what does a positive result look like for protein?
604572
Biuret Test: The Biuret Test is a general test for proteins. When a protein reacts with copper(II) sulfate (blue), the positive test is the formation of a violet colored complex. The Biuret Test works for any compound containing two or more of the following groups.
909832
The only way to know if you have protein in your urine is to have a urine test. The test for protein in the urine measures the amount of albumin in your urine, compared to the amount of creatinine in your urine.
60286
The results for negative specimens are typically released within 3 business days and positive results are typically released within five business days from when they are accessioned at the laboratory. There are many factors that can impact the release time, including the workload at the laboratory and delivery times.
122792
A positive result means that a person has a high amount of LH in their system. LH levels drop after ovulation, so the tests only show positive results during fertile periods.
89299
"False Positive" Results The test may be measuring your response to the undigested food proteins. It is possible that after digestion, the food protein that enters your bloodstream is no longer detected by your IgE. The test may be detecting proteins that are similar among foods but do not trigger allergic reactions.
761346
['Colour and Taste. Proteins are colourless and usually tasteless. ... ', 'Shape and Size. The proteins range in shape from simple crystalloid spherical structures to long fibrillar structures. ... ', 'Molecular Weight. ... ', 'Colloidal Nature. ... ', 'Denaturation. ... ', 'Amphoteric Nature. ... ', 'Ion Binding Capacity. ... ', 'Solubility.']
282298
Negative results mean that no antibodies against TPO, Tg, or TSH were found. You likely don't have a problem with your thyroid. If your results show antibodies against TPO or Tg, you may have Hashimoto's thyroiditis. If your results show antibodies against TSH receptor, you may have Graves disease.
593693
Part A: Salivary Amylase Results. A positive result for the iodine test (starch is present) was a colour change ranging from violet to black; a negative result (no starch) was the yellow colour of the iodine solution.
591150
After 2 minutes you can read your results in the result window. A '+' (plus) symbol indicates your result is 'Pregnant' A '-' (minus) symbol indicates your result is 'Not Pregnant' It does not matter if one of the two lines forming the '+' symbol is lighter or darker than the other. The result is still 'Pregnant'.
1441622
If you have been tested for HIV infection, you may be told that the result is 'reactive'. While this is sometimes described as a 'positive' result, it could be a false positive. The result indicates that the test has reacted to something in your blood and this should be investigated further.
394109
The total protein test measures the total amount of protein in your blood and specifically looks for the amount of albumin and globulin. This test will also look at the ratio of albumin to globulin in your blood. This is known as the “A/G ratio.”
942026
A blue line must be present in the control window when you read your result. This line shows that the test has worked. It does not matter if one of the lines that make up the '+' symbol is lighter or darker than the other; the result is 'Pregnant' (positive).
738302
In just 2 minutes you can read your clear + or – results. A '+' (plus) symbol indicates your result is 'Pregnant'. A '-' (minus) symbol indicates your result is 'Not Pregnant'. A blue line must be present in the control window when you read your result.
1426804
Read your results A blue line must be present in the control window when you read your result. This line shows that the test has worked. It does not matter if one of the lines that make up the '+' symbol is lighter or darker than the other; the result is 'Pregnant' (positive).
323785
How Long Does It Take for the Unit to Receive Test Results? Negative results are usually posted on the web portal for program managers within 1-3 day(s) from the time specimens are received at the lab. Positive results are usually posted on the portal within 3-5 days from the time specimens are received at the lab.
887105
Read your results A '-' (minus) symbol indicates your result is 'Not Pregnant'. A blue line must be present in the control window when you read your result. This line shows that the test has worked. If no blue line appears in the control window within 10 minutes the test has not worked.
247995
Out of the 3,096 tests that report positive results, 2,997 (97%) are false positives, and only 99 (3%) are correct. The probability that you actually have D, when you're given a positive test result, is just 3%, so we can say that the positive predictive value (PPV) of this test is 3% — for a test that is 98% accurate!