نتایج جستجو برای: hyphenated methods

تعداد نتایج: 1874774  

Journal: :The Analyst 2015
Michael C D Tayler S Bas G J van Meerten Arno P M Kentgens P Jan M van Bentum

A protocol is presented for offline microfluidic NMR analysis hyphenated with supercritical chromatographic separation. The method demonstrates quantitative detection with good sensitivity. Typical sample amounts of 10 nanomoles can be detected in a fast and cost-effective manner.

Journal: :TrAC Trends in Analytical Chemistry 2005

2012
Xinghua Guo Ernst Lankmayr

Hyphenated gas chromatography (GC) (Chaturvedi & Nanda, 2010; Coleman III & Gordon, 2006) mainly refers to the coupling of the high-performance separation technique of gas chromatography with 1) information-rich and sophisticated GC detectors which otherwise can be mostly operated as a stand-alone instrument for chemical analysis, and 2) automated online sample preparation systems. The term “hy...

Journal: :Analyst 2021

We explore the endeavours directed to development of electrochemical-based sensors for determination capsaicin and related compounds, starting from their use in hyphenated laboratory set-ups modern as stand-alone electroanalytical sensors.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم انسانی 1387

چکیده: بررسی ادبیات مربوطه در کشور در زمینه یادگیری زبان انگلیسی نشان می‎دهد که علی‎رغم اهمیت املا در فرآیند یادگیری به طور عام و یادگیری زبان انگلیسی به طور خاص، این مولفه از جایگاهی متناسب با اهمیت آن برخوردار نیست و عمدتاً نادیده گرفته شده است. تحقیقات گسترده‎ای در خارج از کشور در مورد ماهیت این مولفه صورت گرفته است، در حالی که به جرأت می‎توان گفت در داخل کشور گامی در مورد درک ماهیت آن و فرآی...

Journal: :Psychophysiology 2012
Maria Ktori Jonathan Grainger Stéphane Dufau Phillip J Holcomb

We describe the results of a study that combines ERP recordings and sandwich priming, a variant of masked priming that provides a brief preview of the target prior to prime presentation (S. J. Lupker & C. J. Davis, 2009). This has been shown to increase the size of masked priming effects seen in behavioral responses. We found the same increase in sensitivity to ERP priming effects in an orthogr...

Journal: :Chemical communications 2010
M Victoria Gomez Hein H J Verputten Angel Díaz-Ortíz Andres Moreno Antonio de la Hoz Aldrik H Velders

We report the use of a nanolitre nuclear magnetic resonance (NMR) spectroscopy microfluidic chip hyphenated to a continuous-flow microlitre-microwave irradiation set-up, for on-line monitoring and rapid optimization of reaction conditions.

Journal: :Brain research 2009
Jonathan Grainger Phillip J Holcomb

The present study used event-related potentials to examine the time-course of relative-position and absolute-position orthographic priming. Relative-position priming was examined using primes formed by a concatenated subset of the target word's letters (e.g., cllet/COLLECT vs. dlema/COLLECT), and absolute-position priming was investigated using hyphenated versions of these primes (c-lle-t/COLLE...

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