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Separations, Volume 12, Issue 5

2025 May - 32 articles

Cover Story: Nonylphenols (NPs) are recognized as contaminants of emerging concern due to their ability to be readily absorbed by aquatic organisms and mimic hormones, resulting in bioaccumulation and endocrine disruption. Their widespread use in industrial and consumer products has led to frequent detection of both domestic and industrial wastewater effluents. In response to their pervasive presence in aquatic environments, various technologies have been developed to remove NPs from water, including adsorption methods. This study explores the use of activated carbon encapsulated in alginate (referred to as Alg-C beads) as an eco-friendly, sustainable, and cost-effective approach for eliminating NPs from wastewater, addressing critical environmental and public health concerns associated with these pollutants. View this paper
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Articles (32)

  • Article
  • Open Access
1,808 Views
18 Pages

Development of a High-Performance Immunoaffinity Separation Technique for Rare Cell Capture

  • Dora Szerenyi,
  • Paul Stolk,
  • Jozsef Tovari,
  • Laszlo Takacs and
  • Andras Guttman

Circulating tumor cell enrichment and enumeration are advancing early detection of cancer, monitoring of therapy response, and even next-generation therapies. Efficiently capturing rare cells from complex biological fluids is essential in both diagno...

  • Article
  • Open Access
3 Citations
4,243 Views
20 Pages

MEMS-Based Micropacked Thermal Desorption GC/PID for In-Field Volatile Organic Compound Profiling from Hot Mix Asphalt

  • Stefano Dugheri,
  • Giovanni Cappelli,
  • Riccardo Gori,
  • Stefano Zampolli,
  • Niccolò Fanfani,
  • Ettore Guerriero,
  • Donato Squillaci,
  • Ilaria Rapi,
  • Lorenzo Venturini and
  • Nicola Mucci
  • + 10 authors

Background: In response to the growing demand for the real-time, in-field characterization of odorous anthropogenic emissions, this study develops and uses a MEMS-based micropacked thermal desorption Gas Chromatography system coupled with a PhotoIoni...

(This article belongs to the Section Chromatographic Separations)
  • Article
  • Open Access
1 Citations
3,800 Views
14 Pages

Nimesulide is a popular non-steroidal anti-inflammatory drug (NSAID) and a cyclooxygenase-2 inhibitor available in more than 50 countries worldwide. A rapid and simple method for nimesulide determination is presented. Experimental parameters based on...

(This article belongs to the Section Analysis of Natural Products and Pharmaceuticals)
  • Review
  • Open Access
22 Citations
5,266 Views
35 Pages

Lithium is a critical mineral resource. With the development of high-end manufacturing industry, the demand for high-performance lithium-containing chemical raw materials continues to grow. At present, lithium needs to be acquired from a large amount...

(This article belongs to the Section Separation Engineering)
  • Article
  • Open Access
3 Citations
2,299 Views
20 Pages

Precise separation and antifouling capabilities are critical for the application of membrane separation technology. In this work, we developed a multiplayer layer-by-layer assembly strategy to sequentially deposit tannic acid (TA) and lysozyme (Lys)...

(This article belongs to the Special Issue Advanced Functional Materials for Wastewater Treatment and Purification)
  • Article
  • Open Access
1 Citations
3,686 Views
13 Pages

Surface Properties of NaCl and KCl in a Potassium−Sodium-Saturated System with Low-Natrium Salt

  • Yanfang Ma,
  • Shouyan Huang,
  • Xin Liu,
  • Xujie Shi,
  • Yongsheng Du and
  • Haining Liu

With the continuous development of the potash industry in salt lakes, the preparation of low-natrium salt for the green and environmentally friendly utilization of potassium and sodium resources in salt lakes has become a research hotspot. The primar...

(This article belongs to the Special Issue Green and Efficient Separation and Extraction of Salt Lake Resources)
  • Article
  • Open Access
3 Citations
2,890 Views
20 Pages

This article presents a study on the development of amorphous aluminophosphate (Am-AlP) and silico-aluminophosphate (Am-SiAlP) materials for the removal of cadmium (Cd) from wastewater. Cadmium is a toxic heavy metal that poses significant environmen...

(This article belongs to the Special Issue Adsorption/Degradation Methods for Water and Wastewater Treatment)
  • Article
  • Open Access
1 Citations
3,326 Views
13 Pages

Sulfolane, an organic solvent widely used in the petrochemical industry, has raised concerns due to its potential health risks and environmental mobility. Toxicological studies suggest that it may negatively affect human and ecological health, highli...

