601 results match your criteria hansen solubility

Nitrogen plasma modification boosts up the hemocompatibility of new PVDF-carbon nanohorns composite materials with potential cardiological and circulatory system implants application.

Biomater Adv 2022 Jul 24;138:212941. Epub 2022 May 24.

Faculty of Chemistry, Physicochemistry of Carbon Materials Research Group, Nicolaus Copernicus University in Toruń, Gagarina Street 7, 87-100 Toruń, Poland. Electronic address:

To design new material for blood-related applications one needs to consider various factors such as cytotoxicity, platelet adhesion, or anti-thrombogenic properties. The aim of this work is the design of new, highly effective materials possessing high blood compatibility. To do this, the new composites based on the poly(vinylidene fluoride) (PVDF) support covered with a single-walled carbon nanohorns (CNHs) layer were prepared. Read More

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Identification and Quantitation of Aqueous Single- and Multianalyte Solutions of the Isomers Ethylbenzene, -, -, and -Xylene Using a Single Specifically Tailored Sensor Coating and Estimation Theory-Based Signal Processing.

ACS Sens 2022 Jul 27. Epub 2022 Jul 27.

Department of Electrical Engineering, Center for Integrated Systems, Stanford University, Stanford, California 94305-4075, United States.

The isomer-specific detection and quantitation of -, -, and -xylene and ethylbenzene, dissolved singly and as mixtures in aqueous solutions at concentrations from 100 to 1200 ppb by volume, is reported for a specifically designed polymer-plasticizer coating on a shear-horizontal surface acoustic wave (SH-SAW) device. The polystyrene-ditridecyl phthalate-blend coating was designed utilizing Hansen solubility parameters and considering the dipole moment and polarizability of the analytical targets and coating components to optimize the affinity of the sensor coating for the four chemical isomers. The two key coating sorption properties, sensitivity and response time constant, are determined by the (slightly different) dipole moments and polarizabilities of the four target analytes: as analyte dipole moment decreases, coating sensitivity increases; as analyte polarizability decreases, coating response time lengthens. Read More

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Linking intermolecular interactions and rheological behaviour in capillary suspensions.

J Colloid Interface Sci 2022 Jul 14;627:415-426. Epub 2022 Jul 14.

Physics and Physical Chemistry of Foods, Wageningen University, PO Box 17, 6700 AA Wageningen, the Netherlands. Electronic address:

Hypothesis: Capillary suspensions feature networks of particles connected by liquid bridges, which are obtained by adding a small amount of a second immiscible liquid to a suspension. It is possible to link the network formation as well as the rheological behaviour of capillary suspensions to the intermolecular interactions of their constituents.

Experiments And Simulations: Through a combination of experimental and numerical methods, we present a novel approach, based on Hansen solubility parameters computed from Molecular Dynamics (MD) simulations, to rationalize and predict the rheological behaviour of capillary suspensions. Read More

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Photoactivation Properties of Self-n-Doped Perylene Diimides: Concentration-dependent Radical Anion and Dianion Formation.

ACS Mater Au 2022 Jul 22;2(4):482-488. Epub 2022 Apr 22.

Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, United States.

Perylene diimides (PDIs) have garnered attention as organic photocatalysts in recent years for their ability to drive challenging synthetic transformations, such as aryl halide reduction and olefin iodoperfluoroalkylation. Previous work in this area employs spectator pendant groups attached to the imide nitrogen positions of PDIs that are only added to impart solubility. In this work, we employ electron-rich ammonium iodide or ammonium hydroxide pendant groups capable of self-n-doping the PDI core to form radical anions ( ) and dianions ( ). Read More

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Hansen Solubility Parameters of Nitrocellulose and Application toward Printable Energetics.

Langmuir 2022 Jul 13;38(29):8766-8772. Epub 2022 Jul 13.

Karen M. Swindler Department of Chemical and Biological Engineering, South Dakota School of Mines and Technology, 501 E. Saint Joseph St., Rapid City, South Dakota 57701, United States.

