نتایج جستجو برای: separation and purification
تعداد نتایج: 16849632 فیلتر نتایج به سال:
Abstract 32 Si ( T 1/2 = 153(19) y) is an extremely rare, naturally-occurring isotope that has been considered as a geochronometer suitable for radiometric dating over the time span from 100 to 1000 years ago – proved rather difficult explore in this manner. Past attempts determine half-life have resulted wide range of values possessing significant uncertainties because only low-activity sample...
Single-step fusion-based affinity purification of proteins with pH-controllable linkers was carried out in a fluidic device. The linkers were previously derived from self-splicing protein elements called inteins. Two different linkers were generated to solve two distinct separation problems: one for rapid single-step affinity purification of a wide range of proteins, and the other specifically ...
The advances in therapeutics based on biological macromolecules and their pharmaceutical market have stimulated the development of separation purification techniques like ion-exchange chromatography (IEC). In this regard, effectiveness therapies depends high-purity protein fractions. Although, there are a few differences each batch due to amplification method or degradation effect, which cause ...
In this work, three different graphene-based materials, namely graphite oxide (GrO), thermally reduced graphite oxide (T-RGrO) and ascorbic acid multi-phase reduced graphene oxide (AMP-RGO), were synthesized and used to produce mixed matrix membranes (MMM) based on Matrimid®5218 for as separation. From the samples produced, a complete set of characterization was performed including XRD, FTIR, T...
Lactulose is a synthetic disaccharide which has remarkable applications in food and pharmaceutical fields. Lactulose is not found in nature and it is produced by isomerization reaction of lactose in an alkaline environment. It should be noted that this reaction has a very low yield since significant amount of lactose stays unreacted in the system. Basically, purification of lactulose is difficu...
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