Genişoğlu, Mesut
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Genisoglu, Mesut
Genisoglu, M
Genişoğlu, M.
Genisoglu, M
Genişoğlu, M.
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mesutgenisoglu@iyte.edu.tr
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03.07. Department of Environmental Engineering
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Current Staff
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Sustainable Development Goals
1NO POVERTY
0
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2ZERO HUNGER
0
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3GOOD HEALTH AND WELL-BEING
2
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4QUALITY EDUCATION
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5GENDER EQUALITY
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6CLEAN WATER AND SANITATION
6
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7AFFORDABLE AND CLEAN ENERGY
2
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8DECENT WORK AND ECONOMIC GROWTH
0
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9INDUSTRY, INNOVATION AND INFRASTRUCTURE
2
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10REDUCED INEQUALITIES
0
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11SUSTAINABLE CITIES AND COMMUNITIES
3
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12RESPONSIBLE CONSUMPTION AND PRODUCTION
1
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13CLIMATE ACTION
2
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14LIFE BELOW WATER
3
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15LIFE ON LAND
0
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16PEACE, JUSTICE AND STRONG INSTITUTIONS
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17PARTNERSHIPS FOR THE GOALS
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Scholarly Output
19
Articles
16
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23004/6855
Supervised MSc Theses
0
Supervised PhD Theses
1
WoS Citation Count
123
Scopus Citation Count
150
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0
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0
WoS Citations per Publication
6.47
Scopus Citations per Publication
7.89
Open Access Source
13
Supervised Theses
1
| Journal | Count |
|---|---|
| Science of the Total Environment | 2 |
| Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi | 2 |
| ACS Omega | 2 |
| Atmospheric Pollution Research | 1 |
| Chemosphere | 1 |
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19 results
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Doctoral Thesis Estimation of Exposure To Persistent Organic Pollutants and Associated Health Risks(01. Izmir Institute of Technology, 2024) Genişoğlu, Mesut; Genişoğlu, Mesut; Sofuoğlu, Aysun; Sofuoğlu, Sait Cemil; Sofuoğlu, Sait Cemil; Sofuoğlu, AysunKalıcı Organik Kirleticiler (POPs), çevresel bozunmaya karşı dirençli, uzun mesafeler boyunca taşınabilen ve organik maddelere olan yüksek afiniteleri nedeniyle çevresel ortamlarda ve gıda zincirinde biriken, küresel olarak yaygın maddeler oldukları için insan sağlığı açısından önemli riskler oluşturur. Pertikül ve hava, toprak ve hava, sedimen ve su arasında dağıldıkları için tarım ürünlerinde, etlerde ve deniz ve tatlı su ürünlerinde bulunurlar. Bu da yutma, soluma ve deri teması yoluyla maruziyete ve sağlık risklerine yol açar. Sonuç olarak, mümkün olduğunca çok sayıda POP grubunu araştırmak için kapsamlı bir tarama çalışması tasarlanmıştır. İzmir'de rastgele seçilen ev ve okullardan, iç ve dış mekan havasıyla beraber çökelmiş toz ve yemek örnekleri toplanmıştır. Ayrıca, kafe/bar/restoranlardan iç mekan çökelmiş toz örnekleri toplanmıştır. Örnekler hazırlık, ekstraksiyon ve temizleme işleminden geçirildikten sonra, PAH'lar, PCB'ler, PBDE'ler, NBFR'ler ve OPFR'lerin hedef bileşikleri GC/MS cihazıyla analiz edilmiştir. Ölçülen konsantrasyonlar ve toplanan maruziyetle ilgili anket bilgileri, USEPA maruziyet-risk modellerine girdi değişkenleri olarak kullanılarak yutma ve soluma maruziyetlerini (kronik günlük alım) Monte Carlo yöntemi kullanılarak ilgili sağlık riskleri simüle edilmiştir. Örnekleme yerleri, kentleşmenin etkisini araştırmak için kırsal, banliyö, kentsel alanlar ve bir sanayi