Review
Chemistry, Multidisciplinary
Jaskiran Kaur, Vijay Mishra, Sachin Kumar Singh, Monica Gulati, Bhupinder Kapoor, Dinesh Kumar Chellappan, Gaurav Gupta, Harish Dureja, Krishnan Anand, Kamal Dua, Gopal L. Khatik, Kuppusamy Gowthamarajan
Summary: Amphiphilic block copolymers are widely used in drug delivery for enhancing bioavailability, molecular targeting, and sustained release. However, challenges such as premature drug release, low drug loading capacity, and poor stability need to be addressed for wider clinical utility. Future studies should focus on exploring their full potential in the treatment and diagnosis of diseases.
JOURNAL OF CONTROLLED RELEASE
(2021)
Review
Chemistry, Multidisciplinary
Ramya Kumar, Cristiam F. Santa Chalarca, Matthew R. Bockman, Craig Van Bruggen, Christian J. Grimme, Rishad J. Dalal, Mckenna G. Hanson, Joseph K. Hexum, Theresa M. Reineke
Summary: The development of genome editing has revolutionized the treatment of various debilitating diseases, with promising clinical prospects for gene therapy. While polymeric vectors offer great potential in efficient nucleic acid delivery, their clinical translation still faces significant challenges. Interdisciplinary approaches and fundamental question-driven methodologies are essential for designing high-performing polymeric vehicles for gene therapy.
Article
Polymer Science
Chao Lv, Jia Gao, Kun An, Jingjing Nie, Junting Xu, Binyang Du
Summary: A series of pH-sensitive and thermosensitive amphiphilic pentablock copolymers were self-assembled into micelles with different morphologies and structures, exhibiting varying thermosensitive behavior and nanostructures under different pH conditions.
Article
Chemistry, Physical
Qun Yu, De-chang Li, Zhengbin Tian, Chongzhi Zhu, Chengli Jiao, Qian Zhang, Yanping Chen, Yihan Zhu, Heqing Jiang, Jian Liu, Guang-Hui Wang
Summary: In this study, a facile and scalable method for synthesizing single-hole hollow carbon nanospheres (HCH) using poly(ethylene glycol) (PEG)-assisted emulsion templating is developed. The HCH exhibits higher adsorption capacities and faster adsorption rates, indicating the enhancement of liquid-phase adsorption induced by the single-hole hollow structure.
CHEMISTRY OF MATERIALS
(2022)
Article
Chemistry, Physical
Jie Bai, Jie Wang, Yecheng Feng, Yongfang Yao, Xubo Zhao
Summary: Polymeric micelles from block copolymers have been studied for cancer drug delivery. The challenge lies in creating stable micelles in biological fluids and unstable micelles at tumor sites. This study proposes a design idea for tunable stability by using zinc coordination-induced core-crosslinked polymeric micelles. The drug-loaded core-crosslinked micelles can disassemble and release cargos in slightly acidic environments, showing adequate toxicity for cancer therapy.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2022)
Article
Medicine, Research & Experimental
Lea P. Gergely, Cigdem Yuceel, Umit Isci, Florentin S. Spadin, Lukas Schneider, Bernhard Spingler, Martin Frenz, Fabienne Dumoulin, Martina Vermathen
Summary: In this study, PVP and F127 micelles were found to have high encapsulation abilities for water-soluble zinc phthalocyanine molecules and efficiently catalyze singlet oxygen formation. This result suggests that polymeric micelles can serve as effective delivery systems to optimize the performance of phthalocyanine molecules as photosensitizers.
MOLECULAR PHARMACEUTICS
(2023)
Article
Polymer Science
Xuan Feng, Nan Yan, Jing Jin, Wei Jiang
Summary: The disassembly process of amphiphilic AB block copolymers in selective solvents was investigated using molecular dynamic simulation. The disassembly is controlled by thermodynamic processes that depend on the instability of the system. Bx can be converted to Ax in A2BxB18-x diblock copolymers by external stimuli, and the instability induced by Bx conversion is a function of x. Increasing x leads to the disassembly of the initial vesicles into various structures. In addition, the Bx conversion rate and the amount of converted polymer chains also affect the disassembly process.
