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Biochemistry, general
** Chung
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Article
Acute leukemic infiltration of the small bowel diagnosed by suction biopsy
A case of acute lymphoblastic leukemia presenting with abdominal symptoms is reported. Diffuse leukemic infiltration of the small bowel was suggested by the small-bowel X-rays and confirmed through jejunal bio...
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Interrelation of ileal wall compliance and vascular resistance
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Intestinal compliance
A method for measuring intestinal compliance is reported in this paper. The method is simple and, with care, may be used in man. From changes in compliance the contractile state (tension or tonus) of the intes...
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Local factors involved in the development of experimental hemorrhagic enteropathy
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Complementation between exr and uvrA strains of Escherichia coli
When Pl phages grown on strain Bs12 (HCR) were used to infect exr strains Bs2, 4 and 7, and the reverse, a significant increase in survivors of ultraviolet radiation was observed over those found in selfing exper...
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Transplantable Tumors as an Internal Stress on Host Metabolism and Responsiveness of Tumors to Applied Stress
The growth of a malignant tumor within the body represents a type of metabolic stress for the host that is fundamentally different from that ordinarily encountered in adaptations made by the organism to a chan...
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A Unique Electrode Catheter for Continuous Monitoring of Arterial Blood Oxygen Tension in Newborn Infants
Arterial blood oxygen tension (paO2) is frequently determined in the intensive care of newborn infants with lung or heart diseases. Knowledge of paO2 in such patients is imperative because elevation above the nor...
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A direct progesterone radioimmunoassay
Exposé d'une méthode de radioimmunoassai du progestérone dans le plasma sans purification chromatographique. Le 11-hémisuccinate de la progestérone a été joint au sérum bovin de l'albumine et injecté aux lapin...
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Phenobarbital specific antisera and radioimmunoassay
On a développé un anticorps d'une grande affinité et spécifité envers le phénobarbital en inoculant des lapins avec une solution de barbiturateprotéide, synthétisée d'acide barbiturique de 5-phényl-5-(4-aminob...
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Mutagenecity in the mal regions ofEscherichia coli
L'efficacité de la nitrosoguanidine (MNG) dans différents milieux de culture et tampons a été étudiée. Les résultats obtenus montrent qu'avec le temps, la fraction de cellules survivant au traitement diminue p...
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Étude génétique de mutants Mal induits par la nitrosoguanidine chezEscherichia coli
In the course of the present investigations, NG induced Mal mutants ofE. coli B were subjected to the following studies: 1. mutation rate for different genetical characters; 2. frequency of reversion to wild type...
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A direct plasma testosterone radioimmunoassay
On a développé und méthode simple pour déteminer sans chromatographie en colonne le testostérone du plasma. La purification a été faite par préextraction avec l'hexane. Un antisérum contre le testostérone a ét...
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A radioimmunoassay for deoxycorticosterone in human peripheral plasma using sephadex LH-20 chromatography
Se reporta un nuevo método para medir desoxicorticosterona en plasma, usando cromatografía de columna LH-20 y radioinmunoensayo. Las cantidades de plasma necesarios para dicho ensayo son mínimas (2 ml) compara...
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Article
Plastid differentiation on 6-azauracil media
Les mutants au locusm de l'Arabidopsis ne réussissent pas à former de chloroplastes normaux dans certaines conditions et montrent des activités plus hautes en synthèse de pyrimidines que le témoin. La nutrition a...
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Article
Résistance à l'ozone chez Escherichia coli
Different strains of E. coli commonly used in genetic studies were exposed to ozone and the results described in this paper indicate that exrA and (lex), but not uvrA genes affect sensitivity to ozone. No relatio...
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An anomaly of the genetic regulation of the de novo pyrimidine pathway in the plant Arabidopsis
Humans afflicted by hereditary orotic aciduria are characterized by insufficiencies in the de novo pyrimidine pathway. Mutants at a nuclear gene locus in Arabidopsis, in contrast, exhibit increased activities of ...
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Biogenetic Autonomy of Mitochondria and Its Limits
The past ten years have seen such an almost explosive growth of efforts devoted to studies on mitochondrial biogenesis that they occupy at least as much contemporary journal space as do studies on mitochondria...
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Use of Isolated Membrane Vesicles in Transport Studies
Isolated membrane vesicles represent one of the simplest systems in which the transport processes remain intact and have therefore provided considerable information on the structure, function, and regulation o...
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Article
Phytotoxic substances in twelve subtropical grasses
Aqueous extracts of 12 subtropical grasses inhibited seed germination and radicle growth ofLactuca sativa var. Great Lakes at osmotic concentrations as low as 10 milliosmol.Acroceras macrum,Chloris gayana, Digita...
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Rapid test for assay of ozone sensitivity in Escherichia coli
A rapid test devised for assay of ozone sensitivity in Escherichia coli is described. The detection of new mutants, either more resistant or more sensitive than wild type strain to ozone, and the genetic analysis...