bölgesinin rüzgaraltı yerleri arasında mekansal olarak dağıtılmıştır. Bu tez çalışması kapsamında, küresel literatüre girmiş çalışmalar arasında çevresel ve gıda örneklerinde analiz edilen bu kadar yüksek sayıda hedef POP bileşiği düzeyleri konusunda bilgi veren en kapsamlı veriseti oluşturulmuştur.Article Citation - WoS: 5Citation - Scopus: 7Bleach-Containing Automatic Toilet-Bowl Cleaners as Sources of Vocs, Associated Indoor Air Concentrations and Carcinogenic Risk(Turkish National Committee for Air Pollution Research (TUNCAP), 2020) Ayrı, İlknur; Genişoğlu, Mesut; Gaygısız, Handan; Sofuoğlu, Aysun; Sofuoğlu, Sait CemilHousehold cleaning products are sources of volatile organic compounds (VOCs). Bleach containing products are a special case because reactions occur between chloride and their organic content such as surfactants, perfumes, etc., generating VOCs. This study aimed to determine concentration of 13 VOCs in bleach-containing automatic toilet cleaners, to estimate their indoor air concentrations and associated exposure and health risk levels. Experiments with products purchased from supermarkets were conducted in 20-mL headspace vials by placing 1 g of sample with and without water. Solid-phase micro extraction with a DVB/CAR/PDMS fiber assembly was used for adsorption of VOCs from the headspace, and analyzed using a GC-MS. The median carbon tetrachloride and chloroform concentrations of the studied products ranged from 5.03 × 10?3 to 2.37 × 10?2 ?g/g and 2.53 × 10?2 to 2.37 ?g/g, respectively. The modeled 95th percentile indoor air concentrations in a 1.6 m3 bathroom with no ventilation were estimated to be 1 and 20 ?g/m3 for carbon tetrachloride and chloroform, respectively. The 95th percentile carcinogenic risk associated even with the use of the highest content product, 3.72 × 10?7 and 8.62 × 10?7 for carbon tetrachloride and chloroform respectively, were below the acceptable risk. In conclusion, automatic toilet-bowl cleaners were found to be sources of VOCs, but their emission potentials are not high to cause considerable indoor air concentrations over their suggested product lifetime. In turn, carcinogenic risks associated with inhalation exposure are below the de Minimis risk level of 10?6. © 2020Article Citation - WoS: 15Citation - Scopus: 19Brominated Flame Retardants in a Computer Technical Service: Indoor Air Gas Phase, Submicron (pm1) and Coarse (pm10) Particles, Associated Inhalation Exposure, and Settled Dust(Elsevier Ltd., 2019) Genişoğlu, Mesut; Sofuoğlu, Aysun; Kurt Karakuş, Perihan Binnur; Birgül, Aşkın; Sofuoğlu, Sait CemilBrominated flame retardants (BFRs) are found in multi-media indoors, therefore, may pose serious risks to human health. This study investigated the occurrence of BFRs in particulate matter (PM1 and PM10) and gas phase by active and passive sampling, and settled dust to estimate potential exposure in a computer technical service. Polybrominated diphenyl ethers (PBDEs) and their alternatives (novel BFRs, NBFRs) were studied. PM and gas phase were collected on glass fiber filters and polyurethane foam plugs, respectively, and analyzed with a GC/MS after extraction, clean-up, and concentration. Inhalation exposure of the staff was estimated based on the measured concentrations using Monte Carlo simulation. BDE-209 was the dominating PBDE congener in all media while bis(2-ethylhexyl)-3,4,5,6-tetrabromophthalate and 1,2-bis(2,4,6-tribromophenoxy)ethane were those of NBFRs. Submicron particulate matter (PM1) BFR levels constituted about one half of the PM10-associated concentrations, while average PM10 mass concentration (69.9 μg m−3) was nine times that of PM1 (7.73 μg m−3). Calculated log10 dust-gas and PM-gas partitioning coefficients ranged from −5.03 to −2.10, −2.21 to −0.55, and −2.26 to −1.04 for settled dust, PM10, and PM1, respectively. The indoor/outdoor concentration ratios were >1 for all compounds indicating the strength of indoor sources in the service. The estimated potential inhalation exposures, for future chronic-toxic and carcinogenic risk assessments, indicated that the levels of gas-phase and PM1-associated exposures were similar at approximately one half of PM10-associated levels. Results of this study indicate that the