Nesrin Horzum

Nesrin Horzum
Izmir Katip Celebi Universitesi · Faculty of Engineering and Architecture

About

62
Publications
21,340
Reads
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1,227
Citations
Citations since 2016
49 Research Items
1003 Citations
2016201720182019202020212022050100150200
2016201720182019202020212022050100150200
2016201720182019202020212022050100150200
2016201720182019202020212022050100150200
Introduction
Skills and Expertise

Publications

Publications (62)
Article
Water quality monitoring is an increasing global concern as the pollution of water sources causes adverse effects on economic growth and human health. Traditional approaches to the detection of pollutants are time-consuming and labor-intensive due to the requirement of sophisticated equipment or laboratory settings. Therefore, portable devices feat...
Article
Algae are preferred feedstock because of their rich carbon content that can be used in biofuels, bioplastics, and health supplements. The cost effective, renewable, and sustainable algae or algal extracts are promising for the production of value-added biocomposite materials that possess antimicrobial, anticancer, therapeutic, and healing propertie...
Article
Full-text available
In this study, monthly heavy metal concentrations in the whole-body tissue of Patella caerulea (Mediterranean limpets), a bioindicator species living in the coastal zone of the Gulf of Izmit (Marmara Sea), were examined for the first time. The mean metal concentrations in Patella caerulea (mg kg-1 dw) were 2.01–5.74 Cd, 2.45–12.90 Cu, 0.74–1.95 Pb,...
Conference Paper
Full-text available
In this study, the effect of an acidic environment on the bending properties of hybrid composites was investigated. Instead of conventional glass fibre/epoxy and carbon fibre/epoxy polymer composite materials, glass-carbon fibre reinforced epoxy polymer (GCFREP) hybrid composite materials against the low strength of glass fibre and high cost of car...
Article
Full-text available
We report the fabrication of bio-based thermoplastic polyurethane (TPU) fibrous scaffolds containing essential oils (EO). The main goal of this study was to investigate the effects of essential oil type (St. John’s Wort oil (SJWO), lavender oil (LO), and virgin olive oil (OO))/concentration on the electrospinnability of TPU. The effects of applied...
Article
Accumulation of plastic wastes occupies large space in gyres of the oceans called the 7th continent. This high‐level concentration of toxic plastic wastes causes harmful consequences for marine life therefore petroleum‐originated plastics must be replaced (or at least partially) with natural resources. The environmental trends in material preparati...
Chapter
Meeting the increasing demand for energy and clean water, access to these resources has become an essential requirement of modern human life. Nanohybrid material engineering is significant for the development of functional materials which can be used as photocatalyst. By optimizing the size, shape, and surface properties of such nanostructures, the...
Article
Conventional enzyme-based glucose quantification approaches are not feasible due to their high cost, specific working temperatures, short shelf life, and poor stability. Therefore, a portable platform, which offers rapid response, cost-efficiency, and high sensitivity, is indispensable for the healthcare of diabetes. In this study, we proposed a po...
Article
Diabetes is a group of metabolic conditions resulting in high blood sugar levels over prolonged periods that affects hundreds of millions of patients worldwide. Measuring glucose concentration enables patient-specific insulin therapy, and is essential to reduce the severity of the disease, potential complications, and related mortalities. Recent ad...
Article
In today's digital age, the need and interest in personal and portable electronics shows a dramatic growth trend in daily life parallel to the developments in sensors technologies and the internet. Wearable electronics that can be attached to clothing, accessories, and the human body are one of the most promising subfields. The energy requirement f...
Article
Full-text available
The cutting-edge photovoltaic cells are an indispensable part of the ongoing progress of earth-friendly plans for daily life energy consumption. However, the continuous electrical demand that extends to the nighttime requires a prior deployment of efficient real-time storage systems. In this regard, metal-air batteries have presented themselves as...
Preprint
Full-text available
The cutting-edge photovoltaic cells are an indispensable part of the ongoing progress of earth-friendly plans for daily life energy consumption. However, the continuous electrical demand that extends to the night time requires a prior deployment of efficient real-time storage systems. In this regard, metal-air batteries have presented themselves as...
