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Acetone d6

Manufactured by Thermo Fisher Scientific
Sourced in Switzerland, Belgium, United States, France

Acetone-d6 is a deuterated solvent commonly used in nuclear magnetic resonance (NMR) spectroscopy. It is a clear, colorless liquid with a chemical formula of (CD3)2CO. Acetone-d6 has a high degree of deuteration, making it a valuable tool for NMR analysis, particularly in the study of organic compounds.

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7 protocols using acetone d6

1

Preparation of Extractive-Free Lignocellulosic Biomass

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1-butanol (99% purity) and acetone-d6 (99.5 atom% D) were purchased from Acros organics. Silicon dioxide (fused granular, 99.9% purity, mesh 4–20), sodium sulfate (99.0% purity), sodium hydroxide (≥97.0% purity), deuterated chloroform (99.8 atom% D), chromium acetylacetonate (97% purity), 2-chloro-4,4,5,5-tetramethyl-1,3,2-dioxaphospholane (95% purity), and deuterium oxide (99.9% atom% D) were purchased from Merck. Sulfuric acid (95–97% purity) and tetrahydrofuran (stabilized with BHT) were purchased from Boom B.V. Acetone (99.5% purity) and toluene were purchased from Macron Fine Chemicals. Endo-hydroxy-5-norbornene-2,3-dicarboximide was purchased from Fisher scientific. Walnut powder was bought from Brambleberry (Bellingham, WA, United States). Biomass preparation was performed via an earlier published procedure (Zijlstra et al., 2019b (link)), which includes ball-milling in order to obtain small particles and the removal of extractives from the biomass by a 2 h toluene extraction at reflux conditions in a roundbottom flask. The extraction liquor was removed by filtration and the extractive-free lignocellulosic feedstocks were dried in an oven in vacuo for 16 h at 70°C.
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2

Hepatocyte Acetone Extract Analysis

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A total of 200 µL of the deuterated acetone (acetone-d6, 99.9 atom % D, with 0.03% v/v of tetramethylsilane (TMS) from Acros Organics, Switzerland) was added to the lyophilized samples of the acetone extracts of hepatocytes right before the NMR experiments. Samples were mixed and centrifuged (10 min at 20,000× g at 8 °C) and then transferred into 3 mm NMR tubes. Pure deuterated acetone containing 0.03% (v/v) TMS was used as an external standard for the carotenoid’s quantification.
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3

Characterization of Organic Compounds

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Methanol (>99.9%), n-dodecane
(>99%), and acetone-d6 (99.9 atom %
D) were purchased from Acros Organics (Geel, Belgium)
while TBP (>98%) was purchased from Alfa-Aesar (Karlsruhe, Germany).
Chloroform-d (99.8 atom % D) and LiCl (99.9%) were
obtained from Sigma-Aldrich (Diegem, Belgium). The mixing was performed
using an Eppendorf ThermoMixer C, in T Corning Centrifuge Tubes with
CentriSTAR caps. Centrifugation was performed by means of a Heraeus
Megafuge 1.0. 1H NMR spectra were recorded on a Bruker
Avance 300 spectrometer, operating at 300 MHz. The chemical shifts
are noted in parts per million (ppm), referenced to tetramethylsilane.
All chemicals were used as received without any further purification.
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4

Analytical Standards for Lipid Peroxidation

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Triphenylphosphine (TPP), and 2-hydrazinoquinoline (HQ) were purchased from Alfa Aesar (Ward Hill, MA); 2,2′-dipyridyl disulfide (DPDS) from MP Biomedicals (Santa Ana, CA), USA; LC-MS-grade water and acetonitrile from Fisher Scientific (Houston, TX, USA); Hydrochloric acid from RICCA Chemical Company (Arlington, Texas, USA); trichloroacetic acid and 2-thiobarbituric acid from Sigma-Aldrich (St. Louis, MO, USA); and malonaldehyde bis (dimethyl acetal) from Acros Organics (Morris Plains, NJ, USA). Aldehyde standards, including 2-undecenal, 2,4-undecadienal, 2-decenal, 2,4-decadienal, 2-nonenal, 2,4-nonadienal, 2-octenal, 2-heptenal, 2,4-heptadienal, 2-hexenal, 2-pentenal were provided by Bedoukian Research (Danbury, CT, USA). Octanal and hexanal were purchased from Alfa Aesar (Ward Hill, MA, USA); pentanal and nonanal from TCI America (Portland, OR, USA); acrolein from Sigma-Aldrich (St. Louis, MO, USA); 4-hydroxynonenal (4-HNE) from Cayman Chemical (Ann Arbor, MI, USA); and acetone-d6 from Acros Organics (Morris Plains, NJ, USA). Fatty acids standards (C4-C22) were purchased from Nu-Chek Prep, Inc. (Elysian, MN, USA).
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5

