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Articles 2941 - 2970 of 3027
Full-Text Articles in Entire DC Network
Reversible Oxygenation Of Oxygen Transport Proteins, Charles Michael Drain, Barry B. Cordon
Reversible Oxygenation Of Oxygen Transport Proteins, Charles Michael Drain, Barry B. Cordon
Publications and Research
A lecture demonstration illustrating changes in the visible spectra of oxygen transport proteins upon reversihle oxygen binding is reported. The coloration upon exposure to oxygen is dramatic. Deoxyhemoglobin changes from purple to red, deoxyhemocyanin is transformed from colorless to blue, while colorless deoxyhemerythrin turns red. This demonstration illustrates an interesting example of a chemically reversible reaction and is used in the discussion of basic thermodynamic properties. A comparison of the physical characteristics of these oxveen storaee and transn.o rt ~ro- A teins is provided to illustrate the stru&ral diversity associated with these proteins having a similar biological role.
Early Soft Signs And Later Psychopathology, David Shaffer, Cornelius Stokman, Patricia A. O'Connor, Stephen Shafer, Joseph E. Barmack, Suzanne Hess, D. Spalten, Irvin Sam Schonfeld
Early Soft Signs And Later Psychopathology, David Shaffer, Cornelius Stokman, Patricia A. O'Connor, Stephen Shafer, Joseph E. Barmack, Suzanne Hess, D. Spalten, Irvin Sam Schonfeld
Publications and Research
At age 17 two motor signs, mirror movements and dysdiadochokinesis, were found in more than half the subjects known to have had the respective signs at age 7. These rates were significantly higher than rates found within the group of subjects who were sign free at age 7.
Caring Choices: Decision-Making About Treatment For Catastrophically Ill Newborns, Betty Wolder Levin
Caring Choices: Decision-Making About Treatment For Catastrophically Ill Newborns, Betty Wolder Levin
Publications and Research
Decision making for catastrophically ill newborns has recently emerged as a social issue. Advances in biomedical technology and practice, and changes in other economic, social and political factors have led to controversy about norms to guide treatment choice. While much has been written on how such decisions should be made, there has been little social science research on how such decisions are actually made.
The purpose of this dissertation is to elucidate the way that clinicians think about treatment decisions for catastrophically ill newborns. The focus is on decision making with respect to the limitation of treatment in those situations …
Neurological Soft Signs: Their Relationship To Psychiatric Disorder And Iq In Childhood And Adolescence, David Shaffer, Irvin Sam Schonfeld, Patricia A. O'Connor, Cornelius Stokman, Paul Trautman, Stephen Shafer, Stephen Ng
Neurological Soft Signs: Their Relationship To Psychiatric Disorder And Iq In Childhood And Adolescence, David Shaffer, Irvin Sam Schonfeld, Patricia A. O'Connor, Cornelius Stokman, Paul Trautman, Stephen Shafer, Stephen Ng
Publications and Research
Defines a neurological soft sign (NSS) as a particular form of deviant performance on a motor or sensory test in a neurological status examination. In the present study, 63 male and 26 female 17-yr-olds who had NSSs at 7 yrs of age were compared with sex- and age-matched controls with no NSSs at age 7 yrs. Data obtained on Ss included behavioral and neurological examination at age 7 yrs and psychiatric, neurologic, and IQ (e.g., WAIS) assessment at adolescence. All 6 females and 12 of the 15 males with an anxiety-withdrawal diagnosis and 13 of the 20 males with an …
The Genevan And Cattell-Horn Conceptions Of Intelligence Compared: The Early Implementation Of Numerical Solution Aids, Irvin Sam Schonfeld
The Genevan And Cattell-Horn Conceptions Of Intelligence Compared: The Early Implementation Of Numerical Solution Aids, Irvin Sam Schonfeld
Publications and Research
The Genevan and Cattell-Horn theories of intelligence are compared. The theories are found to be similar in the following respects: Intelligence (operative intelligence and fluid ability) is conceptualized as adaptational in function; the products of everyday learning and crystallized skills reflect the impress of experience; one category of intelligence (operative intelligence, fluid ability) is conceptualized as prior or more fundamental than the other (learned products, crystallized skills). Important differences were also found: Whereas fluid ability is characterized as formless and fixed, operative intelligence is viewed as highly structured and evolving; a compensatory relation between noegenetic crystallized skills and fluid ability …
Dropping Out Of High School: An Inside Look, Michelle Fine
Dropping Out Of High School: An Inside Look, Michelle Fine
Publications and Research
In September, 1984, I began an ethnography of student life in and out of a New York City public high school to figure out why urban students drop out of high school at such extraordinary rates. By December, why urban students stay in high school through graduation struck me as an equally compelling question.
Specialized Petiole Feeding Behavior In Cichlasoma Tuba, Aldemaro Romero Jr.
Specialized Petiole Feeding Behavior In Cichlasoma Tuba, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
Status Of Venezuela’S Biological Diversity: An Overview. A Reportpresented To The Nature Conservancy International Program, Washington, D.C, Aldemaro Romero Jr.
Status Of Venezuela’S Biological Diversity: An Overview. A Reportpresented To The Nature Conservancy International Program, Washington, D.C, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
Ontogenetic Change In Phototactic Responses Of Surface And Cave Populations Of Astyanax Fasciatus (Pisces: Characidae), Aldemaro Romero Jr.
