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2 2 6 6 tetramethylpiperidine

Manufactured by Merck Group
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Sourced in China, United States

2,2,6,6-tetramethylpiperidine is a chemical compound used in laboratory settings. It is a cyclic amine with a distinctive structure consisting of a piperidine ring with four methyl groups attached to the carbon atoms in the 2 and 6 positions. This compound is commonly utilized as a reagent or intermediate in various chemical reactions and synthesis processes.

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Lab products found in correlation

Triethylamine, by Merck Group (3 mentions) 5 5 dimethyl 1 pyrroline n oxide, by Merck Group (3 mentions) Copper 1 iodide, by Merck Group (2 mentions) Sodium n dodecyl sulfate, by Thermo Fisher Scientific (2 mentions) Rhodamine b, by Merck Group (1 mentions) Sodium bromide, by Merck Group (1 mentions) Divinyl sulfone, by Merck Group (1 mentions) 1 hexanethiol, by Merck Group (1 mentions) 2 2 6 6 tetramethyl 1 piperidinyloxy free radical, by Merck Group (1 mentions) Butyl 3 mercaptopropionate, by Merck Group (1 mentions) 2 2 6 6 tetramethylpiperidin 1 yl oxyl, by Merck Group (1 mentions) Butyl acrylate, by Merck Group (1 mentions) Calcein acetoxymethyl ester calcein am, by Merck Group (1 mentions) Haucl4 4h2o, by Merck Group (1 mentions) Dcfh da, by Merck Group (1 mentions) Sodium hydroxide (naoh), by Merck Group (1 mentions) Bovine serum albumin (bsa), by Merck Group (1 mentions) Propidium iodide, by Merck Group (1 mentions) 4 6 diamidino 2 phenylindole (dapi), by Merck Group (1 mentions) N hydroxysuccinimide, by Merck Group (1 mentions)

8 protocols using 2 2 6 6 tetramethylpiperidine

1

Cellulose-based Materials Characterization

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The cellulose source of never-dried bleached softwood kraft pulp (BSKP), alkaline peroxide mechanical pulp (APMP) and dissolving pulp were provided by Tai Yang Company (Shandong, China). Cotton was purchased from Guangzhou Nayong Cosmetics Co., Ltd. CNCs are supplied by Northern Century Cellulose Materials Ltd. Sodium hypochlorite (NaClO, AR, 7.5%), sodium bromide (NaBr, AR, 99%), 2, 2, 6, 6-tetramethylpiperidine (TEMPO, purity ≥ 99.9%) and rhodamine B (Φ = 0.31) were purchased from Sigma-Aldrich. Commercially available CNF (CNF-0) and bacterial cellulose (BC, Cellulose content ≥ 99.9%.) was purchased from Hainan Yide Food Co., Ltd. Potato starch (CAS: 9005-25-8), cellobiose, maltose, glucose and reagents were purchased from Qianhui Chemical Reagent Co., Ltd. (Guangzhou, China) and were of analytical grade unless otherwise stated.
Ding Q., Han W., Li X., Jiang Y, & Zhao C. (2020). New insights into the autofluorescence properties of cellulose/nanocellulose. Scientific Reports, 10, 21387.
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2

Synthesis of Thiol-Ene Photocurable Resins

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2,2,6,6-Tetramethyl piperidine (TMP), divinyl sulfone (DVS), 2,2,6,6-tetramethyl-1-piperidinyloxy, free radical (TEMPO), 1-hexanethiol (HT), butyl 3-mercaptopropionate (BT), butyl acrylate, triethylamine (TEA), (2,2,6,6-Tetramethylpiperidin-1-yl) oxyl (TEMPO), and diethyleneglycol diethyl ether (DEGDE), triethylene glycol diacrylate (TEGDA) were purchased from Sigma-Aldrich. Pentaerythritol tetra(3-mercaptopropionate) (PETMP) was donated by Bruno Bock. All chemicals were used as received. Tetra (2-mercaptoethyl) silane (SiTSH) was synthesized according to a previously reported procedure.37 Molecular structures are depicted in Fig. 1.
Zhang X., Huang S., Podgórski M., Han X., Claudino M, & Bowman C.N. (2018). Assessment of TEMPO as a Thermally Activatable Base Generator and Its Use in Initiation of Thermally-Triggered Thiol–Michael Addition Polymerizations. Polymer chemistry, 9(32), 4294-4302.
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3

