Review
Chemistry, Analytical
Roberta C. Assis, Aparecida B. Mageste, Leandro R. de Lemos, Ricardo M. Orlando, Guilherme D. Rodrigues
Summary: This review discusses how aqueous two-phase systems (ATPS) can efficiently extract, pre-concentrate, and clean-up analytes in aqueous samples to determine compounds classified as emerging contaminants (ECs). ATPS is an alternative to conventional liquid-liquid extraction techniques, predominantly composed of water and based on the principles of green chemistry. This simple and low environmental impact technique has been successfully employed for the analysis of different classes of emerging contaminants.
Article
Acoustics
Jiaqi Tan, Pengshan Cui, Shaoqin Ge, Xu Cai, Qian Li, Hongkun Xue
Summary: Polysaccharides were extracted from Cornus officinalis fruit using ultrasound assisted aqueous two-phase extraction. The extraction process was optimized using response surface methodology and artificial neural network. The extracted polysaccharides were further purified and characterized. This study provides a feasible method for efficient extraction and purification of polysaccharides from plant resources.
ULTRASONICS SONOCHEMISTRY
(2022)
Article
Environmental Sciences
Zhijie Shang, Pan Xu, Haoyu Yue, Dongyue Feng, Taohua Zhu, Xinxue Li
Summary: This study proposed a method for the remediation of diesel-contaminated soil (DCS) using alkoxyethanol aqueous two-phase extraction (ATPE), with high efficiency in removing diesel and high reusability. The process hardly caused residual organic solvents on the soil surface, and the soil structure and properties remained relatively unchanged after remediation.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Agronomy
Lulum Leliana, Widiastuti Setyaningsih, Miguel Palma, Supriyadi, Umar Santoso
Summary: This study assessed the functionality of coconut by-products at early and mature stages and found that extracts from young coconut mesocarp exhibited high antioxidant activity, making them a potential alternative natural antioxidant.
Article
Engineering, Chemical
Marko Bozinovic, Renata Vicevic, Nikolina Zekic, Anita Salic, Ana Jurinjak Tusek, Bruno Zelic
Summary: The extraction of xylanase was performed using an aqueous two-phase system (ATPS) based on polyethylene glycol (PEG1540) and various salts. The highest extraction efficiency, E = 79.63 +/- 5.21%, and purification factor, PF = 1.26 +/- 0.25, were obtained with sodium citrate dihydrate-H2O-PEG1540-based ATPS for an extraction time of 10 min. The extraction process was optimized using experimental design and continuous microextractor, achieving a high extraction efficiency (E = 99.59 +/- 1.22%) and purification factor (PF = 6.61 +/- 0.07%) for xylanase.
Article
Food Science & Technology
Maria del Mar Contreras, Irene Gomez-Cruz, Inmaculada Romero, Eulogio Castro
Summary: The study found that extracted olive pomace and residual pulp from olive pit cleaning have high antioxidant content, with even higher levels in the extracted olive pomace. Ultrasound-assisted extraction was effective in recovering antioxidants from biomasses, resulting in different phenolic compounds depending on the biomass.
Article
Chemistry, Physical
Helin Xu, Xueqin Li, Yanyan Hao, Xiaobin Zhao, Yun Cheng, Jinli Zhang
Summary: In this study, efficient separation of acteoside from crude extracts of Cistanche tubulosa was achieved using an ionic liquid-based aqueous two-phase system. The combination of [C4mim]BF4 and (NH4)2SO4 showed excellent extraction performance for acteoside, providing valuable insights for future applications.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Agricultural Engineering
Elif Meltem Iscimen, Mehmet Hayta
Summary: The study explored the use of MA-ATPS for extracting phenolic compounds from pulses, with the extracts showing high extraction yield and antioxidant activity. The phenolic extracts were encapsulated and characterized, with the potential for being used as alternative ingredients in functional formulations within the food industry. The results suggest that MA-ATPS is an efficient and environmentally-friendly method for extracting phenolic compounds.
