Dear Mr Ahmed, see the paper: RONALD R. MARQUARDT, A Simple Spectrophotometric Method for the Direct Determination of Uric Acid in Avian Excreta, Poultry Science (1983) 62 (10): 2106-2108. The measurement is made at 285 nm (UV), therefore, you don't need a chromophore. However, this method was applied to measure uric acid in bird excreta. Maybe you can adapt it. I hope that this helps you.

The uric acid blood test is used to detect high levels of this compound in the blood in order to help diagnose gout. The test is also used to monitor uric acid levels in people undergoing chemotherapy or radiation treatment for cancer. Rapid cell turnover from such treatment can result in an increased uric acid level. The uric acid urine test is used to help diagnose the cause of recurrent kidney stones and to monitor people with gout for stone formation. Normal results are between 3.5 and 7.2 milligrams of uric acid per deciliter of blood (mg/dL).The uric acid blood test is performed on a sample of the patient's blood, withdrawn from a vein into a vacuum tube. The procedure, which is called a venipuncture, takes about five minutes. The urine test requires the patient to collect all urine voided over a 24-hour period, with the exception of the very first specimen. The patient keeps the specimen container on ice or in the refrigerator during the collection period.The blood uric acid test measures the amount of uric acid in a blood sample.Uric acid is oxidized by uricase to produce allantoin and hydrogen peroxide. The hydrogen peroxide reacts with 4-aminoantipyrine (4-AAP) and

3,5-dichloro-2-hydroxybenzene sulfonate (DCHBS) in a reaction catalyzed by peroxidase to produce a colored product.

Dear Julio,

can you send pdf of your recommended paper?

RONALD R. MARQUARDT, A Simple Spectrophotometric Method for the Direct Determination of Uric Acid in Avian Excreta, Poultry Science (1983) 62 (10): 2106-2108.

Dear Mr Ahmed, I tried to make the download from my university, but we don't sign this journal. I also tried from web knowledge, but without success. I'm sorry. Maybe you can request the paper to  author. Prof. Dr. Marquadt is in the researchgate. See the link: https://www.researchgate.net/profile/Ronald_Marquardt/publications?sorting=newest&page=8. Good lucky. 

Thanks Julio

If you have reference uric acid TLC will be useful.

Dear Mr Ahmed, Did you get the article? I'm trying to obtain the paper through another university. If you want, I send for you. Give me your email through message system of this site. Kind regards.

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Dear Mr Ahmed, checks your email. I sent the paper. See if the file containing the article is ok. I hope that this helps you.

Dear Julio

I am working with poultry and  need to measure the uric acid concentration from excreta. I am also searching the paper which you mention earlier for Salman Ahmad (Marquardt, R. R. (1983). A simple spectrophotometric method for the direct determination of uric acid in avian excreta. Poultry Science, 62(10), 2106-2108)  but can not get access it. Is it possible to send me the copy of this paper?

Marijina plz mention your e-mail address.

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Delivery to the following recipient failed permanently

Please give another e-mail address

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Kindly check your e-mail. I have sent your required article.

SALMAN AHMED

Ph.D Fellow