首页> 美国政府科技报告 >Mass Spectral Investigations on Toxins. 7. Detection and Accurate Quantitation of Picogram Quantities of Macrocyclic Trichothecenes in Brazilian Plant Samples by Direct Chemical Ionization-Mass Spectrometer/Mass Spectrometer Techn

【24h】

Mass Spectral Investigations on Toxins. 7. Detection and Accurate Quantitation of Picogram Quantities of Macrocyclic Trichothecenes in Brazilian Plant Samples by Direct Chemical Ionization-Mass Spectrometer/Mass Spectrometer Techn

机译：毒素的质谱研究。 7.通过直接化学电离 - 质谱/质谱技术检测和精确定量巴西植物样品中大环单端孢菌素的量子图数量

获取原文

页面导航

摘要
著录项
相似文献
相关主题

摘要

Roridins and baccharinoids are macrocyclic trichothecenes. They formed (M+NH4)(+) adducts effectively with ammonia under chemical ionization conditions. The daughter spectra of these adducts were characteristic of the macrocyclic ester bridges and indicate several common neutral losses. Experiments designed for the simultaneous detection of these macrocyclic trichothecenes by sequentially monitoring their characteristic daughter ions and the corresponding parent spectra were found to be applicable for the analysis of Brazilian Baccharis plants. The compounds detected in these samples were accurately quantified using a synthetically modified macrocyclic trichothecene, 8-ketoverrucarin A, as the internal standard. The minimum detectable limits of roridins and baccharinoids under various experimental conditions used for their detection and quantification were measured to be 10-100 pg.

著录项

作者
Krishnamurthy, T.; Sarver, E. W.;
展开▼
作者单位

展开▼
年度 1987
页码 p.1-32
总页数 32
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Phytotoxins; Mass spectroscopy; Ammonia; Chemicals; Detection; Ionization; Ions; Mass spectra; Spectra; Plants(Botany); Plants(Botany); Synchronism; Toxins and antitoxins; Mass spectrometers; Test methods; Test equipment;

机译：植物毒素;质谱;氨;化学品;检测;电离;离子;质谱;光谱;植物（植物学）;植物（植物学）;同步;毒素和抗毒素;质谱仪;测试方法;测试设备;

相似文献

外文文献
中文文献
专利

1. Quantitation of small molecules using high-resolution accurate mass spectrometers - a different approach for analysis of biological samples [J] . Zhang NR, Yu S, Tiller P, Rapid Communications in Mass Spectrometry: RCM . 2009,第7期

机译：使用高分辨率精确质谱仪定量小分子-分析生物样品的另一种方法
2. PHENOLIC PROFILE OF TUNISIAN OPUNTIA FICUS INDICA THORNLESS FORM FLOWERS VIA CHROMATOGRAPHIC AND SPECTRAL ANALYSIS BY REVERSED PHASE-HIGH PERFORMANCE LIQUID CHROMATOGRAPHY-UV-PHOTODIODE ARRAY AND ELECTROSPRAY IONIZATION-MASS SPECTROMETER [J] . Nizar Yeddes, Jamila Kalthoum Cherif, Sylvain Guyot, International Journal of Food Properties . 2014,第4a5a6期

机译：反相高效液相色谱-紫外-光电二极管和电离电离-质谱仪通过反相色谱和光谱分析对突尼斯仙人掌印度菊无花果形形态的酚谱
3. Phenolic Profile of Tunisian Opuntia Ficus Indica Thornless form Flowers via Chromatographic and Spectral Analysis by Reversed Phase-High Performance Liquid Chromatography-UV-Photodiode Array and Electrospray Ionization-Mass Spectrometer [J] . Nizar Yeddes, Jamila Kalthoum Chérif, Sylvain Guyot, International journal of food properties . 2014,第4期

机译：反相高效液相色谱-紫外-光电二极管阵列和电喷雾电离-质谱仪通过色谱和光谱分析突尼斯仙人掌印度cus无刺形花的酚类分布
4. QUANTITATION OF SERUM CREATININE IN MICE USING HYDROPHILIC INTERACTION LIQUID CHROMATOGRAPHY (HILIC) COUPLED WITH HIGH-RESOLUTION ACCURATE-MASS (HRMS) ORBITRAP MASS SPECTROMETER [C] . Hidenori Takada, Yuko Ube, Mariko Sakai, International Mass Spectrometry Conference . 2018

机译：使用亲水性相互作用液相色谱（HILIC）与高分辨率精确质量（HRMS）玻璃砂质谱仪进行定量血清肌酐
5. Development of a laser ablation quadrupole ion trap mass spectrometer for direct spectrometry of solid samples. [D] . Gill, Christopher George. 1994

机译：开发用于固体样品直接光谱分析的激光烧蚀四极离子阱质谱仪。
6. Accurate Label-Free Protein Quantitation with High- and Low-Resolution Mass Spectrometers [O] . Jocelyn F. Krey, Phillip A. Wilmarth, Jung-Bum Shin, -1

机译：高分辨率和低分辨率质谱仪实现准确的无标记蛋白质定量
7. Determination of the Presence or Absence of Sulfur Materials in Drywall Using Direct Analysis in Real Time in Conjunction with an Accurate-Mass Time-of-Flight Mass Spectrometer [O] . Curtis Matthew E., Jones Patrick R., Sparkman O. David, 2009

机译：实时直接分析与精确质量飞行时间质谱仪联用，实时确定干壁中硫物质的存在与否

Mass Spectral Investigations on Toxins. 7. Detection and Accurate Quantitation of Picogram Quantities of Macrocyclic Trichothecenes in Brazilian Plant Samples by Direct Chemical Ionization-Mass Spectrometer/Mass Spectrometer Techn

摘要

著录项

相似文献

相关主题

期刊订阅