Journal articles: 'Electrostatic Spray Drying'

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Mutukuri, Tarun Tejasvi, Yuh-Fun Maa, Benson Gikanga, Robert Sakhnovsky, and Qi Tony Zhou. "Electrostatic spray drying for monoclonal antibody formulation." International Journal of Pharmaceutics 607 (September 2021): 120942. http://dx.doi.org/10.1016/j.ijpharm.2021.120942.

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Johnson, R. K., R. C. Anantheswaran, and S. E. Law. "Electrostatic-Enhanced Atomization for Spray Drying of Milk." LWT - Food Science and Technology 29, no. 1-2 (January 1996): 71–81. http://dx.doi.org/10.1006/fstl.1996.0010.

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Liu, Hui, Fang Yan, Hong Jie Fang, and Li Dong Zhang. "The Fabrication of Nanometer- and Micrometer-Sized Silica Hollow Spheres." Advanced Materials Research 998-999 (July 2014): 111–14. http://dx.doi.org/10.4028/www.scientific.net/amr.998-999.111.

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Using melamine formaldehyde (MF) microspheres as hard templates and silica colloid as shell precursors, core-shell structures of silica-coated MF microspheres were prepared by the electrostatic adsorption process or spray drying inspired in-situ coating and drying process. Furthermore, nanometer- and micrometer-sized silica hollow spheres were obtained by calcinations in air. The influence of preparation methods and ratio of silica colloid to MF microspheres on the composition, the morphology and size of the core-shell intermediates and the hollow spheres were studied with FTIR, SEM and TEM techniques.

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Copado, Claudia N., Luciana M. Julio, Bernd W. K. Diehl, Vanesa Y. Ixtaina, and Mabel C. Tomás. "Multilayer microencapsulation of chia seed oil by spray-drying using electrostatic deposition technology." LWT 152 (December 2021): 112206. http://dx.doi.org/10.1016/j.lwt.2021.112206.

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Partheniadis, Ioannis, Evangelia Zarafidou, Konstantinos E. Litinas, and Ioannis Nikolakakis. "Enteric Release Essential Oil Prepared by Co-Spray Drying Methacrylate/Polysaccharides—Influence of Starch Type." Pharmaceutics 12, no. 6 (June 19, 2020): 571. http://dx.doi.org/10.3390/pharmaceutics12060571.

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Oregano essential oil (EO) enteric release powder was formulated by spray drying feed emulsions stabilized with polysaccharides (PSC) and Eudragit® L100 (PLM). Different modified starches were used in the PSC component. Spray-dried powders were evaluated for particle size and morphology, dynamic packing, flowability, chemical interactions, reconstitution, and gastric protection. Feed emulsions were stable, indicating the good emulsification ability of the PLM/PSC combination. The presence of polymer in the encapsulating wall neutralized electrostatic charges indicating physical attraction, and FTIR spectra showed peaks of both PLM and PSC without significant shifting. Furthermore, the presence of polymer influenced spray drying, resulting in the elimination of surface cavities and the improvement of powder packing and flowability, which was best when the surface-active, low-viscosity sodium octenyl succinate starch was used (angle of repose 42°). When a PLM/PSC ratio of 80/20 was used in the encapsulating wall, the spray-dried product showed negligible re-emulsification and less than 15% release in pH 1.2 medium for 2 h, confirming gastric protection, whereas at pH 6.8, it provided complete re-emulsification and release. In conclusion, (1) polymer–PSC physical interaction promoted the formation of a smoother particle surface and product with improved technological properties, which is important for further processing, and (2) the gastro protective function of Eudragit® L100 was not impaired due to the absence of significant chemical interactions.

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Dobrowolski, Adrian, Damian Pieloth, Helmut Wiggers, and Markus Thommes. "Electrostatic Precipitation of Submicron Particles in a Molten Carrier." Pharmaceutics 11, no. 6 (June 13, 2019): 276. http://dx.doi.org/10.3390/pharmaceutics11060276.

