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View article: Natural Oils as Green Solvents for Reactive Extraction of 7-Aminocephalosporanic Acid: A Sustainable Approach to Bioproduct Recovery in Environmental Biotechnology
Natural Oils as Green Solvents for Reactive Extraction of 7-Aminocephalosporanic Acid: A Sustainable Approach to Bioproduct Recovery in Environmental Biotechnology Open
The growing need for environmentally friendly separation processes has motivated the search for alternative solvents to petroleum-derived chemicals for the recovery of biosynthesized products. Although effective, conventional petroleum-bas…
View article: Efficient Recovery of Valeric Acid Using Phosphonium-Based Ionic Liquids
Efficient Recovery of Valeric Acid Using Phosphonium-Based Ionic Liquids Open
This study explores the application of phosphonium-based ionic liquids (ILs) for the efficient separation of valeric acid (VA) through reactive liquid–liquid extraction. Two hydrophobic quaternary phosphine ILs, trihexyl(tetradecyl)phospho…
View article: Reactive extraction of muconic acid by hydrophobic phosphonium ionic liquids - Experimental, modelling and optimisation with Artificial Neural Networks
Reactive extraction of muconic acid by hydrophobic phosphonium ionic liquids - Experimental, modelling and optimisation with Artificial Neural Networks Open
Muconic acid is a six-carbon dicarboxylic acid with conjugated double bonds that finds extensive use in the food (additive), chemical (production of adipic acid, monomer for functional resins and bio-plastics), and pharmaceutical sectors. …
View article: Studies on Reactive Extraction of Itaconic Acid from Fermentation Broths
Studies on Reactive Extraction of Itaconic Acid from Fermentation Broths Open
Itaconic acid is a high-value organic acid that serves as a platform molecule in different industries. This research focuses on the separation of itaconic acid using reactive extraction as a sustainable and efficient method for acid recove…
View article: Can Combining Hyaluronic Acid and Physiotherapy in Knee Osteoarthritis Improve the Physicochemical Properties of Synovial Fluid?
Can Combining Hyaluronic Acid and Physiotherapy in Knee Osteoarthritis Improve the Physicochemical Properties of Synovial Fluid? Open
Known as the degenerative disease of the knee with the highest prevalence, knee osteoarthritis (KOA) is characterized by a gradual destructive mechanism that, in severe cases, can provoke the need for total knee substitution. As the diseas…
View article: Cellular Stress Impact on Yeast Activity in Biotechnological Processes—A Short Overview
Cellular Stress Impact on Yeast Activity in Biotechnological Processes—A Short Overview Open
The importance of Saccharomyces cerevisiae yeast cells is known worldwide, as they are the most used microorganisms in biotechnology for bioethanol and biofuel production. Also, they are analyzed and studied for their similar internal bioc…
View article: Beta vulgaris L.—A Source with a Great Potential in the Extraction of Natural Dyes Intended for the Sustainable Dyeing of Wool
Beta vulgaris L.—A Source with a Great Potential in the Extraction of Natural Dyes Intended for the Sustainable Dyeing of Wool Open
Beta vulgaris L. is a biennial plant easily accessible all over the world, rich in various biologically active compounds, especially a class of extremely bioactive pigments known as betalains. These dyes predominate in the pulp and peels o…
View article: Physicochemical Characterization of Hyaluronic Acid Vascosupplemented Synovial Fluid in Combination with Physiotherapy in Knee Osteoarthritis
Physicochemical Characterization of Hyaluronic Acid Vascosupplemented Synovial Fluid in Combination with Physiotherapy in Knee Osteoarthritis Open
Knee Osteoarthritis (KOA), the most common knee degenerative disease, involve a slow destructive process, leading to disability and ultimately total knee replacement. The progression of KOA is related to the loss of rheological properties …
View article: Folic Acid Ionic-Liquids-Based Separation: Extraction and Modelling
Folic Acid Ionic-Liquids-Based Separation: Extraction and Modelling Open
Folic acid (vitamin B9) is an essential micronutrient for human health. It can be obtained using different biological pathways as a competitive option for chemical synthesis, but the price of its separation is the key obstacle preventing t…
