is a powerful, portable and modular open source solution that has been shown to scale to thousands of computing nodes and offers a significant reduction in management costs for large computing fabrics. The quattor tool suite includes innovations compared to existing solutions which make it very useful for computing fabrics integrated into grid environments. Evaluations of the tool suite in current large scale computing environments are presented.     

硫代硫酸盐在提金领域的应用进展

从硫代硫酸盐提金法的研究历史、浸金的基本原理和从溶液中回收金的方法及存在的问题等方面综述了硫代硫酸盐在提金领域的应用进展。     

Reflection and Absorption Techniques for Optical Characterization of Chemically Assembled Nanomaterials

This review discusses recent developments in the areas of fabrication, certain types of optical characterization, and applications of a selected class of chemically assembled nanomaterials, namely i) gold and silver nanoparticles deposited onto optically transparent glass substrates; ii) thiol‐functionalized self‐assembled monolayers (SAMs); iii) chemically stabilized gold and silver nanoparticles (monolayer protected clusters, MPCs); and iv) MPCs linked to metallic substrates and adsorbates. Six linear optical techniques for the characterization of these materials are discussed: transmission localized surface plasmon resonance spectroscopy, T‐LSPR; propagating surface plasmon resonance spectroscopy, P‐SPR; polarization‐selective Fourier transform infrared reflection absorption spectroscopy, PS‐FTIRRAS; polarization‐modulation Fourier transform infrared reflection absorption spectroscopy, PM‐FTIRRAS; surface‐enhanced infrared reflection absorption spectroscopy, SEIRRAS; and infrared ellipsometry. The review focuses particularly on providing a unified treatment of these six optical techniques by using a relatively simple stratified multilayer model.     

微细粒浸染型金矿碱性介质浮选法研究

介绍了微细粒浸染型金矿石浮选富集的一种新方法———以碳酸钠作为pH调整剂的碱性介质浮选法,并研究了这种方法浮选富集矿石过程中各种因素的影响。研究表明,在弱碱性矿浆中(pH值7 5～8 5)能够较好地实现载金矿物与脉石矿物的浮选分离。     

高砷高硫金精矿固化焙烧-氰化浸出试验研究

介绍了高砷高硫金精矿矿物成分、固化焙烧-氰化浸出工艺条件，探讨了焙砂氰化浸出的机理。试验结果表明，金精矿经固化焙烧，焙砂氰化浸出时加入适量混合氧化剂(H2O2 KMnO4)和助浸剂G能显著提高金的浸出率，金浸出率为88．4％，砷、硫固化率均为90％。     

延边区域竞争优势的源泉--全球化背景下的企业集群

企业出现以来，企业组织形式随着技术进步和市场需求的变化不断演进．21世纪，中小企业和企业集群逐渐成为主流，并成为全球化背景下延边区域竞争优势的源泉．本文立足延边现状，分析了延边企业集群的类型选择和发展问题，并提出了对策．     

难选金矿细菌预处理技术理论与实践

论述了预处理难选金矿细菌的种类、来源，浸出机理，浸出工艺及工业应用实践．归纳介绍了强化难选金矿细菌浸出的措施．     

Quantitative detection of gold nanoparticles on individual, unstained cancer cells by scanning electron microscopy

Gold nanoparticles are rapidly emerging for use in biomedical applications. Characterization of the interaction and delivery of nanoparticles to cells through microscopy is important. Scanning electron microscopes have the intrinsic resolution to visualize gold nanoparticles on cells. A novel sample preparation protocol was developed to enable imaging of cells and gold nanoparticles with a conventional below lens scanning electron microscopes. The negative influence of 'charging' on the quality of scanning electron microscopes' images could be limited by deposition of biological cells on a conductive (gold) surface. The novel protocol enabled high-resolution scanning electron microscopes' imaging of small clusters and individual gold nanoparticles on uncoated cell surfaces. Gold nanoparticles could be counted on cancer cells with automated routines.