Article
Polymer Science
Antonina Simakova, Saadyah Averick, Arman Moini Jazani, Krzysztof Matyjaszewski
Summary: This article reports a method for preparing cationic nanogels by atom transfer radical polymerization under inverse microemulsion conditions. The use of a hydrophilic inimer prevents the growth of droplets during polymerization. The surface functionality of the nanogels can be modulated by applying different reactive surfactants or grafting hydrophilic shells. The synthesized cationic nanogels are biocompatible and have a high complexation ability for plasmid DNA.
MACROMOLECULAR CHEMISTRY AND PHYSICS
(2023)
Article
Nanoscience & Nanotechnology
Yongqin Hu, Chen Hou, Jia An, Junan Fang, Yuxia Shi, Qianxi Fan, Guoyi Liu, Yufei Liu
Summary: In this study, a Fe3O4 nanoparticles doped silk fibroin-polyacrylamide magnetic hybrid hydrogel was successfully fabricated. The hydrogel showed strong magnetic performance and excellent swelling properties, and exhibited selective adsorption properties for cationic dyes. The hybrid hydrogel has potential applications in water purification and environmental protection.
Article
Chemistry, Multidisciplinary
Sidra Bibi, Fozia Bibi, Abdul Amir, Danial Mazhar, Muhammad Waseem
Summary: In this study, nanocomposites of Ag2O and TiO2 with different combinations were prepared by the microemulsion method. The adsorption performance of the nanocomposites towards crystal violet, methyl orange, and methylene blue dyes was evaluated, and it was found that up to 90-93% of the dyes could be removed under certain concentration and temperature conditions. The adsorption data fit well with the Freundlich model, indicating an exothermic nature of the adsorption process at lower temperatures.
Article
Engineering, Environmental
Abdullah A. Basaleh, Muhammad H. Al-Malack, Tawfik A. Saleh
Summary: A highly efficient magnetic polymeric composite was synthesized from steelmaking waste for effective removal of methyl orange and methylene blue from synthetic solutions. Characterization of the composite was conducted using various analytical techniques, and it was found to have excellent adsorption capacities for the dyes. The study indicated that the composite could be a promising candidate for wastewater treatment due to its spontaneous and feasible dye removal capabilities.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Polymer Science
Filip Petko, Andrzej Swiezy, Magdalena Jankowska, Pawel Stalmach, Joanna Ortyl
Summary: In this article, a new group of cationic photoinitiators is introduced and their photophysical properties and photoinitiating activity are analyzed with respect to the arrangement of electron-donating substituents in the coumarin chromophore. The authors observed two patterns of D-pi-A structure in the five new coumarin-based iodonium salts, which differ in the strength of the push-pull effect that determines their properties. These photoinitiators show excellent activity at 365 nm, 405 nm, and 415 nm and exhibit increased activity at elevated temperatures due to thermal reactions with monomers. This photo-thermal initiating activity makes them excellent photoinitiators for nanocomposite DLP 3D-VAT printing, overcoming scattering and shadowing problems.
Article
Polymer Science
Marissa D. Morales-Moctezuma, Sebastian G. Spain
Summary: The use of co-solvents during nanogel synthesis significantly affects the properties of the final nanogels, including particle size and temperature response. Nanogels synthesized in water increase in size with increasing pNIPAM block polymerization, while particle sizes decrease with higher ethanol content in the synthesis solvent. Additionally, the tacticity of copolymers synthesized under similar conditions changes with increasing ethanol content, resulting in increased syndiotacticity and cloud point temperatures.
Article
Biotechnology & Applied Microbiology
Erol Pehlivan, Serife Parlayici
Summary: The study investigates the adsorption of methylene blue and malachite green onto a novel biosorbent, nTiO(2)-Composite, showing high performance in dye removal with maximum adsorption capacities of 86.96 and 108.70 mg g(-1) under optimized conditions. Thermodynamic parameters confirm the interaction of dyes with nTiO(2)-Composite as exothermic and spontaneous.
JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY
(2021)
Article
Chemistry, Multidisciplinary
Konstantinos Papapetros, Labrini Sygellou, Charalampos Anastasopoulos, Konstantinos S. Andrikopoulos, Georgios Bokias, George A. Voyiatzis
Summary: Cotton cationization with low molecular weight or polymeric cationic modifiers enables dyeing of cotton substrates with reactive dyes under salt-free and environmentally friendly conditions. The spectroscopic study of intermolecular interactions during fabric dyeing was conducted, using water-soluble cationic copolymers as cellulose cationic modifiers. The study revealed that electrostatic interactions between the sulfonate/sulfate anions of the dyes and the cationic VBCTEAM units of the polymer played a crucial role.