Article
Full-text available
Metal oxide nanofibers are prepared by electrospinning and are developed to be the electrodes for lithium-ion batteries (LIBs). The effect of calcination temperature and the Li:Co mole ratio of LiCoO2 nanofibers was investigated on the electrochemical cathode performance in a coin cell battery. The higher temperature calcination and Li:Co mole rati...
Article
Electrospun zinc oxide (ZnO) nanofibers have been significantly improved via a simple heat treatment modification. The present work reports an intriguing cost-effective microstructure tuning, by drastically dropping the temperature of the calcined sample during the cooling period, to get highly photocatalytically active ZnO nanofibers. The calcinat...
Chapter
In the last two decades, electrospinning has grown in popularity; however, the majority of the setups are based on solution processing from toxic organic solvents. As green processing and environmental stewardship have also become important in recent years, for political and economic reasons, the subsequent increase in demand for the scaling up of...
Chapter
Since large-scale plastic production has begun in the 1940s, plastics have been produced and used globally, bringing many advantages to modern life. The consumption of plastics has increased exponentially due to their low cost, chemical resistance, lightness, durability and ability to combine with other materials. However, plastic materials represe...
Chapter
“Green Electrospinning” not from only non-toxic solvents but also from biopolymer solutions has become popular in recent years. Green fibers are particularly interesting for biomedical applications such as tissue engineering, drug delivery, biocompatible scaffolds, biosensors, and for photovoltaics, supercapacitors, fuel cells, battery components a...
Article
Full-text available
Polimerik elektroeğirme lifler, yara iyileşme uygulamaları için iyi tasarımlı iskeleler sunmaktadır. Burada, kurkumin (Cur) içeren biyobazlı poliüretan (PU) karışım liflerin üretimi rapor edilmektedir. Yalnızca polimer konsantrasyonu değil, aynı zamanda kurkumin konsantrasyonu, fiberlerin morfolojisi, çapı ve temas açısı değerlerini etkilemiştir. M...
Article
Full-text available
The ongoing search for better antibacterial wound care dressings has led to the design and fabrication of advanced functional nanomaterials. Taking advantage of electrospinning and cold atmospheric plasma (CAP), free-standing nanofibrous scaffolds are promising for use in novel biomedical applications. Random and aligned polyvinyl alcohol (PVA)/pol...
Article
Full-text available
Abstract Optimization of nanofiber (NF) surface properties is critical to achieve an adequate cellular response. Here, the impact of conjugation of biomimetic aspartic acid (ASP) and glutamic acid (GLU) templated peptides with poly(lactic-co-glycolic acid) (PLGA) electrospun NF on osteogenic differentiation of human bone marrow-derived mesenchymal...
Article
Full-text available
Surgical site infections have a remarkable impact on morbidity, extended hospitalization and mortality. Sutures strongly contribute to development of surgical site infections as they are considered foreign material in the human body. Sutures serve as excellent surfaces for microbial adherence and subsequent colonization, biofilm formation and infec...
Data
Results of a pilot study to determine the NTAP time for decontamination experiments. Pilot experiment to determine the required NTAP treatment time for decontamination was carried out on PGLA sutures with E. coli. Number of surviving bacteria on sutures after NTAP treatment decreased with increasing treatment time. 3-minute NTAP treatment led to co...
Data
Results of a pilot study to determine the NTAP time for prevention of bacterial colonization on sutures. Pilot experiment to determine the required NTAP treatment time for for prevention of bacterial adhesion was carried out on PGLA sutures with E. coli. Number of surviving bacteria that adheres on sutures after NTAP treatment decreased with increa...
Data
XPS survey spectra of sutures. XPS survey spectra of (A) PGLA, (B) PGA, (C) PDO and (D) PGCL before and after 7-minute NTAP treatment. (PDF)
Article
Full-text available
We report on a simple synthesis of ZnO nanowires by calcination of zinc acetate. The effect of calcination temperature and cooling route on the antibacterial and photocatalytic properties is demonstrated by varying the size and surface area of the nanowires. Decrement in the calcination temperature followed by rapid cooling procedure leads to a sma...
