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6 protocols using butylamine

1

Synthesis and Characterization of Functionalized Nanoparticles

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The used solvents, i.e., acetone, dichloromethane, dimethylformamide, ethanol, methanol, tetrahydrofuran, and toluene, were purchased in pro analysi grade. Styrene was freshly purified prior to use by passing through a column of basic aluminum oxide (Brockmann I, 150 mesh, Merck, Darmstadt, Germany). Anhydrous dichlormethane (Merck, Darmstadt, Germany), 3-aminopropyldimethylethoxysilane (ABCR, Karlsruhe, Germany), Atto 655-maleimide (Merck, Darmstadt, Germany), butylamine (Alfa Aesar, Kandel, Germany), 4-cyano-4-[(dodecylsulfanylthiocarbonyl)sulfanyl]pentanoic acid (ABCR, Karlsruhe, Germany), hydrogen tetrachloroaurate trihydrate ABCR), 2-mercapto-2-thiazoline (Merck, Darmstadt, Germany), N,N‘-dicyclohexylcarbodiimide (Merck, Darmstadt, Germany), propyldimethoxysilane (ABCR, Karlsruhe, Germany), sodium borohydride (Merck, Darmstadt, Germany), tetra-N-octylammonium bromide (ABCR, Karlsruhe, Germany), tris(2-carboxyethyl)phosphine hydrochloride (ABCR, Karlsruhe, Germany), (dimethylamino)-pyridine (MerckDarmstadt, Germany) were purchased in the highest purity available and used as received. Magnesium sulfate (99%, Grüssing, Filsum, Germany) and potassium hydroxide pellets (≥85%, Merck, Darmstadt, Germany) were used as received. Nanopure (type I) water was obtained using a Millipore filtration system equipped with a UV lamp.
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2

Synthesis and Characterization of Quantum Dots

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All chemicals used are commercially available from Sigma-Aldrich (or otherwise specified) and were used without any additional purification steps: lead (II) oxide (99.99%, from Alfa Aesar), cadmium chloride (99.99%), bis(trimethylsilyl)sulfide (synthesis grade) oleic acid (tech. 90%), 1-octadecene (ODE, ≥95%), oleylamine (≥98%), dimethylformamide (DMF, 99%), octane (anhydrous, >99%), butylamine (BA, 99.5%), lead (II) iodide (from Alfa Aesar, 99.999%, ultra dry), methylammonium iodide (MAI, from Dyesol Inc., 99.9%), thioglycerol (TG, 99%), 1,2-ethanedithiol (EDT, 99%) toluene anhydrous, methanol anhydrous, acetone, distilled in glass (Caledon).
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3

Synthesis and Characterization of Photodetector Devices

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All chemicals were obtained from Sigma-Aldrich unless otherwise noted. Chemicals used were bismuth(iii) iodide, 99%; N,N′-dibenzylethylenediamine, 99%; triethylamine, 99%; isobutylamine, 99%; butylamine, 99%; and tin oxide, 15% in H2O colloidal dispersion from Alfa Aesar. Additionally, a solution of hydroiodic acid, 57 wt%, with added hypophosphorous acid for stability was used. N,N-Dimethylformamide (DMF), 99%; dimethylsulfoxide (DMSO), 99%; dichloromethane (DCM), 99%; and methanol, 99%, were used as solvents. Isopropanol, 99%, was used for cleaning equipment and substrates. Helman III from Hellma Analytics, nano pure water, and acetone were used for cleaning substrates. Glass/ITO substrates were used for the fabrication of photodetector devices.
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4

Chromatographic Analysis of Nucleotides

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ATP-disodium salt (ATP-2Na) (99%), ADP-disodium salt (ADP-2Na) (≧95%), AMP-disodium salt (AMP-2Na) (99%), DHB (98%), CHCA (98%), and aniline were purchased from Sigma-Aldrich (St. Louis, MO, USA). Tri-n-Butylamine and 1-methylimidazole were purchased from Alfa Aesar (Tewksbury, MA, USA). Butylamine and tri-n-propylamine were purchased from Acros Organics (Geel, Belgium). Pyridine was purchased from Showa (Saitama, Japan). Methyl alcohol (≥99.9%), ethyl alcohol (≥99.9%), and acetonitrile (≥99.9%) were purchased from Avantor (Radnor, PA, USA). The chemicals were used without further purification and pretreatment before experiments. Water was purified using a purification system (PORETECH, Ultrapure water system, Taiwan); all organic solvents were all HPLC grade.
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5

Synthesis of Diverse Aromatic Amines

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Butylamine (99 +%), pentylamine (99%), and hexylamine (99%) were purchased from Acros Organics (Morris Plains, NJ, USA). 3,5-dinitrobenzoyl chloride (DNBC) (96.5%), propylamine (98%), tert-Butylamine (99.5%), 4,4′-(hexafluoroisopropylidene) diphthalic anhydride (6FDA) (99%), anhydrous N,N-dimethylacetamide (DMAc) (99.8%), triethylamine (TEA) (99.5%), hydrazine monohydrate (80%), anhydrous pyridine (99.8%), and Pd/C (10%) were purchased from Sigma-Aldrich (Milwaukee, WI, USA). All other reagents and solvents were purchased commercially as analytical grade and used without further purification.
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6

Silanization of Glass Coverslips for Flow Chambers

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For silanization, glass coverslips were incubated in 100% methanol for 2 h with shaking. Methanol-washed coverslips were then plasma cleaned (Harrick Plasma Cleaner; HarrickPlasma, Ithaca, NY) for 2–5 min and incubated in a silane mixture (97% toluene [Sigma-Aldrich], 2% 2-methoxy(polyethyleneoxy)propyltrimethoxy­silane [Gelest, Morrisville, PA], and 1% butylamine [Acros Organics, Morris Plains, NJ]) with flowing nitrogen gas for 90 min (Lowndes and Nelson, 2013 (link)). Coverslips were washed in toluene (Lowndes and Nelson, 2013 (link)) and then dried and cured with flowing nitrogen gas for 30 min. Norland optical adhesive (Norland Products, Cranbury, NJ) was used to construct flow chambers by adhering ARTUS shims (ARTUS, Eaglewood, NJ) to silanized glass coverslips before 15 min of UV irradiation (McVicker et al., 2011 (link)).
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