Sensitive Quantitative Analysis of Strontium in Microdroplet by Surface-enhanced Laser-induced Breakdown Spectroscopy Using Porous Silicon [0.03%]
基于多孔硅表面增强激光诱导击穿光谱的微滴Sr定量分析
Yusuke Shimazu,Ayumu Matsumoto,Haruka Nakano et al.
Yusuke Shimazu et al.
Surface-enhanced laser-induced breakdown spectroscopy (SELIBS) is a promising method for microanalysis of liquid samples. We previously demonstrated that the SELIBS signal was significantly enhanced by using porous silicon (Si) instead of f...
Alkali Metal Ion-exchange in a Metal-Organic Framework Based on Lanthanum and 1,4-Phenylenebis(methylidyne)tetrakis(phosphonic acid) [0.03%]
次磷酸镧基金属有机骨架材料的碱金属离子交换性能研究
Yuiko Tasaki-Handa,Shiori Tsuda,Masami Shibukawa et al.
Yuiko Tasaki-Handa et al.
The ion-exchange selectivity of four metal-organic frameworks (denoted as MLaL), formed by alkali metal ions (M+), La3+, and 1,4-phenylenebis(methylidyne)tetrakis(phosphonic acid) (L), was examined. Unusual selectivity for the alkali metal ...
Analysis of Single Synthetic Fibers Using a Portable Total Reflection X-ray Fluorescence Spectrometer [0.03%]
便携式全反射X射线荧光光谱仪分析单根合成纤维
Yawara Sengoku,Yoshie Tokuoka,Hibiki Komatsu et al.
Yawara Sengoku et al.
In this study, single synthetic fibers obtained from several textile products were analyzed by a portable total reflection X-ray fluorescence spectrometer. Characteristic elements, which would originate from such materials as catalysts, del...
Digestion Efficiency during Alkaline Persulfate Oxidation for Determination of Total Phosphorus Content of Biological Samples [0.03%]
碱性过硫酸盐氧化消解效率对生物样品全磷测定的影响研究
Yuji Onishi
Yuji Onishi
Quantifying total phosphorus contents of organisms can elucidate their physiological condition and the nutrient cycles of ecosystems. Simple, brief, and safe persulfate oxidation methods have been used for total P determination, but oxidizi...
Satoshi Okada,Satoko Takayasu,Akira Sumiyoshi et al.
Satoshi Okada et al.
Glucose sensors for NMR relaxometry and magnetic resonance imaging (MRI) can be used for the direct measurement of glucose in turbid biological specimens. Here, we proposed a magnetic glucose sensor based on superparamagnetic iron oxide (SP...
Determination of Ultra-trace Tellurium in Steel by ID-ICP-MS/MS with Liquid-Liquid Extraction [0.03%]
等离子体质谱联用法测定钢中的痕量碲
Junichi Hirata,Daisuke Itabashi,Michihiro Aimoto
Junichi Hirata
Inductively coupled plasma mass spectrometry using isotope dilution (ID-ICP-MS) with liquid-liquid extraction was used for determining ultra-trace tellurium (Te) in steels to improve the sensitivity, accuracy, and precision of the analysis....
Rapid Determination of Sunset Yellow in Soft Drinks Using Silicon Nanoparticles Synthesized under Mild Conditions [0.03%]
采用温和条件下合成的硅纳米粒子快速测定软饮料中 sunset yellow 的含量
Fu-Xia Yang,Xiao-Tong Ma,Shun-Yu Han
Fu-Xia Yang
Sunset yellow (SY) is a synthetic colorant which can cause allergies, diarrhea and other symptoms in sensitive people. When ingested too much, it can accumulate in the body and cause damage to the kidneys and liver. Therefore, the content o...
A Cost-effective Liquid Core Waveguide Based on a Concentrated Acid Medium for Colorimetric Determination of Sulfide [0.03%]
一种用于硫化物比色测定的高效液芯波导传感器的研究
Wasin Somboot,Jaroon Jakmunee,Tinakorn Kanyanee
Wasin Somboot
A cost-effective long-path absorption liquid core waveguide (LCW) device was fabricated from a typical Teflon tube, and using a high refractive index (RI) medium of acid. It was incorporated in a flow injection-gas diffusion system for the ...
Building a Scanning Probe Microscope Using Open Source Control Software and Systems [0.03%]
基于开源控制软件和系统的扫描探针显微镜构建
Shinya Kishioka
Shinya Kishioka
A scanning probe microscope (SPM) operating in air and liquid was constructed using an open-source control software running on Linux, a correspondingly developed commercial SPM controller and a commercial STM head. The results are shown for...