Набор для окрашивания пероксидазой спермы Solarbio лейкоцитов(н-толуидиновый метод)

Информация о товаре

• Product Code: G3410
• Спецификация: 20Т
• Хранилище: Store at 2-8°C, со сроком годности 6 месяцы.

Содержание продукта:

Описание продукта:

Most semen contains white blood cells, mainly polymorphonuclear leukocytes (PMNs, neutrophils). Иногда, white blood cells can be distinguished from sperm cells and spermatocytes in semen smears using the Papanicolaou staining method. Distinguishing white blood cells mainly relies on differences in staining, размер, and morphology of the nucleus. Polymorphonuclear leukocytes are morphologically similar to multinucleated sperm cells, but polymorphonuclear leukocytes stain light blue while sperm cells stain light red. The size of the nucleus also helps in differentiation: the nucleus of mononuclear leukocytes fluctuates widely in size, ranging from approximately 7μm for lymphocytes to over 15μm for macrophages. The number of white blood cells in semen can also be quantified using other techniques.

The principle of the Peroxidase Stain for Seminal White Blood Cells (orthotoluidine method) is that the main type of white blood cells in semen is peroxidase-positive granulocytes, which can be screened using peroxidase staining. This method is rapid, inexpensive, and practical for the initial screening of granulocytes. Although this technique has the advantage of being relatively easy to operate, it cannot detect the following: ① polymorphonuclear leukocytes that have already been activated and released their granules; ② other white blood cell types that do not contain peroxidase, such as lymphocytes, macrophages, and monocytes. This product can be used to differentiate polymorphonuclear leukocytes from multinucleated sperm cells that do not contain peroxidase.

Operating Steps (только для справки):

1. Prepare the orthotoluidine working solution: Add 1ml of saturated ammonium chloride solution, 1ml of EDTA solution, and 10μl of oxidant to 9ml of substrate solution, хорошо перемешать, and use within 24 hours of preparation.
2. Thoroughly mix the semen sample, mix 0.1ml of semen with 0.9ml of working solution.
3. Vortex the sperm suspension for 10 seconds and let it stand at room temperature for 20-30 минуты. Альтернативно, use a tube rocker for continuous agitation.
4. После 20-30 минуты, mix the sperm suspension again and fill the sample into the counting pools on both sides of the hemocytometer.
5. Place the hemocytometer horizontally in a humid chamber at room temperature for at least 4 minutes to allow cells to settle.
6. Use a 200 or 400-fold phase contrast microscope to observe and count at least 200 peroxidase-positive cells.

Технические характеристики:

• Реагент (А): Saturated ammonium chloride solution 2ml, stored at 2-8°C.
• Реагент (Б): EDTA solution 2ml, stored at 2-8°C.
• Реагент (С): Orthotoluidine substrate solution 20ml, хранить при 2-8°C, избегайте света.
• Реагент (Д): Oxidant 1ml, stored at 2-8°C.

Staining Results:

Peroxidase-positive cells are stained brown, while peroxidase-negative cells remain unstained.

Меры предосторожности:

1. Prepare the orthotoluidine working solution just before use and do not store it for an extended period after preparation.
2. If the ambient temperature in the staining room is low, use an incubator or water bath to complete the staining process.
3. When examining counting pools, continue counting at least 200 peroxidase-positive cells per grid until complete grids are counted; do not stop counting in the middle of a grid.
4. Для вашей безопасности и здоровья, wear lab coats and disposable gloves during operation.
5. This product is for research purposes only and should not be used for clinical diagnosis or other purposes.