Photosensitizer-Mediated Cellular Assays

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BSA, N-hydroxysuccinimide
(NHS), N-(3-(dimethylamino)propyl)-N-ethylcarbodiimide hydrochloride (EDC), sodium hydroxide, HAuCl4·4H2O, PpIX, CuPpIX, DAPI, 2,2,6,6-tetramethylpiperidine
(TEMP), DCFH-DA, Calcein acetoxymethyl ester (Calcein-AM), and propidium
iodide (PI) were purchased from Sigma-Aldrich Inc. CCK-8 was obtained
from Beyotime Biotechnology.
Qu X., Yin F., Pei M., Chen Q., Zhang Y., Lu S., Zhang X., Liu Z., Li X., Chen H., Zhang Y, & Qin H. (2023). Modulation of Intratumoral Fusobacterium nucleatum to Enhance Sonodynamic Therapy for Colorectal Cancer with Reduced Phototoxic Skin Injury. ACS Nano, 17(12), 11466-11480.
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4

Synthesis of Multicomponent Metal Oxide Nanoparticles

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Zinc nitrate hexahydrate
(Alfa Aesar, 99%), bismuth nitrate pentahydrate (Sigma-Aldrich, 98%),
ferric nitrate nonahydrate (Sigma-Aldrich, ≥98%), glycine (Sigma-Aldrich,
99%), sucrose (Sigma-Aldrich, 99.5%), 5,5-dimethyl-1-pyrroline N-oxide
(Sigma-Aldrich, ≥97%, DMPO), 2,2,6,6-tetramethylpiperidine
(Sigma-Aldrich, 98%, TEMP), and methyl orange (Loba Chemie) were used
as received. The water used for synthesis and other experiments was
deionized (DI).
Hezam A., Namratha K., Ponnamma D., Drmosh Q.A., Saeed A.M., Sadasivuni K.K, & Byrappa K. (2019). Sunlight-Driven Combustion Synthesis of Defective Metal Oxide Nanostructures with Enhanced Photocatalytic Activity. ACS Omega, 4(24), 20595-20605.
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5

Dolomite-Mediated Oxidative Degradation

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The dolomite used in this study was supplied by XBKC Co., Ltd (Shiyan, China). The diphenhydramine hydrochloride with a purity > 98%, superoxide dismutase (SOD), and TiO2 were provided by Sinopharm Chemical Reagent Co., Ltd (Shanghai, China). Acetonitrile, acetic acid, triethylamine, 1, 4-diazabicyclo [2.2.2] octane (DABCO), and isopropanol (IPA) were of high-performance liquid chromatography (HPLC) grade, and supplied by J&K Chemical Co., Ltd (Beijing, China). The spin-trapping reagents 5,5-dimethyl-1-pyrroline N-oxide (DMPO) and 2,2,6,6-tetramethylpiperidine (TEMP) were purchased from Sigma-Aldrich (Shanghai, China). All aqueous solutions were prepared with Milli-Q ultrapure water.
Song L., Yi C., Wu Q., Li Z., Zhang W, & Hong H. (2020). Photocatalytic degradation of diphenhydramine in aqueous solution by natural dolomite. RSC Advances, 10(63), 38663-38671.
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6

