Yazar "Nadeem, Said" için listeleme
-
Antioxidant, anticholinesterase and tyrosinase inhibition activities, and fatty acids of Crocus mathewii - A forgotten endemic angiosperm of Turkey
Yıldıztekin, Fatma; Nadeem, Said; Erol, Ebru; Yıldıztekin, Mahmut; Tuna, Atilla L.; Öztürk, Mehmet (Taylor & Francis Ltd, 2016)Context We report the first ever chemical/biochemical study on Crocus mathewii Kerndorff (Iridaceae) - a Turkish endemic angiosperm. This plant has never been explored for its phytochemistry and bioactivities.Objective ... -
Antioxidative Defence Mechanisms in Tomato (Lycopersicum esculentum L.) Plants Sprayed with Different Pesticides and Boron compounds
Küçükakyüz, Köksal; Yıldıztekin, Mahmut; Civelek, Hasan Sungur; Nadeem, Said; Tuna, Atilla Levent (2018)Oxidative stress was investigated in Lycopersicum esculentum L. by applying various pesticides and boron compounds for two years, near OrtacaMuğla. The field sections were treated separately by commercial pesticides and ... -
Biologically active flavonoids from Dodonaea viscosa and their structure-activity relationships
Muhammad, Akhtar; Tel-Çayan, Gülsen; Öztürk, Mehmet; Nadeem, Said; Duru, Mehmet Emin; Anis, Itrat; Shah, Muhammad R. (Elsevier, 2015)Antioxidant and anticholinesterase activities of twelve flavonoids i.e. santin (1), penduletin (2), viscosine (3), 6,7-dimethylkaempferol (4), kaempferol-3- methylether (5), 3,4'-dimethoxy-5,7-dihydroxyflavone (6), ... -
Determination of Antioxidant, Anticholinesterase, Tyrosinase Inhibitory Activities and Fatty Acid Profiles of 10 Anatolian Klasea Cass. Species
Tel, Gülsen; Doğan, Bekir; Erol, Ebru; Öztürk, Mehmet; Nadeem, Said; Ullah, Zain; Duran, Ahmet; Duru, Mehmet Emin (Acg Publications, 2016)In search of new natural fatty acid sources, extract of 10 different Turkish Klasea species were studies. Fatty acids of Klasea species were studied by GC and GC-MSD. Oleic acid (4.8-45.8%), palmitic acid (15.6-51.8%), ... -
EFFECTS OF MONO- AND INTERCROPPING ON GROWTH AND BORON UPTAKE OF WHEAT PLANT (TRITICUM AESTIVUM L.) CULTIVATED ON BORON-CONTAMINATED MEDIA
Yildiztekin, Mahmut; Tuna, Atilla Levent; Nadeem, Said; Yildiztekin, Fatma (Pakistan Botanical Soc, 2015)Wheat plant (Triticum aestivum L.) was grown as main crop while clover (Medicago sativa L.) and sunflower (Helianthus annuus L.) were used as intercrops. Boron was applied in the form of Boric Acid (25, 50, & 75 mg L-1). ... -
Essential Oils Composition, Anticholinesterase and Antioxidant Activities of Pistacia atlantica Desf
Öztürk, Mehmet; Abaza, İsmail; Ferhat, Maria; Labed-Zouad, Ilhem; Nadeem, Said; Kabouche, Ahmed; Kabouche, Zahia (2017)Chemical composition and in vitro antioxidant and anticholinesterase activities of essential oils obtained from leaves and flowers of Pistacia atlantica were studied. GC/GC-MS analyses of the essential oils afforded ... -
Fluorescent supramolecular tweezers for selective recognition of cephradine
Khan, Burhan; Minhaz, Aaliya; Ali, Ihsan; Nadeem, Said; Yousuf, Sammer; Ishaq, Muhammad; Shah, Muhammad Raza (Pergamon-Elsevier Science Ltd, 2015)Novel supramolecular molecular tweezers based on a biphenyl bis-triazole hexahydroquinoline system are designed and synthesized as a highly sensitive and selective fluorescent probe for recognizing and detecting cephradine ... -
GREEN SYNTHESIS, ANTIMICROBIAL AND ANTICANCER ACTIVITIES OF AgNPs PREPARED FROM THE LEAF EXTRACT OF Eucalyptus camaldulensis
Çetintaş, Yunus; Nadeem, Said; Sakallı Çetin, Esin; Özler, Mehmet Ali (Muğla Sıtkı Koçman Üniversitesi Fen Bilimleri Enstitüsü, 2020)Herein we report the green synthesis of silver nanoparticles (EcAgNPs) from water fraction (Ecs), obtained from methanol extract of Eucalyptus camaldulensis at room conditions. UV-vis, HR-TEM and SEM-EDS devices were used ... -
INVESTIGATIONS ON THE EFFECTS OF COMMONLY USED PESTICIDES ON TOMATO PLANT GROWTH
Yıldıztekin, Mahmut; Özler, Mehmet Ali; Nadeem, Said; Tuna, Atilla Levent (Parlar Scientific Publications (P S P), 2019)Acetamiprid (ABA), imidacloprid (IM), abamectin (ABA), thiomethoxam (THM) and abamectin+chlorantraniliprole (ABAC) were applied on Hazera 5656 F1 (Lycopersicum esculentum Mill.) tomato variety under greenhouse conditions ... -
A novel Salvialactomine from the callus culture of Salvia santolinifolia Boiss
