R. N. Lewis

Publication List Details

Period

1963 - 1968

Number

43

Co-Authors

SOME ASPECTS OF GENERAL ANAESTHESIA FOR CEREBRAL ANGIOGRAPHY (1968)

LEWIS, R. N., MOORE, B. A.

Bilateral carotid angiography was carried out in thirty-six unselected patients. Anaesthesia was induced with thiopentone and maintained with nitrous oxide, oxygen and halothane. Overall values for...

HAZARDS OF ENDOTRACHEAL ANAESTHESIA (1964)

LEWIS, R. N., SWERDLOW, MARK

The hazards of endotracheal anaesthesia have been reviewed. These have been considered in relation to direct laryngoscopy, intubation and extubation. Prevention of such complications has also been...

PLASMA HYDROCORTISONE CONCENTRATIONS IN RELATION TO ANAESTHESIA AND SURGERY (1963)

LEWIS, R. N.

Pre-anaesthetic, pre-surgical and post-surgical concentrations of unconjugated plasma hydrocortisone were determined in eighteen patients by quantitative paper chromatography. The mean...

Characterization of sodium transport in Acholeplasma laidlawii B cells and in lipid vesicles containing purified A. laidlawii (Na+-Mg2+)-ATPase by using nuclear magnetic resonance spectroscopy and 22Na tracer techniques.

Mahajan, S, Lewis, R N, George, R, Sykes, B D, McElhaney, R N

The active transport of sodium ions in live Acholeplasma laidlawii B cells and in lipid vesicles containing the (Na+-Mg2+)-ATPase from the plasma membrane of this microorganism was studied by 23Na...

The interfacial structure of phospholipid bilayers: differential scanning calorimetry and Fourier transform infrared spectroscopic studies of 1,2-dipalmitoyl-sn-glycero-3-phosphorylcholine and its dialkyl and acyl-alkyl analogs.

Lewis, R N, Pohle, W, McElhaney, R N

The thermotropic phase behavior of aqueous dispersions of dipalmitoylphosphatidylcholine (DPPC) and its 1,2-dialkyl, 1-acyl 2-alkyl and 1-alkyl 2-acyl analogs was examined by differential scanning...

Components of the carbonyl stretching band in the infrared spectra of hydrated 1,2-diacylglycerolipid bilayers: a reevaluation.

Lewis, R N, McElhaney, R N, Pohle, W, Mantsch, H H

Previous vibrational spectroscopic studies of solid acyl-alkyl and diacyl phosphatidylcholines suggested that the sn1- and sn2-carbonyl stretching modes of 1,2-diacylglycerolipids have different...

Studies of mixed-chain diacyl phosphatidylcholines with highly asymmetric acyl chains: a Fourier transform infrared spectroscopic study of interfacial hydration and hydrocarbon chain packing in the mixed interdigitated gel phase.

Lewis, R N, McElhaney, R N

The mixed interdigitated gel phases of unlabeled, specifically 13C = O-labeled, and specifically chain-perdeuterated samples of 1-O-eicosanoyl, 2-O-lauroyl phosphatidylcholine and 1-O-decanoyl,...

The infrared dichroism of transmembrane helical polypeptides.

Axelsen, P H, Kaufman, B K, McElhaney, R N, Lewis, R N

Polarized attenuated total internal reflectance techniques were applied to study the infrared dichroism of the amide I transition moment in two membrane-bound peptides that are known to form oriented...

Structures of the subgel phases of n-saturated diacyl phosphatidylcholine bilayers: FTIR spectroscopic studies of 13C = O and 2H labeled lipids.

Lewis, R N, McElhaney, R N

The subgel phases of unlabeled, specifically chain perdeuterated and specifically 13C = O labeled representative samples of the n-saturated diacylphosphatidylcholines were studied by...

Effect of the chirality of the glycerol backbone on the bilayer and nonbilayer phase transitions in the diastereomers of di-dodecyl-beta-D-glucopyranosyl glycerol.

Mannock, D A, Lewis, R N, McElhaney, R N, Akiyama, M, Yamada, H, Turner, D C, ...

We have studied the physical properties of aqueous dispersions of 1,2-sn- and 2,3-sn-didodecyl-beta-D-glucopyranosyl glycerols, as well as their diastereomeric mixture, using differential scanning...

Calorimetric and spectroscopic studies of the polymorphic phase behavior of a homologous series of n-saturated 1,2-diacyl phosphatidylethanolamines.