APPLIED SCIENCES-BASEL
(2023)
Article
Engineering, Environmental
Badr M. Thamer, Abdullah A. Shaker, Meera Moydeen Abdul Hameed, Abdullah M. Al-Enizi
Summary: Fabrication of nanoadsorbents with excellent adsorption capacity, selectivity, easy separation, and superior reusability for removing organic dyes from polluted water remains challenging. In this study, novel expansive clay/polyvinyl alcohol nanofibers (clay/PVA NFs) were fabricated as sheet-membranes using an electrospinning technique. The clay/PVA NFs showed improved adsorption performance for crystal violet dye (CV) removal, as well as outstanding reusability and selectivity for separating CV dye from various binary dye systems. The results suggest that clay/PVA NFs are a promising adsorbent for removing CV dye from complex wastewater.
JOURNAL OF WATER PROCESS ENGINEERING
(2023)
Article
Materials Science, Multidisciplinary
Amir Ahmadi, Rauf Foroutan, Hossein Esmaeili, Seyed Jamaleddin Peighambardoust, Saeed Hemmati, Bahman Ramavandi
Summary: In this research, montmorillonite clay was magnetically modified by starch and cobalt-ferrite and used to remove dyes from water. The nanocomposite exhibited significant sorption efficiency and capacity for methyl violet and methylene blue dyes. The sorption process was found to be physical, favorable, and exothermic. The nanocomposite also showed potential in cleaning textile wastewater.
MATERIALS CHEMISTRY AND PHYSICS
(2022)
Article
Polymer Science
Mina Seidy Esfahlan, Elnaz Khodapanah, Seyyed Alireza Tabatabaei-Nezhad, Mehdi Salami-Kalajahi
Summary: A new method for synthesizing PPG with nanogels inside them at high temperature and high salinity conditions was introduced in this study. The new PPG showed higher water absorbance capacity and swelling rate compared to ordinary PPG, making it suitable for deep reservoir conformance control.
Article
Chemistry, Applied
Somayeh Hasani, Zahra Mohamadnia, Foad Kazemi
Summary: A novel cationic polyelectrolyte microbeads were prepared for the removal of CBB and MO dyes from wastewater, showing good removal efficiency at pH 5-6, with maximum adsorption capacities of 145 and 135 mg/g for MO and CBB, respectively. Adsorption processes followed the Temkin and Langmuir isotherm models, and obeyed the quasi-second-order kinetic model.
REACTIVE & FUNCTIONAL POLYMERS
(2021)
Article
Polymer Science
Brindusa Balanuca, Cristina Ott, Celina Maria Damian, Horia Iovu, Roxana Trusca, Raluca Stan
Summary: In this study, bicomponent polymeric architectures were fabricated through visible-light polymerization using methacrylated and PEGylated high oleic sunflower oil (HO-SFO) monomers and compatible polyethylene glycol dimethacrylate (PEG-DMA). The amount of PEG-DMA and PEG units grafted on the HO-SFO backbone directly influenced the key properties of the oil-based polymers, affecting crystallinity degree and PBS absorption capacity. PEG chains acted as mediators for hydrophobic and hydrophilic components, impacting system mobility and network arrangement, leading to higher PBS absorption.
POLYMERS FOR ADVANCED TECHNOLOGIES
(2021)
Article
Chemistry, Inorganic & Nuclear
Hai-Yan Zhang, Lei Liu, Hai-Jun Wang, Jing-Wen Sun
Summary: A new coordination polymeric chain modified polyoxometalate has been successfully synthesized, showing high selectivity in adsorbing dyes and extending from a 2D to a 3D structure. The process of adsorption of cationic organic dyes is highly related to the sizes of the dyes.
