Article
Food Science & Technology
Ponusa Songtipya, Theerarat Sengsuk, Ladawan Songtipya, Thummanoon Prodpran, Ekwipoo Kalkornsurapranee
Summary: The novel NR-PSA/CO patch showed good mechanical properties and antimicrobial effects, prolonging the storage life of banana cake with a slightly increasing release rate over time.
FOOD PACKAGING AND SHELF LIFE
(2021)
Article
Chemistry, Applied
Chang-An Xu, Mangeng Lu, Xiaohua Cui, Xiankun Wu, Enxiang Jiao, Ending Zhang, Kun Wu, Jun Shi
Summary: This study synthesized monomers with different carboxyl functional groups and introduced them into pressure sensitive adhesives (PSAs) through photo-polymerization, creating a series of tailored PSAs. The results showed that increasing the carboxyl groups on the benzene ring improved the adhesive properties, heat resistance, and carbon residue rate of the PSAs, mainly due to strengthened intermolecular interactions.
PROGRESS IN ORGANIC COATINGS
(2022)
Article
Nanoscience & Nanotechnology
Yongsen Zhou, Chao Zhang, Shouwei Gao, Wanbo Li, Ji-jung Kai, Zuankai Wang
Summary: A chemically functionalized PSA (f-PSA) with enhanced and phototunable underwater adhesion has been developed by incorporating an underwater adhesion enhancer (mussel-inspired catechol) and a photo-responsive functionality (anthracene) into a standard acrylic PSA matrix. This synergistic coupling secures sufficient interfacial molecular interactions and leads to enhanced underwater adhesion, while the efficient dimerization of anthracene via light-triggered cycloaddition facilitates the viscoelastic property of f-PSA, rendering it phototunable. The f-PSA is envisioned to open up more opportunities for applications such as underwater manipulation, transfer printing, and medical adhesives.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Pharmacology & Pharmacy
Ibrahim Alissa, Anroop B. Nair, Bandar Aldhubiab, Hiral Shah, Jigar Shah, Vivek Mewada, Rashed M. Almuqbil, Shery Jacob
Summary: The objective of this study was to formulate an adhesive-type transdermal patch of treprostinil and evaluate its performance both in vitro and in vivo. The optimized patch showed higher drug content, suitable surface morphology, and an absence of drug crystallization. It had adequate adhesion, caused no skin irritation, and displayed a steady drug release via Fickian diffusion. Transdermal therapy resulted in higher treprostinil absorption and relative bioavailability compared to oral administration. Overall, the developed adhesive patch could effectively deliver treprostinil through the skin and may be a promising treatment option for pulmonary arterial hypertension.
Article
Chemistry, Applied
Pengfei Lou, Xinyang Li, Miao Yao, Jun Nie, Yong He
Summary: With the development of the electronic information industry, pressure-sensitive adhesives (PSA) play an important role in protecting and processing electronic components. Research shows that incorporating liquid crystal polymers (LCP) into the acrylate PSA matrix can effectively improve the thermal debonding properties. Especially, the semi-interpenetrating network (semi-IPN) LCP PSA system achieves better debonding performance and higher peel strength after heat treatment.
PROGRESS IN ORGANIC COATINGS
(2023)
Article
Chemistry, Multidisciplinary
Hangzhou Wang, Xiaobin Li, Ending Zhang, Jun Shi, Xiaoyan Xiong, Chenguang Kong, Jianrong Ren, Cunzhi Li, Kun Wu
Summary: By introducing silicone modification and polyimide structure modification, the heat resistance and peel strength of waterborne polyurethane pressure-sensitive adhesive can be enhanced, thereby increasing its potential applications in high-temperature environments.
Article
Materials Science, Multidisciplinary
Yegor Piskarev, Etienne Desbouis, Vivek Ramachandran, Jiayi Yang, Neil Baugh, Jun Shintake, Michael D. Dickey, Dario Floreano
Summary: This study reports a simple and fast surface treatment approach using CO2 laser engraving to modify the adhesion of pressure-sensitive adhesives (PSAs). The researchers tested multiple laser settings for PSAs and different substrates, and conducted tests on mechanical properties and chemical composition to understand the changes in adhesion and viscoelasticity.