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Recently, submicron particles have been discussed as a means to increase the bioavailability of poorly water-soluble drugs. Separation of these small particles is done with both fibre and membrane filters, as well as electrostatic precipitators. A major disadvantage of an electrostatic precipitator (ESP) is the agglomerate formation on the precipitation electrode. These agglomerates frequently show low bioavailability, due to the decreased specific surface area and poor wettability. In this work, a new melt electrostatic precipitator was developed and tested to convert submicron particles into a solid dispersion in order to increase the bioavailability of active pharmaceutical ingredients. The submicron particles were generated by spray drying and transferred to the ESP, where the collection electrode is covered with a melt, which served as matrix after solidification. The newly developed melt electrostatic precipitator was able to collect isolated naproxen particles in a molten carrier. A solid naproxen xylitol dispersion was prepared, which showed a reduction of the dissolution time by 82%, and a release of 80% of the total drug, compared to the physical mixture.

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Byun, Young-Cheol, Jae-Yoon Jung, and Jungho Hwang. "Application of electrostatic spraying to reduce SO2 emission in a laboratory-scale spray drying absorber." Journal of Aerosol Science 29 (September 1998): S479—S480. http://dx.doi.org/10.1016/s0021-8502(98)00703-4.

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Jeoh, Tina, Dana E. Wong, Scott A. Strobel, Kevin Hudnall, Nadia R. Pereira, Kyle A. Williams, Benjamin M. Arbaugh, Julia C. Cunniffe, and Herbert B. Scher. "How alginate properties influence in situ internal gelation in crosslinked alginate microcapsules (CLAMs) formed by spray drying." PLOS ONE 16, no. 2 (February 25, 2021): e0247171. http://dx.doi.org/10.1371/journal.pone.0247171.

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Alginates gel rapidly under ambient conditions and have widely documented potential to form protective matrices for sensitive bioactive cargo. Most commonly, alginate gelation occurs via calcium mediated electrostatic crosslinks between the linear polyuronic acid polymers. A recent breakthrough to form crosslinked alginate microcapsules (CLAMs) by in situ gelation during spray drying (“CLAMs process”) has demonstrated applications in protection and controlled delivery of bioactives in food, cosmetics, and agriculture. The extent of crosslinking of alginates in CLAMs impacts the effectiveness of its barrier properties. For example, higher crosslinking extents can improve oxidative stability and limit diffusion of the encapsulated cargo. Crosslinking in CLAMs can be controlled by varying the calcium to alginate ratio; however, the choice of alginates used in the process also influences the ultimate extent of crosslinking. To understand how to select alginates to target crosslinking in CLAMs, we examined the roles of alginate molecular properties. A surprise finding was the formation of alginic acid gelling in the CLAMs that is a consequence of simultaneous and rapid pH reduction and moisture removal that occurs during spray drying. Thus, spray dried CLAMs gelation is due to calcium crosslinking and alginic acid formation, and unlike external gelation methods, is insensitive to the molecular composition of the alginates. The ‘extent of gelation’ of spray dried CLAMs is influenced by the molecular weights of the alginates at saturating calcium concentrations. Alginate viscosity correlates with molecular weight; thus, viscosity is a convenient criterion for selecting commercial alginates to target gelation extent in CLAMs.

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Wang, Chao, Juan Li, Ya Zhang, Zhongrong He, Yin Zhang, Xingmin Zhang, Zhuoyue Guo, Jianan Huang, and Zhonghua Liu. "Effects of electrostatic spray drying on the sensory qualities, aroma profile and microstructural features of instant Pu-erh tea." Food Chemistry 373 (March 2022): 131546. http://dx.doi.org/10.1016/j.foodchem.2021.131546.

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Jonović, Marko, Milena Žuža, Verica Đorđević, Nataša Šekuljica, Milan Milivojević, Branimir Jugović, Branko Bugarski, and Zorica Knežević-Jugović. "Immobilized Alcalase on Micron- and Submicron-Sized Alginate Beads as a Potential Biocatalyst for Hydrolysis of Food Proteins." Catalysts 11, no. 3 (February 26, 2021): 305. http://dx.doi.org/10.3390/catal11030305.

