Developments in Eastern Canada in 1978 (9999)
Bryant,R. G., Robertson,D. C., Roliff,W. A.
The production of natural gas in Eastern Canada increased 21.66% in 1978, whereas the production of oil dropped 1.4%. A total of approximately 308,654,600 cu m of natural gas and 97,314.7 cu m of oil...
Developments in Eastern Canada in 1979 (9999)
Robertson,D. C., Bryant,R. G., Roliff,W. A.
This abstract is too long
Robertson, D.C., Hayward, G., Gachagan, A., Murray, V.
Ultrasonic array technology is used in many imaging applications across a wide range of industrial sectors. Perovskite single-crystal materials such as pzn-pt and pmn-pt can be used to manufacture...
Robertson, D.C., Hayward, G., Gachagan, A., Murray, V.
Ultrasonic array technology is used in many imaging applications across a wide range of industrial sectors. Perovskite single-crystal materials such as pzn-pt and pmn-pt can be used to manufacture...
Robertson, D.C., Hayward, G., Gachagan, A., Murray, V.
Ultrasonic array technology is used in many imaging applications across a wide range of industrial sectors. Perovskite single-crystal materials such as pzn-pt and pmn-pt can be used to manufacture...
Robertson, D.C., Hayward, G., Gachagan, A.
This work describes an investigation into the first order parasitic mode (i.e., that closest to the fundamental thickness mode) that can occur in 2-2 and 1-3 thickness drive piezoelectric composite...
Robertson, D.C., Hayward, G., Gachagan, A.
This work describes an investigation into the first order parasitic mode (i.e., that closest to the fundamental thickness mode) that can occur in 2-2 and 1-3 thickness drive piezoelectric composite...
Robertson, D.C., Hayward, G., Gachagan, A.
This work describes an investigation into the first order parasitic mode (i.e., that closest to the fundamental thickness mode) that can occur in 2-2 and 1-3 thickness drive piezoelectric composite...
Data Analysis for Bark and Leaf Reflectance Measurements (2002)
Gruninger, J. H., Robertson, D. C., Pervaiz, M. M.
This study addresses the incorporation of the effects associated with natural environments and backgrounds in the simulation models which are essential to the development of smart weapons. The...
Upgraded Line-of-Sight Geometry Package and Band Model Parameters for MODTRAN (2002)
Acharya, P. K., Robertson, D. C., Berk, A.
The MODTRAN atmospheric transmittance and radiance code was upgraded with new band model parameters calculated using the HITRAN-92 line atlas. The (1/d) band model parameters for O sub 3 were...
HAIRM-87. A High Altitude Infrared Radiance Model. (1998)
Sundberg, R. L., Robertson, D. C., Sharma, R. D., Ratkowski, A. J.
HAIRM, the AFGL/Visidyne High Altitude Infrared Radiance Model, calculates atmospheric radiance over the spectral region from 250 to 6000/cm (1.67-40.0 micrometers) and over altitudes from 60 to 250...
Description of the Strategic High-Altitude Atmospheric Radiation Code (SHARC). (1998)
Duff, J. W., Sundberg, R. L., Gruninger, J. H., Bernstein, L. S., Robertson, D. C., Healey, R. J.
The report describes an upgraded version of the strategic high-altitude radiance code, SHARC-2. SHARC calculates atmospheric radiance and transmittance over the 2-40 micrometer spectral region for...
Surface Optical Property Measurements on Bark and Leaf Samples, (1998)
Neu, J. T., Dummer, R. S., Beecroft, M., McKenna, P., Robertson, D. C.
This paper presents reflectance data for leaf and bark samples taken from a big-leaf aspen tree located near Orono, Maine. Total hemispherical directional reflectance measurements were made for...
Surface Response to Cloud Shadowing. (1998)
Berk, A., Robertson, D. C., Acharya, P. K.
This study investigated the response of surface temperature to cloud shadows. A quantitative model applicable to IR backgrounds was developed. Time-dependent heat flow and energy budget equations...
Investigations into Atmospheric Radiative Processes in the 50 - 300 km Regime. (1998)
Robertson, D. C., Acharya, P. K., Adler-Golden, S. M., Bernstein, L. S., Bien, F.
This study describes research into high-altitude infrared (IR) radiance models to describe sources of high-altitude NLTE radiation in the IR spectral region. Many of the models have been combined...
