Browsing by Author "Özdemir, Sadin"
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Ağır metallerin değişik termofilik bakterilerdeki akümülasyonu, biyosorpsiyonu ve çevre biyoteknolojisinde kullanımı üzerine çalışmalar
Özdemir, Sadin (2017)Bu çalışmada Nicolaus B. ve arkadaşları tarafından izole edilen ve tanımlanan termofilik karakterdeki Geobacillus toebii sub sp. decanicus, Bacillus thermantarcticus, Anoxybacillus amylolyticus, ve Geobacillus thermoleovorans ... -
Bioaccumulation, resistance, and remediation of Mn(II) and Cu(II) and their impacts on antioxidant enzymes of Anoxybacillus flavithermus
Özdemir, Sadin; Turkan, Zeynep; Kılınç, Ersin; Altuner, Elif Esra; Şen, Fatih (Institute for Ionics, 2023)In this article, the effects of copper (Cu(II)) and manganese (Mn(II)) ions on the superoxide dismutase (SOD) and catalase enzymes (CAT) of the thermophilic Anoxybacillus flavithermus (A. flavithermus) were thoroughly ... -
Bioaccumulation, resistance, removal of U(VI) and Th(IV) and their rffects on antioxidant enzymes on thermophilic anoxybacillus flavithermus ST15
Acer, Ömer; Kılınç, Ersin; Özdemir, Sadin (Taylor & Francis, 2021)In this research, a novel heavy metals resistance thermophilic Anoxybacillus flavithermus ST15 was isolated from a hot spring mud sample in Afyonkarahisar (Omer). 16S rRNA analyzing revealed that strain ST15 was 99.7% ... -
Biosorption of 2,4-d, 2,4-DP, and 2,4-DB from aqueous solution by using thermophilic anoxybacillus flavithermus and analysis by high-performance thin layer chromatography: Equilibrium and kinetic studies
Özdemir, Sadin; Bekler, Fatma Matpan; Okumuş, Veysi; Dündar, Abdurrahman; Kılınç, Ersin (Wiley, 2012)In this study, the potential biosorption characteristics of the thermophilic Anoxybacillus flavithermus (A. flavithermus) was investigated for the removal of the chlorophenoxy acid derivates, namely, 2,4-dichlorophenoxy ... -
Determination of cytotoxic, anticholinesterase, antioxidant and antimicrobial activities of some wild mushroom species
Dündar, Abdurrahman; Okumuş, Veysi; Özdemir, Sadin; Çelik, Kadir Serdar; Boğa, Mehmet; Özçağlı, Eren (Informa Healthcare, 2016)In the performed study of methanol extraction of wild edible mushroom species; Agaricus arvensis, Agaricus campestris, Armillaria mellea, Fomes fomentarius, Coprinus micaceus, Coriolus versicolor and Lactarius deliciosus ... -
A fungal functionalized magnetized solid phase extractor for preconcentrations of Pb(II), Mn(II), and Co(II) from real samples
Özdemir, Sadin; Yalçın, Mustafa Serkan; Kılınç, Ersin; Soylak, Mustafa (Elsevier Ltd., 2023)Due to increasing industrialization and overpopulation, the amount of toxic metals is increasing in the environment, including air, soil, water, and food. Solid phase extraction is an efficient and ideal technique to ... -
Investigations of Hg(II) and Pb(II) tolerance, removal and bioaccumulation and their effects on antioxidant enzymes on thermophilic Exiguobacterium profundum
Akkoyun, Mahire Bayramoğlu; Özdemir, Sadin; Kılınç, Ersin; Birhanli, Emre (Taylor and Francis Inc., 2020)Hg(II) and Pb(II) tolerance, removal, bioaccumulation and effects on antioxidant enzymes of thermophilic Exiguobacterium profundum were investigated. The results indicated that Hg(II) was more toxic than Pb(II) to E. ... -
Magnetic solid-phase extraction based on Coriolus versicolor-immobilized ? -Fe2O3 nanoparticles for preconcentration and determination of Al(III) in water
A method for preconcentration of Al(III) prior to its determination by inductively coupled plasma-opticalemission spectrometry (ICP-OES) was developed because the sensitivity of ICP-OES is insufficient for trace-level ... -
Magnetic solid-phase extraction based on Coriolus versicolor-immobilized ?-Fe2O3 nanoparticles for preconcentration and determination of Al(III) in water and food samples
Özdemir, Sadin; Yalcın, Mustafa Serkan; Kılınç, Ersin; Soylak, Mustafa (TUBITAK, 2019)A method for preconcentration of Al(III) prior to its determination by inductively coupled plasma-optical emission spectrometry (ICP-OES) was developed because the sensitivity of ICP-OES is insufficient for trace-level ... -
Musa textilis (muz) kabuğu kullanarak katı-faz fermantasyon tekniği ile (SSF) Bacillus sp.'de a-amilaz üretimi
