Colloid and Interface Science Communications最新文献_第2页

Molecular dynamics characterization of the interfacial structure and forces of the methane-ethane sII gas hydrate interface 甲烷-乙烷 sII 气体水合物界面结构和作用力的分子动力学表征

IF 4.7 3区材料科学

Colloid and Interface Science Communications Pub Date : 2024-08-24 DOI: 10.1016/j.colcom.2024.100800

Samuel Mathews, André Guerra, Phillip Servio, Alejandro Rey

{"title":"Molecular dynamics characterization of the interfacial structure and forces of the methane-ethane sII gas hydrate interface","authors":"Samuel Mathews, André Guerra, Phillip Servio, Alejandro Rey","doi":"10.1016/j.colcom.2024.100800","DOIUrl":"10.1016/j.colcom.2024.100800","url":null,"abstract":"<div><p>The nucleation of gas hydrates is of great interest in flow assurance, global energy demand, and carbon capture and storage. A complex molecular understanding is critical to control hydrate nucleation and growth in potential applications. Molecular dynamics is employed combined with the mechanical definition of surface tension to assess the surface stresses controlling interfacial behavior. We characterize the interfacial tension for sII methane/ethane hydrate and gas mixtures for different temperatures and pressures. We find that the surface tension trends positively with temperature in a balance of water-solid and water-gas interactions. The molecular dipole shows the complexities of water molecule behavior in small, compressed pre-melting layer that emerges as a quasi-liquid. These behaviors contribute to the developing knowledge base surrounding practical applications of this interface.</p></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"62 ","pages":"Article 100800"},"PeriodicalIF":4.7,"publicationDate":"2024-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2215038224000359/pdfft?md5=dbdd03c47502284992443a43601c0102&pid=1-s2.0-S2215038224000359-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142058313","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Molecular dynamic simulation (MD) for COF-based membrane in water treatment 基于 COF 的膜在水处理中的分子动力学模拟 (MD)

IF 4.7 3区材料科学

Colloid and Interface Science Communications Pub Date : 2024-08-12 DOI: 10.1016/j.colcom.2024.100798

Samaneh Bandehali , Sajad Moradi , Maryam Khalili , Meysam Bandehali , Arash Alimadadi

{"title":"Molecular dynamic simulation (MD) for COF-based membrane in water treatment","authors":"Samaneh Bandehali , Sajad Moradi , Maryam Khalili , Meysam Bandehali , Arash Alimadadi","doi":"10.1016/j.colcom.2024.100798","DOIUrl":"10.1016/j.colcom.2024.100798","url":null,"abstract":"<div><p>COF-based membranes represent a new class of porous materials utilized in water treatment. A comprehensive exploration of these membranes, encompassing their properties and transport mechanisms, is crucial for elucidating the underlying principles and unresolved issues in membrane processes. Molecular dynamics (MD) simulations offer a molecular-level exploration of membrane properties, both static and dynamic. This paper investigates the role of MD simulations in enhancing our understanding of COF-based membranes for water treatment processes.</p><p>This study discusses the structure and properties of COF materials, synthesis strategies, and their applications in water treatment. Furthermore, it explores the fundamental principles of MD simulation and various simulation methods pertinent to water treatment using COF-based membranes. By reviewing existing literature on MD simulations of COF-based membranes, this paper proposes future research directions in this promising field of membrane technology.</p></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"62 ","pages":"Article 100798"},"PeriodicalIF":4.7,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2215038224000335/pdfft?md5=bef2b7d011d2534fff4b789614fc10bc&pid=1-s2.0-S2215038224000335-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141979183","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

It is not a rule that the first aggregation state of an ionic surfactant consists of spherical micelles. The case of tetradecyltrimethylammonium salicylate 离子型表面活性剂的第一种聚集状态由球形胶束组成，这并不是一种规则。以十四烷基三甲基水杨酸铵为例

IF 4.7 3区材料科学

Colloid and Interface Science Communications Pub Date : 2024-08-11 DOI: 10.1016/j.colcom.2024.100799

Álvaro Javier Patiño-Agudelo, Suelen Gauna Trindade, Larissa de Almeida Ueti, Edvaldo Sabadini