INDUSTRIAL CROPS AND PRODUCTS
(2021)
Article
Chemistry, Physical
Maximilian Wessner, Bettina Bommarius, Christoph Brandenbusch, Andreas S. Bommarius
Summary: Enzymes used as biocatalysts have become competitive with classical chemical catalysts in green processes, and aqueous two-phase extraction has been shown as a promising and sustainable alternative for purification. A new method for ATPS design has been demonstrated to rapidly select tailor-made ATPS, outperforming traditional trial-and-error screening approaches.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Agricultural Engineering
Jinxia Hu, Jianfei Liu, Xinyi Huang, Duolong Di, Dong Pei
Summary: An effective method using tissue-smashing extraction assisted aqueous two-phase system (TSE-ATPS) was developed for extracting Lycium barbarum L. fruits polysaccharides (LBPs). TSE-ATPS ((NH4)2SO4/ethanol) showed higher extraction yield compared to hot water extraction (HWE) and ultrasound-assisted extraction (UAE). LBPs extracted using different methods exhibited diverse chemical structures and monosaccharide compositions. Superior antioxidant activity was observed when ATPS was composed of K2HPO4/ethanol and NaH2PO4/ethanol.
INDUSTRIAL CROPS AND PRODUCTS
(2022)
Article
Engineering, Chemical
Hao Li, Liangdong Zhao, Shuo Yin, Chuanyu Chen, Haixiong Liu, Jing Fang
Summary: This study highlights the importance of a salt-free extraction system, with the K4P2O7/isopropanol aqueous phase system identified as the optimal choice for biofuel recovery.
Article
Chemistry, Physical
Jaran Patchimpet, Kanokphorn Sangkharak, Apiluck Eiad-ua, Sappasith Klomklao
Summary: The study investigated the recovery and partitioning of lipase from Nile tilapia viscera using a T-ATPS system, achieving high yield and partial purification of lipase by optimizing different partitioning parameters and conditions. Ultrasound was found to enhance the activity of lipase, demonstrating its potential as a technology for lipase recovery.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Chemistry, Physical
Jaehyoung Ko, Daeun Kim, Giho Sim, Se Youn Moon, Sang Seok Lee, Se Gyu Jang, Seokhoon Ahn, Sung Gap Im, Yongho Joo
Summary: Boron nitride nanotube (BNNT) has attracted attention due to its exceptional material properties, but practical implementation has been difficult due to purity issues. In this study, a scalable purification method for BNNT was developed using aqueous polymer two-phase extraction, achieving a high purity level of >98%. The method was successfully scaled up and the purified BNNT exhibited liquid crystal behavior. This large-scale purification effort is expected to contribute to the macroscopic realization of BNNT's exceptional properties in the future.
Article
Chemistry, Physical
Xiaoxing Lu, Zhizhuo Lu, Rong Zhang, Lijiang Zhao, Hujun Xie
Summary: This study investigates the phase behaviors and pigment extraction performance of ionic liquid-based aqueous two-phase systems formed by piperazinium ILs and anionic surfactants, showing a preference for curcumin separation. Factors influencing extraction efficiency and distribution coefficients, as well as the separation mechanism, were evaluated.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Green & Sustainable Science & Technology
Ying Huang, Diyun Chen, Shuqi Chen, Minhua Su, Yongheng Chen, Yixiong Pang, Gutha Yuvaraja
Summary: A novel extraction process was developed to separate Tl and U efficiently in an ATPS, with various factors studied for their effects on the separation process. The results showed high extraction rates and separation factors for both Tl and U, indicating a promising method for dealing with contaminated wastewater.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Agricultural Engineering
Mirjana G. Antov, Marina B. Sciban, Jelena M. Prodanovic, Dragana V. Kukic, Vesna M. Vasic, Tatjana R. Dordevic, Maja M. Milosevic
INDUSTRIAL CROPS AND PRODUCTS
(2018)
Article
Agricultural Engineering
Tatjana Dordevic, Mirjana Antov
BIOMASS & BIOENERGY
(2018)
Article
Engineering, Chemical
Maja M. Milosevic, Marija Milanovic, Ivan Stijepovic, Vladimir V. Srdic, Mirjana G. Antov
PARTICULATE SCIENCE AND TECHNOLOGY
(2020)
Article
Engineering, Chemical
Milica N. Perovic, Zorica D. Knezevic Jugovic, Mirjana G. Antov
JOURNAL OF FOOD ENGINEERING
(2020)
Article
Environmental Sciences
M. Sciban, M. Vasic, J. Prodanovic, D. Kukic, V. Vasic, R. Omorjan, M. Antov
Summary: Experimental results showed that aqueous extracts of faba bean seeds can effectively reduce water turbidity, with concentrations of protein, phenolics, and phytic acid playing key roles in coagulation activity. Interactions between these components also significantly impact the removal of water turbidity.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY
(2021)
Article
Chemistry, Applied
Tatjana Dordevic, Maja Milosevic, Mirjana Antov
Summary: Enzymatic treatments were used to improve the anti-diabetic, antioxidant, and functional characteristics of arabinoxylan extracted from wheat chaff. The synergistic actions of enzymes were found to significantly reduce the viscosity of arabinoxylan and enhance its biological activities. This study suggests that enzymatic hydrolysis can be a useful tool for diversification and enhancement of biological activities of arabinoxylan from wheat chaff.