Operations Analysis: The Battle for Leyte Gulf. (1998)
The naval operation at the Battle for Leyte Gulf is analyzed by comparing today's concept of the operational art with the command organizations, operation plans, and operational designs of the U.S....
Data Analysis for Bark and Leaf Reflectance Measurements, (1998)
Gruninger, J. H., Robertson, D. C., Pervaiz, M. M.
This report addresses the incorporation of the effects associated with natural environments and backgrounds in the simulation models which are essential to the development of smart weapons. The...
Development of Atmospheric Infrared Emission Models (1998)
Duff, J. W., Gruninger, J. H., Sundberg, R. L., Acharya, P. K., Adler-Golden, S. M., Berk, A., ...
This report describes the development of atmospheric infrared (IR) radiance models to describe atmospheric NLTE radiation and structure in the IR spectral region for arbitrary diurnal conditions,...
Recent Upgrades to MODTRAN - New Solar Irradiance and Instrument Scanning Functions (1998)
Acharya, P. K., Berk, A., Bernstein, L. S., Robertson, D. C., Chetwynd, J. H.
Recent upgrades are intended to make MODTRAN a more accurate, convenient and versatile atmospheric modeling tool. The current default solar irradiance database due to Kurucz was corrected in the...
User's Manual for SHARC-3, Strategic High-Altitude Radiance Code. (1997)
Sharma, R. D., Gruninger, J. H., Sundberg, R. L., Bernstein, L. S., Robertson, D. C.
The Strategic High-Altitude Radiance Code, SHARC-3, calculates atmospheric radiance and transmission over a 1 - 40 microns spectral region for arbitrary lines of sight (LOS) between 50 and 300 km...
Nutritional requirements for synthesis of heat-stable enterotoxin by Yersinia enterocolitica.
Amirmozafari, N, Robertson, D C
A defined medium that supported the growth of and synthesis of heat-stable enterotoxin (YST) by clinical isolates of Yersinia enterocolitica at levels equivalent to those observed in a complex...
Characterization of the electron transport system in Brucella abortus.
The electron transport system in Brucella abortus has been characterized. Spectral studies of membrane preparations have indicated the presence of cytochromes a + a3 (maxima at 612 nm), cytochrome b...
Inhibition of growth by erythritol catabolism in Brucella abortus.
The growth of Brucella abortus (US-19) in a complex tryptose-yeast extract medium containing D-glucose is inhibited by 10 mM erythritol. The enzymes of the erythritol pathway, except for...
Erythritol catabolism by Brucella abortus.
Cell extracts of Brucella abortus (British 19) catabolized erythritol through a series of phosphorylated intermediates to dihydroxyacetonephosphate and CO-2. Cell extracts required adenosine...
Bovine polymorphonuclear leukocytes (PMNs) were found to be significantly more bactericidal than human PMNs against a smooth-intermediate strain of Brucella abortus (45/0), whereas there was no...
The microbicidal activities of freeze-thaw and high-salt extracts of human and bovine polymorphonuclear leukocyte (PMN) granules were tested against a smooth intermediate strain (45/0) and a rough...
Binding of Escherichia coli strain 431 heat-stable enterotoxin (STa) and activation of intestinal particulate guanylate cyclase by E. coli STa were studied with rat intestinal epithelial cells and...
Characterization of the mechanism of action of Escherichia coli heat-stable enterotoxin.
Dreyfus, L A, Jaso-Friedmann, L, Robertson, D C
The mechanism of activation of intestinal guanylate cyclase by Escherichia coli heat-stable enterotoxin (STa) has been studied by using isolated rat intestinal epithelial cells and purified brush...
Frantz, J C, Jaso-Friedman, L, Robertson, D C
The association of heat-stable enterotoxin (STa) produced by enterotoxigenic Escherichia coli 431 with isolated rat intestinal epithelial cells and brush border membranes was characterized. Specific...
Dreyfus, L A, Frantz, J C, Robertson, D C
Five heat-stable enterotoxins (STs) produced by enterotoxigenic Escherichia coli strains of porcine, bovine, and human host origins have been purified to apparent homogeneity. The STs with biological...
Immunological relationships between cholera toxin and Escherichia coli heat-labile enterotoxin.
