Güncel Gönderiler: Kimya-Makale Koleksiyonu
Toplam kayıt 676, listelenen: 41-60
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Thermal stability and rheological properties of PMMA/B2O3 nanocomposites synthesised by melting method
(Taylor & Francis Ltd, 2022)Nano boron oxide (B2O3) was firstly produced from granular B2O3 by ball milling under cryogenic conditions. Then, PMMA/B2O3 nanocomposites were synthesized by melting method and then characterized. Finally, the rheological ... -
Microwave-assisted synthesis of aromatic thiadiazol crown ethers and determination of complexation properties with metal ions by application of Job ' s plot method to conductometry
(Wiley-V C H Verlag GMBH, 2022)The microwave-assisted synthesis technique, one of the pioneers of green chemistry, was used to synthesize aromatic thiadiazole crown ethers in this study. Thiadiazole crown ethers were synthesized by the cyclization ... -
Removal of Cd(II), Co(II), Cr(III), Ni(II), Pb(II) and Zn(II) ions from wastewater using polyethyleneimine (PEI) cryogels
(Academic Press Ltd, 2022)The removal of the target analytes, Cd(II), Co(II), Cr(III), Ni(II), Pb(II), and Zn(II) from contaminated waters was achieved using super porous polyethyleneimine (PEI) cryogels as adsorbent. The optimum values of the ... -
Aza-18-crown-6 modifiye karbon nanotüplerin sentezi, karakterizasyonu ve adsorpsiyon kapasitesinin belirlenmesi
(Balıkesir Üniversitesi, 2021)Karbon nanotüpler (CNT) olağanüstü eşsiz özellikleri sebebiyle keşfinden günümüze birçok uygulama alanı bulmuştur. Yüzeylerinde gerçekleştirilen kovalent modifikasyonlarla kimyasal ve fiziksel özellikleri geliştirilebilmektedir. ... -
2-((4-hidroksifenil)imino)metil)fenol bileşiğinin NaBH4 ile indirgenme reaksiyonunun FT-IR ile çözelti ortamında izlenmesi
(Balıkesir Üniversitesi, 2021)İminler aldehit ve ketonların primer aminlerle reaksiyonu sonucu oluşur. İminlerin indirgenmesi ile de bazı sübstitüe aminler elde edilir. Endüstrinin pek çok dalında ve organik sentezlerde kullanılan aminler ve iminler ... -
Lead borate nanoparticles ınduce apoptotic gene activity in P53 mutant cancer cells
(Springernature, 2021)Cancer is a complex and multistage disease that causes suffering worldwide. Several mutations in tumor suppressor proteins are mostly responsible for tumorigenic development. Thus, determination of the mutations and ... -
Investigation of in vitro and in silico effects of some novel carbazole Schiff bases on human carbonic anhydrase isoforms I and II
(Taylor & Francis Inc, 2021)Carbonic anhydrases (CAs, EC4.2.1.1) are metalloenzymes that catalyse reversible hydration reaction of carbon dioxide to bicarbonate and protons. In recent years, there has been a great interest in inhibitors/activators ... -
Synthesis, characterizations of aryl-substituted dithiodibenzothioate derivatives, and investigating their anti-Alzheimer's properties
(Taylor & Francis Inc, 2021)The main objective of the present study was to synthesize potential inhibitor/activators of AChE and hCA I-II enzymes, which are thought to be directly related to Alzheimer's disease. Dithiodibenzothioate compounds were ... -
A rapid, ultrasensitive voltammetric biosensor for determining SARS-CoV-2 spike protein in real samples
(Elsevier Advanced Technology, 2021)The ongoing coronavirus disease 2019 (COVID-19) pandemic continues to threaten public health systems all around the world. In controlling the viral outbreak, early diagnosis of COVID-19 is pivotal. This article describes ... -
Privileged scaffolds in medicinal chemistry: Studies on pyrazolo[1,5-a]pyrimidines on sulfonamide containing Carbonic Anhydrase inhibitors
(Pergamon-Elsevier Science Ltd, 2021)We report for the first time a small series of compounds endowed in vitro with inhibitory properties for the human (h) expressed Carbonic Anhydrase (CAs, E.C. 4.2.1.1) enzymes of physiological interest (i.e. I, II, VA, IX ... -
