With pharmaceutical and biotechnology R&D witnessing unprecedented growth, molecular spectroscopy methods such as nuclear magnetic resonance (NMR), Fourier transform infrared (FTIR), and Raman ...

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations ...

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In addition, gel permeation chromatography (GPC) and nuclear magnetic resonance (NMR) were used to evaluate the changes in the molecular weight and isoprene skeleton of the rubber. Finally, we ...

Nuclear magnetic resonance (NMR) spectra were recorded on a JEOL ECZ500R (500 MHz) NMR spectrometer using JEOL Delta (version 6.2) for data acquisition; or a Bruker AVANCE III 400 solid-state NMR ...

当在标准EI离子源的SIM模式下测量OFN 0.005至 1,000 pg时，校准曲线的决定系数为0.999或更高，并获得了良好的线性。5位数以上的宽动态范围不仅对定量分析有效，而且有效对不同浓度的混合样品的定性分析。 使用Peak Dependent SIM进行简单且高灵敏度的定量分析，您不 ...

Secretins form multimeric channels across the outer membrane of Gram-negative bacteria that mediate the import or export of substrates and/or extrusion of type IV pili. The secretin complex of Thermus ...

Semen is the main vector for HIV transmission and contains amyloid fibrils that enhance viral infection. Available microbicides that target viral components have proven largely ineffective in ...