occurrence of BFRs in all studied media should be taken into consideration for occupational health mitigation efforts.Article Tuvalet Temizlik Ürünlerinin Kullanımı ile Salıverilen Karbon Tetraklorürün İç Hava Düzeyleri ve Sağlık Riskleri(TMMOB Makina Mühendisleri Odası, 2020) Ayri, İlknur; Genişoğlu, Mesut; Gaygısız, Handan; Sofuoğlu, Aysun; Sofuoğlu, Sait Cemilİç hava kirliliği açısından temizlik ürünleri kullanımı önemli bir kaynak oluşturmak-tadır. Bir Uçucu Organik Bileşik (UOB) olan karbon tetraklorürün emisyonu, diğer UOB’ler ile birlikte klorlanmış çeşme suyundan, özellikle su sıcaklığının artırıldığı yıkanma, çamaşır ve bulaşık yıkanması sırasında oluşur. Bununla birlikte, ağartıcı olarak hipoklorit (çamaşır suyu) içeren temizlik ürünlerinde ve kullanımı sırasında, çamaşır suyu ile organik maddelerin reaksiyona girmesiyle oluşumu bu bileşik için göreceli çok daha güçlü bir kaynak oluşturmaktadır. Karbon tetraklorürün hem kro-nik-toksik hem de karsinojenik sağlık etkileri olması sebebiyle bu temizlik ürünlerinin kullanımı durumunda iç ortam havasından etkin bir havalandırma ile uzaklaştırılma-sı gerekmektedir. Bu çalışmada, karbon tetraklorürün tuvalet ve banyolarda kullanı-lan klozet ve rezervuar tipi temizleyicilerden emisyonu deneysel olarak incelenmiş, iç hava düzeyleri modelleme ile tahmin edilmiş, solunum yoluyla maruziyet için kanser riski değerlendirmesi yapılmıştır. Ürünlerin emisyon potansiyeli tepe boşluğu katı fazlı mikroekstraksiyonu takiben GC/MS yöntemiyle incelenmiş, iç hava düzeylerinin modellenmesi için 8,9 m3 oda hacmi ve 0,5 ach hava değişimi hızı kullanılmıştır. Kul-lanılan bu hız ile ürünlerin kullanımından kaynaklanan karbon tetraklorür konsant-rasyonun sadece %0,6’lık kısmı uzaklaştırılabilmektedir. Ortalama ve 95. yüzdelik kanser risk değerleri kabul edilebilir risk olan milyonda birin altındadır ancak ürün-ler birer iç ortam karbon tetraklorür kaynağı oluşturmaktadır.Article Citation - WoS: 20Citation - Scopus: 25Indoor Air Partitioning of Synthetic Musk Compounds: Gas, Particulate Matter, House Dust, and Window Film(Elsevier, 2020) Balcı, Esin; Genişoğlu, Mesut; Sofuoğlu, Sait Cemil; Sofuoğlu, AysunDue to diversity of contaminants indoors and complexity in the physical structure of particulate matter, partition process of chemicals affects indoor concentration distribution. Synthetic Musk Compounds (SMCs) are ubiquitously found in household and personal care products, thus, in the environment. Exposure to SMCs is important for human health, therefore, their partitioning in indoor environmental media is a key issue. In this study, gas particle, house dust, andwindowfilm partitioning of SMCs were investigated in an indoor micro-environment. In a sealed and unoccupied room, a polycyclic and nitro musk mixture was left for volatilization for an hour. Then, samples were collected using XAD-2 sandwiched between two PUF plugs, glass-fiber filter, and wipes for gas, PM10, window-film, house dust phases, respectively, for 145 h. Collected samples were analyzed using a GC-MS. Results demonstrated that MC concentrations decreased over time, non-linearly. Six of the SMCs partitioned to PM10 with at least 10% at beginning of the experiment, whereas the number of compounds dropped to two at the end, showing that SMCs may partition well between the two phases but they tend to be in the gas phase. They were also detected in the film and dust phases but a decrease pattern similar to gas-particle was not observed. Spearman correlations indicate that the dust and film-associated concentrations were governed by similar processes but PM-associated concentrations were not. SMCs may be found in all phases, mainly in house dust in terms of mass among the studied media and unaccounted surface reservoirs. Therefore, their partitioning between indoor media has key implications for human exposure. (C)20 Elsevier B.V. All rights reserved.Book Part The Role of Polyurethane Foam Indoors in the Fate of Flame Retardants and Other Semivolatile Organic Compounds(American Chemical Society, 2021) Genişoğlu, Mesut; Sofuoğlu, Sait Cemil; Sofuoğlu, AysunFlame retardant chemicals are added to polyurethane foams (PUFs) during production. These chemicals are released to the environment