Gilligan, P H, Brown, J C, Robertson, D C
The antigenic relationships between heat-labile enterotoxin (LT) produced by a human strain of enterotoxigenic Escherichia coli (strain 286C2) and cholera toxin (CT) were examined by using antisera...
Hoge, C W, Sethabutr, O, Bodhidatta, L, Echeverria, P, Robertson, D C, Morris, J G
A synthetic oligonucleotide probe was developed to identify the gene for the heat-stable enterotoxin (NAG-ST) of non-serovar O1 Vibrio cholerae. Of 103 non-O1 V. cholerae isolates from Thailand, 31...
Savarino, S J, Fasano, A, Robertson, D C, Levine, M M
Enteroaggregative Escherichia coli (EAggEC) have been associated with persistent diarrhea in young children, but little is known about its pathogenesis. We assayed for enterotoxic activity in culture...
Glucose Catabolism of Erysipelothrix rhusiopathiae
Robertson, D. C., McCullough, W. G.
The pathways of glucose catabolism in Erysipelothrix rhusiopathiae have been identified by the radiorespirometric technique. The radiorespirometric data showed that 96% of the glucose catabolism was...
Rao, M C, Orellana, S A, Field, M, Robertson, D C, Giannella, R A
The biological activities of three purified preparations of heat-stable enterotoxin (ST), elaborated by different strains of Escherichia coli and known to differ in their amino acid composition and...
Antiserum was raised against the purified heat-stable enterotoxin (ST) produced by enterotoxigenic Escherichia coli strain 431, a class II porcine enteropathogen. The antiserum was used to examine...
Subunit number and arrangement in Escherichia coli heat-labile enterotoxin.
Gill, D M, Clements, J D, Robertson, D C, Finkelstein, R A
The Escherichia coli heat-labile enterotoxin (LT) was found to have the same subunit structure as cholera toxin, namely, one A subunit and five B subunits. Reaction with a bisimidate generated all...
Interaction of polymorphonuclear leukocytes with smooth and rough strains of Brucella abortus.
Kreutzer, D L, Dreyfus, L A, Robertson, D C
The bactericidal activity of guinea pig and human polymorphonuclear leukocytes (PMNs) against a smooth-intermediate strain (45/0) and a rough strain (45/20) of Brucella abortus has been examined....
Kreutzer, D L, Buller, C S, Robertson, D C
The chemical composition and some of the biological activities of lipopolysaccharides (LPS) extracted from a smooth-intermediate strain (45/0) and a rough strain (45/20) of Brucella abortus have been...
The surface topography of whole cells and the chemical composition of cell envelopes of a smooth-intermediate strain (45/0) and a rough strain (45/20) of Brucella abortus was examined. Electron...
Responsiveness of rabbit spleen and appendix cells to bacterial mitogens.
Scheffel, J W, Kreutzer, D L, Robertson, D C, Draper, L R
Rabbit spleen and appendix cells were used to test the mitogenic activity of a commercial lipopolysaccharide (LPS) preparation from Salmonella typhimurium (Difco), a preparation extracted from it,...
Repression of heat-stable enterotoxin synthesis in enterotoxigenic Escherichia coli.
Five different carbon sources were examined for their ability to control synthesis of heat-stable enterotoxin (ST) by enterotoxigenic (ENT+) Escherichia coli grown in either a defined medium...
Role of bacterial phospholipases in serum-mediated killing of Escherichia coli.
Kreutzer, D L, Vandermaten, M, Buller, C S, Robertson, D C, Hirata, A A
The importance of bacterial phospholipases during serum-mediated killing of Escherichia coli was examined by using wild-type DR+ DS+ and an isogenic phospholipase-deficient mutant DR- DS-. No...
A defined medium has been developed which supports synthesis of heat-stable enterotoxin (ST) by porcine and bovine strains of enterotoxigenic (ENT+) Escherichia coli in levels equivalent or better...
Mitogenic activity of cell wall components from smooth and rough strains of Brucella abortus.
Kreutzer, D L, Scheffel, J W, Draper, L R, Robertson, D C
On the basis of [3H]thymidine incorporation by normal mouse spleen cell cultures, cell wall preparations from a smooth (45/0) strain and a rough (45/20) strain of Brucella abortus were strongly...
Inhibition of Escherichia coli heat-stable enterotoxin by indomethacin and chlorpromazine.
