Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 15 of 15 for “"alkaline treatment"”.
-
Determination of L- and D-methionine and L- and D-valine in soy isolate and soy flour samples
… Acid hydrolysis, toasting of soy meal, and alkaline treatment are all conditions which may be responsible for the isomerization of methionine.
-
CHARACTERIZATION OF BIOLOGICALLY ACTIVE MOLECULES OFPHARMACOLOGICAL INTEREST EXTRACTED FROM MICROALGAE BYBIOSUSTAINABLE PROCESSES
… sorokiniana was then subjected to a controlled alkaline treatment with sodium hydroxide (NaOH) to selectively remove chlorophyll, enhancing the purity and quality of the extracts without compromising the integrity of the bioactive compounds. Extracts from Chlorella sorokiniana were characterized …
-
Biodegradable food packaging using agricultural wastes (Banana Pseudostem)
… as the main polymer for bioplastic formation. Alkaline treatment, bleaching, and TEMPO-mediated oxidation coupled with mild mechanical disintegration successfully removed non-cellulosic polysaccharides and isolated nano-sized fibre from banana pseudostem. The nanocellulose had diameters 7-35 …
-
The characterization of mechanical behaviour on kenaf fibre / polypropylene composites
… enhancing their strength and quality through the treatment method. The objective of this study is to identify the effect of alkaline treatment on kenaf fibre in WPC system, to investigate the highest strength of kenaf fibre loading on mechanical properties in WPC, and to evaluate the morphology …
-
Compatibility assessment for physical and mechanical properties of empty fruit bunch cement-bonded fibreboard
… Two compatibility assessments which include alkaline treatment by using sodium Hydroxide (NaOH) and cement accelerators which is Calcium Chloride (CaCl2) and Magnesium Chloride (MgCl2) were carried out on EFB-CB fabrications. The fabrication of EFB-CB specimens was done by incorporating EFB …
-
Hidrólise de resíduos lignocelulósicos utilizando extrato enzimático celulolítico produzido por Trichoderma reesei atcc 2768
… hydrolysis of these substrates after pre-treatment with 1 M NaOH, wet-oxidation as well as a combination of these treatments. Hydrolysis runs were carried at 125 rpm, 50ºC and initial pH of 4.8 for 108 hours. Enzymatic broth produced using cashew apple bagasse treated with 1M NaOH (1.337 …
-
Development of Catalyst on Polymer Support for Organic Compounds Destruction
… in the reactor of catalytic wastewater treatment. To simplify PAN modification, the procedure was also performed using mesh. This PhD research is based on a previous investigation (Ishtchenko V.V., 2000) on modification of polyacrylonitrile (PAN) fibre to produce a catalyst for the …
-
Spectroscopic and Electrochemical Analysis of the Rieske Iron-Sulfur Protein of the Rhodobacter Sphaeroides Bc1 Complex
… of ISP and its water-soluble head domain via alkaline treatment and proteolysis, respectively; (2) characterizing the electrochemical and protolytic properties of the ISP with protein-film cyclic voltammetry: Eacid = 308 +/- 3 mV, Ealk = -134 +/- 6 mV, pKox1 = 7.6 +/- 0.1 mV, pKox2 = 9.6 +/- …
-
Improving the bioconversion of lignocellulosic feedstock to bio-fuels and chemicals
… system. The study therefore developed a treatment technique involving the use of cellulase and ferulic acid esterase enzyme combinations for the treatment of perennial rye grass. The enzyme cocktail at 0.202 ml enzyme/g VS added resulted in efficient bioconversion of the complex polymers …
-
Structural characterization of a glycoprotein cellulase, β-(1[arrow]4)-glucan cellobiohydrolase C, from Trichoderma viride
… short carbohydrate chains is the release by alkaline borohydride treatment of cellobiohydrolase C of 89% of the neutral carbohydrate which is bound through an average of 19.4 0-glycosidic linkages to serine and threonine per molecule of enzyme, Glucosamine was not released from the protein by …
-
Strategies for Improving the Bacterial Biodegradation of PET
… approaches (e.g., UV radiation), chemical treatments (e.g., alkaline treatment), biochemical strategies (utilizing surfactants like cationic surfactant dodecyl trimethylammonium bromide (DTAB) and non-ionic surfactant Dodecyl polyethylene oxide-23 ether (Brij-35)), as well as enzymatic …
-
SURFACE MODIFICATION OF TITANIUM AND TITANIUM ALLOYS TO ENHANCE BONE HEALING
… grinding, plasma spraying, sputter coatings, and alkaline treatment. More significantly, immobilization of drugs, such as, bisphosphonates, played an important role in enhancing the bone healing process. The main aim of the study is to develop and identify a facile surface modification method of …
-
Development and Scale-up Production of a Novel Fibrous Catalyst and Application for Removal of Endocrine Disrupting Compounds
… commercial production and tested for oxidative treatment of contaminants in water. In this work the existing modification process of polyacrylonitrile yarn to create the heterogeneous PAN catalyst has been optimised for the requirements of a scale-up of production in a dye bath type reactor. The …
-
Dual biopolymer production and separation from cultures of Bacillus spp.
… Spirulina powder and orange peel; using four pre-treatment methods, acid treatment, alkaline treatment, water infusion, and microwave exposure. γ-PGA production could not be detected when any of the waste materials was used as a sole medium component. Orange peel using water infusion pre-treatment …
-
The Development of Sustainable Internal Curing Agents Using Natural Hollow Fibres
… focused on examining the impact of different pre-treatment methods on the morphology, chemical composition, and hygroscopic characteristics of MW fibres in the initial phase. Two pre-treatment methods, namely hydrothermal treatment (HT), and hybrid treatment (HY), a combination of hydrothermal …