耐辐照分离胶（透明）可与各类血液促凝剂或抗凝剂配合使用。其广泛应用于以血清为检测对象的临床生化与免疫学检测项目（如RIA、FIA），以及血清样本的储存与传递。
主要成分
| 高分子聚合物、二氧化硅等
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性状
| 本品为无色透明胶体，无可见异物，具有良好的触变性和隔离效果，呈生理惰性。
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比重
| 1.050～1.060 g/cm³ |
粘度
| (15～20)×10⁴ mPa•s
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使用方法
1. 采用加胶机加入试管中，加入量为0.8～1.0 g/每支管（原则上胶在试管中翻转厚度4 mm-5 mm为最佳）。
2. 产品允许最高温度为80℃，加胶时可采用水浴或其他合适的方法加热，建议加热温度控制在60-70℃，加热时间以胶体温度基本均匀为宜。若长时间高温加热，会导致分离胶发黄，严重的可能会出现结构老化，影响产品质量。
3. 试管在加完胶后，应静置24小时以上，方可离心。相对离心力离心3～5分钟（RCF=1800-2000 g）。生产过程中根据设备不同，生产工艺有所差别。
4. 血液检验时，待血液完全凝固、血清开始析出时，放置25～30分钟后，在离心机上以RCF=1500～2000 g、离心8～10分钟即可将血清/血浆与血细胞分开。
5. 本产品具有耐辐照性能，可承受不超过25kGy剂量的Co-60辐照灭菌。
注意事项
1. 分离胶的推荐温度使用范围是-20～+80℃。本品随着环境温度变化，粘度会出现较大变化。环境温度过低可能会导致加胶困难。建议在环境温度低于15℃时，水浴加热到60～70℃，降低粘度，提高加胶效率。
2. 常温加胶时出现“拉丝”现象，可以适当提高加胶温度，或者以振动方式将丝震断。
3. 本品经过高真空处理，胶体中基本没有夹杂空气，通常不建议在转移、加胶过程中进行搅拌，因为搅拌易导致胶体中夹入大量空气。
4. 本品加入试管后，在真空状况下经过连续20天以上60℃的倒立试验，胶体平面流淌距离≤3mm。可以保证以集装箱方式在60℃下连续运输20天不会出现超过3mm的流淌，不会影响采血管的正常使用。即便如此，我们仍然建议，在长时间运输过程中，含分离胶的采血管不易倒置，否则会激发胶的触变性，可能导致分离胶流淌。
5. 分离胶加料斗的清洗：更换不同厂家的分离胶，或者长时间放置不用且暴露在空气中的加料斗，重新投入使用前需进行清理。清理方法为：先用不锈钢铲将加料斗四周表面的胶体铲除干净，再用毛刷蘸上DMC、D4等溶剂清洗，然后用抹布蘸上溶剂擦拭干净。加料管亦要进行清理，以防胶体污染。
6. 本产品不能与其他盐溶解接触混合使用。
7. 凡与本产品接触的血液样本，严禁重新注入人体或用于其他个体。
8. 储存：避光、防潮、密封保存。
It can be used in conjunction with various blood coagulation accelerators or anticoagulants. It is widely used in clinical biochemistry and immunology testing projects (such as RIA, FIA) that use serum as the test object, as well as in the storage and transfer of serum samples.
Main Components
| High molecular polymers, Silicon dioxide, etc.
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Properties
| This product is a colorless transparent gel with no visible foreign matter. It has good thixotropic properties and isolation effect, and is physiologically inert.
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Specific Gravity
| 1.050～1.060 g/cm³ |
Viscosity
| (15～20)×10⁴ mPa•s |
Instructions for Use
Use a gel filling machine to add the gel into test tubes. The addition amount is 0.8 – 1.0 g per tube (In principle, the optimal gel thickness after the tube is inverted is 4 mm – 5 mm).
The maximum allowable temperature for the product is 80°C. When filling, heating can be done using a water bath or other suitable methods. The recommended heating temperature is 60-70°C. The heating time should be sufficient to ensure the gel temperature is basically uniform. Prolonged heating at high temperatures may cause the separation gel to yellow, and in severe cases, may lead to structural aging, affecting product quality.
After filling, the test tubes should be left standing for at least 24 hours before centrifugation. Centrifuge at a relative centrifugal force of 1800-2000 g for 3-5 minutes. Production processes may vary depending on the equipment used.
For blood tests, after the blood has completely coagulated and serum begins to separate, let it stand for 25-30 minutes. Then, centrifuge at an RCF of 1500-2000 g for 8-10 minutes to separate the serum/plasma from the blood cells.
This product has radiation resistance and can withstand Co-60 irradiation sterilization at doses not exceeding 25 kGy.
Precautions
The recommended operating temperature range for the separation gel is -20 to +80°C. The viscosity of this product can change significantly with ambient temperature. Ambient temperatures that are too low may make gel filling difficult. It is recommended that when the ambient temperature is below 15°C, heat the gel in a water bath to 60-70°C to reduce viscosity and improve filling efficiency.
If "stringing" occurs during gel filling at room temperature, the filling temperature can be appropriately increased, or vibration can be used to break the strings.
This product has been treated under high vacuum, so the gel contains essentially no trapped air. It is generally not recommended to stir the gel during transfer or filling, as stirring can easily introduce a large amount of air into the gel.
After the gel is added to the test tube, inverted tests under vacuum at 60°C for over 20 consecutive days show a gel flow distance of ≤ 3 mm. This ensures that container transport at 60°C for 20 consecutive days will not cause flow exceeding 3 mm, thereby not affecting the normal use of the blood collection tube. Even so, we still recommend that blood collection tubes containing separation gel should not be stored inverted during long-distance transport, as this may activate the gel's thixotropic properties and potentially cause the separation gel to flow.
Cleaning the separation gel filling hopper: When switching to a different manufacturer's separation gel, or if the filling hopper has been exposed to air and unused for a long time, it must be cleaned before being put back into use. Cleaning method: First, use a stainless steel spatula to remove the gel adhering to the surfaces inside the hopper. Then, clean with a brush dipped in solvents such as DMC or D4. Finally, wipe clean with a cloth dipped in solvent. The filling tubes should also be cleaned to prevent gel contamination.
This product should not be mixed or used in contact with other salt solutions.
Blood samples that have come into contact with this product are strictly prohibited from being re-injected into the human body or used on other individuals.
Storage: Store in a sealed container, protected from light and moisture.
ZJ26F0434866
危险品化学品经营许可证（带存储）