Results 31 to 40 of about 26,090 (267)

Fungal colonization in patients with chronic respiratory diseases from Himalayan region of India

open access: yesAnnals of Clinical Microbiology and Antimicrobials, 2010
Background We screened patients with chronic respiratory diseases for microbiological and serological evidences of fungal colonisation; in order to determine its prevalence in this group of patients, examine potential clinical and radiological predictors
Biswas Debasis   +3 more
doaj   +1 more source

16𝜶-hydroxyestrone and its receptor complex: high affinity antigen for antibodies from prostate cancer patients [PDF]

open access: yesJournal of Men's Health, 2021
Background and objectives: Elevated levels of 16α-hydroxyestrone (16α-OHE1) have been linked to increased risk of prostate cancer (PC) and estrogen receptor (ER) had been expressed in prostate tissue but the combined effect of 16α-OHE1 and ER (α) is ...
Wahid Ali Khan   +1 more
doaj   +1 more source

Spraying food sources with pyrethroid to control peridomestic triatomines

open access: yesRevista da Sociedade Brasileira de Medicina Tropical, 2013
Introduction We attempted to supplement traditional insecticide spraying by treating peridomiciliar food sources with a powder formulation. Methods Two groups of houses were treated with deltamethrin suspension concentrate (SC), one of which had its ...
Maria Hismenia Maximo Garcia   +4 more
doaj   +1 more source

POLIOVIRUS PRECIPITINS [PDF]

open access: yesThe Journal of Experimental Medicine, 1957
Antigens present in poliovirus concentrates react with antibodies present in the serum of hyperimmunized monkeys to give type-specific precipitates. One or more bands of precipitate can be formed wherever such homotypic reactants, diffusing into an agar gel, meet in sufficient concentration and in equivalent proportions.
openaire   +1 more source

Fluorescent Virus Precipitin Test

open access: yesExperimental Biology and Medicine, 1975
A fluorescent virus precipitin test (FVPT) for the serologic identification of small particulate antigens such as viruses has been described. The test has several advantageous characteristics: (a) It is probably as sensitive as any serologic test (i.e., aggregates with dimensions of 0.2 mum are detectable; therefore, complexes containing as few as ...
L G, Foster   +2 more
openaire   +2 more sources

The biological activity of soluble antigen-antibody complexes: II. Physical properties of soluble complexes having skin-irritating activity [PDF]

open access: yes, 1959
Previous work by Germuth and McKinnon (1), Trapani et al. (2), and ourselves (3) has established the fact that soluble antigen-antibody complexes formed in excess antigen can, (a) induce symptoms similar to anaphylaxis, (b) cause contraction of isolated ...
Campbell, Dan H.   +2 more
core   +1 more source

The Role of Serum IgG Precipitins against Six Typical Organic Antigens Involved in Hypersensitivity Pneumonitis: A 10-Year Retrospective Study of a Referral Interstitial Lung Disease Centre

open access: yesInternational Journal of Translational Medicine
Hypersensitivity pneumonitis (HP) represents the third common interstitial lung disease caused by an exaggerated immune response following the inhalation of organic and/or chemical environmental antigens.
Jari Intra   +7 more
doaj   +1 more source

Feeding preference of the sand flies Lutzomyia umbratilis and L. spathotrichia (diptera: Psychodidae, Phlebotominae) in an urban forest patch in the city of Manaus, Amazonas, Brazil

open access: yesMemorias do Instituto Oswaldo Cruz, 2004
Precipitin tests were performed on blood meals of 199 sand flies (161 Lutzomyia umbratilis, 34 L. spathotrichia, two Lutzomyia of group shannoni, one L. anduzei) in a non-flooded upland forest on the Campus of the Universidade Federal do Amazonas.
Liliane Coelho da Rocha   +2 more
doaj   +1 more source

Precipitin Antisera and their Standardisation [PDF]

open access: yesJournal of Hygiene, 1906
It is usually accepted that in precipitin reactions a definite quantity of precipitin interacts with a definite quantity of homologous proteid, and further that in ordinary circumstances the interacting quantities combine to give rise to a precipitate, the precipitum.
D A, Welsh, H G, Chapman
openaire   +2 more sources

Immunological studies on the membrane systems of cancer cells. I. Immunochemical analysis of membrane fractions from cancer cells [PDF]

open access: yes, 1968
The present investigation was conducted with the purpose to search for the specific cancer antigenicity at subcellular level, as its first object. The aim is on the immunochemical consideration and comparison of fractions such as cell homogenate, nuclei,
Wakabayashi, Akira
core   +1 more source

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