Tetrachloroauric(III) acid trihydrate (HAuCl4·3H2O) was synthesized according to Schubert et al.,27 oleylamine (Acros Organics, C18 content of about 80–90%) was purchased from Fisher Scientific GmbH (Schwerte, Germany) and filtered with a 0.45 μm Rotilabo-PTFE syringe filter from Carl Roth GmbH + Co. KG (Karlsruhe, Germany) prior to each usage to remove any oxidized residues, triisopropylsilane (95%) and n-hexane (at least 99% p.a.) were obtained from abcr GmbH (Karlsruhe, Germany), pentane (Sigma Aldrich, for HPLC, ≥99%) and borane tert-butylamine complex (Sigma Aldrich, 97%) were obtained from Merck KGaA (Darmstadt, Germany), cyclohexane (ROTISOLV ≥ 99.9%, GC Ultra Grade) was bought from Carl Roth GmbH + Co. KG (Karlsruhe, Germany) and absolute ethanol (99.8%, analytical reagent grade) was procured from Fisher Scientific GmbH (Schwerte, Germany). All chemicals were used without further purification unless explicitly mentioned.
Borane tert butylamine complex
Manufactured by Merck Group
Sourced in Germany
Borane tert-butylamine complex is a chemical compound used in various laboratory applications. It serves as a reducing agent and is commonly employed in organic synthesis reactions.
Automatically generated - may contain errors
Lab products found in correlation
Absolute ethanol, by Thermo Fisher Scientific (2 mentions)
Pentane, by Merck Group (2 mentions)
Rotilabo ptfe syringe filter, by Carl Roth (2 mentions)
Triphenylphosphine, by Merck Group (2 mentions)
Sodium borohydride, by Merck Group (2 mentions)
Gold 3 chloride trihydrate, by Merck Group (2 mentions)
Triisopropylsilane, by ABCR (1 mentions)
Cyclohexane, by Carl Roth (1 mentions)
N hexane, by ABCR (1 mentions)
Gc ultra grade, by Carl Roth (1 mentions)
Chloroplatinic acid hexahydrate, by Merck Group (1 mentions)
L glutathione reduced, by Merck Group (1 mentions)
Ethanol, by Merck Group (1 mentions)
Toluene, by Merck Group (1 mentions)
Nafion solution, by Merck Group (1 mentions)
1 octanethiol, by Merck Group (1 mentions)
11 mercaptoundecanoic acid, by Merck Group (1 mentions)
Silver trifluoroacetate, by Merck Group (1 mentions)
1 dodecanethiol, by Merck Group (1 mentions)
Tetrabutylammonium bromide, by Merck Group (1 mentions)
6 protocols using borane tert butylamine complex
1
Synthesis of Tetrachloroauric(III) Acid
2
Platinum-based Electrocatalyst Synthesis
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Chloroplatinic acid hexahydrate (H2PtCl6·6H2O, 37.5% Pt basis), triphenylphosphine (PPh3, 99%), toluene (99.5%), borane-tert-butylamine complex (TBAB, ≥95.0%), sodium borohydride (NaBH4, 98%), L-reduced glutathione (GSH, 98%), ethanol (≥99.5%), Nafion solution (~5% in a mixture of lower aliphatic alcohols and water), and commercial 20% Pt/C catalyst were purchased from Sigma-Aldrich. Carbon black (Vulcan XC-72R) was bought from Carbot Co. All reagents were used as received without further purification.
3
Synthesis and Fractionation of Functionalized Gold Nanoparticles
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Citric acid trisodium salt (>98%), 11-mercaptoundecanoic acid (98%), 1-octanethiol (>97%), gold(III) chloride trihydrate (>99.9%), sodium borohydride (99%), chloro(triphenylphosphine) gold(I) and borane tert-butylamine complex (97%) were purchased from Sigma Aldrich and used without further purification. 11-mercaptoundecane sulfonate sodium salt was synthesized in-house according to a previously reported protocol35 . All solvents were purchased from Sigma Aldrich with ACS grade purity and no further purification was applied before use.