View article: Gallic Acid Reactive Extraction with and without 1-Octanol as Phase Modifier: Experimental and Modeling
Gallic Acid Reactive Extraction with and without 1-Octanol as Phase Modifier: Experimental and Modeling Open
Gallic acid (GA) is a naturally occurring phenolic acid that can be found in the leaves, roots, flowers, or stems of a wide variety of plant species. It has a broad range of uses in the food and pharmaceutical industries. The objective of …
View article: Improved Production of α-Amylase by Aspergillus terreus in Presence of Oxygen-Vector
Improved Production of α-Amylase by Aspergillus terreus in Presence of Oxygen-Vector Open
n-Dodecane has been investigated as an oxygen-vector for improving α-amylase biosynthesis using the strain Aspergillus terreus. In aerobic microbial cultivation, continuous supply of oxygen is required especially due to its low solubility …
View article: Rehabilitation of Patients with Moderate Knee Osteoarthritis Using Hyaluronic Acid Viscosupplementation and Physiotherapy
Rehabilitation of Patients with Moderate Knee Osteoarthritis Using Hyaluronic Acid Viscosupplementation and Physiotherapy Open
Knee osteoarthritis (KOA) is one of the most common public health problems which cannot be cured and ultimately leads to disability. Current management is largely limited to the treatment of the symptoms. To avoid the late stages of KOA th…
View article: Evaluation of the hydrodynamic regime of aerobic stirred bioreactors using the mixing distribution criteria. 1. Simulated broths
Evaluation of the hydrodynamic regime of aerobic stirred bioreactors using the mixing distribution criteria. 1. Simulated broths Open
Broths circulation inside the aerobic stirred bioreactors provided with single or multiple impellers is complex, due to the cumulated pneumatic and mechanical agitation.The studies on mixing distribution for aerated simulated broths underl…
View article: Green Chemistry in the Extraction of Natural Dyes from Colored Food Waste, for Dyeing Protein Textile Materials
Green Chemistry in the Extraction of Natural Dyes from Colored Food Waste, for Dyeing Protein Textile Materials Open
The beetroot peels can be a sustainable source of betalains that can dye the wool materials through green processes based on low water and energy consumption. Green chemistry in the extraction of betalains from colored food waste/peels fro…
View article: Direct Extraction of Fumaric Acid from Rhizopus oryzae Suspensions—Interfacial Mass Transfer
Direct Extraction of Fumaric Acid from Rhizopus oryzae Suspensions—Interfacial Mass Transfer Open
Experimental studies on the reactive extraction of fumaric acid with Amberlite LA-2 from Rhizopus oryzae suspensions using three solvents with different dielectric constants varying from 9.08 to 1.90 (dichloromethane, n-butyl acetate, and …
View article: Differentiable 3D CAD Programs for Bidirectional Editing
Differentiable 3D CAD Programs for Bidirectional Editing Open
Modern CAD tools represent 3D designs not only as geometry, but also as a program composed of geometric operations, each of which depends on a set of parameters. Program representations enable meaningful and controlled shape variations via…
View article: 7-AMINOCEPHALOSPORANIC ACID – PRODUCTION AND SEPARATION
7-AMINOCEPHALOSPORANIC ACID – PRODUCTION AND SEPARATION Open
Cephalosporins, a large group of β-lactam antibiotics, contain a 7-aminocephalosporanic acid (7-ACA) nucleus which is derived from cephalosporin C, and substitutions of chemical groups or modifications of 7-ACA side-chains resulting in var…
View article: CHANGES OF OXIDATIVE STRESS CAUSED BY PHYSICAL ACTIVITY
CHANGES OF OXIDATIVE STRESS CAUSED BY PHYSICAL ACTIVITY Open
Free radicals and reactive oxygen species are produced in the human body as a part of metabolic processes. Reactive species in low levels are important for cellular activities. Excessive amounts of reactive species can be harmful because t…
View article: CORRELATION BETWEEN AERATION AND ERGOSTEROL PRODUCTION BY YEASTS
CORRELATION BETWEEN AERATION AND ERGOSTEROL PRODUCTION BY YEASTS Open
α, β, , are coefficients and exponents), and offer a good agreement with the experiments, the average deviations being 5.94% for batch fermentation and 4.18% for fed-batchfermentation.