Cellular Uptake and Oxidative Stress Evaluation

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Tryptophan and 2,2,6,6-tetramethylpiperidine were purchased from Sigma-Aldrich (St.Louis, MO, USA). Sorbitol was supplied by Aladdin Biochemical Technology Co., Ltd (Shanghai, China). Dulbecco’s Modified Eagle’s Medium (DMEM, high glucose), Roswell Park Memorial Institute (RPMI) 1640 medium, and 10% fetal bovine serum (FBS) were purchased from Naer Biotechnology Co., Ltd (Tianjin, China). LysoTracker Red was obtained from Maokang Biotechnology Co., Ltd (Shanghai, China). Cell Counting Kit-8 (CCK8) was obtained from Vazyme Biotech Co., Ltd (Nanjing, China). The 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium, inner salt (MTS) was obtained from Promega Corporation (USA). Reactive Oxygen Species Assay Kit was supplied by Beyotime (Shanghai, China). Nystatin, Chlorpromazine, N-acetylcysteine (NAC) and Apocynin (APO) were obtained from Selleck. cn (Shanghai, China). mCherry-GFP-LC3 fusion protein were purchased from Tsingke Biotechnology Co., Ltd (Beijing, China).
Wang Y., Chen J., Tian J., Wang G., Luo W., Huang Z., Huang Y., Li N., Guo M, & Fan X. (2022). Tryptophan-sorbitol based carbon quantum dots for theranostics against hepatocellular carcinoma. Journal of Nanobiotechnology, 20, 78.
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7

Synthesis of Triethynylbenzene Derivatives

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Materials 1,3,5-Triethynylbenzene (97%), 2,5-dibromothiophene (96%), copper(I) iodide (99%), tetrakis(triphenylphosphine) palladium(0) (99%), potassium carbonate (K 2 CO 3 ) (99%), ammonium oxalate (99%), catalase, sodium nitrate (99%), L-ascorbic acid (99%), triethylamine (99%), 5,5-dimethyl-1-pyrroline N-oxide (97%), 2,2,6,6-tetramethylpiperidine (98%), 5,5-dimethyl-1-pyrroline N-oxide (97%), a-terpinene (90%), mesitylene (98%) and all other solvents were purchased from Sigma Aldrich. Sodium n-dodecylsulfate (99%) was obtained from Alfa Aesar. 4,7-Dibromobenzo[c]-1,2,5-thiadiazole (97%) was purchased from Combi Blocks. Escherichia coli K-12 and Bacillus subtilis were purchased from DSMZ Leibniz-Institute (Braunschweig, Germany). All chemicals and solvents were used as received unless otherwise specified.
Ma BC ., Ghasimi S ., Landfester K , & Zhang KAI . (2016). Enhanced visible light promoted antibacterial efficiency of conjugated microporous polymer nanoparticles via molecular doping. Journal of materials chemistry. B, 4(30).
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8

Synthesis of Multifunctional Polymer Composites

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Polyvinyl alcohol (Polysciences Inc., 88 mol% hydrolyzed) with a molecular weight M w of 205 000 g mol À1 was used as received. 1,3,5-Triethynylbenzene (97%), copper(I) iodide (99%), tetrakis-(triphenylphosphine) palladium(0) (99%), benzofurazan (97%), triethylamine (99%), iron (99%), 2,2,6,6-tetramethylpiperidine (98%) and crystal violet (90%) were purchased from Sigma Aldrich. Glutaraldehyde (GA, 50 wt% aqueous solution) was purchased from Merck KGaA. Sodium n-dodecylsulfate (99%) was obtained from Alfa Aesar. Magnesium sulfate and sodium bicarbonate were purchased from Fisher Chemical. Escherichia coli K-12 and Bacillus subtilis were purchased from DSMZ Leibniz-Institute (Braunschweig, Germany). Demineralized water was used through all the experiments if not specifically mentioned. All chemicals and solvents were used as received unless otherwise specified.
Jiang S ., Ma BC ., Huang W ., Kaltbeitzel A ., Kizisavas G ., Crespy D ., Zhang KAI , & Landfester K . (2018). Visible light active nanofibrous membrane for antibacterial wound dressing. Nanoscale horizons, 3(4).
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