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Enzymatic hydrolysis of food proteins is convenient method to improve their functional properties and physiological activity. Herein, the successful covalent attachment of alcalase on alginate micron and submicron beads using the carbodiimide based chemistry reaction and the subsequent application of the beads for egg white and soy proteins hydrolysis were studied. In addition to the electrostatic extrusion technique (EE) previously used by others, the potential utilization of a novel ultrasonic spray atomization technique without drying (UA) and with drying (UAD) for alginate submicron beads production has been attempted. The immobilization parameters were optimized on microbeads obtained by EE technique (803 ± 23 µm) with respect to enzyme loading and alcalase activity. UA and UAD techniques resulted in much smaller particles (607 ± 103 nm and 394 ± 51 nm in diameter, respectively), enabling even higher enzyme loading of 671.6 ± 4 mg g−1 on the carrier and the highest immobilized alcalase activity of 2716.1 IU g−1 in the standard reaction. The UAD biocatalyst exhibited also better performances in the real food system based on egg white or soy proteins. It has been shown that the immobilized alcalase can be reused in seven successive soy protein hydrolysis cycles with a little decrease in the activity.

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Tan, Si Rong, Si Hui Wu, Bing Gao, Jun Rui Xiao, Zi Yue Guo, Si Yun Long, Yan Bai, and Zheng Quan Su. "Experimental Investigation on the Lipid-Lowering Activity of Three Novel Antilipidemic Materials In Vitro." Advanced Materials Research 399-401 (November 2011): 1568–72. http://dx.doi.org/10.4028/www.scientific.net/amr.399-401.1568.

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Chitosan is a new kind of material in life-science, it can be used in lipid-lowering. Chitosan microspheres (CTS-MP) were prepared by spray-drying, chitosan nanoparticles (CTS-NP) and chitosan-capsaicin microspheres (CTS-CAP-MP) were prepared by ionic gelation process. The effect of these samples on lowering lipids was evaluated by measuring its’ binding capacities with lipids under the conditions mimicking the gastrointestinal tract in vitro. Also, the particle sizes of chitosan preparations were examined by scanning electron microscopy (SEM) and particle size analyzer. The results showed that the lipids-binding capacities of CTS-MP and CTS-NP were far more higher than that of CTS and CTS-CAP-MP. In conclusion, CTS-MP and CTS-NP will be better fat-lowing food additives to replace chitosan. The mechanism of lipids-binding in vitro is not only physical adsorption. Particle size is not the determinant factor, electrostatic action is maybe another factor of lipids-binding.

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Chen, Bo, Yong Biao Guo, Yong Peng Huang, and Hui Zhong. "Preparation and Characterization of Monodisperse Mesoporous SiO₂ Microspheres Modified by Octaphenylpolyoxyethyiene." Materials Science Forum 987 (April 2020): 99–104. http://dx.doi.org/10.4028/www.scientific.net/msf.987.99.

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Monodisperse mesoporous SiO2 microsphere is a potential fine candidate carrier of dry powder inhalation, but large numbers of active surface hydrophilic hydroxyls enhance surface energy, hydrogen bonding and electrostatic force, environmental water adsorption and particle agglomeration. Conventional hydrophobic modification of surface hydroxyls, which is conducive to solve the above-mentioned disadvantages, will limit the loading of water-soluble drugs and the drug dissolution in water simultaneously. In this study, monodisperse mesoporous SiO2 microspheres were prepared as carrier and modified innovatively by amphiphilic modifier octaphenylpolyoxyethyiene and 3-aminopropyltriethoxysilane, particle diameter about 60 nm, mean pore size 21.4 nm, specific pore volume 0.95 cm3/g, and specific surface area 130 m2/g. Model drug pentoxyverine citrate was loaded by pressure infiltration and spray drying process, drug loading 8.24%, repose angle 34°, mass median aerodynamic diameter 1.03 μm, and more than 90% of drug could dissolve within 30 min both in water and organic solvents.

