Oleic acid (OA, >90%), 1-octadecene (ODE, >90%), Arg-Gly-Asp (RGD, 97%), polyacrylamide (PAM, Mn = 40 000), (3-aminopropyl)triethoxysilane (APTS, 99%), sodium hydroxide (NaOH, 97%), and hydrochloric acid (HCl, 37%) were purchased from Sigma-Aldrich. Cyclohexane (99.5%), N-hexane (97%), ethanol (99.7%), and diethylene glycol (DEG, 98%) were purchased from General-Reagent. Sodium oleate (NaOL, 98%), gadolinium chloride hexahydrate (GdCl3·6H2O, 99.99%), and citric acid (CA, 99.5%) were purchased from Macklin. N,N-Dimethylformamide (DMF, 99.8%) and oleylamine (OM, 80–90%) were purchased from Aladdin. Poly(acrylic acid) (PAA5000, Mw = 5000, 50 wt%) and Poly(acrylic acid) (PAA2000, Mw = 2000, 63 wt%) were purchased from Acros Organics.
Polyacrylic acid
Manufactured by Thermo Fisher Scientific
Sourced in China
Polyacrylic acid is a synthetic polymer that is commonly used in various laboratory applications. It is a water-soluble, linear polymer with carboxylic acid functional groups along the backbone. Polyacrylic acid exhibits properties such as water absorbency, thickening, and pH-responsive behavior, which make it useful in diverse scientific and industrial contexts.
Automatically generated - may contain errors
Lab products found in correlation
Sodium citrate dihydrate, by Daejung Chemicals (1 mentions)
Pen strep, by Thermo Fisher Scientific (1 mentions)
Iron 2 chloride tetrahydrate, by Merck Group (1 mentions)
Iron 3 chloride hexahydrate, by Merck Group (1 mentions)
Hydrochloric acid (hcl), by Samchun (1 mentions)
Ammonia solution, by Samchun (1 mentions)
Sodium hydroxide (naoh), by Duksan Pure Chemicals (1 mentions)
Citric acid, by Samchun (1 mentions)
Sodium carbonate, by Samchun (1 mentions)
Sodium bicarbonate, by Samchun (1 mentions)
Polyacrylamide, by Merck Group (1 mentions)
Citric acid, by Maclin Biochemical Technology (1 mentions)
Gadolinium chloride hexahydrate, by Maclin Biochemical Technology (1 mentions)
3 aminopropyltriethoxysilane, by Merck Group (1 mentions)
Sodium oleate, by Maclin Biochemical Technology (1 mentions)
Arg gly asp, by Merck Group (1 mentions)
Sodium hydroxide (naoh), by Merck Group (1 mentions)
Oleic acid, by Merck Group (1 mentions)
1 octadecene, by Merck Group (1 mentions)
Hydrochloric acid (hcl), by Merck Group (1 mentions)
6 protocols using polyacrylic acid
1
Synthesis of Gadolinium-based Nanoparticles
2
Synthesis of Iron-Based Nanoparticles
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All reagents were used without purification. Iron(iii ) chloride hexahydrate (FeCl3·6H2O, 97%, Sigma-Aldrich), iron(ii ) chloride tetrahydrate (FeCl2·4H2O, ≥99%, Sigma-Aldrich), manganese(ii ) chloride tetrahydrate (MnCl2·4H2O, ≥98%, Daejung), hydrochloric acid (HCl, 35–37%, Samchun), ammonia solution (NH4OH, 28–30%, Samchun), polyacrylic acid (PAA, MW: 2000, 63 wt% aqueous solution, Acros Organics), sodium hydroxide (NaOH, 93%, Duksan), sodium citrate dihydrate (Na3C6H5O7·2H2O, ≥99%, Daejung), citric acid (C6H8O7, 99.5%, Samchun), sodium phosphate dibasic (Na2HPO4, 99%, Samchun), sodium phosphate monobasic dihydrate (NaH2PO4·2H2O, 98–102%, Samchun), sodium carbonate (Na2CO3, 99%, Samchun), sodium bicarbonate (NaHCO3, 99–100.5%, Samchun), fetal bovine serum (FBS, Merck Millipore), Dulbecco's modified eagle medium (DMEM, Welgene), penicillin–streptomycin (Pen–Strep, Gibco), saline (0.9% NaCl, JW Life Science), cell counting kit-8 (CCK-8, Sigma-Aldrich), and phosphate buffered saline (PBS, pH = 7.4, 10 mM, Sigma-Aldrich) were used.
