ACS Omega最新文献

{"title":"Transient Kinetic QXAFS Approach for Understanding the RDE-MEA Gap in Fuel Cell (Oxygen Reduction Reaction) Performances of Pt-Based Electrocatalysts.","authors":"Takefumi Yoshida, Shinobu Takao, Hiroko Ariga-Miwa, Xiao Zhao, Gabor Samjeské, Takuma Kaneko, Tomoya Uruga, Yasuhiro Iwasawa","doi":"10.1021/acsomega.4c07787","DOIUrl":"https://doi.org/10.1021/acsomega.4c07787","url":null,"abstract":"<p><p>There is a large gap between the performances indicated by rotating disk electrode (RDE) results in acidic media and the actual performances obtained in membrane-electrode assemblies (MEAs) composed of the same electrocatalysts. It is unclear whether the intrinsic kinetic reactivity of the available surface Pt sites of Pt-based cathode electrocatalysts is similar or different at RDE and in MEA. To address this, we used an operando element-selective time-resolved Pt L_III-edge quick X-ray absorption fine structure (QXAFS) technique to determine transient response profiles and rate constants, <i>k</i> _d(WL), <i>k</i> _{d(CN_Pt-O)}, and <i>k</i> _{d(CN_Pt-Pt)}, corresponding to changes in the oxidation states [white line (WL) intensity] and local structures (coordination numbers of Pt-O and Pt-Pt bonds) at Pt sites for nine representative Pt-based cathode electrocatalysts under transient voltage operations, aiming to understand the oxygen reduction reaction (ORR) performance gap between RDE and MEA. For the first time, the transient kinetics and reactivity of electrocatalyst themselves in MEA, characterized by the operando QXAFS analysis technique, were systematically compared with the electrochemical activity [mass activity (<i>I</i> _mass) and surface specific activity (<i>I</i> _specific)] of the electrocatalysts in MEA and at RDE. The operando time-resolved QXAFS analysis revealed that the ORR activities of available surface Pt sites at RDEs of the electrocatalysts, including notably structured electrocatalysts (concave octahedral PtNi _<i>x</i> /C and Pt nanowire/C), were kinetically reflected at good levels of <i>k</i> _d(WL) and <i>k</i> _{d(CN_Pt-O)} in MEA performances, despite large RDE-MEA gaps observed in the electrochemically determined <i>I</i> _mass and <i>I</i> _specific. As the <i>I</i> _mass and <i>I</i> _specific of MEA increased, the relaxation time <i>k</i> _{d(CN_Pt-Pt)} ^-1, which indicates long-term durability, decreased, reflecting a dilemma in the development of remarkable Pt-based electrocatalysts, while the <i>k</i> _{d(CN_Pt-Pt)} ^-1 was almost independent of ECSA. The differences and similarities in the kinetic reactivity and durability of the Pt surface between RDE and MEA were examined using operando QXAFS transient kinetics and electrochemical performance measurements to elucidate the underlying factors contributing to the performance gap between RDE and MEA. The insights gained aim to support the development of next-generation polymer electrolyte fuel cells with enhanced performance and durability by leveraging the operando time-resolved QXAFS technique under the transient kinetic-response operation.</p>","PeriodicalId":22,"journal":{"name":"ACS Omega","volume":"10 1","pages":"796-808"},"PeriodicalIF":3.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11739974/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142996191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Obtaining Microcellulose from Solid Agro-Waste by Ball Mill Assisted by Light Acid Hydrolysis Process.","authors":"Priscila S Souza, Cristiani V B Grisi, Érica C Monção, Marcus V S da Silva, Antonia L de Souza","doi":"10.1021/acsomega.4c07196","DOIUrl":"https://doi.org/10.1021/acsomega.4c07196","url":null,"abstract":"<p><p>Cellulose, the most abundant biopolymer on Earth, is biodegradable, nontoxic, and derived from renewable sources. Its properties and applications depend on the extraction methods and sources, making plant waste reuse a sustainable production option. This study aimed to assess the potential of cowpea pod skin (<i>Vigna unguiculata</i>) as a source of microcellulose (CPMC) using a chemical-mechanical process involving ball milling combined with acid hydrolysis. For a comparative analysis of the method's efficiency and biomass performance, corn straw (<i>Zea mays</i> L., CSMC) and pineapple peel (<i>Ananas comosus</i>, PPMC) were also utilized as extraction sources. The chemical composition of microcelluloses (MCs) was investigated by Fourier Transform Infrared Spectroscopy (FTIR), thermal behavior by Thermogravimetric Analysis (TGA), crystallinity by X-ray Diffraction (XRD), morphologies by Scanning Electron Microscopy (SEM), and shape and size by Atomic Force Microscopy (AFM). In the FTIR spectra, absorption bands characteristic of cellulose were observed at 3408 cm^-1 (hydroxyl group OH stretching), 1640 cm^-1 (adsorbed water molecules), 1205 cm^-1 (O-H deformation vibration), 1165 cm^-1 (C-O-C- stretching vibration), 1113 cm^-1 (glucose ring stretching vibration), 1055 cm^-1 (CO stretching), 1028 cm^-1 (C-OH stretching), and 895 cm^-1 (β-glycosidic bonds). The TGA/DTG curves of all the samples showed three stages of mass loss, and CPMC proved to be the sample with the greatest thermal stability. The crystallinity indices of the MCs samples ranged between 69.23-75%. The micrographs show compact and lamellar materials. However, AFM measurements revealed distinct nanostructures for each of the MCs obtained, displaying lamellar structures from 20 to 280 nm. Therefore, this method was efficient for extracting MCs from different types of biomass. The analyses demonstrated greater efficiency in the CPMC and CSMC samples. In this context, they have become promising candidates for application in a wide range of industrial materials.</p>","PeriodicalId":22,"journal":{"name":"ACS Omega","volume":"10 1","pages":"588-598"},"PeriodicalIF":3.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11740134/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142996269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Synthesis of Bovine Serum Albumin-Coated Magnetic Single-Walled Carbon Nanotubes as a Delivery System for Mitoxantrone.","authors":"Buğçe Aydın, Serdar Bozoğlu, Nilgün Karatepe, F Seniha Güner","doi":"10.1021/acsomega.3c09608","DOIUrl":"https://doi.org/10.1021/acsomega.3c09608","url":null,"abstract":"<p><p>In this study, a bovine serum albumin (BSA)-coated magnetic single-walled carbon nanotube (mCNT) was synthesized using covalent functionalization. Mitoxantrone (MTO) was chosen as a model drug, and loading/release profiles of mCNTs were evaluated. To synthesize BSA-coated mCNT, 1-ethyl-3-(3-(dimethylamino)propyl) carbodiimide and <i>N</i>-hydroxysuccinimide were used as cross-linking agents. The success of the functionalization process was demonstrated through various analysis techniques such as Fourier transform infrared spectroscopy, Raman spectroscopy, thermogravimetric analysis, X-ray photoelectron spectroscopy, vibrating sample magnetometer, and scanning electron microscopy. The saturation magnetization of mCNT-BSA was 15.6 emu/g, indicating its potential for magnetically targeted drug delivery systems. Finally, MTO was physically loaded on the BSA-coated mCNT (mCNT-BSA) and the results were compared to those of mCNT. mCNT-BSA showed less drug loading capacity but more release response than mCNT. Considering drug release and cytotoxicity test results, MTO-loaded mCNT-BSA nanoparticles have great potential for cancer treatment.</p>","PeriodicalId":22,"journal":{"name":"ACS Omega","volume":"10 1","pages":"102-113"},"PeriodicalIF":3.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11740624/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142996096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analytical and Applied Copyrolysis of <i>Mesua ferrea</i> L. and Polyethyelene Terephthalate Plastic for Hydrocarbon-Rich Bio-oil.","authors":"Janaki Komandur, Ravikrishnan Vinu, Kaustubha Mohanty","doi":"10.1021/acsomega.4c07019","DOIUrl":"https://doi.org/10.1021/acsomega.4c07019","url":null,"abstract":"<p><p>The current investigation focuses on the copyrolysis of <i>Mesua ferrea</i> L. (a nonedible oilseed, also known as Nahar) and polyethyelene terephthalate (PET) plastic waste to gain insights into the composition of pyrolysates and the thermal decomposition of complex and mixed feedstocks. The physicochemical properties of the feedstocks were studied through thermogravimetric analysis at a heating rate of 15 °C min^-1, bomb calorimetry, and proximate/ultimate analysis. The proximate analysis revealed that both biomass and PET had relatively low moisture contents (3.33 and 0.61%, respectively) and high volatile matter (88% for biomass and 94.53% for PET). The pyrolysate composition studies using analytical pyrolysis coupled with a gas chromatograph/mass spectrometer revealed significant generation of fatty acids (∼79%) from Nahar and benzoic acid (24%) and acetylbenzoic acid (15.5%) from