Yazar "Erçağ, Erol" için listeleme
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Carbazole derivatives: Synthesis, spectroscopic characterization, antioxidant activity, molecular docking study, and the quantum chemical calculations
Serdaroğlu, Goncagül; Uludağ, Nesimi; Erçağ, Erol; Sugumar, Paramasivam; Rajkumar, Parthasarathi (Elsevier, 2021)A various carbazole derivativeswere synthesized for the synthesis 2,3-Dihydro-1H-carbazol-4(9H)-one O-acetyl oxime (3), ethyl 2-(2,3,4,9-tetrahydrospiro[carbazole-1,2'-[1,3]dithiolane]-2-yl)acetate (5), 2- hydroxyethyl ... -
Cr(VI) adsorption on binary and ternary composites of raw cocoa shell with magnetic nanoparticle and Prussian blue
Erçağ, Erol; Kanmaz, N.; Buğdaycı, M.; Hızal, J. (Elsevier B.V., 2022)Binary and ternary composites of raw cocoa shell (CS) were investigated as novel adsorbents for chromate (Cr(VI)) ions adsorption. CS incorporated with magnetite nanoparticle (MNP) and MNP-Prussian blue (MNP-PB) composites ... -
Cyanomethylation of 2,3,4,9-tetrahydro-1H-carbazol-1-one based on using two different reagents: Antioxidant activity and DFT studies
Serdaroğlu, Goncagül; Uludağ, Nesimi; Erçağ, Erol (Elsevier, 2022)C-2 and C-6 monoalkyl nitrile substituted reactant (1), which constitute the tricyclic framework of carbazole derivatives along with the substructure of the Strychnos alkaloids family, have been synthesized by using different ... -
Design and in silico study of the novel coumarin derivatives against SARS-CoV-2 main enzymes
Özdemir, Mücahit; Köksoy, Baybars; Ceyhan, Deniz; Sayın, Koray; Erçağ, Erol; Bulut, Mustafa; Yalçın, Bahattin (Taylor and Francis Ltd., 2020)The novel coronavirus (SARS-CoV-2) causes severe acute respiratory syndrome and can be fatal. In particular, antiviral drugs that are currently available to treat infection in the respiratory tract have been experienced, ... -
Development of a gold nanoparticles-based colorimetric sensor for the indirect determination of ammonium dinitramide and tetryl
Mamatioğlu, F.; Üzer, A.; Erçağ, Erol; Apak, R. (Elsevier B.V., 2021)Ammonium dinitramide (ADN) is a strong, environmentally friendly oxidizer used in composite solid rocket propellants. As there is no reliable colorimetric sensor for ADN assay applicable to in-field screening, we developed ... -
Efficient removal of indigo dye by using sulfonated poly (ether ether ketone) (sPEEK), montmorillonite (MMT) and sPEEK-MMT composites as novel adsorbent
Hizal, Julide; Yılmazoğlu, Mesut; Kanmaz, Nergiz; Erçağ, Erol (Elsevier, 2022)In this study, indigo blue (IB) was adsorbed on individual sulfonated poly (ether ether ketone) (sPEEK), montmorillonite (MMT) and sPEEK-MMT composites for the first time. Characterizations were performed by using XRD, ... -
Electrochemical determination of boron using the signal suppression of mannitol on a gold nanoparticle coated p-Aminothiophenol polymer electrode
Sağlam, Şener; Üzer, Ayşem; Erçağ, Erol; Apak, Reşat (Elsevier Inc., 2021)In this study, a glassy carbon electrode (GCE) modified with gold nanoparticles (AuNPs) and coated with electropolymerized p-aminothiophenol (p-ATP) was used as a modified electrode (GC/AuNPs/PATP electrode) for the indirect ... -
Gümüşhane yöresinde üretilen ballarda GC–MS ile pestisit tayini
Şahin, Murat (Tekirdağ Namık Kemal Üniversitesi, 2023)Bu tez çalışmasında Gümüşhane iline bağlı Kelkit, Şiran ve Köse ilçe köylerinden bal örnekleri alınmıştır. Bal örneklerinin Gümüşhane ilçelerinden yalnız 3 farklı ilçesinden alınmasının nedeni, bu 3 ilçenin gerek coğrafi ... -
Magnetite nanoparticles-based hydroxyl radical scavenging activity assay of antioxidants using N, N-dimethyl-p-phenylenediamine probe
Can, Ziya; Keskin, Büşra; Arda, Ayşem; Erçağ, Erol; Apak, Mustafa Reşat (Scientific Technical Research Council Turkey-Tubitak, 2020)Excessive amounts of reactive oxygen species (ROS), unless counterbalanced by antioxidants, can cause cellular damage under oxidative stress conditions; therefore, antioxidative defenses against ROS must be measured. With ... -
Magnetite nanoparticles-based hydroxyl radical scavenging activity assay of antioxidants using N, N-dimethyl-p-phenylenediamine probe
Can, Z.; Keskin, B.; Arda, A.; Erçağ, Erol; Apak, M.R. (TUBITAK, 2020)Excessive amounts of reactive oxygen species (ROS), unless counterbalanced by antioxidants, can cause cellular damage under oxidative stress conditions; therefore, antioxidative defenses against ROS must be measured. With ... -
Structural characterization and biological evaluation of uracil-appended benzylic amines as acetylcholinesterase and carbonic anhydrase I and II inhibitors
Bulut, Z.; Abul, N.; Poslu, A.H.; Gülçin, İ.; Ece, A.; Erçağ, Erol; Koz, Ö.; Erçağ, Erol (Elsevier B.V., 2023)A series of novel uracil-appended benzylic amines were synthesized through reductive amination with moderate to good yields (30–84% yields). In situ prepared 5-(arylidene)-6-aminouracils with the condensation reaction ... -
Synthesis and molecular docking study of novel COVID-19 inhibitors
Gerçek, Zuhal; Ceyhan, Deniz; Erçağ, Erol (Scientific Technical Research Council Turkey-Tubitak, 2021)In 2020, the world tried to combat the corona virus (COVID-19) pandemic. A proven treatment method specific to Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) is still not found. In this study, seven new ... -
Synthesis and molecular docking study of novel COVID-19 inhibitors
GERÇEK, Z.; Ceyhan, Deniz; Erçağ, Erol (TUBITAK, 2021)In 2020, the world tried to combat the corona virus (COVID-19) pandemic. A proven treatment method specific to Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) is still not found. In this study, seven new ... -
Synthesis of thiophene derivatives: Substituent effect, antioxidant activity, cyclic voltammetry, molecular docking, DFT, and TD-DFT calculations
Uludağ, Nesimi; Serdaroğlu, Goncagül; Sugumar, Paramasivam; Rajkumar, Parthasarathi; Çolak, Naki; Erçağ, Erol (Elsevier, 2022)The efficient pathway 6-methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate derivatives have been synthesized. Due to the promising biochemical reactivity, the bioactive agent synthesis in the frame of the thiophene ... -
Ultrasound phantom with solids mimicking cancerous tissue for needle breast biopsy
Yayla, Işık İpek Avcı; Bilal, Melis; Salmaslıoğlu, Artur; Erçağ, Erol; Sezer, Esma; Ustamehmetoğlu, Belkıs (Scientific And Technological Research Council Turkey, 2022)This study aimed at synthesizing hydrogels to simulate opaque breast tissue (BT) and coloured cancerous tissues (CT) at different densities of the designed phantom to improve the biopsy-related skills along with ultrasonography. ...