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   Articles with "tlc" as a keyword



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TLC surface integrity affects the detection of alkali adduct ions in TLC-MALDI analysis

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recommendations! Published in 2017 at "Analytical and Bioanalytical Chemistry"

DOI: 10.1007/s00216-017-0501-9

Abstract: AbstractDirect coupling of thin-layer chromatography (TLC) with matrix-assisted laser desorption ionization (MALDI) mass spectrometry allows fast and detailed characterization of a large variety of analytes. The use of this technique, however, presents great challenges in… read more here.

Keywords: tlc maldi; tlc surface; integrity; tlc ... See more keywords
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Prognostic significance of perioperative nutritional parameters in patients with gastric cancer.

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recommendations! Published in 2019 at "Clinical nutrition"

DOI: 10.1016/j.clnu.2018.02.015

Abstract: BACKGROUND & AIMS It has been suggested that nutritional status is related to the survival outcomes of cancer patients. The purpose of the current research is to evaluate the importance of the prognosis of various… read more here.

Keywords: gastric cancer; nutritional parameters; cancer; tlc ... See more keywords
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Separation and analysis of high range extractable molecules formed during coal pyrolysis using coupled thin layer chromatography-imaging mass spectrometry (TLC-LDI-IMS)

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recommendations! Published in 2017 at "Fuel"

DOI: 10.1016/j.fuel.2017.02.010

Abstract: Abstract A new coupled thin layer chromatography-imaging mass spectrometry method was developed to investigate solvent extracts from a coal. The technique was used to assess the separation of complex molecular structures in a tetrahydrofuran (THF)… read more here.

Keywords: layer chromatography; plate; separation; thin layer ... See more keywords

Infrared MALDI mass spectrometry imaging of TLC-separated glycosphingolipids with emphasis on Shiga toxin receptors isolated from human colon epithelial cells

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recommendations! Published in 2017 at "International Journal of Mass Spectrometry"

DOI: 10.1016/j.ijms.2016.11.008

Abstract: Abstract Thin-layer chromatography (TLC) combined with infrared MALDI mass spectrometry (IR-MALDI-MS) is a powerful analytical tool for detection and structural characterization of glyco- and phospholipids directly from the TLC plate. Here we coupled a pulsed… read more here.

Keywords: maldi mass; tlc; infrared maldi; mass spectrometry ... See more keywords
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The Teacher-Learner Contract (TLC): An Objectives-Based Checklist for Surgical Shadowing.

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recommendations! Published in 2019 at "Journal of surgical education"

DOI: 10.1016/j.jsurg.2019.09.013

Abstract: OBJECTIVE A lack of structure and communication in physician shadowing experiences may prevent medical students from accruing its potential benefits. In this study, we evaluated the use of an objectives-based surgical shadowing teacher-learner contract (TLC)… read more here.

Keywords: teacher learner; surgical shadowing; learner contract; objectives based ... See more keywords
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Evaluation of Thin-Layer Chromatography–Laser Desorption Ionization Fourier Transform Ion Cyclotron Resonance Mass Spectrometric Imaging for Visualization of Crude Oil Interactions

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recommendations! Published in 2018 at "Energy & Fuels"

DOI: 10.1021/acs.energyfuels.8b00639

Abstract: A light oil was separated into four chromatographic fractions that serve as proxy for SARA fractions. The fractions were (semi)quantified on a rod by TLC-flame ionization detection and characterized on a plate with laser desorption… read more here.

Keywords: oil interactions; laser desorption; tlc; ionization ... See more keywords
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Stability-Indicating UPLC and TLC-Densitometric Methods for Determination of Benztropine Mesylate and Its Carcinogenic Degradation Product.

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recommendations! Published in 2017 at "Journal of chromatographic science"

DOI: 10.1093/chromsci/bmx056

Abstract: Two accurate, precise and highly selective stability-indicating methods were adopted for simultaneous determination of benztropine mesylate (BNZ) in presence of its hepatotoxic and carcinogenic degradation product, benzophenone (BPH) either in pure form or in the… read more here.

Keywords: benztropine mesylate; carcinogenic degradation; degradation product; stability indicating ... See more keywords
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Simultaneous Quantification of Chlorpheniramine, Phenylephrine, Guaifenesin in Presence of Preservatives with Detection of Related Substance Guaiacol in their Cough Syrup by RP-HPLC and TLC-Densitometric Methods.

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recommendations! Published in 2019 at "Journal of chromatographic science"

DOI: 10.1093/chromsci/bmz027

Abstract: Two sensitive chromatographic methods have been developed, and validated for chlorpheniramine maleate (CM), phenylephrine (PE) and guaifenesin (GF) determination in their mixture and in presence of GF related substance guaiacol (GL) and preservative namely; sodium… read more here.

Keywords: related substance; chlorpheniramine; substance guaiacol; tlc ... See more keywords
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More likely normal lungs in nowadays children with a congenital heart defect?

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recommendations! Published in 2023 at "European Journal of Preventive Cardiology"

DOI: 10.1093/eurjpc/zwad125.301

Abstract: Type of funding sources: Private grant(s) and/or Sponsorship. Main funding source(s): Stiftung KinderHerz Weserstr. 101 45136 Essen. For the last decades, surgical progress lead to better functional outcomes in patients with congenital heart defect (CHD),… read more here.

Keywords: heart defect; lung function; tlc; congenital heart ... See more keywords
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Some results are striking - what about lung function in adults with congenital heart disease?

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recommendations! Published in 2023 at "European Journal of Preventive Cardiology"

DOI: 10.1093/eurjpc/zwad125.302

Abstract: Type of funding sources: Private grant(s) and/or Sponsorship. Main funding source(s): Stiftung KinderHerz Weserstr. 101 45136 Essen. During the last years, lung function tests became of high interest in patients with a congenital heart defect… read more here.

Keywords: tlc; lung function; congenital heart; fev1 ... See more keywords
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Contribution of peripheral airway function to changes in FEV1/FVC and RV/TLC with aging.

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recommendations! Published in 2018 at "Journal of applied physiology"

DOI: 10.1152/japplphysiol.00114.2018

Abstract: Multiple breath nitrogen washout (MBNW) indices provide insight into ventilation heterogeneity globally [lung clearance index (LCI)] and within acinar (Sacin) and conducting (Scond) airways. Normal aging leads to an accelerated deterioration of Sacin in older… read more here.

Keywords: airway function; fev1 fvc; function; tlc ... See more keywords