ADVANCED ENGINEERING MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Kuldeep Kuhar, Muhamed Jesbeer, Animangsu Ghatak
Summary: The study introduced a two-phase adhesive suitable for both dry and wet conditions, with a dispersed hydrogel phase within an elastomer matrix. Experiments revealed that the adhesion hysteresis of the two-phase adhesive was related to the content of dispersed phase and separation rate, and was attributed to intrinsic, rate-dependent interfacial interactions.
ACS APPLIED POLYMER MATERIALS
(2021)
Article
Engineering, Environmental
Woosung Jo, Kihoon Jeong, Young-Sam Park, Jeong-Ik Lee, Sung Gap Im, Taek-Soo Kim
Summary: In this study, a thermally stable yet soft pressure-sensitive adhesive (PSA) was synthesized via initiated chemical vapor deposition (iCVD), exhibiting excellent mechanical properties and reliability at the operating temperature of foldable devices.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Polymer Science
Wei Li, Xiao-Yan Ma, Jie Yan, Wei Zou, Wenjiang Zheng, Yanli Li, Yanli Liang
Summary: In this paper, a new pressure-sensitive adhesive was developed by introducing pentafluorophenyl group, which improves the adhesion performance with ePTFE. This adhesive exhibits high thermal stability, contact angle, peel strength, and shear holding power, making it suitable for adhesion challenges in complex environments.
JOURNAL OF APPLIED POLYMER SCIENCE
(2022)
Article
Polymer Science
Irene Marquez, Nuria Paredes, Felipe Alarcia, Jose Ignacio Velasco
Summary: This study investigated the preparation of pressure-sensitive adhesives with a constant monomeric composition using different processes to find the best balance between peel resistance, tack, and shear resistance. The results showed that adhesives prepared by physical blending and in situ emulsion polymerization exhibited differences in performance.
Article
Materials Science, Characterization & Testing
M. T. Elsmore, R. L. Atkinson, D. J. Irvine, S. M. Howdle, D. S. A. De Focatiis
Summary: A series of triblock copolymers with different hard block alpha-pinene methacrylate content and molecular weight and a butyl acrylate soft segment were synthesized and examined for their viability in pressure sensitive adhesive (PSA) applications. The morphologies of the copolymers varied, with some having pockets of hard phase dispersed within a continuous soft matrix and others having a lamellar with co-continuous phases structure. The evaluation of the structure-property relationship showed that short chain copolymers with 20-25 wt% poly(alpha-pinene methacrylate) exhibited similar tensile and adhesion performance to a commercial elastomer. Increasing the concentration of the hard phase led to increased ultimate tensile strength and stiffness, but also resulted in significant reductions in ultimate tensile strain, adhesive bond displacement, and vibrational dissipation. These sustainable materials can be tailored to produce PSAs with a range of useful properties.
Article
Nanoscience & Nanotechnology
Jialing Li, Sha Luo, Fenfang Li, Shengyi Dong
Summary: This article introduces a new type of pressure-sensitive adhesive that can be directly operated at low temperatures and exhibits excellent mechanical properties and adhesion capacity. The results of the study show that the adhesive has strong adhesion strength at -60 degrees Celsius and can stably adhere to various surfaces.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Materials Science, Multidisciplinary
Toby R. Palmer, Hanne M. van der Kooij, Rohani Abu Bakar, Callum D. McAleese, Mathis Duewel, Katja Greiner, Pierre Couture, Matthew K. Sharpe, Joseph L. Keddie
Summary: Research has found that the multilayer structure of PSA can be achieved through controlling the processing conditions in a single deposition process. By stratifying waterborne colloidal polymer particles, better adhesion properties can be achieved. This research will aid in the future development of layered or graded single-deposition PSAs with designed adhesive properties.