Lewis, R N, McElhaney, R N

The polymorphic phase behavior of a homologous series of n-saturated 1,2-diacyl phosphatidylethanolamines was investigated by differential scanning calorimetry, 31P-nuclear magnetic resonance, and...

Enigmatic thermotropic phase behavior of highly asymmetric mixed-chain phosphatidylcholines that form mixed-interdigitated gel phases.

Lewis, R N, McElhaney, R N, Osterberg, F, Gruner, S M

Twelve saturated mixed-chain phosphatidylcholines have been identified for which the thermotropic phase behavior observed upon cooling from the L alpha phase is dependent upon the thermal history of...

Comparative differential scanning calorimetric and FTIR and 31P-NMR spectroscopic studies of the effects of cholesterol and androstenol on the thermotropic phase behavior and organization of phosphatidylcholine bilayers.

McMullen, T P, Lewis, R N, McElhaney, R N

We have investigated the comparative effects of the incorporation of increasing quantities of androstenol and cholesterol on the thermotropic phase behavior of aqueous dispersions of members of a...

Studies of the thermotropic phase behavior of phosphatidylcholines containing 2-alkyl substituted fatty acyl chains: a new class of phosphatidylcholines forming inverted nonlamellar phases.

Lewis, R N, McElhaney, R N, Harper, P E, Turner, D C, Gruner, S M

We have synthesized a number of 1,2-diacyl phosphatidylcholines with hydrophobic substituents adjacent to the carbonyl group of the fatty acyl chain and studied their thermotropic phase behavior by...

Thermotropic phase behavior of phosphatidylcholines with omega-tertiary-butyl fatty acyl chains.

Lewis, R N, Mantsch, H H, McElhaney, R N

The thermotropic phase behavior of a homologous series of phosphatidylcholines containing acyl chains with omega-tertiary butyl groups was studied by differential scanning calorimetry, Fourier...

Interaction of a peptide model of a hydrophobic transmembrane alpha-helical segment of a membrane protein with phosphatidylethanolamine bilayers: differential scanning calorimetric and Fourier transform infrared spectroscopic studies.

Zhang, Y P, Lewis, R N, Hodges, R S, McElhaney, R N

High-sensitivity differential scanning calorimetry (DSC) and Fourier transform infrared (FTIR) spectroscopy were used to study the interaction of a synthetic alpha-helical hydrophobic transmembrane...

Surface charge markedly attenuates the nonlamellar phase-forming propensities of lipid bilayer membranes: calorimetric and (31)P-nuclear magnetic resonance studies of mixtures of cationic, anionic, and zwitterionic lipids.

Lewis, R N, McElhaney, R N

The lamellar/nonlamellar phase preferences of lipid model membranes composed of mixtures of several cationic lipids with various zwitterionic and anionic phospholipids were examined by a combination...

Calorimetric and spectroscopic studies of the thermotropic phase behavior of lipid bilayer model membranes composed of a homologous series of linear saturated phosphatidylserines.

Lewis, R N, McElhaney, R N

The thermotropic phase behavior of lipid bilayer model membranes composed of the even-numbered, N-saturated 1,2-diacyl phosphatidylserines was studied by differential scanning calorimetry and by...

Differential scanning calorimetric and Fourier transform infrared spectroscopic studies of the effects of cholesterol on the thermotropic phase behavior and organization of a homologous series of linear saturated phosphatidylserine bilayer membranes.

McMullen, T P, Lewis, R N, McElhaney, R N

We have examined the effects of cholesterol on the thermotropic phase behavior and organization of aqueous dispersions of a homologous series of linear disaturated phosphatidylserines by...

Studies of the structure and organization of cationic lipid bilayer membranes: calorimetric, spectroscopic, and x-ray diffraction studies of linear saturated P-O-ethyl phosphatidylcholines.

Lewis, R N, Winter, I, Kriechbaum, M, Lohner, K, McElhaney, R N

Differential scanning calorimetry, x-ray diffraction, and infrared and (31)P-nuclear magnetic resonance ((31)P-NMR) spectroscopy were used to examine the thermotropic phase behavior and organization...

X-ray diffraction structures of some phosphatidylethanolamine lamellar and inverted hexagonal phases.

