Academic literature on the topic 'Sodium glycerate'
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Journal articles on the topic "Sodium glycerate"
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Pakrieva, Ekaterina, Ekaterina Kolobova, Dmitrii German, Marta Stucchi, Alberto Villa, Laura Prati, Sónia A. C. Carabineiro, Nina Bogdanchikova, Vicente Cortés Corberán, and Alexey Pestryakov. "Glycerol Oxidation over Supported Gold Catalysts: The Combined Effect of Au Particle Size and Basicity of Support." Processes 8, no. 9 (August 20, 2020): 1016. http://dx.doi.org/10.3390/pr8091016.
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Gold nanoparticles supported on various oxides (CeO2, CeO2/TiO2, MgO, MgO/TiO2, La2O3, La2O3/TiO2) (with 4 wt.% Au loading) were investigated in the liquid (aqueous) phase oxidation of glycerol by molecular oxygen under mild conditions, in the presence of alkaline earth (CaO, SrO and MgO) or alkaline (NaOH) bases. Full conversion and selectivity between 38 and 68% to sodium glycerate were observed on different Au supported catalysts (Au/MgO/TiO2, Au/La2O3/TiO2, Au/CeO2 and Au/CeO2/TiO2). The combined effect of Au particle size and basicity of the support was suggested as the determining factor of the activity. Agglomeration of gold nanoparticles, found after the reaction, led to the deactivation of the catalysts, which prevents the further oxidation of sodium glycerate into sodium tartronate. Promising results were obtained with the use of alkaline earth bases (CaO, SrO, MgO), leading to the formation of free carboxylic acids instead of salts, which are formed in the presence of the more usual base, NaOH.
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Valnev, Vladimir A., Vladimir G. Lobanov, and Lev A. Lubnin. "Anodic Dissolution of Non-Ferrous Metals in a Glycerate-Alkali Electrolyte." Materials Science Forum 989 (May 2020): 569–73. http://dx.doi.org/10.4028/www.scientific.net/msf.989.569.
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Studies have been conducted to assess the possibility of refining a lead collector containing precious metals, with the aim of obtaining lead using an economically viable technology. Studied the patterns of anodic oxidation of lead and impurities in alkaline-water-glycerate electrolytes, depending on the concentration of sodium hydroxide and glycerol in the electrolyte, the potential sweep rate.
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Park, Jae Mo, Marvin Wu, Keshav Datta, Shie-Chau Liu, Andrew Castillo, Heather Lough, Daniel M. Spielman, and Kelvin L. Billingsley. "Hyperpolarized Sodium [1-13C]-Glycerate as a Probe for Assessing Glycolysis In Vivo." Journal of the American Chemical Society 139, no. 19 (May 8, 2017): 6629–34. http://dx.doi.org/10.1021/jacs.7b00708.
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Porta, Francesca, and Laura Prati. "Selective oxidation of glycerol to sodium glycerate with gold-on-carbon catalyst: an insight into reaction selectivity." Journal of Catalysis 224, no. 2 (June 10, 2004): 397–403. http://dx.doi.org/10.1016/j.jcat.2004.03.009.
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Qiu, Shuting, Tianqi Gao, Hua He, Xiaojun Zhao, and Zhi-Hong Liu. "Solid CoZn glycerate template-based engineering of yolk-shell bimetallic sulfides heterostructures microspheres confined in N, S-doped carbon as anode materials for lithium/sodium-ion batteries." Journal of Alloys and Compounds 902 (May 2022): 163631. http://dx.doi.org/10.1016/j.jallcom.2022.163631.
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Bowden, Timothy J., Igor Kraev, and Sigrun Lange. "Extracellular Vesicles and Post-Translational Protein Deimination Signatures in Mollusca—The Blue Mussel (Mytilus edulis), Soft Shell Clam (Mya arenaria), Eastern Oyster (Crassostrea virginica) and Atlantic Jacknife Clam (Ensis leei)." Biology 9, no. 12 (November 25, 2020): 416. http://dx.doi.org/10.3390/biology9120416.