Jan, Tour; Qadri, Raiha; Naqvi, Beena; Adhikari, Achyut; Nadeem, Said; Muhammad, Akhtar (Taylor & Francis Ltd, 2018)A novel compound Salvialactomine (1) along with two other unusual occurring natural products Pentatriacontanoic acid 1, 3-dihydroxypropyl ester (2) and 5-Methylflavone (3) were isolated from the callus of Salvia santolinifolia ... -
One Pot Synthesis of 1,10-Phenanthroline-based Shape-Persistent Flouroscent Macrocycle Using Sonogashira Coupling
Nadeem, Said; Shah, Muhammad R.; Ali, Qamar; Hussain, Zahid (Bentham Science Publ Ltd, 2015)A rigid shape-persistent fluorescent macrocycle PhenMac was synthesized using Sonogashira coupling reaction and TIPS-decoupling in a single pot. 2,9-dichloro-1,10-phenanthroline was reacted with TIPS-protected diyne 2 in ... -
Phytochemicals from Dodonaea viscosa and their antioxidant and anticholinesterase activities with structure-activity relationships
Muhammad, Akhtar; Tel-Çayan, Gülsen; Öztürk, Mehmet; Duru, Mehmet Emin; Nadeem, Said; Anis, Itrat; Shah, Muhammad Raza (Taylor & Francis Ltd, 2016)ContextDodonaea viscosa (L.) Jacq (Sapindaceae) has been used in traditional medicine as antimalarial, antidiabetic and antibacterial agent, but further investigations are needed.Objective This study determines the antioxidant ... -
Polyoxy-Derivatized Perylenediimide as Selective Fluorescent Ag (I) Chemosensor
Ongun, Merve Zeyrek; Ertekin, Kadriye; Nadeem, Said; Birel, Özgül (Springer/Plenum Publishers, 2016)Recent investigations indicated that same concentrations of the ionic silver have harmful effects on aquatic life, bacteria and human cells. Herein we report chemosensory properties of N,N (') -Bis(4-{2-[2-(2-methoxyethoxy)ethoxy] ... -
Porphyrin-Based Dye-Sensitized Solar Cells (DSSCs): a Review
Birel, Özgül; Nadeem, Said; Duman, Hakan (Springer/Plenum Publishers, 2017)The current review aims to collect short information about photovoltaic performance and structure of porphyrin-based sensitizers used in dye-sensitized solar cells (DSSC). Sensitizer is the key component of the DSSC device. ... -
Synthesis of Adenine-based Fluorescent and Naked-eye Chemosensors: Specific DNA Probes for the Detection of Bacterial Pathogens
Şener, Burak; Baysal, Ömür; Nadeem, Said; Silme, Ragıp Soner (Slovensko Kemijsko Drustvo, 2021)A rapid and confident tool to identify and diagnose bacterial pathogens with more accuracy using DNA as fingerprints is necessary. Herein, we report a smart chemosensor having a terminal adenine sticking to the thymine of ... -
Synthesis of Biocompatible Double-Tailed Nonionic Surfactants and Their Investigation for Niosomal Drug-Loading Applications
Ali, İmdad; Shah, Muhammad Raza; Nadeem, Said; Ali, Heyam Saad; Saifullah, Salim; Ahmed, Farid; Imran, Muhammad (Wiley, 2019)Nonionic surfactants are capable of self-assembling and thus are of vital importance for designing various drug-delivery systems. This study reports the synthesis, characterization, biocompatibility, and drug-loading ... -
Synthesis of Novel Rhodium Complex of Biphenylic-Imidazole-Phenanthroline and Photophysical Analysis of Metal Ions Selectively for Pb2+
Shah, Kiramat; Nadeem, Said; Hussain, Zahid; Shah, Muhammad Raza (Chem Soc Pakistan, 2016)A novel rhodium biphenylic-imidazole-phenanthroline metal-organic complex has been synthesized and the photophysical properties were studied against different metal ions. The rapid and sensitive detection of metal ions ... -
Synthesis, characterization, and antioxidant and anticholinesterase activities of pyrazolo derivatives
Sıcak, Yusuf; Oruç Emre, Emine E.; Öztürk, Mehmet; Karakucuk İyidoğan, Ayşegül; Nadeem, Said (Wiley, 2020)Twenty-four pyrazolo derivatives (1-4)(a-f) were synthesized and characterized by FTIR, H-1, and C-13 NMR (Nuclear Magnetic Resonance), and elemental analysis. The synthesized compounds were also investigated for their ... -
Tuning Photocatalytic Activity and Decomposition Properties of Poly(Polyethylene Glycol Diacrylate-co-Hydroxyethyl Methacrylate)/TiO2 Composite Hydrogel
Tezcan, Melek; Çiçek, Hüseyin; Çicek, Meryem; Nadeem, Said (Chem Soc Pakistan, 2019)We have synthesized TiO2-loaded porous polyethylene glycol diacrylate-co-hydroxyethyl methacrylate (poly(PEGDA-co-HEMA)) hydrogel composites having tunable photocatalytic properties with structural decomposition. TiO2 was ...