Review
Pharmacology & Pharmacy
Irina Negut, Bogdan Bita
Summary: Concurrent developments in anticancer nanotechnological treatments have been observed as the burden of cancer increases every year. The advancement in the field of material science and nanomedicine has led to improved drug delivery systems with proven efficacy and fewer side effects. Various intelligent nanomedicines are being created using lipids, polymers, and inorganic and peptide-based nanomedicines. Thorough knowledge of these nanomedicines is crucial for developing very promising drug delivery systems. Polymeric micelles are simple to make and have high solubilization characteristics, making them a promising alternative in nanosystems for cancer treatment.
Review
Chemistry, Multidisciplinary
Balaram Ghosh, Swati Biswas
Summary: Polymeric micelles are extensively used for delivering poorly soluble chemotherapeutic agents in cancer treatment. These micelles can be easily tailored by self-assembly of amphiphilic polymers to optimize drug loading, stability, and delivery to target tissues. The current trend focuses on developing various block polymeric micelles and stimuli-sensitive micelles to enhance therapeutic activity.
JOURNAL OF CONTROLLED RELEASE
(2021)
Article
Chemistry, Physical
Zhongjie Fei, Mehdi Yoosefian
Summary: This study investigates the assembly mechanism of Ribociclib encapsulated by DPC micelle using all-atom molecular dynamics simulations. The main forces involved in the drug encapsulation process are hydrophobic and van der Waals interactions, with hydrogen bonding and electrostatic interactions also contributing. Solvent accessible surface area and radial distribution function analyses show that DPC micelles can improve the aqueous solubility of hydrophobic drugs, providing a new pathway for designing drug delivery systems with necessary properties.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Chemistry, Multidisciplinary
Yan Wang, Dominique M. E. Thies-Weesie, Esmeralda D. C. Bosman, Mies J. E. van Steenbergen, Joep van den Dikkenberg, Yang Shi, Twan Lammers, Cornelus F. van Nostrum, Vim Hennink
Summary: The size of polymeric micelles can be easily adjusted by altering the formulation properties and processing parameters. The molecular weight ratio of the hydrophilic/hydrophobic block, presence of homopolymers, and choice of solvents all influence the micelle size. The use of tetrahydrofuran and acetone as solvents results in larger micelles, while the addition of dimethylformamide to an aqueous solution and faster mixing using microfluidics promotes the formation of smaller micelles.
JOURNAL OF CONTROLLED RELEASE
(2022)
Review
Polymer Science
Suguna Perumal, Raji Atchudan, Wonmok Lee
Summary: This review discusses the self-assembly of amphiphilic polymers into micelles (polymeric nanoparticles) and their importance in bio-applications. Micelles, with their unique properties, size, shape, and biocompatibility, enhance drug loading and target release, making them a research focus in the field of biomedicine.
Article
Biochemistry & Molecular Biology
Jing Yu, Kai Xu, Xiaojing Chen, Xiaodan Zhao, Yuxuan Yang, Dake Chu, Yongliang Xu, Qiang Zhang, Yanfeng Zhang, Yilong Cheng
Summary: In this study, an advanced hydrogel was prepared through one-pot free-radical copolymerization, demonstrating excellent mechanical properties and biocompatibility, with vast potential in biomedical and flexible electronic applications.
Article
Instruments & Instrumentation
Rosario Pignatello, Roberta Corsaro, Angela Bonaccorso, Elide Zingale, Claudia Carbone, Teresa Musumeci
Summary: This study characterized Soluplus(R) nanomicelles to enhance the apparent solubility of drugs in BCS class II. The prepared nanomicelles showed small and stable particle size and could be easily filtered. The freeze-dried powder materials maintained the micelle size upon reconstitution. Additionally, the nanomicelles demonstrated potential applications in topical ocular administration.
DRUG DELIVERY AND TRANSLATIONAL RESEARCH
(2022)
Article
Materials Science, Multidisciplinary
Kalipada Manna, Priyapratim Patra, Arpita Roy, Rakesh Kumar Roy, Krishna Chaitanya Sunka, Santanu Dhara, Niladri Patra, Sagar Pal
Summary: Biopolymeric micelles derived from bioinspired amphiphilic polymers have attracted attention as carriers for hydrophobic drugs. In this study, a hydrophobic monomer was synthesized and grafted onto a hydrophilic polymer backbone to obtain an amphiphilic copolymer. The copolymer showed controlled polymerization and pH-responsive reversible micellization behavior. The micelle formed from the copolymer was able to uptake and release a hydrophobic drug in a controlled manner.