Effect of modification on thermal stabilities and thermal degradation kinetics of poly(buthylmethacrylate)/multi-walled carbon nanotube nanocomposites
(Taylor & Francis Ltd, 2021)Modified multi-walled carbon nanotubes (MWCNTs) were prepared from commercially purchased MWCNTs with different chemical reactions. Nanocomposites were synthesised by the solvent casting method. The effects of functional ... -
Effective scarless wound healing mediated by erbium borate nanoparticles
(Humana Press Inc, 2021)The developments of nanoparticle-based treatments that benefit from novel discoveries have an essential place in the regeneration of acute and chronic wounds. Furthermore, research about the treatment methods which attempt ... -
Microwave-assisted cross-coupling synthesis of aryl functionalized MWCNTs and investigation of hydrogen storage properties
(Taylor & Francis Inc, 2021)In recent years, nanostructures have attracted the attention of many scientists due to their unique properties. Many properties of nanostructures can be improved by changing the surface. For this purpose, multi-walled ... -
Spectroscopic, structural, aromaticity and electronic properties of isatoic anhydride - experimental and theoretical investigations
(Natl Inst Science Communication-Niscair, 2021)The paper compares the experimental FT-IR, H-1- and C-13-NMR spectra of isatoic anhydride (ISA) with the Hartree-Fock (HF) and Density Functional Theory (DFT) calculations using three different basis sets (6-31+G(d,p), ... -
Comparative experimental and theoretical study on the molecular structure and spectroscopic properties of sideroxol isolated from Sideritis stricta and its electronic properties
(Taras Shevchenko Natl Univ Kyiv, 2021)Sideroxol, a kaurene diterpene, was obtained from the acetone extract of Sideritis stricta plant. The ground-state molecular geometry, vibrational frequencies, and NMR chemical shifts were also investigated by using various ... -
Highly sensitive and selective voltammetric method for the determination of hydrazine at a poly (Eriochrome Black T) modified pencil graphite electrode (p-EBT/PGE)
(Taylor & Francis, 2021)This paper presents a simple, sensitive, selective, cost-effective indirect voltammetric method for determining hydrazine using a poly(Eriochrome black T) modified pencil graphite electrode (p-EBT-PGE). Alizarin Red S (ARS) ... -
Different functional groups functionalized hexagonal boron nitride (h-BN) nanoparticles and multi-walled carbon nanotubes (MWCNT) for hydrogen storage
(Elsevier Sci Ltd, 2021)The hexagonal boron nitride (h-BN) functionalized with p-phenylenediamine, multi-walled carbon nanotubes (MWCNT) functionalized with carboxyl and acylchloride groups, and h-BN-Ph-NH-CO-MWCNT structure were produced by ... -
Immobilized xanthine oxidase with bio-composite using gas biosensor
(Parlar Scientific Publications (P S P), 2021)The paper describes the development of biosensor for gas detection using bio-composite-xanthine oxidase. The xanthine oxidase enzyme is immobilized by bio-composite including gelatine and chitosan. The high stability of ... -
Multi walled carbon nanotubes functionalized by hydroxyl and Schiff base and their hydrogen storage properties
(Elsevier Science SA, 2021)The hydroxyl and Schiff base functionalization, characterization, and H2 storage of multi walled carbon nanotubes (MWCNTs) have been investigated in the present work. The samples were analyzed using Brunauer-Emmett-Teller, ... -
Metal ion effects on Polyphenol Oxidase Covalently immobilized on a Bio-Composite
(C M B Assoc, 2021)Biosensors can be developed using different immobilization methods. Interest in immobilization methods have increased because biosensors have been important for science. Polyphenol oxidase (PPO) was used generally in ...