JOURNAL OF SOLID STATE CHEMISTRY
(2021)
Article
Engineering, Environmental
Rania M. Eltabey, Fatma T. Abdelwahed, Mohamed M. Eldefrawy, Mohamed M. Elnagar
Summary: In this study, poly(maleic acid)-grafted cross-linked chitosan/montmorillonite composite nanospheres (PMAL-CTS/MMT) were synthesized for efficient adsorption of organic dyes. The high adsorption capacity of PMAL-CTS/MMT towards both anionic and cationic dyes can be attributed to the presence of abundant functional groups. The surface charges of PMAL-CTS/MMT can be modulated by adjusting the solution pH, resulting in enhanced affinity towards different types of dyes. The proposed adsorption mechanism involves electrostatic interaction, pi - pi interactions, and hydrogen bonding. Additionally, PMAL-CTS/MMT was successfully utilized for the separation of dyes from real-life aquatic environments.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Wafa A. Bawazir, Maymoona A. Al-Mahmood, Rawan S. Almalki, Ghadi F. Alofi, Raghad S. Alharbi, Zoya Zaheer
Summary: This study investigates the interaction between sulfathiazole and three types of surfactants using UV-visible spectroscopy and conductivity measurements. The results show that the critical micelle concentration of cationic and anionic surfactants decreases with increasing sulfathiazole concentration, while the interaction with non-ionic surfactant is weak.
ARABIAN JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Musaad K. Aleid, Khalid N. Alharbi, Mona A. Aljufareen, Areej S. Aloliwi, Alhanouf K. Almutairi, Rahaf S. Alsaif, Nada K. Alshayeb, Mohammed S. Almoiqli
Summary: This study assessed the levels of trihalomethane compounds in the water network of Riyadh city and identified the factors influencing their formation. The concentrations of trihalomethane compounds were within the permissible limits, indicating the water's safety for human consumption. The presence of bromide ions, organic carbon, free chlorine, and pH values were found to affect trihalomethane formation.
ARABIAN JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Said Arhzaf, Jamal Houssaini, Mohammed Naciri Bennani, Marwa Alaqarbeh, Mohammed Bouachrine
Summary: The study shows that Mg-Al hydrotalcite catalysts intercalated with acetate and carbonate anions exhibit superior catalytic activity in the aldol condensation reaction between furfural and acetone. The optimal reaction conditions are at 90 degrees C for 2 hours, achieving conversion rates of over 98% with high selectivity towards F2A for the acetate catalyst.
ARABIAN JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Uyen-Chi Nguyen Le, Ngoc Xuan Dat Mai, Kieu-Minh Le, Hoang Anh Vu, Huynh-Nhu Thi Tran, Tan Le Hoang Doan
Summary: This study aimed to enhance the bioavailability of rosmarinic acid, a bioactive compound with high anticancer activity, by encapsulating it in tetrasulfide-based porous organosilica nanoparticles. The synthesized nanoparticles were small in size and had a high surface area and an average pore diameter. The nanoparticles showed effective accumulation in cancer cells without toxicity to normal cells. Treatment with rosmarinic acid-containing nanoparticles resulted in significant cell death in cancer cells. Overall, these findings suggest that the synthesized nanoparticles can enhance the pharmacological effects of rosmarinic acid.
ARABIAN JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Jiamin Qi, Hengxi Zhu, Tianyu Yang, Xingyuan Wang, Zixuan Wang, Xiaoli Lei, Bin Li, Wenmin Qian
Summary: This study synthesized a novel iron-biochar adsorbent using the iron content in red mud to remove heavy metals from wastewater. The adsorbent showed excellent removal efficiency and sustainability. This method addresses both industrial waste recovery and heavy metal adsorption issues.
ARABIAN JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Bo Yi, Li Zhang, Haiyang Zhou
Summary: Plasma protein binding plays a crucial role in the pharmacokinetics and pharmacodynamics of therapeutic bioactive materials. In this study, the interaction of nordentatin, a member of coumarins, with human alpha-1 acid glycoprotein (AGP) was investigated, and the anticancer potency of nordentatin against human colorectal cancer cells was evaluated. The results showed that nordentatin binds to AGP through a static quenching mechanism and exhibits inhibitory effects on the growth of HCT-116 cells by increasing intracellular ROS and [Ca2+] levels and triggering apoptosis-related gene overexpression. Therefore, nordentatin could be a promising plant-based therapy for colorectal cancer.
ARABIAN JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Qiming Pang, Cui Wang, Bangtao Li, Suli Zhang, Jiaoyang Li, Shuo Gu, Xueyu Shi
Summary: This study evaluated the effects of resveratrol loaded in copolymer nanoparticles on cerebral ischemia/reperfusion (I/R) injury in rats. The results showed that RES.CP.NPs could have neuroprotective effects through their antioxidant and anti-inflammatory activities, leading to improved neurological disability scores and decreased oxidative stress levels.
