Browsing by Author "Sağlam, Necdet"
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Antibacterial agent loaded fungal polymer for use as a wound dressing
Güven, Eylem; Şam, Mesut; Erdal, Ebru; Karahaliloğlu, Zeynep; Candan, Dilek; Sağlam, Necdet; Denkbaş, Emir Baki (Hacettepe Üniversitesi, 2011)This study is mainly concerned with the preparation and characterization of a novel wound dressing, in the form of three-dimensional micro-porous structure, from extracellular polysaccharide produced by Trametes Versicolor, ... -
Antioxidative and antiproliferative effects of propolis-reduced silver nanoparticles
Tan, Gamze; İlk, Sedef; Foto, Fatma Z.; Foto, Egemen; Sağlam, Necdet (Techno Press, 2021)In this study, phytochemicals present in Propolis Extract (PE) were employed as reducing and stabilizing reagents to synthesize silver nanoparticles. Three propolis-reduced silver nanoparticles (P-AgNPs1-3) were synthesized ... -
Bioremediation applications with fungi
Sağlam, Necdet; Yeşilada, Özfer; Sağlam, Semran; Apohan, Elif; Şam, Mesut; İlk, Sedef; Emul, Ezgi; Gürel, Ekrem (SPRINGER INTERNATIONAL PUBLISHING AG, 2018) -
Can eco-schools improve elementary school students' environmental literacy levels?
Özsoy, Sibel; Ertepınar, Hamide; Sağlam, Necdet (2012)This study was conducted to investigate the effects of eco-schools on elementary school students' environmental literacy levels. Data of the study were gathered from 316 students enrolled to two elementary schools. One of ... -
Comparative study of inhibitory potential of dietary phytochemicals against quorum sensing activity of and biofilm formation by chromobacterium violaceum 12472, and swimming and swarming behaviour of pseudomonas aeruginosa PAO1
Bali, Elif Burcu; Türkmen, Kübra Erkan; Erdönmez, Demet; Sağlam, Necdet (Faculty Food Technology Biotechnology, 2019)Quorum sensing (QS) and biofilm formation are important mechanisms related to antibiotic resistance of many pathogens. Alternative treatments are needed to prevent recurrent or chronic infections caused by multi-resistant ... -
Dephenolization of olive mill wastewater by pellets of some white rot fungi
Aytar, Pınar; Gedikli, Serap; Çelikdemir, Meltem; Uzuner, Süleyman; Farizoglu, Burhanettin; Şam, Mesut; Çabuk, Ahmet; Sağlam, Necdet (Hacettepe Üniversitesi, 2011)Bu çalışmada bazı beyaz çürükçül fungusların gelişen hücrelerinin fenol giderim etkinliklerinin değerlendirilmesi amaçlanmıştır. Deneyler, Trametes versicolor ATCC200801, Phanerochaete chrysosporium ME446 ve Pleurotus ... -
The effect of microteaching applications in environmental education
Uzun, Naim; Keleş, Özgür; Sağlam, Necdet (Çukurova Üniversitesi, 2013)The purpose of the present study is to investigate the effects of micro-teaching applications used in environmental education on the attitudes and behaviors of individuals. The present study carried out within the framework ... -
Evaluation of the high school students' environmental attitudes and interest levels: Kalecik-Turkey Sample
Uzun, Naim; Atlı, Kurtuluş; Sağlam, Necdet (Eurasian Journal of Educational Research, 2010)Problem Durumu: Çevre eğitimi çalışmalarında çevresel ilgi ve tutum dünya literatüründe önemli bir yere sahiptir. Özellikle çevre sorunlarının artmasıyla ve daha sık gündeme gelmesiyle beraber bu değişkenlerin incelendiği, ... -
Gıda fitokimyasallarının periodontal patojenlere karşı in vitro antimikrobiyal potansiyellerinin değerlendirilmesi
Bu çalışmada, Porphyromonas gingivalis ATCC 33277, Prevotella intermedia ATCC 25611 ve Aggregatibacter actinomycetemcomitans ATCC 43718 periodontal patojenlerine karşı gıdalarda bulunan fitokimyasallardan kuersetin, kurkumin, ... -
Innovation of strategies and challenges for fungal nanobiotechnology
Sağlam, Necdet; Yeşilada, Özfer; Çabuk, Ahmet; Şam, Mesut; Sagğam, Semran; İlk, Sedef; Emül, Ezgi; Çelik, Pınar Aytar; Gürel, Ekrem (Springer, 2016)Nanotechnology involves the study and use of materials under the 100 nm scale, exploiting the different physiochemical properties exhibited by these materials at the nanoscale level. Microorganisms are the best model and ... -