PET at 590 °C. The analytical pyrolysis of feedstock mixtures at biomass:PET (B:P) of 1:1, 2:1, and 1:2 w/w revealed the dominance of both aliphatic and carboxylic acids. Further, fixed-bed copyrolysis experiments were performed using Nahar, PET, and its mixtures in a temperature range of 550-650 °C at 15 °C min^-1 heating rate. The optimal temperature of 600 °C was chosen for both biomass and copyrolysis (2:1 feed ratio) due to the high yield of pyrolytic liquid (27 wt % for biomass alone; 35 wt % for copyrolysis). The produced bio-oil was thoroughly characterized, and it was found that fatty acids and carboxylic acids such as <i>n</i>-hexadecanoic acid, octadecenoic acid, octadecanoic acid, and benzoic acid were found in a significant proportion. The mechanism of copyrolysis vapors was studied by analyzing the pyrolysates obtained at different operating conditions. Decarboxylation and decarbonylation fatty acid species were found to be typical pathways for the formation of hydrocrabons like hexadecane, pentadecane, heptadecane, and heptadecene.</p>","PeriodicalId":22,"journal":{"name":"ACS Omega","volume":"10 1","pages":"529-540"},"PeriodicalIF":3.7,"publicationDate":"2024-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11739962/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142995972","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Modification-specific Proteomic Analysis Reveals Cysteine S-Palmitoylation Involved in Esophageal Cancer Cell Radiation.","authors":"Qingtao Ni, Chi Pan, Gaohua Han","doi":"10.1021/acsomega.4c09353","DOIUrl":"https://doi.org/10.1021/acsomega.4c09353","url":null,"abstract":"<p><p>This study aimed to investigate the effects of radiation (RT) on protein and protein S-palmitoylation levels in esophageal cancer (EC) cell lines. EC cells (<i>N</i> = 6) were randomly divided into RT and negative control. The results revealed that 592 proteins were identified in the RT group, including 326 upregulation proteins and 266 downregulation proteins. These differentially expressed proteins were involved in cellular biological processes. S-palmitoylation sequencing analysis revealed that 830 and 899 S-palmitoylation cysteine sites were upregulated and downregulated, respectively. Differential S-palmitoylation proteins were primarily found in cellular processes, anatomical entities, and binding activities. Kyoto encyclopedia of genes and genomes (KEGG) pathway and protein-protein interaction analysis revealed that differential S-palmitoylation proteins are involved in proteoglycans in cancer, shigellosis, EGFR tyrosine kinase inhibitor resistance, nucleocytoplasmic transport, and mineral absorption. In conclusion, this study demonstrated that RT significantly affects protein expression and S-palmitoylation levels in EC cell lines, which has implications for cancer biology-related cellular processes and pathways. These findings enhance understanding of the molecular mechanisms underlying the response of EC cells to RT treatment.</p>","PeriodicalId":22,"journal":{"name":"ACS Omega","volume":"10 1","pages":"1541-1550"},"PeriodicalIF":3.7,"publicationDate":"2024-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11740626/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142996215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Biodegradation Study of Used Engine Oil by Free and Immobilized Cells of the <i>Pseudomonas oleovorans</i> Strain NMA and Their Growth Kinetics.","authors":"Nimra Nisar, Anum Fareed, Syed Tatheer Alam Naqvi, Bibi Saima Zeb, Bilal Ahmad Zafar Amin, Ghazal Khurshid, Habiba Zaffar","doi":"10.1021/acsomega.4c06964","DOIUrl":"https://doi.org/10.1021/acsomega.4c06964","url":null,"abstract":"<p><p>Used engine oil is considered to be one of the high-risk pollutants, and if introduced untreated in the environment, it threatens the whole ecosystem. Therefore, there is a need to find some rapid and efficient methods for the remediation of used engine oil. The present study aimed to isolate indigenous bacterial strains having the capability to degrade used engine oil. The enrichment technique was employed for the isolation of bacterial strains, which were identified by the 16S rRNA technique. As biosurfactants play a vital role in the degradation process, the activity was determined by standard protocols. The bacterial strain was isolated by the enrichment technique and identified as the <i>Pseudomonas oleovorans</i> strain NMA. The bacterial isolate has the ability to