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Toplam kayıt 59, listelenen: 21-30
Insights into brewed tea waste as a green and low-priced adsorbent for solid-phase extraction of Cd(II) ions: isotherm, kinetic, and artificial neural network approach
(Springer Nature, 2022)
In the present research, brewed tea waste (BTW) was utilized as a green, low-priced, and abundant adsorbent for separation/preconcentration of Cd(II) ions through solid-phase extraction method from water and foods for the ...
Highly Efficient Spectrophotometric Determination of Cu2+ ion in Aqueous Medium Using a thiosemicarbazone-derivative Ligand
(SPRINGER/PLENUM PUBLISHERS, 2022)
A new simple spectrophotometric method for the determination of Cu2+ ion was developed using an thiosemicarbazone compound, 2-{4-[Bis(2-chloroethyl)amino]benzylidene}-N-[(4-methylthio)phenyl]hydrazinecarbothioamide (TSC). ...
Different spacer-arm attached magnetic nanoparticles for covalent immobilization of Jack bean urease
(De Gruyter Open Ltd, 2022)
Objectives: This study aims the covalent immobilization of Jack bean urease on Fe3O4 magnetic nanoparticles via glutaraldehyde (urease@MNPs-Si-Glu) and epichlorohydrin (urease@MNPs-ECH) spacer arms. Methods: The optimum ...
A facile and sensitive coprecipitation method coupled with flame atomic absorption spectrometry for quantification of Cu(II) ions in complex matrices
(SERBIAN CHEMICAL SOC, 2022)
In the present investigation, the application of an organic coprecipit-ant, 2-[5,6-dichloro-2-(2-bromobenzyl)-1H-benzimidazole-1-yl]acetohydrazide (DIBBA), for separation and preconcentration of Cu(II) ions in fruit and ...
Identification of Antioxidant Activity by Different Methods of a Freshwater Alga (Microspora sp.) Collected From a High Mountain Lake
(2019)
Algae contain a large amount of biological active compounds functioning as antioxidant, antimicrobial and anti-tumour. In the present research, antioxidant activity of freshwater alga Microspora sp. Chlorophyta extract ...
A new colorimetric DPPH• scavenging activity method with no need for a spectrophotometer applied on synthetic and natural antioxidants and medicinal herbs
(2017)
2,2-Diphenyl-1-picrylhydrazyl (DPPH ) radical scavenging, the most commonly used antioxidant methodwith more than seventeen thousand articles cited, is very practical; however, as with most assays, it hasthe major disadvantage ...
The Impact of Recreational Use on Land Cover at Uludağ National Park (Turkey)
(Istanbul University-Cerrahpasa, 2021)
he intense pressure resulting from population growth and urbanization along with technology has created the need for utilizing natural areas for tourism and recreational purposes and has necessitated the protection, ...
Characterization of the Welding Zone of Automotive Sheets of Different Thickness (DP600 and DP800) Joined by Resistance Spot Welding
(Springer Nature, 2022)
Automotive industry in recent years, has gained great importance. In line with this, DP600 and DP800 dual-phase steels and the electrical resistance spot welding method were used in the study. During the experimental trials, ...
Satellite-derived shallow wetland bathymetry using different classification algorithms and datasets
(Desalination Publications, 2021)
Remote sensing (RS) effectively identifies, analyzes, and monitors wetlands. In addition to these two-dimensional studies, RS is used with several techniques in determining shallow water depths. The primary purpose of this ...
Ekşisu Sazlıkları'nın (Erzincan) Kuş Gözlemciliği Turizmi Açısından Önemi
(Atatürk Üniversitesi, 2020-01)
Nüfus artışı insanları yeni yaşam alanları bulma konusunda farklı arayışlara yönlendirerek doğanın tahrip edilmesine neden olmuştur. Zaman içerisinde sanayi faaliyetlerinin yaygınlaşması, bu tahribatı derinleştirmiştir. ...