STUDY ON THE EVOLUTION OF MOSQUITO REPELLENTS By:- Rajdeep Laha Calcutta Business School PGDM 2010-12 OVERVIEW Traditionally‚ various types of substances have been used to repel mosquitos. These include such things as smoke‚ plant extracts‚ oils‚ tars‚ and muds. As insect repellent technology became more sophisticated‚ individual compounds were discovered and isolated. This allowed the formulation of new‚ more efficient forms of mosquito repellents. The first truly effective active
Free
INSECTS Insects‚ being larger and having a hard‚ chitinous and therefore impermeable exoskeleton‚ have a more specialised gas exchange system. Insects have no transport system so gases need to be transported directly to the respiring tissues. There are tiny holes called spiracles along the side of the insect. The spiracles are openings of small tubes running into the insect’s body‚ the larger ones being called tracheae and the smaller ones being called tracheoles. The ends of these tubes‚ which
Premium Insect Arthropod Diffusion
Citronella leaf based herbal mosquito repellents using natural binders Nandini Rani‚ Aakanksha Wany‚ Ambarish Saran Vidyarthi and Dev Mani Pandey* Department of Biotechnology‚ Birla Institute of Technology‚ Mesra‚ Jharkhand- 835215‚ India * Corresponding author: Dev Mani Pandey‚ email: dmpandey@bitmesra.ac.in Received: 15 April 2013 Accepted: 27 April 2013 Online: 04 May 2013 ABSTRACT Citronella grass has been serving from years as a mosquito repellent in the field of ancient and modern
Premium
Science High School Salvador St.‚ Labangon Cebu City Effectiveness of Lemon Grass (Cymbopogon marginatus) as an ingredient of a insect repellent fabric conditioner In partial fulfillment of the course Integrative Biology Submitted by: Homecillo‚ Danielle S. Calumpang‚ Claire R. Pleños‚ Claire Y. Submitted to: Mrs. Alita Labiaga Abstract Insect repellents are essentially needed these days. The frequent occurrences of floods nowadays lead to the increasing cases of Dengue. The abundance
Premium Mosquito
cuisine by Adrian Forsyth Can Insects Help with Food Shortage in the World? As the number of humans increase‚ we will have to look for new sources of food. In some cultures‚ insects have been consumed for thousand of years‚ and many countries in the world such as China‚ Thailand‚ South America and Africa use insects as a delicacy and for snacks because they are tasty and nutritious‚ high in protein‚ and low in carbohydrates. One of the advantages with insects is their abundance and that
Free Nutrition Vitamin Insect
control efforts difficult. A comprehensive classification by species‚ country and habitat‚ including potential environmental management measures‚ is presented in the Manual on Environmental Management for Mosquito Control (WHO‚ 1982). Insect vectors represent the largest group of disease transmitting agents. In most cases and for the most widespread diseases‚ mosquitoes are the main vectors. As a matter of fact‚ many people are suffering from mosquito-borne diseases in which dengue fever
Premium Mosquito Dengue fever Malaria
in Science IV CHAPTER 1: Cacao Leaves as Natural Insect Repellant This study is a experimental research and was conducted to establish the efficacy of cacao leaves decoction on the treatment of escalation of insects. To abolish the use of DEET (N‚N-diethyl-3- methylbenzamide)‚ a chemical formulation developed during World War II by the U.S. Army; unfortunately‚ some people have an allergic reaction to such products. And to persuade others to use natural insect repellents. INTRODUCTION Objectives:
Free Mosquito
Insects Insects are neumerout invertebrate animals that belong in the Phylum Arthropoda and Class Insecta. The class Insecta is divided into 2 subclasses: Apterygota‚ or wingless insects‚ and Pterygota‚ or winged insects. Subclass Pterygota is futher divided on basis of metamorphosis. Insects that have undergone incomplete metamorphosis are the Exopterygota. Insects that undergo complete metamorphosis are the Endopterygota. Insects have an outer bilateral exoskeleton to which the muscles are
Premium Insect Arthropod
Division of Laguna District of San Pedro PACITA COMPLEX NATIONAL HIGHSCHOOL Sampaguita St. Phase. 6A-1 Pacita Complex I Brgy. San Vicente San Pedro‚ Laguna Tel. and fax No. (02) 8475316 E-mail: pcnhs_m2c99@yahoo.com OREGANO MOSQUITO REPELLENT A Science Investigatory Project (S.I.P) presented to the Science Teacher of PCNHS By: Jade Congcong Elizabeth Jacinto Zyra Calibara Anndrie Gaspar Tricia Arcabos Neale Teope September 24‚ 2014 Republic of Philippines
Premium Laguna Philippines
Gliricidia Sepium is known as Madre de Cacao or Kakawate. Madre de Cacao is common here in the Philippines. This plant has a great benefits in treatment on the skin and also it is use for antimicrobial. This plant is a natural insect repellant. It is toxic to humans when it mixed with rice or maize ( also known as corn ) which is use as rat killer. The researchers choose this kind of plant is because it has a capability to kill parasitic
Premium