Investigation the potential use of silver nanoparticles synthesized by propolis extract as N-acyl-homoserine lactone-mediated quorum sensing systems inhibitor
İlk, Sedef; Tan, Gamze; Emul, Ezgi; Sağlam, Necdet (TÜBİTAK, 2020)Background/aim: Quorum sensing (QS) is a chemical communication process that bacteria use to regulate virulence. Inhibition of QS (antiQS) overcomes the pathogenicity of bacteria. Silver nanoparticles (AgNPs) have been ... -
İlköğretim ikinci kademe öğrencilerinin bilgisayar öz-yeterlik algıları üzerine bir çalışma
Uzun, Naim; Ekici, Gülay; Sağlam, Necdet (Kastamonu Üniversitesi, 2010)Bu çalışmanın amacı, İlköğretim ikinci kademe öğrencilerinin bilgisayar öz-yeterlik algılarını bilgisayar kullanma sıklığına bağlı olarak değerlendirmektir. Çalışma 2006-2007 eğitim-öğretim yılında, öntest-sontest kontrol ... -
İlköğretim öğrencilerinin bilgisayar kullanma sıklığına bağlı olarak bilgisayara yönelik tutumlarındaki değisimin değerlendirilmesi
Ekici, Gülay; Uzun, Naim; Sağlam, Necdet (İlköğretim Online (elektronik), 2010)Bu çalışmada, ilköğretim II. kademe öğrencilerinin bilgisayar kullanma sıklığına bağlı olarak bilgisayara yönelik tutumlarının incelenmesi amaçlanmıştır. Bu kapsamda öğrencilerin bilgisayar kullanma sıklığına bağlı olarak ... -
Lantibiotics nanotechnology, bioengineering, and biotechnology
Şam, Mesut; Sağlam, Semran; Altındağ, Serap; Köse, Kazım; Emül, Ezgi; Uzun, Lokman; Sağlam, Necdet (Springer Science and Business Media B.V., 2021)The term “antibiotics” refers to antibacterial agents synthesized by certain lactic bacteria. These microorganisms produce antibiotics to prevent pathogens from settling in the same environment and to prevent pathogens’ ... -
Ortaöğretim öğrencilerinin çevreye yönelik bilgi ve tutumlarına "çevre ve insan" dersi ile gönüllü çevre kuruluşlarının etkisi
Uzun, Naim; Sağlam, Necdet (Hacettepe Üniversitesi, 2007)Bu çalışmada, ortaöğretim programında seçmeli olarak verilen “Çevre ve İnsan” dersi ile Gönüllü Çevre Kuruluşlarının öğrencilerin çevreye yönelik bilgi ve tutumlarına etkisi araştırılmıştır. Geliştirilen “Çevresel Tutum ... -
Oxidative stress parameters of L929 cells cultured on plasma-modified PDLLA scaffolds
Demirbilek, Melike Erol; Demirbilek, Murat; Karahaliloğlu, Zeynep; Erdal, Ebru; Vural, Tayfun; Yalçın, Eda; Sağlam, Necdet; Denkbaş, Emir Baki (Humana Press, 2011)Oxidative stress may produce high level of reactive oxygen species (ROS) following cell exposure to endogenous and exogenous factors. Recent experiments implicate oxidative stress as playing an essential role in cytotoxicity ... -
Plasma polymerization-modified bacterial polyhydroxybutyrate nanofibrillar scaffolds
Karahaliloğlu, Zeynep; Demirbilek, Murat; Şam, Mesut; Erol-Demirbilek, Melike; Sağlam, Necdet; Denkbaş, Emir Baki (Wiley-Blackwell, 2013)The design and the development of novel scaffold materials for tissue engineering have attracted much interest in recent years. Especially, the prepared nanofibrillar scaffold materials from biocompatible and biodegradable ... -
Preparation and characterization of magnetically responsive bacterial polyester based nanospheres for cancer therapy
Erdal, Ebru; Kavaz, Doğa; Şam, Mesut; Demirbilek, Murat; Demirbilek, Melike Erol; Sağlam, Necdet; Denkbaş, Emir Baki (Amer Scientific Publishers, 2012)Polyhydroxyalkanoates (PHA) are natural, thermoplastic polyesters and due to their biocompatible and biodegradable properties they are good alternatives for the production of scaffolds for engineered tissues or nanoparticles ... -
Preparation and characterization of polyhydroxybutyrate scaffolds to be used in tissue engineering applications
Güven, Öztürk Eylem; Demirbilek, Murat; Sağlam, Necdet; Karahaliloğlu, Zeynep; Erdal, Ebru; Bayram, Cem; Denkbaş, Emir Baki (Hacettepe Üniversitesi, 2008)Polyhydroxyalkanoates (PHA) are good alternatives on account of biocompatible and biodegradable properties to produce materials as scaffolds for engineered tissues. Polyhydroxybutyrate (PHB) which is a member of ...