utilize used engine oil as the sole source of energy. The biodegradation experiment revealed that both free and immobilized cells degrade used engine oil, but immobilized cells showed the best biodegradation result, with 98-99% degradation efficiency in 7 days of incubation irrespective of all oil concentrations. For the analysis of degraded products, gas chromatography-mass spectrometry (GC-MS) was performed, which indicates that the treated samples do not carry the major engine components, i.e., methyl hexane, pyrene, and phytane, which confirmed that these were transformed by the bacterial activity. Monod kinetics further confirmed that the isolated bacterium utilizes used engine oil as the sole source of energy. These findings clearly indicate the potential of the bacterium NMA to degrade used engine oil with high kinetics, converting it into nontoxic products, and thus be a potential candidate for remediation at contaminated sites.</p>","PeriodicalId":22,"journal":{"name":"ACS Omega","volume":"10 1","pages":"541-549"},"PeriodicalIF":3.7,"publicationDate":"2024-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11740249/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142996019","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Travertine Mineralogical Characteristics and Spatial Distribution in Huanglong, China, a World Natural Heritage: Derived from Late Pleistocene to Early Holocene Glacial U-Shaped Valley Carbonate Deposits.","authors":"Wenhao Gao, Xinze Liu, Weizhen Zhang, Dong Sun, Zhilin Chen, Qingming Zhang, Zhipeng Zhang, Shupu Liu, Jianxing Dong, Shikuan Wang, Jing Zhang, Hao Xu, Wanting Zhang, Jie Zheng","doi":"10.1021/acsomega.4c08897","DOIUrl":"https://doi.org/10.1021/acsomega.4c08897","url":null,"abstract":"<p><p>In the long and complex process of geological evolution, the rise of the Himalayan movement and the strong Quaternary glacial movement 400,000 years ago have shaped the highly distinctive travertine landform landscape of Huanglong, China. The overflow of karst water in the high travertine layer has formed magnificent waterfalls and wonderful karst caves as well as the world's largest open-air travertine beaches and pools. The unique travertine landscape has entered the public's vision. The travertine landscape composed of rare geological relics such as pools, terraces, beaches, waterfalls, and karst caves is like a gorgeous garland on the eastern edge of the Qinghai-Tibet Plateau, playing a pivotal role in China and even the world. The mineralogical characteristics and development level of Huanglong travertine were studied by means of hydrogeological survey, UAV aerial survey, and rock and mineral analysis. The length of Huanglong Trench is 3.6 km, with an average thickness of 17.8 m, and the thickest part is 31.9 m at the front of Pengjing pool. Due to the strong alteration of superficial plants, the main vertical structure is diversified, with porous travertine, dense travertine, and detritus travertine. Huanglong travertine was born in the late Pleistocene to early Holocene of the Quaternary. The deep carbonate rocks were deposited on the surface through a water cycle. The mineral composition is mainly calcite, and the purity of CaCO₃ is generally over 95%. The research results have initially revealed the mineralogy characteristics and landscape spatial distribution of travertine in Huanglong World Natural Heritage.</p>","PeriodicalId":22,"journal":{"name":"ACS Omega","volume":"10 1","pages":"1331-1343"},"PeriodicalIF":3.7,"publicationDate":"2024-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11740142/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142996199","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"p-Type Sensing of DNA Nucleobases Adsorbed on Graphene Nanoribbon.","authors":"Tianhao Lian, Anthony Iloanya, Srihari Kastuar, Benjamin O Tayo, Chinedu Ekuma","doi":"10.1021/acsomega.4c08550","DOIUrl":"https://doi.org/10.1021/acsomega.4c08550","url":null,"abstract":"<p><p>DNA nucleobases are important in DNA sequencing, disease testing linked to genes, and disease treatment. Here, we report density functional calculations investigating the adsorption of guanine (G), adenine (A), thymine (T), and cytosine (C) on armchair graphene nanoribbons (AGNR) - a gapped semiconductor. Their adsorption energies, charge transfer, work function, and electrical properties were calculated. The adsorption strength and charge transfer demonstrate a physisorption mechanism for the