Article
Chemistry, Applied
Maja M. Milosevic, Mirjana G. Antov
Summary: The study demonstrated that the application of enzymes in butternut squash pectin extraction process can enhance both the yield and quality of pectin fiber, resulting in pectin molecules enriched in galacturonic acid and with higher molecular weights.
FOOD HYDROCOLLOIDS
(2022)
Article
Chemistry, Applied
Milica N. Perovic, Biljana S. Pajin, Mirjana G. Antov
Summary: Protein isolates extracted from chickpea seed by alkali after treatment with cellulase and xylanase cocktail, and individual arabinofuranosidase, showed improved functional properties and antioxidant activity. The enzymatic treatments significantly increased protein recovery and extraction efficiency, with the enzyme cocktail being more beneficial for emulsifying activity and stability. Antioxidant activity of the protein was enhanced by arabinofuranosidase and enzyme cocktail extractions.
Article
Food Science & Technology
Milica N. Perovic, Mirjana G. Antov
Summary: Protein nanoparticles from chickpea protein isolates were prepared using heat treatment and enzyme-assisted extraction methods. The use of enzymes led to improved secondary structure of the particles, and smaller particle sizes resulted in higher linoleic acid binding capacity and ABTS scavenging activity.
LWT-FOOD SCIENCE AND TECHNOLOGY
(2022)
Article
Biotechnology & Applied Microbiology
Mirjana G. Antov, Milica N. Perovic, Maja M. Milosevic
Summary: Enzymatic hydrolysis of pectin followed by ultrafiltration was used to produce fractions with potent antioxidant capacity. The pectin was isolated from waste sugar beet pulp, and hydrolysis was performed using endo-polygalacturonase. The hydrolysate was processed by ultrafiltration into four fractions of different sizes. The results showed that enzymatic hydrolysis increased the total antioxidant capacity of pectin, and all fractions had higher antioxidant capacity than pectin.
