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期刊Analysis of Nickel Defect in Diamond with Photoluminescence upon Excitation near 200 nm
《Analytical Chemistry》Lu, Hsiao-Chi[1]; Peng, Yu-Chain[1]; Lin, Meng-Yeh[1]; Chou, Sheng-Lung[1]; Lo, Jen-Iu[1]; Cheng, Bing-Ming[1]
Photoluminescent (PL) spectra of synthetic diamond powders at temperatures between 10 and 300 K were excited with synchrotron radiation in the wavelength range 125-375 nm. Prominent spectral PL features were detected ...显示全部
关键词:Defects Diamonds Synchrotron radiation Synthetic diamonds 
期刊Near-Infrared Fluorescent Turn-on Probe with a Remarkable Large Stokes Shift for Imaging Selenocysteine in Living Cells and Animals
《Analytical Chemistry》Feng, Weiyong[1]; Li, Meixing[1]; Sun, Yao[1]; Feng, Guoqiang[1]
Selenocysteine (Sec) is the 21st naturally occurring amino acid and has emerged as an important sensing target in recent years. However, fluorescent detection of Sec in living systems is challenging. To date, very few...显示全部
关键词:Animals Infrared devices Probes Solutions 
期刊Monitoring the Electroosmotic Flow in Capillary Electrophoresis UsingContactless Conductivity Detection and Thermal Marks
《Analytical Chemistry》Renata Mayumi Saito; Carlos Antonio Neves; Fernando Silva Lopes; LucasBlanes; Jose Geraldo Alves Brito-Neto; Claudimir Lucio do Lago
The fundamental aspects and the capillary electrophoresis usage of thermalmarks are presented. The so-called thermal mark is a perturbation of the electrolyte concentrationgenerated by a punctual heating of the capill...显示全部
期刊Development of Novel In-Capillary Preconcentration Methods for Capillary Electrophoresis
分析化学/Bunseki Kagaku》Xing-Zheng Wu[1]
Several in-capillary preconcentration methods for capillary electrophoresis have been reported for lowering the concentration detection limits. Firstly, a new kind of stacking method that makes use of a fracture on th...显示全部
关键词:capillary electrophoresis  in-capillary  preconcentration 
期刊Shear-Driven Redistribution of Surfactant Affects Enzyme Activity in Well-Mixed Femtoliter Droplets
《Analytical Chemistry》Yu Liu; Seung-Yong Jung;C. Patrick Collier
We developed a microfluidic platform for splitting well-mixed, femtoliter-volume droplets from larger water-in-oil plugs, where the sizes of the daughter droplets were not limited by channel width. These droplets were...显示全部
期刊Microsystem for Field-Amplified Electrokinetic Trapping Preconcentration of DNA at Poly(ethylene terephthalate) Membranes
《Analytical Chemistry》Thomas Hahn; Ciara K. O’Sullivan;Klaus S. Drese
In electrokinetic trapping (EKT), the electroosmotic velocity of a buffer solution in one area of a microfluidic device opposes the electrophoretic velocity of the analyte in a second area, resulting in transport of D...显示全部
期刊Technique for Microfabrication of Polymeric-Based Microchips from an SU-8 Master with Temperature-Assisted Vaporized Organic Solvent Bonding
《Analytical Chemistry》Myra T. Koesdjojo; Corey R. Koch;Vincent T. Remcho
Novel means of fabricating polymeric microfluidic devices are presented. An SU-8 master is applied in two-stage embossing, followed by vaporized organic solvent bonding. The primary master is created by standard photo...显示全部
期刊Electron Permeable Self-Assembled Monolayers of Dithiolated Aromatic Scaffolds on Gold for Biosensor Applications
《Analytical Chemistry》Alex Fragoso;[†] Noemi Laboria;[†] Daniel Latta;[‡];Ciara K. O'Sullivan[†][§]
Self-assembled monolayers (SAMs) of thiolated compounds are formed by the spontaneous chemisorption of thiolate groups on metal surfaces. In biosensors, they are most commonly used to covalently immobilize a biorecogn...显示全部
期刊Mass Imaging and Identification of Biomolecules with MALDI-QIT-TOF-Based System
《Analytical Chemistry》Shuichi Shimma;[†][‡][] Yuki Sugiura;[‡] Takahiro Hayasaka;[†] Nobuhiro Zaima;[§] Mineo Matsumoto;[§];Mitsutoshi Setou[†][‡][§]
Imaging mass spectrometry is becoming a popular visualization technique in the medical and biological sciences. For its continued development, the ability to both visualize and identify molecules directly on the tissu...显示全部
期刊Capabilities of Femtosecond Laser Ablation Inductively Coupled Plasma Mass Spectrometry for Depth Profiling of Thin Metal Coatings
《Analytical Chemistry》J. Pisonero;*[†] J. Koch;[†] M. Wälle;[†] W. Hartung;[‡] N. D. Spencer;[‡];D. Günther*[†]
The capabilities of ultraviolet femtosecond laser ablation inductively coupled plasma mass spectrometry (UV-fs-LA-ICPMS) for depth profile analysis of thin metal coatings were evaluated. A standard sample consisting o...显示全部
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