In general, each AuNPs was synthesized through reduction of gold salts in the presence of water soluble capping agents. For citrate–AuNPs synthesis, an aqueous gold chloride solution (1 ml, 25 mM) was injected into an aqueous sodium citrate solution (150 ml, 2.2 mM) at 100 °C. After 15 min of stirring, the solution was brought to room temperature. To prepare the samples for DGU fractionation, the NP solution was directly concentrated using Amicon Ultra MWCO 30 kDa centrifugal filters in Sorvall Legend XT/XF Thermofisher Centrifuge at 6,000 rcf for 25 min.
MUA-AuNPs were synthesized according to a previously reported protocol with the exception that MUA was used instead of MUS/OT capping ligands36 (link). MUS(s)–AuNPs synthesis followed previously reported methods37 (link) and large particles and aggregates were removed via DGU fractionation.
In general, each AuNPs was synthesized through reduction of gold salts in the presence of water soluble capping agents. For citrate–AuNPs synthesis, an aqueous gold chloride solution (1 ml, 25 mM) was injected into an aqueous sodium citrate solution (150 ml, 2.2 mM) at 100 °C. After 15 min of stirring, the solution was brought to room temperature. To prepare the samples for DGU fractionation, the NP solution was directly concentrated using Amicon Ultra MWCO 30 kDa centrifugal filters in Sorvall Legend XT/XF Thermofisher Centrifuge at 6,000 rcf for 25 min.
MUA-AuNPs were synthesized according to a previously reported protocol with the exception that MUA was used instead of MUS/OT capping ligands36 (link). MUS(s)–AuNPs synthesis followed previously reported methods37 (link) and large particles and aggregates were removed via DGU fractionation.
4
Nanoparticle Synthesis and MALDI Sample Prep
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For nanoparticle synthesis, gold(III) chloride trihydrate, silver trifluoroacetate, 1-dodecanethiol (DDT) and borane tert-butylamine complex were purchased from Sigma-Aldrich and used as received.
For MALDI sample preparation, 2-[(2E)-3-(4-tert-butylphenyl)-2-methylprop-2-enylidene] malononitrile (DCTB) and 9-nitroanthracene (9-NA) were purchased from Sigma-Aldrich and used as received.
For MALDI sample preparation, 2-[(2E)-3-(4-tert-butylphenyl)-2-methylprop-2-enylidene] malononitrile (DCTB) and 9-nitroanthracene (9-NA) were purchased from Sigma-Aldrich and used as received.
5
Synthesis of Platinum and Palladium Catalysts
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Palladium acetylacetonate (Pd(acac)2, 99%), platinum acetylacetonate (Pt(acac)2, 97%), triphenylphosphine (TPP, 99%), borane tert-butylamine complex (BTB, 97%), trioctylphosphine oxide (TOPO, technical grade, 90%), oleylamine (OAm, technical grade, 70%), tetrabutylammonium bromide (TBAB, 99%) and Nafion perfluorinated ion-exchange resin (5 wt% solution in a lower aliphatic alcohol/H2O mixture that contains 15–20% water) were all purchased from Sigma-Aldrich. Acetic acid (CH3COOH, 99.7%) and methanol (CH3OH, 99%) were purchased from Wako Pure Chemical Industries Ltd. Commercial Pt/C (50% platinum on Vulcan XC-72) was purchased from Fuel Cell Store. Carbon black (Vulcan XC-72) was purchased from Moubic Inc. Polishing alumina (0.05 μm) was purchased from BAS Inc. All the chemicals were used as received without further purification.
6
Synthesis of Tetrachloroauric(III) Acid Trihydrate
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Tetrachloroauric(iii ) acid trihydrate (HAuCl4·3H2O) was synthesized according to Schubert et al.,34 oleylamine (Acros Organics, C18 content of about 80–90%) was purchased from Thermo Fisher Scientific GmbH (Schwerte, Germany) and filtered with a 0.45 μm Rotilabo-PTFE syringe filter from Carl Roth GmbH + Co. KG (Karlsruhe, Germany) prior to each usage to remove any oxidized residues, pentane (Sigma Aldrich, for HPLC, ≥99%) and borane tert-butylamine complex (Sigma Aldrich, 97%) were obtained from Merck KGaA (Darmstadt, Germany), cyclohexane (ROTISOLV ≥99.9%, GC Ultra Grade) was bought from Carl Roth GmbH + Co. KG (Karlsruhe, Germany), and absolute ethanol (≥99.8%, analytical reagent grade) was procured from Fisher Scientific GmbH (Schwerte, Germany). All chemicals were used without further purification unless explicitly mentioned.
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