(This article belongs to the Section Environmental Separations)
  • Article
  • Open Access
3 Citations
2,630 Views
19 Pages

Simulation of Water Vapor Sorption Profiles on Activated Carbons in the Context of the Nuclear Industry

  • Felipe Cabral Borges Martins,
  • Mouheb Chebbi,
  • Céline Monsanglant-Louvet,
  • Bénoit Marcillaud and
  • Audrey Roynette

Activated carbons (ACs) are employed in the nuclear industry to mitigate the emission of potential radioactive iodine species. Their retention performances towards iodine are mainly dependent on the relative humidity due to the competitive effect ind...

(This article belongs to the Section Separation Engineering)
  • Article
  • Open Access
8 Citations
3,625 Views
21 Pages

This study researches the impact of diclofenac (DCF) oxidation via UV/H2O2 on water quality, focusing on aromaticity and color changes. The process effectively degrades DCF and its intermediates through hydroxyl radical attack on the aromatic structu...

(This article belongs to the Special Issue Adsorption/Degradation Methods for Water and Wastewater Treatment)
  • Review
  • Open Access
12 Citations
3,963 Views
24 Pages

In this review, a 5-year overview on environmentally friendly approaches for the extraction of the most relevant organic pollutants in soil, sediment, particulate matter, and sewage sludge coupled with chromatographic analysis is reported. Organic co...

(This article belongs to the Special Issue Sample Preparation and Chromatographic Analysis of Environmental Samples)
  • Article
  • Open Access
3 Citations
1,413 Views
15 Pages

Talcose molybdenite resources are abundant but resource utilization is low. The floatation separation of molybdenite (MoS2) and talc is challenging due to their similar natural hydrophobicity and layered structures. This study investigates the surfac...

(This article belongs to the Section Environmental Separations)
  • Article
  • Open Access
4 Citations
4,952 Views
11 Pages

The recent detection of N-nitroso-atenolol, a mutagenic and potentially carcinogenic impurity in atenolol-based pharmaceuticals, has raised serious safety concerns and emphasized the need for stringent analytical control. This study developed and val...

(This article belongs to the Section Analysis of Natural Products and Pharmaceuticals)
  • Article
  • Open Access
5 Citations
2,713 Views
14 Pages

Sunflower Seed Oil Enriched with Compounds from the Turmeric Rhizome: Extraction, Characterization and Cell Viability

  • Késia Corsato de Oliveira Segantini,
  • Oscar de Oliveira Santos Junior,
  • Vitor Augusto Dos Santos Garcia,
  • Djéssica Tatiane Raspe and
  • Camila da Silva

The present work aimed to obtain and characterize sunflower seed oil (SO) enriched with compounds from turmeric rhizome (TR). For this purpose, the enriched oil was obtained from two strategies: extraction of the compounds from TR using SO as solvent...

(This article belongs to the Special Issue Application of Sustainable Separation Techniques in Food Processing)
  • Article
  • Open Access
2 Citations
4,033 Views
16 Pages

Many studies are being conducted on the detection of nitrosamine impurities in solid formulations. However, research on semi-solid formulations such as gels, ointments and creams is not common. In particular, excipients used to increase viscosity and...

(This article belongs to the Special Issue Analysis and Bioanalysis of Pharmaceuticals: Sample Preparation and Chromatography)
  • Article
  • Open Access
1 Citations
1,912 Views
17 Pages

Defluoridation of water was investigated in an adsorption column study using Al-Mg-Ca-coated sand (AMCCS), a ternary metal oxide adsorbent with eco-friendly components that were shown to be effective for water defluoridation, in a batch adsorption st...

  • Article
  • Open Access
3 Citations
4,503 Views
16 Pages

Repurposing Portable Gas Chromatograph–Mass Spectrometers for Detecting Volatile Organic Compound Biomarkers in Urine Headspace

  • Mark Woollam,
  • Serenidy Eckerle,
  • Eray Schulz,
  • Sahanaa Nishkaran,
  • Sara Button and
  • Mangilal Agarwal

Volatile organic compounds (VOCs) in urine headspace are potential biomarkers for different medical conditions, as canines can detect human diseases simply by smelling VOCs. Because dogs can detect disease-specific VOCs, gas chromatography–mass...

