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Carbon dioxide

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Carbon dioxide is a colorless, odorless gas that can be used in various laboratory applications. It is a naturally occurring compound composed of one carbon atom and two oxygen atoms. Carbon dioxide is a key component in many scientific experiments and analytical processes.

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Lab products found in correlation

Avance 300, by Bruker (1 mentions) Helium, by Airgas (1 mentions) Fluoroacetonitrile, by Merck Group (1 mentions) Trichloroacetonitrile, by Merck Group (1 mentions) Deuterated acetonitrile, by Merck Group (1 mentions) Acetonitrile, by Merck Group (1 mentions) A3240hc6eb, by Parr (1 mentions) Milli q ultrapure water, by Merck Group (1 mentions) Nafion perfluorinated resin solution, by Merck Group (1 mentions) Khco3, by Merck Group (1 mentions) Nafion 212 membrane, by DuPont (1 mentions)

8 protocols using carbon dioxide

1

Air-Sensitive Oxiranyl Monomer Purification

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All manipulations involving air- and/or water-sensitive compounds were carried out in a glovebox. All oxiranyl monomers were refluxed over CaH2, and fractionally distilled under a nitrogen atmosphere prior to use. Carbon dioxide (99.995%, bone dry) was purchased from Airgas and used as received. Reagents were purchased from Sigma Aldrich and used as received. All measurements were taken from distinct samples.
Petersen A., Chu N.Q., Fitzgerald D.M., McCaslin E.Z., Blessing W.A., Colby A.H., Colson Y.L, & Grinstaff M.W. (2021). Sustainable Glycerol Terpolycarbonates As Temporary Bioadhesives. Biomaterials science, 9(24), 8366-8372.
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2

Genetic Models of Cerebrovascular Lesions

Cited 1 time
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Animals were generated with the respective genotypes by crossing the Ccm heterozygous mice with mice null for Msh2 or Trp53.9 (link), 12 (link), 39 (link)Krit1 heterozygous mice do not manifest any lesions unless crossed into these backgrounds. Pdcd10 heterozygous mice manifest a very mild phenotype, markedly exaggerated when crossed into Msh2 or Trp53 backgrounds. Mice were sacrificed at around 4 months of age by inhalation of carbon dioxide (Airgas, Radnor Township, PA, USA) and decapitation. The mouse brains were then surgically extracted and dropped into a 10% neutral buffered formalin fixative solution (Azer Scientific, Morgantown, PA, USA). All animal protocols were approved by the Duke University IACUC, where all breeding of these models was conducted.
Zeineddine H.A., Girard R., Saadat L., Shen L., Lightle R., Moore T., Cao Y., Hobson N., Shenkar R., Avner K., Chaudager K., Koskimäki J., Polster S.P., Fam M.D., Shi C., Lopez-Ramirez M.A., Tang A.T., Gallione C., Kahn M.L., Ginsberg M., Marchuk D.A, & Awad I.A. (2018). Phenotypic Characterization of Murine Models of Cerebral Cavernous Malformations. Laboratory investigation; a journal of technical methods and pathology, 99(3), 319-330.
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3

Synthesis of Air-Sensitive Oxiranyl Monomers

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All manipulations involving air- and/or water-sensitive compounds were carried out in a glovebox. All oxiranyl monomers were refluxed over CaH2, and fractionally distilled under a nitrogen atmosphere prior to use. Carbon dioxide (99.995%, bone dry) was purchased from Airgas and used as received. Reagents were purchased from Sigma-Aldrich and used as received. All measurements were taken from distinct samples.
Beharaj A., McCaslin E.Z., Blessing W.A, & Grinstaff M.W. (2019). Sustainable polycarbonate adhesives for dry and aqueous conditions with thermoresponsive properties. Nature Communications, 10, 5478.
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4

Characterization of Carbon Dioxide and Oxygen

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Carbon dioxide (99.99%) and oxygen (99.99%)
were purchased from Airgas, Inc. All amines, deuterated solvents,
and sodium peroxide (95%) were obtained from Fisher Scientific. ILs
were from IoLiTec Ionic Liquids Technologies GmbH. All chemicals were
used as received without further purification. The nuclear magnetic
resonance (NMR) spectra were recorded using a Bruker Avance 300 spectrometer
and were calibrated using residual undeuterated solvent as an internal
reference (CDCl3, 77.16 ppm 13C NMR; C2D6OS, 35.92 ppm 13C, 2.50 ppm 1H
NMR). The FTIR absorption spectra were recorded on a Varian 3100 Excalibur
Series spectrometer in the region of 400–2000 cm–1 using two NaCl disks also from Fisher Scientific for non-in situ
measurements. The electrochemical tests were performed with a CHI660E
electrochemical analyzer with platinum wire as the reference and counter
electrodes and a gold plate as the working electrode.
Witherspoon E., Ling P., Winchester W., Zhao Q., Ibrahim A., Riley K.E, & Wang Z. (2022). Highly Selective Electrochemical Synthesis of Urea Derivatives Initiated from Oxygen Reduction in Ionic Liquids. ACS Omega, 7(47), 42828-42834.
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5

