Results 11 to 20 of about 111,219 (257)

Comparison of the influence of polyacrylamide and sodium oleate on selective flocculation of goethite from sludge [PDF]

open access: yesJournal of Mining and Metallurgy. Section A: Mining, 2021
The paper represents a part of research conducted with the aim of examining the possibility of applying selective flocculation of goethite from sludge that occurs in the process of iron ore production.
Tankosić Ljiljana, Sredić S.
doaj   +1 more source

Surface Potential/Charge Sensing Techniques and Applications

open access: yesSensors, 2020
Surface potential and surface charge sensing techniques have attracted a wide range of research interest in recent decades. With the development and optimization of detection technologies, especially nanosensors, new mechanisms and techniques are ...
Songyue Chen, Hepeng Dong, Jing Yang
doaj   +1 more source

Wettability Studies Using Zeta Potential Measurements

open access: yesJournal of Chemistry, 2015
Wettability studies have been carried out on reservoir rocks using different techniques such as the Amott-Harvey method, the USBM method, and the contact angle method, all with limitations.
Ghada Bassioni, Syed Taha Taqvi
doaj   +1 more source

Investigations on the adsorption, wettability and zeta potential of anionic surfactant in limestone

open access: yesAnais da Academia Brasileira de Ciências, 2021
The understanding of the mechanisms that affect oil production in carbonaceous reservoirs has become increasingly necessary, particularly in limestone, which mostly features oil wettability properties that diminishes petroleum recovery.
ALLAN M. NEVES   +5 more
doaj   +1 more source

Positive zeta potential of nanodiamonds [PDF]

open access: yesNanoscale, 2017
Schematic figure of the positive zeta potential of nanodiamonds. This work clarifies the controversial origin of the positive zeta potential.
Laia Ginés   +5 more
openaire   +3 more sources

Introducing Membrane Charge and Membrane Potential to T Cell Signaling

open access: yesFrontiers in Immunology, 2017
While membrane models now include the heterogeneous distribution of lipids, the impact of membrane charges on regulating the association of proteins with the plasma membrane is often overlooked.
Yuanqing Ma   +7 more
doaj   +1 more source

STREAMING CURRENT INDUCED BY FLUID FLOW IN POROUS MEDIA [PDF]

open access: yesEarth Science Malaysia, 2018
Streaming current is induced by the relative motion between a fluid and a solid surface under a fluid pressure difference. In this work, a theoretical model for the streaming current coefficient in porous media is firstly developed based on the fractal
Luong Duy Thanh, Phan Van Do
doaj   +1 more source

Enhanced Dyeing of Polypropylene Using Fluorine–Oxygen Gas Mixtures

open access: yesColorants, 2023
Surface fluorination with pure F2 gas can easily make the surface on PP (polypropylene) hydrophobic, and it causes limited dyeability, as reported in a previous paper.
Masanari Namie   +2 more
doaj   +1 more source

Classification of Particles Dispersed by Bead Milling with Electrophoresis

open access: yesKONA Powder and Particle Journal, 2014
The purpose of the present study is to develop a new particle classification technique and apparatus to replace centrifugal separation method, where continuous operation for classification is impossible because of ...
Tetsuya Yamamoto   +4 more
doaj   +1 more source

Enhancement of solubility of poorly water soluble anti hypertensive drug by nanosizing approach

open access: yesJournal of Pharmacy and Bioallied Sciences, 2012
The objective of this research study was to optimize formulation and process variables affecting characteristic of nanosuspension in bead milling process.
Divyesh Thakar   +2 more
doaj   +1 more source

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