Cellulosic nitrogen doped carbon quantum dots hydrogels with fluorescence/visco-elastic properties for pH-and temperature-sensitivity

HAS Tohamy - Diamond and Related Materials, 2023 - Elsevier
The swelled hydroxyl ethyl cellulose-N–CQDs-g-poly (co-acrylamido-2-methyl-1-propane
sulfonic Acid) prepared from hydroxyl ethyl cellulose (HEC), nitrogen doped carbon …

Temperature-and pH-responsive super-absorbent hydrogel based on grafted cellulose and capable of heavy metal removal from aqueous solutions

HAS Tohamy, M El-Sakhawy, B Strachota, A Strachota… - Gels, 2023 - mdpi.com
In this work, we prepared highly swelling, stimuli-responsive hydrogels capable of the highly
efficient adsorption of inorganic pollutants. The hydrogels were based on hydroxypropyl …

A novel ascorbic acid based natural deep eutectic solvent as a drilling mud additive for shale stabilization

MH Rasool, M Ahmad, M Ayoub, MA Abbas - Processes, 2023 - mdpi.com
During drilling, almost 70% of wellbore instability issues result from the encountering of
shale formations. Various additives such as salts, silicates, and polymers are used in water …

Experimental effect of biopolymers, synthetic and modified polymers on Western Pakistan shale (GHAZIJ) stability

SM Lalji, SI Ali, M Asad - Arabian Journal for Science and Engineering, 2023 - Springer
Several wellbore instabilities issues arise when drilling into any reactive shale formation.
These problems affect the drilling activity seriously which eventually results in non …

Novel ultra-stretchable and self-healing crosslinked poly (ethylene oxide)-cationic guar gum hydrogel

SA Bernal-Chávez, S Alcalá-Alcalá… - Journal of Biological …, 2023 - Springer
Hydrogels are three-dimensional structures with specific features that render them useful for
biomedical applications, such as tissue engineering scaffolds, drug delivery systems, and …

Influence of graphene oxide on salt-polymer mud rheology and Pakistan shale swelling inhibition behavior

SM Lalji, SI Ali, R Ahmed, S Hashmi, ZUH Awan… - Arabian Journal of …, 2022 - Springer
Nanoparticle adaption in comparison with micron particles reveals a relatively conducive
impact on the stability of the drilling mud. Hence, the use of these particles can be a solution …

[HTML][HTML] Evaluation of physically and/or chemically modified chitosan hydrogels for proficient release of insoluble nystatin in simulated fluids

AC Enache, C Cojocaru, P Samoila, A Bele… - Gels, 2022 - mdpi.com
To avoid fungal spreading in the bloodstream and internal organs, many research efforts
concentrate on finding appropriate candidiasis treatment from the initial stage. This paper …

[HTML][HTML] Organobentonite fabrication assisted by surfactant octadecylamine intercalation under hydrothermal/solvothermal condition for effective direct yellow dye …

YM Hakim, I Royani, R Mohadi - Kuwait Journal of Science, 2024 - Elsevier
This study utilizes a hydrothermal-solvothermal method to facilitate the fabrication of
organobentonite (OB) by intercalating the surfactant octadecylamine (ODA) using several …

Taro mucilage as green inhibitor in water-based drilling fluid to modify the rheological and filtration properties and mitigating shale swelling characteristics

MA Khan, MA Sheikh, M Salman, SM Lalji… - Abu Dhabi …, 2023 - onepetro.org
Clay bearing shale formations tend to swell upon contact with water-based drilling fluid. The
migration of hydrogen ions into the nano-spacing of shale platelets is mainly responsible for …

Exploring the effect of AC/TiO2 nanoparticles and polyanionic cellulose on water-based drilling fluid properties: an integrated approach of experiment and CCD

SM Lalji, J Haneef, S Hashmi - Chemical Papers, 2024 - Springer
Limited studies are performed in the petroleum sector on titanium dioxide (TiO2)
nanoparticles and its crystal form. Moreover, no study is reported up till now that studied the …