While there have been many studies on the use of various solvents for processing nitrocellulose (NC), the optimization of these solvents and/or solvent mixtures has not been studied, particularly for the application of additive manufacturing (AM) of energetic materials. To optimize the printability of NC, Hansen solubility parameters (HSPs) of both 12.2% and 13. Read More

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Solubility and Thermodynamic Data of Febuxostat in Various Mono Solvents at Different Temperatures.

Molecules 2022 Jun 23;27(13). Epub 2022 Jun 23.

Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia.

This study examines the solubility and thermodynamics of febuxostat (FBX) in a variety of mono solvents, including "water, methanol (MeOH), ethanol (EtOH), isopropanol (IPA), 1-butanol (1-BuOH), 2-butanol (2-BuOH), ethylene glycol (EG), propylene glycol (PG), polyethylene glycol-400 (PEG-400), ethyl acetate (EA), Transcutol-HP (THP), and dimethyl sulfoxide (DMSO)" at 298.2-318.2 K and 101. Read More

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Stabilization of Hybrid Adhesives and Sealants by Thermodynamic Tuning of Molecularly Optimized Lignin Bio-Additives: Small Changes, Big Effects.

Biomacromolecules 2022 08 6;23(8):3174-3185. Epub 2022 Jul 6.

Flemish Institute for Technological Research (Vito N.V.), Sustainable Polymer Technologies (SPOT) Team, Boeretang 200, Mol 2400, Belgium.

The use of lignin as a functional additive has long been a promising topic in both industry and academia, but the development of such systems is still limited by the considerable challenges posed by the incompatibility of lignin with common polymers. Herein, we designed modified silicone (MS) sealants with enhanced UV and thermal stability by incorporating molecularly engineered lignin bio-additives while establishing robust design principles to finely adjust the morphology of such blends by tailoring the molecular structures of lignin fractions. To that end, we first constructed a library of lignin fractions with various molecular weights (obtained by fractionating Kraft lignin and by using a lignin model compound) and with several chemical modifications (acetylation, butyrylation, and silylation). Read More

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Solvents drive self-assembly mechanisms and inherent properties of Kraft lignin nanoparticles (<50 nm).

J Colloid Interface Sci 2022 Jun 23;626:178-192. Epub 2022 Jun 23.

Department of Materials Research and Technology, Luxembourg Institute of Science and Technology, L-4362 Esch-Sur-Alzette, Luxembourg. Electronic address:

Hypothesis: Strikingly, Kraft lignin nanoparticles (KLNPs) can substitute polluting nanoparticles in diverse applications. An attractive method for synthesizing KLNPs is Solvent shifting. We hypothesized that by a detailed understanding of the solvent properties and influence of the process parameters, one could derive new fundamental and technical information about the lignin nanoparticle formation process. Read More

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A systematic and robust assessment of hot-melt extrusion-based amorphous solid dispersions: Theoretical prediction to practical implementation.

Int J Pharm 2022 Jun 23;624:121951. Epub 2022 Jun 23.

Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, USA; Pii Center for Pharmaceutical Technology, The University of Mississippi, University, MS 38677, USA. Electronic address:

Amorphous solid dispersions (ASDs) have gained attention as a formulation strategy in recent years, with the potential to improve the apparent solubility and, hence, the oral bioavailability of poorly soluble drugs. The process of formulating ASDs is commonly faced with challenges owing to the intrinsic physical and chemical instability of the initial amorphous form and the long-term physical stability of drug formulations. Numerous research publications on hot-melt extrusion (HME) technology have demonstrated that it is the most efficient approach for manufacturing reasonably stable ASDs. Read More

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Hansen Solubility Parameter Analysis on Dispersion of Oleylamine-Capped Silver Nanoinks and their Sintered Film Morphology.

Nanomaterials (Basel) 2022 Jun 10;12(12). Epub 2022 Jun 10.

Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, Kansai University, Osaka 564-8680, Japan.

