Yayıncı "Walter De Gruyter GMBH" Fakülteler için listeleme
Toplam kayıt 37, listelenen: 1-20
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AlSb and InAs-GaSb layer thickness effect on HH-LH splitting and band gap energies in InAs/AlSb/GaSb type-II superlattices
(Walter De Gruyter GMBH, 2015)This study is based on the investigation of AlSb layer thickness effect on heavy-hole light-hole (HH-LH) splitting and band gap energies in a recently developed N-structure based on InAs/AlSb/GaSb type II superlattice ... -
Analysis of the volatile components of five Turkish Rhododendron species by headspace solid-phase microextraction and GC-MS (HS-SPME-GC-MS)
(Walter De Gruyter GMBH, 2003)Volatile constituents of various solvent extracts (n-hexane, CH2C2, H2O) of 15 different organs (leaves, flowers, fruits) of five Rhododendron species (Ericaceae) growing in Turkey were trapped with headspace solid-phase ... -
Anti-angiogenic and antiproliferative properties of the lichen substances (-)-usnic acid and vulpinic acid
(Walter De Gruyter GMBH, 2015)The anti-proliferative activities of the lichen substances (-)-usnic acid and vulpinic acid on the viability of HepG2 hepatocarcinoma cells, NS20Y neuroblastoma cells and HUVEC endothelial cells were studied by the MTT ... -
Antioxidant potential of some natural and semi-synthetic flavonoid derivatives and the extracts from Maclura pomifera (Rafin.) Schneider (osage orange) and its essential oil composition
(Walter De Gruyter GMBH, 2016)Objective: The antioxidant potential of various extracts were obtained from the leaf and fruit of Maclura pomifera (Rafin.) Schneider (Moraceae) along with its major isoflavonoids; osajin and pomiferin, their semi-synthetic ... -
Chemical composition of the essential oil of Phlomis linearis Boiss. & Bal., and biological effects on the CAM-assay: A safety evaluation
(Walter De Gruyter GMBH, 2003)Phlomis linearis Boiss. & Bal. of the Lamiaceae family growing in central, east and southeast Anatolia is an endemic species for Turkey. The essential oil obtained from the aerial parts by hydro distillation was subsequently ... -
Comparative root and stem anatomy of six Clinopodium (Lamiaceae) taxa
(Walter De Gruyter GMBH, 2016)A group of Lamiaceae that has caused confusion over its generic boundaries are those species belonging to the complex surrounding the genera Satureja, Calamintha, Micromeria, Clinopodium and Acinos. In the current study, ... -
Effect of mixing water types on the time-dependent zeta potential of Portland cement paste
(Walter De Gruyter GMBH, 2013)The measurement of zeta potential (ZP) has important applications in a wide range of industries including ceramics, pharmaceuticals, medicine, mineral processing, electronics, cement industry and water treatment. It provides ... -
Effects of tribenuron-methyl treatment on glutathione S-transferase (GST) activities in some wheat and barley varieties
(Walter De Gruyter GMBH, 2010)For efficient and profitable crop production, appropriate weed management is essential. Today, herbicides are an integral part of modern farming practice globally, as the), assure the convenient method of weed control ... -
Entropy Generation Calculation of a Turbofan Engine: A Case of CFM56-7B
(Walter De Gruyter GMBH, 2018)Entropy generation and energy efficiency of turbofan engines become greater concern in recent years caused by rises fuel costs and as well as environmental impact of aviation emissions. This study describes calculation of ... -
Evaluation of Lavandula stoechas L. subsp stoechas L., Mentha spicata L. subsp spicata L. essential oils and their main components against sinusitis pathogens
(Walter De Gruyter GMBH, 2018)Lavandula stoechas subsp. stoechas and Mentha spicata subsp. spicata are used for the treatment of sinusitis in Turkish folk medicine. The components of essential oils obtained by hydrodistillation were determined by gas ... -
FT-IR spectroscopic study on some Hofmann-T-d type complexes: Ni(4-Phenylpyridine)(2)M(CN)(4) (M = Cd or Hg)
(Walter De Gruyter GMBH, 2005)New Hofmann-T-d type complexes in the form of Ni(4-Phenylpyridine)(2)M(CN)(4) (M = Cd or Hg) were prepared in powder form and their infrared spectra are reported in the region of 4000200 cm(-1). From the spectral findings, ... -
Inhibitory effect of Calamintha nepeta subsp glandulosa essential oil on lipoxygenase
(Walter De Gruyter GMBH, 2011)Objective: Scavenging of free radicals and inhibition of lipoxygenase are important target in the treatment of a variety of inflammatory diseases. Calamintha nepeta (L.) Savi subsp. glandulosa (Req.) P.W. Ball of Lamiaceae ... -
Interaction between doped C-60 fullerenes and piperazine-2,3,5,6-tetraone: DFT simulation
(Walter De Gruyter GMBH, 2018)Piperazine and tetraone-related compounds are widely used in the drug industry. Heteroatom-doped fullerenes are studied as new types of sensor devices, and medical applications are studied as drug delivery vehicles. In ... -
Interaction mechanisms and structural properties of B-, Si-doped C60 fullerenes with 1-formylpiperazine
(Walter De Gruyter GMBH, 2016)Piperazines and fullerene nanocages are versatile compounds. These are discussed in a wide range of academic work, especially in the field of medicine, and considered for various applications by the pharmaceutical industry. ... -
Metaheuristic and Machine Learning Models for TFE-731-2, PW4056, and JT8D-9 Cruise Thrust
(Walter De Gruyter GMBH, 2017)The requirement for an accurate engine thrust model has a major antecedence in airline fuel saving programs, assessment of environmental effects of fuel consumption, emissions reduction studies, and air traffic management ... -
Molecular, vibrational and electronic structure of 4-bromo-2-halogenobenzaldehydes: Halogen and solvent effects
(Walter De Gruyter GMBH, 2017)The halogen and solvent effects on the structure of 4-bromo-2-halogenobenzaldehydes [C7H4BrXO; X = F (BFB), Cl (BCB) or Br (BBB)] were investigated by the density functional theory (DFT) and time-dependent density functional ... -
Nano-12-Tungstophosporic Acid Cesium Salt Synthesized by Ultrasound as Catalyst for Alkylation of Benzene with dec-1-ene
(Walter De Gruyter GMBH, 2017)Nano 12-tungtophosphoric acid cesium salt (Cs-TPA) was synthesized under ultrasonic irradiation in nanoscale. The obtained catalyst was characterized by various methods. These analyzes indicate that the chemical structure ... -
Novel tetrazole derivatives: synthesis, anticholinesterase activity and cytotoxicity evaluation
(Walter De Gruyter GMBH, 2017)Objective(s): The synthesis of new N'-arylidene-4-[(1phenyl- 1H-tetrazole-5-yl) thio] butanoylhydrazide derivatives (1-26) and investigation of their potential anticholinesterase (AChE), butyrylcholinesterase (BuChE) enzyme ... -
On deformations of G(2)-structures by Killing vector fields
(Walter De Gruyter GMBH, 2014)In this paper, vectorial type deformations of a 7-dimensional manifold with structure group G 2 are considered. The fundamental 3-form of such a manifold is deformed by a vector field, and the new cross product and the new ... -
On deformations of parallel G(2) structures and almost contact metric structures
(Walter De Gruyter GMBH, 2017)It is known that manifolds with G(2) structures have almost contact metric structures; see [3; 16]. In this manuscript, we deform a parallel G(2) structure by a parallel vector field and investigate the properties of the ...