ACS APPLIED POLYMER MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Yan-Jie Wang, Yang He, Si Yu Zheng, Ziyang Xu, Jia Li, Yiping Zhao, Li Chen, Wenguang Liu
Summary: The loss factor tan delta determines the viscoelasticity of a material, with higher or lower values indicating viscous or elastic properties. Most polymer pressure-sensitive adhesives (PSAs) have limited operational temperature ranges, affecting their viscosity and elasticity. A new underwater PSA with short hydrophobic side chains and weak hydrogen bond interactions shows promising adhesion efficiency underwater over a temperature range of 0-100 degrees C, and with the addition of Teflon particles, the adhesion can operate under silicon oil up to 150 degrees C.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Materials Science, Textiles
Masoud Dadras Chomachayi, Atefeh Solouk, Hamid Mirzadeh
Summary: The study explored the fabrication process and properties of silk fibroin and gelatin nanofiber mat using the group method of data handling and response surface methodology models. The group method of data handling model was found to be more accurate in predicting the diameter and porosity of the nanofiber mat compared to the response surface methodology model.
JOURNAL OF INDUSTRIAL TEXTILES
(2021)
Article
Chemistry, Physical
Erfan Dashtimoghadam, Hamed Salimi-Kenari, Rasool Nasseri, Kenneth D. Knudsen, Hamid Mirzadeh, Bo Nystrom
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2020)
Review
Engineering, Biomedical
Maryam Farokhi, Mina Aleemardani, Atefeh Solouk, Hamid Mirzadeh, Andreas Herbert Teuschl, Heinz Redl
Summary: Silk fibroin hydrogels have strong biomimetic potential and are excellent candidates for tissue engineering due to their tunable properties. Different crosslinking strategies, either chemical or physical, can alter the structure of silk fibroin and improve its mechanical stability. However, each method has its own advantages and disadvantages, and the choice of method depends on the specific application requirements.
BIOMEDICAL MATERIALS
(2021)
Article
Engineering, Biomedical
Fatemeh Hejazi, Shadab Bagheri-Khoulenjani, Nafiseh Olov, Darya Zeini, Atefeh Solouk, Hamid Mirzadeh
Summary: This study introduces novel 3D-functionality graded nanofibrous scaffolds for osteoregeneration and chondral regeneration, showing promising potential for treating osteochondral defects. The scaffolds demonstrated improved physicochemical properties and biological performance, indicating a potential application in tissue engineering for bone and cartilage growth.
JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART A
(2021)
Article
Materials Science, Multidisciplinary
Shazia Naheed, Mohammad Zuber, Mehdi Barikani, Mahwish Salman
Summary: In this study, a series of polyurethane elastomers based on H12MDI/1,2-ethanediol with different molecular weights of polycaprolactone diols as soft segments were successfully synthesized by a two step technique. The crystallinity and hydrophilicity of the polymer films increased with longer soft segment chain lengths. Moreover, the degree of micro-phase separation was found to increase with higher molecular weights of polyols, as confirmed by XRD diffractogram results.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2021)
Article
Biophysics
Farinaz Jonidi Shariatzadeh, Atefeh Solouk, Shadab Bagheri Khoulenjani, Shahin Bonakdar, Hamid Mirzadeh
Summary: This study fabricated cryogels based on GelMA and HA with high porosity and mechanical strength for soft tissue engineering. Cryogelation at subzero temperature resulted in interconnected pores with 90% porosity, providing shape memory properties under compression.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2021)
Article
Biochemistry & Molecular Biology
Maryam Sahraro, Mehdi Barikani, Hamed Daemi, Payam Baei
Summary: In this study, multifunctional polyurethane nanoparticles (MPUNs) were embedded into methacrylated gellan gum to prepare stimuli-responsive hydrogels with improved mechanical properties. The optimized formulation showed excellent compression strength and ultimate strain, as well as the ability to restore its original shape after repeated compression tests. The hydrogels exhibited a dual physical and chemical crosslinking mechanism and were found to be non-toxic to human dermal fibroblast cells, making them suitable for soft tissue engineering applications.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2021)
Article
Materials Science, Multidisciplinary
Saeid Bahrami, Atefeh Solouk, Delphine Duprez, Hamid Mirzadeh
Summary: Scaffold microstructure significantly influences the response of mesenchymal stem cells, with aligned nanofiber scaffolds enhancing tendon and ligament regeneration at the cellular level. While all scaffold types support cell behavior similarly, aligned nanofibers notably upregulate tendon-related markers expression.
