Chemical Constituents of Essential Oil from Lippia sidoides Cham. (Verbenaceae) Leaves Cultivated in Hidrolândia, Goiás, Brazil [0.03%]
巴西戈亚斯州希德罗兰迪亚市栽培的香花薄荷叶精油化学成分
Sandra Ribeiro de Morais,Thiago Levi Silva Oliveira,Maria Teresa Freitas Bara et al.
Sandra Ribeiro de Morais et al.
Several studies involving the family Verbenaceae, occurring in the Brazilian Cerrado, have emphasized the popular use of many aromatic species. We highlight the use of Lippia sidoides Cham., known as "alecrim pimenta," native to northeaster...
Low-Level Detection of Poly(amidoamine) PAMAM Dendrimers Using Immunoimaging Scanning Probe Microscopy [0.03%]
利用免疫扫描探针显微镜检测超低浓度的聚(胺基胺)星型聚合物(PAMAM)树枝状分子
Chevelle A Cason,Thomas A Fabré,Andrew Buhrlage et al.
Chevelle A Cason et al.
Immunoimaging scanning probe microscopy was utilized for the low-level detection and quantification of biotinylated G4 poly(amidoamine) PAMAM dendrimers. Results were compared to those of high-performance liquid chromatography (HPLC) and fo...
Characterisation of flavonoid aglycones by negative ion chip-based nanospray tandem mass spectrometry [0.03%]
基于芯片纳喷雾串联质谱的黄酮苷元离子特征及结构鉴定研究
Paul J Gates,Norberto P Lopes
Paul J Gates
Flavonoids are one of the most important classes of natural products having a wide variety of biological activities. There is wide interest in a range of medical and dietary applications, and having a rapid, reliable method for structural e...
Preliminary Assessment of the Chemical Stability of Dried Extracts from Guazuma ulmifolia Lam. (Sterculiaceae) [0.03%]
Guazuma ulmifolia Lam.( Sterculiaceae)干燥提取物的化学稳定性初步评价
Gisely C Lopes,Renata Longhini,Paulo Victor P Dos Santos et al.
Gisely C Lopes et al.
We report the results of a preliminary estimation of the stability of the dried extract from bark of Guazuma ulmifolia Lam. ("Mutamba"), with and without added colloidal silicon dioxide (CSD). The physical and chemical properties and the co...
Development of a novel biosensor using cationic antimicrobial Peptide and nickel phthalocyanine ultrathin films for electrochemical detection of dopamine [0.03%]
一种新型生物传感器的研制用于电化学生物传感检测多巴胺使用阳离子抗菌肽和镍酞菁超薄膜
Maysa F Zampa,Inês Maria de S Araújo,José Ribeiro Dos Santos Júnior et al.
Maysa F Zampa et al.
The antimicrobial peptide dermaseptin 01 (DS 01), from the skin secretion of Phyllomedusa hypochondrialis frogs, was immobilized in nanostructured layered films in conjunction with nickel tetrasulfonated phthalocyanines (NiTsPc), widely use...
Apolar compounds in seaweeds from fernando de noronha archipelago (northeastern coast of Brazil) [0.03%]
巴西东北海岸费尔南多德诺罗尼亚群岛的海洋植物中非极性化合物的研究
Leandro De Santis Ferreira,Izabel Cristina Casanova Turatti,Norberto Peporine Lopes et al.
Leandro De Santis Ferreira et al.
Hyphenated techniques of gas chromatography coupled to mass spectrometer were used to determine fatty acids in eleven species of seaweeds from Fernando de Noronha archipelago. The main compounds detected in all studied species were the alco...
Gas chromatographic/mass spectrometric analysis of volatile metabolites in bovine vaginal fluid and assessment of their bioactivity [0.03%]
气相色谱/质谱分析牛阴道液中的挥发性代谢物及其生物活性评估
R Sankar,G Archunan
R Sankar
The chemical profiles of vaginal fluid collected from cows in oestrus and nonoestrus were analysed by gas chromatography-mass spectrometry (GC-MS) to establish any qualitative differences that might have potential value in bovine biocommuni...
Potentiometric determination of ketotifen fumarate in pharmaceutical preparations and urine using carbon paste and PVC membrane selective electrodes [0.03%]
基于碳糊和PVC膜电极的富马酸酮替芬的potentiometric测定方法及其在药剂学和尿液分析中的应用研究
Eman Y Z Frag,Gehad G Mohamed,Mohamed M Khalil et al.
Eman Y Z Frag et al.
This study compares between unmodified carbon paste (CPE; the paste has no ion pair) and polyvinyl chloride (PVC) membrane selective electrodes that were used in potentiometric determination of ketotifen fumarate (KTF), where sodium tetraph...
Stability indicating HPLC determination of risperidone in bulk drug and pharmaceutical formulations [0.03%]
利培酮原料和制剂的HPLC测定方法及其稳定性指示能力研究
Zarna R Dedania,Ronak R Dedania,Navin R Sheth et al.
Zarna R Dedania et al.
The objective of the current study was to develop a validated stability-indicating assay method (SIAM) for risperidone after subjecting it to forced decomposition under hydrolysis, oxidation, photolysis, and thermal stress conditions. The l...
Optimization of molecularly imprinted polymer method for rapid screening of 17β-estradiol in water by fluorescence quenching [0.03%]
基于荧光淬灭的17β雌二醇水样分子印迹聚合物快速筛查法优化
Yu Yang,Edward P C Lai
Yu Yang
A new method was optimized for rapid screening of 17β-estradiol (E2) in water under 10 min. Molecularly imprinted polymer (MIP) particles (325 ± 25 nm) were added in a water sample at pH 5.5 and 20°C to form a suspension. Fluorescence em...