during the use of PUF containing furniture or building materials. In contrast, organic pollutants such as polychlorinated biphenyls, polycyclic aromatic hydrocarbons, synthetic musk compounds, and volatile organic compounds could be sorbed by PUF depending on the concentration gradient, ambient temperature, and the physicochemical properties. Most of these substances tend to accumulate by adhering to organic matter in dust, particles, and surfaces, as they do not degrade for long periods of time. Sorption-emission cycles of PUF-associated organic compounds prolong their presence in indoor environments, which could increase human exposure. Since these organic compounds might have carcinogenic or chronic-toxic health effects on living organisms, it is important to understand the role of PUF in exposure to these substances in indoor environments. This chapter reviews the literature on the relationship of organic substances with PUF in indoor environments.Article Citation - WoS: 1Citation - Scopus: 1Airborne and Dust-Bound PBDEs Indoors and Outdoors in Izmir, Türkiye: A Multi-Route Exposure - Risk Assessment(Elsevier Sci Ltd, 2025) Genisoglu, Mesut; Edebali, Ozge; Sofuoglu, Aysun; Turgut, Cafer; Sofuoglu, Sait C.Phased-out flame retardants, e.g., polybrominated diphenyl ethers (PBDEs), persist in environmental media due to their resistance to degradation and ongoing emissions from PBDE containing materials and industrial activities. This study addresses a notable data gap in a unique setting, i.e., & Idot;zmir, T & uuml;rkiye, by investigating PBDE levels at homes, schools, and caf & eacute;/bar/restaurants, and assessing exposure and associated health risks. Indoor and outdoor air and dust samples were collected from rural, suburban, and urban areas. Exposure through ingestion, dermal absorption, and inhalation routes, and associated chronic-toxic and carcinogenic risks were estimated with Monte Carlo Simulation. Despite having been phase-out, house-dust Sigma BDE concentrations remained prevalent with average levels of >2000 ng/g in schools and homes, while outdoors they were <500 ng/g. BDE-209 was the predominant congener with an indoor air concentration of 486 pg/m(3) in schools and 56.7 pg/m(3) in homes. BDE-209 contributed 83.5-90.4 % of the indoor air Sigma BDE concentration in schools, while in homes this contribution ranged from 70.8 to 75.8 %. Aggregate exposure estimates show the predominant PBDE congener, BDE-209, was primarily exposed by accidental ingestion (58.6 %) followed by dermal absorption (21.9 %) and inhalation (19.5 %). Chronic-toxic risk (CTR, for BDE-47, BDE-99, BDE-153, and BDE-209) and carcinogenic risk (CR, for BDE-209) for the ingestion and dermal absorption routes indicated that house-dust and indoor-air PBDE exposures are not found to be considerable for human health. However, the contribution of inhalation route to the aggregate exposure of BDE-28, BDE-47, BDE-100, BDE-99 (87.0 %, 60.5 %, 54.3 %, and 57.3 %, respectively) may indicate the evermore PBDE exposure by inhalation for lower brominated congeners as they become more significant through environmental debromination of the predominant BDE-209.Article Occurrence of Bromide and Bromate in Chlorinated Indoor Swimming Pools, And Associated Health Risks(Yildiz Technical University, 2023) Dumanoğlu, Y.; Genisoglu, M.; Sofuoglu, S.C.Swimming is a physical activity that is accessible to people of all ages in all seasons. However, continuous organic and inorganic precursor load and disinfectant dosing make pool water chemistry much more complex than other disinfected waters. Carcinogenic bromate compound is one of the hundreds of disinfection by-products in pool water. The occurrence of bromate in pool waters depends on the precursor content of filling water, the disinfection process, operating parameters, and the purity of disinfectants. While the average filling water bromide concentrations of University Campus indoor swimming pool in Gülbahçe –Urla (SP1) and Buca public indoor swimming pool (SP2) were determined to be 182 μg/L and 11.0 μg/L, respectively, the average bromate concentrations of SP1 and SP2 were 59.4 μg/L and 68.3 μg/L. Estimated chronic-toxic health risks of accidental ingestion of