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1,551 Newest Publications about the topic spectrometers

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Analysis of whole blood through ICP-MS equipped with a high temperature total sample consumption system

01-Dec-2016 | Agueda Cañabate; Esperanza García-Ruiz; Martin Resano; Jose-Luis Todoli Torro, Journal of Analytical Atomic Spectrometry, 2016

This work evaluates the performance of a high temperature Torch Integrated Sample Introduction System (hTISIS) in Inductively Coupled Plasma Mass Spectrometry (ICP-MS) for the multielemental analysis of whole blood. Two different quadrupole-based spectrometers were tested and the optimization ...

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Profile of Marius Clore [Profile]

08-Nov-2016 | Christopher Samoray, Proceedings of the National Academy of Sciences current issue, 2016

In a hangar-style space draped in dim blue light stand seven tall, cylindrical machines. The machines, NMR spectrometers, resemble wingless man-made satellites. Most of them rest at floor level, with a sample loading port reached by a small staircase, but a few protrude above the floor. Marius ...

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Molecules, Vol. 21, Pages 1494: Structural Characterization of Flavonoid Glycoconjugates and Their Derivatives with Mass Spectrometric Techniques

08-Nov-2016 | Kachlicki, Piotr ; Piasecka, Anna ; Stobiecki, Maciej ; Marczak, Łukasz, Molecules, 2016

Mass spectrometry is currently one of the most versatile and sensitive instrumental methods applied to structural characterization of plant secondary metabolite mixtures isolated from biological material including flavonoid glycoconjugates. Resolution of the applied mass spectrometers plays an ...

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[This Week in Science] Shrinking spectrometers

04-Nov-2016 | Ian S. Osborne, Science , 2016

Optics Dual-comb spectroscopy is a powerful technique that uses the interference of two closely related combs to map spectroscopic features directly into a frequency domain that can be read by electronics. Suh et al. developed a dual-comb spectroscopy approach using combs produced by silica

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[Report] Microresonator soliton dual-comb spectroscopy

04-Nov-2016 | Myoung-Gyun Suh; Qi-Fan Yang; Ki Youl Yang; Xu Yi; Kerry J. Vahala, Science , 2016

Measurement of optical and vibrational spectra with high resolution provides a way to identify chemical species in cluttered environments and is of general importance in many fields. Dual-comb spectroscopy has emerged as a powerful approach for acquiring nearly instantaneous Raman and optical ...

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Matrix-Assisted Ionization on a Portable Mass Spectrometer: Analysis Directly from Biological and Synthetic Materials

03-Nov-2016 | Zachary J. Devereaux; Christian A. Reynolds; Joshua L. Fischer; Casey D. Foley; Jessica L. DeLeeuw; James Wager-Mill ..., Analytical Chemistry, 2016

Matrix-assisted ionization (MAI)-mass spectrometry (MS) eliminates the need for high voltage, a heat source, lasers, and compressed gases in the ionization process and uses minimal solvents in sample preparation, thus making MAI ideal for field-portable mass spectrometers. The broad applicability ...

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Quick, easy, cheap, effective, rugged, and safe sample preparation approach for pesticide residue analysis using traditional detectors in chromatography‐ A review

19-Oct-2016 | Musfiqur Rahman, A. M. Abd El‐Aty, Sung‐Woo Kim, Sung Chul Shin, Ho‐Chul Shin, Jae‐Han Shim, Journal of Separation Science, 2016

In pesticide residue analysis, relatively low‐sensitivity traditional detectors, such as UV, diode array, electron‐capture, flame photometric, and nitrogen‐phosphorus detectors, have been used following classical sample preparation (liquid–liquid extraction and open glass column cleanup); ...

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Sensors, Vol. 16, Pages 1742: Chemically Roughened Solid Silver: A Simple, Robust and Broadband SERS Substrate

19-Oct-2016 | Wijesuriya, Shavini ; Burugapalli, Krishna ; Mackay, Ruth ; Ajaezi, Godwin Chukwuebuka; Balachandran, Wamadeva, Sensors, 2016

Surface-enhanced Raman spectroscopy (SERS) substrates manufactured using complex nano-patterning techniques have become the norm. However, their cost of manufacture makes them unaffordable to incorporate into most biosensors. The technique shown in this paper is low-cost, reliable and highly ...

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High Pressure Mass Spectrometry of Volatile Organic Compounds with Ambient Air Buffer Gas

17-Oct-2016 | Kenion H. Blakeman, Craig A. Cavanaugh, William M. Gilliland, J. Michael Ramsey, Rapid Communications in Mass Spectrometry, 2016

RATIONALE There are many chemical measurement scenarios that would benefit from hand portable mass spectrometry tools including forensics, environmental monitoring, and safety and security. High pressure mass spectrometry (HPMS) facilitates miniaturization by significantly reducing vacuum ...

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Model based prediction of the trap limited diffusion of hydrogen in post‐hydrogenated amorphous silicon

14-Oct-2016 | Sebastian Gerke, Hans‐Werner Becker, Detlef Rogalla, Reinhart Job, Barbara Terheiden, physica status solidi (RRL) - Rapid Research Letters, 2016

The diffusion of hydrogen within an hydrogenated amorphous silicon (a‐Si:H) layer is based on a trap limited process. Therefore, the diffusion becomes a self‐limiting process with a decreasing diffusion velocity for increasing hydrogen content. In consequence, there is a strong demand for ...

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