Showing 3,241 - 3,260 results of 3,268 for search '"polymers"', query time: 0.08s Refine Results
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  6. 3246

    Microplastic contamination in different tissues of commercial fish in estuary area by N.D. Takarina, O.M. Chuan, A. Adiwibowo, F.N.A. Jeffery, N.Z.A.B.N.M. Zamri, M.A. Adidharma

    Published 2024-10-01
    “…Raman spectroscopy was applied to verify the polymer of microplastic. Statistical analysis was conducted to evaluate variations in microplastic levels at the individual level across these  fish species.FINDINGS: The findings indicated the presence of microplastics in the muscle, gastrointestinal tract, and gills of three commercially caught fish from Blanakan, with the muscle being identified as the edible part and the gastrointestinal tract and gills as the non-edible parts. …”
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  7. 3247

    Microplastics contamination in two peripheral fish species harvested from a downstream river by M.R. Maulana, S. Saiful, Z.A. Muchlisin

    Published 2023-04-01
    “…Based on the peak values, the presence of two polymer types was suspected, namely polyethylene, and polypropylene.CONCLUSION: Fiber and film microplastics were found in the digestive tract of mullet and bagok catfish, where the number of particles was most abundant in the mullet. …”
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  8. 3248

    Investigation of the effect of extrusion process parameters and filler loading on the performance of LDPE composites reinforced with eggshell powder by Yasith S. Perera, Mohammad Naaib, Nisal Ariyasinghe, Chamil Abeykoon

    Published 2025-03-01
    “…Eggshells are a household waste material that contributes to landfill waste. Polymer composites reinforced with eggshell powder can be produced in large scale with melt blending using twin-screw extrusion, which can aid in reducing eggshell waste. …”
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  9. 3249

    Development of Cephradine-Loaded Gelatin/Polyvinyl Alcohol Electrospun Nanofibers for Effective Diabetic Wound Healing: In-Vitro and In-Vivo Assessments by Anam Razzaq, Zaheer Ullah Khan, Aasim Saeed, Kiramat Ali Shah, Naveed Ullah Khan, Bouzid Menaa, Haroon Iqbal, Farid Menaa

    Published 2021-03-01
    “…Electrospinning is one of the most widely used techniques for the fabrication of nanofibers (NFs), induced by a high voltage applied to a drug-loaded polymer solution. Particular attention is given to electrospun NFs for pharmaceutical applications (e.g., original drug delivery systems) and tissue regeneration (e.g., as tissue scaffolds). …”
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  10. 3250

    Human Factors Studies to Assess the Usability of the Faricimab Prefilled Syringe by Barakat MR, Kwong Jr HM, Marcon G, O'Leary OE, Paris LP, Schneider P, Tang Y, Graff JM

    Published 2025-02-01
    “…Participants’ ability to complete tasks related to package handling, dose preparation, and injection of a faricimab 6 mg dose into a polymer eye using the PFS was assessed. In a second Phase 3b, single-arm, actual-use study, the ability of seven retina specialists and six ophthalmic assistants to prepare and administer the PFS in accordance with the instructions for use was assessed. …”
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  11. 3251

    Tetrazenyl-, Imido-, and Azidoaluminate Derivatives of a Sterically Demanding Bis-Silazide Ligand by Han-Ying Liu, Ryan J. Schwamm, Jakub Kenar, Mary F. Mahon, Michael S. Hill

    Published 2025-01-01
    “…Attempts to synthesise the azide [{SiN<sup>Dipp</sup>}AlN<sub>3</sub>] by reaction of [{SiN<sup>Dipp</sup>}AlI] with an excess of KN<sub>3</sub> resulted in exclusive formation of the bis(azido)aluminate [{SiN<sup>Dipp</sup>}Al(N<sub>3</sub>)<sub>2</sub>K], which crystallises as an infinite 1-dimensional polymer propagated by μ-(1,3)-N<sub>3</sub> bridging interactions between the potassium cations and azide anions. …”
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    Smart packaging tools for selected Indian traditional buffalo milk products: a case for on-package freshness indicators by Narender Raju Panjagari, Ashish Kumar Singh, Sangita Ganguly, Rajan Sharma, Vivek Sharma

