Shihui Jiao , Mingyu Shang , Yan Chen , Guangsheng Pang
{"title":"In situ noble metal-ion modified TiO2 rutile nanobars with highly exposed {110} facets: Synthesis, structure, and catalytic properties","authors":"Shihui Jiao , Mingyu Shang , Yan Chen , Guangsheng Pang","doi":"10.1016/j.colcom.2023.100761","DOIUrl":"https://doi.org/10.1016/j.colcom.2023.100761","url":null,"abstract":"<div><p>The in situ anchoring of metal elements on the surface of nanomaterials is a state-of-the-art technology that can significantly enhance the performance of materials. We have successfully fabricated noble metal-ion modified rutile TiO<sub>2</sub> nanobars, which exhibit exceptional catalytic activity in both H<sub>2</sub> generation and CO oxidation. Firstly, we synthesized Ti<sup>3+</sup> self-doped rutile TiO<sub>2-x</sub> nanobars by a simple solvothermal method using Zn as a reductant, resulting in highly crystalline structures with a significant proportion of (110) surfaces. The reduced nanobars chemically absorb the noble metal cations with the addition of a solution of a noble metal salt in the absence of light to form in situ noble metal-ion modified catalysts. TiO<sub>2</sub> nanobars with 1 wt% Pt<sup>2+</sup> and Pd<sup>2+</sup> exhibited excellent performance in photocatalytic H<sub>2</sub> generation from water and low temperature CO oxidation. Moreover, the samples modified with low noble metal ions (0.1 wt%) also show effective activity in H<sub>2</sub> generation.</p></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"58 ","pages":"Article 100761"},"PeriodicalIF":4.5,"publicationDate":"2023-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2215038223000687/pdfft?md5=3f562e60fada4b77e2d0ebf908c108d9&pid=1-s2.0-S2215038223000687-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138570721","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}
Cui Jing , Wang Yifan , Wang Chengxuan , Yang Guangfeng
{"title":"Anti-icing and weatherability study of superhydrophobic titanium metal matrix composites surface","authors":"Cui Jing , Wang Yifan , Wang Chengxuan , Yang Guangfeng","doi":"10.1016/j.colcom.2023.100759","DOIUrl":"https://doi.org/10.1016/j.colcom.2023.100759","url":null,"abstract":"<div><p>Superhydrophobic surfaces have received much attention from academia and industry for their promising applications, which can significantly expand the comprehensive performance of composite materials. Thus, this paper demonstrated a low-cost and simple method to fabricate arrays of micro−/nano-structure surfaces similar to rice leaves through laser micro texturing, modified with polydimethylsiloxane (PDMS) to produce physicochemically coupling texture hydrophobic surfaces, and then investigate the surface's resistance to ice and weathering under environmental damage. After tens of circulating for coagulation and thawing frost and shocking of water, the surface can remain hydrophobic, while the hydrophobic groups and structures on the surface can remain hydrophobic under hundreds of times of stripping and friction, which shows good weather ability. In summary, a practical reference for titanium metal matrix composite surfaces is provided, realizing superhydrophobicity and ice suppression functions and expanding its scenario applications.</p></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"58 ","pages":"Article 100759"},"PeriodicalIF":4.5,"publicationDate":"2023-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2215038223000663/pdfft?md5=463372bbf4600402f7822435afdf87f0&pid=1-s2.0-S2215038223000663-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138483929","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}
Hui Xue , Zhibing Tang , Ping Li , Lin Zhao , Guangxin Duan , Ling Wen
{"title":"GO nanosheets inhibit the proliferation of hPDLCs by covering the membrane to block the EGFR-AKT signaling pathway","authors":"Hui Xue , Zhibing Tang , Ping Li , Lin Zhao , Guangxin Duan , Ling Wen","doi":"10.1016/j.colcom.2023.100746","DOIUrl":"https://doi.org/10.1016/j.colcom.2023.100746","url":null,"abstract":"<div><p>Graphene-based materials show potential applications in dentistry due to their outstanding physicochemical properties. However, the use of graphene and its derivatives increases their exposure risk to periodontal cells. This study aimed to evaluate the cytotoxicity caused by graphene in periodontal cells and clarify the potential molecular mechanism. Through a series of experiments, we isolated human periodontal ligament cells (hPDLCs) and subsequently investigated the cytotoxic behaviors and related signaling pathway through which graphene oxide (GO) nanohseets injured hPDLCs. Our findings illustrated that the cytotoxicity of GO against hPDLCs was derived from the covering of GO nanosheets on the membrane surface, which blocked the phosphorylation of epidermal growth factor receptor on the membrane. It further inhibited the activation of the serine/threonine kinase signaling pathway that promoted the proliferation and cycle progression of cells. This study revealed the toxic behavior of GO nanosheets to oral cells and elucidated the potential molecular mechanism, thereby providing theoretical guidance for the safe application of graphene-based materials in dentistry.