(This article belongs to the Section Chromatographic Separations)
  • Article
  • Open Access
4 Citations
1,570 Views
25 Pages

The discharge of textile effluents containing dyes poses severe environmental risks. This study aimed to develop a magnetic iron oxide–HTM (magnetite–heat-activated termite mound) composite via the coprecipitation method for the...

(This article belongs to the Section Purification Technology)
  • Article
  • Open Access
6 Citations
2,605 Views
22 Pages

Comparative Evaluation of UV-C-Activated Peroxide and Peroxydisulfate for Degradation of a Selected Herbicide

  • Jelena Mitrović,
  • Miljana Radović Vučić,
  • Miloš Kostić,
  • Milica Petrović,
  • Nena Velinov,
  • Slobodan Najdanović and
  • Aleksandar Bojić

Extensive utilization of the herbicide 2,4-dichlorophenoxyacetic acid (2,4-D) has resulted in contamination of the aquatic environment; this situation requires effective treatment technology. Ultraviolet-based advanced oxidation processes (UV-AOPs) a...

(This article belongs to the Special Issue Adsorption/Degradation Methods for Water and Wastewater Treatment)
  • Article
  • Open Access
7 Citations
3,484 Views
19 Pages

Chemical Composition, Chemometric Analysis, and Sensory Profile of Santolina chamaecyparissus L. (Asteraceae) Essential Oil: Insights from a Case Study in Serbia and Literature-Based Review

  • Biljana Lončar,
  • Mirjana Cvetković,
  • Milica Rat,
  • Jovana Stanković Jeremić,
  • Jelena Filipović,
  • Lato Pezo and
  • Milica Aćimović

The flowers of Santolina chamaecyparissus have a distinct aroma and taste, with a wide range of applications in medicine, food, and packaging. Its essential oil offers numerous health benefits, including antioxidant, hepatoprotective, anticancer, ant...

  • Article
  • Open Access
2 Citations
5,079 Views
17 Pages

In recent years, non-alcoholic beers have been gaining popularity. Among the various components that affect the flavor and sensory characteristics of beers, free fatty acids (FFAs) are minor components. However, due to their involvement in beer quali...

(This article belongs to the Section Analysis of Food and Beverages)
  • Article
  • Open Access
1 Citations
3,275 Views
19 Pages

Yinhua Pinggan Granules (YPG) is a patented traditional Chinese medicine (TCM) compound prescription, with wide clinical application against cold, cough, and relevant diseases. However, the chemical profiles of YPG in vivo are still unknown, hinderin...

(This article belongs to the Special Issue Determination and Quantification of Pharmaceuticals Using Chromatography Methods)
  • Article
  • Open Access
2 Citations
2,125 Views
14 Pages

To reinforce the cleaning agent’s wetting and cleaning capabilities on ceramic microfiltration membranes in acidic environments, the wetting properties of sodium dodecyl sulfate (SDS) in combination with multiple nonionic surfactants were exami...

  • Article
  • Open Access
6 Citations
2,544 Views
13 Pages

Tetracycline hydrochloride pollution poses a serious environmental threat; however, it is difficult to deal with by conventional methods. In this study, the Z-scheme BiOCl/Bi2WO6 composite was hydrothermally synthesized and evaluated for its ability...

(This article belongs to the Section Environmental Separations)
  • Article
  • Open Access
1 Citations
2,336 Views
15 Pages

Study of Bacterial Elution from High-Efficiency Glass Fiber Filters

  • Le Rong,
  • Yun Liang,
  • Zhaoqian Li,
  • Desheng Wang,
  • Hao Wang,
  • Lingyun Wang and
  • Min Tang

Antibacterial filter materials have been effectively utilized for controlling biological contaminants and purifying indoor air, with the market for such materials experiencing continuous expansion. Currently, textile antibacterial testing standards a...

  • Article
  • Open Access
9 Citations
4,539 Views
14 Pages

Ultrasound-Assisted Extraction of Phenolic Compounds and Flavonoids from Banana Inflorescence and Characterization of Its Fibrous Residue

  • Fábio Dias Bertoco Júnior,
  • Érica Marusa Pergo Coelho,
  • Mirian Cristina Feiten and
  • Beatriz Cervejeira Bolanho Barros

The banana inflorescence (BI) is a rich source of antioxidants and dietary fiber, making it a valuable by-product of banana harvesting. This study aimed to maximize the ultrasound-assisted extraction (UAE) of antioxidant compounds from BI and analyze...