Synthesis and Characterization of Stimuli-Responsive Polymers

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Poly(ethylene glycol) methyl ether methacrylate solution, henceforth designated as PEGMA2k, with Mn 2000, and in solutions 50 wt % in water, 2-(diethylamino)ethyl methacrylate (DEAEMA, 99%), tert-butyl methacrylate (tBMA, 98%), bis(2methacryloyl)oxyethyl disulfide (DSDMA), myristyl trimethylammonium bromide (MyTAB), ethyl α-bromoisobutyrate (EBiB, 98%), L-ascorbic acid (AA), and triethylamine were purchased from Sigma-Aldrich. Tris(2-pyrdiylmethyl)amine was purchased from TCI America. Brij 30, Brij 35, copper (II)bromide (991 %), acetone-d6 (99.8% D), and deuterium oxide (99.8% D) were purchased from Acros Organics. Tris(hydroxypropyl)phosphine (THP) and tris(2-carboxylethyl) phosphine (TCEP) were purchased from EMD Millipore. Tetrahydrofuran, acetone, hydrochloric acid, hexanes, and methylene chloride were purchased from Fisher Scientific. Poly(ethylene glycol) monomethyl ether monomethacrylate, Mn 1000 (PEGMA1k) was purchased from Polysciences. All chemical were used as received. For reactions in D2O, PEGMA2k was prepared as described in the literature.31
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6

NMR Spectroscopy Sample Preparation

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Deuterium oxide (D2O, 99.9%) from Cambridge Isotope Laboratories Inc. (Andover, MA, USA); Trichloroacetic acid (TCA) from Sigma-Aldrich (St. Louis, MO, USA); 3-(Trimethylsilyl)-propionic-2,2,3,3-d4 acid sodium salt (TSP, 98 atom % D) from Armar Chemicals (Dottingen, Switzerland); Acetone from VWR International S.A.S (Fontenay-sous-Bois, France); Acetone-d6 (99 + atom % D) with 0.03% of tetramethylsilane (TMS) from Acros Organics (Morris Plains, NJ, USA); Sodium hydroxide from Sigma-Aldrich was used to adjust the pH of the samples.
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7

Synthesis and Characterization of Responsive Polymers

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Poly(ethylene glycol) methyl ether methacrylate solution, with PEG with nominal Mn 2000 in 50 wt% water solution (PEGMA2k), 2-(diethylamino)ethyl methacrylate (DEAEMA), 2-(diisopropylamino)ethyl methacrylate (DPAEMA), methyl methacrylate (MMA), tert-butyl methacrylate (tBMA), benzyl methacrylate (BnMA), cyclohexyl methacrylate (CHMA), (trimethylsilyl)methacrylate (TMS-MA), 2-(Trimethylsilyloxy)ethyl methacrylate (TMS-HEMA), bis(2-methacryloyl)oxyethyl disulfide (DSDMA), myristyl trimethylammonium bromide (MyTAb), ethyl α-bromoisobutyrate (EBiB), L-ascorbic acid (AA), 6-(p-Toluidino)-2-naphthalenesulfonic acid sodium salt (TNS), dimethyl sulfoxide-d6 (DMSO-d6) and triethylamine were purchased from Sigma-Aldrich. Tris(2-pyrdiylmethyl)amine and hexyl methacrylate (HMA) were purchased from TCI America. Brij 30, Brij 35, copper (II)bromide (99+ %), acetone-d6 (99.8 % D), and deuterium oxide (99.8 % D) were purchased from Acros Organics. Tris(2-carboxylethyl)phosphine (TCEP) was purchased from EMD Millipore. Tetrahydrofuran, acetone, and hydrochloric acid were purchased from Fisher Scientific. All chemicals were used as received.
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