{"title":"It is not a rule that the first aggregation state of an ionic surfactant consists of spherical micelles. The case of tetradecyltrimethylammonium salicylate","authors":"Álvaro Javier Patiño-Agudelo, Suelen Gauna Trindade, Larissa de Almeida Ueti, Edvaldo Sabadini","doi":"10.1016/j.colcom.2024.100799","DOIUrl":"10.1016/j.colcom.2024.100799","url":null,"abstract":"<div><p>Ionic surfactants can assemble into wormlike micelles (WLM) at high concentrations, forming supramolecular structures that exhibit similarities to polymeric solutions. Although the rheology of these supramolecular aggregates is well understood, experimental thermodynamic studies at low concentrations are still in their early stages. In this study, we employed tetradecyltrimethylammonium salicylate (TTASal) to investigate the driving forces behind WLM formation for the first time, using isothermal titration calorimetry, electrical conductivity measurements, and cryogenic transmission electron microscopy. Our findings indicate that TTASal initially aggregates into WLM rather than spherical micelles, demonstrating that WLM formation is influenced by surfactant ion-counterion interactions rather than concentration alone. Notably, the enthalpy change associated with the aggregation process emerges as a key determinant in dictating the aggregation of free monomers into spherical or WLM.</p></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"62 ","pages":"Article 100799"},"PeriodicalIF":4.7,"publicationDate":"2024-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2215038224000347/pdfft?md5=993774af40b93b8006b96d4b66d0f6d2&pid=1-s2.0-S2215038224000347-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141932295","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Hydrogel stiffness mediates the PI3K-AKT signaling of mouse bone marrow stromal cells through cellular traction force 水凝胶硬度通过细胞牵引力介导小鼠骨髓基质细胞的 PI3K-AKT 信号转导

IF 4.7 3区材料科学

Colloid and Interface Science Communications Pub Date : 2024-07-26 DOI: 10.1016/j.colcom.2024.100797

Man Zhang , Xiangyu Dong , Qiang Wei , Yuanxin Ye , Hui Zhou

{"title":"Hydrogel stiffness mediates the PI3K-AKT signaling of mouse bone marrow stromal cells through cellular traction force","authors":"Man Zhang , Xiangyu Dong , Qiang Wei , Yuanxin Ye , Hui Zhou","doi":"10.1016/j.colcom.2024.100797","DOIUrl":"10.1016/j.colcom.2024.100797","url":null,"abstract":"<div><p>Adhesive interface stiffness significantly influences physiological processes by altering cell behaviors and signaling pathways. In particular, phosphoinositide 3-kinase (PI3K)-AKT pathway, one of the most important pathways that cell division, survival, and differentiation, can be affected. However, the detailed mechanism of this interaction remains unclear. In this study, we used gelatin methacrylate (GelMA) hydrogels with varying stiffness to mimic cellular mechanical environments and examine their effects on PI3K-AKT signaling. Cells cultured on stiff hydrogels showed increased spreading, focal adhesion formation, and contractility compared to those on softer hydrogels. Furthermore, mechanotransduction activation on stiff hydrogels upregulated PIP3, PI3K, and phosphorylated AKT (pAKT) expression. Notably, inhibiting myosin II, a key regulator of contractility, reduced PI3K-AKT signaling, suggesting a link between force generation and pathway activation. These findings reveal that how PI3K-AKT signaling can be mediated by cell adhesion interface stiffness through cell contractility, which provides new insights for developing therapies targeting PI3K-AKT-associated diseases.</p></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"62 ","pages":"Article 100797"},"PeriodicalIF":4.7,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2215038224000323/pdfft?md5=ada0d6b4bc6f23bf7ca73a46866647a9&pid=1-s2.0-S2215038224000323-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141770122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The Progress and Prospect of calcium peroxide nanoparticles in antibacterial activity 纳米过氧化钙抗菌活性的研究进展与前景

IF 4.7 3区材料科学

Colloid and Interface Science Communications Pub Date : 2024-07-01 DOI: 10.1016/j.colcom.2024.100793