    Published 2023-11-01
    “…The prerequisites for developing freshness indicators were to identify the critical volatile headspace markers using solid phase microextraction (SPME) coupled with gas chromatography-mass spectrometry (GC-MS) for the respective dairy products, selection of suitable innovative ink components, namely dyes (methyl red, and methyl red sodium salt), plasticizer (glycerol), choose appropriate polymer support (methylcellulose, polyvinyl alcohol or paper), and adopt a suitable production technique such as casting, dipping, or electrospinning. …”
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    Fusidic Acid and Lidocaine-Loaded Electrospun Nanofibers as a Dressing for Accelerated Healing of Infected Wounds by Alsulami KA, Bakr AA, Sirwi A, Elfaky MA, Shaik RA, Alshehri BY, Aodah AH, Al Fayez N, Alshehri AA, Almughem FA, Halwani AA, Tawfik EA

    Published 2025-01-01
    “…Khulud A Alsulami,1 Abrar A Bakr,1 Alaa Sirwi,2 Mahmoud A Elfaky,2 Rasheed A Shaik,3 Bayan Y Alshehri,1 Alhassan H Aodah,1 Nojoud Al Fayez,1 Abdullah A Alshehri,1 Fahad A Almughem,1 Abdulrahman A Halwani,4,5 Essam A Tawfik1 1Advanced Diagnostics and Therapeutics Institute, Health Sector, King Abdulaziz City for Science and Technology (KACST), Riyadh, 11442, Saudi Arabia; 2Department of Natural Products, Faculty of Pharmacy, King Abdulaziz University, Jeddah, 21589, Saudi Arabia; 3Department of Pharmacology and Toxicology, Faculty of Pharmacy, King Abdulaziz University, Jeddah, 21589, Saudi Arabia; 4Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah, 21589, Saudi Arabia; 5Regenerative Medicine Unit, King Fahad Medical Research Center, King Abdulaziz University, Jeddah, 21589, Saudi ArabiaCorrespondence: Essam A Tawfik, Email etawfik@kacst.gov.saIntroduction: Wound treatment is a significant health burden in any healthcare system, which requires proper management to minimize pain and prevent bacterial infections that can complicate the wound healing process.Rationale: There is a need to develop innovative therapies to accelerate wound healing cost-effectively. Herein, two polymer-based nanofibrous systems were developed using poly-lactic-co-glycolic-acid (PLGA) and polyvinylpyrrolidone (PVP) loaded with a combination of an antibiotic (Fusidic acid, FA) and a local anesthetic (Lidocaine, LDC) via electrospinning technique for an expedited healing process by preventing bacterial infections while reducing the pain sensation.Results: The fabricated nanofibers showed an excellent morphology with an average fiber diameter of 556 ± 71 nm and 291 ± 87 nm for the dual drug-loaded PLGA/PVP and PVP nanofibers, respectively. …”
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  19. 3259

    Silk Protein Gene Engineering and Its Applications: Recent Advances in Biomedicine Driven by Molecular Biotechnology by Ji X, Li Y, Wang J, Wang G, Ma B, Shi J, Cui C, Wang R

    Published 2025-01-01
    “…Xingxiang Ji,1,&ast; Yanyan Li,2,&ast; Jingsheng Wang,3,&ast; Gang Wang,3,&ast; Bin Ma,4 Jingfei Shi,5 Chao Cui,6,7 Ruiming Wang1 1State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan, Shandong, 250353, People’s Republic of China; 2Key Laboratory of Maternal & Fetal Medicine of National Health Commission of China, Shandong Provincial Maternal and Child Health Care Hospital Affiliated to Qingdao University, Jinan, 250014, People’s Republic of China; 3Department of Cardiovascular Medicine, The Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong, 271000, People’s Republic of China; 4Department of Cardiovascular Medicine, Taian City Taishan District People’s Hospital, Taian, Shandong, 271000, People’s Republic of China; 5Department of Clinical and Basic Medicine, Shandong First Medical University, Jinan, Shandong, 250000, People’s Republic of China; 6Scientific Research Department, Qilu Hospital of Shandong University Dezhou Hospital, Dezhou, Shandong, 253000, People’s Republic of China; 7Department of Pharmacy, The Affiliated Taian City Central Hospital of Qingdao University, Taian, Shandong, 271000, People’s Republic of China&ast;These authors contributed equally to this workCorrespondence: Chao Cui, Scientific Research Department, Qilu Hospital of Shandong University Dezhou Hospital, Dezhou, Shandong, 253000, People’s Republic of China, Email hbkjcuichao@126.com Ruiming Wang, State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan, Shandong, 250353, People’s Republic of China, Email ruiming3k@163.comAbstract: Silk protein, as a natural polymer material with unique structures and properties, exhibits tremendous potential in the biomedical field. …”
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