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Tang, Jian She, Wei Lu, Bo Xi, Eli Martinez, Fred Li, Alex Ko, Craig Todd, and John T. C. Lee. "Marangoni Dryer Integrated High Performance Cleaner for Cu/Low k Post Strip Clean for 45nm Technology Node and Beyond." Solid State Phenomena 134 (November 2007): 337–40. http://dx.doi.org/10.4028/www.scientific.net/ssp.134.337.

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To address the water mark issue from hydrophobic film drying, and the stringent particle removal requirements for the 45nm technology node and beyond, we developed a cleaner with an innovative single wafer Marangoni dryer. The single wafer Marangoni dryer design features and process characterization data are presented in this paper. The major results can be summarized as: (1) With the immersion type Marangoni dryer, as the wafer is lifted out of a DIW bath, a stable and uniform meniscus can be easily maintained, making the single-wafer Marangoni dryer ideal for drying hydrophilic, hydrophobic or hydrophobic/hydrophilic mixed patterned wafers; (2) The new Marangoni dryer leaves ~14nm [1] water film on the wafer after drying, therefore any dissolved or suspended materials contained inside the water film, and potentially left on the wafer surface after water evaporation, is less than 14nm in diameter. This feature is critical for the 45nm technology node and beyond because 23nm particle could be killer defects at these nodes [2]; (3) Because of the strong Marangoni flow effect, high aspect ratio features can be completely dried without leaving any water droplets inside the trenches; therefore copper corrosion can be prevented; (4) The Marangoni dryer uses N2 as the carrier gas, so when a wafer is lifted out of the degasified DIW bath through the N2/IPA spray zone, it is thoroughly dried in an oxygen-free environment before exposure to the ambient environment; (5) The Marangoni dryer is free of electrostatic charge and centrifugal force because of the slow (2mm/s~20mm/s) wafer linear lifting speed compared to linear speed at wafer edge during SRD.

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Chen, Xingyu, Kai Wu, Sili Zeng, Da Chen, Lingyun Yao, Shiqing Song, Huatian Wang, Min Sun, and Tao Feng. "Stabilization and Dispersion of OSA Starch-Coated Titania Nanoparticles in Kappa-Carrageenan-Based Solution." Nanomaterials 12, no. 9 (April 30, 2022): 1519. http://dx.doi.org/10.3390/nano12091519.

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Titania is a white pigment used widely in papermaking, paints and cosmetic industries. Dispersion and stabilization of high concentration titania in water-based system remains a great bottleneck in industry nowadays, because aggregation of titania nanoparticles results in severe adverse effects to gloss, opacity, tint strength, color distribution and storage stability of end products. Because kappa-carrageenan (κ-CG) has excellent rheological properties such as emulsification, gelation, stability and so on, it has the ability to form gel and increase the viscosity of aqueous solution. In this work, Octenyl succinic anhydride (OSA) starch was utilized as wall material to encapsulate titania pigments using electrostatic spray drying processing. Transmission electron microscopy (TEM) showed that titania pigments were coated by OSA starch, with a final form of nanoparticle. Accelerating stability test found that around 60% OSA starch–titania particles were stably dispersed in κ-CG-based solution. All materials used in this work were natural ingredient, which would be preferred by cosmetic industry and consumers. The technique used in the present study could potentially be extended to other pigments for similar purpose.

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Jaimini, Manish, Arpit Jain, Sanjay K. Sharma, and Shailender Mohan. "Solventless coating for Tablets: An alternative to conventional coating technique." Indian Journal of Pharmaceutical and Biological Research 2, no. 02 (June 30, 2014): 108–14. http://dx.doi.org/10.30750/ijpbr.2.2.18.

