We have not tested boiling this enzyme at the end of the protocol, we have only used acid.
推薦產品
重組細胞
expressed in Aspergillus oryzae
形狀
powder
比活性
≥2500 units/g
環保替代產品特色
Waste Prevention
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
環保替代類別
儲存溫度
2-8°C
一般說明
其他說明
法律資訊
訊號詞
Danger
危險聲明
危險分類
Resp. Sens. 1
儲存類別代碼
11 - Combustible Solids
水污染物質分類(WGK)
WGK 1
閃點(°F)
Not applicable
閃點(°C)
Not applicable
個人防護裝備
Eyeshields, Gloves, type N95 (US)
從最近期的版本中選擇一個:
分析證明 (COA)
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Will this enzyme in buffer be deactivated completely at 100°C boiling for 10 mins towards end of protocol or it needs acid treatment strictly ?
1 answer-
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Is this enzyme powder soluble in water ? seems like particle dispersing in buffer at Ph 4.8 ?
1 answer-
The active components of xylanase X2753 are readily soluble in water at concentrations that occur in normal usage. However, water solutions will be turbid because of the wheat flour used for standardization of the enzyme.
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What does >2500U/g imply. What is range of enzyme activity for this enzyme under your protocols kindly inform.
1 answer-
Each Lot is guaranteed to have a specific activity greater than or equal to 2500 Units/g. There is no maximal value specified.
The calculated specific activity for each lot will be printed on the Certificate of Analysis found here:
https://www.sigmaaldrich.com/product/sigma/x2753#product-documentationHelpful?
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What is the optimal pH, buffer, temperature and concentration of this product ?
1 answer-
This is a product of Novozymes Corp. The manufacturer tests this material according to the following protocol and conditions:
Temperature - 50°C
Buffer - 0.1M Phosphate Buffer, pH 6
Enzyme concentration - 0.007 - 0.057 units/mL
Substrate - 0.45%w/v Azo-Wheat arabinxylan in 0.1 M Phosphate Buffer, pH 6
Reaction - 0.100 mL enzyme solution added to 0.900 mL substrate solution
Incubation time - 30 minutes in a water bath at 50°C
Stop Reaction - add 5 mL of Stop Reagent: 6.66 mL 2 N HCl in 1000mL absolute Ethanol
Incubation - 15 - 60 minutes at ambient temperature
Centrifuge at 4000 rmp for 15 minutes
Detection - 585 nm (manual) within 20 minutes of centrifugationHelpful?
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We have Sigma X2753 Xylanase We need to treat our sample with this. Kindly suggest a protocol at which this product will show its optimum activity.
1 answer-
There is not a protocol offered specifically for this product. However, the peer-reviewed articles may be helpful:
https://www.sigmaaldrich.com/search/x2753?focus=papers&page=1&perpage=30&sort=relevance&term=x2753&type=citation_searchHelpful?
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What is the density of Product X2753, Cellulase from Aspergillus oryzae?
1 answer-
We have not determined the density of this product.
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What is the optimum pH for Cellulase from Aspergillus oryzae., Product X2753?
1 answer-
Product X2753, Xylanase, has activity in the pH range of 4-6, and tolerance with temperatures up to 75 °C. The following article may be helpful: https://www.sciencedirect.com/science/article/pii/S138917230670603X#aep-section-id10
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