ARABIAN JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Maryam Rachmawati Sumitra, Lung-Ching Chen, Wei-Chen Tsai, Muhamad Ansar, Bashir Lawal, Ntlotlang Mokgautsi, Jih-Hwa Guh, Alexander T. H. Wu, Hsu-Shan Huang
Summary: Tetraheterocyclic compounds derived from natural sources and contemporary pharmaceuticals have shown promise as multitarget therapeutic agents. In this study, a series of synthesized compounds were evaluated for their potential in breast cancer treatment. Compounds 18 and 20 demonstrated significant antiproliferative activity against breast cancer cell lines and their mode of action was revealed through molecular docking simulations.
ARABIAN JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Mohammad Khosravani, Mohsen Dehghani Ghanatghestani, Farid Moeinpour, Hossein Parvaresh
Summary: The aim of removing Pb(II) from water is to minimize the potential harm posed by toxic metals to both human health and the environment. A covalent organic framework adsorbent called TFPOTDB-SO3H was developed with excellent properties such as high repeatability, selectivity, and easy solid-liquid separation. The adsorbent showed impressive capability of adsorbing Pb(II) and effective removal of it from a solution with various ions, suggesting its potential for effectively adsorbing and removing Pb(II) heavy metal ions from wastewater.
ARABIAN JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Ashraf H. Farha, Mohamed S. Shams, Hasna A. Alali, Zakia H. Alhashem, Shehab A. Mansour, Shrouq H. Aleithan, Ragab A. Elsad
Summary: The current study examines the dielectric and thermal properties of transformer oil incorporated with Mn0.5 Zn0.5 Fe2O4 nanoparticles. The results show that the addition of Mn-Zn ferrite NPs improves the dielectric constant, dissipation factor, AC breakdown voltage, and convective heat transfer of the nanofluid.
ARABIAN JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Limin Hou, Zongpei Jiang, Minqi Ye, Xueyan Sun, Kexin Liu, Yifan Zhu, Xiaoyu Wang, Liangzhu Chen, Ruiheng Gu, Binghu Fang
Summary: The excessive accumulation of antibiotic residue in animal-derived foods poses a threat to health. Therefore, it is necessary to establish a rapid, simple, effective, safe, and highly sensitive method for detecting lincomycin residues. By using a pre-column derivatization method on high-performance liquid chromatography equipped with ultraviolet, the UV absorption of lincomycin is improved, allowing for detection and quantification.
ARABIAN JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Kun Tang, Xin-Xin Wang, Jin-Jin Zhao, Ning Ren, Jian-Jun Zhang
Summary: This study reports the synthesis, crystal structures, and thermal degradation properties of three new rare earth coordination compounds. Compounds 1-3 exhibit binuclear structures which can form chain-like structures via hydrogen bonding. Compound 2 shows potential application value in the orange-red luminescence region.
ARABIAN JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Seoyoun Yang, Eunbi Yu, See-Hyoung Park, Sae Woong Oh, Kitae Kwon, Su Bin Han, Soo Hyun Kang, Jung Hyun Lee, Heejun Ha, Minkyung Song, Jae Youl Cho, Jongsung Lee
Summary: This study investigated the effects of blue light on the hypodermis and found that it has antiadipogenic properties by reducing lipid accumulation and downregulating the expression of adipogenic genes. Blue light also increased the phosphorylation of PPAR gamma and TRPV1, suggesting its anti-adipogenic effect through these signaling pathways.
ARABIAN JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Abdul Nasir, Abdul Waheed Khan, Hamid Rafiq Khattak, Abdus Samad, Sami Ullah, Haroon Khan, Muhammad Faheem, Qian Bai
Summary: This study evaluated the effects of isoxazolone derivatives on cisplatin-induced neuropathy in a rat model. The results showed that isoxazolone derivatives effectively reversed mechanical allodynia, similar to the known therapeutic agent pregabalin. Molecular docking analysis indicated that isoxazolone derivatives have strong binding affinity for relevant receptors and potential inhibitory activity against relevant signaling pathways. This study has innovative implications for the treatment of cisplatin-induced neuropathic pain.
ARABIAN JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Shahid Wahab, Haroon Muhammad Ali, Maham Khan, Tariq Khan, Chandran Krishnaraj, Soon-Il Yun
Summary: In this study, we synthesized chitosan nanoparticles, silver nanoparticles, and chitosan/silver nanocomposites using aqueous ginger extract as a green approach. These nanomaterials showed significant antibacterial properties and low toxicity. Furthermore, the nanomaterials conjugated with tobramycin demonstrated enhanced antibacterial efficacy and exhibited interactions with Pseudomonas aeruginosa.
ARABIAN JOURNAL OF CHEMISTRY
(2024)
