紫杉醇 现货促销规格: 20mg/支 Sodium lauroyl sarcosine 栀子苷(京尼平苷) 现货促销 规格: 20mg/支 Ammonium acetate 大麦芽碱 现货促销规格: 20mg/支 Cellulose, Microcrystalline 厚朴酚 现货促销规格: 20mg/支 alphaLactose, monohydrate 和厚朴酚 现货促销规格: 20mg/支 Calcium chloride, dihydrate ...
How to calculate the mass percent of acetic acid in vinegar. Calculate the pH of a solution prepared by dissolving 2.20 g of sodium acetate, CH3COONa, in 74.5 mL of 0.20 M acetic acid. (Ka of CH3COOH is 1.75 x 10^-5) Calculate the pH of a buffer with different moles of a weak a...
First, to quantitate the influence of the buried water molecules on the pKa value of Glu-66 by comparing different structure-based pKa calculations, some of which omitted the internal water molecules, others which treated them explicitly. Second, to test the hypothesis that the buried ionizable ...
If the ratio of A^- to HA is 0.01, what is the pH of the buffer? 1.00 M acetic acid, K_a=1.75 times 10^{-5}, and 1.00 M sodium acetate to make a buffer. What is the maximum buffer capacity of pH? A buffer solution is made using a weak acid, HA, with a pK_a of 4.63....
Then the filtrate was passed through an Agilent ZORBAX Extend-C18 column (4.6 mm × 250 mm, 5 μm) at a speed of 0.8 mL per minute with two mobile phases: acetonitrile (A) and 25 mmol/L ammonium acetate and 8 mmol/L sodium dodecyl sulfate solution (B). HPLC signals were recorded ...
(eluent:n-hexane/ethyl acetate = 2/1) to yield 4-benzyl-1,2-dimethoxybenzene as colorless oil (176 mg, 84%). The1H NMR parameters (500 MHz, CDCl3) were d 7.77 (t,J = 7.2 Hz, 2 H), 7.23–7.19 (m, 3 H), 6.82 (d,J = 8.0 Hz, 1 H), 6.75 (...
For covalent coupling of the C subunits, carboxymethylated sensor chip surfaces (CM5, research grade, GE Healthcare) were activated with NHS/EDC for 7 min and non-myristylated Cα1, Cα2 and myrCα1 (5 μg/μl in 10 mM sodium acetate plus 200 μM ATP and 500 μM MgCl2 with a ...
Given increasing risk of cadmium-induced neurotoxicity, the study was conducted to delineate the molecular mechanisms associated with cadmium-induced motor dysfunctions and identify targets that govern dopaminergic signaling in the brain involving in viv
What would be the pH of a solution if 75 You need to produce a buffer with pH of 5.75. You have a solution with 30.0 g of acetic acid (pKa = 4.75). How many moles of sodium acetate must you add to achieve the desired pH?. CH3COOH \rightarrow CH3COO^-...
The invention relates to non-peptidic molecules which modulate, especially inhibit, the interaction of protein kinase A (PKA) and A kinase anchor proteins (AKAP) and to a host or target organism that comprises said non-peptidic compounds or recognition molecules directed to said compounds, such as...