{"title":"Dopamine-polymerized macromolecules for rapid and safe hair dyeing","authors":"Jisun Park, Jin Kim, Chang-Moon Lee","doi":"10.1016/j.colcom.2026.100916","DOIUrl":"10.1016/j.colcom.2026.100916","url":null,"abstract":"<div><div>This study addresses the limitations of synthetic hair dyes, such as potential carcinogenicity and allergies, and the drawbacks of conventional natural dyes, like long treatment times. The research proposes a safe and efficient hair dyeing system using dopamine (DA) and genipin (GP). When applied together, DA and GP undergo rapid self-assembly and cross-linking to coat hair, turning it black within 40 min without additives such as mordants or adhesives. The dyeing speed and color intensity can be controlled by adjusting the GP concentration. Evaluations using SEM, UV–Vis, and ATR–FTIR spectroscopy confirmed effective morphological changes, while MTT assays demonstrated low toxicity. Furthermore, the dyed hair exhibited high durability, maintaining its color even after dozens of shampooing cycles. This DA/GP dye system provides a promising natural alternative for rapid, safe, and long-lasting hair coloring.</div></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"74 ","pages":"Article 100916"},"PeriodicalIF":6.7,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148854299","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}
Md Mohaimeen Ul Islam, Michael G. Olsen, Jaime J. Juárez
{"title":"Acoustic mitigation of cake formation in microfluidic membrane filtration","authors":"Md Mohaimeen Ul Islam, Michael G. Olsen, Jaime J. Juárez","doi":"10.1016/j.colcom.2026.100905","DOIUrl":"10.1016/j.colcom.2026.100905","url":null,"abstract":"<div><div>This investigation examined the use of acoustic streaming as a mechanism to disrupt cake layer formation at a microfilter interface. A microfiltration model consisting of arrays of 10-μm-wide microchannels, was examined. Fifteen-micron polystyrene particles were introduced to the microfilter, permitting the observation of cake layer formation. Three flow rates, 100 μL h<sup>−1</sup>, 200 μL h<sup>−1</sup>, and 300 μL h<sup>−1</sup>, were used to introduce solids to the microfilter. Acoustic streaming was observed at a resonance frequency of 5.8 kHz with excitation voltages of 60 V and 90 V. Acoustic streaming was found to generate a vortex flow upstream of the filter, and this vortex in turn disrupted the cake layer and trapped particles, achieving an average 43% reduction in membrane pressure drop at 90 V when compared to passive conditions. These findings demonstrate that acoustic streaming can serve as a non-invasive method to improve microfilter performance and lifespan.</div></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"73 ","pages":"Article 100905"},"PeriodicalIF":6.7,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148523618","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}
Changjun Jia, Fengxin Sun, Kun Su, Zhiyong Song, Xinyu Song, Hongye Guan, Tianming Zhao
{"title":"Advancements in 3D bioprinting technology for drug-loaded microneedles: A comprehensive review","authors":"Changjun Jia, Fengxin Sun, Kun Su, Zhiyong Song, Xinyu Song, Hongye Guan, Tianming Zhao","doi":"10.1016/j.colcom.2026.100907","DOIUrl":"10.1016/j.colcom.2026.100907","url":null,"abstract":"<div><div>Drug-loaded microneedles have emerged as an important alternative to traditional injection administration. 3D bioprinting technology, with its advantages of customization, provides a new route for the fabrication of microneedles. However, current drug-loaded microneedles still face several key issues, including matched-degree between materials and drug, the impact of manufacturing processes on drug activity, the safety evaluation of complex structures, and barriers to clinical translation. This review systematically summarizes the latest research progress in 3D-bioprinted drug-loaded microneedles, focusing on four aspects material selection, fabrication processes, structural design, and functional applications with clinical translation. Finally, this review provides an outlook on the drug loading capacity, the closed-loop drug release mechanisms, and the clinical standards for microneedles. This paper aims to provide a comprehensive reference for the development of 3D-bioprinted drug-loaded microneedles and to promote their clinical translation and application expansion in the field of drug delivery.</div></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"73 ","pages":"Article 100907"},"PeriodicalIF":6.7,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148523620","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}