View article: VALORIZATION OF MICROALGAL BIOMASS
VALORIZATION OF MICROALGAL BIOMASS Open
Microalgae can be considered as significant sources of sustainable and beneficial biocompounds such as carotenoids, lipids, proteins, polysaccharides, pigments, vitamins etc., with many uses in energy production (biofuels), pharmaceutical,…
View article: SYNERGIC EXTRACTION OF PANTOTHENIC ACID WITH TWO DIFFERENT EXTRACTANTS
SYNERGIC EXTRACTION OF PANTOTHENIC ACID WITH TWO DIFFERENT EXTRACTANTS Open
The influences of extractants concentrations and solvent polarity on the efficiency of pantothenic acid separation by synergic extraction with tri-n-octylamine (TOA) and di(2-ethylhexyl) phosphoric acid (D2EHPA) mixture have been analyzed.…
View article: ECO-FRIENDLY PRODUCTION OF CHEMICALS 1. IMPROVEMENT OF ENZYMATIC PRODUCTION OF ACETOPHENONE BY DIRECT EXTRACTION
ECO-FRIENDLY PRODUCTION OF CHEMICALS 1. IMPROVEMENT OF ENZYMATIC PRODUCTION OF ACETOPHENONE BY DIRECT EXTRACTION Open
Acetophenone can be enzymatically produced by conversion of methylbenzylamine using transaminase.The enzymatic process is strongly affected by the product inhibition, thus requiring the acetophenone removal from the media during its synthe…
View article: SEPARATION OF SUCCINIC ACID FROM FERMENTATION BROTHS. MODELLING AND OPTIMIZATION
SEPARATION OF SUCCINIC ACID FROM FERMENTATION BROTHS. MODELLING AND OPTIMIZATION Open
Succinic acid is widely used in different industries, its demand increasing each year.Therefore, efficiently producing it (especially from bio-regenerable sources) is an aspect that researchers try to solve thorough different methods, one …
View article: COMPARATIVE STUDIES ON KINETICS OF ANAEROBIC AND AEROBIC BIODEGRADATION OF LIPIDS FROM OLIVE OIL MILL WASTEWATERS WITH MIXTURE OF Bacillus spp. CELLS
COMPARATIVE STUDIES ON KINETICS OF ANAEROBIC AND AEROBIC BIODEGRADATION OF LIPIDS FROM OLIVE OIL MILL WASTEWATERS WITH MIXTURE OF Bacillus spp. CELLS Open
The experiments on the olive oil mill wastewater treatment for removing the lipids by anaerobic and aerobic biodegradation with mixed Bacillus spp.culture indicated that the rate of the aerobic process is up to two times higher than that o…
View article: DISTRIBUTION OF OXYGEN TRANSFER RATES IN STIRRED BIOREACTOR FOR DIFFERENT FERMENTATION BROTHS - OXYGEN-VECTOR DISPERSIONS
DISTRIBUTION OF OXYGEN TRANSFER RATES IN STIRRED BIOREACTOR FOR DIFFERENT FERMENTATION BROTHS - OXYGEN-VECTOR DISPERSIONS Open
The oxygen transfer into the fermentation broths could be improved in presence of oxygen-vectors, without intensification of mixing or aeration.The experimental results for simulated, P. shermanii and S. cerevisiae broths indicated the sig…