Residue and dissipation kinetics of novel nematicide fluopyram in rice assessed by QuEChERS-liquid chromatography-tandem mass spectrometry [0.03%]
基于QuEChERS-LC-MS/MS法的新款杀线虫剂氟吡菌胺在水稻上的残留及消解动态研究
C Selvi,K Bhuvaneswari,A Suganthi et al.
C Selvi et al.
Supervised field trial was conducted to study the dissipation pattern of fluopyram in rice plant after application of fluopyram 400 g/L SC(Velum Prime) as soil drenching at the time of sowing in nursery bed at X (500 g a.i. ha-1) and 1.25X ...
Rapid spectrophotometric determination and extraction of platinum(IV) from pharmaceuticals assisted by 2-(2-(1-(thiophene-2-yl) ethylidene) hydrazinyl) benzoic acid (TEHBA) [0.03%]
2-(2-(1-(噻吩-2-基)乙叉基)肼基)苯甲酸(TEHBA)辅助的药物中铂(IV)的快速分光光度法测定及提取
Amruta Murkute,Haribhau Aher,Somnath Bhumkar et al.
Amruta Murkute et al.
It has been suggested that the chelating agent 2-(2-(1-thiophene-2-yl) ethylidene) hydrazinyl) benzoic acid (TEHBA) be utilized to extract, separate and measure platinum(IV) by UV-visible spectrophotometry at the microgram level. Following ...
Molecular symmetry change of perfluoro-n-alkanes in 'Phase I' monitored by infrared spectroscopy [0.03%]
红外光谱监测全氟烷烃在“相I”中的分子对称性变化
Taisuke Araki,Takayuki Oka,Nobutaka Shioya et al.
Taisuke Araki et al.
Phase diagram of polytetrafluoroethylene (PTFE) comprises four regions. Phases II and IV are characterized by twisted perfluoroalkyl (Rf) chains having different twisting rate of 13/6 and 15/7, respectively, while Phase III is characterized...
Advancing ethanol content determination in hydrogels: non-destructive and operational methods for health and criminal inspections [0.03%]
推进水凝胶中乙醇含量的测定：用于健康和刑事检查的非破坏性和操作方法
Diego M de Souza,Lívia de B Salum,Robiedson R Damasceno et al.
Diego M de Souza et al.
The significance of accurate determination of ethanol content in hydrogel formulations was accentuated during COVID-19 pandemic coinciding with the heightened demand for sanitizing agents. The present article proposes three robust methodolo...
Tomoko Ohta,Satoshi Fukutani,Takumi Kubota et al.
Tomoko Ohta et al.
We investigated the tritium concentration in commercial modern D2O reagents frequently used in nuclear magnetic resonance analysis for analytical chemistry and in environmental tracer testing. The concentration of tritium in 11 D2O and 1 H2...
Selection of structure-induced aptamer targeting small molecule based on capillary sieving electrophoresis [0.03%]
基于毛细管筛分电色谱的结构诱导小分子靶向适配体筛选技术
Masahide Wada,Tatsuro Endo,Hideaki Hisamoto et al.
Masahide Wada et al.
In this study, a structure-induced aptamer targeting small molecules was selected using capillary sieving electrophoresis (CSE). CSE was conducted using a capillary filled with a background solution containing hydroxypropyl cellulose as a s...
Photostability evaluation of manidipine tablets and structural determination of its photoproducts [0.03%]
评价氨氯地平片的光照稳定性并确认其降解产物结构
Kohei Kawabata,Kyoka Hirai,Shiori Akimoto et al.
Kohei Kawabata et al.
Manidipine (MP) is a dihydropyridine drug, which is treated for the reduction of high blood pressure. The aim of this study is to clarify the photochemical behavior of MP in the case of ultraviolet light (UV) irradiation for MP tablets (Cal...
Contamination, speciation, and health risk assessment of arsenic in leafy vegetables in Ambagarh Chowki (India) [0.03%]
印度Ambagarh Chowki地区蔬菜中砷的污染、形态和健康风险评估
Madhuri Khute,Saroj Sharma,Khageshwar Singh Patel et al.
Madhuri Khute et al.
Green leafy vegetables are essential for a balanced diet, providing vital nutrients for overall well-being. However, concerns arise due to contamination with toxic substances, such as arsenic, posing risks to food safety and human health. T...
Label-free colorimetric analysis strategies based on adsorption-responsive surface-enhanced photochromic phenomena of tungsten(VI) oxide nanoparticles for amino acids [0.03%]
基于吸附响应型表面增强光致变色现象的WO纳米颗粒无标记比色分析策略用于氨基酸检测
Shohei Tanaka,Kenta Adachi
Shohei Tanaka
Herein, we present a colorimetric detection method based on the surface-enhanced photochromic phenomenon of tungsten (VI) oxide (WO3) nanocolloid particles for α-amino acid (AA) molecules, including L-aspartic acid (Asp), L-glutamic acid (...
Rapid quantitative analysis of coal composition using laser-induced breakdown spectroscopy coupled with random forest algorithm [0.03%]
基于LIBS随机森林算法的燃煤组分快速定量分析方法研究
Hongkun Du,Shaoying Ke,Wei Zhang et al.
Hongkun Du et al.
Coal is the primary energy source in China, widely used in energy production, industrial processes, and chemical engineering. Due to the complexity and diversity of coal quality, there is an urgent need for new technologies to achieve rapid...