nucleobases on AGNR. The adsorption strength between -0.58 and -0.73 eV has a hierarchy of . Although the energy gap remained unchanged, the variations in the density of states of the nucleobases correspond with the concentration of electronegative atoms present in the nucleobases. The sensitivity of AGNR to the nucleobases is differentiated by the degree of hybridization of the <i>p</i>-orbitals shown in the density of states. The changes in the work function illustrate a p-type sensing mechanism that correlates with the charge transfer mechanism from the substrate to the nucleobases. Our findings emphasize the capability of AGNR as a real-time sensor for DNA nucleobases owing to the physisorption mechanism and small recovery time of the AGNR to its baseline state after every detection event.</p>","PeriodicalId":22,"journal":{"name":"ACS Omega","volume":"10 1","pages":"1094-1099"},"PeriodicalIF":3.7,"publicationDate":"2024-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11740103/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142996211","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"ITZO-Based Self-Aligned Top Gate Thin-Film Transistor with Minimum Parasitic Capacitance for Long-Retention 2T0C DRAM.","authors":"Jeong-Min Park, Sein Lee, Junseo Lee, Jang-Yeon Kwon","doi":"10.1021/acsomega.4c08274","DOIUrl":"https://doi.org/10.1021/acsomega.4c08274","url":null,"abstract":"<p><p>We developed a two-transistor, zero-capacitor (2T0C) gain-cell memory featuring a self-aligned top-gate-structured thin-film transistor (TFT) for the first time. The proposed indium tin zinc oxide (ITZO) channel-incorporated architecture was specifically engineered to minimize parasitic capacitance for achieving long-retention 2T0C memory operations. A typical 2T0C structure features five types of parasitic capacitances; however, the proposed SATG design effectively used an essential gate insulator capacitance (<i>C</i> _OX) and reduced four nonessential capacitances (<i>C</i> _WBL-WWL, <i>C</i> _WWL-SN, <i>C</i> _RWL-SN, and <i>C</i> _RBL-SN) to virtually zero. The ITZO-based 2T0C gain-cell memory achieved a retention time >10,000 s owing to the extremely low off-current (2.33 × 10^-18 A/μm), superior positive-bias stability (0.71 V), and high saturation mobility [17.52 cm²/(V s)] of the optimized TFT structure. Our proposed memory with long retention and high endurance is a promising solution for next-generation 3D-integrated stacked dynamic random-access memories and defines a new structural standard for future memory architectures.</p>","PeriodicalId":22,"journal":{"name":"ACS Omega","volume":"10 1","pages":"1006-1011"},"PeriodicalIF":3.7,"publicationDate":"2024-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11739972/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142996183","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Foam Fractionation as an Efficient Method for the Separation and Recovery of Surfactants and Surface-Inactive Agents: State of the Art.","authors":"Mateusz Sochacki, Piotr Michorczyk, Otmar Vogt","doi":"10.1021/acsomega.4c08413","DOIUrl":"https://doi.org/10.1021/acsomega.4c08413","url":null,"abstract":"<p><p>Surface-active agents are widely used in industrial processes and products for daily use. Surfactants are essential in consumer products, although they are environmentally harmful. Consequently, new technologies are being sought to address the surfactant waste problem effectively. Foam fractionation is a multifunctional method of removing or purifying surface-active and inactive agents. This environmentally friendly technology enables foam separation of many compounds based on adsorption at the gas-liquid interface. The technology has been employed in wastewater treatment, remediation, metallurgy, biotechnology, pharmacy, and the cosmetics and food industries. This review highlights process handling and equipment design in terms of the enrichment and recovery of many proteins, surfactants, metal ions, and pollutants. Furthermore, the mode of action, basic laws, and mechanisms of the technology are explained, and relevant examples of the application of foam fractionation will be provided.</p>","PeriodicalId":22,"journal":{"name":"ACS Omega","volume":"10 1","pages":"55-75"},"PeriodicalIF":3.7,"publicationDate":"2024-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11739947/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142996133","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}