ISOLATION OF NITROSOMONAS IN PURE CULTURE

Isolation of Nitrosomonas in pure culture.

Although it has been 68 years since Winogradsky (1890) accomplished the first isolation of nitrifying bacteria, the methods employed have not been improved significantly, and pure cultures remain incredibly difficult to obtain. The literature records numerous attempts to secure Nitrosomonas in pure culture. Nevertheless, the organism has seldom been isolated by dilution techniques. In the relat...

The isolation of Nitrosomonas europaea in pure culture.

Isolation of Pure Cultures

These instruments are typically calibrated using saturated is especially common when organisms are recovered at salt solutions at 25°, as listed in Table 3. atypically high rates or in numbers that exceed recommended levels for specific categories of products. Additionally, microbial identification is useful in aseptic processing Table 3. Standard Saturated Salt Solutions Used to Calibrate and ...

: the effect of sericin levels (silk glue protein) on rate of in vitro maturation, fertilization and culture of sheep oocytes

هدف از آزمایش اول بررسی اثر سطوح مختلف سریسین [0 (control), 0.1, 0.5, 1.0, 2.5 %] افزوده شده به محیط , ivm بر cumulus cell expansion، بلوغ هسته و توسعه متوالی جنین، در گوسفندان نژاد سنجابی در فصل تولید مثلی می باشد. از سرگیری میوز به وسیله خارج شدن اولین پولار بادی اندازه گیری و هم چنین درصد رسیدن جنین های دو سلولی به مرحله کلیواژ و بلاستوسیت نیز به عنوان نشانه ای از میزان شایستگی توسعه اولیه ج...

Techniques for the isolation of Labyrinthula and Thraustochytrium in pure culture.