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Güzelgülgen, Meltem
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01. Izmir Institute of Technology
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Sustainable Development Goals
1NO POVERTY
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2ZERO HUNGER
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3GOOD HEALTH AND WELL-BEING
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4QUALITY EDUCATION
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5GENDER EQUALITY
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6CLEAN WATER AND SANITATION
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7AFFORDABLE AND CLEAN ENERGY
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8DECENT WORK AND ECONOMIC GROWTH
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9INDUSTRY, INNOVATION AND INFRASTRUCTURE
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11SUSTAINABLE CITIES AND COMMUNITIES
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12RESPONSIBLE CONSUMPTION AND PRODUCTION
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14LIFE BELOW WATER
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16PEACE, JUSTICE AND STRONG INSTITUTIONS
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Scholarly Output
3
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2
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3946/1561
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1
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WoS Citation Count
104
Scopus Citation Count
110
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WoS Citations per Publication
34.67
Scopus Citations per Publication
36.67
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2
Supervised Theses
1
| Journal | Count |
|---|---|
| International Journal of Biological Macromolecules | 1 |
| Materials Science and Engineering C | 1 |
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Article Citation - WoS: 43Citation - Scopus: 46Glucuronoxylan-Based Quince Seed Hydrogel: a Promising Scaffold for Tissue Engineering Applications(Elsevier, 2021) Güzelgülgen, Meltem; Güzelgülgen, Meltem; Özkendir İnanç, Dilce; Yıldız, Ümit Hakan; Yıldız, Ümit Hakan; Arslan Yıldız, Ahu; Arslan Yıldız, Ahu; 04.01. Department of Chemistry; 01. Izmir Institute of Technology; 03.01. Department of Bioengineering; 03. Faculty of Engineering; 04. Faculty of ScienceNatural gums and mucilages from plant-derived polysaccharides are potential candidates for a tissue-engineering scaffold by their ability of gelation and biocompatibility. Herein, we utilized Glucuron-oxylanbased quince seed hydrogel (QSH) as a scaffold for tissue engineering applications. Optimization of QSH gelation was conducted by varying QSH and crosslinker glutaraldehyde (GTA) concentrations. Structural characterization of QSH was done by Fourier Transform Infrared Spectroscopy (MR). Furthermore, morphological and mechanical investigation of QSH was performed by Scanning Electron Microscopy (SEM) and Atomic Force Microscopy (AFM). The protein adsorption test revealed the suitability of QSH for cell attachment. Biocompatibility of QSH was confirmed by culturing NIH-3T3 mouse fibroblast cells on it. Cell viability and proliferation results revealed that optimum parameters for cell viability were 2 mg mi(-1)of QSH and 0.03 M GTA. SEM and DAPI staining results indicated the formation of spheroids with a diameter of approximately 300 pm. Furthermore, formation of extracellular matrix (ECM) microenvironment was confirmed with the Collagen Type-I staining. Here, it was demonstrated that the fabricated QSH is a promising scaffold for 3D cell culture and tissue engineering applications provided by its highly porous structure, remarkable swelling capacity and high biocompatibility. (C) 2021 Published by Elsevier B.V.Master Thesis Characterization and Utilization of Injectable Hydrogels for Tissue Engineering Applications(Izmir Institute of Technology, 2020) Arslan Yıldız, Ahu; Güzelgülgen, Meltem; Arslan Yıldız, Ahu; 01. Izmir Institute of Technology; 03.01. Department of Bioengineering; 03. Faculty of EngineeringTissue engineering combines the knowledge of the engineering aspects with life sciences to improve human health. Recent studies in tissue engineering have focused on investigating biocompatible scaffold materials and design. Quince seed hydrogel(QSH) has been used in traditional and modern medicine for skin wound and burn treatments, synovial lubrication, cough and asthma removal, and oral drug delivery with its antioxidant potential and biocompatible aspects. This thesis focuses on developing QSH and evaluating its potential as an injectable hydrogel in treating bone tissue defects as a totally new tissue scaffold and also as a promising tissue filling material. For this purpose, QSH scaffold optimization was carried out using various concentrations of hydrogel and crosslinkers which were glutaraldehyde(GTA) and 1-Ethyl-3-(3-dimethylaminopropyl)carbodiimide(EDC)/N-hydroxysuccinimide(NHS). Morphological and chemical analysis of QSH was done using SEM, FTIR, AFM, and protein adsorption test. Thus, porosity, swelling ratio, degradation rate and surface characteristics were evaluated. NIH-3T3 and SaOS-2 cell lines were utilized for 3D cell culture formation. Afterward, 3D spheroids were analyzed for cell viability and proliferation by using AlamarBlue and LiveDead assays, and also cell imaging technics. Results showed that QSH scaffolds did not show any cytotoxic effect on NIH-3T3 and SaOS-2 cells. The optimum results were achieved with 2mg/mL of QSH and 0.03M GTA concentrations; where 76.59µm average pore size, 56.8 fold water holding capacity and at least 80% cell viability was observed. Therefore, it was concluded that QSH has a high potential to promote tissue engineering applications with its injectable texture as a filling material.Article Citation - WoS: 61Citation - Scopus: 64Electrospun Gelma Fibers and P(hema) Matrix Composite for Corneal Tissue Engineering(Elsevier Ltd., 2021) Arıca, Tuğçe A.; Demir, Mustafa Muammer; Güzelgülgen, Meltem; Güzelgülgen, Meltem; Yıldız, Ahu Arslan; Arslan Yıldız, Ahu; Demir, Mustafa Muammer; 01. Izmir Institute of Technology; 03.09. Department of Materials Science and Engineering; 03.01. Department of Bioengineering; 03. Faculty of EngineeringThe development of biocompatible and transparent three-dimensional materials is desirable for corneal tissue engineering. Inspired from the cornea structure, gelatin methacryloyl-poly(2-hydroxymethyl methacrylate) (GelMA-p(HEMA)) composite hydrogel was fabricated. GelMA fibers were produced via electrospinning and covered with a thin layer of p(HEMA) in the presence of N,N?-methylenebisacrylamide (MBA) as cross-linker by drop-casting. The structure of resulting GelMA-p(HEMA) composite was characterized by spectrophotometry, microscopy, and swelling studies. Biocompatibility and biological properties of the both p(HEMA) and GelMA-p(HEMA) composite have been investigated by 3D cell culture, red blood cell hemolysis, and protein adsorption studies (i.e., human serum albumin, human immunoglobulin and egg white lysozyme). The optical transmittance of the GelMA-p(HEMA) composite was found to be approximately 70% at 550 nm. The GelMA-p(HEMA) composite was biocompatible with tear fluid proteins and convenient for cell adhesion and growth. Thus, as prepared hydrogel composite may find extensive applications in future for the development of corneal tissue engineering as well as preparation of stroma of the corneal material. © 2020 Elsevier B.V.