Article
Full-text available
Water quality monitoring in resource-limited settings without access to a sophisticated laboratory requires the development of low cost and portable instrumentation. Herein, we propose a newly designed handheld reflection based smartphone sensing platform to detect Bisphenol-A (BPA), a well-known endocrine disruptor agent abundantly used in plastic...
Article
Full-text available
In this paper, we present a smartphone platform for colorimetric water quality detection based on the use of built-in camera for capturing a single-use reference image. A custom-developed app processes this image for training and creates a reference model to be used later in real experimental conditions to calculate the concentration of the unknown...
Article
Geothermal mining from brines becomes increasingly important with the increasing demand for rare earth elements in various engineering applications. Geothermal fluids contain valuable minerals and metals such as silica, zinc, lithium, and other materials that can be processed to recover these products. Solution mining by nature is challenging becau...
Chapter
The use of nanofibers with outstanding and multifunctional properties in various polymeric matrices has motivated the development of advanced nanocomposites. Electrospun nanofibers are excellent candidates for reinforcement elements because of their remarkable mechanical, thermal, and electric properties. This chapter provides an up-to-date account...
Article
A smartphone application based on machine learning classifier algorithms was developed for quantifying peroxide content on colorimetric test strips. The strip images were taken from five different Android based smartphones under seven different illumination conditions to train binary and multi-class classifiers and to extract the learning model. A...
Article
Full-text available
We report the application of machine learning to smartphone based colorimetric detection of pH values. The strip images were used as the training set for Least Squares-Support Vector Machine (LS-SVM) classifier algorithms that were able to successfully classify the distinct pH values. The difference in the obtained image formats was found not to si...
Article
Full-text available
We report the applicability of an ultra-low cost, field-deployable, plastic fiber based smartphone spectrometer system to study dye adsorption from water. A custom cradle using the smartphone's built-in flash and camera was designed for visible absorbance spectroscopy without any need for external electrical components. We firstly investigated the...
Article
Effects of plasma treatment to the random and aligned electrospun polyacrylic acid (PAA)/polyvinyl alcohol (PVA) nanofibers are studied. The surface properties of PAA/PVA nanofibers before and after atmospheric cold DBD (dielectric barrier discharge) air plasma treatment were analyzed by scanning electron microscopy (SEM) and contact angle measurem...
Article
Recent advances in clinical practice drive deoxyribonucleic acid (DNA) as an important class of biomarker. Monitoring the change in their concentration suggests the initiation and/or progression of various disorders. However, low quantity of DNA biomarkers in body fluids requires a delicate isolation methodology that provides efficient separation a...
Article
Since the dissolution of polyolefins is a chronic problem, melt processing has been tacitly accepted as an obligation. In this work, polypropylene (PP) was modified on molecular level incorporating poly(ethylene glycol) (PEG) as graft segment (PP-g-PEG) in a range of 6 to 9 mol%. Gold nanoparticles were nucleated in the presence of the copolymer ch...
Article
A turn-on fluorescence sensing system for mercuric (Hg 2 +) ions relying on a modified rhodamine B–chitosan fluorophore moi-ety was developed. This novel sensing approach relies on the simultaneous electrospinning of chitosan and rhodamine B hy-drazide with phenylisothiocyanate functionality in hexa-fluoroisopropanol solution at 3.4 kV cm À1. The e...
Article
9H-Carbazole-9-(4-phenyl) boronic acid pinacol ester (9-CPBAPE) molecule was investigated by FT-IR, Raman, UV-vis, 1H and 13C NMR spectra. FT-IR, FT-Raman and dispersive Raman spectra were recorded in the solid phase. 1H, 13C NMR and UV-vis spectra were recorded in dimethyl sulfoxide (DMSO) solution. The results of theoretical calculations for the...