</p></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"57 ","pages":"Article 100746"},"PeriodicalIF":4.5,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2215038223000535/pdfft?md5=8c5c9b00abddec70e4904d34e1fc49cd&pid=1-s2.0-S2215038223000535-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91986475","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}
{"title":"pH-responsive nanofiber membranes for superior controlled release of poorly water-soluble drug and its release mechanism study","authors":"Changmi Wu, Haotian Ren, Yanan Zhang, Danfeng Jian, Yujie Gao, Jindan Wu","doi":"10.1016/j.colcom.2023.100750","DOIUrl":"https://doi.org/10.1016/j.colcom.2023.100750","url":null,"abstract":"<div><p>Antibiotics delivery using dressings is an effective manner to treat chronic infected wounds, but it still faces the challenge of uncontrolled drug release. To address this issue, we developed pH-responsive electrospun nanofibers for controlled release of poorly water-soluble antibiotics. Specifically, the drug-loaded electrospun nanofibers were fabricated via coaxial electrospinning technique, with polycaprolactone (PCL) and drug acting as the core and pH-responsive acrylic copolymer Eudragit L100–55 serving as the sheath layer. Under alkaline conditions, all drugs release rapidly due to the dissolution of Eudragit L100–55, and first-order model well fits the release behavior. In contrast, the sheath layer swells under acidic conditions, causing poorly water-soluble drugs to be firmly trapped. Moreover, the drug-loaded nanofibers display completely different antibacterial activities due to distinct drug release behaviors under alkaline or acidic conditions. The current pH-responsive nanofibers shows superior controllability of poorly water-soluble drug release, revealing great prospects for treating chronic infected wounds.</p></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"57 ","pages":"Article 100750"},"PeriodicalIF":4.5,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2215038223000572/pdfft?md5=fe87c257368eb0bc9e0b1560a530f828&pid=1-s2.0-S2215038223000572-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"92136012","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}
Jeongwook Ko , Han-Bok Seo , Jihee Lee, Sang Yup Kim, Seung-Yop Lee
{"title":"Scalable processing parameters to fabricate silicon elastomer microparticles using a blade-free planetary mixer with a thixotropic medium","authors":"Jeongwook Ko , Han-Bok Seo , Jihee Lee, Sang Yup Kim, Seung-Yop Lee","doi":"10.1016/j.colcom.2023.100756","DOIUrl":"https://doi.org/10.1016/j.colcom.2023.100756","url":null,"abstract":"<div><p>The development of biomedical devices and soft robotics has spurred the utilization of silicone elastomers. Converting these polymers into particulates is increasingly important for their application to advanced materials and processes. However, the highly viscous nature of silicone resins, resulting from their long polymer chains, makes it challenging to fabricate them as particulates. Recently, a blade-free planetary mixer has been used to effectively emulsify viscous resins in a thixotropic medium. However, the particle fabrication process has not yet been examined to gain full control over the produced microparticles. This study presents key processing parameters for the fabrication of silicone elastomer microparticles in a sodium alginate medium using a blade-free planetary mixer. The experimental results show that stirring speed, stirring time, and medium concentration are the determining factors for controlling the particle size distribution. The variation in particle size by parameters exhibits differences depending on the viscous-to-elastic transition of the medium.</p></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"57 ","pages":"Article 100756"},"PeriodicalIF":4.5,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2215038223000638/pdfft?md5=3bb831385f9de4a4c4aa1efad58c7e2e&pid=1-s2.0-S2215038223000638-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136697141","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}
