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Determining the osmotic pressure (freezing point) of thymosin for injection by freezing point drop method (CAT#: STEM-PPA-0177-LJX)

Name: Determining the osmotic pressure (freezing point) of thymosin for injection by freezing point drop method
SKU: STEM-PPA-0177-LJX
Rating: 5 (1 reviews)

Introduction

Thymosin for injection is mainly used in the treatment of various primary or secondary T cell defect diseases, some autoimmune diseases, low cell function and other diseases and adjuvant therapy of tumors, and its clinical use is mostly intravenous drip. The osmotic pressure of injection is an important parameter to evaluate the safety of injection. In the course of clinical use, the osmotic pressure of the injection should be adjusted to the tolerable range of the human body, otherwise it will cause the deformation of the body's red blood cells or even rupture and hemolysis, or stimulate the local tissue cells and cause pain.

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Principle Applications Procedure Materials Notes

Principle

Freezing point drop method is a commonly used method to measure the osmotic pressure (freezing point) of organisms. The method uses the Raoult freezing point principle, that is, any solution, if the total number of solute particles dissolved per unit volume is the same, the value that causes the freezing point of the solution to drop is the same.

Applications

For determining the freezing point and osmotic pressure of biological fluid

Procedure

1. Measure the freezing point of pure water
2. Load the sample solution into the osmometer, so that the water in the sample begins to freeze, and record the temperature drop of the sample
3. When the temperature drops to a certain value, all the water in the sample freezes to form ice crystals. At this time, the sample temperature stops falling and the temperature value is recorded, which is the sample freezing point
4. The osmotic pressure of the sample can be calculated by establishing a standard curve

Materials

• Sample Type:
Thymosin for injection

Notes

1. During the experiment, strictly avoid the contact between the sample and the air to prevent the sample from losing water or absorbing water, which will affect the experimental results.
2. At the same time, the pH value, temperature, stirring time and other factors of the sample will also affect the experimental results and need to be controlled.

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