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Oysters and clams are important for food security and of commercial value worldwide. They are affected by anthropogenic changes and opportunistic pathogens and can be indicators of changes in ocean environments. Therefore, studies into biomarker discovery are of considerable value. This study aimed at assessing extracellular vesicle (EV) signatures and post-translational protein deimination profiles of hemolymph from four commercially valuable Mollusca species, the blue mussel (Mytilus edulis), soft shell clam (Mya arenaria), Eastern oyster (Crassostrea virginica), and Atlantic jacknife clam (Ensis leei). EVs form part of cellular communication by transporting protein and genetic cargo and play roles in immunity and host–pathogen interactions. Protein deimination is a post-translational modification caused by peptidylarginine deiminases (PADs), and can facilitate protein moonlighting in health and disease. The current study identified hemolymph-EV profiles in the four Mollusca species, revealing some species differences. Deiminated protein candidates differed in hemolymph between the species, with some common targets between all four species (e.g., histone H3 and H4, actin, and GAPDH), while other hits were species-specific; in blue mussel these included heavy metal binding protein, heat shock proteins 60 and 90, 2-phospho-D-glycerate hydrolyase, GTP cyclohydrolase feedback regulatory protein, sodium/potassium-transporting ATPase, and fibrinogen domain containing protein. In soft shell clam specific deimination hits included dynein, MCM3-associated protein, and SCRN. In Eastern oyster specific deimination hits included muscle LIM protein, beta-1,3-glucan-binding protein, myosin heavy chain, thaumatin-like protein, vWFA domain-containing protein, BTB domain-containing protein, amylase, and beta-catenin. Deiminated proteins specific to Atlantic jackknife clam included nacre c1q domain-containing protein and PDZ domain-containing protein In addition, some proteins were common as deiminated targets between two or three of the Bivalvia species under study (e.g., EP protein, C1q domain containing protein, histone H2B, tubulin, elongation factor 1-alpha, dominin, extracellular superoxide dismutase). Protein interaction network analysis for the deiminated protein hits revealed major pathways relevant for immunity and metabolism, providing novel insights into post-translational regulation via deimination. The study contributes to EV characterization in diverse taxa and understanding of roles for PAD-mediated regulation of immune and metabolic pathways throughout phylogeny.
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Sofiyah, Sofiyah. "Alcoholysis of Nyamplung Seed Oil Using Potassium Carbonate Catalyst." ASEAN Journal of Chemical Engineering 6, no. 2 (November 1, 2006): 66. http://dx.doi.org/10.22146/ajche.50142.
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The production of glycerol and ester by alcoholysis of vegetable oils has been widely studied. Various catalysts, such as sodium and potassium hydroxide and sulfuric acid have been used to increase the rate of reaction. This preliminary research studied the possibility of using potassium carbonate catalyst. The experiment was conducted in an autoclave. A certain amount of nyamplung seed oil was poured into the autoclave and then the heater was switched on to heat up the oil to the required temperature of reaction. Besides, a mixture of ethanol and potassium carbonate was heated in a flask equipped with condenser to form ethanolate. As soon as the required temperature was reached, the ethanolate was quickly put into the autoclave containing the nyamplung seed oil. The temperature of the reaction was kept constant for a period of time. At the end of each process, a sample was withdrawn and analyzed for its glycerine content by acetin method. The variables studied were reaction time and catalyst concentration. The experimental data were evaluated by applying pseudo homogeneous approach. It was found that data were in good agreement with first order reaction with respect to nyamplung seed oil. Using an equivalent ratio of 5.1 ethanol to nyamplung seed oil, a temperature of lOQoC,and an agitation speed of 150 rpm, the favorable catalyst concentration was found to be at 0.008 gram of potassium carbonate per gram of nyamplung seed oil. Under this condition, the glyceride conversion was 0.5159 in 75 min.
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HE, Ming-fei, Wen-qing QIN, Wei-zhong LI, and Ke ZENG. "Pyrite depression in marmatite flotation by sodium glycerine-xanthate." Transactions of Nonferrous Metals Society of China 21, no. 5 (May 2011): 1161–65. http://dx.doi.org/10.1016/s1003-6326(11)60837-6.
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Solanki, Shailendra Singh, Love Kumar Soni, and Rajesh Kumar Maheshwari. "Study on Mixed Solvency Concept in Formulation Development of Aqueous Injection of Poorly Water Soluble Drug." Journal of Pharmaceutics 2013 (March 28, 2013): 1–8. http://dx.doi.org/10.1155/2013/678132.
