Analytical Validation and Greenness Assessment of HPLC-DAD Method for Methylxanthines Analysis [0.03%]
甲基黄嘌呤分析HPLC-DAD方法的分析验证及绿色评估
Omar J Portillo-Castillo,Paola Cobos-Cervantes,Norma C Cavazos-Rocha et al.
Omar J Portillo-Castillo et al.
In this study, a simple, and eco-friendly high-performance liquid chromatography-diode array detection (HPLC-DAD) method was developed and validated for analyzing methylxanthines, including theobromine (TB), theophylline (TF), and caffeine ...
Structures and properties of phenylethanoid glycosides from Barleria prionitis Linn.: Insights from theoretical and experimental investigations [0.03%]
巴豆苷类化合物的结构和性质：理论与实验研究揭示的现象略蒂斯林氏植物中的苯乙酮糖苷类化合物的结构和性质：从理论和实验调查中获得的见解
Onesy Keomanykham,Hue Van Nguyen,Hoa Le Thi Phuong et al.
Onesy Keomanykham et al.
From the whole plant of Barleria prionitis Linn. collected in Laos, six phenylethanoid glycosides, acetylmartynoside A (1), martynoside (2), 3-O-methylpoliumoside (3), isoaceteoside (4), leucosceptoside A (5), 2-(3-hydroxy-4-methoxyphenyl)-...
Phytochemical composition, antioxidant and enzyme inhibitory effects of Stahlianthus thorelii Gagnep. rhizomes [0.03%]
Stahlianthus thorelii Gagnep. 根茎的植物化学成分，抗氧化和酶抑制效果
Pham M Tuan,Danh C Vu,Sy Vo Van et al.
Pham M Tuan et al.
Stahlianthus thorelii Gagnep. is used in traditional medicine to treat various diseases. In this study, ethyl acetate (EtOAc) extract of S. thorelii rhizomes was analyzed for its phychemicals, antioxidant activity and inhibition against enz...
Efficient Treatment of Olive Mill Wastewater using a Three-Column Continuous System Packed with Different Adsorbents [0.03%]
使用填充有不同吸附剂的三柱连续系统高效处理橄榄油厂废水
Khaled Muftah Elsherif,Mohamed Elbagermi,Aisha Shemila
Khaled Muftah Elsherif
This study aimed to investigate the feasibility and effectiveness of using a three-column continuous system for treating olive mill wastewater (OMW). The methodology involved passing the wastewater through three successive columns packed wi...
Using Eye-Movements to Explain Processing Triple Level of Chemical Information: Systematic Review [0.03%]
用眼动解释处理化学信息的三个层次：系统性回顾
Miha Slapničar,Luka Ribič,Iztok Devetak
Miha Slapničar
The focus of this systematic literature review was to examine eye-tracking studies in the chemistry classroom and to evaluate the usefulness of eye-tracking in studying students' learning of complex chemical concepts. The reviewed studies p...
Synthesis, crystal and electronic structure, and thermal behavior of a new flame retardant-hardener [Cu(diethylenetriamine)2]Cl2•H2O for epoxy resins [0.03%]
环氧树脂阻燃剂固化剂的新合物[Cu(diethylenetriamine)2]Cl2•H2O的合成、晶体与电子结构及热行为研究
Borys Mykhalichko,Helen Lavrenyuk,Volodymyr Olijnyk et al.
Borys Mykhalichko et al.
A copper(II) chelate complex with diethylenetriamine (deta), [Cu(deta)2]Cl2·H2O (1), was synthesized by direct interaction of solid copper(II) chloride dihydrate with deta. Complex 1 was characterized by X-ray structural analysis, infrared...
Two Unexplored Saponaria Species from Türkiye: Phenolic Composition and a Pharmacologic Potential [0.03%]
来自土耳其的两种未被探索的丝石竹属植物物种：酚类成分及药理潜力
Cennet Ozay,Nuray Sarac Deveci,Fadime Aydin Kose et al.
Cennet Ozay et al.
To investigate the total secondary metabolite amounts, phenolic profile, antioxidant activity, acute toxicity, cytotoxic, and wound-healing effects of the aerial parts of Saponaria kotschyi (endemic) and Saponaria pumilio extracts. The tota...
Biological activities, chemical composition and molecular docking of Urelytrum giganteum Pilg [0.03%]
Urelytrum giganteum Pilg的生物活性，化学成分及分子对接研究
Abdulrahaman Mahmoud Dogara,Sawsan Sadiq Al-Rawi,Ateeq Ahmed Al-Zahrani et al.
Abdulrahaman Mahmoud Dogara et al.
This study analyzed solvent extractions of Urelytrum giganteum Pilg, a perennial wild tufted grass in dry tropical African countries, to determine its antioxidant potential, chemical composition, proximate analysis, antimicrobial efficacy, ...
Manganese, cobalt, nickel and zinc complexes with pyrazine-2-carboxylic acid [0.03%]
吡嗪-2-羧酸的 manganese, cobalt, nickel 和 zinc 配合物
Saša Petriček
Saša Petriček
New complexes of zinc (1), manganese(II) (2 and 2a), cobalt(II) (3) and nickel(II) chloride (4), with pyzaH (pyrazine-2-carboxylic acid) were synthesized. The pyzaH molecules are coordinated as monodentate ligands only through heterocyclic ...
Hydrothermal Scenario for Amino Acids and Sulfur-Containing Amino Acids Formation [0.03%]
氨基酸和含硫氨基酸形成的水热反应机制
Sofia Slavova,Nina Stoyanova,Sonya Harizanova et al.
Sofia Slavova et al.
The chemical evolution of amino acids, especially sulfur-containing ones, requires appropriate conditions and natural sources to provide starting prebiotic compounds. In the present study hydrothermal vents, volcanoes and oceans were chosen...