Browsing by Author "Şahiner, Nurettin"
Now showing items 1-20 of 41
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Alpha-Glucosidase Enzyme Immobilized Dextran-Co Metal Nanoparticle Cryogel Composite Systems as Dual Catalyst with Enhanced Stability and Catalytic Activity
Demirci, Şahin; Şahiner, Nurettin (John Wiley and Sons Inc, 2023)Here, dextran (Dex) cryogels were prepared and used for the immobilization of α-Glu enzyme via two different techniques of entrapment and covalent linking. The entrapment of α-Glu enzyme within Dex cryogels (α-GluE@Dex) ... -
Amine-modified halloysite nanotube embedded PEI cryogels as adsorbent nanoarchitectonics for recovery of valuable phenolic compounds from olive mill wastewater
Demirci, Şahin; Sağbaş Suner, Selin; Yılmaz, Selehattin; Bağdat, Sema; Tokay, Feyzullah; Şahiner, Nurettin (Elsevier Ltd, 2024)Here, natural tubular clays, halloysite nanotubes (Hal), were modified with ethylenediamine (EDA), triethylenetetramine (TETA), pentaethylenehexamine (PEHA), and polyethyleneimine (PEI) to enhance their adsorption capabilities ... -
Azot, fosfor ve kükürt içeren polimerik mikro ve nano partiküllerin sentezi ve çeşitli uygulamalarda kullanımları
Bütün Şengel, Sultan (Çanakkale Onsekiz Mart Üniversitesi, Lisansüstü Eğitim Enstitüsü, 2017)Yapılan tez çalışmasında, literatürde henüz yer almayan ve ticari olarak temin edilemeyen yapısında azot (N), fosfor (P), kükürt (S) ve bunların kombinasyonlarını içeren vinil/akrilat monomerleri sentezlenmiştir. Sentezlenen ... -
B, P, and S heteroatom doped, bio- and hemo-compatible 2D graphitic-carbon nitride (g-C3N4) with antioxidant, light-induced antibacterial, and bioimaging endeavors
Demirci, Şahin; Sağbaş Suner, Selin; Uğuz Neli, Özlem; Koca, Atıf; Şahiner, Nurettin (Institute of Physics, 2024)The synthesis of two-dimensional (2D) graphitic g-C3N4 and heteroatom-doped graphitic H@g-C3N4 (H: B, P, or S) particles were successfully done using melamine as source compounds and boric acid, phosphorous red, and sulfur ... -
Biocompatible Glycol Chitosan Microgels as Effective Drug Carriers
Şahiner, Mehtap; Yılmaz, Aynur Sanem; Ayyala, Ramesh S.; Şahiner, Nurettin (MDPI, 2023)Glycol chitosan (GC) is a chitosan (CH) derivative with improved water solubility with regards to CH which affords significant solubility advantages. In this study, microgels of GC as p(GC) were synthesized by a microemulsion ... -
Biodiverse Properties of Tannic Acid-Based Fibers
Şahiner, Mehtap; Kurt, Saliha B.; Şahiner, Nurettin (Springer, 2021)Tannic acid (TA) is a plant-based polyphenolic molecule with enticing anti-oxidant, anti-bacterial, antiinflammatory and anti-cancer features, making it a valuable material in bio-medicinal applications. To establish whether ... -
Biofouling and Mitigation Methods: A Review
Gizer, Görkem; Önal, Umur; Ram, Manoj; Şahiner, Nurettin (AMG Transcend Association, 2023)Biofouling accumulates living organisms on surfaces in contact with the water and causes significant economic, structural, and microbial problems on ship hulls, piers, oil rigs, power plants, pipework, water treatment ... -
Biyomedikal uygulamalar için ksantan, guar, arabik ve locust bean gamlardan makro, mikro ve nano yapılar
Sağbaş Suner, Selin (Çanakkale Onsekiz Mart Üniversitesi, Lisansüstü Eğitim Enstitüsü, 2018)Yapılan tez çalışmaları kapsamında biyomedikal uygulamalarda kullanılmak üzere doğal polisakkarit olan ksantan, guar, arabik ve locust bean gamlardan çapraz bağlı makro, mikro ve nano yapılar % 78,5 ile 100 arası değişen ... -
Carbon Tetrafluoride, Oxygen, and Air RF Plasma Modified Low-Density Polyethylene and Polydimethylsiloxane
Polat, Osman; Bhethanabotla, Venkat R.; Ayyala, Ramesh S.; Şahiner, Nurettin (Springer, 2023)Low-density polyethylene (LDPE) and polydimethylsiloxane (silicone or PDMS) were exposed to low-pressure air, oxygen (O2), and carbon tetrafluoride (CF4) plasma to modify their surfaces. Plasma power and irradiation time ... -
Cell Staining Microgels Derived from a Natural Phenolic Dye: Hematoxylin Has Intriguing Biomedical Potential
Şahiner, Mehtap; Sunol, Aydin K.; Şahiner, Nurettin (Multidisciplinary Digital Publishing Institute (MDPI), 2024)Hematoxylin (HT) as a natural phenolic dye compound is generally used together with eosin (E) dye as H&E in the histological staining of tissues. Here, we report for the first time the polymeric particle preparation from ... -