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There are many ways to coat tablets. Coatings are a very important part in the formulation of pharmaceutical dosage form to achieve excellent formulation quality (e.g., color, texture, mouth feel, and taste masking), physical and chemical protection for the drugs in the dosage forms, and modification of drug release characteristics. Most film coatings are applied as aqueous or organic-based polymer solutions. Such film coating brings their own disadvantages. Solventless coatings are alternative technique of coating. Solventless coating technologies can overcome many of the disadvantages associated with the use of solvents (e.g., solvent exposure, solvent disposal, and residual solvent in product) in pharmaceutical coating. Solventless processing reduces the overall cost by eliminating the tedious and expensive processes of solvent disposal/treatment. In addition, it can significantly reduce the processing time due to reduction of step of drying/evaporation. These environment-friendly processes are performed without any heat in most cases (except hot-melt coating) and thus can provide an alternative technology to coat temperature-sensitive drugs. This review includes various solventless coating methods like magnetic assisted impaction coating , hotmelt coating, supercritical fluid spray coating, electrostatic coating, dry powder coating, and photocurable coating that can be used to coat the pharmaceutical dosage forms.

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Benyerbah, Nassim, Pompilia Ispas-Szabo, Khalil Sakeer, Daniel Chapdelaine, and Mircea Alexandru Mateescu. "Ampholytic and Polyelectrolytic Starch as Matrices for Controlled Drug Delivery." Pharmaceutics 11, no. 6 (June 1, 2019): 253. http://dx.doi.org/10.3390/pharmaceutics11060253.

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The potential of the polyampholytic and polyelectrolytic starch compounds as excipients for drug controlled release was investigated using various tracers differing in terms of solubility and permeability. Ampholytic trimethylaminecarboxymethylstarch (TMACMS) simultaneously carrying trimethylaminehydroxypropyl (TMA) cationic groups and carboxymethyl (CM) anionic groups was obtained in one-step synthesis in aqueous media. Trimethylaminestarch (TMAS) and carboxymethylstarch (CMS) powders were also synthesized separately and then homogenized at equal proportions in liquid phase for co-processing by spray drying (SD) to obtain polyelectrolytic complexes TMAS-CMS (SD). Similarly, equal amounts of TMAS and CMS powders were dry mixed (DM) to obtain TMAS:CMS (DM). Monolithic tablets were obtained by direct compression of excipient/API mixes with 60% or 80% drug loads. The in vitro dissolution tests showed that ampholytic (TMACMS) and co-processed TMAS-CMS (SD) with selected tracers (one from each class of Biopharmaceutical Classification System (BCS)), were able to control the release even at very high loading (80%). The presence of opposite charges located at adequate distances may impact the polymeric chain organisation, their self-assembling, and implicitly the control of drug release. In conclusion, irrespective of preparation procedure, ampholytic and polyelectrolytic starch materials exhibited similar behaviours. Electrostatic interactions generated polymeric matrices conferring good mechanical features of tablets even at high drug loading.

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Uzun, Kubra, Ming Wang, Xiaosong Huang, Bradley Frieberg, Jiazhi Hu, and Yang-Tse Cheng. "Understanding the Effects of the Mixing Processes on the Performance of NMC-LMO Blend Electrodes Made By a Dry Electrostatic Spray Deposition Process." ECS Meeting Abstracts MA2022-02, no. 7 (October 9, 2022): 2551. http://dx.doi.org/10.1149/ma2022-0272551mtgabs.

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Improving the manufacturing process of making lithium-ion batteries (LIBs) is a key to further decreasing the cost and expanding the market of LIBs for many applications, especially for electric vehicles. Since electric vehicles require durable, sustainable, and cost-effective battery systems for their continued enlargement, advanced manufacturing processes of LIBs need to be investigated. The conventional wet slurry operation for LIB electrode manufacturing imposes several limitations on cost and performance mostly due to solvent usage. The drying process for the evaporation and recovery of organic solvent requires the use of unwanted solvents that do not contribute to the final product, thus consuming energy. If solvent evaporation is not controlled well, issues such as binder migration, segregation, and cracking of the electrode can occur, affecting the performance of the battery. Therefore, using a solventless dry process for electrode manufacturing has the potential to reduce the cost and environmental impact by eliminating solvent usage. In this work, electrostatic spray deposition (ESD) without the use of a solvent is investigated for manufacturing thick NMC811/LMO electrodes. Comparing two different dry powder mixing methods, we showed that dry powder mixing prior to ESD has a significant effect on the electrode microstructure and, consequently, its performance. Electrodes made by ball mill mixing retained better discharge capacity, which was attributed to the low charge transfer resistance and improved ionic conductivity due to porous conductive pathways formed between and on the active material particles. High speed mixing, on the other hand, caused dense layers of binder and conductive agent agglomerates, limiting the contact area of the electrolyte with active materials and increasing the resistance.

