Dynamic extraction of residual solvents from pharmaceutical formulations using a needle-type extraction device [0.03%]
针头式提取装置动态提取药用制剂中的残留溶剂
Ikuo Ueta,Daisuke Kondo,Suguru Masuda et al.
Ikuo Ueta et al.
This study developed a rapid screening method to determine residual solvents contained in a tablet formulation using a needle-type extraction device. For this, the tablet formulation was pulverized and the powdered sample was rapidly insert...
Analysis of methamphetamine in urine by GC/MS coupled with solid-phase dispersive extraction and solid-phase derivatization [0.03%]
基于固相分散提取和固相衍生化的尿样中冰毒的气相色谱-质谱分析方法研究
Koichi Saito,Noriko Segawa,Rie Ito
Koichi Saito
In this study, we investigated a solid-phase dispersive extraction (SPDE) method and solid-phase derivatization method using the same solid-phase gel to extract methamphetamine (MA) from urine samples more efficiently and perform trifluoroa...
Enhancing the sensitivity of immunoassays toward single-cell secretion analysis [0.03%]
增强免疫测定法以用于单细胞分泌分析
Masato Suzuki
Masato Suzuki
Preparation of a covalent organic framework-modified silica-gel composite for the effective adsorption of Pd(II), Zr(IV) and Mo(VI) from nitric acid solution [0.03%]
用于从硝酸溶液中有效吸附Pd(II),Zr(IV)和Mo(VI)的共价有机骨架修饰硅胶复合材料的制备
Hao Wu,Naoki Osawa,Masahiko Kubota et al.
Hao Wu et al.
In this study, a novel covalent organic framework-modified silica-gel composite (Si-COF) was synthesized for the adsorption of palladium [Pd(II)], zirconium [Zr(IV)], and molybdenum [Mo(VI)] from nitric acid solutions and its adsorption beh...
Ultrahigh-sensitivity vinyl-COF fluorescent sensor for trace organic arsenic detection [0.03%]
用于痕量有机砷检测的超高灵敏度乙烯基COF荧光传感器
Wenyang Li,Qiangrong Xie
Wenyang Li
Recently, the misuse of organic arsenic feed additives, such as roxarsone (ROX), has increasingly jeopardized both human health and the environment. In response, a unique electron-rich pyrazine-cored fluorescent covalent organic framework (...
Chemiluminescence detection of kanamycin by DNA aptamer regulating peroxidase-like activity of Co3O4 nanoparticles [0.03%]
DNA适配体调节的Co3O4纳米粒子类过氧化物酶活性检测卡那霉素的化学发光法
Xuxin Zhang,Yihao Li,Shaojie Xia et al.
Xuxin Zhang et al.
Kanamycin (KAN) is widely used as a growth hormone analog and an antibacterial agent. However, abuse of this substance has resulted in the accumulation of excessive residue levels in foods of animal origin, which presents a significant risk...
Low-tech innovation: biomimetic solid-contact potentiometric sensor for nanomolar-level atrazine detection [0.03%]
低成本创新:仿生固相接触式电势传感器用于纳摩尔浓度阿特拉津检测技术
Anjana Kolarveetil Rajagopalan,Saumya Varghese,Aneesh Padmanabhan et al.
Anjana Kolarveetil Rajagopalan et al.
Despite the fact that there are already a number of solid-contact-based ion-selective electrodes designed for atrazine detection, our ground-breaking contribution lies in introducing the first-ever atrazine potentioselectrode, enabling the ...
Lateral flow immunoassay device to detect staphylococcal enterotoxin B (SEB) in durian candy [0.03%]
一种用于检测猫山王榴莲糖中金黄色葡萄球菌肠毒素B的侧向流动免疫层析试纸条
Paquito E Relox Jr,Katherine Ann C Israel,Yuki Hiruta et al.
Paquito E Relox Jr et al.
Staphylococcal enterotoxin B (SEB), a potent enterotoxin produced by Staphylococcus aureus, has been implicated in incidences of Staphylococcal food poisoning in the Philippines. The use of lateral flow immunoassay devices to detect this to...
A QuEChERS method based on octadecyl-bonded hectorite for the determination of ten mycotoxins in yak ghee [0.03%]
基于十八烷基键合海托石的快速简便方法用于十种霉菌毒素在牦牛黄油中检测
Jun Wang,Hai-Yan Yang,Jia-Jia Fan et al.
Jun Wang et al.
To develop a clean-up material suitable for high-fat food matrices for detecting mycotoxins in yak ghee, an octadecyl-bonded hectorite (Hectorite@NHCO(CH2)17CH3) was synthesized through multi-step chemical reactions. A modified QuEChERS-HPL...
Potentiometry in determining the antioxidant capacity of compounds of different hydrophilicity in the joint presence using mixed solvents and surfactants [0.03%]
混合溶剂和表面活性剂体系中不同亲水性的抗氧化剂联合存在时的抗氧能力的测定
Elena Salimgareeva,Violetta Starcheusova,Elena Gerasimova et al.
Elena Salimgareeva et al.
In this work, for the first time, the potentiometric method was used to determine the antioxidant capacity (AOC) of compounds of different hydrophilicity in the joint presence using mixed solvents and surfactants. The AOC of model solutions...