Chemically Cross-Linked Poly(β-Cyclodextrin) Particles as Promising Drug Delivery Materials
Demirci, Şahin; Khiev, Dawin; Can, Mehmet; Şahiner, Mehtap; Biswal, Manas R.; Ayyala, Ramesh S.; Şahiner, Nurettin (Amer Chemical Soc, 2021)One-pot synthesis of poly(β-cyclodextrin) (p(β-CD)) micro-/nanoparticles was accomplished using two different cross-linkers, divinyl sulfone (DVS) as p(β-CD)-1 and trimethylolpropane glycidyl ether (TMPGDE) as p(β-CD)-2. ... -
Chondroitin Sulfate-Based Cryogels for Biomedical Applications
Demirci, Şahin; Şahiner, Mehtap; Ari, Betül; Sunol, Aydın K.; Şahiner, Nurettin (MDPI, 2021)Cryogels attained from natural materials offer exceptional properties in applications such as tissue engineering. Moreover, Halloysite Nanotubes (HNT) at 1:0.5 weight ratio were embedded into CS cryogels to render additional ... -
Değişik Boyalar Yüklenmiş p(AMPS) Hidrojellerinin Optik Özelliklerinin ve Elektriksel İletkenliklerinin İncelenmesi
Demirci, Şahin; Şahiner, Nurettin; Sel, Kıvanç (Çanakkale Onsekiz Mart Üniversitesi, 2018-05)Bu çalışmada, öncelikle poli(2-akrilamido-2-metilpropan sülfonik asit) (p(AMPS)) türü hidrojeller sentezlenmiş ve sonrasında giemsa stain (GS), methylene blue (MB) ve rhodamin 6G (R6G) boya maddeleri ile yüklenmiştir. ... -
The effect of sulphur on the antibacterial properties of succinic acid-Cu(II) and mercaptosuccinic acid-Cu(II) MOFs
Gizer, Süleyman Görkem; Şahiner, Nurettin (Elsevier B.V., 2021)Microorganism such as bacteria, virus and fungi are causing significant health problems. Here, using succinic acid (SA) and mercaptosuccinic acid (MSA) as organic ligand and Cu(II) ions as complexing agent SA-Cu(II) and ... -
Force-Based Characterization of the Wetting Properties of LDPE Surfaces Treated with CF4 and H-2 Plasmas
Aktaş, Cihan; Polat, Osman; Beitollahpoor, Mohamadreza; Farzam, Melika; Pesika, Noshir S.; Şahiner, Nurettin (MDPI, 2023)Low-density polyethylene (LDPE) films are widely used in packaging, insulation and many other commodity applications due to their excellent mechanical and chemical properties. However, the water-wetting and water-repellant ... -
HA particles as resourceful cancer, steroidal and antibiotic drug delivery device with sustainable and multiple drug release capability
Şahiner, Nurettin; Suner, Selin S.; Kurt, Saliha B.; Can, Mehmet; Ayyala, Ramesh S. (Taylor & Francis Group, LLC, 2021)Hyaluronic acid (HA) particles with divinyl sulfone (DVS) crosslinking at 10% mole ratio (HA macromolecule repeating units) were prepared and demonstrated as versatile drug carriers with sustainable and long-term release ... -
Improved Biomedical Properties of Polydopamine-Coated Carbon Nanotubes
Demirci, Şahin; Şahiner, Mehtap; Sağbaş Suner, Selin; Şahiner, Nurettin (MDPI, 2021)Carbon nanotubes (CNTs) due to their outstanding mechanical, thermal, chemical, and optical properties were utilized as a base material and were coated with polydopamine (PDA) (PDA@CNT) via the simple self-polymerization ... -
Low-pressure plasma treated polycarbonate and polymethyl methacrylate (PMMA) sheets with different surface patterns to change their surface properties
Gizer, S. Görkem; Bhethanabotla, Venkat R.; Ayyala, Ramesh S.; Şahiner, Nurettin (Elsevier B.V., 2023)Low-pressure plasmas of carbon tetrafluoride (CF4), oxygen (O2), and air were used to treat the surfaces of polycarbonate (PC) and polymethyl methacrylate (PMMA) to achieve a variety of surface attributes, such as ... -
One step synthesis of an amino acid derived particles, poly(L-Arginine) and its biomedical application
Şahiner, Nurettin (John Wiley and Sons Ltd, 2022)Herein, single step synthesis of poly(L-Arginine) (p(L-Arg)) particles was reported for the first time via microemulsion crosslinking method using tetrakis(hydroxymethyl) phosphonium chloride (THPC) as the crosslinking ... -
PEI modified natural sands of Florida as catalysts for hydrogen production from sodium borohydride dehydrogenation in methanol
Inger, Erk; Demirci, Şahin; Can, Mehmet; Sunol, Aydin K.; Philippidis, George; Şahiner, Nurettin (John Wiley and Sons Ltd, 2021)Sand samples from Tampa (T) and Panama (P) City beaches in Florida were used as catalysts for dehydrogenation of NaBH4 in methanol. T and P sand samples were sieved to [removed]500 μm sizes, and the smallest fractions ...
