Some Nitrogen Rich Energetic Material Synthesis by Nucleophilic Substitution Reaction from Polynitro Aromatic Compounds [0.03%]
多硝基杂环化合物参与的亲核取代反应及含能材料合成研究
Kübra Gürpınar,Yaprak Gürsoy Tuncer,Ş Betül Sopacı et al.
Kübra Gürpınar et al.
Three new nitrogen-rich energetic compounds, N-(5-chloro-2,4-dinitrophenyl)hydrazine (1), N-(5-chloro-2,4-dinitrophenyl)guanidine (2) and N-(5-chloro-2,4-dinitrophenyl)-4-aminopyrazole (3) prepared by the nucleophilic substitution reaction ...
Katja Balantič,Damijan Miklavčič,Igor Križaj et al.
Katja Balantič et al.
Electroporation is used to increase the permeability of the cell membrane through high-voltage electric pulses. Nowadays, it is widely used in different areas, such as medicine, biotechnology, and the food industry. Electroporation induces ...
Square-wave voltammetric sensing of Lawsone (2-hydroxy-1,4-naphthoquinone) based on the enhancement effect of cationic surfactant on anodically pretreated boron-doped diamond electrode [0.03%]
阳极预处理的硼掺杂金刚石电极上季铵盐增强型 lawsone (2-羟基-1,4-萘醌) 开关波伏安检测法
Pinar Talay Pinar,Yavuz Yardim,Zühre Şentürk
Pinar Talay Pinar
In this reported work, an anodically pretreated boron-doped diamond (BDD) electrode was used for the inexpensive, simple and quick detection of a natural dye, lawsone. Lawsone had a well-defined, irreversible and diffusion-controlled oxidat...
Identification of Phytochemicals from the Water Extract of Eurycoma longifolia Roots using Solid-Liquid and Liquid-Liquid Extraction Based Fractionation Techniques [0.03%]
基于固液和液液萃取分级技术的Eurycoma longifolia根水提物植物化学成分的鉴定
Lee Suan Chua,Abirame Segaran,Hoi Jin Wong
Lee Suan Chua
Phytochemicals in the water extract of Eurycoma longofolia roots were identified using both solid-liquid and liquid-liquid extraction based fractionation techniques. A reversed phase C18 solid phase extraction (SPE) was used as solid-liquid...
Synthesis, Characterization and Crystal Structures of Fluoro-Substituted Aroylhydrazones with Antimicrobial Activity [0.03%]
含氟取代芳酰腙的合成、表征及晶体结构测定与抗菌活性研究
Fu-Ming Wang,Li-Jie Li,Guo-Wei Zang et al.
Fu-Ming Wang et al.
A series of five new fluoro-substituted aroylhydrazones were prepared and structurally characterized by elemental analysis, IR, UV-Vis and 1H NMR spectroscopy, as well as single crystal X-ray diffraction. The compounds were evaluated for th...
Marker Compounds Adsorbed on Dust Particles (PM10) Sampled According to Standard EN 12341 in the Outdoor Air Near the Cement Plant [0.03%]
吸附于水泥厂附近室外空气中按EN12341标准采集的颗粒物(PM10)样品中的标记化合物
Ernest Vončina
Ernest Vončina
Compounds adsorbed onto PM10 in the air near the cement plant were determined. Several side reactions that occur in the hot flue gas stream at the same time as the actual main reactions are also possible. This leads to the formation of trac...
Tomaz Urbic
Tomaz Urbic
The structures and properties of biomolecules like proteins, nucleic acids, and membranes depend on water. Water is also very important in industry. Overall, water is an unusual substance with more than 70 anomalous properties. The understa...
Acute Toxicity of Insecticide Thiamethoxam to Crayfish (Astacus leptodactylus): Alterations in Oxidative Stress Markers, ATPases and Cholinesterase [0.03%]
新烟碱类杀虫剂噻虫嗪对史氏宽足鼠鳌(Astacus leptodactylus)的急性毒性:氧化应激标志物、ATP酶和胆碱酯酶的改变
Miraç Uçkun,Ertan Yolo Lu,Aysel Alkan Uçkun et al.
Miraç Uçkun et al.
Thiamethoxam (Thmx) is a globally used neonicotinoid pesticide contaminated in freshwater ecosystems with residues detected in fishery products. Astacus leptodactylus is a popular freshwater crustacean that is cultivated and exported in man...
Optimization of Extraction Conditions of Bioactive Compounds by Ultrasonic-Assisted Extraction from Artichoke Wastes [0.03%]
基于超声辅助法的菊芋废弃物中生物活性成分提取工艺优化
Izzet Turker,Hilal Isleroglu
Izzet Turker
In this study, bioactive compounds were extracted by ultrasonic-assisted extraction and classical extraction processes using distilled water as solvent from artichoke leaves which are considered as agricultural wastes. Antioxidant capacity,...
Understanding of Symmetry: Measuring the Contribution of Virtual and Concrete Models for Students with Different Spatial Abilities [0.03%]
对称性的理解——虚拟模型和实物模型对于不同空间能力学生的作用分析
Thayban Thayban,Habiddin Habiddin,Yudhi Utomo et al.
Thayban Thayban et al.
Virtual and concrete models have been of interest in chemistry teaching to improve students' understanding of a three-dimensional representation of chemical concepts such as symmetry. This study aims to determine the effectiveness of using ...