pool water during swimming (between 10-3 and 10-1) were lower than the threshold level (‘1’). Although the carcinogenic risks in central tendency scenario (<10-6) indicate negligible risks for swimmers, worst case scenario indicates carcinogenic risks (medians were ranged from 1.61×10-6 to 9.42×10-6) for highly exposed specific swimmer groups. Bromate accumulation in swimming pools needs attention for mitigating the health risks for swimmers. © 2021, Yıldız Technical University.Article Yüzme Havuzlarında Karbon Bazlı Dezenfeksiyon Yan Ürünlerinin Oluşumu(Dokuz Eylül Üniversitesi, 2017) Harman, B. İlker; Tanaçan, Ertaç; Genişoğlu, Mesut; Kaplan, Ş. Şule; Ateş, Nuray; Yiğit, Nevzat Ö.; Kanan, Amer A.S.Bu çalışmada ülkemiz literatüründe ilk defa yer alacak ve oldukça önemli bir konu olan yüzme havuzlarındaki dezenfeksiyon yan ürünlerinin (DYÜ) türleri, DYÜ oluşumuna etki eden faktörler ve DYÜ'lerin sağlık etkileri konusunda bir derleme yapılmıştır. İçme suyu şebekesi ve yüzme havuzlarındaki patojen mikroorganizmaların engellenebilmesi amacıyla birçok dezenfektan kullanılmaktadır. Yüzme havuzlarında genellikle klor bazlı dezenfektanlar kullanılırken, bromlu dezenfektanlar da dezenfeksiyon için tercih edilmektedir. Havuz suyundaki organik madde kaynakları; i) doldurma suyunda bulunan doğal organik maddeler (DOM) ve ii) yüzücülerden gelen organik yüklemelerdir. Yüzme havuzları özelinde yüzücülerden kaynaklı daimi organik yükleme ve sürekli dezenfeksiyon sonucu (organik maddelerin oksidantlar/dezenfektanlar ile reaksiyonu sonucunda) mutajenik ve kanserojenik olmalarından şüphelenilen DYÜ oluşumu içme sularındakine nazaran daha fazladır. Trihalometan (THM) ve haloasetik asitler (HAA), havuz suyunda en sık karşılaşılan yan ürünlerdir. THM gibi uçucu olan yan ürünler sadece yüzme suyunda değil, havada da oldukça yüksek konsantrasyonlarda bulunabilmektedir. Bu yan ürünlerin oluşum mekanizmalarının bilinmesi ve kontrol altına alınması, yüzücüler ve bilhassa havuz çalışanlarının sağlığına olan etkilerinin en aza indirilmesi bağlamında önem arz etmektedir. Oluştuktan sonra giderilmesi zor ve maliyetli olan DYÜ'lerin oluşumunda etkili öncüllerin belirlenmesi ve kontrolü ile uygun dezenfektan türünün kullanılmasıyla yüzme havuzlarındaki DYÜ oluşumları azaltılabilir.Article Citation - WoS: 26Citation - Scopus: 26Multi-Route - Multi-Pathway Exposure To Trihalomethanes and Associated Cumulative Health Risks With Response and Dose Addition(Academic Press Inc., 2019) Genişoğlu, Mesut; Ergi Kaytmaz, Ceyda; Sofuoğlu, Sait CemilCumulative health risk estimation for exposure to mixtures is a current issue, which would present a useful tool for environmental and public health management. Cumulative risks were estimated with response and dose addition methods for individual multi-route - multi-pathway exposure to trihalomethanes and associated carcinogenic toxic risks in Izmir, Turkey. Exposure levels were estimated for ingestion, dermal, and inhalation routes using measured tap water and bottled water THM concentrations. Drinking, showering, hand and dish washing were the considered pathways. THM concentrations in air during the showering were modeled with two-resistance theory using tap water concentration data. The estimated carcinogenic risk levels for ingestion route were in the range of safe (< 10(-6)) to low priority (< 10(-4)), for dermal route all were in the safe zone (< 10(-6)), and for inhalation route were in the range of safe to high priority (> 10(-4)) zones, indicating ingestion and inhalation routes were of similar significance ahead of dermal exposure. Cumulative carcinogenic risks of THM compounds were estimated using simple (response) addition and dose addition using cumulative relative potency factor (CRPF) methods. CRPF method estimated the risks at lower levels compared to the simple addition, which originated from the use two different risk factor values for the index chemical in the method. Cumulative chronic-toxic risks were also assessed, rendering below the threshold risk levels for all routes. This study showed that multi-route - multi-pathway exposure assessment and cumulative risk assessment should together be considered for better environmental and public health management.