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Huang, Guiting, Shuyuan Shuai, Weicheng Zhou, Yingchong Chen, Baode Shen, and Pengfei Yue. "To Enhance Mucus Penetration and Lung Absorption of Drug by Inhalable Nanocrystals-In-Microparticles." Pharmaceutics 14, no. 3 (February 28, 2022): 538. http://dx.doi.org/10.3390/pharmaceutics14030538.

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To effectively achieve the pulmonary delivery for curcumin (CN), novel inhalable mucus-penetrating nanocrystal-based microparticles (INMP) were designed. The D-Tocopherol acid polyethylene glycol 1000 succinate (TPGS) modified CN nanocrystals (CN-NS@TPGS) were prepared by high pressure homogenization and further converted into nanocrystal-based microparticles (CN-INMP@TPGS) using spray-drying. It was demonstrated that CN-NS@TPGS exhibited little interaction with the negatively charged mucin due to a strong electrostatic repulsion effect and PEG hydrophilic chain, and exhibited a much higher penetration ability across the mucus layer compared with poloxamer 407 modified CN-NS (CN-NS@P407) and tween 80 modified CN-NS (CN-NS@TW80). The aerodynamic results demonstrated that the CN-INMP with 10% TPGS acting as the stabilizer presented a high FPF value, indicating excellent deposition in the lung after inhalation administration. Additionally, in vivo bioavailability studies indicated that the AUC(0-t) of CN-INMP@TPGS (2413.18 ± 432.41 µg/L h) were 1.497- and 3.32-fold larger compared with those of CN-INMP@TW80 (1612.35 ± 261.35 µg/L h) and CN-INMP@P407 (3.103 ± 196.81 µg/L h), respectively. These results indicated that the CN-INMP@TPGS were absorbed rapidly after pulmonary administration and resulted in increased systemic absorption. Therefore, the inhalable CN-INMP could significantly improve the bioavailability of CN after inhalation administration. The developed mucus-penetrating nanocrystals-in-microparticles might be regarded as a promising formulation strategy for the pulmonary administration of poorly soluble drugs.

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Li, Jingwen, Feifan Zhang, Yaqi Zhong, Yadong Zhao, Pingping Gao, Fang Tian, Xianhui Zhang, Rusen Zhou, and Patrick J. Cullen. "Emerging Food Packaging Applications of Cellulose Nanocomposites: A Review." Polymers 14, no. 19 (September 26, 2022): 4025. http://dx.doi.org/10.3390/polym14194025.

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Cellulose is the most abundant biopolymer on Earth, which is synthesized by plants, bacteria, and animals, with source-dependent properties. Cellulose containing β-1,4-linked D-glucoses further assembles into hierarchical structures in microfibrils, which can be processed to nanocellulose with length or width in the nanoscale after a variety of pretreatments including enzymatic hydrolysis, TEMPO-oxidation, and carboxymethylation. Nanocellulose can be mainly categorized into cellulose nanocrystal (CNC) produced by acid hydrolysis, cellulose nanofibrils (CNF) prepared by refining, homogenization, microfluidization, sonification, ball milling, and the aqueous counter collision (ACC) method, and bacterial cellulose (BC) biosynthesized by the Acetobacter species. Due to nontoxicity, good biodegradability and biocompatibility, high aspect ratio, low thermal expansion coefficient, excellent mechanical strength, and unique optical properties, nanocellulose is utilized to develop various cellulose nanocomposites through solution casting, Layer-by-Layer (LBL) assembly, extrusion, coating, gel-forming, spray drying, electrostatic spinning, adsorption, nanoemulsion, and other techniques, and has been widely used as food packaging material with excellent barrier and mechanical properties, antibacterial activity, and stimuli-responsive performance to improve the food quality and shelf life. Under the driving force of the increasing green food packaging market, nanocellulose production has gradually developed from lab-scale to pilot- or even industrial-scale, mainly in Europe, Africa, and Asia, though developing cost-effective preparation techniques and precisely tuning the physicochemical properties are key to the commercialization. We expect this review to summarise the recent literature in the nanocellulose-based food packaging field and provide the readers with the state-of-the-art of this research area.