Zhang Shasha , He Chuanchuan , Zhu Yawen

{"title":"The Progress and Prospect of calcium peroxide nanoparticles in antibacterial activity","authors":"Zhang Shasha , He Chuanchuan , Zhu Yawen","doi":"10.1016/j.colcom.2024.100793","DOIUrl":"https://doi.org/10.1016/j.colcom.2024.100793","url":null,"abstract":"<div><p>This review provides a comprehensive overview of the advancements and potential applications of calcium peroxide nanoparticles (CaO<sub>2</sub> NPs) in combating bacterial infections. With the rise of antibiotic resistance posing a significant global health threat, alternative antibacterial agents like CaO<sub>2</sub> NPs have garnered increasing attention. The review begins by discussing the synthesis and functionalization of CaO<sub>2</sub> NPs, highlighting recent developments in nanoparticle engineering techniques. Subsequently, it explores the intricate antibacterial mechanisms of CaO<sub>2</sub> NPs, emphasizing their ability to generate reactive oxygen species and disrupt bacterial biofilms. Evaluation of CaO<sub>2</sub> NPs' antibacterial efficacy against a broad spectrum of pathogens, coupled with discussions on potential applications in various fields including biomedical and environmental remediation, underscores their promising role as effective antibacterial agents. The review also addresses challenges such as nanoparticle stability and biocompatibility, and proposes future research directions to fully exploit the therapeutic potential of CaO<sub>2</sub> NPs. Overall, this review consolidates current knowledge on CaO<sub>2</sub> NPs and advocates for their continued exploration in combating bacterial infections.</p></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"61 ","pages":"Article 100793"},"PeriodicalIF":4.7,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2215038224000281/pdfft?md5=8c804f91ebc88ec1593a58ecfac1fd6f&pid=1-s2.0-S2215038224000281-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141543301","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Fabrication and evaluation of a plasmonic biosensor based on silica-coated gold nanorods for highly-sensitive detection of anti-Müllerian hormone 制备和评估基于二氧化硅涂层金纳米棒的等离子生物传感器，用于高灵敏度检测抗缪勒氏管激素

IF 4.7 3区材料科学

Colloid and Interface Science Communications Pub Date : 2024-07-01 DOI: 10.1016/j.colcom.2024.100795

Hamed Mirshekari , Bahareh Dabirmanesh , Sara Daneshjou , Khosro Khajeh

{"title":"Fabrication and evaluation of a plasmonic biosensor based on silica-coated gold nanorods for highly-sensitive detection of anti-Müllerian hormone","authors":"Hamed Mirshekari , Bahareh Dabirmanesh , Sara Daneshjou , Khosro Khajeh","doi":"10.1016/j.colcom.2024.100795","DOIUrl":"https://doi.org/10.1016/j.colcom.2024.100795","url":null,"abstract":"<div><p>Anti-müllerian hormone is a crucial biomarker for reproductive potential, but current detection methods are not cost-effective or time-efficient. In this study, we set out to develop a biosensor using gold nanorods (Au-NRs) coated with a functionalized silica network. The biosensor structure was completed by covalently binding the anti-Müllerian hormone antibody to SiO<sub>2</sub>@Au-NRs. We confirmed the proper coating of the gold nanorods using HR-TEM, EDS/EDAX, zeta potential, and FT-IR analysis. To assess the sensitivity of SiO<sub>2</sub>@Au-NRs, we analyzed the LSPR peak position redshift in different concentrations of ethylene glycol. The biosensor was then used to recognize the AMH antigen and determine the limit of detection (LoD) and quantification (LoQ) for the biosensor. Our research has shown that the SiO<sub>2</sub>@Au-NRs have a suitable thickness. The SiO<sub>2</sub>@Au-NRs demonstrated impressive sensitivity as a nano biosensor. The AMH antigen identification results indicated that the nano biosensor was highly sensitive. The LoD and LoQ values were 0.086 and 0.262 ng ml<sup>−1</sup>, respectively, very close to the values obtained by the ELISA kit. Furthermore, LSPR biosensors have reduced detection costs and measurement time. Their high sensitivity makes them excellent candidates for use in diagnostic kits.</p></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"61 ","pages":"Article 100795"},"PeriodicalIF":4.7,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S221503822400030X/pdfft?md5=2a33e8d83d11246da02b386ee44c3e2f&pid=1-s2.0-S221503822400030X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141604959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Nanoparticle-based drug delivery systems: An updated strategy for treating fungal keratitis 基于纳米颗粒的给药系统：治疗真菌性角膜炎的最新策略

