نتایج جستجو برای: micro organism

تعداد نتایج: 239256  

2017
B. Rasouli B. Amiri

This study was done to investigate the nutritive value of Festocaovina, Agrostisgiganta and Avena sativa using sheep rumen and feces liquor as sources of micro-organism through gas production method. Rumen and feces liquor were collected from three fistulated sheep. Rangeland species sampling was randomly conducted from different areas of Guilan province. All the collected samples were initiall...

Abbas Aflatoonian Farzad Kafilzadeh Mohammad Hassan Sheikhha Mohammad Javad Kazemi Seyed Mehdi Kalantar,

Background The prevalence of infertility is about 10-15% among the couples overally. Several factors can affect fertility ability of men and women. Chlamydia is a non-motile gram negative obligatory interacellular pathogenic organism. It can cause infections in females as cervicitis, urethritis, endometritis, pelvic inflammatory disease also prostatitis and epidydidimitis in male as well. The a...

Journal: :The Journal of clinical investigation 2002
Robert M Strieter John A Belperio Michael P Keane

Historically the lung has been perceived as an organ primarily involved in gas exchange. However, due to its unique relationship with the environment, the lung must defend itself from infection by numerous inhaled micro-organisms. Various innate defenses protect the lung from infection, including the cough reflex, mucociliary clearance (see Knowles and Boucher, this Perspective series, ref. 1),...

2002
Jeffrey A. Whitsett

Historically the lung has been perceived as an organ primarily involved in gas exchange. However, due to its unique relationship with the environment, the lung must defend itself from infection by numerous inhaled micro-organisms. Various innate defenses protect the lung from infection, including the cough reflex, mucociliary clearance (see Knowles and Boucher, this Perspective series, ref. 1),...

Journal: :Journal of general microbiology 1955
D ERIKSON J W PORTEOUS

Conversion of a ‘rough’ typical strain of Actinomyces israelii of human origin to a ‘smooth’ soft form more tolerant of oxygen was found to result from the physical trapping within the mycelium of a few alien and facultatively anaerobic cells. Such cells, which commonly proved to be staphylococci, were isolated in single cell culture by micromanipulative techniques and then grown aerobically. T...

2016

233. London: John Lane. 1905. This newest work on rheumatic affections is founded entirely 011 the belief that rheumatic conditions are incited by a specific micro-organism, the diplococcus rheumaticus. It is further maintained that in the chronic forms of rheumatism, and in acute and chronic rheumatoid arthritis, the exciting cause is a modified or a virulent form of the coccus of acute rheuma...

Journal: :World Journal of Biology Pharmacy and Health Sciences 2021

Lactobacillus spp. are known to have many health benefits and mostly used as probiotics. They can cause inhibition of certain micro-organisms by the reduction pH due production lactic acid, hydrogen peroxide antimicrobial compounds such bacteriocins. The antibacterial; activity Against Staphylococcus aureus was evaluated using agar well diffusion method. Three raw goat milk samples were pooled ...

2006

Actinomycosis, a bacterial infection characterized by chronic inflammatory induration and sinus formation, presents clinical challenges. First, the infection eludes diagnosis because etiologic agents are bacteria and not fungi, a fact not yet well known. Second, clinicians must employ special anaerobic techniques to culture the causative micro-organisms. Actinomyces are indigenous to the oral a...

Journal: :FEMS microbiology reviews 2000
B L van Baar

Chemical analysis for the characterisation of micro-organisms is rapidly evolving, after the recent advent of new ionisation methods in mass spectrometry (MS): electrospray (ES) and matrix-assisted laser desorption/ionisation (MALDI). These methods allow quick characterisation of micro-organisms, either directly or after minimum sample preparation. This review provides a brief introduction to E...

2015
Andrey Zahariev Hristo Kiskinov Angel Angelov Stoyan Zlatev

In the present work, a generalization of the classical model of Monod accounting the influence of both delayed and instant mortalities on the dynamics of the micro-organism population is proposed. The model was analysed and compared with respect to its quality and applicability for simulation of the cultivation process of micro-organisms. Existence of a unique global positive solution of the Ca...

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