Ontogenetic Change In Phototactic Responses Of Surface And Cave Populations Of Astyanax Fasciatus (Pisces: Characidae), Aldemaro Romero Jr.
Publications and Research
No abstract provided.
Can Evolution Regress?, Aldemaro Romero Jr.
Can Evolution Regress?, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
Morphological Variation Accompanying Cave Evolution In Astyanax Fasciatus (Pisces: Characidae), Aldemaro Romero Jr.
Morphological Variation Accompanying Cave Evolution In Astyanax Fasciatus (Pisces: Characidae), Aldemaro Romero Jr.
Publications and Research
No abstract provided.
Pirañas Imposibles, Aldemaro Romero Jr.
Pirañas Imposibles, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
Scientific Collecting In Caves, Aldemaro Romero Jr.
Scientific Collecting In Caves, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
Genetical, Morphological And Behavioral Studies On The Evolutionary Biology Of The Astyanax Species Complex Of Middle America, Aldemaro Romero Jr.
Genetical, Morphological And Behavioral Studies On The Evolutionary Biology Of The Astyanax Species Complex Of Middle America, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
Introgressive Hybridization In A Population Of Astyanax Fasciatus (Pisces: Characidae) At La Cueva Chica, Aldemaro Romero Jr.
Introgressive Hybridization In A Population Of Astyanax Fasciatus (Pisces: Characidae) At La Cueva Chica, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
Academic Versus Practioner Research In Accounting, Robert E. Jensen.
Academic Versus Practioner Research In Accounting, Robert E. Jensen.
Publications and Research
No abstract provided.
Adaptive Behavior Of Astyanax Fasciatus (Cuvier) (Pisces: Characidae) And Of Brachyrhaphis Rhabdophora (Regan) (Pisces: Poecilidae) Associated With Subterranean Waters, Aldemaro Romero Jr.
Adaptive Behavior Of Astyanax Fasciatus (Cuvier) (Pisces: Characidae) And Of Brachyrhaphis Rhabdophora (Regan) (Pisces: Poecilidae) Associated With Subterranean Waters, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
Studies On Feeding Behavior On A Population Of Cichlasoma Tuba (Pisces: Cichlidae) In Shallow Waters Of The River Puerto Viejo, Aldemaro Romero Jr.
Studies On Feeding Behavior On A Population Of Cichlasoma Tuba (Pisces: Cichlidae) In Shallow Waters Of The River Puerto Viejo, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
An Alternative Policy For Obtaining Cadaver Organs For Transplantation, James L. Muyskens
An Alternative Policy For Obtaining Cadaver Organs For Transplantation, James L. Muyskens
Publications and Research
Two moral principles have been basic to the legal decisions concerning the rights and duties toward the newly dead. They are the duty to give decent burial and the denial to anyone of a right to ownership of the dead body for commercial profit. The next-of-kin-rather than the church or the state have come to bear the primary responsibility for providing decent burial.
The familial duty to give decent burial has come to be understood as a legal right to determine what is to be done to the body in the interval between death and burial.
Armed with this right, …
Adiestrados Para Matar, Aldemaro Romero Jr.
Adiestrados Para Matar, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
El Día De Las Orcas, Aldemaro Romero Jr.
El Día De Las Orcas, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
El Ordenador Y La Comunicación Hombre-Delfín, Aldemaro Romero Jr., Ana Mayayo
El Ordenador Y La Comunicación Hombre-Delfín, Aldemaro Romero Jr., Ana Mayayo
Publications and Research
No abstract provided.
Mitocondria Se Escribe Con M De Misterio, Aldemaro Romero Jr.
Mitocondria Se Escribe Con M De Misterio, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
El Tiburón De La Película “Tiburón”, Aldemaro Romero Jr.
El Tiburón De La Película “Tiburón”, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
El Ornitorrinco, Ese Absurdo Mamífero Ponedor Huevos, Aldemaro Romero Jr.
El Ornitorrinco, Ese Absurdo Mamífero Ponedor Huevos, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
Stereospecific Opiate Binding In Human Erythrocyte Membranes And Changes In Heroin Addicts, Leo G. Abood, Holly G. Atkinson, Mary Macneil
Stereospecific Opiate Binding In Human Erythrocyte Membranes And Changes In Heroin Addicts, Leo G. Abood, Holly G. Atkinson, Mary Macneil
Publications and Research
Stereospecific opiate binding has been demonstrated in human erythrocyte membranes, having a Kd of 9-10(-9) M. In most respects the binding characteristics resemble those of synaptic membranes. These included the correlation of binding affinity and pharmacological potency of opiates; competition by naloxone; inhibition by Ca2+ and Na+; and sensitivity to phospholipases and trypsin. A comparison of stereospecific opiate binding in control human subjects and heroin addicts revealed a 43% increase in the addict group.
Las Anguilas, Eternas Pasajeras De Las Aguas, Aldemaro Romero Jr., Xavier Gimeno
Las Anguilas, Eternas Pasajeras De Las Aguas, Aldemaro Romero Jr., Xavier Gimeno
Publications and Research
No abstract provided.
Una Tortuga Llamada “Matá-Matá”, Aldemaro Romero Jr.
Una Tortuga Llamada “Matá-Matá”, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
La Ballena Gris, Aldemaro Romero Jr.
¿Los Restos Del Hombre De Pekín?, Aldemaro Romero Jr.
¿Los Restos Del Hombre De Pekín?, Aldemaro Romero Jr.
Publications and Research
No abstract provided.