IF 4.7 3区材料科学

Colloid and Interface Science Communications Pub Date : 2024-07-01 DOI: 10.1016/j.colcom.2024.100794

Yu Xiao Guo , Yu Xi He

{"title":"Nanoparticle-based drug delivery systems: An updated strategy for treating fungal keratitis","authors":"Yu Xiao Guo , Yu Xi He","doi":"10.1016/j.colcom.2024.100794","DOIUrl":"https://doi.org/10.1016/j.colcom.2024.100794","url":null,"abstract":"<div><p>Fungal keratitis is a globally blinding eye disease caused by fungi, with more than 1.05 million cases diagnosed annually, mainly in Asia. It is the most common form of infectious keratitis, accounting for approximately 40–50% of microbial keratitis cases. The disease is difficult to treat and the prognosis is often poor. Conventional antimicrobial therapies, which are the mainstay of treatment, face problems of off-target toxicity, low bioavailability, and drug-resistant fungi. In recent years, novel drug delivery systems have emerged as a promising alternative. These systems improve drug stability, extend drug residence time, control drug release, target specific tissues and cells, and reduce toxic side effects. Nanoparticle-based drug delivery systems are particularly compelling. The aim of this paper is to elucidate the mechanisms and advances of nanoparticle-based drug delivery systems in antifungal therapy and to provide new perspectives on the treatment of fungal keratitis.</p></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"61 ","pages":"Article 100794"},"PeriodicalIF":4.7,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2215038224000293/pdfft?md5=631dff769754a6a6152ff572573f0f39&pid=1-s2.0-S2215038224000293-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141604958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Calcium hydroxyapatite @ polydopamine core-shell microspheres for photothermal regulation of human gingival fibroblast behavior 用于光热调节人牙龈成纤维细胞行为的羟基磷灰石钙@聚多巴胺核壳微球

IF 4.5 3区材料科学

Colloid and Interface Science Communications Pub Date : 2024-06-13 DOI: 10.1016/j.colcom.2024.100792

Yijia Wang , Jiebing Zhang , Ning Ding, Ping Ma, Baijin Zeng

{"title":"Calcium hydroxyapatite @ polydopamine core-shell microspheres for photothermal regulation of human gingival fibroblast behavior","authors":"Yijia Wang , Jiebing Zhang , Ning Ding, Ping Ma, Baijin Zeng","doi":"10.1016/j.colcom.2024.100792","DOIUrl":"https://doi.org/10.1016/j.colcom.2024.100792","url":null,"abstract":"<div><p>Gingival recession, a common oral problem, often results in functional complications and aesthetic imperfections. Calcium hydroxyapatite (HA) microspheres, known for their fibroblast-activating properties, have been used for facial tissue augmentation. The photothermal conversion effect, which uses near-infrared (NIR) light to generate mild thermal stimuli, has been shown to enhance cellular activity and accelerate wound healing. In the current study, core-shell structured calcium hydroxyapatite @ polydopamine (HA@PDA) microspheres with biocompatibility and photothermal efficacy were synthesized to improve the treatment of gingival recession. Cellular experiments demonstrated that the behavior of human gingival fibroblasts (HGFs) and the polarization of macrophages are modulated by HA@PDA microspheres through photothermal conversion under 808 nm NIR irradiation. The implications of these findings suggest that photothermal HA@PDA microspheres may serve as a promising modality for gingival augmentation, offering a safe, non-invasive, effective, and sustainable treatment strategy.</p></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"61 ","pages":"Article 100792"},"PeriodicalIF":4.5,"publicationDate":"2024-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S221503822400027X/pdfft?md5=9795b2b82ac70e4bf32c3a162d3d7973&pid=1-s2.0-S221503822400027X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141325799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Plasma assisted fluorination of polyether ether ketone for stable antimicrobial performance 等离子体辅助氟化聚醚醚酮以获得稳定的抗菌性能

IF 4.5 3区材料科学

Colloid and Interface Science Communications Pub Date : 2024-06-01 DOI: 10.1016/j.colcom.2024.100791