Article
Full-text available
We report a versatile approach for the preparation of metal oxide/polymer hybrid nanofibers by in situ formation of metal oxide nanoparticles on surface-functionalized polymer fibers. Poly (styrene-co-vinylphosphonic acid) fibers were produced by electrospinning and used as supports for the in situ formation of ceria nanocrystals without further th...
Article
An epoxy matrix filled with nonwoven mats of porous polystyrene (PS) fibers processed by an electrospinning was compression tested at quasi-static (10-3 s-1) and high strain (315 s-1) rates. The electrospun PS fibers with a diameter between 6 and 9 m, accommodated spherical pores on the surface with the sizes ranging from 0.1-0.2 m. The filling e...
Article
Full-text available
We report a simple synthetic route to fabricate crystalline ZnO and CeO2/ZnO nanofibrous mats and their sensing characteristics against volatile organic compounds (VOCs) such as benzene, propanol, ethanol, and dichloromethane. Precursor fibers were fabricated by electrospinning of poly(vinyl alcohol) and metal salt(s) at 2.5 kV cmˉ1 in aqueous solu...
Article
Sol–gel based amine-functionalized SPME fibers (PDMS-weak anion exchanger) were prepared and used for direct mode extraction of dimethylarsinic acid (DMA), monomethylarsonic acid (MMA), and arsenate (As(V)) from aqueous solutions followed by HPLC-ICPMS determination. Two different methods of coating were employed: (i) electrospinning and (ii) dip c...
Article
We report molecular aggregate formation of TTBC (1,1',3,3'-tetraethyl-5,5',6,6'-tetrachlorobenzimidazolocarbocyanine) in submicron-sized PVA (poly(vinyl alcohol)) fibers by electrospinning. The formation of molecular aggregate is examined by solution and instrumental parameters of electrospinning. The precursor solution of PVA/TTBC, in the range of...
Article
This study proposes a new sorbent for the removal of inorganic arsenic from aqueous solutions. Monodispersed nano zero-valent iron (nZVI) particles were nucleated at the surface of electrospun chitosan fibers (average fiber diameter of 195 +/- 50 nm) by liquid phase reduction of FeCl3 using NaBH4. The material was characterized using SEM, TGA, XPS,...
Article
We present herein a new concept for the preparation of nanofibrous metal oxides based on the simultaneous electrospinning of metal oxide precursors and silica nanoparticles. Precursor fibers are prepared by electrospinning silica nanoparticles (20 nm in diameter) dispersed in an aqueous solution of poly(acrylic acid) and metal salts. Upon calcinati...
Article
This study reports a feasible method for the removal of radioactive U(VI) ions from aqueous systems via column sorption under continuous flow. Electrospun polyacrylonitrile (PAN) fibers were used as sorbent materials in a homemade minicolumn. The nitrile groups on the fibers’ surface were modified to amidoxime groups using hydroxylamine hydrochlori...
Article
Zinc oxide (ZnO) based fibers with a diameter of 80-100 nm were prepared by electrospinning. Polyvinyl alcohol (PVA) and zinc acetate dihydrate were dissolved in water and the polymer/salt solution was electrospun at 2.5 kV cm(-1). The resulting electrospun fibers were subjected to calcination at 500°C for 2h to obtain ZnO-based fibers. Humidity se...
Article
Chitosan fibers showing narrow diameter distribution with a mean of 42 nm were produced by electrospinning and utilized for the sorption of Fe(III), Cu(II), Ag(I), and Cd(II) ions from aqueous solutions. The ion concentrations in the supernatant solutions were determined using inductively coupled plasma-mass spectrometry (ICP-MS). The filtration ef...
Article
Trace metal levels in eleven different spice and herbal plant species from western Anatolia, Turkey were determined by atomic absorption spectrometry. The contents of trace metals in the herbal plant samples were found in the ranges: 3.8–35.4 μg g−1 for copper, 0.2–2.7 μg g−1 for cadmium, 0.1–2.8 μg g−1 for lead, 1.4–11.3 μg g−1 for nickel, 0.1–9.7...

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