Nuclear magnetic resonance (NMR) spectroscopy is a technique that detects the chemical environment of atomic nuclei by the absorption of radio-frequency electromagnetic radiation when in the ...

Department of Chemistry, Virginia Tech, Blacksburg, Virginia 24061, United States Department of Sustainable Biomaterials, Virginia Tech, Blacksburg, Virginia 24061, United States ...

Institut de Chimie (UMR 7177), Université de Strasbourg, CNRS, 4 rue Blaise Pascal, 67000 Strasbourg, France ...

在本工作中，我们提出了一种 纤维素高分子链中氢键设计调控手性 的新原理。以商品化的醋酸纤维素为原料，我们开发了一种规模化制备工艺，生产出了具有高 g 值、大面积、优异机械性能、可调颜色和完全生物降解的圆偏振室温磷光（CP-RTP）材料。该材料的 ...

聚醚多元醇结构测试：采用傅里叶变换红外光谱仪、核磁共振仪、凝胶渗透色谱仪进行测试。 MS胶片的硬度测试：按GB/T 531.1—2008进行测定。 MS胶片的拉伸强度和伸长率：按GB/T 528—2009进行测定。 MS胶片的撕裂强度：按GB/T 529—2008进行测定。 MS胶片的剪切强度 ...

Chloroform was evaporated in a rotatory evaporator, resulting in a lipid film that was left to dry overnight. Subsequently, the lipids were resuspended in liposome buffer (50 mM MOPS-NaOH pH 7.0, 200 ...

Dilute solutions of Fe(NCS)2+ have their equilibrium positions shifted with the addition of Fe(NO3)3, KSCN, NaOH, and AgNO3. The ferric thiocyanate solution is blood red in color, and the intensity of ...

The synthetic route was shown in Scheme 2. 2.2. Characterization Method The structures of the intermediates (IP-2 and IP-3) were determined by means of FT-IR while the structures of intermediates ...

Kosher salt is made solely from sodium chloride and doesn’t usually contain additives or iodine. It’s less dense than table salt, and often used in cooking because the larger grains are easy ...

Johna Burdeos is a registered dietitian with 20 years of experience across healthcare settings, including hospitals, nursing homes, and outpatient nutrition counseling. As a freelance health ...