BIOPROCESS AND BIOSYSTEMS ENGINEERING
(2023)
Article
Chemistry, Multidisciplinary
Jelena M. Prodanovic, Marina B. Sciban, Dragana Kukic, Vesna M. Vasic, Nevena T. Blagojev, Mirjana G. Antov
JOURNAL OF THE SERBIAN CHEMICAL SOCIETY
(2020)
Article
Chemistry, Applied
Maja M. Milosevic, Tatjana R. Dordevic, Mirjana G. Antov
FOOD HYDROCOLLOIDS
(2020)
Article
Genetics & Heredity
Dragana Zgonjanin, Rashed Alghafri, Mirjana Antov, Danka Toljic, Reem Almheiri, Stojan Petkovic, Goran Stojiljkovic, Radenko Vukovic
FORENSIC SCIENCE INTERNATIONAL GENETICS SUPPLEMENT SERIES
(2017)
Article
Engineering, Chemical
Yunfei Yu, Xue Yang, Chenchen Zhang, Jie Chen, Wei Lin, Jianqiang Meng
Summary: This study reports an environmentally friendly and simple approach for preparing double-network (DN) ion gel membranes with high strength and excellent gas separation performance. By optimizing crosslinking density, mass ratio, and the type and content of free ionic liquid, the mechanical and gas separation properties of the DN membrane are improved.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Si-qi Jiang, Qiang Gao, Xi-guang Li, Chao-zhu Deng, Jun Qiu, Xiang-nan Zhu
Summary: A dual-strengthening pretreatment method is proposed to remove PVDF more efficiently and enhance the leaching of LiCoO2. Experimental results show that dual-strengthening pretreatment can effectively remove PVDF and significantly improve the leaching efficiency compared to single pretreatment methods.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Zengchi Hu, Xiaoyu Wang, Xiaohui Zhang, Xue Li, Jiangbin Xia
Summary: The rapid fabrication of high-performance composite membranes based on CMPs using simple and low-cost methods is challenging. In this study, three CMPs-based composite membranes were rapidly fabricated with adjustable size using unidirectional diffusion synthesis. The microstructural design enhanced the rejection rates of the membranes and they showed strong hydrolytic resistance, thermal stability, and acid-base resistance. Electrostatic adsorption and the adjustable microstructures significantly varied the repellence of the membranes to different charged molecules.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Farzaneh Rouhani, Matineh Ayedi, Nasser Safari
Summary: Introducing defects into porous metal-organic frameworks is important for improving their adsorption performance. Quasi-MOFs, an underutilized variant of large-scale, fundamentally deficient MOFs, have been found to have substantial amounts of unsaturated metal sites to offset the drawbacks of MOFs. In this study, a quasi-MOF was produced using a water-stable MOF and demonstrated significantly improved phosphate adsorption capability due to the presence of defect sites.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Valentin Reungoat, Morad Chadni, Louis M. M. Mouterde, Fanny Brunissen, Florent Allais, Helene Ducatel, Irina Ioannou
Summary: This study focuses on the recovery of sinapic acid using liquid-liquid extraction assisted by a hollow fiber membrane contactor from an aqueous feed obtained through the hydrolysis of mustard bran. The screening of solvents of different chemical nature showed that all tested solvents had an extraction efficiency of more than 80% for pH < 5. Four solvents were selected for use in the hollow fiber membrane contactor, and the volatile solvents showed higher mass transfer coefficients compared to non-volatile solvents. The extraction efficiency was intensified by increasing the initial concentration of sinapic acid and the feed-to-solvent ratio. CPME was found to have optimal recovery efficiency at a phase ratio of 8:1, yielding 0.9 g of sinapic acid per liter of CPME used.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Takahiro Sakamoto, Takafumi Hanada, Hayate Sato, Mayu Kamisono, Masahiro Goto
Summary: The emergence of the battery society has led to a high demand for battery metals, resulting in a strain on their supply. This study introduces a novel technique using a hydrophobic deep eutectic solvent (DES) for leaching and recovering battery metals from low-grade nickel laterite ores. The DES enables selective leaching and recovery of the metals, offering a promising pathway for the extraction of critical battery metals.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Rongrong He, Jiarui Chen, Chunyao Zhang, Dan Lu, Lin Zhang, Tao He
Summary: Researcher has developed a method to quantify the charge density in nanofiltration (NF) membrane separation layer and applied it in NF membranes that can separate Mg2+ and Li+. The results showed that overcompensated amine groups played a major role, and there was a linear relationship between charge density and coating bi-layers or PAH layers.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Zhijian Zhang, Min Chen, Zhe Lin, Zhichao Yang, Yafeng Du, Zhihui Chen, Zhenhao Yang, Kongyin Zhao, Ligang Lin