(This article belongs to the Special Issue Application of Sustainable Separation Techniques in Food Processing)
  • Article
  • Open Access
9 Citations
5,345 Views
14 Pages

Electrochemical Precipitation of Struvite from Wastewater: A Sustainable Approach for Nitrogen Recovery

  • Rúbia Mores,
  • Anildo Cunha Junior,
  • Fabiane Goldschmidt Antes,
  • Marco Di Luccio,
  • Carolina E. Demaman Oro,
  • Marcus V. Tres,
  • Clarice Steffens,
  • Juliana Steffens,
  • Airton Kunz and
  • Rogério Marcos Dallago

This study evaluates the feasibility of nitrogen recovery from wastewater via electrochemical methods as an alternative nutrient source for agricultural applications. Ammonium nitrogen (NH4+-N) and phosphate (PO43−-P) contamination poses signif...

(This article belongs to the Special Issue Application of Sustainable Separation Techniques in Food Processing)
  • Article
  • Open Access
2 Citations
2,574 Views
17 Pages

RETRACTED: Polymer-Coated Nickel Nanoparticles for CO2 Capture in Seawater

  • Abhishek,
  • Abhishek Ratanpara,
  • Adib Mahmoodi Nasrabadi and
  • Myeongsub Kim

Carbon capture and storage (CCS) technologies are employed to mitigate global warming by removing carbon from the atmosphere. To enhance carbon capture efficiency, nanoparticles have gained considerable attention as catalysts due to their large surfa...

(This article belongs to the Special Issue Application of Advanced Materials and Technologies in the Separation and Adsorption)
  • Article
  • Open Access
1 Citations
1,426 Views
15 Pages

Enhanced Selective Separation of Pu(IV) and U(VI) Using Novel Diethylene Glycolamide Ligand

  • Xiaoyun Guo,
  • Junli Wang,
  • Yao Liu,
  • Haojun Zhao,
  • Hui Wang,
  • Wentao Wang,
  • Baole Li and
  • Taihong Yan

Developing a new efficient separation ligand based on the “CHON” principle to address the limitations of phosphorus containing extractants in nuclear fuel reprocessing can help further simplify the process flow and reduce the amount of se...

  • Technical Note
  • Open Access
1 Citations
1,446 Views
6 Pages

Optimizing Liquid Electron Ionization Interface to Boost LC-MS Instrumental Efficiency

  • Tommaso Grazioso,
  • Genny Grasselli,
  • Adriana Arigò,
  • Giorgio Famiglini and
  • Achille Cappiello

Liquid Electron Ionization (LEI) is a powerful and robust interface for the qualitative and quantitative analysis of medium-low-molecular-weight compounds, including numerous environmental pollutants and toxicological substances. Although the robustn...

  • Article
  • Open Access
3 Citations
1,310 Views
13 Pages

A Two-Dimensional Thiotitanate Ion Exchanger with High Cs+ Removal Performance

  • Chang Wei,
  • Shaoqing Jia,
  • Yingying Zhao,
  • Jiating Liu,
  • Haiyan Sun,
  • Meiling Feng and
  • Xiaoying Huang

137Cs is a persistent β/γ-emitter (t1/2 = 30.1 years) generated from 235U and 239Pu fission. It is a critical challenge to efficiently capture 137Cs+ for nuclear waste management due to its high solubility, environmental mobility, and prop...

(This article belongs to the Special Issue Separation Technology for Metal Extraction and Removal)
  • Article
  • Open Access
2,747 Views
19 Pages

Nonylphenol Removal from Water and Wastewater with Alginate-Activated Carbon Beads

  • Angelica A. Chacon,
  • Elizabeth Noriega Landa,
  • Sheng Yin,
  • Ahsan Habib,
  • Kiana L. Holbrook,
  • Luis R. Duran Bojorquez,
  • Sabur Badmos,
  • Dino Villagrán and
  • Wen-Yee Lee

In this study, eco-friendly and sustainable alginate-activated carbon (Alg-C)-based beads were synthesized and characterized for the adsorption of nonylphenols (NPs) from aqueous environments under various conditions. The surface characterization, fu...

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Separations - ISSN 2297-8739