Results 11 to 20 of about 10,369,778 (272)

A comprehensive study on the relationship between structure and antioxidant activity of natural deep eutectic solvent extracted polysaccharides from Chinese yam peel using asymmetrical flow field-flow fractionation [PDF]

open access: yesFood Chemistry: X
In this study, an ultrasound-assisted natural deep eutectic solvents (NADES) combined with enzymatic deproteinization was developed for extracting Chinese Yam peel polysaccharide (CYPP) from two varieties.
Yao Huang   +6 more
doaj   +2 more sources

Asymmetrical Flow Field-Flow Fractionation Methods for Quantitative Determination and Size Characterization of Thiols and for Mercury Size Speciation Analysis in Organic Matter-Rich Natural Waters [PDF]

open access: yesFrontiers in Chemistry, 2022
Asymmetrical flow field-flow fractionation (AF4) efficiently separates various macromolecules and nano-components of natural waters according to their hydrodynamic sizes.
Isabelle A. M. Worms   +4 more
doaj   +2 more sources

Asymmetrical flow field-flow-fractionation in pharmaceutical analytics [PDF]

open access: yes, 2003
Due to enormous progress in recombinant DNA techniques and methodology, a multitude of biosynthetic, pharmaceutically relevant polypeptides and proteins became available in the past decade and have been employed in numerous pharmaceutical products ...
Fraunhofer, Wolfgang
core   +3 more sources

Perturbations of Lipids and Oxidized Phospholipids in Lipoproteins of Patients with Postmenopausal Osteoporosis Evaluated by Asymmetrical Flow Field-Flow Fractionation and Nanoflow UHPLC–ESI–MS/MS [PDF]

open access: yesAntioxidants, 2020
Osteoporosis, a degenerative bone disease characterized by reduced bone mass and high risk of fragility, is associated with the alteration of circulating lipids, especially oxidized phospholipids (Ox-PLs).
Kang Geun Lee   +3 more
doaj   +2 more sources

Comparison of Miniaturized and Conventional Asymmetrical Flow Field-Flow Fractionation (AF4) Channels for Nanoparticle Separations

open access: yesSeparations, 2017
The performance of a miniaturized channel for the separation of polymer and metal nanoparticles (NP) using Asymmetrical Flow Field-Flow Fractionation (AF4) was investigated and compared with a conventional AF4 system.
Zengchao You   +2 more
doaj   +2 more sources

Fast and Purification-Free Characterization of Bio-Nanoparticles in Biological Media by Electrical Asymmetrical Flow Field-Flow Fractionation Hyphenated with Multi-Angle Light Scattering and Nanoparticle Tracking Analysis Detection [PDF]

open access: yesMolecules, 2020
Accurate physico-chemical characterization of exosomes and liposomes in biological media is challenging due to the inherent complexity of the sample matrix.
Roland Drexel   +5 more
doaj   +2 more sources

Characterization of Silver Nanoparticles under Environmentally Relevant Conditions Using Asymmetrical Flow Field-Flow Fractionation (AF4). [PDF]

open access: yesPLoS ONE, 2015
The development of methods to monitor manufactured nanomaterials in the environment is one of the crucial areas for the assessment of their risk. More specifically, particle size analysis is a key element, because many properties of nanomaterial are size
Min-Hee Jang, Seungho Lee, Yu Sik Hwang
doaj   +2 more sources

Characterization of binding between model protein GA-Z and human serum albumin using asymmetrical flow field-flow fractionation and small angle X-ray scattering. [PDF]

open access: yesPLoS ONE, 2020
Protein-based drugs often require targeted drug delivery for optimal therapy. A successful strategy to increase the circulation time of the protein in the blood is to link the therapeutic protein with an albumin-binding domain.
Jaeyeong Choi   +7 more
doaj   +2 more sources

Asymmetrical flow field-flow fractionation and multi-angle laser light scattering: A new analytical approach for the characterisation of insect protein aggregation/polymerisation after heat treatment of Tenebrio molitor larvae [PDF]

open access: yesCurrent Research in Food Science
Understanding the structural modifications of insect proteins during the transformation processes used for extract preparation is essential for optimising their functionalities and obtaining high added-value proteins.
Ariel Anouma   +3 more
doaj   +2 more sources

Optimization of asymmetrical flow field-flow fractionation (AF4)

open access: yesLC GC Europe, 2010
Asymmetrical flow field-flow fractionation (AF4) can be used on a routine basis to separate high-molecular-weight compounds as an alternative to size-exclusion chromatography (SEC), but the principle of separation is very different and a different ...
Qureshi, R.N., Kok, W.T.
core   +5 more sources

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