Summary: Membrane technology plays an important role in molecular/ion separation processes, but faces challenges such as membrane fouling. This study introduces a new ion-crosslinking method to fabricate copper alginate hydrogel membranes with improved mechanical strength and antimicrobial capabilities. The membranes exhibit excellent separation performance and enhanced long-term molecule/ion separation through improved anti-swelling properties. Molecular dynamics simulations and life cycle analysis highlight the pore structure and environmental friendliness of the hydrogel membranes. These findings provide valuable insights for developing sustainable hydrogel membranes with stable performance and high separation efficiency.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Dongmei Liu, Aiying Guo, Yanling Qi, Zhixin Ji, Hongjuan Li, Zhiwei Zhang, Xinyue Zhang, Kunze Wu, Aijun Cai
Summary: In this study, a stable magnetic Mg/Mn-layered double oxide-doped biochar composite (MgMnLDO-MBC) was prepared and successfully used for the removal of antibiotics and bacteria from wastewater. The composite exhibited enhanced surface areas, adsorption sites, and free radicals, leading to improved catalytic activity. The effects of different factors on the removal efficiency were evaluated, and the composite showed good reusability.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Feng Wang, Zhaoyong Bian, Yaru Zhang, Wenchao Yu, Qiang Zhang, Hui Wang
Summary: In this study, a nanofibrous layered structure of Ff-Ti3C2Tx-Co3O4 was prepared by self-assembling nanofibrous Co3O4 with lamellar fluorine-free MXene (Ff-Ti3C2Tx). The Ff-Ti3C2Tx-Co3O4 exhibited excellent catalytic activity for degradation, resistant to ionic interference, and maintained high removal efficiency of sulfamethoxazole (SMX) in municipal wastewater. The rapid SMX degradation involved fast electron transfer in redox cycles with PMS and the generation of 1O2 via PMS ->center dot O2 -> 1O2. This work provides new insights into antibiotic degradation mechanisms and electron transfer based on PMS activation.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Weipeng He, Jiacheng Luo, Yujie Wu, Tianhao Luo, Chen Tang
Summary: This study comparatively evaluated the role of cationic, anionic, and nonionic polyacrylamides (PAMs) in ballasted flocculation of clay suspensions under different aluminum sulfate (AS) coagulant dosages. The selection of PAMs and AS dosage had a significant influence on the size and shear resistance of ballasted floc aggregates.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Lixian Wang, Lizhi Zhao, Didi Si, Zhixin Li, Huiqin An, Hui Ye, Qingping Xin, Hong Li, Yuzhong Zhang
Summary: Metalloporphyrin-based nanozymes integrated with poly (vinylidene fluoride) membrane show high catalytic activity and reusability for the decolorization of Congo Red dye in continuous flow process.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Yongfei Ma, Chenyu Zeng, Yongzhen Ding, Jiayi Tang, Ondrej Masek, Zhikang Deng, Rui Mu, Zulin Zhang
Summary: In this study, sludge-derived biochar (SBC) was functionalized with various iron salts to enhance its adsorption ability for sulfamethoxazole (SMX) and magnetic collection performance. Ball milling was further employed to treat the optimal iron salt functionalized SBC (MSBC), resulting in ball milled SBC (BMSBC) with improved adsorption performance for SMX. The dominant driving mechanism for SMX adsorption onto BMSBC was confirmed to be multiple physicochemical forces, including 7C-7C conjugation, pore filling, H-bonding, Fe-O complexation, and electrostatic interactions. BMSBC exhibited favorable adsorption ability for SMX in actual waters and could be easily collected within 1 min due to its magnetic sensitivity.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Jinglin Tan, Xiaohui Mao, Wenjihao Hu, Hongbo Zeng
Summary: This study investigates the influence of PDMS chain architectures on surface properties and reveals that PDMS coatings with looped structures exhibit superior hydrophobicity, self-cleaning, and water sliding compared to coatings with linear structures. Additionally, both looped and linear PDMS coated stainless steel mesh/polyester fibers show efficient separation of oil/water mixture.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Wei-Liang Chen, Chih-Chia Cheng, Chien-Hsing Lu, Jem-Kun Chen
Summary: This study designs a novel sandwich-structured capacitor that reduces the absorption time of pollutants using dielectrophoresis force. By coating graphene oxide on polystyrene microspheres as adsorbents and encapsulating them within the capacitor, the adsorption rate is significantly enhanced. Additionally, frequency manipulation allows for the recycling of adsorbents and concentration of dyes, minimizing secondary pollution.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