{"title":"Recent progress in biodegradation of microplastics by Aspergillus sp. in aquatic environments","authors":"Afsaneh Esmaeili Nasrabadi , Bahman Ramavandi , Ziaeddin Bonyadi","doi":"10.1016/j.colcom.2023.100754","DOIUrl":"https://doi.org/10.1016/j.colcom.2023.100754","url":null,"abstract":"<div><p>The potential of <em>Aspergillus</em> sp. for plastic biodegradation is a promising approach for environmentally friendly waste management. Various research studies have been conducted to optimize conditions that enhance the biodegradation of plastics and to understand the genetic basis of <em>Aspergillus</em> species. By performing this investigation, we discussed the role of various species of <em>Aspergillus</em> sp. in the decomposition of plastic polymers. Most <em>Aspergillus</em> sp. grow within the pH range of 4 to 6. 37.5% of the studies showed that <em>Aspergillus</em> sp. grows optimally at 30 °C. Scanning electron microscopy (SEM) and Fourier transform infrared (FTIR) tests were used in 34.61% and 32.69% of the different studies, respectively. It has been observed that fungi can biodegrade polymers more effectively within a size range of 20–100 μm. Most studies (34.21%) have focused on the biodegradation of polymers within 21 to 30 days. The highest percentage of studies (44%) focused on the biodegradation of low-density polyethylene (LDPE) by various <em>Aspergillus</em> sp. The dominant <em>Aspergillus</em> sp., including <em>A. niger</em>, <em>A. flavus</em>, and <em>A. oryzae</em>, play a significant role in the biodegradation of microplastics. Enzymes such as laccase, esterase, peroxidase, lipase, and urease play crucial roles in the degradation of plastics. Laccase utilizes oxygen to generate reactive oxygen species, breaking polymer chains. Esterase cleaves polymers into fragments, while peroxidase generates radicals for polymer degradation. Lipases and urease also contribute to the degradation of specific plastic substrates. In general, it can be said that this fungal species has been successful in effectively degrading various polymers.</p></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"57 ","pages":"Article 100754"},"PeriodicalIF":4.5,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2215038223000614/pdfft?md5=3e50ec34f0af1ccd625d6495495ad8c9&pid=1-s2.0-S2215038223000614-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134656325","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}
{"title":"A pH-responsive nanocarrier synergistically activate tumor immunotherapy by promoting pyroptosis and immune checkpoint blocking","authors":"Xiaopin Hua , Xiuli Zhang , Qiaohua Peng , Juanhong Wu , Sangsang Tang , Chenxi Lin , Jian Shen","doi":"10.1016/j.colcom.2023.100751","DOIUrl":"https://doi.org/10.1016/j.colcom.2023.100751","url":null,"abstract":"<div><p>Tumor immunotherapy has developed rapidly in recent years, with good curative effects and minimal side effects, but it is restricted by the poor tumor immunogenicity. Metformin, a clinical drug used worldwide, has been found to have a novel role in inducing tumor pyroptosis, which in turn promotes tumor to releases inflammatory substances and improve tumor immunogenicity. Nevertheless, it requires a higher dosage for cancer treatment compared to conventional chemotherapy medications, thereby exhibiting pronounced side effects. Within the context of this specific study, we developed a pH-responsive nanocarrier (MT NPs) that can simultaneously deliver metformin as a pyroptosis inducer and Toripalimab as an anti-programmed cell death (PD)-1 monoclonal antibody for the purpose of cancer immunotherapy. Once the nanodrugs reached the acidic tumor microenvironment, their structures were degraded due to hydrophilic transformation caused by segment protonation. Furthermore, the MT NPs released the metformin and Toripalimab to synergistically promote tumor immunity, resulting in significantly improved therapeutic outcomes, potentially leading to successful tumor eradication.</p></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"57 ","pages":"Article 100751"},"PeriodicalIF":4.5,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2215038223000584/pdfft?md5=2dd6301d043b0b82d5c00d48fb3a2ebb&pid=1-s2.0-S2215038223000584-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138396165","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}
Yuan Zhong , YaMei Wang , YuFei Ji , Xiaotao Zhang , Ximing Wang
{"title":"Biomass carbon-based composites for adsorption/photocatalysis degradation of VOCs: A comprehensive review","authors":"Yuan Zhong , YaMei Wang , YuFei Ji , Xiaotao Zhang , Ximing Wang","doi":"10.1016/j.colcom.2023.100749","DOIUrl":"https://doi.org/10.1016/j.colcom.2023.100749","url":null,"abstract":"<div><p>Driven by the dual‑carbon target strategy, the governance of volatile organic compounds (VOCs) is imminent. Traditional activated carbon adsorption is not conducive to the complete removal of VOCs, which undoubtedly increases the follow-up cost. Therefore, photocatalytic technology has gradually been used on biomass carbon-based supports with its high efficiency and environmental protection, while has achieved considerable results. Nevertheless, we still face difficult catalyst selection and unclear catalytic reaction mechanisms. So, a deeper understanding of biomass carbon-based photocatalysts is required. We review the types, structures, and adsorption-catalytic effects of biomass carbon-based supports. Meanwhile, we briefly describe the removal of VOCs by metal catalysis, non-metal catalysis, and single-atom catalysis in the research of biomass carbon-based catalysts, and briefly describe the density functional Application of theory to VOCs adsorption-catalysis. Finally, we prospects and directions for the technological development of biomass carbon-based photocatalytic removal of VOCs are proposed.