MACROMOLECULAR MATERIALS AND ENGINEERING
(2022)
Article
Dermatology
Fahimeh Abdollahimajd, Mohammad Reza Pourani, Hamid Mahdavi, Hamid Mirzadeh, Shima Younespour, Hamideh Moravvej
Summary: This study aimed to compare the clinical efficacy and safety of chitosan and nanosilver dressings in the treatment of refractory diabetic wounds. The results showed that both dressings had similar effectiveness and safety profiles. However, the relatively small sample size was a limitation of the study, and further research with larger sample sizes and longer follow-up periods is recommended.
DERMATOLOGIC THERAPY
(2022)
Article
Engineering, Biomedical
Nafiseh Olov, Hamid Mirzadeh, Roshanak Moradi, Sarah Rajabi, Shadab Bagheri-Khoulenjani
Summary: Shape-memory cryogels have been successfully developed as an injectable system with a super macroporous elastic structure. The cryogels demonstrate excellent mechanical properties, swelling behavior, and shape memory behavior. In vitro and in vivo studies confirm good cellular penetration, cell adhesion, and high cell viability, with no side effects observed for the liver and kidneys.
JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Maryam Farokhi, Atefeh Solouk, Hamid Mirzadeh, Anderaes Herbert Teuschl, Heinz Redl
Summary: An injectable hybrid hydrogel composed of silk fibroin (SF) and chondroitin sulfate (CS) has been synthesized, showing potential in cartilage repair. Adjusting the CS concentration can alter the properties of the hybrid hydrogel. The 0.25 wt% and 0.5 wt% SF/CS hydrogels demonstrate proper cell proliferation and expression of cartilage-specific genes.
MACROMOLECULAR MATERIALS AND ENGINEERING
(2023)
Article
Engineering, Biomedical
Bahar Asadi, Hamid Mirzadeh, Nafiseh Olov, Ali Samadikuchaksaraei, Raheleh Kheirbakhsh, Roshanak Moradi, Saeid Amanpour, Shadab Bagheri-Khoulenjani
Summary: This study focuses on using cryogelation as a versatile method to fabricate biomimetic scaffolds with improved mechanical strength and larger pore size, with potential for bone tissue engineering applications.
BIOINSPIRED BIOMIMETIC AND NANOBIOMATERIALS
(2023)
Article
Chemistry, Applied
Ehsan Avazverdi, Hamid Mirzadeh, Morteza Ehsani, Shadab Bagheri-Khoulenjani
Summary: The difference between inter-chain and intra-chain electrostatic attractions was investigated in polyelectrolyte and polyampholyte electrostatic complex formation. The study found that the behavior of the polyampholyte complex depended more on the ionic strength rather than the polyelectrolyte one. The inter-chain electrostatic interactions were determined to have an impact on the complex properties.
CARBOHYDRATE POLYMERS
(2023)
Article
Engineering, Biomedical
Fatemeh Hejazi, Hamid Mirzadeh, Shahrokh Shojaei
Summary: Tissue engineering has opened up new possibilities for biological tissue replacement. The main determinants in tissue engineering applications are scaffolds, appropriate cells, and signaling induction. Designing suitable scaffolds that mimic the natural environment of cells is crucial for cellular growth and proliferation. The fabrication of a straticulated structure with high surface/volume ratio shows potential for applications in tissue engineering and other fields.
PROGRESS IN BIOMATERIALS
(2023)
Review
Engineering, Biomedical
Nafiseh Olov, Shadab Bagheri-Khoulenjani, Hamid Mirzadeh
Summary: Tissue engineering, using a combination of living cells, bioactive molecules, and three-dimensional porous scaffolds, is a promising alternative to traditional treatments. Injectable scaffolds have advantages such as minimally invasive application, strong plasticity, and homogeneous cell distribution, making them widely used in bone and cartilage tissue regeneration.
PROGRESS IN BIOMATERIALS
(2022)