Optimizing stabilizers and solvents is crucial for obtaining highly dispersed nanoparticle inks. Generally, nonpolar (hydrophobic) ligand-stabilized nanoparticles show superior dispersibility in nonpolar solvents, whereas polar ligand (hydrophilic)-stabilized nanoparticles exhibit high dispersibility in polar solvents. However, these properties are too qualitative to select optimum stabilizers and solvents for stable nanoparticle inks, and researchers often rely on their experiences. Read More

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Automated Quantum Dots Purification via Solid Phase Extraction.

Nanomaterials (Basel) 2022 Jun 9;12(12). Epub 2022 Jun 9.

Fraunhofer Institute for Microengineering and Microsystems IMM, 55129 Mainz, Germany.

The separation of colloidal nanocrystals from their original synthesis medium is an essential process step towards their application, however, the costs on a preparative scale are still a constraint. A new combination of approaches for the purification of hydrophobic Quantum Dots is presented, resulting in an efficient scalable process in regard to time and solvent consumption, using common laboratory equipment and low-cost materials. The procedure is based on a combination of solvent-induced adhesion and solid phase extraction. Read More

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Solubilization of a novel antitumor drug ribociclib in water and ten different organic solvents at different temperatures.

Drug Dev Ind Pharm 2022 Jan 21;48(1):12-20. Epub 2022 Jun 21.

Department of Clinical Pharmacy, Faculty of Pharmacy, University of Science and Technology, Irbid, Jordan.

Objective: This study reports new solubility and physicochemical data for ribociclib (RCB) in water and ten organic solvents including "methanol (MeOH), ethanol (EtOH), isopropyl alcohol (IPA), n-butanol (n-BuOH), propylene glycol (PG), polyethylene glycol-400 (PEG-400), acetone, ethyl acetate (EA), Transcutol-HP (THP), and dimethyl sulfoxide (DMSO)" at 293.2-313.2 K and 101. Read More

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January 2022

Synthesis of Si-Ge Nanosheets and Their Dispersion of Organic Solvents with Focus on the Hansen Solubility Parameters.

ACS Omega 2022 Jun 23;7(22):18834-18839. Epub 2022 May 23.

Toyota Central R&D Labs., Inc., 41-1, Yokomichi, Nagakute, Aichi 480-1192, Japan.

Two-dimensional (2D) materials combine the collective advantages of individual building blocks and synergistic properties and have spurred great interest as a new paradigm in materials science. Especially, exfoliation of 2D semiconductive materials into nanosheets is of significance for both fundamental and potential applications. In this report, silicon-germanium (Si-Ge) nanosheets were synthesized by sonication of porous Si-Ge powder. Read More

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Prediction of acute oral toxicity using the Hansen solubility parameter.

Toxicol In Vitro 2022 Sep 2;83:105408. Epub 2022 Jun 2.

Department of Chemical, Energy and Environmental Engineering, Faculty of Environmental and Urban Engineering, Kansai University, Japan.

Acute oral toxicity is primarily determined using animal testing, as stated in the Organization for Economic Cooperation and Development (OECD) Test Guideline (TG) 420, 423, and 425. Currently, regarding animal welfare, few alternatives to animal testing such as in vitro approaches have been evaluated. Therefore, in this preliminary study examining a new method to determine acute oral toxicity, we investigated whether UN Globally Harmonized System all categories can be predicted using the Hansen solubility parameter (HSP). Read More

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September 2022

Characterization and In Vitro Cytotoxicity Safety Screening of Fractionated Organosolv Lignin on Diverse Primary Human Cell Types Commonly Used in Tissue Engineering.

Biology (Basel) 2022 Apr 30;11(5). Epub 2022 Apr 30.

G.E.R.N. Center for Tissue Replacement, Regeneration & Neogenesis, Department of Orthopedics and Trauma Surgery, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, Engesserstraße 4, 79108 Freiburg, Germany.

