
Mariam KholanyUniversity of Aveiro | UA · Department of Chemistry
Mariam Kholany
Master of Biotechnology
About
10
Publications
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Introduction
Mariam Kholany is currently a PhD student/researcher at the research group "Process and Product Applied Thermodynamics" (PATh), CICECO - Aveiro Institute of Materials, University of Aveiro, Portugal. Her major interests are the development of integrated processes for the purification of pharmaceuticals and bio-active compounds and the biorefinery concept associated to marine biomass, envisioning new natural-bio-based products.
Publications
Publications (10)
Haloarchaea make up a class of untapped marine microbial resources that constitute a promising source of valuable compounds with unique characteristics. Bacterioruberin is a C50 carotenoid produced by haloarchaea that possesses interesting antioxidant properties and bioactivities relevant to the food and cosmetic industries. As a substitute for the...
Microalgae, macroalgae and cyanobacteria are photosynthetic microorganisms, prokaryotic or eukaryotic, living in saline or freshwater environments. These have been recognized as valuable carbon sources, able to be used for food, feed, chemicals, and biopharmaceuticals. From the range of valuable compounds produced by these cells, some of the most i...
Haloarchaea microorganisms are little explored marine resources that can be a promising source of valuable compounds with unique characteristics, due to their adaptation to extreme environments. In this work, the extraction of bacterioruberin and proteins from Haloferax mediterranei ATCC 33500 was investigated using aqueous solutions of ionic liqui...
Microalgae have an outstanding capacity to efficiently produce value-added compounds. They have been inspiring researchers worldwide to develop a blue biorefinery, supporting the development of the bioeconomy, tackling the environmental crisis, and mitigating the depletion of natural resources. In this review, the characteristics of the carotenoids...
This work aims to take full advantage of ionic liquids’ (ILs) “designer solvent” nature in order to expand the applicability of solid-liquid biphasic systems (SLBS) as alternative chiral resolution techniques. To this purpose, twelve chiral ILs, bearing chirality on the cation or the anion, were used as chiral selectors in SLBS to selectively preci...
BACKGROUND
The demand for colorants from natural bio‐based sources is increasing. Violacein is a natural purple‐blue hydrophobic pigment with interesting bioactivity whose expression in genetically modified Yarrowia lipolytica production was successfully achieved.
RESULTS
In this work, several surfactants were tested in the extraction of violacein...
A tuneable thermoresponsive system based on combinations of sodium dodecyl sulfate surfactant with tetrabutylammonium chloride salt is presented as an integrated process for the solid-liquid extraction of violacein from bio-engineered...
This work aims at extending the applicability of chiral aqueous biphasic systems (ABS) to enantioseparations by using chiral ionic liquids (CILs) simultaneously as phase forming agents and chiral selectors. After determining the ternary phase diagrams of ABS composed of CILs and salts, these were used to ascertain the CIL structure on the ABS aptit...
Aiming at outlining new strategies for the valorization of solid pharmaceutical wastes as viable alternatives to incineration, this work proposes the use of ionic liquids-based three phase partitioning (IL-based TPP) systems. Ibuprofen, naproxen and ketoprofen, all belonging to the class of non-steroidal anti-inflammatory drugs (NSAIDs), were adopt...
Aqueous biphasic systems (ABS) based on Pluronic L-35, a (EO)x-(PO)y-(EO)x triblock copolymer, were determined and applied in the separation of two structurally similar flavonoids (naringin and rutin). Two sets of phase formers were paired with Pluronic L-35, one comprising conventional salts/buffer and other including cholinium-based ionic liquids...