For the water-based, step-wise synthesis of polyacrylic acid-coated iron oxide nanoparticles (PAA-IONPs), three solutions were prepared; an iron salt solution [0.62 g of FeCl3. 6H2O and 0.32 g of FeCl2. 4H2O in dilute HCl solution (100 μL of 12 N HCl in 2.0 mL H2O)]; an alkaline solution [1.8 mL of 30 % NH4OH solution in 15 mL of N2 purged DI water]; and a stabilizing agent solution [820 mg of polyacrylic acid in 5 mL of DI water]. To synthesize the PAA-IONP, the iron salt solution was added to the alkaline solution under vigorous stirring. The resulting dark suspension of iron oxide nanoparticles was stirred for approximately 30 seconds before addition of the stabilizing agent solution and stirred for 1 h. The resulting suspension of PAA-IONPs was then centrifuged at 4000 rpm for 30 minutes and the supernatant was washed three times with DI water to get rid of free polyacrylic acid and other unreacted reagents using an amicon 8200 cell (Millipore ultra-filtration membrane YM – 30 k). Finally, the PAA-IONP suspension was purified using magnetic column, washed with phosphate buffer saline (pH = 7.4) and concentrated using the amicon 8200 cell system. The iron concentration and magnetic relaxation of the PAA-IONPs was determined as previously reported [Josephson et. al. Bioconjugate Chem. 1999, 10, 186–191]. The successful coating of the IONPs with PAA was confirmed by the presence of a negative zeta-potential (ζ = −48 mV) and the characteristic acid carbonyl bands on the FT-IR spectroscopic analysis of the nanoparticles (Supporting Information 1 and 5 ).
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Polyacrylic acid
Polyacrylic acid
Polyacrylic acid is a synthetic polymer composed of acrylic acid monomers.
It has a wide range of applications, including as a thickening agent, emulsifier, and superabsorbent material.
Polyacrylic acid is commonly used in personal care products, paints, adhesives, and water treatment applications.
Its unique properties, such as its ability to absorb and retain large amounts of water, make it a valuable material in various industrial and household settings.
Researchers can use PubCompare.ai to quickly locate the best protocols and optimize their polyacrylic acid research, ensuring reproducibility and accuracy in their studies.
It has a wide range of applications, including as a thickening agent, emulsifier, and superabsorbent material.
Polyacrylic acid is commonly used in personal care products, paints, adhesives, and water treatment applications.
Its unique properties, such as its ability to absorb and retain large amounts of water, make it a valuable material in various industrial and household settings.
Researchers can use PubCompare.ai to quickly locate the best protocols and optimize their polyacrylic acid research, ensuring reproducibility and accuracy in their studies.
Most cited protocols related to «Polyacrylic acid»
Acids
Anabolism
Buffers
carbomer 940
Cells
Filtration
Iron
Iron Oxide Nanoparticles
Magnetic Iron Oxide Nanoparticles
Neoplasm Metastasis
Phosphates
Saline Solution
Sodium Chloride
Spectrum Analysis
Stabilizing Agents
Tissue, Membrane
carbomer 940
derivatives
Genes
Hyaluronic acid
Lipids
Metals, Heavy
Nitrogen
PLK1 protein, human
Polyamines
polyanions
Polymers
RNA
RNA, Small Interfering
Sepharose
Stains
Transmission Electron Microscopy
uranyl acetate
Calcium Phosphates
Collagen
Electrons
Physiologic Calcification
polyacrylic acid
acrylic acid
Amino Acids
ammonium peroxydisulfate
arginyl-glycyl-aspartic acid
carbomer 940
Free Radicals
High-Performance Liquid Chromatographies
Hydrogels
Mass Spectrometry
Molar
N-isopropylacrylamide
Peptides
Phosphates
Poly A
Polymerization
Saline Solution
Sialoproteins
tetramethylethylenediamine
