Hexadecyltrimethylammonium chloride ctac

Manufactured by Thermo Fisher Scientific

Hexadecyltrimethylammonium chloride (CTAC) is a cationic surfactant commonly used in various laboratory applications. It serves as a key component in various chemical and analytical procedures.

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2 protocols using hexadecyltrimethylammonium chloride ctac

Synthesis of Plasmonic Nanoparticles

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Cetyltrimethylammonium bromide (CTAB, ≥ 99%), gold (III) chloride trihydrate (HAuCl₄·3H₂O, ≥99.9%), ascorbic acid (≥99.0%), silver nitrate (AgNO₃, ≥99.0%), sodium borohydride (NaBH₄, 98%), 8-hydroxyquinoline (8-HQL, 99.0%), poly(sodium-p-styrenesulfonate) (PSS, average M.W. ~1,000,000), 4-aminothiophenol (p-ATP, 97%), and zinc nitrate hexahydrate (Zn(NO₃)₂·6H₂O, 98%) were purchased from Sigma Aldrich. Nitric Acid (HNO₃, 70%), hydrogen Peroxide (H₂O₂, 30%), sulfuric Acid (H₂SO₄, 95.0 to 98.0 w/w %), phosphate buffered saline (PBS, 10X), ethylenediaminetetraacetic acid (EDTA, >99%), sucrose and sodium hydroxide (NaOH, ≥97.0%) were purchased from Fisher Chemical. Hexadecyltrimethylammonium chloride (CTAC, 99%), and 2-methylimidazole (99%) were purchased from ACROS Organics. Protein A, human IgG, mouse anti-rabbit IgG, fetal bovine serum, and goat anti-human IgG were purchased from Invitrogen. Type 1 deionized water (18.2 mΩ·cm) was used in all experiments and produced by Sartorius Arium Pro ultrapure water system. The filter paper (Whatman No. 1 grade) used in SERS experiments was purchased from Fisher Chemical.

Li Y., Guo H., Yin Z., Lyle K, & Tian L. (2021). Metal-organic Frameworks for Preserving Functionality of Plasmonic Nanosensors. ACS applied materials & interfaces, 13(4), 5564-5573.

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Fluorescein Reduction and Nanoparticle Synthesis

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Reagents for the reduction of fluorescein
(fluorescein sodium salt, BioReagent, suitable for fluorescence) by
borohydride (sodium borohydride, powder, ≥ 98.0%) were purchased
from Sigma-Aldrich. For nanoparticle synthesis, Au(III) chloride trihydrate
(HAuCl₄·3H₂O, ≥99.9%, Sigma-Aldrich),
hexadecyltrimethylammonium chloride (CTAC, 99%, Acros Organics), sodium
borohydride (NaBH₄, ≥98%, Sigma-Aldrich), sodium
bromide (NaBr, ≥99%, Sigma-Aldrich), potassium iodide (KI,
≥99%, Sigma-Aldrich), l-ascorbic acid (≥99%,
Sigma-Aldrich), silver nitrate (AgNO₃, ≥99.0%, Sigma-Aldrich),
polyvinylpyrrolidione (PVP, average MW = ∼55 000, Sigma-Aldrich),
sodium citrate tribasic dihydrate (Sigma-Aldrich, ≥99.0%),
acetone (AnalaR NORMAPUR, VWR), and hydrogen peroxide (H₂O₂, 30% w/w in H₂O, Sigma-Aldrich) were used
without further purification. Ultrapure water (Milli-Q Advantage A10
water purification, Merck) was used for all nanoparticle synthesis
and washing.

Levin S., Lerch S., Boje A., Fritzsche J., KK S., Ström H., Moth-Poulsen K., Sundén H., Hellman A., Westerlund F, & Langhammer C. (2022). Nanofluidic Trapping of Faceted Colloidal Nanocrystals for Parallel Single-Particle Catalysis. ACS Nano, 16(9), 15206-15214.

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