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Найденный: 6 Экземпляр 0.002 sn
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Найденный: 6 Экземпляр 0.002 sn
Издатель : Springer ✕Источник : Polymer Bulletin ✕
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Evaluation of particle biosynthesis, p(Okra) particle bioactivity, and drug release properties using Abelmoschus esculentus (okra) plant extract

Nahit AKTAŞ

Interest in synthesizing functional materials from natural compounds has increased recently. For this reason, compound particles attract attention due to their multifunctional properties. Abelmoschus esculentus L. (Okra) is a vegetable species belonging to the Hibiscus family, widely used for its edible unripe fruit. This study synthesized the particle from the Abelmoschus esculentus (Okra) extract (Oe) by emulsion polymerization. In this synthesis, ammonium persulfate (APS, initiator) to form free radicals at the Abelmoschus esculentus (Okra) extract (Oe) and ethylene glycol di methacrylate t ...Более

Статья 2023 Mühendislik Fakültesi Polymer Bulletin81 ( 5 ) 36 Просмотры
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The efficiency of cationic-based hydrogels in heavy metal removal from wastewater

Bakıt BORKOYEV | Kalıypa SALİYEVA

The present study draws attention to arsenic (V) (As(V)), chromium (III) (Cr(III)), and chromium (VI) (Cr(VI)) heavy metal pollutants, which have negative effects on aquatic ecosystems and indirectly pose a serious threat to the health of living things in the environment. Homopolymer and copolymer hydrogels were synthesized by the UV polymerization technique using 2-acrylamido-2-methyl-1-propansulfonic acid sodium salt (AMPS) and 3-acrlylamidopropil-trimethyl ammonium chloride monomers, and a crosslinker aimed to improve the swelling properties and metal sorption of the prepared hydrogels. The ...Более

Статья 2023 Mühendislik Fakültesi Polymer Bulletin81 ( 8 ) 31 Просмотры
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Evaluation of poly(agar-co-glycerol-co-castor oil) organo-hydrogel as a controlled release system carrier support material

Nahit AKTAŞ

The aim of this study was to synthesize organo-hydrogels, by using agar, glycerol and different amounts of castor oil in one step, with biocompatible, blood-compatible and antioxidant properties using a new approach to the synthesis of smart polymers. Then, the target was to investigate the applicability of these organo-hydrogels as a drug release system. In the synthesis of organo-hydrogels, crosslinking was achieved with MBA or GA reagent and the redox polymerization technique was applied in the emulsion medium. The swelling behaviors of organo-hydrogels, which were synthesized using differe ...Более

Статья 2021 Mühendislik Fakültesi Polymer Bulletin79 ( 8 ) 58 Просмотры
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Superabsorbent hydrogels based on N,N-dimethylacrylamide and maleic acid for applications in agriculture as water purifier and nitrogen carrier

Nahit AKTAŞ

To reduce water pollution caused by fertilizers in agricultural irrigation, highly swelling crosslinked hydrogels (p(DMAAm-co-MA) or DM1) based on N,N-dimethylacrylamide (DMAAm) and maleic acid (MA) were prepared using a chemical initiator with the redox polymerization technique. Negative and positive surface modifications of DM1 were achieved using hydrochloric acid (HCl) (p(DMAAm-co-MA)/HCl or DM2) and sodium hydroxide (NaOH) (p(DMAAm-co-MA)/NaOH or DM3), respectively. The synthesized hydrogels were named DM1, DM2 and DM3, respectively. The swelling properties, urea sorption and urea release ...Более

Статья 2021 Mühendislik Fakültesi Polymer Bulletin79 ( 10 ) 96 Просмотры
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Synthesis and characterization of biocompatible poly(maleic acid-co-citric acid) microparticles as a smart carrier for thiamine

Nahit AKTAŞ

Novel biocompatible homo and co-polymeric microparticles were synthesized from maleic acid (MA) and citric acid (CA) for uptake/release thiamine as a model drug. Surfactant-free self-emulsion polymerization technique was accomplished to synthesize the microparticles in a single step. The antimicrobial, antioxidant properties of those microparticles and their thiamine uptake/release capacities were investigated. Fourier transform infrared spectroscopy (FTIR), thermogravimetric analyzer (TGA), particle-size/zeta-potential (Zeta/DLS) and scanning electron microscopy (SEM) instruments were utilize ...Более

Статья 2020 Mühendislik Fakültesi Polymer Bulletin78 ( 11 ) 138 Просмотры
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Molecular imprinted polymers: important advances in biochemistry, biomedical and biotechnology

Kalıypa SALİYEVA | Bakıt BORKOYEV

Molecularly imprinted polymers (MIPs) are handmade receptors that mimic the binding of natural antibodies. In other words, MIPs can selectively bind to the target molecule and qualify as bio-inspired synthetic materials. Today, MIPs are used extensively and are being developed further for biological applications. High cost and time consuming techniques are compelling factors for the field of biochemistry, biomedicine and biotechnology (3B), and there is an urgent need for an alternative, cheap, easy to produce, fast and effective method in these fields. MIPs stand out as a promising way for th ...Более

Обзор 2024 Mühendislik Fakültesi Polymer Bulletin ( Published online: 27 March 2024 ) 23 Просмотры
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