Xiaoxue Bai , Hao Qin , Jing Jie , Chunxiuli Li , Yunhe Zhang , Lei Song

{"title":"Plasma assisted fluorination of polyether ether ketone for stable antimicrobial performance","authors":"Xiaoxue Bai , Hao Qin , Jing Jie , Chunxiuli Li , Yunhe Zhang , Lei Song","doi":"10.1016/j.colcom.2024.100791","DOIUrl":"10.1016/j.colcom.2024.100791","url":null,"abstract":"<div><p>Polyether ether ketone (PEEK) has been extensively used in healthcare due to its excellent mechanical properties, chemical resistance, and biocompatibility. Still, its weak bactericidal performance allows pathogenic bacteria to easily adhere to and proliferate on the PEEK surface. In this research, physical plasma treatment and chemical fluoridation have been combined to enable the PEEK surface with stable antibacterial performance. The characteristics of surface morphology, elemental composition, and hydrophilicity for the samples have been characterized. <em>In vitro</em> experiments reveal that the obtained PEEK surface exhibited great antimicrobial activity. Furthermore, the antimicrobial effect of the modified PEEK surface has shown almost no variation after 28 days of storage at room temperature and 4 h at 121 °C, confirming its excellent storage property and high-temperature stability. This study presents an efficient and practical method to enhance the cytocompatibility and the antimicrobial properties of the PEEK surface, making it a potential medical device material.</p></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"61 ","pages":"Article 100791"},"PeriodicalIF":4.5,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2215038224000268/pdfft?md5=302e02e6e371a5ceec633ed4b8354e55&pid=1-s2.0-S2215038224000268-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141198453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Design and fabrication of thin film composite organic solvent nanofiltration membranes by making use of the chirality of trans-1,2-diaminocyclohexane; characterization and performance studies 利用反式-1,2-二氨基环己烷的手性设计和制造薄膜复合有机溶剂纳滤膜；特性和性能研究

IF 4.5 3区材料科学

Colloid and Interface Science Communications Pub Date : 2024-05-28 DOI: 10.1016/j.colcom.2024.100790

Abdul Waheed , Umair Baig , Isam H. Aljundi

{"title":"Design and fabrication of thin film composite organic solvent nanofiltration membranes by making use of the chirality of trans-1,2-diaminocyclohexane; characterization and performance studies","authors":"Abdul Waheed , Umair Baig , Isam H. Aljundi","doi":"10.1016/j.colcom.2024.100790","DOIUrl":"https://doi.org/10.1016/j.colcom.2024.100790","url":null,"abstract":"<div><p>The current work has been focused on using 1,2-diamine with a chirality having trans stereochemistry where two amino (NH<sub>2</sub>) groups are trans to each other on a cyclohexane ring. The thin film composite (TFC) polyamide (PA) membrane was fabricated on a hydrazine hydrate crosslinked polyacrylonitrile (HH-PAN) support by interfacial polymerization (IP) reaction between trans-1,2-diamniocyclohexane (Tans-Amine; t-DAC) and trimesoyl chloride (TMC). Owing to the trans-position of the two vicinal amino groups occupying opposite positions on the chair conformation of t-DAC, a dense and crosslinked active layer was grown on the ultrafiltration (UF) HH-PAN support. Organic solvent nanofiltration (OSN) experiments showed high rejection rates of Trans-Amine-TMC@HH-PAN TFC membrane for model solutes such as dyes with a molecular size of ≈ 700 Da were completely rejected. Among polar solvents, methanol showed a permeance of 4.2 L m<sup>−2</sup> h<sup>−1</sup> bar<sup>−1</sup> whereas among non-polar solvents, toluene showed a permeance of 6.4 L m<sup>−2</sup> h<sup>−1</sup> bar<sup>−1</sup>. Current work shows the significance of making use of the chirality of reacting monomers during IP for developing promising PA TFC OSN membranes.</p></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"61 ","pages":"Article 100790"},"PeriodicalIF":4.5,"publicationDate":"2024-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2215038224000256/pdfft?md5=d805e1e9a9c3304621e11c312a5eac00&pid=1-s2.0-S2215038224000256-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141164035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0