Özdemir, Sadin (2016)Günümüzde, biyoteknolojide enzimlerin kullanımı giderek önem kazanmaktadır. Bu enzimlerden biri olan a-amilaz, önemli biyoteknolojik enzimler arasındadır, a - amilazlar, nişastanın hidrolizi için gıda, deterjan, tekstil, ... -
A novel bio-solid phase extractor for preconcentrations of Hg and Sn in food samples
Kılınç, Ersin; Özdemir, Sadin; Poli, Annarita; Niolaus, Barbara; Romano, Ida; Bekmezci, Muhammed; Şen, Fatih (Academic Press INC Elsevier Science, 2022)An ecofriendly preconcentration method was developed based on the use of Geobacillus galactosidasius sp. nov immobilized on Amberlite XAD-4 as an adsorbent for the preconcentrations of Hg and Sn. SEM-EDX performed for the ... -
A Novel biosorbent for preconcentrations of Co(II) and Hg(II) in real samples
Özdemir, Sadin; Kılınç, Ersin; Fatih, Şen (Nature Research, 2020)A new biosorbent, composed of Amberlite XAD-4 loaded with Anoxybacillus kestanboliensis, was developed and surface morphologies were investigated by SEM and FT-IR. It was used for solid phase column preconcentrations of ... -
A novel magnetized bio-solid phase extractor for the preconcentrations of Hg(II), Ni(II) and Zn(II) from foods
Yalçın, Mustafa Serkan; Özdemir, Sadin; Kılınç, Ersin; Soylak, Mustafa (Academic Press Inc., 2024)Herein, Agaricus augustus, a mushroom, loaded on γ-Fe2O3 magnetic nanoparticles was developed as a biosorbent for the simultaneous preconcentrations of trace levels of Hg(II), Ni(II), and Zn(II)) in tap water, beverages, ... -
A novel raw starch hydrolyzing thermostable ?-amylase produced by newly isolated bacillus mojavensis SO-10: Purification, characterization and usage in starch industries
Özdemir, Sadin; Fincan, Sema Agüloğlu; Karakaya, Adem; Enez, Barış (Instituto de Tecnologia do Parana, 2018)The aim of this study is the production, purification, and characterisation of thermostable raw starch hydrolyzing αamylase produced by Bacillus mojavensis SO-10. The maximum production conditions of α-amylase were found ... -
Preconcentrations of Cu (II) and Mn (II) by magnetic solid-phase extraction on Bacillus cereus loaded gamma-Fe2O3 nanomaterials
Özdemir, Sadin; Türkan, Zeynep; Kılınç, Ersin; Bayat, Ramazan; Soylak, Mustafa; Sen, Fatih (Academic Press INC Elsevier Science, 2022)For the simultaneous preconcentrations of Cu(II) and Mn(II), a novel preconcentration technique was developed and described. Bacillus cereus loaded magnetic gamma-Fe2O3 nanoparticles were prepared and used as support ... -
Preconcentrations of Pb(II), Ni(II) and Zn(II) by solid phase bio-extractor using thermophilic Bacillus subtilis loaded multiwalled carbon nanotube biosorbent
Özdemir, Sadin; Dündar, Abdurrahman; Dizge, Nadir; Kılınç, Ersin; Balakrishnan, Deepanraj; Prasad, Kashi Sai (Elsevier Ltd., 2023)An alternative biotechnological solid phase bio-extraction (SPE) method was developed. Bacillus subtilis loaded multiwalled carbon nanotube was designed and used as biosorbent for the preconcentrations of Pb(II), Ni(II), ... -
Preconcentrations of Zn(II) and Hg(II) in environmental and food samples by SPE on B. licheniformis loaded amberlite XAD-4
Özdemir, Sadin; Kılınç, Ersin; Acer, Ömer; Soylak, Mustafa (Springernature, 2022)In this work, the separations and preconcentrations of Zn(II) and Hg(II) ions on Bacillus lichenifoemis loaded onto Amberlite XAD-4 resin by solid-phase extraction has been performed. The biosorbent was characterized by ... -
The removal of heavy metal pollution from wastewaters using thermophilic B. cereus SO-16 bacteria
Özdemir, Sadin; Türkan, Zeynep; Kılınç, Ersin; Bayat, Ramazan (Elsevier Ltd, 2023)In this study, bioaccumulation, remediation, tolerance, and effects of manganese ions (Mn(II)) and copper ions (Cu(II)) on antioxidant enzymes of thermophilic Bacillus cereus (B. cereus) SO-16 were investigated in detail. ... -
Synthesis and characterization of a polydioxanone-coated dipeptide-functionalized magnetic ?-Fe2O3 nanoparticles-modified PES membrane and its biological applications
Demirci, Özlem; Gonca, Serpil; Tolan, Veysel; Özdemir, Sadin; Dizge, Nadir; Kılınç, Ersin (MDPI, 2022)This work is focused on the synthesis of leucyl-glycine-functionalized γ-Fe2O3 magnetic nanoparticles coated by polydioxanone (γ-Fe2O3-CA-Leu-Gly-PDX) as a polyethersulphone (PES) membrane for biotechnological applications. ...
