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DNSA reagent appears yellow due to ts nitro gp.(chromophore) an alkaline solution of Dnsa is boiled with the reducing sugar to bbe estimated Orange brown coloration result which is read colorimetrically.

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Range of coles method for estimation of reducing sugars?

The Coles method estimates reducing sugars by reacting them with 3,5-dinitrosalicylic acid (DNS) and measuring the absorbance at 540 nm. This method is commonly used for estimating reducing sugars in the range of approximately 0.1 to 2 mg/mL, but it may vary depending on the specific conditions of the assay and the sample being analyzed. It's important to validate the method within your laboratory for accurate quantification.


Is lowry's protein estimation an invasive method?

No, Lowry's protein estimation method is not invasive. It is a biochemical method used to quantify the total protein concentration in a sample based on the reaction of proteins with specific reagents. It does not involve physical penetration or manipulation of the sample.


What is the principle of DNSA method?

The principle of the DNSA method, which stands for DNA, RNA and protein simultaneous analysis, is to simultaneously analyze DNA, RNA, and proteins in the same sample to provide a comprehensive understanding of molecular interactions and biological processes. This multi-omics approach allows researchers to study how genetic information is translated into functional proteins, enabling a more holistic view of cellular processes.


How is the Gerber method of fat estimation done?

The Gerber method of fat estimation involves mixing milk with sulfuric acid and centrifuging it to separate the fat. The fat layer is then measured and compared to a standard to determine the fat content of the milk. It is a widely used method in dairy industry for accurate estimation of fat content in milk.


Why protein estimation is done at 660 nanometer in folin lowry method?

Protein estimation in the Folin-Lowry method is done at 660 nanometers because this wavelength corresponds to the highest absorption peak of the complex formed between proteins and the Folin-Lowry reagent. This wavelength is ideal for accurately measuring the concentration of proteins present in a sample based on the colorimetric reaction that occurs.

Related Questions

What are the methods of estimation of reducing sugar?

by comparing the colours or the amount of precipitate


Does DNSA detect polysacchrides?

It detects reducing sugars. DNSA -----> 3-A, 5-N SA


What is the full form of dnsa?

3, 5- dinitrosalicylic acid is the full form of dnsa.


What happens when sugar molecule react with DNSA?

When a sugar molecule reacts with 3,5-dinitrosalicylic acid (DNSA), the sugar is oxidized to form a colored product. This color change is used to detect the presence of reducing sugars, such as glucose, in various chemical tests, including the DNS method for quantifying sugar concentrations.


What is front end estimation?

Front end estimation- An estimation method in which the front digits are added or subtracted


Why folin Wu tubes are used for sugar estimation?

Folin-Wu tubes are used for sugar estimation because they provide a convenient and standardized method for measuring reducing sugars in a sample. The tubes contain reagents that react with reducing sugars to produce a color change, which can be quantified spectrophotometrically to determine the sugar concentration in the sample.


What is a method for math in a estimation?

round or rounding


Range of coles method for estimation of reducing sugars?

The Coles method estimates reducing sugars by reacting them with 3,5-dinitrosalicylic acid (DNS) and measuring the absorbance at 540 nm. This method is commonly used for estimating reducing sugars in the range of approximately 0.1 to 2 mg/mL, but it may vary depending on the specific conditions of the assay and the sample being analyzed. It's important to validate the method within your laboratory for accurate quantification.


What is an invasive method of protein estimation?

gand mara


Can one cost estimation method can be used in combination with another method?

Yes. True


Can one cost estimation method be used in combination with another method?

Yes. True


One cost estimation method can be used in combination with another method.?

Yes. True