There is limited data assessing the cytotoxic effects of organosolv lignin with cells commonly used in tissue engineering. Structural and physico-chemical characterization of fractionated organosolv lignin showed that a decrease of the molecular weight (MW) is accompanied by a less branched conformation of the phenolic biopolymer (higher S/G ratio) and an increased number of aliphatic hydroxyl functionalities. Enabling stronger polymer-solvent interactions, as proven by the Hansen solubility parameter analysis, low MW organosolv lignin (2543 g/mol) is considered to be compatible with common biomaterials. Read More

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Self-Assembly of Alkylamido Isophthalic Acids toward the Design of a Supergelator: Phase-Selective Gelation and Dye Adsorption.

Gels 2022 May 5;8(5). Epub 2022 May 5.

Dipartimento di Chimica e Tecnologie Chimiche, Università della Calabria, 87036 Rende, Italy.

A new series of 5-alkylamido isophthalic acid (ISA) derivatives with varying single and twin alkyl chain lengths were designed and synthesized as potential supramolecular organogelators. 5-alkylamido ISAs with linear or branched alkyl tail-groups of different lengths were effective gelators for low polarity solvents. In particular, among the presented series, a derivative with a branched, 24 carbon atom tail-group behaves as a "supergelator" with up to twenty organic solvents forming gels that are highly stable over time. Read More

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New Parameter Derived from the Hansen Solubility Parameter Used to Evaluate the Solubility of Asphaltene in Solvent.

ACS Omega 2022 Apr 15;7(16):13801-13807. Epub 2022 Apr 15.

College of Chemical Engineering, China University of Petroleum, Qingdao 266580, China.

In order to determine whether asphaltenes dissolved in certain solvents, the Hansen solubility parameters (HSPs) of asphaltenes and maltenes extracted from SZ36-1 vacuum residual were measured, and a new parameter Δδ was obtained by extending the HSP based on the results of asphaltene dissolution experiments. Δδ was calculated by the relative differences of the components of HSP between asphaltene and the solvent. The rationality of the Δδ was verified from three aspects: the selection of solvent that can dissolve asphaltene, dispersion of asphaltene in various solvents, and compatibility of asphaltenes and maltenes, which further proved that asphaltenes might be dissolved in maltenes. Read More

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Preparation and Characterization of Orlistat Bionanocomposites Using Natural Carriers

Turk J Pharm Sci 2022 04;19(2):168-179

Tatyasaheb Kore College of Pharmacy, Department of Pharmaceutics, Kolhapur, India

Objectives: Bionanocomposites (BNCs) are biopolymers or a natural polymers embedded in a combination of two or more different chemicals using natural carriers or bio. BNCs are widely used in drug formulation and in the development of new drugs for various therapeutic drugs, new dosage forms and in pharmacological medicine.

Materials And Methods: Useful and improved melting was achieved by converting selected Biopharmaceutics Classification System (BCS) class II drug into BNCs using natural carriers such as the gums of Lam. Read More

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3-Methoxybutan-2-one as a sustainable bio-based alternative to chlorinated solvents.

RSC Adv 2021 Dec 10;11(62):39412-39419. Epub 2021 Dec 10.

Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University Khon Kaen 40002 Thailand

Methylation of acetoin with dimethyl carbonate was performed in a sustainable one-step process, with improved process mass intensity (PMI) and atom economy compared to previously published methods. The resulting product, 3-methoxybutan-2-one (MO) was successfully evaluated as a bio-based solvent, while both Kamlet-Taft solvatochromic parameters and Hansen solubility parameters demonstrate its potential viability in the substitution of chlorinated solvents. MO exhibited a low peroxide forming potential and a negative Ames mutagenicity test and was successfully used as a solvent in a Friedel-Crafts acylation (79% yield compared to 77% in dichloromethane) and for -alkylations. Read More

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December 2021

Photonic Cellulose Films with Vivid Structural Colors: Fabrication and Selectively Chemical Response.

Biomacromolecules 2022 04 30;23(4):1662-1671. Epub 2022 Mar 30.

