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94 results on '"Cowie, Dean"'

7. Learning fiberoptic intubation on a simple model transfers to the O.R.

Author

Naik, Viren, Matsumoto, Edward, Houston, Patricia, Hamstra, Stanley, Yeung, Raymond, Mallon, Joseph, Martire, Terry, Zwack, Rhonda M., Campbell, David C., Breen, Terrance W., Yip, Ray W., Roy, Jean-Denis, Girard, Michel, Drolet, Pierre, Guay, Joanne, Bolis, Rafik S., LeDez, Kenneth, Balatbat, J. T., Mukherji, J., Ali, M. J., Carroll, J., Karski, J. M., Sui, S., Cheng, D. C. H., Banner, Robert, Yip, Raymond, Zondervan, James, Chow, Vance, McMillan, Dean, Fisher, Judy, Lattermann, Ralph, Carli, Franco, Wykes, Linda, Schricker, Thomas, Mazza, Louise, Carli, Franco, Danjoux, Gerard, Thomas, David, Lennox, Pamela H., Henderson, Cynthia, Martin, Lynn, Mitchell, G W E, Vaghadia, Himat, Jassal, Rajive, Thomson, Ian R., Hudson, Robert J., McGuire, Glenn, Manninen, Pirjo, El-Beheiry, Hossam, Lozano, Andres, Wennberg, Richard, Archer, David P., Tang, Tim K. K., Staveley, Ian R., Goldstein, David H., VanDenKerkhof, Elizabeth G., Hall, Richard I., Rocker, Graeme M., O’Connor, J. P., Dunham, Jacquelyn I., Mikelberg, Frederick S., Dulovic, Gordana, Jenkins, Kathryn L., Correa, Robin, Wong, David T., McGuire, Glenn P., Fayad, A. A., Paul, J., Yang, H., Sawchuk, C., Brown, Karen A., Bates, Jason H. T., Edington, Robert, Pridham, Jeremy, Mukherji, Jayanta, Karski, Jacek M., Balatbat, Joselito, Carroll, Jo, Chun, Rosa, Cheng, Davy CH, Karski, J., DeBrouwere, R., Mathieu, M., Carroll, J., Feindel, C., Cheng, D., Clairoux, Michel, Coutu, Stéphane, McCluskey, Stuart A., Karkouti, Keyvan, Ghannam, Mohammed, Jewett, Michael, Rampersaud, Raja, Yau, Terry, Quirt, Ian, Carver, Edmund D., Kim, P., Crawford, Mark W., Finley, G. Allen, Breau, Lynn M., McGrath, Patrick J., Camfield, Carol, Mak, Peter H. K., Hui, Theresa W. C., Irwin, Michael G., Carli, Franco, Trudel, Judith, Belliveau, Paul, Mayo, Nancy, Clunie, Michelle L., Crone, Lesley-Ann L., Klassen, Linda J., Yip, Raymond W., Hubert, Bernard, Radomski, Marek, Blaise, Gilbert, Renzi, Paolo M., Paradis, Marie-Claude, Martin, René, Parent, Michel, Parent, Pierre, Gagnon, Daniel, Tétrault, Jean-Pierre, Prabhu, Atul J., Philip, Beverly K., Higgins, Patrick P., Blanshard, Hannah J., van Rensselaer, Stéphanie, Chung, Frances F., Caraiscos, Valerie B., MacDonald, John F., Orser, Beverley A., Schreiber, Markus, Georgieff, Michael, Jin, Fengling, Chung, Frances, Tong, Doris, Reiz, Joseph L., Harsanyi, Zoltan, Miceli, Paula C., Darke, Andrew C., Roy, Jean-Sébastien, St-Pierre, Jacques, Norman, Peter H., Daley, M. Denise, Turner, Kim E., Parlow, Joel L., Tod, Deborah A., Avery, Nicole D., Nicole, Pierre C., Trépanier, Claude A., Lessard, Martin R., Marcoux, Sylvie, Cowie, Dean A., Gelb, Adrian W., Shoemaker, J. Kevin, Baskett, Roger, Lim, Ben C., Dangor, Ayoub, Morgan, Pamela J., Cleave-Hogg, Doreen, Doyle, D. John, Byrick, Robert, Filipovi, Dusanka, Cashin, Fred, Chiu, Michelle, Kemp, Toby J., Bryson, Gregory L., Cleland, Mark J., Crosby, Edward T., Harioka, Tokuya, Nomura, Koichiro, Ando, Norioki, Ikegami, Naoyuki, Aoki, Toshiki, Maltby, J. Roger, Beriault, Michael T., Watson, Neil C., Liepert, David J., Fick, Gordon H., Maltby, J. Roger, Liepert, David, Prabhu, Atul J., Correa, Robin K., Wong, David T., Chung, Frances, Goyagi, Tom, Bhardwaj, Anish, Hum, Patricia D., Traystman, Richard D., Kirsch, Jeffrey R., Bainbridge, Daniel T., Swaminathan, Madhav, McCreath, Brian J., Djaiani, George, Grocott, Hilary P., Day, Fergal, Karski, Jacek, Djaiani, George, Tan, Jens, Cheng, Davy, Wake, Pamela J., Ali, Mohamed, Karski, Jacek, Sui, Sam, Guenther, Craig, Mullen, John, Bentley, Michael, Koshal, Arvind, Finegan, Barry, Murtha, William, Fredrickson, Michael J., Luginbuehl, Igor A., Bissonnette, Bruno, Granton, Jeff T., Platt, Hugh, and Craen, R. A.

