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What is o-phthaldehyde?
O-phthaldehyde (OPA) is a small fluorscent molecule that reacts with primary amines, predominantly lysines and N-termins amines, in aqueas solutions at room temperature. It is used to determine the total concentration of protein in a sample. OPA can be used within a concentration of 1µg/ml - 1 mg/ml. Because it will react with N-terminus amines, it is a good choice for assays of small peptides that may not have enough amino acids to be detected by Bradford, BCA or Lowry protein assays.
What is the difference between a qualitative and a quantitative assay?
In assays, or medical tests, both qualitative and quantitative tests occur. The qualitative test identifies the presence or absence of the pathogen or toxin (or other molecule) being tested for, while the quantitative test hopes to measure how much of that particular substance is in the body.
How many sums equal 76?
Infinitely many. Infinitely many. Infinitely many. Infinitely many.
How much chords can there be in a circle?
Infinitely many. Infinitely many. Infinitely many. Infinitely many.
How many hours is how many hours is how many hours is 4130 miles flying?
so many hours
What is molecular assays?
Molecular assays are laboratory techniques that detect and analyze the genetic material (DNA or RNA) of organisms. These assays are used to identify specific genes, mutations, or pathogens, and are widely used in research, diagnostics, and pharmaceutical development. Examples of molecular assays include polymerase chain reaction (PCR), next-generation sequencing (NGS), and hybridization assays.
What are four different ways scientists get information about the history of species?
1. Comparative genomics assays. 2. Comparative morphology assays. 3. Combining comparative genomics and morphology assays. 4. ...?
In what field of work involves the use of assays?
Assays is a procedure to analyze or quantify a substance in a sample to determine the presence and amount, as well as the potency. The fields that involve the use of assays are environmental biology, laboratory medicine, pharmacology, and molecular biology.
What has the author Mario Serio written?
Mario Serio has written: 'Luminescent Assays'
What are the advantage of radioimmunoassay?
higher sensitivity, easy signal detection, and well-established, rapid assays
What was luminol originally used for?
used by biologists in cellular assays for the detection of copper, iron, and cyanide.
What are the benefits of using the TaqMan Gene Expression Assays?
TaqMan Gene Expression Assays consist of a pair of unlabeled PCR primers and a TaqMan probe with a FAM or VIC dye label on the 5' end, and minor groove binder (MGB) nonfluorescent quencher (NFQ) on the 3' end.
What are the type of biochemical assays in HTS?
Check out Inglese et al., Nature (3) 8. August 2007.
What has the author Janette Mary Sullivan written?
Janette Mary Sullivan has written: 'Peptide derivatives for proteinase assays'
What is the significance of NADH absorbance in biochemical assays?
NADH absorbance is significant in biochemical assays because it can be used to measure the activity of enzymes involved in cellular respiration. Changes in NADH absorbance indicate the conversion of NADH to NAD by enzymes, providing valuable information about metabolic processes and enzyme function.
What are some common strategies for troubleshooting Elisa assays?
Some common strategies for troubleshooting Elisa assays include checking reagent quality, optimizing incubation times and temperatures, verifying proper washing steps, ensuring correct sample dilutions, and troubleshooting any issues with the plate reader or software.
What is the use of spectrophotometer in biotechnology?
Spectrophotometers are used in biotechnology to quantify the amount of biomolecules like DNA, RNA, and proteins in samples. By measuring the absorbance of light at specific wavelengths, spectrophotometers can provide information about the concentration and purity of nucleic acids and proteins, which is crucial for many biotechnological applications such as PCR, DNA sequencing, and protein assays.