ACS APPLIED POLYMER MATERIALS
(2022)
Article
Biophysics
Cristina Potrich, Anna Pedrotti, Cecilia Pederzolli, Lorenzo Lunelli
Summary: This study developed different functional surfaces for capturing exosomes and verified their effectiveness through experiments. Among them, the negatively-charged surface performed the best, capturing a large number of exosomes and successfully analyzing their biomarkers.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2024)
Article
Biophysics
Brojendra Nath Saren, Srushti Mahajan, Mayur Aalhate, Rahul Kumar, Essha Chatterjee, Indrani Maji, Ujala Gupta, Santosh Kumar Guru, Pankaj Kumar Singh
Summary: This study developed P-selectin-targeted dasatinib nanoparticles coated with chitosan and fucoidan (DST-CH-FUC-NPs), which showed sustained release, reduced hemolytic potential, increased cytotoxicity and cellular uptake compared to free dasatinib. These nanoparticles also demonstrated enhanced ROS production, mitochondrial membrane potential damage, apoptosis induction, cell migration inhibition, and disruption of lysosomal membrane integrity.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2024)
Article
Biophysics
Weiping Deng, Xiaohui Li, Ya Li, Zhongbing Huang, Yulin Wang, Ning Mu, Juan Wang, Tunan Chen, Ximing Pu, Guangfu Yin, Hua Feng
Summary: This study demonstrates the importance of chirality in nerve repair by constructing a GO-phenylalanine derivative hydrogel system. In vivo experiments show that the dextro group significantly improves functional recovery and histological restoration in rat sciatic nerve repair models. The doped GO promotes angiogenesis and myelination. These results suggest that chirality plays a crucial role in promoting nerve regeneration.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2024)
Article
Biophysics
Xiaoyan Wang, Jin Gao, Yu Gao, Linlin Zhang, Congchao Xu, Qintong Li, Lin Li, Jianliang Xue
Summary: In this study, a highly effective surfactant producer strain, Bacillus Cereus GX7, was isolated from the oil tank bottom sludge of Shengli Oil Field in China. The biosurfactant produced by GX7 was identified as surfactin, a lipopeptide surfactant, through TLC, FT-IR, and LC-MS/MS analysis. The fermentation process of GX7 was optimized using single-factor experiments, focusing on the composition of fermentation medium and fermentation conditions. Glucose and peptone were found to be the best carbon and nitrogen sources, and the optimum temperature, inoculum amount, pH, rotation speed, and fermentation time for the strain were determined to be 30°C, 1%, 7.5, 150 rpm, and 48 h, respectively. After optimization, the surface tension and emulsification index of the fermentation broth were 26.84 mN/m and 57.84%, respectively. Furthermore, the biosurfactant produced by GX7 demonstrated good stability over a wide range of temperature, pH, and salt concentration.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2024)
Article
Biophysics
Rodney Marcelo do Nascimento, Christine Grauby-Heywang, Houssem Kahli, Nesrine Debez, Laure Beven, Ivan Helmuth Bechtold, Touria Cohen Bouhacina
Summary: This article presents a theoretical model based on thermodynamic rules to assess the early stages of bacterial biofilm formation on different material surfaces. By utilizing morphological characteristics of bacteria and Atomic Force Microscopy images, the model generates a dataset of energetically minimized states, which can be correlated with bacterial adhesion states.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2024)
Article
Biophysics
Filipa A. L. S. Silva, Licinia Timochenco, Raquel Costa-Almeida, Jose Ramiro Fernandes, Susana G. Santos, Fernao D. Magalhaes, Artur M. Pinto
Summary: The study demonstrates that by photoreducing nanosized graphene oxide using ultraviolet radiation, nanometric particles with high light-to-heat conversion efficiency and water stability can be obtained. These nanomaterials exhibit high absorption in the near-infrared region and show no cytotoxicity towards human cells, indicating their potential for safe therapy.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2024)
Article
Biophysics
D. Costa, V. De Matteis, F. Treso, G. Montani, M. Martino, R. Rinaldi, M. Corrado, M. Cascione
Summary: This review primarily discusses the relationship between contact lens discomfort (CLD) and the surface properties of contact lenses (CLs), specifically the coefficient of friction (CoF). The review emphasizes the importance of introducing a standardized protocol for measuring CoF and calls for a more precise evaluation of the relationship between surface properties and comfort in CLs users.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2024)
