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Octadecanethiol

Manufactured by Merck Group
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Sourced in Norway, Germany

Octadecanethiol is a long-chain alkanethiol organic compound with the chemical formula CH3(CH2)17SH. It is a colorless, crystalline solid used in various laboratory applications, primarily as a surface modifier and self-assembled monolayer (SAM) agent.

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Lab products found in correlation

Acetone, by Avantor (2 mentions) Absolute ethanol, by Avantor (2 mentions) Rhodamine 6g, by Merck Group (2 mentions) Glucose, by Merck Group (1 mentions) Formaldehyde, by Ted Pella (1 mentions) Laminin, by Merck Group (1 mentions) Cell culture reagents, by Thermo Fisher Scientific (1 mentions) Collagen 2, by Merck Group (1 mentions) Fibronectin, by Merck Group (1 mentions) Collagen 4, by Merck Group (1 mentions) Filtration system, by Merck Group (1 mentions) Polystyrene spheres, by Merck Group (1 mentions) Methylene blue, by Merck Group (1 mentions) Tetrahydrofuran, by Daejung Chemicals (1 mentions) Ferric nitrate, by Merck Group (1 mentions) Glucose oxidase, by Avantor (1 mentions) Pdms sylgard 184, by Dow (1 mentions) Acetaminophen, by Merck Group (1 mentions) Glutaraldehyde, by Electron Microscopy Sciences (1 mentions) Sodium chloride (nacl), by Avantor (1 mentions)

6 protocols using octadecanethiol

1

Substrate Preparation and Characterization

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In all experiments, deionized water (18.2 MΩ·cm) was obtained from a Millipore filtration system (Milli-Q IQ7003, Darmstadt, Germany). The silicon wafer (p-doped) or borosilicate glass substrates were cleaned by oxygen plasma before use. The self-assembled molecules of Octadecanethiol (ODT, 98%), PS spheres aqueous suspension (10 wt%), Rhodamine 6G (R6G, 99%), and glucose (99.5%) were all purchased from Sigma Aldrich (Trondheim, Norway). In addition, acetone and absolute ethanol (99.5%, VWR chemicals, Trondheim, Norway) were used as received without further purification.
Luo S., Mancini A., Lian E., Xu W., Berté R, & Li Y. (2022). Large Area Patterning of Highly Reproducible and Sensitive SERS Sensors Based on 10-nm Annular Gap Arrays. Nanomaterials, 12(21), 3842.
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2

Cell Adhesion Protein Sourcing

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General laboratory chemicals and reagents were purchased from VWR. Cell culture reagents, and antibodies were purchased from Life Technologies. Octadecanethiol, fibronectin, collagen IV, collagen II, and laminin were purchased from Sigma-Aldrich. Formaldehyde was purchased from Ted Pella, Inc.
Sobers C.J., Wood S.E, & Mrksich M. (2015). A Gene Expression-Based Comparison of Cell Adhesion to Extracellular Matrix and RGD-Terminated Monolayers. Biomaterials, 52, 385-394.
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3

Fabrication of Self-Assembled Monolayers

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Deionized water (18.2 MΩ·cm)
was obtained from a Millipore filtration system. Glass substrates
were cleaned by oxygen plasma before use. Octadecanethiol (ODT, 98%),
16-mercaptohexadecanoic acid (MHDA), Cu(ClO4)2, polystyrene spheres (500 nm, 10 wt % in water, Product no. 59769,
Sigma-Aldrich) and methylene blue (MB, 99%) were purchased from Aldrich.
Acetone (99.5% purity) and absolute ethanol (99.5% purity) were used
as received from VWR without further purification.
Luo S., Mancini A., Wang F., Liu J., Maier S.A, & de Mello J.C. (2022). High-Throughput Fabrication of Triangular Nanogap Arrays for Surface-Enhanced Raman Spectroscopy. ACS Nano, 16(5), 7438-7447.
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4