Loganathan Chandramani Priya Dharshini, Abul Kalam Azad Mandal
{"title":"Transferrin-decorated CHEMS-liposomes: A nanoengineered platform for pH-responsive co-delivery of EGCG and miR-30a-5p","authors":"Loganathan Chandramani Priya Dharshini, Abul Kalam Azad Mandal","doi":"10.1016/j.colcom.2026.100906","DOIUrl":"10.1016/j.colcom.2026.100906","url":null,"abstract":"<div><div>Achieving controlled intracellular co-delivery of polyphenol and miRNA requires nanocarriers that integrate stimulus-responsiveness, active targeting, and mechanistically defined release. Herein, we report the rational design of a six-component transferrin-functionalized, pH-sensitive liposomal nanoplatform (Tf-(DDL-pHSLs)) co-encapsulating epigallocatechin gallate (EGCG) and miR-30a-5p. CHEMS drives lamellar-to-hexagonal phase transition under acidic pH; DDAB enables electrostatic miRNA complexation; DSPE-PEG2000-NH<sub>2</sub> anchors covalent interaction with transferrin via cyanuric chloride coupling. All formulations displayed size distributions of ⁓95–160 nm (PDI < 0.3), and zeta potential of −36 to −42 mV, with encapsulation efficiencies >90% for both cargos. CHEMS protonation triggers non-linear size escalation (95 → 350 nm) and charge neutralization (−36.8 → -4.2 mV) at pH 4.5. Release followed Korsmeyer-Peppas anomalous transport (η = 0.525–0.738), mechanistically attributed to coupled bilayer relaxation-erosion. Tf-(DDL-pHSLs) showed enhanced cytotoxicity (IC<sub>50</sub>: 75.12 μM) over non-targeted controls and 5-fluorouracil (97.50 μM), establishing colloidal design-to-function framework for stimuli-responsive drug delivery.</div></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"73 ","pages":"Article 100906"},"PeriodicalIF":6.7,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148523619","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":"One-pot thermal polycondensation to synthesize sulfur-doped g-C₃N₄ for efficient photocatalytic degradation","authors":"Zehua Xu , Chenglong Deng , Yuanxi Xiang, Pengju Liu, Wenhua Chen","doi":"10.1016/j.colcom.2026.100873","DOIUrl":"10.1016/j.colcom.2026.100873","url":null,"abstract":"<div><div>Developing high-performance photocatalysts is an economical and effective way for organic pollutant degradation. In this study, sulfur-doped graphitic carbon nitride (ST-CN) nanosheets with a highly exfoliated structure were synthesized via a simple one-pot thermal polycondensation procedure. After sulfur doping, ST-CN was provided with significantly enlarged specific surface area and improved charge separation efficiency. ST-CN displayed obviously enhanced degradation property for rhodamine B with an efficiency of 96.6% under visible light irradiation, much higher than pristine g-C<sub>3</sub>N<sub>4</sub> (53.9%). More importantly, the unabated degradation efficiency of ST-CN occurred for rhodamine B even in some complex water matrixes with various ions (Cl<sup>−</sup>, CO<sub>3</sub><sup>2−</sup>, NO<sub>3</sub><sup>−</sup>, and SO<sub>4</sub><sup>2−</sup>) and different pH values. During the photocatalytic degradation process, ST-CN produced abundant superoxide radicals (•O<sup>2−</sup>), which played a dominant role of the pollutant's elimination. In short, this work offers a simple and efficient strategy to modify carbon nitride for enhancing the photocatalytic performance.