Harper, P E, Mannock, D A, Lewis, R N, McElhaney, R N, Gruner, S M

X-ray diffraction is used to solve the low-resolution structures of fully hydrated aqueous dispersions of seven different diacyl phosphatidylethanolamines (PEs) whose hydrocarbon chains have the same...

X-ray structure study of thermotropic phases in isoacylphosphatidylcholine multibilayers.

Church, S E, Griffiths, D J, Lewis, R N, McElhaney, R N, Wickman, H H

Structures of lamellar phases in aqueous dispersions of diisoacylphosphatidylcholines (17iPC and 20iPC) were determined by x-ray diffraction methods. In agreement with previous DSC studies, subgel,...

Characterization of sodium transport in Acholeplasma laidlawii B cells and in lipid vesicles containing purified A. laidlawii (Na+-Mg2+)-ATPase by using nuclear magnetic resonance spectroscopy and 22Na tracer techniques.

Mahajan, S, Lewis, R N, George, R, Sykes, B D, McElhaney, R N

The active transport of sodium ions in live Acholeplasma laidlawii B cells and in lipid vesicles containing the (Na+-Mg2+)-ATPase from the plasma membrane of this microorganism was studied by 23Na...

The interfacial structure of phospholipid bilayers: differential scanning calorimetry and Fourier transform infrared spectroscopic studies of 1,2-dipalmitoyl-sn-glycero-3-phosphorylcholine and its dialkyl and acyl-alkyl analogs.

Lewis, R N, Pohle, W, McElhaney, R N

The thermotropic phase behavior of aqueous dispersions of dipalmitoylphosphatidylcholine (DPPC) and its 1,2-dialkyl, 1-acyl 2-alkyl and 1-alkyl 2-acyl analogs was examined by differential scanning...

Components of the carbonyl stretching band in the infrared spectra of hydrated 1,2-diacylglycerolipid bilayers: a reevaluation.

Lewis, R N, McElhaney, R N, Pohle, W, Mantsch, H H

Previous vibrational spectroscopic studies of solid acyl-alkyl and diacyl phosphatidylcholines suggested that the sn1- and sn2-carbonyl stretching modes of 1,2-diacylglycerolipids have different...

Studies of mixed-chain diacyl phosphatidylcholines with highly asymmetric acyl chains: a Fourier transform infrared spectroscopic study of interfacial hydration and hydrocarbon chain packing in the mixed interdigitated gel phase.

Lewis, R N, McElhaney, R N

The mixed interdigitated gel phases of unlabeled, specifically 13C = O-labeled, and specifically chain-perdeuterated samples of 1-O-eicosanoyl, 2-O-lauroyl phosphatidylcholine and 1-O-decanoyl,...

The infrared dichroism of transmembrane helical polypeptides.

Axelsen, P H, Kaufman, B K, McElhaney, R N, Lewis, R N

Polarized attenuated total internal reflectance techniques were applied to study the infrared dichroism of the amide I transition moment in two membrane-bound peptides that are known to form oriented...

Structures of the subgel phases of n-saturated diacyl phosphatidylcholine bilayers: FTIR spectroscopic studies of 13C = O and 2H labeled lipids.

Lewis, R N, McElhaney, R N

The subgel phases of unlabeled, specifically chain perdeuterated and specifically 13C = O labeled representative samples of the n-saturated diacylphosphatidylcholines were studied by...

Effect of the chirality of the glycerol backbone on the bilayer and nonbilayer phase transitions in the diastereomers of di-dodecyl-beta-D-glucopyranosyl glycerol.

Mannock, D A, Lewis, R N, McElhaney, R N, Akiyama, M, Yamada, H, Turner, D C, ...

We have studied the physical properties of aqueous dispersions of 1,2-sn- and 2,3-sn-didodecyl-beta-D-glucopyranosyl glycerols, as well as their diastereomeric mixture, using differential scanning...

Calorimetric and spectroscopic studies of the polymorphic phase behavior of a homologous series of n-saturated 1,2-diacyl phosphatidylethanolamines.

Lewis, R N, McElhaney, R N

The polymorphic phase behavior of a homologous series of n-saturated 1,2-diacyl phosphatidylethanolamines was investigated by differential scanning calorimetry, 31P-nuclear magnetic resonance, and...

Enigmatic thermotropic phase behavior of highly asymmetric mixed-chain phosphatidylcholines that form mixed-interdigitated gel phases.