Surface Modification of Glass Substrates

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Borosilicate glass substrates were cleaned by oxygen plasma before use. Octadecanethiol (ODT, 98%), 10 wt% aqueous suspensions of 200-nm, 500-nm and 1000-nm PS nanospheres, and Rhodamine 6G (R6G, 99%) were purchased from Sigma Aldrich (Darmstadt, Germany). A 1-wt.% aqueous suspension of 50-nm PS nanospheres was purchased from Phosphorex (Hopkinton, MA, United States). Acetone and absolute ethanol (99.5%, VWR chemicals, Oslo, Norway) were used as received without further purification.
Luo S., Zhang J, & de Mello J.C. (2023). Detection of environmental nanoplastics via surface-enhanced Raman spectroscopy using high-density, ring-shaped nanogap arrays. Frontiers in Bioengineering and Biotechnology, 11, 1242797.
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5

Synthesis of Silver-Alkylthiolate Coordination Polymer

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Alkylthiolate–silver coordination polymer was prepared referring to the previous literatures [19 (link)]. Silver nitrate (AgNO3, 4.9 × 10−3 mol; Sigma-Aldrich, Inc., St. Louis, MO, USA) was dissolved in a mixed solvent (50 mL of tetrahydrofuran (THF; Daejung Chemicals & Metals CO., LTD., Siheung, South Korea) and 25 mL of ethanol (EtOH; Daejung Chemicals & Metals CO., LTD., Tokyo South Korea)), and octadecanethiol (9.1 × 10−3 mol; Sigma-Aldrich, Inc., St. Louis, MO, USA) was dissolved in 50 mL of THF solvent. Both solutions were mixed and vigorously stirred under ambient condition. After 24 h, the obtained precipitate was separated by centrifugation and unreacted octadecanethiol moiety was washed out utilizing THF and EtOH. Thus obtained product, AgS(CH2)17CH3 coordination polymer (AgSC18) was dried in vacuum oven.
Jung J.S., Ko S.J., Lee H.B., Lee S.B., Kim H.J, & Oh J.M. (2019). Hierarchical Ag Nanostructures Fabricated from Silver Coordination Polymers for Antibacterial Surface. Polymers, 11(1), 155.
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6

Fabrication of Electrochemical Sensors

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Bovine serum albumin (BSA), 1H,1H,2H,2H-perfluorodecanethiol, ferric nitrate, acetaminophen and octadecanethiol were purchased from Sigma Aldrich (St. Louis, MO). Thiourea and glucose was obtained from Alfa Aesar (Ward Hill, MA). Glutaraldehyde was acquired from Electron Microscopy Sciences (Hatfield, PA). Glucose oxidase and FeCl3 were obtained from Amresco (Solon, OH). NaCl, KCl, NaH2PO4, Na2HPO4 were acquired from Avantor Performance Materials (Center Valley, PA). The e-jet printing needle (glass micropipette) was purchased from World Precision Instruments (Sarasota, FL). Perfluorosulfonic acid (PFSA) in 1-propanol and water was purchased from Ion Power (New Castle, DE). The photoresist SU-8 was acquired from Microchem (Westborough, MA). Sylgard 184 PDMS was obtained from Dow Corning (Midland, MI). The Pt and Ag plating solution were purchased from Technic (Cranston, RI). Au (150 nm thick) on 12.7 μm polyimide (PI) film was acquired from Sheldahl (Northfield, MN). Milli-Q water (18.2 MΩ cm) was used in all sample preparation.
Du X., Durgan C.J., Matthews D.J., Motley J.R., Tan X., Pholsena K., Árnadóttir L., Castle J.R., Jacobs P.G., Cargill R.S., Ward W.K., Conley JF J.r, & Herman G.S. (2015). Fabrication of a Flexible Amperometric Glucose Sensor Using Additive Processes. ECS journal of solid state science and technology : JSS, 4(4), P3069-P3074.
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