</div></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"71 ","pages":"Article 100873"},"PeriodicalIF":4.7,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147398859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Ionization potential and electron affinity via inverse surface-energy-weighted averaging in ZnO, NiO, and CH₃NH₃PbI₃","authors":"Chumpol Supatutkul , Sukrit Sucharitakul , Sittichain Pramchu , Yongyut Laosiritaworn , Atchara Punya Jaroenjittichai","doi":"10.1016/j.colcom.2026.100874","DOIUrl":"10.1016/j.colcom.2026.100874","url":null,"abstract":"<div><div>Accurate vacuum-referenced band edges are important for predicting contact barriers and interfacial transport, but values taken from a single surface can misrepresent real crystallites that expose many facets. We develop a workflow that explicitly calculates the ionization potential (IP) and electron affinity (EA) of each facet using slab models with dipole corrections. These facet-resolved quantities are then combined through an inverse–surface-energy weighted average to obtain the final band edges. We introduce three averaging protocols: CLES (Converged Low-Energy Set), the smallest set of low-γ facets for which the weighted average converges within 0.1 eV; PFS (Principal Facet Set), a symmetry-based average over seven low-index surfaces; and CFS (Comprehensive Facet Set), the average over all 25 facets studied. CLES converges with four facets for ZnO, eight for NiO, and twelve for CH₃NH₃PbI₃. PFS remains within ∼0.1–0.2 eV of experiment, and the resulting surface-weighted IP and EA support interface design in perovskite optoelectronics.</div></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"71 ","pages":"Article 100874"},"PeriodicalIF":4.7,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147398858","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zixi Yin , Xingchen Liu , Guijie Liang , Song Wang
{"title":"PEG crosslinking constructs superhydrophilic S-scheme heterojunction: A novel strategy for highly efficient H2 production over Fe-MOF/C3N5 photocatalyst","authors":"Zixi Yin , Xingchen Liu , Guijie Liang , Song Wang","doi":"10.1016/j.colcom.2026.100872","DOIUrl":"10.1016/j.colcom.2026.100872","url":null,"abstract":"<div><div>Photocatalysis hydrogen production is a sustainable method for generating clean energy from solar power, yet a critical challenge lies in developing photocatalysts with both high activity and facile synthesis. Herein, we propose an innovative interfacial crosslinking strategy, for the first time employing the bifunctional crosslinker CHO-PEG-CHO to mediate the construction of C<sub>3</sub>N<sub>5</sub>/Fe-MOF heterojunctions. Terminal aldehydes of PEG specifically react with amino groups in Fe-MOF and hydroxyl groups in C<sub>3</sub>N<sub>5</sub> to form a stable superhydrophilic PEG@C<sub>3</sub>N<sub>5</sub>/Fe-MOF composite with a remarkable H₂ evolution rate of 4311 μmol·g<sup>−1</sup>·h<sup>−1</sup> (7.9 times higher than pure C<sub>3</sub>N<sub>5</sub>). The exceptional performance originates from the combined effect of a S-scheme charge transfer mechanism for efficient charge separation and optimized redox potentials, and a PEG-enhanced C<sub>3</sub>N<sub>5</sub>-Fe-MOF interaction, validated by time-resolved photoluminescence (PL) alongside transient absorption spectroscopy (TA). This rational crosslinking strategy and elucidated S-scheme pathway provide a new platform for designing highly efficient and stable photocatalysts for solar-driven hydrogen production and broader photocatalytic applications.</div></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"71 ","pages":"Article 100872"},"PeriodicalIF":4.7,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146001737","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Wenzel-to-Cassie transition of bio-inspired multiscale surfaces via the multilayer deposition of a carnauba wax-ethanol emulsion","authors":"Axelle Raoul , Yann Bami-Chatenet , Stéphane Valette","doi":"10.1016/j.colcom.2026.100875","DOIUrl":"10.1016/j.colcom.2026.100875","url":null,"abstract":"<div><div>Used for decades, perfluorinated compounds face global concerns due to their impact on human health and the environment, making it necessary to find an alternative. In this article, a facile procedure for the manufacturing of a carnauba-wax based superhydrophobic surface is introduced, without resorting to the use of any polluting additive.</div><div>Inspired by the lotus effect, this method consists in the recrystallization of carnauba wax (CW) on stainless steel. As part of a biomimetic approach, the latter essentially requires the use of CW and ethanol. This low-cost production method produces a fully biodegradable coating.