The microscope flow-cell was made by sandwiching two coverslips on top of one another held with double-sided sticky tape to give ~10 μl volume channels. The lower coverslip (nearest the objective lens) was previously cleaned with 5 M NaOH and treated with Vectabond reagent (Vector Laboratories, Burlingame, Ca, USA) to make it adhesive to proteins. Flow-cells were incubated with 100 µg/ml anti-digoxigenin antibody in PBS (AbD Serotec, Langford Lane, Kidlington, UK) at 37 °C for 2 h to coat the surface. The flow-cell was later incubated with the blocking solution (50 mg/ml polyacrylic acid (pH 7.0), 10 mg/ml BSA, 0.1% pluronic F127, 0.1 mg/ml casein) for 30 min at 23 °C. Streptavidin coated 1 μm MyOne beads (TFS) were mixed with the differentially end-labelled template DNA at an optimal ratio to ensure most of the beads were linked to the coverslip surface by a single DNA molecule (determined experimentally with each DNA batch). After 15 min incubation, the bead-DNA mix was subjected to the blocking solution for 30 min to passivate the bead surface and the mix was injected into the flow-cell and allowed to settle for 15 min. All unbound beads were washed out with 10–20 volumes (~70 μl) of working buffer, K100 + (100 mM Tris.HCl, pH 7.5, 100 mM KCl, 10 mM MgCl2, 1 mM EDTA, 0.2 mg/ml BSA). The flow-cell was used the same day. For the initial analysis of DNA fluctuations phosphate buffer was used (10 mM potassium phosphate, pH 8.0, 0.1% Tween-20, 0.1 mg/ml BSA). The stoichiometry of DNA-bead coupling was checked for every bead used in our data sets by supercoiling all beads positively and negatively at a force of 1.2–1.5 pN. Single DNA-bead tethers show a characteristic asymmetric z-dependence (see Data analysis, below) as negative supercoiling melts DNA. This does not happen when the bead is tethered by more than one DNA molecule because multiple DNA molecules become twisted around each other (braided) giving a very different z-dependence on supercoiling.
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Antibodies, Anti-Idiotypic
ARID1A protein, human
Buffers
carbomer 940
Caseins
Cells
Cloning Vectors
Digoxigenin
DNA
Edetic Acid
Lens, Crystalline
Magnesium Chloride
Melting
Microscopy
Phosphates
Pluronic F-127
potassium phosphate
Proteins
Streptavidin
Tromethamine
Tween 20
Most recents protocols related to «Polyacrylic acid»
The bulk polyacrylic acid gel (10 × 10 × 0.2 mm3) was biaxially stretched to form a film with a thickness of 12 μm and then air dried for 12 h at RH = 35% with the film tethered on a home-made 20-mm-diameter circular frame. The film was then employed for AFM characterization.
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Polycaprolactone (80000 Mn/g mol−1), polyacrylic acid, and lead (II) nitrate were purchased from Sigma Aldrich (St. Louis, USA). Acetic acid, ethanol, and chloroform were acquired from Sigma Aldrich (St. Louis, USA). The single-layer graphene oxide was obtained from Amin Bic Company (Tehran, Iran). The MTT test kit, including 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide, was purchased from Gibco (GIBCO Invitrogen GmbH, Germany). A selection of commercial apple juices from various brands (Tehran, Iran) were acquired for adsorption analysis. All solvents were analytical grade, and deionized water was used for all experiments.
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Cerium (III) nitrate hexahydrate, ammonium cerium (IV) nitrate, europium (III) nitrate hydrate, polyacrylic acid sodium salt (Mw = 5100) and ammonium hydroxide solution (30% NH3 in H2O) were procured from Sigma-Aldrich (Sigma-Aldrich Chemie GmbH, Taufkirchen, Germany). For cell culture, Dulbecco’s Modified Eagle Medium (DMEM), Trypsin/EDTA (0.25%) solution, heat-inactivated fetal bovine serum (FBS), Dulbecco’s phosphate-buffered saline (DPBS, without calcium and magnesium), penicillin and streptomycin mixture and FluoroBrite™ DMEM were procured from Gibco (Invitrogen, Paisley, UK). The cytotoxicity detection kit (LDH release assay) was from Roche Diagnostic (Mannheim, Germany). Ac-DEVD-AMC, a caspase-3 fluorogenic substrate, was obtained from Enzo Life Sciences (New York, NY, USA). CM-H2DCFDA assay was purchased from Molecular Probes (Life Technologies Corporation, Eugene, OR, USA). Triton X-100, N-acetyl cysteine (NAC), propidium iodide, stabilized hydrogen peroxide solution (30% H2O2) and 6-hydroxydopamine hydrochloride were sourced from Sigma Aldrich (Sigma-Aldrich Chemie GmbH, Taufkirchen, Germany).
