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Showing 1 to 12 of 12519 entries
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Fractionating power in programmed field-flow fractionation: exponential sedimentation field decay.

Analytical chemistry

Giddings JC, Williams PS, Beckett R.
PMID: 3826632
Anal Chem. 1987 Jan 01;59(1):28-37. doi: 10.1021/ac00128a007.

No abstract available.

Detection limits and selectivity in electrochemical detectors.

Analytical chemistry

Weber SG, Long JT.
PMID: 3066233
Anal Chem. 1988 Aug 01;60(15):903A-913A. doi: 10.1021/ac00166a002.

No abstract available.

Application of time array detection to capillary column gas chromatography/conventional time-of-flight mass spectrometry.

Analytical chemistry

Erickson ED, Enke CG, Holland JF, Watson JT.
PMID: 2360715
Anal Chem. 1990 May 15;62(10):1079-84. doi: 10.1021/ac00209a022.

The technique of time array detection (TAD) is designed to take advantage of the high spectral generation rate available in time-of-flight (TOF) mass spectrometry. In TAD, a number of successive TOF arrival time transient signals are summed to produce...

Report on drugs, miscellaneous.

Journal - Association of Official Analytical Chemists

Hopes TM.
PMID: 4816483
J Assoc Off Anal Chem. 1974 Mar;57(2):255-7.

No abstract available.

Reproducible nuclear magnetic resonance surface coil fabrication by combining computer-aided design and a photoresist process.

Analytical chemistry

Fan TW, Higashi RM.
PMID: 2729597
Anal Chem. 1989 Mar 15;61(6):636-8. doi: 10.1021/ac00181a030.

No abstract available.

Method for fabrication of paper-based microfluidic devices by alkylsilane self-assembling and UV/O3-patterning.

Analytical chemistry

He Q, Ma C, Hu X, Chen H.
PMID: 23244032
Anal Chem. 2013 Feb 05;85(3):1327-31. doi: 10.1021/ac303138x. Epub 2013 Jan 07.

This work presents a novel and facile method for fabricating paper-based microfluidic devices by means of coupling of hydrophobic silane to paper fibers followed by deep UV-lithography. After filter paper being simply immersed in an octadecyltrichlorosilane (OTS) solution in...

Assessment of two-dimensional separative systems using nearest-neighbor distances approach. Part 1: orthogonality aspects.

Analytical chemistry

Nowik W, Héron S, Bonose M, Nowik M, Tchapla A.
PMID: 24066841
Anal Chem. 2013 Oct 15;85(20):9449-58. doi: 10.1021/ac4012705. Epub 2013 Sep 25.

We propose here a new approach to the evaluation of two-dimensional and, more generally, multidimensional separations based on topological methods. We consider the apex plot as a graph, which could further be treated using a topological tool: the measure...

Real-time atmospheric chemistry field instrumentation.

Analytical chemistry

Farmer DK, Jimenez JL.
PMID: 20722374
Anal Chem. 2010 Oct 01;82(19):7879-84. doi: 10.1021/ac1010603.

Quantifying the concentrations of trace atmospheric species in complex, reactive, and constantly changing gas and particle mixtures is challenging. This article provides a broad overview of recent advances in instrumentation used for analyzing ambient gases and particles continuously and...

Simulation and experimental studies on plasma temperature, flow velocity, and injector diameter effects for an inductively coupled plasma.

Analytical chemistry

Lindner H, Murtazin A, Groh S, Niemax K, Bogaerts A.
PMID: 21797283
Anal Chem. 2011 Dec 15;83(24):9260-6. doi: 10.1021/ac201699q. Epub 2011 Nov 16.

An inductively coupled plasma (ICP) is analyzed by means of experiments and numerical simulation. Important plasma properties are analyzed, namely, the effective temperature inside the central channel and the mean flow velocity inside the plasma. Furthermore, the effect of...

Differential solute gas response in ionic-liquid-based QCM arrays: elucidating design factors responsible for discriminative explosive gas sensing.

Analytical chemistry

Rehman A, Hamilton A, Chung A, Baker GA, Wang Z, Zeng X.
PMID: 21863884
Anal Chem. 2011 Oct 15;83(20):7823-33. doi: 10.1021/ac201583c. Epub 2011 Sep 26.

An eight-sensor array coupling a chemoselective room-temperature ionic liquid (RTIL) with quartz crystal microbalance (QCM) transduction is presented in this work in order to demonstrate the power of this approach in differentiating closely related analytes in sensory devices. The...

Thiol-epoxy click polymerization for preparation of polymeric monoliths with well-defined 3D framework for capillary liquid chromatography.

Analytical chemistry

Lin H, Ou J, Liu Z, Wang H, Dong J, Zou H.
PMID: 25679546
Anal Chem. 2015 Mar 17;87(6):3476-83. doi: 10.1021/acs.analchem.5b00006. Epub 2015 Feb 24.

A facile approach was developed for direct preparation of organic monoliths via the alkaline-catalyzed thiol-epoxy click polymerization. Two organic monoliths were prepared by using tetraphenylolethane glycidyl ether as a multiepoxy monomer, and trimethylolpropane tris(3-mercaptopropionate) and pentaerythritol tetrakis(3-mercaptopropionate) as the...

Fabrication route for the production of coplanar, diamond insulated, boron doped diamond macro- and microelectrodes of any geometry.

Analytical chemistry

Joseph MB, Bitziou E, Read TL, Meng L, Palmer NL, Mollart TP, Newton ME, Macpherson JV.
PMID: 24814161
Anal Chem. 2014 Jun 03;86(11):5238-44. doi: 10.1021/ac501092y. Epub 2014 May 21.

Highly doped, boron doped diamond (BDD) is an electrode material with great potential, but the fabrication of suitable electrodes in a variety of different geometries both at the macro- and microscale, with an insulating material that does not compromise...

Showing 1 to 12 of 12519 entries