Related Experiment Video
Updated: Jan 22, 2026
09:17
Using a Virtual Store As a Research Tool to Investigate Consumer In-store Behavior
Published on: July 24, 2017
11.8K
How should living entomological samples be stored?
V Bugelli1,2, C P Campobasso3, R Zehner4
1Department of Medicine and Health Sciences (DiMeS), University of Molise, Via De Sanctis, 86100, Campobasso, Italy. vale.buge@gmail.com.
International Journal of Legal Medicine
|July 1, 2019
Summary
Temporary storage of insect evidence significantly impacts survival and growth. Cold temperatures with oxygen and food supply are recommended for preserving forensic entomology samples, especially for blow fly larvae.
Area of Science:
- Forensic Entomology
- Entomology
- Insect Biology
Background:
- Proper handling of insect evidence is crucial in forensic entomology.
- Survival and growth rates of insect evidence can be affected by storage conditions.
Purpose of the Study:
- To investigate the impact of cooling and storage on insect evidence before laboratory analysis.
- To determine optimal conditions for preserving insect evidence, focusing on blow fly larvae.
Main Methods:
- Larval stages of Lucilia sericata and Calliphora vicina were subjected to different storage conditions (room temperature vs. refrigeration) for 24 hours.
- Simulated transport conditions involved storage at 6-8°C for 8 hours without air or food.
- Mortality rates, interim growth, and adult eclosion were assessed and compared to a control group.
Main Results:
- A 24-hour temporary storage halted larval growth, particularly in early stages.
- High mortality rates (up to 100%) were observed in third instar larvae stored without air supply.
- Oxygen supply significantly reduced mortality in L3 larvae of L. sericata.
Conclusions:
- Temporary storage significantly impacts insect evidence, necessitating careful handling.
- Cold storage with oxygen and food supply is recommended for preserving insect evidence.
- Rapid delivery and improved storage procedures, including air supply, are vital for last instar larvae.
More Related Videos
Related Concept Videos
01:12Energy Stored in a Capacitor
4.6K
When an archer pulls the string in a bow, he saves the work done in the form of elastic potential energy. When he releases the string, the potential energy is released as kinetic energy of the arrow. A capacitor works on the same principle in which the work done is saved as electric potential energy. The potential energy (UC) could be calculated by measuring the work done (W) to charge the capacitor.
4.6K
01:10Energy Stored in Capacitors
1.1K
A parallel plate capacitor, when connected to a battery, develops a potential difference across its plates. This potential difference is key to the operation of the capacitor, as it determines how much electrical energy the capacitor can store.
By integrating the equation that relates voltage and current in a capacitor, one can derive an equation for the voltage across the capacitor at any given time. This equation is crucial in understanding and predicting the behavior of capacitors in...
By integrating the equation that relates voltage and current in a capacitor, one can derive an equation for the voltage across the capacitor at any given time. This equation is crucial in understanding and predicting the behavior of capacitors in...
1.1K
01:16Energy Stored in Inductors
919
An inductor is ingeniously crafted to accumulate energy within its magnetic field. This field is a direct result of the current that meanders through its coiled structure. When this current maintains a steady state, there is no detectable voltage across the inductor, prompting it to mimic the behavior of a short circuit when faced with direct current.
In terms of gauging the energy stored within an inductor, it is equivalent to the integral of the power delivered at every individual moment, all...
In terms of gauging the energy stored within an inductor, it is equivalent to the integral of the power delivered at every individual moment, all...
919
01:26Energy Stored in a Capacitor: Problem Solving
1.7K
In 1749, Benjamin Franklin coined the word battery for a series of capacitors connected to store energy. Capacitors store electric potential energy that can be released over a short time. This property means capacitors have a wide range of applications.
Capacitor-discharge ignition is a type of ignition system commonly found in small engines where the energy released from a capacitor ignites an induction coil that, in turn, fires the spark plug.
To calculate the energy stored in a capacitor of...
Capacitor-discharge ignition is a type of ignition system commonly found in small engines where the energy released from a capacitor ignites an induction coil that, in turn, fires the spark plug.
To calculate the energy stored in a capacitor of...
1.7K
01:31Energy Stored In A Coaxial Cable
2.0K
A coaxial cable consists of a central copper conductor used for transmitting signals, followed by an insulator shield, a metallic braided mesh that prevents signal interference, and a plastic layer that encases the entire assembly.
In the simplest form, a coaxial cable can be represented by two long hollow concentric cylinders in which the current flows in opposite directions. The magnetic field inside and outside the coaxial cable is determined by using Ampère's law. The magnetic field inside...
In the simplest form, a coaxial cable can be represented by two long hollow concentric cylinders in which the current flows in opposite directions. The magnetic field inside and outside the coaxial cable is determined by using Ampère's law. The magnetic field inside...
2.0K
01:18Sampling Methods: Sample Types
3.1K
Sampling materials are classified into three main types: solid, liquid, and gas.
Solid samples include a variety of substances, such as sediments from water bodies, soil, metals, and biological tissues. Two standard methods for extracting sediments from water bodies are grab sampling and piston coring. Grab sampling involves using a device to collect a discrete sediment sample from the bottom of a water body with minimal disturbance. Grab samples do not always represent the entire area due to...
Solid samples include a variety of substances, such as sediments from water bodies, soil, metals, and biological tissues. Two standard methods for extracting sediments from water bodies are grab sampling and piston coring. Grab sampling involves using a device to collect a discrete sediment sample from the bottom of a water body with minimal disturbance. Grab samples do not always represent the entire area due to...
3.1K