FINGERNAIL DRUG TESTING

Fingernail drug testing is a non-invasive method of drug screening that analyzes drug metabolites and substances stored in the keratin of fingernails. This method provides a longer window of detection compared to traditional urine tests and is useful for monitoring long-term drug use history.

DNA analysis through fingernail samples, often termed fingernail DNA profiling, is a method for extracting and scrutinizing DNA obtained from nail clippings. This approach finds utility across various fields such as forensic examinations, establishing paternity, medical diagnostic processes, and tracing genealogy. Here is a brief description of the steps involved and their relevance:

1. Collecting Samples: The process initiates with acquiring fingernail clippings from individuals. This step must be executed with precision to avoid contamination and ensure the DNA remains intact for analysis.

2. Extracting DNA: Following collection, the DNA is extracted in a controlled lab environment. This stage involves applying certain techniques to dissolve the nail's cellular structure, allowing the separation of DNA.

3. Analyzing DNA: The isolated DNA undergoes analysis using methodologies like the polymerase chain reaction (PCR), gel electrophoresis, and sequencing. These procedures enable the examination of the DNA's specific segments, facilitating the identification of unique patterns or variations within the genetic material.

This streamlined approach enables the detailed examination of genetic data for various applications, from legal disputes to genetic research and beyond.

Demonstration video to show how to collect fingernails. 

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