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Polyacrylic acid-ZnO@BCP (PAA-ZnO@ (0.00–0.01) BCP) organic semiconductor films with adequate structure on glass substrates were formed by sol–gel polymerization processes and dried at 60 °C.
A (2 wt.) Polyacrylic acid (PAA, Sigma Aldrich) dissolved in 60 ml of H2O, zinc acetate (Showa: Japan; purity 98%) was first dissolved in H2O, and ethanol was then added to the PAA solution. For bromocresol purple (BCP) dye-doped films, the required concentrations of BCP were dissolved in a mixture of H2O/ethanol before being loaded within a PAA-Zn solution at room temperature. The organic semiconductor/BCP dye thin films were deposited on glass substrates. Films were dried at 60 °C.
A (2 wt.) Polyacrylic acid (PAA, Sigma Aldrich) dissolved in 60 ml of H2O, zinc acetate (Showa: Japan; purity 98%) was first dissolved in H2O, and ethanol was then added to the PAA solution. For bromocresol purple (BCP) dye-doped films, the required concentrations of BCP were dissolved in a mixture of H2O/ethanol before being loaded within a PAA-Zn solution at room temperature. The organic semiconductor/BCP dye thin films were deposited on glass substrates. Films were dried at 60 °C.
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It is known that polyacrylamide (hydrogel) has good biocompatibility for biomedical applications. The acrylamide is insoluble in ionic liquids, while pure polyacrylic acid is soluble in ionic liquids. The acrylamide and polyacrylic acid in ionic liquids can randomly copolymer to form ionic gel, which has high fracture strength by dissipating energy through hydrogen bonding. Therefore, the acrylamide and acrylic acid were selected as precursors for the preparation of ionic gel patches in this work. First, 0.54 g of acrylic acid (AA) and 1.5975 g of acrylamide (AAM) were fully dissolved in 2 mL of 1-ethyl-3-methylimidazolium (EMIES) solution to obtain a homogeneous solution. A certain mass of MXene powder was weighted and made to be uniformly dispersed into 1.3 mL of EMIES solution to mix thoroughly. Subsequently, the crosslinker N, N’-Methylenebis (acrylamide) (MBAA, CMBAA = 0.1 mol%) and photoinitiator Irgacure 2959 (CI2959 = 0.1 mol%) were added to obtain the precursor solution. The precursor solution was poured into the mold and then irradiated under ultraviolet light (proximately 55 mW/cm2) for 5 min. Finally, the MXene doped ionic gel patch was obtained for use.
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Top products related to «Polyacrylic acid»
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Polyacrylic acid is a synthetic polymer used in laboratory equipment. It serves as a thickening agent, emulsifier, and dispersant in various applications. The core function of polyacrylic acid is to modify the viscosity and stability of solutions and dispersions.
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Sodium hydroxide is a chemical compound with the formula NaOH. It is a white, odorless, crystalline solid that is highly soluble in water and is a strong base. It is commonly used in various laboratory applications as a reagent.
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Poly(acrylic acid) (PAA) is a water-soluble polymer composed of acrylic acid monomers. It is a versatile material used in various laboratory applications due to its unique properties. PAA exhibits high water solubility, pH-responsiveness, and the ability to form complexes with metal ions and other molecules. Its core function is to serve as a chelating agent, viscosity modifier, and dispersant in laboratory settings.
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Hydrochloric acid is a commonly used laboratory reagent. It is a clear, colorless, and highly corrosive liquid with a pungent odor. Hydrochloric acid is an aqueous solution of hydrogen chloride gas.
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Diethylene glycol is a clear, colorless, odorless, and viscous liquid. It is a common ingredient in various industrial and laboratory applications, primarily serving as a solvent, antifreeze, and humectant.
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N-hydroxysuccinimide is a chemical compound commonly used as an activating agent in organic synthesis. It is a stable, crystalline solid that can be used to facilitate the formation of amide bonds between carboxylic acids and primary amines. Its core function is to activate carboxylic acids, enabling their subsequent reaction with other functional groups.
