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7365-45-9 Good Buffer Solutions HEPES 4-(2-Hydroxyethyl)-1-Piperazineethanesulfonic Acid

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7365-45-9 Good Buffer Solutions HEPES 4-(2-Hydroxyethyl)-1-Piperazineethanesulfonic Acid

7365-45-9 Good Buffer Solutions HEPES 4-(2-Hydroxyethyl)-1-Piperazineethanesulfonic Acid
7365-45-9 Good Buffer Solutions HEPES 4-(2-Hydroxyethyl)-1-Piperazineethanesulfonic Acid 7365-45-9 Good Buffer Solutions HEPES 4-(2-Hydroxyethyl)-1-Piperazineethanesulfonic Acid 7365-45-9 Good Buffer Solutions HEPES 4-(2-Hydroxyethyl)-1-Piperazineethanesulfonic Acid 7365-45-9 Good Buffer Solutions HEPES 4-(2-Hydroxyethyl)-1-Piperazineethanesulfonic Acid

Large Image :  7365-45-9 Good Buffer Solutions HEPES 4-(2-Hydroxyethyl)-1-Piperazineethanesulfonic Acid

Product Details:
Place of Origin: EZHOU, CHINA
Brand Name: DESHENG
Certification: ISO9001:2008
Model Number: HEPES
Payment & Shipping Terms:
Minimum Order Quantity: 15kg
Price: Negotiable
Packaging Details: Plastic Barrel
Delivery Time: 5 days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 1 ton per day
Detailed Product Description
Name: HEPES Full Name: 4-(2-Hydroxyethyl)-1-Piperazineethanesulfonic Acid
CAS: 7365-45-9 Appearance: White Crystal Powxer
Molecular Formula: C8H18N2O4S Molecular Weight: 238.305
Purity: >99% Category: Good's Buffer
Application: Biological Buffers Industry: Medical & Health
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CAS 7365-45-9 Good Buffer HEPES 4-(2-Hydroxyethyl)-1-Piperazineethanesulfonic Acid

 

Preparation of different types of buffers for hydroxyethylpiperazine ethanesulfonic acid HEPES


HEPES, 4-hydroxyethylpiperazine ethanesulfonic acid, is a commonly used biological buffer, usually used in cell preservation solutions, DNA/RNA extraction kits, and PCR diagnostic kits. According to different needs, HEPES can be configured into a variety of different buffer systems.

 

tems Specifications
Appearance White crystalline powder
Purity ≥99%
Loss on drying ≤1.0%
Heavy metals ≤0.001%
PH 5.0-6.5
Fe ≤0.0005%

The full name of HEPES: hydroxyethylpiperazine ethanesulfonic acid, which belongs to a kind of biological buffer. It has a long-term control system that has a constant pH and will not complex with metal ions. It is often used in cell preservation solutions, DNA/RNA extraction kits, and PCR diagnostic kits. However, for cosmetics, HEPES also has a special role. Next, let's take a look at the fetters between HEPES and cosmetics.

 

HEPES buffer has many advantages, good buffering performance, and non-toxic to cells. It is a hydrogen ion buffer that can control the system in a constant pH range for a long time. Its pH buffer range is 6.8-8.2, and the final concentration is 10-50mmol/L. Generally, the buffering capacity can be achieved when the culture medium contains 20mmol/L HEPES.

 

Hydroxyethylpiperazine ethanesulfonic acid HEPES configures different buffers
According to the specific requirements of different experiments, the composition and preparation method of HEPES buffer are also different. Usually HEPES is combined with sodium hydroxide NaOH or HEPES+ salt.

 

1. When preparing the stock solution of HEPES, first weigh HEPES and dissolve it in distilled water, and then adjust the pH with 0.5-1M NaOH. Note that the effective pH buffer range is 6.8-8.2, and then distilled water to a constant volume and store at 4°C.
2. When preparing HEPES buffer salt solution, you need to add sodium chloride, potassium chloride, disodium hydrogen phosphate, dextran, etc., also use NaOH to adjust the pH, and finally store it at a constant volume and low temperature.
3. Leagene HEPES buffer, a commonly used solution in cell-cell adhesion experiments, is mainly composed of HEPES, sodium chloride, potassium chloride, phosphate, glucose, etc., and contains Ca2+, Mg2+ ions, pH 7.4, filtered out.

Bacteria treatment. It is often used to clean tissues or cells (especially embryonic cells) in the process of long-term aggregation culture to protect the cadherin of the cells without affecting the formation of cell aggregation.
4. HEPES-BSA solution, referred to as HA solution for short, does not contain calcium and magnesium ions. It is one of the components of cell culture fluid and contains some other salt ions. After filtration and sterilization, it is mostly suitable for tissue cell primary culture. Wash and cultivate.
In addition to the above-mentioned buffers, HEPES can also be configured into many buffer systems, such as cell culture medium, Hanks storage medium, and virus storage medium containing HEPES. Desheng is a manufacturer specializing in the production of HEPES. The raw material is reagent powder, and different buffers can be configured according to needs.


Cas 7365-45-9 Good Buffer Solutions Hepes Biological White Powder 0
In cosmetic solutions, HEPES is used to balance the properties of its more acidic counterparts. Because HEPES can keep the pH constant during the chemical reaction, it is often paired with glycolic acid and other ingredients to help extend and maintain the quality of skin care products. To
According to the online contribution, HEPES can be used as a peeling agent, it can be applied to the skin in any form, including the form of lotion, gel or cream. As a peeling agent, a mixture of glycolic acid, lactic acid and HEPES can be used. It is also an effective ingredient that promotes the metabolism of the skin surface. In addition, HEPES is used as a penetration enhancer to promote the transdermal absorption of various functional components in cosmetics. To In cosmetics, ingredients that provide exfoliation to improve the appearance of the skin are generally selected. The selection of ingredients may include the response to the consumer's skin condition, the previously selected ingredients, the compatibility characteristics of the selected ingredients, and the consideration of the characteristics of the previously selected ingredients. Among its selected exfoliants, HEPES was identified as having an effective concentration to provide exfoliating functions.

Cas 7365-45-9 Good Buffer Solutions Hepes Biological White Powder 1

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