Composites of polymer hydrogels and nanoparticulate systems for biomedical and pharmaceutical applications

F Zhao, D Yao, R Guo, L Deng, A Dong, J Zhang - Nanomaterials, 2015 - mdpi.com
Due to their unique structures and properties, three-dimensional hydrogels and
nanostructured particles have been widely studied and shown a very high potential for …

Polymeric hydrogels—a promising platform in enhancing water security for a sustainable future

SL Loo, L Vásquez, A Athanassiou… - Advanced Materials …, 2021 - Wiley Online Library
Although water is essential for global health and the socio‐economic development of
modern society, providing fresh water universally in a sustainable and affordable manner …

Recent advances in polymeric hydrogel nanoarchitectures for drug delivery applications

CI Idumah, IC Nwuzor, SR Odera… - … Journal of Polymeric …, 2024 - Taylor & Francis
Hydrogels (HDG) are materials exhibiting versatile applications in varying fields such as the
pharmaceutical and biomedical industries. However, HDG are prone to inferior chemical …

Network-gel strength relationship and performance improvement of polyacrylamide hydrogel using nano-silica; with regards to application in oil wells conditions

C Zareie, AR Bahramian, MV Sefti, MB Salehi - Journal of Molecular Liquids, 2019 - Elsevier
Today, hydrogel plugs as a new and effective technology are widely used for temporary oil
and gas well plugging. Although, the strength and fluidity of the hydrogels in the oil wells …

Nanocomposite gels for water shut-off and temporary plugging in the petroleum industry: a review

J Du, Q Wang, P Liu, G Xiong, P Chen… - Petroleum Science …, 2023 - Taylor & Francis
Compared with conventional polymer gels, nanocomposite gels have significant advantages
in strength and temperature resistance. They can adapt to more severe reservoir …

Development of a novel fly ash-polyacrylamide nanocomposite gel system for improved recovery of oil from heterogeneous reservoir

R Singh, V Mahto, H Vuthaluru - Journal of Petroleum Science and …, 2018 - Elsevier
Among all the available methods to reduce water production and to improve oil recovery
from heterogeneous reservoirs, injecting a gelling system composed of a polymer and a …

Polyacrylamide hydrogel application in sand control with compressive strength testing

MB Salehi, AM Moghadam, SZ Marandi - Petroleum Science, 2019 - Springer
Sand production is one of the major problems in sandstone reservoirs. Different mechanical
and chemical methods have been proposed to control sand production. In this paper, we …

A polyacrylamide hydrogel for application at high temperature and salinity tolerance in temporary well plugging

C Zareie, MV Sefti, AR Bahramian, MB Salehi - Iranian Polymer Journal, 2018 - Springer
In addition to conventional approach to ensure the successful application of polymer
hydrogels in maintaining temporary well plugging, exact analysis of gel formation and gel …

Polyacrylamide hydrogels prepared by varying water content during polymerization: Material characterization, reswelling ability, and aging resistance

V Penkavova, A Spalova, J Tomas… - Polymer Engineering & …, 2022 - Wiley Online Library
As easily fabricated, polyacrylamide (PAAm) hydrogels are widely used, especially in
medicine. Material properties of these crosslinked polymers are usually tuned by varying …

Preparation and characterization of nanoclay-based (Na-MMT and bentonite) polyacrylamide hydrogels as water shut-Off agent for enhanced oil recovery

S Amiri - Silicon, 2019 - Springer
A novel poly (acrylamide)/clay mineral composite was synthesized by controlled radical
polymerization of acrylamide, clay minerals using potassium persulfate (KPS) and N, N …