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N,N-dimethylformamide is a clear, colorless liquid organic compound with the chemical formula (CH3)2NC(O)H. It is a common laboratory solvent used in various chemical reactions and processes.
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Polyacrylic acid sodium salt is a chemical compound used in a variety of laboratory applications. It serves as a dispersant, emulsifier, and thickening agent. The compound is soluble in water and is commonly used in the formulation of various laboratory reagents and solutions.
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Bovine serum albumin (BSA) is a common laboratory reagent derived from bovine blood plasma. It is a protein that serves as a stabilizer and blocking agent in various biochemical and immunological applications. BSA is widely used to maintain the activity and solubility of enzymes, proteins, and other biomolecules in experimental settings.
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Oleic acid is a long-chain monounsaturated fatty acid commonly used in various laboratory applications. It is a colorless to light-yellow liquid with a characteristic odor. Oleic acid is widely utilized as a component in various laboratory reagents and formulations, often serving as a surfactant or emulsifier.
More about "Polyacrylic acid"
Polyacrylic acid, also known as PAA or poly(acrylic acid), is a versatile synthetic polymer composed of acrylic acid monomers.
It has a wide range of applications, including as a thickening agent, emulsifier, and superabsorbent material.
This polymer is commonly used in personal care products, paints, adhesives, and water treatment applications, thanks to its unique properties.
One of the key features of polyacrylic acid is its ability to absorb and retain large amounts of water, making it a valuable material in various industrial and household settings.
This property is particularly useful in applications such as diapers, hygiene products, and water treatment, where the polymer's absorbency and swelling capabilities are crucial.
In addition to its water-absorbing abilities, polyacrylic acid also serves as an effective emulsifier, helping to stabilize mixtures of water and oil-based components.
This property is leveraged in the formulation of personal care products, paints, and adhesives, where a stable emulsion is essential for optimal performance.
Researchers can utilize tools like PubCompare.ai to quickly locate the best protocols and optimize their polyacrylic acid research, ensuring reproducibility and accuracy in their studies.
The platform's AI-driven capabilities allow users to effortlessly compare protocols from literature, pre-prints, and patents, streamlining the research process and helping them find the optimal solution for their polyacrylic acid needs.
Polyacrylic acid can also be modified or combined with other materials, such as sodium hydroxide, hydrochloric acid, diethylene glycol, N-hydroxysuccinimide, N,N-dimethylformamide, and bovine serum albumin, to tailor its properties and expand its applications even further.
These variations and derivatives of polyacrylic acid, such as polyacrylic acid sodium salt and oleic acid-modified polyacrylic acid, offer researchers and manufacturers a versatile range of options to address specific requirements in various industries.
It has a wide range of applications, including as a thickening agent, emulsifier, and superabsorbent material.
This polymer is commonly used in personal care products, paints, adhesives, and water treatment applications, thanks to its unique properties.
One of the key features of polyacrylic acid is its ability to absorb and retain large amounts of water, making it a valuable material in various industrial and household settings.
This property is particularly useful in applications such as diapers, hygiene products, and water treatment, where the polymer's absorbency and swelling capabilities are crucial.
In addition to its water-absorbing abilities, polyacrylic acid also serves as an effective emulsifier, helping to stabilize mixtures of water and oil-based components.
This property is leveraged in the formulation of personal care products, paints, and adhesives, where a stable emulsion is essential for optimal performance.
Researchers can utilize tools like PubCompare.ai to quickly locate the best protocols and optimize their polyacrylic acid research, ensuring reproducibility and accuracy in their studies.
The platform's AI-driven capabilities allow users to effortlessly compare protocols from literature, pre-prints, and patents, streamlining the research process and helping them find the optimal solution for their polyacrylic acid needs.
Polyacrylic acid can also be modified or combined with other materials, such as sodium hydroxide, hydrochloric acid, diethylene glycol, N-hydroxysuccinimide, N,N-dimethylformamide, and bovine serum albumin, to tailor its properties and expand its applications even further.
These variations and derivatives of polyacrylic acid, such as polyacrylic acid sodium salt and oleic acid-modified polyacrylic acid, offer researchers and manufacturers a versatile range of options to address specific requirements in various industries.