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244 Newest Publications about the topic thin layer chromatography
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Non-selective distribution of isomeric cholesterol hydroperoxides to microdomains in cell membranes and activation of matrix metalloproteinase activity in a model of dermal cells
10-06-2013 | Author(s): Toshiyuki Nakamura , Ayako Noma , Sachiko Shimada , Nanase Ishii , Noriko Bando , Yoshichika Kawai ..., Chemistry and Physics of Lipids, 2013
Publication date: Available online 7 June 2013 Source:Chemistry and Physics of Lipids Author(s): Toshiyuki Nakamura , Ayako Noma , Sachiko Shimada , Nanase Ishii , Noriko Bando , Yoshichika Kawai , Junji Terao Cholesterol hydroperoxides (ChOOHs) are included as lipid peroxidation ...
Whitening and antioxidant activities of bornyl acetate and nezukol fractionated from Cryptomeria japonica essential oil
29-05-2013 | Seon‐Hong Kim, Su‐Yeon Lee, Chang‐Young Hong, Ki‐Seob Gwak, Mi‐Jin Park, David Smith, In‐Gyu Choi, International Journal of Cosmetic Science, 2013
The aim of this study was to investigate the whitening and antioxidant activities of essential oils from Cryptomeria japonica by determining their tyrosinase inhibition, DPPH (1,1‐diphenyl‐2‐picrylhydrazyl) radical scavenging, and superoxide dismutase (SOD) like activities. Essential ...
Determination of Vanadium/Nickel Proportionality in the Asphaltene Fraction of Crude Oil Using Thin-Layer Chromatography with Femtosecond Laser Ablation–Inductively Coupled Plasma–Mass Spectrometry
03-05-2013 | José Chirinos; Dayana Oropeza; Jhanis González; María Ranaudo; Richard E. Russo, Energy & Fuels, 2013
A method that integrated thin-layer chromatography (TLC) with femtosecond laser ablation–inductively coupled plasma–mass spectrometry (fs-LA–ICP–MS) was developed for the determination of the proportionality of vanadium/nickel in the asphaltene fraction of crude oils. TLC is easy and fast to ...
Ozone priming of patterned carbon nanotube forests for subsequent atomic layer deposition-like deposition of SiO2 for the preparation of microfabricated thin layer chromatography plates
01-05-2013 | David S. Jensen, Supriya S. Kanyal, Nitesh Madaan, Andrew J. Miles, Robert C. Davis et al., Journal of Vacuum Science & Technology B, 2013
The authors report the ozonation of patterned, vertically aligned carbon nanotube (CNT) forests as a method of priming them for subsequent pseudo atomic layer deposition (ψ-ALD) (alternating layer deposition) of silica to produce microfabricated, CNT-templated thin layer chromatography (TLC) ...
Identification of Antimutagenic Properties of Anthocyanins and Other Polyphenols from Rose (Rosa centifolia) Petals and Tea
29-04-2013 | Sanjeev Kumar, Satyendra Gautam, Arun Sharma, Journal of Food Science, 2013
Abstract Petals from different rose (Rosa centifolia) cultivars (“passion,” “pink noblesse,” and “sphinx”) were assessed for antimutagenicity using Escherichia coli RNA polymerase B (rpoB)‐based Rif S→Rif R (rifampicin sensitive to resistant) forward mutation assay against ethyl ...
Free Radical Scavenging activity, Kinetic behaviour and phytochemical constituents of Aristolochia clematitis L. roots
22-04-2013 | Author(s): Houcine Benmehdi , Asma Behilil , Faïza Memmou , Abdelillah Amrouche, Arabian Journal of Chemistry, 2013
Publication date: Available online 18 April 2013Source:Arabian Journal of Chemistry Author(s): Houcine Benmehdi , Asma Behilil , Faïza Memmou , Abdelillah Amrouche Nowadays there is an increasing demand of natural antioxidants. Imbalanced production and consumption of reactive oxygen ...
Multi‐instrument characterization of the surfaces and materials in microfabricated, carbon nanotube‐templated thin layer chromatography plates. An analogy to ‘The Blind Men and the Elephant’
18-04-2013 | David S. Jensen, Supriya S. Kanyal, Nitesh Madaan, Jared M. Hancock, Andrew E. Dadson, Michael A. Vail, Richard Vanf ..., Surface and Interface Analysis, 2013
We apply a suite of analytical tools to characterize materials created in the production of microfabricated thin layer chromatography plates. Techniques used include X‐ray photoelectron spectroscopy (XPS), valence band spectroscopy, time‐of‐flight secondary ion mass spectrometry (ToF‐SIMS) ...
Determination of Absolute Configuration of Secondary Alcohols Using Thin-Layer Chromatography
17-04-2013 | Alexander J. Wagner; Scott D. Rychnovsky, The Journal of Organic Chemistry, 2013
A new implementation of the competing enantioselective conversion (CEC) method was developed to qualitatively determine the absolute configuration of enantioenriched secondary alcohols using thin-layer chromatography. The entire process for the method requires approximately 60 min and ...
Surface Enhanced Raman Scattering Imaging of Developed Thin-Layer Chromatography Plates
05-04-2013 | Chris E. Freye; Nichole A. Crane; Teresa B. Kirchner; Michael J. Sepaniak, Analytical Chemistry, 2013
A method for hyphenating surface enhanced Raman scattering (SERS) and thin-layer chromatography (TLC) is presented that employs silver–polymer nanocomposites as an interface. Through the process of conformal blotting, analytes are transferred from TLC plates to nanocomposite films before ...
Effects of catalyst thickness on the fabrication and performance of carbon nanotube-templated thin layer chromatography plates
05-04-2013 | Supriya S. Kanyal, David S. Jensen, Andrew J. Miles, Andrew E. Dadson, Michael A. Vail et al., Journal of Vacuum Science & Technology B, 2013
The effects of iron catalyst thickness on the fabrication and performance of microfabricated, binder-free, carbon nanotube (CNT)-templated, thin layer chromatography (TLC) plates are demonstrated. The iron catalyst was deposited at thicknesses ranging from 4 to 18 nm in increments of 2 nm. ...
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