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1 Μαρ 2019 · Plasmids were purified using the NucleoBond Xtra Midi kit (Macherey-Nagel, 740410.100), DNA fragments by NucleoSpin Gel and PCR clean-up (Macherey-Nagel, 740609.50) and RNA by acidic phenol ...
31 Οκτ 2022 · The purity and structure characteristics of different polysaccharides greatly restrict the in-depth study of their bioactivity mechanism. Therefore, this guideline will display the extraction, isolation, purification, and structural characterization of polysaccharides from natural resources.
Topical gels are a topical drug delivery dosage form commonly used in cosmetics and treatments for skin diseases because of their advantages over cream and ointment. [1] [2] [3] [4] They are formed from a mixture of gelator, solvent, active drug, and other excipients, and can be classified into organogels and hydrogels.
17 Απρ 2018 · Adsorption column chromatography is widely used for the separation of natural products, especially in the initial separation stage, due to its simplicity, high capacity and low cost of adsorbents such as silica gel and macroporous resins.
15 Νοε 2018 · In the present work, a series of enzymatically-synthesized furan-functionalized bio-based polyesters were prepared via polycondensation in a selection of neoteric solvents; 2-methyltetrahydrofuran (2-MeTHF), 2,5-dimethyltetrahydrofuran (DMeTHF), TMO and pinacolone.
16 Ιουν 2017 · The monomer dicyclopendiene, the chain transfer agent 1-octene, and the solvent toluene were purified by dehydration and degassing. Purified dicyclopentadiene (15 mmol), 1-octene (0.015 mmol), and toluene (6 mL) were added via syringe to a 25 ml flask.