</div><div>The obtained coating displays a multiscale surface with reentrant features, allowing air to be entrapped below the water droplet. Through the variation of the number of layers of CW deposited by spray-coating, the effect of the density of CW clusters on the contact angle hysteresis is highlighted, echoing the pioneering experiment of Dettre and Johnson.</div></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"71 ","pages":"Article 100875"},"PeriodicalIF":4.7,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147398857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The importance of dissipation energy shift in analyzing bacteria–Surface interactions using a quartz crystal microbalance with dissipation monitoring","authors":"Diaa AbuKhadra, Katherine Sarah Kaufman, Inbar LeviRam, Osnat Gillor, Moshe Herzberg","doi":"10.1016/j.colcom.2026.100877","DOIUrl":"10.1016/j.colcom.2026.100877","url":null,"abstract":"<div><div>Bisphenol A (BPA) and atrazine are contaminants of emerging concern (CECs) that commonly accumulate near microbial biofilms in environmental and engineered systems. Because some bacteria can biodegrade CECs, understanding the proliferation of sessile microorganisms at solid–liquid interfaces is important. Quartz crystal microbalance with dissipation monitoring (QCM-D) enables real-time analysis of sessile bacterial growth, although frequency shifts can be complex due to viscoelastic effects, including overtone-dependent sign changes. Here, QCM-D responses were compared for two sessile cultures: a BPA-degrading bacterium and an atrazine-degrading consortium. BPA degradation was associated with negative frequency shifts across all overtones, whereas atrazine degradation produced both positive and negative frequency shifts depending on overtone. In contrast, dissipation shifts increased consistently for all overtones in both systems following exposure to the biodegradable CECs. These results demonstrate that dissipation shifts provide a robust indicator of sessile bacterial proliferation, even when frequency responses are ambiguous or exhibit sign reversals.</div></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"71 ","pages":"Article 100877"},"PeriodicalIF":4.7,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147398855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Paula Suárez-Vaquero , Beatriz Rodríguez , Amanda Moyano , Baihui Wang , Alberto Sánchez-Calvo , Esther Serrano-Pertierra , José María Duque , Luis Sánchez , Guillermo García-Santos , Luis García-Flórez , Gemma Gutiérrez , María Matos , María Carmen Blanco-López
{"title":"Magnetic nanovesicles as multilabel systems in lateral flow immunoassays","authors":"Paula Suárez-Vaquero , Beatriz Rodríguez , Amanda Moyano , Baihui Wang , Alberto Sánchez-Calvo , Esther Serrano-Pertierra , José María Duque , Luis Sánchez , Guillermo García-Santos , Luis García-Flórez , Gemma Gutiérrez , María Matos , María Carmen Blanco-López","doi":"10.1016/j.colcom.2026.100870","DOIUrl":"10.1016/j.colcom.2026.100870","url":null,"abstract":"<div><div>Lateral flow assays (LFA) have been widely used for rapid and low-cost detection of biomolecules in a variety of fields. In this work, we have developed a LFA for potential biomarkers of colorectal cancer (CRC) in Extracellular vesicles (EVs), by using a novel multilabel system based on encapsulated iron oxide (IONs) nanoparticles. The IONs were prepared by a microemulsion mehod, and their encapsulation was more efficient using the thin film hydration layer method than by ethanol injection. The performance of the encapsulated particles as detecting labels was compared with that achieved using the conventional gold nanoparticles (AuNPs). Our results indicate that encapsulated IONs increased the sensitivity by means of their nanozyme effect towards the oxidation of hydrogen peroxide. The nanovesicles encapsulating IONs could improve their safety handling and sample preparation, and they could be useful at other sensing fields.</div></div>","PeriodicalId":10483,"journal":{"name":"Colloid and Interface Science Communications","volume":"71 ","pages":"Article 100870"},"PeriodicalIF":4.7,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146075486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}