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Jayaprakash, Preethi, Audrey Maudhuit, Claire Gaiani, and Stéphane Desobry. "Encapsulation of bioactive compounds using competitive emerging techniques: Electrospraying, nano spray drying, and electrostatic spray drying." Journal of Food Engineering, September 2022, 111260. http://dx.doi.org/10.1016/j.jfoodeng.2022.111260.

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Justen, Anna, Christopher Kurth, Gerhard Schaldach, and Markus Thommes. "Preparation of Micron and Submicron Particles via Spray Drying and Electrostatic Precipitation." Chemical Engineering & Technology, November 10, 2022. http://dx.doi.org/10.1002/ceat.202200357.

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da Silva, Luana Carvalho, Rachel Menezes Castelo, Huai N. Cheng, Atanu Biswas, Roselayne Ferro Furtado, and Carlucio Roberto Alves. "Methods of Microencapsulation of Vegetable Oils: Principles, Stability and Applications - A Minireview." Food Technology and Biotechnology 60, no. 3 (2022). http://dx.doi.org/10.17113/ftb.60.03.22.7329.

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In addition to being used in food, fuel, and lubricants, vegetable oils are promising in many other applications such as food additives, nutritional supplements, cosmetics, and biomedicine; however, their low oxidative stability can limit their use. Microencapsulation is a well-established methodology for the preservation of oils against degradation, controlled release of active ingredients, protection against external factors during storage, and enhanced durability. In this article, microencapsulation methods for vegetable oils are reviewed, including physical methods (spray drying and freeze-drying), physical-chemical methods (complex coacervation, ionic gelation and electrostatic layer-by-layer deposition), and chemical methods (interfacial/in situ polymerization). This article also provides information on the principles, parameters, advantages, disadvantages, and applications of these methods.

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Pendar, Mohammad, Frederico Freire Rodrigues, José Páscoa, and Rui Lima. "Review of Coating and Curing Processes: Evaluation in Automotive Industry." Physics of Fluids, September 16, 2022. http://dx.doi.org/10.1063/5.0109376.

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The paint shop plant, as the largest energy consumer in the automotive manufacturing process, requires special attention to optimize energy efficiency and thermal management, reduce environmental impact and diminish the total costs to improve marketability. The current review covers the description of the automotive paint shop, recognition of the paint film layers, characterization of the paint spray applicators and evolution of their technology's advancement, explanation of the coating processes development, and investigation of the curing ovens thermal procedure in an automotive production stage. After systematically recalling pioneering studies dealing with the coating techniques and the ovening strategies, this paper focuses on reviewing recent findings conducted with improved modern methods in this subject area for higher sustainability and efficiency. Critical performance factors in developing surface durability, corrosion protectivity, paint material consumption, and environmental pollution are discussed. Focus is brought to the electrostatic spray-painting procedure flow physics understanding, particularly the complicated three-dimensional behaviors of paint droplets formation, distribution, control and deposition on the body in constructed spray plums. Then, the baking and drying process of the produced film layer in the curing oven is precisely reviewed. The review additionally aids in the identification of knowledge gaps in the literature that should be addressed in future research.

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Su, Peng, Jian Wu, Yi Yang, Ling Gao, Liming Shen, and Ningzhong Bao. "Enhanced Capacity and Cycle Stability of a Pomegranate-Like Si/rGO Composite Anode by Electrostatic Self-Assembly and Spray-Drying Processes." Industrial & Engineering Chemistry Research, April 20, 2022. http://dx.doi.org/10.1021/acs.iecr.2c00147.

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Journal articles on the topic 'Electrostatic Spray Drying'

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