Greenberg, R N, Murad, F, Chang, B, Robertson, D C, Guerrant, R L
Purified heat-stable enterotoxin (ST) from a procine strain of enterotoxigenic Escherichia coli activates quanylate cyclase in particulate fractions of rat intestinal tissue and induces fluid...
Argenzio, R A, Liacos, J, Berschneider, H M, Whipp, S C, Robertson, D C
The effect of a heat-stable enterotoxin of Escherichia coli was compared with that of theophylline on ion transport in the pig jejunum, using both in vivo and in vitro techniques. The maximal...
Dental caries prevalence and treatment levels in Arizona preschool children.
Tang, J M, Altman, D S, Robertson, D C, O'Sullivan, D M, Douglass, J M, Tinanoff, N
OBJECTIVES: To assess the prevalence of dental caries in a large group of preschool children, to determine the extent to which the children received dental treatment, to examine the association...
Nutritional requirements for synthesis of heat-stable enterotoxin by Yersinia enterocolitica.
Amirmozafari, N, Robertson, D C
A defined medium that supported the growth of and synthesis of heat-stable enterotoxin (YST) by clinical isolates of Yersinia enterocolitica at levels equivalent to those observed in a complex...
Characterization of the electron transport system in Brucella abortus.
The electron transport system in Brucella abortus has been characterized. Spectral studies of membrane preparations have indicated the presence of cytochromes a + a3 (maxima at 612 nm), cytochrome b...
Inhibition of growth by erythritol catabolism in Brucella abortus.
The growth of Brucella abortus (US-19) in a complex tryptose-yeast extract medium containing D-glucose is inhibited by 10 mM erythritol. The enzymes of the erythritol pathway, except for...
Erythritol catabolism by Brucella abortus.
Cell extracts of Brucella abortus (British 19) catabolized erythritol through a series of phosphorylated intermediates to dihydroxyacetonephosphate and CO-2. Cell extracts required adenosine...
Bovine polymorphonuclear leukocytes (PMNs) were found to be significantly more bactericidal than human PMNs against a smooth-intermediate strain of Brucella abortus (45/0), whereas there was no...
The microbicidal activities of freeze-thaw and high-salt extracts of human and bovine polymorphonuclear leukocyte (PMN) granules were tested against a smooth intermediate strain (45/0) and a rough...
Binding of Escherichia coli strain 431 heat-stable enterotoxin (STa) and activation of intestinal particulate guanylate cyclase by E. coli STa were studied with rat intestinal epithelial cells and...
Characterization of the mechanism of action of Escherichia coli heat-stable enterotoxin.
Dreyfus, L A, Jaso-Friedmann, L, Robertson, D C
The mechanism of activation of intestinal guanylate cyclase by Escherichia coli heat-stable enterotoxin (STa) has been studied by using isolated rat intestinal epithelial cells and purified brush...
Frantz, J C, Jaso-Friedman, L, Robertson, D C
The association of heat-stable enterotoxin (STa) produced by enterotoxigenic Escherichia coli 431 with isolated rat intestinal epithelial cells and brush border membranes was characterized. Specific...
Dreyfus, L A, Frantz, J C, Robertson, D C
Five heat-stable enterotoxins (STs) produced by enterotoxigenic Escherichia coli strains of porcine, bovine, and human host origins have been purified to apparent homogeneity. The STs with biological...
Immunological relationships between cholera toxin and Escherichia coli heat-labile enterotoxin.
Gilligan, P H, Brown, J C, Robertson, D C
The antigenic relationships between heat-labile enterotoxin (LT) produced by a human strain of enterotoxigenic Escherichia coli (strain 286C2) and cholera toxin (CT) were examined by using antisera...
Hoge, C W, Sethabutr, O, Bodhidatta, L, Echeverria, P, Robertson, D C, Morris, J G
A synthetic oligonucleotide probe was developed to identify the gene for the heat-stable enterotoxin (NAG-ST) of non-serovar O1 Vibrio cholerae. Of 103 non-O1 V. cholerae isolates from Thailand, 31...
Savarino, S J, Fasano, A, Robertson, D C, Levine, M M
Enteroaggregative Escherichia coli (EAggEC) have been associated with persistent diarrhea in young children, but little is known about its pathogenesis. We assayed for enterotoxic activity in culture...
Glucose Catabolism of Erysipelothrix rhusiopathiae
Robertson, D. C., McCullough, W. G.