</p></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"57 ","pages":"Article 100749"},"PeriodicalIF":4.5,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2215038223000560/pdfft?md5=b4c593a82466a38204b0fc5a7a597bfd&pid=1-s2.0-S2215038223000560-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"92044965","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}
Guo Feng , Weifeng Xie , Feng Jiang , Chuan Shao , Junling Yu , Qian Wu , Ying Jin , Qing Yang , Wenwei Jin , Jianmin Liu , Tianfang Xu
{"title":"Synthesis and characterization of dense core-shell particles prepared by non-solvent displacement nonaqueous precipitation method taking C@ZrSiO4 black pigment preparation as the case","authors":"Guo Feng , Weifeng Xie , Feng Jiang , Chuan Shao , Junling Yu , Qian Wu , Ying Jin , Qing Yang , Wenwei Jin , Jianmin Liu , Tianfang Xu","doi":"10.1016/j.colcom.2023.100748","DOIUrl":"https://doi.org/10.1016/j.colcom.2023.100748","url":null,"abstract":"<div><p>A novel non-solvent displacement nonaqueous precipitation method was developed for core-shell materials preparation taking C@ZrSiO<sub>4</sub> black pigments synthesis as the case. The effects of the precursor concentration on the synthesis and coloration of the C@ZrSiO<sub>4</sub> pigment was investigated via X-ray diffraction, transmission electron microscopy, field-emission scanning electron microscopy, Fourier-transform infrared spectroscopy, Raman spectroscopy, and CIELAB colorimetry. The results show that the optimized precursors concentration is 1.50 mol/L, C@ZrSiO<sub>4</sub> encapsulated pigments prepared by the method have a uniform and dense shell encapsulated zircon layer with the thickness of 10–20 nm. The size of C@ZrSiO<sub>4</sub> encapsulated pigments was 50–210 nm, without particles agglomeration. This uniform and dense encapsulation facilitates a good color rendering effect in high-temperature glaze, and the chromaticity values of glaze are <em>L*</em> = 35.05, <em>a*</em> = 0.34 and <em>b*</em> = 1.08, respectively. Non-solvent displacement nonaqueous precipitation method might be an extremely promising method for preparing core-shell structural materials.</p></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"57 ","pages":"Article 100748"},"PeriodicalIF":4.5,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2215038223000559/pdfft?md5=7f527d7cce48a394ae4a49894352d28a&pid=1-s2.0-S2215038223000559-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"92136013","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}
{"title":"Emerging theragnostic molecularly imprinted nano-antibodies","authors":"Zhaoyang Yao, Youlu Diao, Jia Gao, Guoqing Pan","doi":"10.1016/j.colcom.2023.100753","DOIUrl":"https://doi.org/10.1016/j.colcom.2023.100753","url":null,"abstract":"<div><p>Molecularly imprinted nano-antibodies (MINAs) are tailor-made recognition synthetic antibodies that mimic the behavior of biological receptors with a central role in numerous living systems. In the last decades, MINAs have gained attention for present high selectivity and affinity, remarkable stability, effective production methods, and potentially low cost. Currently, with innovations in material science and technological breakthroughs, the applications of MINAs are eventually undergoing a revolutionary transformation from the initial separation and adsorption fields to the burgeoning biomedicine fields. In this review, a comprehensive overview of key current progress made in the preparation of MINAs and their crucial biomedical applications is presented. Also, we provide future perspectives and highlight the present challenges remaining for prospective research on the biomedical applications of MINAs. We envision that this review will provide precious guidance for constructing multifunctional MINAs tailored towards the frontier needs in biomedicines, thereby fostering the development of approaches to biological material.</p></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"57 ","pages":"Article 100753"},"PeriodicalIF":4.5,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2215038223000602/pdfft?md5=47d0ebada2c08aa4491d4de8b65b31e6&pid=1-s2.0-S2215038223000602-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134656153","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}