Finally, all gases and chemicals used in pyrolysis experiments conducted with the help of TGA-TDG were purchased from Sigma-12 Aldrich Corp. Download: Download high-res image (710KB) Download: Download full-size image Fig. 2. The layout of the experiments and analysis’ flowchart. 2.2. ...
The N2-BET specific The protein used here was the bovine serum albumin (BSA) (fraction V, purchased from Sigma-Aldrich), which has an isoelectric point at pH 4.9–5.144,79 and a molecular weight of ≈ 66.5 kDa. All chemical reagents were of analytical grade, and Milli-Q water ...
Sodium hydroxide (Daejung, South Korea), methanol (fisher from USA), n-hexane (Daejung south Korea), palm oil standard, coconut oil (the Earth’s from sir Lanka), palm kernel oil, lard oil (Sigma Aldrich, Germany) were used during the studies. All reagents and solvents were of analytic...
The solid sample of allantoin compound was obtained from Sigma Aldrich Company, USA and it was used as such for spectral measurements. The FTIR spectrum of the compound was recorded on Tensor 37 (Bruker) in the region 370–7500 cm−1 with 2 cm−1 spectral resolution using KBr pellet tec...
Bromine, potassium bromide, sodium hydroxide, potassium iodide, potassium iodate, formic acid, leucocrystal violet procured from Sigma-Aldrich Pvt. Ltd. Bangalore. All solutions were prepared in double distilled water. 2.2. Apparatus UV–Vis absorption spectrum was performed on double beam ...
2,3-Dimethyl-2,3-dinitrobutane (DMDNB, 98% purity) was purchased from Sigma Aldrich and methanol (99.9% purity) was purchased from ChemSupply Australia. A standard stock solution of 1 g/L (0.1%) DMDNB in methanol was prepared, and then serially diluted to prepare standards of 0.1 g/...
(Alabaster, AL, USA) and most of the other chemicals were from Sigma-Aldrich (St. Louis, MO, USA). The N-terminal decapeptide of human pancreatic PLA2 containing a C-terminal thioester group (Ala-Val-Trp-Gln-Phe-Arg-Lys-Met-Ile-Lys- COSCH2COOH) was synthesized by SynPep Corp. (...
99-7, Sigma-Aldrich 公司)。表 1 三七样品信息 Table 1 Information of P. notoginseng samples 编号数量 产地编号数量产地 15 文山州丘北县 75 红河州蒙自县 25 文山州文山县 85 红河州 建水县 35 文山州砚山县 95 玉溪市江川县 45 曲靖市马龙县 105 玉溪市峨山县 55 曲靖市罗平县 115 昆明市石林县 ...
anhydrous sodium carbonate, ethanol-d3, Folin and Ciocalteu’s phenol reagent, formic acid, galacturonic acid, gallic acid, glucose, hydrochloric acid, inositol, lignin alkali, N-methylimidazole sodium acetate, sodium borohydride (NaBH4) and sodium hydroxide were from Sigma-Aldrich (Deisenhofen, Germ...
(iron II sulphate heptahydrate, ACS reagent, >99%; Sigma-Aldrich) [75] was prepared and poured into the glass beaker, followed by the addition of 100 ml of 30% H2O2(hydrogen peroxide 30%w/v, 100 volumes, Extra Pure SLR, Fisher Chemical; Fisher Scientific). FeSO4was pre-filtered using ...