Published
2001
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9. Randomised controlled trial to investigate the relationship between mild hypercapnia and cerebral oxygen saturation in patients undergoing major surgery

Author

Wong, Clarence, primary, Churilov, Leonid, additional, Cowie, Dean, additional, Tan, Chong Oon, additional, Hu, Raymond, additional, Tremewen, David, additional, Pearce, Brett, additional, Pillai, Param, additional, Karalapillai, Dharshi, additional, Bellomo, Rinaldo, additional, and Weinberg, Laurence, additional

Published
2020
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12. Moondust

Author

Lederberg, Joshua and Cowie, Dean B.

Published
1958

17. The Threonine-Sensitive Homoserine Dehydrogenase and Aspartokinase Activities of <em>Escherichia coli</em> K12.

Author

Costrejean, Jean-Marc, Guiso, Nicole, Cowie, Dean B., Cohen, Georges N., and Truffa-Bachi, Paolo

Subjects
ESCHERICHIA coli, IMMUNOGLOBULINS, DEHYDROGENASES, ANTIGENS, PROTEOLYSIS, PROTEOLYTIC enzymes
Abstract

In the presence of L-threonine, the allosteric effector, most of the antigenic determinants situated in the aspartokinase region of the wild-type enzyme become unavailable to the antibodies raised against a fragment of the enzyme containing this region and devoid of homoserine dehydrogenase activity. The cross-reactivities of the antibodies raised against this fragment (extracted from a nonsense mutant) and a fragment endowed with homoserine dehydrogenase activity but devoid of aspartokinase activity (obtained by limited proteolysis) with the corresponding antigens were studied. The conclusion is drawn that the two fragments, which share an overlapping sequence of molecular weight about 17 000, share at least two antigenic determinants. [ABSTRACT FROM AUTHOR]

Published
1975
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20. Genetic interrelationships among the T-even bacteriophages

Author

Cowie, Dean B.

Abstract

Genetic interrelationships among the T-even bacteriophages have been studied by DNA-DNA hybridization techniques. The isolation, identification and characterization of completely distinct nucleotide sequences from heteroduplexes provided DNA fractions which, upon further testing, gave results useful for a comparative evaluation of the viral contents of the T-even bacteriophages.