3
Polyelectrolyte-Surfactant Complexation Protocol
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2-aminoethanothiol hydrochloride (cysteamine) and hexadecyltrimethylammonium bromide (CTAB) were purchased from Sigma-Aldrich. Polyacrylic acid (M w 5 kDa) 50 wt% solution was purchased from ACROS Organics. The electroactive cationic surfactant (ferrocenylmethyl)hexadecyldimethylammonium bromide (FcCDAB) was prepared in our laboratory following a protocol reported by Jeffrey Gold and coworkers [52, (link)53] (link). All the polyelectrolyte and surfactant solutions were prepared with deionized water: 1 mg/ml PAA 5kDa (pH 3.7), 2 mM CTAB, 2 mM FcCDAB and CTAB-FcCDAB mixed surfactant solutions presenting a 2 mM total surfactant concentration with the following CTAB molar fractions (X sc CTAB ): 0.9, 0.7 and 0.5. Solutions of 1 mg/ml PAA resulted in a pH value of 3.7; at this condition, the PAA is protonated around 90% [40] (link). The CTAB and FcCDAB solutions were prepared over the critical micelle concentration, 0.98 mM [54] (link) and 0.17 mM [33] (link), respectively (at 25 °C in the absence of salt).
4
Synthesis of Gold Nanoparticles
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Ammonium ferric citrate (FeC6H5O7·NH4OH), polyacrylic acid (PAA, molecular weight = 3000), hydrazine hydrate (N2H4·H2O, 85%), and sodium borohydride (NaBH4) were all purchased from Alfa Aesar Co. Cetyltrimethylammonium bromide (CTAB) and hydrogen tetra-chloroaurate(III) tetrahydrate (HAuCl4·4H2O) were purchased from Sinopharm Group Chemical regent Co., Ltd. (Shanghai, China). Other reagents were of analytical reagent grade and used without further purification. Ultrapure water was used in the experiment.
5
Polymer-based Functionalized Particles
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Polyacrylic acid (PAA, Mw ∼ 100 kDa), polyvinylpyrrolidone (PVP, Mw ∼ 55 kDa), branched polyethylenimine (PEI, Mw ∼ 120 kDa), tetrahydrofuran (THF), and fluorescein isothiocyanate (FITC) were obtained from Alfa Aesar. Dimethyl sulfoxide (DMSO), isopropyl alcohol (IPA) was purchased from British Drug House (BDH) and pyridine dithioethylamine hydrochloride (PDH) was obtained from Chem‐Impex International Inc. (Wood Dale, IL). Dithio‐bis‐(2‐nitrobenzoic acid) (DTNB) and dithiothreitol (DTT) were received from G Biosciences. Chloramine trihydrate (CaT) was received from Acros Organics. N‐hydroxysuccinimide (NHS), N‐(3‐dimethylaminopropyl)‐N‐ethylcarbodiimide (EDC), polyvinylalcohol (PVA, hydrolyzed degree 99+%, Mw = 85–124 kDa) and ethanol were purchased from Sigma‐Aldrich. All materials were used as received. Ultrapure water was obtained from a Millipore Synergy UV system (18.2 MΩ). Trypan blue and Triton X‐100 surfactant were purchased from Corning Cellgro and EMD Millipore, respectively. Bovine albumin serum (BSA) was obtained from Fischer Scientific. PS carboxyl functionalized particles (3 µm, 6 µm diameter) were purchased from Polysciences. The stock solutions of PEI (5 mg/mL), PVP (5 mg/mL) and PAA (5 mg/mL) were prepared in 80% ethanol.
6
Synthesis of Mesoporous Silica-Calcium Composites
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Cetyltrimethylammonium bromide (CTAB), tetraethyl orthosilicate (TEOS), ammonia (25–28% aqueous solution) and triethyl phosphate (99% RG) were purchased from Shanghai Aladdin Biochemical Technology Co., Ltd.(China) Polyacrylic acid (25 wt%, MW = 240,000) was purchased from Alfa Aesar, P123 (Mn = ~5800, EO20PO70EO20) was purchased from Sigma-Aldrich. Calcium nitrate tetrahydrate (Ca(NO3)2·4H2O) was purchased from Tianjin Jiangtian Chemical Technology Co., Ltd.(China) All materials were used as received without further purification.
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