Lewis, R N, McElhaney, R N, Osterberg, F, Gruner, S M

Twelve saturated mixed-chain phosphatidylcholines have been identified for which the thermotropic phase behavior observed upon cooling from the L alpha phase is dependent upon the thermal history of...

Comparative differential scanning calorimetric and FTIR and 31P-NMR spectroscopic studies of the effects of cholesterol and androstenol on the thermotropic phase behavior and organization of phosphatidylcholine bilayers.

McMullen, T P, Lewis, R N, McElhaney, R N

We have investigated the comparative effects of the incorporation of increasing quantities of androstenol and cholesterol on the thermotropic phase behavior of aqueous dispersions of members of a...

Studies of the thermotropic phase behavior of phosphatidylcholines containing 2-alkyl substituted fatty acyl chains: a new class of phosphatidylcholines forming inverted nonlamellar phases.

Lewis, R N, McElhaney, R N, Harper, P E, Turner, D C, Gruner, S M

We have synthesized a number of 1,2-diacyl phosphatidylcholines with hydrophobic substituents adjacent to the carbonyl group of the fatty acyl chain and studied their thermotropic phase behavior by...

Thermotropic phase behavior of phosphatidylcholines with omega-tertiary-butyl fatty acyl chains.

Lewis, R N, Mantsch, H H, McElhaney, R N

The thermotropic phase behavior of a homologous series of phosphatidylcholines containing acyl chains with omega-tertiary butyl groups was studied by differential scanning calorimetry, Fourier...

Interaction of a peptide model of a hydrophobic transmembrane alpha-helical segment of a membrane protein with phosphatidylethanolamine bilayers: differential scanning calorimetric and Fourier transform infrared spectroscopic studies.

Zhang, Y P, Lewis, R N, Hodges, R S, McElhaney, R N

High-sensitivity differential scanning calorimetry (DSC) and Fourier transform infrared (FTIR) spectroscopy were used to study the interaction of a synthetic alpha-helical hydrophobic transmembrane...

Surface charge markedly attenuates the nonlamellar phase-forming propensities of lipid bilayer membranes: calorimetric and (31)P-nuclear magnetic resonance studies of mixtures of cationic, anionic, and zwitterionic lipids.

Lewis, R N, McElhaney, R N

The lamellar/nonlamellar phase preferences of lipid model membranes composed of mixtures of several cationic lipids with various zwitterionic and anionic phospholipids were examined by a combination...

Calorimetric and spectroscopic studies of the thermotropic phase behavior of lipid bilayer model membranes composed of a homologous series of linear saturated phosphatidylserines.

Lewis, R N, McElhaney, R N

The thermotropic phase behavior of lipid bilayer model membranes composed of the even-numbered, N-saturated 1,2-diacyl phosphatidylserines was studied by differential scanning calorimetry and by...

Differential scanning calorimetric and Fourier transform infrared spectroscopic studies of the effects of cholesterol on the thermotropic phase behavior and organization of a homologous series of linear saturated phosphatidylserine bilayer membranes.

McMullen, T P, Lewis, R N, McElhaney, R N

We have examined the effects of cholesterol on the thermotropic phase behavior and organization of aqueous dispersions of a homologous series of linear disaturated phosphatidylserines by...

Studies of the structure and organization of cationic lipid bilayer membranes: calorimetric, spectroscopic, and x-ray diffraction studies of linear saturated P-O-ethyl phosphatidylcholines.

Lewis, R N, Winter, I, Kriechbaum, M, Lohner, K, McElhaney, R N

Differential scanning calorimetry, x-ray diffraction, and infrared and (31)P-nuclear magnetic resonance ((31)P-NMR) spectroscopy were used to examine the thermotropic phase behavior and organization...

X-ray diffraction structures of some phosphatidylethanolamine lamellar and inverted hexagonal phases.

Harper, P E, Mannock, D A, Lewis, R N, McElhaney, R N, Gruner, S M

X-ray diffraction is used to solve the low-resolution structures of fully hydrated aqueous dispersions of seven different diacyl phosphatidylethanolamines (PEs) whose hydrocarbon chains have the same...

X-ray structure study of thermotropic phases in isoacylphosphatidylcholine multibilayers.

Church, S E, Griffiths, D J, Lewis, R N, McElhaney, R N, Wickman, H H

Structures of lamellar phases in aqueous dispersions of diisoacylphosphatidylcholines (17iPC and 20iPC) were determined by x-ray diffraction methods. In agreement with previous DSC studies, subgel,...