The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), State Key Laboratory of Polymer Materials Engineering, College of Chemistry, Sichuan University, Chengdu 610064, China.

Recent advances in structural-color cellulose nanocrystal (CNC) materials have been made toward chemical sensing applications; however, such materials lack sufficient color chroma for naked-eye observation, and their selective recognition to given chemicals as well as the corresponding mechanism has rarely been reported. Here, a dopamine-infiltration and post-polymerization approach is proposed to construct vivid structural-color composite films. The chiral nematic structure of CNC enables the structural coloration, while the strong light absorption of the polymeric co-phase, polydopamine (PDA) enhances the color chroma and visibility. Read More

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Physicochemical Profile of Antiandrogen Drug Bicalutamide: Solubility, Distribution, Permeability.

Pharmaceutics 2022 Mar 18;14(3). Epub 2022 Mar 18.

G.A. Krestov Institute of Solution Chemistry RAS, 153045 Ivanovo, Russia.

The pharmacologically relevant physicochemical properties of the antiandrogen drug bicalutamide (BCL) have been determined for the first time. Solubility in aqueous solution, 1-octanol, n-hexane, and ethanol was measured by the shake flask method in the temperature range of 293.15-313. Read More

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Polyhydroxylated Nanosized Graphite as Multifunctional Building Block for Polyurethanes.

Polymers (Basel) 2022 Mar 14;14(6). Epub 2022 Mar 14.

Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Via Mancinelli 7, 20131 Milano, Italy.

Polyurethane nanocomposites were prepared with a nanosized high surface area graphite (HSAG) functionalized on its edges with hydroxyl groups as a building block. Edge functionalization of HSAG was obtained through reaction with KOH. The addition of OH groups was demonstrated by means of infrared (FTIR) and thermogravimetric analysis (TGA), and the Boehm titration allowed estimation of a level of about 5. Read More

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Determination and Correlation of Solubility of Metformin Hydrochloride in Aqueous Binary Solvents from 283.15 to 323.15 K.

ACS Omega 2022 Mar 1;7(10):8591-8600. Epub 2022 Mar 1.

School of Pharmaceutical Sciences, Shandong Analysis and Testing Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, PR China.

Metformin hydrochloride (MET·HCl) is one of the most widely used oral hypoglycemic drugs in the world. In addition to hypoglycemic effects, MET·HCl also has anti-inflammatory, anti-tumor, anti-aging, and other effects, showing good efficacy and safety of single and combined treatment. The solubility of MET·HCl in water, water + ,-dimethylformamide, water + acetonitrile, and water + -propanol was measured by the gravimetric method under atmospheric pressure at temperatures ranging from 283. Read More

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Screening of hydrogen bonds in modified cellulose acetates with alkyl chain substitutions.

Carbohydr Polym 2022 Jun 29;285:119188. Epub 2022 Jan 29.

Applied Chemistry, Department of Chemistry and Chemical Engineering, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden; FibRe-Centre for Lignocellulose-based Thermoplastics, Department of Chemistry and Chemical Engineering, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden. Electronic address:

This study aimed to elucidate how the glass transition temperature and water interactions in cellulose esters are affected by the structures of their side chains. Cellulose acetate, cellulose acetate propionate and cellulose acetate butyrate with three fractions of butyrates, all having the same total degree of substitution, were selected, and hot-melt pressed. The degree of substitution, structural properties, and water interactions were determined. Read More

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Processing of Distillery Stillage to Recover Phenolic Compounds with Ultrasound-Assisted and Microwave-Assisted Extractions.

Int J Environ Res Public Health 2022 02 25;19(5). Epub 2022 Feb 25.

Faculty of Chemistry, Institute of General and Ecological Chemistry, Lodz University of Technology, Zeromskiego St. 116, 90-924 Lodz, Poland.