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In the present investigation, mixed-solvency approach has been applied for the enhancement of aqueous solubility of a poorly water- soluble drug, zaltoprofen (selected as a model drug), by making blends (keeping total concentrations 40% w/v, constant) of selected water-soluble substances from among the hydrotropes (urea, sodium benzoate, sodium citrate, nicotinamide); water-soluble solids (PEG-4000, PEG-6000); and co-solvents (propylene glycol, glycerine, PEG-200, PEG-400, PEG-600). Aqueous solubility of drug in case of selected blends (12 blends) ranged from 9.091 ± 0.011 mg/ml–43.055 ± 0.14 mg/ml (as compared to the solubility in distilled water 0.072 ± 0.012 mg/ml). The enhancement in the solubility of drug in a mixed solvent containing 10% sodium citrate, 5% sodium benzoate and 25 % S cosolvent (25% S cosolvent contains PEG200, PEG 400, PEG600, Glycerine and Propylene glycol) was more than 600 fold. This proved a synergistic enhancement in solubility of a poorly water-soluble drug due to mixed cosolvent effect. Each solubilized product was characterized by ultraviolet and infrared techniques. Various properties of solution such as pH, viscosity, specific gravity and surface tension were studied. The developed formulation was studied for physical and chemical stability. This mixed solvency shall prove definitely a boon for pharmaceutical industries for the development of dosage form of poorly water soluble drugs.
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Joy, Nirma. "Calamine lotion." Journal of Skin and Sexually Transmitted Diseases 4 (January 13, 2022): 83–86. http://dx.doi.org/10.25259/jsstd_77_2021.
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Calamine lotion is a shake lotion composed of calamine (zinc oxide/carbonate and ferric oxide), zinc oxide, bentonite, glycerine, sodium citrate, and liquified phenol. It is used widely in dermatology as a soothing agent. It is a preferred topical therapeutic agent for children including infants and is considered safe in pregnancy and lactation.
Dissertations / Theses on the topic "Sodium glycerate"
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Ситнік, Наталія Сергіївна. "Удосконалення технології переетерифікування жирів з використанням гліцератів лужних металів." Thesis, Український науково-дослідний інститут олій та жирів НААН, 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/23535.
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Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.18.06 – технологія жирів, ефірних масел і парфумерно-косметичних продуктів. – Національний технічний університет "Харківський політехнічний інститут" Міністерства освіти і науки України, м. Харків, 2016.
Дисертаційну роботу присвячено вирішенню конкретного науково-практичного завдання щодо розробки наукових засад технології переетерифікування жирів з використанням нових каталізаторів, які представляють собою гліцерати лужних металів. Визначено триацилгліцерольний склад початкових та переетерифікованих індивідуальних олій. Встановлено вплив переетерифікування з традиційним каталізатором на температуру плавлення олій. Обгрунтовано вибір тестового жиру для досліджень переетерифікування жирів. Доведено ефективність гліцерату калію та гліцерату натрію як каталізаторів переетерифікування жирів. Встановлено характер змін триацилгліцерольного складу тестового жиру у результаті переетерифікування у присутності гліцерату калію в порівнянні з промисловим каталізатором – метилатом натрію. Визначено термін зберігання гліцерату калію та виявлено можливість його регенерування після втрати каталітичної активності. Встановлено залежність каталітичної активності гліцерату калію від основних фізико-хімічних властивостей початкової сировини. Розроблено математичні моделі переетерифікування тестового жиру у присутності гліцерату калію в залежності від основних технологічних параметрів. Сформульовано рекомендації щодо вибору режимів та визначено раціональні умови переетерифікування. Доведено можливість застосування гліцерату калію у виробництві якісних переетерифікованих жирів із сумішей олій та жирів. Проведено економічні розрахунки собівартості гліцерату калію. Розроблено удосконалену технологію хімічного переетерифікування жирів з використанням гліцератів лужних металів. Розроблено проект технологічної інструкції на виробництво жирів переетерифікованих з використанням гліцератів лужних металів.Thesis for a candidate degree of technical sciences by specialty 05.18.06 – fats, essential oils and perfume-cosmetic products technology. – National Technical University "Kharkov Polytechnic Institute" Ministry of Education and Science of Ukraine, Kharkov, 2016. The thesis is dedicated to specific scientific and practical task to develop the scientific foundations of fat interesterification technology using new catalysts that constitute alkali metals glycerates. Triacylglycerol composition of initial and interesterified samples of individual oils was defined. The influence of interesterification with traditional catalyst to the melting point of oils was installed. The choice of test fat for studies of fat interesterification was grounded. The efficiency of potassium glycerate and sodium glycerate as catalysts for interesterification of fats was proved. The character of triacylglycerol composition changes of test fat in the process of interesterification in the presence of potassium glycerate compared with industrial catalyst sodium methylate was installed. Shelf life of potassium glycerate was defined and the possibility of recovery after the loss of catalytic activity was revealed. The dependence of the catalytic activity of potassium glycerate on basic physical and chemical properties of the original material was installed. The mathematical model of the interesterification of test fat in the presence of potassium glycerate depending on the basic technological parameters was developed. Recommendations on the choice of modes were formulated and rational conditions of the interesterification were defined. The possibility of potassium glycerate use in the production of qualitive interesretified fats with mixtures of oils and fats was proved. Economic analysis of the cost potassium glycerate was conducted. The advanced chemical fat interesrerification technology using alkali metals glycerates was developed. The project of technical regulations for production of interesretified fats using alkali metals glycerates was developed.