Article
Biophysics
Debdip Brahma, Tamal Sarkar, Rupal Kaushik, Akshay Narayan Sarangi, Amar Nath Gupta
Summary: This in-vitro study evaluates the effect of reactive oxygen species (ROS) on the structural rearrangement of elastin. The results show that oxidative stress leads to a decrease in protein size and changes in secondary structure, potentially promoting protein aggregation. This study is important for therapeutics aiming to prevent elastin degradation and aging.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2024)
Article
Biophysics
Xin Yang, Qiang Wang, Chaoxi Yan, Degang Huang, Yinchang Zhang, Huazheng He, Shouliang Xiong, Congming Li, Pingbo Chen, Tingjun Ye, Dan Hu, Lei Wang
Summary: This study presents a practical and effective strategy to improve osseointegration in patients with osteoporosis. By coating titanium implants with polydopamine followed by strontium modification, the bi-functional implants promote bone regeneration and immune regulation. The results show good biocompatibility, sustained release of strontium ions, and stable osseointegration between bone tissues and implants.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2024)
Article
Biophysics
Sengwang Fu, Jianping Zhu, Zhijun Jiang, Yue Cao, Yufei Chen, Lihao Zhang, Sunlong Li, Weipeng Lu, Chengbin Miao, Qing He, Qi Li, Weixing Zhang, Lehao Ren, Yachun Li, Hongchao Shi, Cihui Liu
Summary: Effective management of biofluids is crucial for in vivo surgical interventions. Recent advances include self-sealing needles, drug-eluting stents, and shear-thinning hydrogels. However, complications associated with intestinal mucosal injury and secondary damage still persist. In this study, researchers developed an interpenetrating Janus wettability stent coating that enables unidirectional draining of excessive biofluid. They also demonstrated directional biofluid movement using a self-pumping dressing with potential applications in biofluid collection and disease diagnosis through metal ion detection. This integrated system presents an opportunity for designing wound dressings with effective biofluid management and metal ion detection capabilities.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2024)
Article
Biophysics
Maryam Hassani, Mojtaba Kamankesh, Mazda Rad-Malekshahi, Kobra Rostamizadeh, Farhad Rezaee, Ismaeil Haririan, Seyed Mojtaba Daghighi
Summary: Bacterial adhesion and biofilm formation on the surface of biomaterial implants is a critical problem, and a polymer brush coating with antiadhesive and antimicrobial properties has proven to be highly effective in resolving this issue.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2024)
Article
Biophysics
Huaihong Zhang, Na Liu, Yuting Zhang, Hui Cang, Zhaosheng Cai, Ziqun Huang, Jun Li
Summary: A functionalized cationic polymer, CR-PQAC, was designed and synthesized for photothermal enhanced antimicrobial therapy. The CR-PQAC nanoparticles exhibited significant antibacterial activity and low cytotoxicity against mammalian cells.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2024)
Article
Biophysics
Ipsita Sahu, Priyadarshi Chakraborty
Summary: Peptide nanotechnology bridges the gap between materials and biological worlds by utilizing self-assembly of short-peptide building blocks. Hydrogels engineered from these short peptides show great potential in biomedical applications, but their weak mechanical properties and limited functional diversity need to be addressed. Nanoengineering the networks of these hydrogels by incorporating small molecules, polymers, and inorganic/carbon nanomaterials can enhance their mechanical properties and expand their functional diversity.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2024)
Article
Biophysics
Hao Wei, Yajun Gu, Ao Li, Panpan Song, Dingding Liu, Feihu Sun, Xiaofeng Ma, Xiaoyun Qian
Summary: In this study, a stable three-dimensional conductive hydrogel was prepared by cross-linking MXenes to Matrigel hydrogel. The conductive hydrogel promotes the proliferation and differentiation of NSCs, providing new strategies for neural tissue engineering.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2024)
Article
Biophysics
Yue Zhong, Xiaoli Ge, Juan Zhang, Qun Wei, Feng Wang, Yongke Zhong
Summary: The effect of oxygenic groups on the hemocompatibility of activated carbon was studied through liquid-phase oxidation and subsequent heat treatment. Results showed that the presence of oxygenic groups improved hemocompatibility, while their removal decreased it.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2024)