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Draughtsman Appearance: Colonies Structure & Morphology

Draughtsman Appearance of Colonies

Streptococcus pneumoniae (pneumococci), a human microbial pathogen, responsible for pneumatic infection in the 19th century. And it can be diagnosed by Draughtsman Appearance of their colonies. Draughtsman appearance is an indicative culture-based test for Pneumococcus (Streptococcus pneumoniae). They are usually seen in 24 – 48 hrs of prolonged incubation in blood agar as young alpha-hemolytic […]

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Paltauf Hemorrhage: Causes, Symptoms [Forensic Medicine]

Paltauf Hemorrhages seen in

In this post, we had listed down the causes, signs, color, and mechanism of Paltauf Hemorrhage along with frequently asked questions. What is Paltauf Hemorrhage? Hemorrhages on the anterior surface of the lungs, present subpleurally with shining pale pink or bluish-red in color, usually of 1cm to 2cm in diameter are called Paltauf hemorrhages. They

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Age Estimation From Teeth: All Forensic Odontology Tables Included

Dental Age Estimation From Teeth: All Tables Included

Estimation of age from teeth is quite a viable tool in human identification. There are many age determination methods to determine the relative age of a person, and with this article, we try to cover all the dental age estimation techniques that are important for the examination point of view. So, in this concise article

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Mortar and Concrete Analysis: Forensic Aspects & Chemical Tests

Mortar and Concrete Analysis ans sampling

While dealing with forensic evidence related to structural failure or to know the reason behind it, cement, mortar, and concrete analysis is performed. In Forensic Mortar and Concrete Analysis, chemical tests such as the percentage of cement in a mortar, EDTA titration test is done for mortar analysis, while for concrete analysis silica test, chlorine

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Adulteration of Cement: Test, Chemical & Instrumental Analysis

adulteration of cement

Forensic analysis of cement is majorly performed when there is a possibility of adulteration in cement samples. In analysis, one of the key steps is to identify which type of adulterant is used with cement. So, in general terms, it is defined as: Adulteration of cement is characterized as the addition of extra components to

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Vacuum Metal Deposition (VMD): Principle, Types & Components

Vacuum Metal Deposition VMD fingerprint development

Vacuum metal deposition (VMD) is probably one of the most sensitive fingermark detection and development techniques that are used in developing forensic fingerprints.  VMD is also capable of developing bloody fingerprints for nonporous surfaces as well as semi-porous surfaces like woods and some fabrics. This article on “Vacuum metal depositions (VMD)” focuses on the history

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