Forensic Biology has been expanded today with various molecular biology discoveries and technological advances. Numerous methods adopted by forensic laboratories include Polymerase Chain Reaction, Fragment Analysis, Software systems, and automatic liquid handling methods. Progression of Sanger sequencing, Next Generation sequencing, Mitochondrial analysis is the widely accepted technologies and tools for solving criminal cases. Beyond Fingerprint …
Phenol Chloroform Extraction is a method used for extracting DNA from blood stains and liquid blood. Bloodstains or liquid blood are placed in a centrifuge tube. The stain extraction buffer (salts, detergents, buffer,10mm tris,100 mm NaCl, 39Mm Dithioreitol (DTT) ,10 Mm EDTA, 2% SDS (sodium dodecyl sulfate) is added. Salts and detergents help solubilize cell …
Human DNA has a very significant role in crime scene investigation by bringing the culprit in front of justice and in exonerating the innocent. Domestic animals such as cats and dogs living in human habitat deposit hairs can aid in finding the suspect related to a crime. The botanical specimen found in the victim’s body …
Meaning Horticultural therapy is the art of healing with plants. It employs plants and gardening activities in therapeutic and rehabilitation activities to improve well being of humans. Horticultural therapy is also known as Social and Therapeutic Horticulture(STH). It has been defined by AHTA(American Horticulture Therapy Association)as the engagement of a person in gardening and plant-based …
STR (Short tandem repeat) genotyping is a forensic investigative tool used to identify alleles at specific loci between questioned and reference samples. STR genotyping is a method that employs polymerase chain reaction (PCR) instead of Restriction Fragment Length Polymorphism(RFLP).RFLP method uses restriction enzymes to cut the DNA.STR amplicons are separated and detected using Capillary Electrophoresis. …
Benefits of Aloe vera People’s outlook has been changing day by day. The majority of them are seeking to improve their quality of life. The focus is mainly on disease prevention. Medicinal plant consumption is increasing day by day in different countries due to its proven effectiveness in scientific societies and acceptance by human societies …
Colin Pitchfork was the first convicted murderer and rapist found using DNA typing. He was caught as a result of mass DNA screening. Pitchfork lived in a village in the county of Leicestershire, England. He was working in Hampshires Bakery until he was arrested for the crimes. In 1983, Lynda Mann was sexually assaulted and …
History of Forensic DNA profiling DNA profiling-In August 1999, a young student at the University of Virginia student was sexually assaulted and raped after pointing a gun at her by the assailant. The things inside the house were stolen. The girl was asked to have a shower by the assailant so that any trace of …
Saddam Hussein – Forensic biology One of the missions of United States military service during the Iraq war in March 2003 was to capture and kill “Saddam Hussein” who was the dictator of Iraq who threatens the world by using his power. Saddam was known to have ‘stunt doubles’ to protect his life. After capturing …
How Forensic Biology aided to identify Saddam Hussein? Read More »
DATA PREPROCESSING Data Preprocessing is a technique that is used to convert the raw data into a clean data set. In machine learning, data preprocessing is the vital and fundamental step to structure the data in a way, so that the model fits perfectly to get accurate results. The data, whether it is big data …