Functionalization of porous siliceous materials, Part 2: Surface characterization by inverse gas chromatography

F Bauer, R Meyer, S Czihal, M Bertmer… - … of Chromatography A, 2019 - Elsevier
Surface modification of porous glass beads by ethanol-based 3-
mercaptopropyltrimethoxysilane (MPTMS) grafting solutions is directly evidenced by …

Silanization of siliceous materials, part 3: Modification of surface energy and acid-base properties of silica nanoparticles determined by inverse gas chromatography …

F Bauer, R Meyer, M Bertmer, S Naumov… - Colloids and Surfaces A …, 2021 - Elsevier
Surface modified silica nanoparticles are well-established composite materials. To improve
their embedding and application behavior, surface energy analysis has been performed …

Surface properties studies of bivalve shell waste by the IGC technique: Probing its significant potential application in the polymer industry

Z Yao, L Ge, X Ji, J Tang, M Xia, Y Xi - Journal of Alloys and Compounds, 2015 - Elsevier
Bivalve shell waste has the potential to be used as a bio-filler. In this work, the dispersive
component (γ sd) of surface free energies of the surfaces of clam shell waste (CS) and …

Finite dilution inverse gas chromatography as a versatile tool to determine the surface properties of biofillers for plastic composite applications

Z Yao, L Ge, W Yang, M Xia, X Ji, M Jin, J Tang… - Analytical …, 2015 - ACS Publications
An improved understanding of a filler's surface properties is important for determining the
most effective polymer reinforcement fillers. In this work, the surface characteristics of two …

Surface characterization of 1-butyl-1-ethylpiperidinium bromide by inverse gas chromatography

SK Papadopoulou, N Papaiconomou, S Baup… - Journal of Molecular …, 2019 - Elsevier
This work addresses the surface characterization of an organic salt based on a piperidinium
cation and a halide anion, similar to a first generation ionic liquid, using the Inverse Gas …

Effect of mechanical denaturation on surface free energy of protein powders

MA Mohammad, IM Grimsey, RT Forbes… - Colloids and Surfaces B …, 2016 - Elsevier
Globular proteins are important both as therapeutic agents and excipients. However, their
fragile native conformations can be denatured during pharmaceutical processing, which …

[HTML][HTML] Characterization of polar surface groups on siliceous materials by inverse gas chromatography and the enthalpy–entropy compensation effect

R Meyer, K Mueller, S Naumov, F Bauer… - Frontiers in …, 2023 - frontiersin.org
Surface-modified porous silica is a well-established composite material. To improve its
embedding and application behavior, adsorption studies of various probe molecules have …

Ex vivo and in vitro evaluation of the influence of the inhaler device and formulation on lung deposition of budesonide

F Aloum, Y Al Ayoub, MA Mohammad, M Obeed… - Powder technology, 2020 - Elsevier
Two different types of dry powder inhalers (Easyhaler® and RS01®) were used in this work
to evaluate the ex vivo and in vitro performance of a budesonide inhaled formulation with …

An equation to calculate the actual methylene middle parameter as a function of temperature

MA Mohammad - Journal of Chromatography A, 2015 - Elsevier
Methylene middle parameter α CH 2 (γ CH 2) 0.5, the product of the methylene group's cross-
sectional area (α CH 2) and the root square of its dispersive free energy (γ CH 2), is the key …

Accuracy verification of surface energy components measured by inverse gas chromatography

MA Mohammad - Journal of Chromatography A, 2015 - Elsevier
Inverse gas chromatography (IGC) measures the retention times of probes which are then
used to calculate the surface properties of solids. No method is available to verify how much …