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Ситнік, Наталія Сергіївна. "Удосконалення технології переетерифікування жирів з використанням гліцератів лужних металів." Thesis, НТУ "ХПІ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/23534.
Full textAbstract:
Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.18.06 – технологія жирів, ефірних масел і парфумерно-косметичних продуктів. – Національний технічний університет "Харківський політехнічний інститут" Міністерства освіти і науки України, м. Харків, 2016.
Дисертаційну роботу присвячено вирішенню конкретного науково-практичного завдання щодо розробки наукових засад технології переетерифікування жирів з використанням нових каталізаторів, які представляють собою гліцерати лужних металів. Визначено триацилгліцерольний склад початкових та переетерифікованих індивідуальних олій. Встановлено вплив переетерифікування з традиційним каталізатором на температуру плавлення олій. Обгрунтовано вибір тестового жиру для досліджень переетерифікування жирів. Доведено ефективність гліцерату калію та гліцерату натрію як каталізаторів переетерифікування жирів. Встановлено характер змін триацилгліцерольного складу тестового жиру у результаті переетерифікування у присутності гліцерату калію в порівнянні з промисловим каталізатором – метилатом натрію. Визначено термін зберігання гліцерату калію та виявлено можливість його регенерування після втрати каталітичної активності. Встановлено залежність каталітичної активності гліцерату калію від основних фізико-хімічних властивостей початкової сировини. Розроблено математичні моделі переетерифікування тестового жиру у присутності гліцерату калію в залежності від основних технологічних параметрів. Сформульовано рекомендації щодо вибору режимів та визначено раціональні умови переетерифікування. Доведено можливість застосування гліцерату калію у виробництві якісних переетерифікованих жирів із сумішей олій та жирів. Проведено економічні розрахунки собівартості гліцерату калію. Розроблено удосконалену технологію хімічного переетерифікування жирів з використанням гліцератів лужних металів. Розроблено проект технологічної інструкції на виробництво жирів переетерифікованих з використанням гліцератів лужних металів.Thesis for a candidate degree of technical sciences by specialty 05.18.06 – fats, essential oils and perfume-cosmetic products technology. – National Technical University "Kharkov Polytechnic Institute" Ministry of Education and Science of Ukraine, Kharkov, 2016. The thesis is dedicated to specific scientific and practical task to develop the scientific foundations of fat interesterification technology using new catalysts that constitute alkali metals glycerates. Triacylglycerol composition of initial and interesterified samples of individual oils was defined. The influence of interesterification with traditional catalyst to the melting point of oils was installed. The choice of test fat for studies of fat interesterification was grounded. The efficiency of potassium glycerate and sodium glycerate as catalysts for interesterification of fats was proved. The character of triacylglycerol composition changes of test fat in the process of interesterification in the presence of potassium glycerate compared with industrial catalyst sodium methylate was installed. Shelf life of potassium glycerate was defined and the possibility of recovery after the loss of catalytic activity was revealed. The dependence of the catalytic activity of potassium glycerate on basic physical and chemical properties of the original material was installed. The mathematical model of the interesterification of test fat in the presence of potassium glycerate depending on the basic technological parameters was developed. Recommendations on the choice of modes were formulated and rational conditions of the interesterification were defined. The possibility of potassium glycerate use in the production of qualitive interesretified fats with mixtures of oils and fats was proved. Economic analysis of the cost potassium glycerate was conducted. The advanced chemical fat interesrerification technology using alkali metals glycerates was developed. The project of technical regulations for production of interesretified fats using alkali metals glycerates was developed.
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Ndlovu, Nozizwe. "In vitro antimicrobial properties of a mouthrinse containing glycerine, potassium nitrate and sodium fluoride." Thesis, 2008. http://hdl.handle.net/10539/4735.
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ABSTRACT
Introduction: Patients who have received radiation therapy due to oral cancers often
present with complications such as salivary dysfunction, mucositis, soft tissue
necrosis, infections and dental caries. The aim of this study was to investigate the
antimicrobial properties of an experimental mouthrinse which also contains analgesic
and anticaries compounds and can be used in the management of patients with oral
cancers after radiation therapy.
