Orhan Atakol

ORCID: 0000-0003-0977-6588
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About
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Research Areas
  • Metal complexes synthesis and properties
  • Magnetism in coordination complexes
  • X-ray Diffraction in Crystallography
  • Crystallization and Solubility Studies
  • Crystal structures of chemical compounds
  • Crystallography and molecular interactions
  • Thermal and Kinetic Analysis
  • Energetic Materials and Combustion
  • Metal-Organic Frameworks: Synthesis and Applications
  • Metal-Catalyzed Oxygenation Mechanisms
  • Chemical Thermodynamics and Molecular Structure
  • Corrosion Behavior and Inhibition
  • Concrete Corrosion and Durability
  • Analytical chemistry methods development
  • Synthesis and Characterization of Heterocyclic Compounds
  • Hydrogen embrittlement and corrosion behaviors in metals
  • Electrochemical Analysis and Applications
  • Synthesis and biological activity
  • Lichen and fungal ecology
  • Analytical Chemistry and Sensors
  • Inorganic and Organometallic Chemistry
  • Organic and Molecular Conductors Research
  • Organometallic Compounds Synthesis and Characterization
  • Adsorption and biosorption for pollutant removal
  • Lanthanide and Transition Metal Complexes

Ankara University
2016-2025

University of Arts
2021

Bridge University
2018

Hacettepe University
2006-2009

Osaka City University
2008

Abstract The nutritional quality of acid‐modified poultry manure biochar is unclear, so a better understanding its properties and agronomic potential needed. was modified with phosphoric acid (H 3 PO 4 ) nitric ( HNO combination the two, before after pyrolysis. After characterization samples determination total water‐soluble mineral element concentrations, biochars were applied to calcareous soil at rate 0.5% (w/w) find out their effects on nutrition growth maize. Treatment H + enriches...

10.1111/sum.12360 article EN Soil Use and Management 2017-06-30

Phosphorus (P) is one of the least available mineral nutrients to plants in calcareous and alkaline soils. In this study, we investigated synthesis, characterization use synthetic nano-hydroxyapatite (NHA), P uptake by as well its residual effects. Soluble source (H3PO4) was also included treatment for comparison. NHA prepared wet chemical techniques, characterized Fourier transform infrared spectroscopy (FTIR), scanning electron microscope (SEM) elemental dispersive X-ray (EDX) analysis....

10.1080/01904167.2018.1433836 article EN Journal of Plant Nutrition 2018-02-13

A sensitive and economical analytical method involving the solidification of floating organic drop microextraction technique with a dispersive solvent is utilized for extraction enrichment nickel in St. John's wort tea infusions. Bis-N,N′-(salicylidene)-1,3-propanediamine was used as complexing agent. The analyses were done slotted quartz tube-flame atomic absorption spectrometer (FAAS). experimental parameters preconcentration procedure optimized. developed provided 26.5-fold enhanced...

10.1080/00032719.2025.2450520 article EN Analytical Letters 2025-01-10

10.1016/s0254-0584(03)00204-9 article EN Materials Chemistry and Physics 2003-07-07

10.1016/j.matchemphys.2005.03.008 article EN Materials Chemistry and Physics 2005-04-19

Abstract Giant barocaloric effects were recently reported for spin-crossover materials. The volume change in these materials suggests that the transition can be influenced by uniaxial stress, and give rise to giant elastocaloric properties. However, no measurements of properties compounds have been so far. Here, we demonstrated existence associated with transition. We dissolved particles ([Fe(L) 2 ](BF 4 ) , [L=2,6di(pyrazol-1-yl)pyridine]) into a polymeric matrix. showed application tensile...

10.1038/s41467-024-50373-2 article EN cc-by Nature Communications 2024-07-22

Abstract Six species of lichens, such as Usnea florida, barbata, longissima, rigida, hirta and subflorida, were collected from different areas Anatolia (district Antalya, Karabük, Çankırı, Giresun Trabzon) in Turkey. Their usnic acid amounts acetone extracts determined by HPLC. In addition, antimicrobial activities these against Escherichia coli (ATCC 35218), Enterococcus faecalis (RSKK 508), Proteus mirabilis (Pasteur Ens. 235), Staphylococcus aureus, Bacillus subtilis megaterium. It was...

10.1515/znc-2006-11-1202 article EN cc-by-nc-nd Zeitschrift für Naturforschung C 2006-12-01

Spin crossover (SCO) complexes have been shown to exhibit giant mechanocaloric effects. Due the change of magnetization at spin transition, they are also expected show magnetocaloric However, experimental studies on properties in SCOs scarce. Here, we studied response SCO complex [Fe(L)2](BF4)2, [L = 2,6-di(pyrazol-1-yl)pyridine] using pulsed magnetic fields. We that applying a field can induce partial transformation from low high state. directly measure adiabatic temperature for different...

10.1063/5.0240927 article EN cc-by APL Materials 2025-01-01

Pseudevernia furfuracea (L.) Zopf biosorption efficiency for zinc(II) was determined. The of Zn(II) onto P. significantly affected by the parameters pH, biomass concentration, stirring speed, contact time, and temperature. maximum 92% at 10 mg/L Zn(II), 5 g/L lichen dosage. ions better described Langmuir model pseudo-second-order kinetic. obtained thermodynamic from were feasible, exothermic, spontaneous. different desorbents used to perform desorption studies Zn(II)-loaded biomass. Fourier...

10.1080/10962247.2014.926299 article EN Journal of the Air & Waste Management Association 2014-06-04

Abstract In this study, poly(vinyl alcohol) were cross-linked with boron in varying concentrations and blend fibers obtained diameters ranging from 0.3 μ to 4.0 μm the use of electrospinning process. The resulting product was characterized by SEM, DSC, FT-IR techniques. There is no beading tendency either doped or undoped fibers. When amount boric acid PVA solutions increased conductivity polymer decreased. data indicated existence oxide polymeric structure formation B-O-C bond. SEM...

10.1515/epoly.2007.7.1.1568 article EN e-Polymers 2007-12-01
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