The pathways of glucose catabolism in Erysipelothrix rhusiopathiae have been identified by the radiorespirometric technique. The radiorespirometric data showed that 96% of the glucose catabolism was...
Rao, M C, Orellana, S A, Field, M, Robertson, D C, Giannella, R A
The biological activities of three purified preparations of heat-stable enterotoxin (ST), elaborated by different strains of Escherichia coli and known to differ in their amino acid composition and...
Antiserum was raised against the purified heat-stable enterotoxin (ST) produced by enterotoxigenic Escherichia coli strain 431, a class II porcine enteropathogen. The antiserum was used to examine...
Subunit number and arrangement in Escherichia coli heat-labile enterotoxin.
Gill, D M, Clements, J D, Robertson, D C, Finkelstein, R A
The Escherichia coli heat-labile enterotoxin (LT) was found to have the same subunit structure as cholera toxin, namely, one A subunit and five B subunits. Reaction with a bisimidate generated all...
Interaction of polymorphonuclear leukocytes with smooth and rough strains of Brucella abortus.
Kreutzer, D L, Dreyfus, L A, Robertson, D C
The bactericidal activity of guinea pig and human polymorphonuclear leukocytes (PMNs) against a smooth-intermediate strain (45/0) and a rough strain (45/20) of Brucella abortus has been examined....
Kreutzer, D L, Buller, C S, Robertson, D C
The chemical composition and some of the biological activities of lipopolysaccharides (LPS) extracted from a smooth-intermediate strain (45/0) and a rough strain (45/20) of Brucella abortus have been...
The surface topography of whole cells and the chemical composition of cell envelopes of a smooth-intermediate strain (45/0) and a rough strain (45/20) of Brucella abortus was examined. Electron...
Responsiveness of rabbit spleen and appendix cells to bacterial mitogens.
Scheffel, J W, Kreutzer, D L, Robertson, D C, Draper, L R
Rabbit spleen and appendix cells were used to test the mitogenic activity of a commercial lipopolysaccharide (LPS) preparation from Salmonella typhimurium (Difco), a preparation extracted from it,...
Repression of heat-stable enterotoxin synthesis in enterotoxigenic Escherichia coli.
Five different carbon sources were examined for their ability to control synthesis of heat-stable enterotoxin (ST) by enterotoxigenic (ENT+) Escherichia coli grown in either a defined medium...
Role of bacterial phospholipases in serum-mediated killing of Escherichia coli.
Kreutzer, D L, Vandermaten, M, Buller, C S, Robertson, D C, Hirata, A A
The importance of bacterial phospholipases during serum-mediated killing of Escherichia coli was examined by using wild-type DR+ DS+ and an isogenic phospholipase-deficient mutant DR- DS-. No...
A defined medium has been developed which supports synthesis of heat-stable enterotoxin (ST) by porcine and bovine strains of enterotoxigenic (ENT+) Escherichia coli in levels equivalent or better...
Mitogenic activity of cell wall components from smooth and rough strains of Brucella abortus.
Kreutzer, D L, Scheffel, J W, Draper, L R, Robertson, D C
On the basis of [3H]thymidine incorporation by normal mouse spleen cell cultures, cell wall preparations from a smooth (45/0) strain and a rough (45/20) strain of Brucella abortus were strongly...
Inhibition of Escherichia coli heat-stable enterotoxin by indomethacin and chlorpromazine.
Greenberg, R N, Murad, F, Chang, B, Robertson, D C, Guerrant, R L
Purified heat-stable enterotoxin (ST) from a procine strain of enterotoxigenic Escherichia coli activates quanylate cyclase in particulate fractions of rat intestinal tissue and induces fluid...
Argenzio, R A, Liacos, J, Berschneider, H M, Whipp, S C, Robertson, D C
The effect of a heat-stable enterotoxin of Escherichia coli was compared with that of theophylline on ion transport in the pig jejunum, using both in vivo and in vitro techniques. The maximal...
Dental caries prevalence and treatment levels in Arizona preschool children.
Tang, J M, Altman, D S, Robertson, D C, O'Sullivan, D M, Douglass, J M, Tinanoff, N
OBJECTIVES: To assess the prevalence of dental caries in a large group of preschool children, to determine the extent to which the children received dental treatment, to examine the association...