This study investigated the effect of ultrasound-assisted extraction (UAE) and microwave-assisted extraction (MAE) conditions (extraction time, acetone concentration, solid-to-solvent ratio) on the efficiency of polyphenol recovery from distillery stillage and antioxidant activity of the extracts. The highest total polyphenol content, flavonoid content, and phenolic acid content were obtained with 10-min UAE and 5-min MAE at a solid-to-acetone ratio of 1:15 (:). Recovery yield was the highest with an aqueous solution of 60% acetone, confirming the results of Hansen Solubility Parameter analysis. Read More

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February 2022

Experimental Determination and Computational Prediction of Dehydroabietic Acid Solubility in (-)-α-Pinene + (-)-β-Caryophyllene + P-Cymene System.

Molecules 2022 Feb 11;27(4). Epub 2022 Feb 11.

Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China.

The solubility of dehydroabietic acid in (-)-α-pinene, p-cymene, (-)-β-caryophyllene, (-)-α-pinene + p-cymene, (-)-β-caryophyllene + p-cymene and (-)-α-pinene + (-)-β-caryophyllene were determined using the laser monitoring method at atmospheric pressure. The solubility of dehydroabietic acid was positively correlated with temperature from 295.15 to 339. Read More

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February 2022

Extraction of Functional Components from Freeze-Dried Leaves Using Supercritical Carbon Dioxide.

ACS Omega 2022 Feb 3;7(6):5104-5111. Epub 2022 Feb 3.

Department of Materials Process Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan.

(), as a material for traditional Chinese medicine, has been widely used in Asian countries, such as China, Korea, and Japan, for several centuries owing to its therapeutic effects. In this study, leaves were used as starting materials to extract functional substances using supercritical carbon dioxide (SC-CO) at pressure and temperature ranges of 20-40 MPa and 40-80 °C, respectively. The extraction process was performed in a semibatch-type system with extraction times of 15-120 min. Read More

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February 2022

Preparation of Azithromycin Amorphous Solid Dispersion by Hot-Melt Extrusion: An Advantageous Technology with Taste Masking and Solubilization Effects.

Polymers (Basel) 2022 Jan 26;14(3). Epub 2022 Jan 26.

State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, 27th Taiping Road, Haidian District, Beijing 100850, China.

Azithromycin (AZI) is one of the most commonly used macrolide antibiotics in children, but has the disadvantages of a heavy bitter taste and poor solubility. In order to solve these problems, hot-melt extrusion (HME) was used to prepare azithromycin amorphous solid dispersion. Preliminary selection of a polymer for HME was conducted by calculating Hansen solubility parameter to predict the miscibility of the drug and polymer. Read More

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January 2022

Highly Porous-Cellulose-Acetate-Nanofiber Filters Fabricated by Nonsolvent-Induced Phase Separation during Electrospinning for PM Capture.

Nanomaterials (Basel) 2022 Jan 26;12(3). Epub 2022 Jan 26.

Energy & Environmental Division, Korea Institute of Ceramic Engineering and Technology, Jinju 52851, Korea.

Highly porous-cellulose-acetate (CA) nanofibers were prepared by an electrospinning process based on a nonsolvent-induced phase separation (NIPS) mechanism, and their PM capture efficiencies were evaluated. The NIPS condition during the electrospinning process was achieved by selecting appropriate good and poor solvents based on the Hansen solubility parameters of CA. ,-dimethylacetamide (DMAc) was used as the good solvent, while dichloromethane (DCM), tetrahydrofuran (THF), and acetone were used as poor solvents. Read More

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January 2022

Application-Specific Adaptable Coatings for Sensors: Using a Single Polymer-Plasticizer Pair to Detect Aromatic Hydrocarbons, Mixtures, and Interferents in Water with Single Sensors and Arrays.

ACS Sens 2022 02 26;7(2):649-657. Epub 2022 Jan 26.

Department of Electrical Engineering, Center for Integrated Systems, Stanford University, Stanford, California 94305-4075, United States.

A relatively simple design procedure is presented for new, adaptable chemical sensor coatings made from a single polymerplasticizer pair to detect single or a mixture of chemical compounds (e.g., BTEX, the small aromatic hydrocarbon family). Read More

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February 2022