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Pàgina 1 des de 17 resultats
Rhamnose-coated superparamagnetic iron-oxide nanoparticles: an evaluation of their in vitro cytotoxicity, genotoxicity and carcinogenicity.
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Tumor recurrence after the incomplete removal of a tumor mass inside brain tissue is the main reason that scientists are working to identify new strategies in brain oncologic therapy. In particular, in the treatment of the most malignant astrocytic tumor glioblastoma, the use of magnetic
Water-dispersible sugar-coated iron oxide nanoparticles. An evaluation of their relaxometric and magnetic hyperthermia properties.
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Synthesis of functionalized magnetic nanoparticles (NPs) for biomedical applications represents a current challenge. In this paper we present the synthesis and characterization of water-dispersible sugar-coated iron oxide NPs specifically designed as magnetic fluid hyperthermia heat mediators and
[The characteristics of the immune response to the polysaccharide determinants of Streptococcus group A in rheumatism].
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As shown in this study, the formation of antibodies, at least, to the determinants (DT) of polysaccharide of group A streptococcus (A-PS), common with epidermal antigens, occurs in rheumatic fever. Two DT include N-acetylglucosamine; DT common with epidermal basal cell antigen (DT-1) and DT common
Detection of antibodies to streptococcal mucopeptide in patients with rheumatic disorders and normal controls.
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Bacterial mucopeptide is an integral part of bacterial cell walls and is therefore ubiquitous in our environment. An enhanced degree of humoral immunity has ben detected not only in patients with acute rheumatic fever (ARF), with a known recent response to streptococci, but also in patients with
Structural analysis of the O-acetylated O-polysaccharide isolated from Salmonella paratyphi A and used for vaccine preparation.
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Salmonella paratyphi A is increasingly recognized as a common cause of enteric fever cases and there are no licensed vaccines against this infection. Antibodies directed against the O-polysaccharide of the lipopolysaccharide of Salmonella are protective and conjugation of the O-polysaccharide to a
Synthesis, characterization, and immunological properties in mice of conjugates composed of detoxified lipopolysaccharide of Salmonella paratyphi A bound to tetanus toxoid with emphasis on the role of O acetyls.
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Salmonella paratyphi A, the second most common cause of enteric fever in Southeast Asia, is a habitant of and a pathogen for humans only. Lipopolysaccharides (LPS) are both essential virulence factors and protective antigens for systemic infections caused by groups A, B, C, and D nontyphoidal
[Level of antibodies to different determinants of Streptococcus group A polysaccharide and autoantibodies to basal layer of the skin epithelium in rheumatism].
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Direct dependence was established between the presence of autoantibodies reacting with the basal layer of the skin epithelium (BLSE) and the high level of antibodies to the streptococcal group A polysaccharide (APS). By the primary active rheumatic fever (PARF) autoantibodies to the BLSE are
Biological activities of leptospiral lipopolysaccharide.
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Lipopolysaccharide extracted with phenol-water from Leptospira interrogans serovar copenhageni strain Shibaura (L-LPS) showed various biological activities. In lethality for mice, L-LPS was active (LD 50, 3.4 mg/mouse) but about 12 times less potent than Escherichia coli LPS (E-LPS) per weight
Bioactive pectic polysaccharides from Glinus oppositifolius (L.) Aug. DC., a Malian medicinal plant, isolation and partial characterization.
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Glinus oppositifolius (L.) Aug. DC. (Aizoaceae) is a Malian medicinal plant used against various types of illnesses related to the immune response, like joint pains, inflammations, fever, malaria and wounds. Two pectin type polysaccharides, GOA1 and GOA2, being isolated from a 50 degrees C water
Isolation, purification, and partial characterization of a lipopolysaccharide from Haemophilus pleuropneumoniae.
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Lipopolysaccharide (LPS) from Haemophilus pleuropneumoniae 1536, serotype 2, was isolated and purified by a procedure designed to be equally satisfactory for both smooth- and rough-type LPS. The LPS yield was 53%. Analysis of the preparations revealed that protein, nucleic acid, and cellular
Cytotoxicity, phytochemical analysis and antioxidant activity of crude extracts from rhizomes of Elephantorrhiza elephantina and Pentanisia prunelloides.
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BACKGROUND
Elephantorrhiza elephantina (Ee) and Pentanisia prunelloides (Pp) are two medicinal plants which are widely used to remedy various ailments including diarrhoea, dysentery, inflammation, fever, rheumatism, heartburn, tuberculosis, haemorrhoids, skin diseases, perforated peptic ulcers and
Operculina turpethum (Linn.) Silva Manso as a Medicinal Plant Species: A Review on Bioactive Components and Pharmacological Properties.
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Operculina turpethum (Linn.) (OT) Silva Manso belongs to the family Convolvulaceae. This review incorporates literature for the phytochemical and pharmacological profile of OT herb. Exhaustive literature survey was done using all the details on phytochemistry and pharmacology of OT available. This
Platelet-streptococcal interactions in endocarditis.
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Infective endocarditis is characterized by the formation of septic masses of platelets on the surfaces of heart valves and is most commonly caused by viridans streptococci. Streptococcal virulence in endocarditis involves factors that promote infectivity and pathogenicity. Adhesins and
Antipyretic and antitumor effects of a purified polysaccharide from aerial parts of Tetrastigma hemsleyanum.
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Variable Responses to Carbon Utilization between Planktonic and Biofilm Cells of a Human Carrier Strain of Salmonella enterica Serovar Typhi.
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Salmonella enterica serovar Typhi (S. Typhi) is a foodborne pathogen that causes typhoid fever and infects only humans. The ability of S. Typhi to survive outside the human host remains unclear, particularly in human carrier strains. In this study, we have investigated the catabolic activity of a
La base de dades d’herbes medicinals més completa avalada per la ciència
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- Llegiu publicacions científiques relacionades amb la vostra cerca
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* Tota la informació es basa en investigacions científiques publicades