Published
1974
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22. Deoxyribonucleic Acid Hybridization Analysis of the Defective Bacteriophage Carried by Strain 15 of Escherichia coli

Author

Grady, Leo J., Cowie, Dean B., and Campbell, Wayne P.

Abstract

Evidence from several laboratories indicates that strain 15 of Escherichia coliis lysogenic for a defective phage. When lysates from induced cultures were centrifuged in CsCl, three bands were obtained. In order of decreasing density, these bands contained tailless particles, complete phages, and a second band of complete phages, in a ratio of 65.7:28.6:5.7. Reassociation rate measurements were used to establish that the molecular weights of the deoxyribonucleic acid (DNA) species from the phages in the first two bands are similar. A smaller genome is postulated in the complete phages from the minor band. Hybridization experiments revealed extensive homology between the DNA species from all three phage bands, thus suggesting that the complete and tailless particles are not different at the genetic level. The DNA from each phage band was also shown to hybridize almost completely with DNA from either E. coli15T-or a reportedly cured derivative of 15T-. In contrast, only about 25% of each phage DNA was able to react with DNA from E. colistrains B and K-12 C-600.

Published
1971
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26. RADIATION PROTECTION IN FORTY-FIVE HOSPITALS

Author

SCHEELE, LEONARD A. and COWIE, DEAN B.

Abstract

The increasing use of radiation in medicine, industry and research demands increased knowledge of radiation effects and protection methods. The authors visited forty-five hospitals of all types, ranging in size from forty-four to over three thousand beds (thirty-two have more than two hundred beds) and studied storage and handling of radium, calibration and shielding of roentgen therapy equipment and technics of use and shielding of roentgenographic and fluoroscopic units.Ionization chambers ranging in sensitivity from 0.25 roentgen to 100 roentgens full scale were used in making measurements. Estimates of average exposures were calculated from ionization measurements made during typical operations such as preparation of radium applicators and roentgenoscopic and roentgenographic procedures, multiplied by the average daily time spent performing such activities. Adequacy of equipment and practices were judged in most instances on the basis of recommendations for protection which have been published by various writers1 and those in the

Published
1941
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28. Amino acid analog incorporation into bacterial proteins

Author

Cowie, Dean B., Cohen, Georges N., Bolton, Ellis T., and De Robichon-Szulmajster, Huguette

Abstract

The amino acid analogs norleucine and para-fluorophenylalanine are shown to be incorporated into the proteins of E. coli. Analysis of proteins by an ion-exchange column showed that the proteins formed in the presence of the analogs are not radically different molecular species but are physicochemically similar to the proteins normally synthesized. The substitution of norleucine for methionine in the bacterial proteins was shown to occur in the same proportions in all of the “protein classes” resolved by the ion-exchange column.

Published
1959
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29. Thermal Stability of Escherichia coli–Salmonella typhimuriumDeoxyribonucleic Acid Duplexes

Author

Brenner, Don J. and Cowie, Dean B.

Abstract

Single-stranded, labeled deoxyribonucleic acid (DNA) fragments from Escherichia coliwere incubated at 60 and 66 C with a large excess of single-stranded, unlabeled DNA fragments from E. coliand Salmonella typhimurium. The resulting reassociated DNA was adsorbed to hydroxylapatite and eluted in a series of washes at increasing temperatures. The thermal stability of the reassociated DNA was determined by means of this procedure. Neither the extent of reassociation nor stability of the reassociated E. coliDNA was affected by increasing the incubation temperature from 60 to 66 C. The double-stranded molecules resulting from the reassociation of E. coliDNA with S. typhimuriumDNA had a markedly lower thermal stability than reassociated E. coliDNA. More reassociation occurred between E. coliand S. typhimuriumat 60 C than at 66 C. In addition, the product of interspecies reassociation occurring at 66 C had a higher thermal stability than that occurring at 60 C. Preliminary results indicate that the decreased thermal stability of the interspecies duplex is in part the result of unpaired bases.

Published
1968
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