Methods: The experimental mouthrinse contained a mixture of 30% glycerine
(antimicrobial agent), 7% potassium nitrate (analgesic) and 0.025% sodium fluoride
(anticaries agent). The minimal inhibitory concentration (MIC) of these ingredients
was tested against Candida albicans, Staphylococcus aureus and Streptococcus
mutans over 24 hours at different concentrations. MICs of commercially available
mouthrinses containing chlorhexidine digluconate (Corsodyl®) and fluoride with
triclosan (Plax®) were also determined using the same organisms. All mouthrinses
were then tested to determine the percentage kill over 1, 2, and 3 minutes. The costs
of these mouthrinses were also compared.
Results: The MICs for glycerine were 10%, 25% and 10% for C. albicans, S. aureus
and S. mutans respectively. Potassium nitrate, sodium fluoride and alum did not show
any antimicrobial effects. The MIC of Corsodyl® was <0.02 mg/ml for all the test
organisms. The MIC for Plax was 0.02 mg/ml, <0.002 mg/ml and 0.005 mg/ml for C.
albicans, S. aureus and S. mutans respectively. Combining glycerine, potassium
nitrate and sodium fluoride into a mixture did not affect the antimicrobial properties
of these constituents. The mixture killed 99.78%, 99.88% and 99.98% of C. albicans,
61.74%, 70.64% and 85.09% of S. aureus and 91.72%, 99.47% and 99.99% of S.
mutans after 1, 2 and 3 minutes respectively. Two percent chlorhexidine digluconate
killed 98.98%, 99.97% and 99.99% of C. albicans, 95.83%, 99.68% and 99.97% of S.
aureus and 99.98%, 99.96% and 99.99% of S. mutans after 1, 2 and 3 minutes
respectively. Plax® killed 99.99% of C. albicans in one minute, 99.66%, 99.99% of S.
aureus in 1 and 2 minutes respectively; and 99.89%, 99.96% and 99.99% of S. mutans
in 1, 2 and 3 minutes respectively. The costs of similar amounts of the experimental
mouthrinse, Corsodyl® and Plax® were R5.24, R30.00 and R10.00 respectively.
Conclusion: A mouthrinse effective in relieving oral symptoms in patients receiving
radiation therapy needs to show some antimicrobial activity against in particular, C.
albicans and S. mutans, whilst at the same time having a palliative effect. This study
has shown that the experimental mouthrinse will fulfil these requirements. The
experimental mouthrinse was found to be the cheapest in comparison to Corsodyl®
and Plax®.
Book chapters on the topic "Sodium glycerate"
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Bährle-Rapp, Marina. "Sodium Glycereth-1 Polyphosphate." In Springer Lexikon Kosmetik und Körperpflege, 511. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_9550.
Full textConference papers on the topic "Sodium glycerate"
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Nasarudin, Amir Asyraf, Norzita Ngadi, Noorhalieza Ali, Roshanida A. Rahman, Aziatul Niza Sadikin, and Nor Adha Omar. "Screening Factors Influencing Adsorption of Methylene Blue Aqueous Solution Onto Immobilized Glycerine Pitch/Sodium Alginate Beads." In Third International Conference on Separation Technology 2020 (ICoST 2020). Paris, France: Atlantis Press, 2020. http://dx.doi.org/10.2991/aer.k.201229.016.
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Horowitz, B., M. Piët, and A. M. Prince. "TREATMENT OF PLASMA DERIVATIVES WITH UNSATURATED FATTY ACIDS TO INACTIVATE VIRUSES." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644150.
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Virus sterilization of blood plasma derivatives by addition of several naturally occurring fatty acids was evaluated using VSV and Sindbis virus as markers for lipid enveloped virus inactivation. Complete inactivation >4 log10) of virus added to an AHF concentrate with 60-101)% retention of AHF activity was achieved with oleic, 11-eicosenoic, linoleic, linolenic, palmitoleic and arachidonic acids. Elaidic, gamma-linolenic, palmitic, and arachidic acids. Another fat-soluble compound previously reported to inactivate virus, butylated hydroxytoluene, was less effective. A long chain mono- but not a di- or tri-glyceride also displayed virucidal properties.The degree of virus inactivation depended on the sample composition. A favorable balance was achieved between degree of virus inactivation and retention of protein function for AHF concentrate, prothrombin complex concentrate, antithrombin-III concentrate, and immune globulin solution on incubation with 0.033% (w/v) sodium oleateat 24°C for 4-6 hours. Virus inactivation in whole plasma and plasma cryoprecipitate was not complete despite use of higher concentrations of sodiumleate and/or incubation at 37°C.Utilization of fatty acids for thepreparation of blood derivatives has the advantage that they are naturallyoccurring and have low toxicity, thussimplifying the production process. This simplicity encourages the sequential use of fatty acids with other procedures designed to inactivate or remove viruses and which operate by a distinct mechanism.