High-Pressure Reactor Synthesis Protocols

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All experiments were carried out in a 50 mL high-pressure (max 5000 psi) reactor model A3240HC6EB (Parr Instruments, Moline, IL) utilized with reactor controller 4848. The reactor controller was operated in the PID controlling mode and the rotor was at the highest rotation speed of 60 rpm. The system pressure and temperature were continuously digitally monitored with the associated software. All reactant gases including ultra-purity nitrogen, helium, oxygen, methane, ethane, carbon dioxide, and propane were purchased from Airgas, Inc, North Franklin, CT. Graphite, h-BN, acetonitrile, fluoroacetonitrile, trichloroacetonitrile, deuterated acetonitrile, and copper perchlorate hexahydrate were purchased from Sigma Aldrich. Liquid reactants were introduced with a 1000 μL micropipette (one-time use tips) and sampling was carried out with the help of single-use sterilized syringes and PTFE microfilters.
Kapuge T.K., Moharreri E., Perera I., Eddy N., Kriz D., Nisly N., Shuster S., Nandi P, & Suib S.L. (2022). Partial oxidation of methane to methanol on boron nitride at near critical acetonitrile. Scientific Reports, 12, 8577.
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6

Genetic Models of Cerebrovascular Lesions

Cited 1 time
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Animals were generated with the respective genotypes by crossing the Ccm heterozygous mice with mice null for Msh2 or Trp53.9 (link), 12 (link), 39 (link)Krit1 heterozygous mice do not manifest any lesions unless crossed into these backgrounds. Pdcd10 heterozygous mice manifest a very mild phenotype, markedly exaggerated when crossed into Msh2 or Trp53 backgrounds. Mice were sacrificed at around 4 months of age by inhalation of carbon dioxide (Airgas, Radnor Township, PA, USA) and decapitation. The mouse brains were then surgically extracted and dropped into a 10% neutral buffered formalin fixative solution (Azer Scientific, Morgantown, PA, USA). All animal protocols were approved by the Duke University IACUC, where all breeding of these models was conducted.
Zeineddine H.A., Girard R., Saadat L., Shen L., Lightle R., Moore T., Cao Y., Hobson N., Shenkar R., Avner K., Chaudager K., Koskimäki J., Polster S.P., Fam M.D., Shi C., Lopez-Ramirez M.A., Tang A.T., Gallione C., Kahn M.L., Ginsberg M., Marchuk D.A, & Awad I.A. (2018). Phenotypic Characterization of Murine Models of Cerebral Cavernous Malformations. Laboratory investigation; a journal of technical methods and pathology, 99(3), 319-330.
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7

Mouse Brain Fixation Protocol

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Mice were euthanized at approximately 4 months of age using carbon dioxide (Airgas, Radnor Township, Pennsylvania, USA) delivered in an acrylic chamber at a flow-rate of 2 liters per minute, in agreement with Division of Laboratory Animal Resources/IACUC guidelines. Subsequently, mouse brains were removed from the heads, immersed in the fixative (10% neutral buffered formalin, Azer Scientific, Morgantown, Pennsylvania, USA). Specimens were immersed rather than perfused to best preserve intravascular lesion morphology, which features intralesional accumulation of RBCs.
Girard R., Zeineddine H.A., Orsbon C., Tan H., Moore T., Hobson N., Shenkar R., Lightle R., Shi C., Fam M.D., Cao Y., Shen L., Neander A.I., Rorrer A., Gallione C., Tang A.T., Kahn M.L., Marchuk D.A., Luo Z.X, & Awad I.A. (2016). Micro-Computed Tomography in Murine Models of Cerebral Cavernous Malformations as a Paradigm for Brain Disease. Journal of neuroscience methods, 271, 14-24.
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8

Fuel Cell Materials Preparation

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KHCO3 (99.7%) and Nafion perfluorinated resin solution (5 wt.%) were purchased from Sigma-Aldrich; hydrogen (99.999%), nitrogen (99.999%), and carbon dioxide (99.999%) were purchased from Airgas; Nafion®212 membrane was purchased from Dupont; Toray Carbon Paper (TGP-H-60) was purchased from Alfa Aesar; All chemicals were purchased from Sigma-Aldrich unless specifically stated. Milli-Q ultrapure water (Millipore, ≥18 MΩ/cm) was used throughout the work.
Guo S., Zhao S., Wu X., Li H., Zhou Y., Zhu C., Yang N., Jiang X., Gao J., Bai L., Liu Y., Lifshitz Y., Lee S.T, & Kang Z. (2017). A Co3O4-CDots-C3N4 three component electrocatalyst design concept for efficient and tunable CO2 reduction to syngas. Nature Communications, 8, 1828.
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