Malaiyappan Raja

• Doctor of Philosophy
• Professor (Assistant) at Loyola College

Mosquitoes are a serious menace and they are a vector of pathogens such as malaria, filarial worm, Japanese encephalitis and dengue. Culex sp., a known mosquito species is a vector of the filarial worm causing filariasis. In recent times, there has been a rise in the insecticidal resistance among mosquitoes. This has paved the need for development...

Earthworms are soil-based organisms of agricultural importance which have been referred by all as the "farmer's friend''. The exposure of soil to heavy metals are of serious concern. Chemically synthesized pesticides, heavy metals are of great concern to the environmentalists as well as the end users. Nanoparticles are materials which are one-billi...

Mastitis is caused by bacteria acquired from the environment and is more predominant in milk yielding cows. Although generally self-limiting, bovine mastitis is a condition with multiple etiologies. Coliform mastitis is caused by Escherichia coli which are the common inhabitants of the gastrointestinal tract. E coli infection of the udder is due to...

In recent decades, nanotechnology is growing rapidly owing to its widespread application in science and industry. The biological approach to synthesis of nanoparticles is eco-friendly and an ideal method to develop environmentally sustainable nanoparticles alternative to existing physical and chemical methods. The aim of the experiment was to biolo...

Evaluation of entomopathogenic fungal formulations pacilomyces lilacinus and verticilium laccani against larvae of Musca domestica M Raja, V Vinolia, K Mary Stella Centre for Insect Molecular Studies and Environmental Studies (CIMSER), PG and Research Department of Advanced Zoology and Biotechnology, Loyola College, Chennai, Tamil Nadu, India Abst...

The family Cruciferae contains species of great economic importance, providing much of the world's winter vegetables. These include cabbage, broccoli, cauliflower, Brussels sprouts, turnip, radish, rapeseed and mustard. Among the vegetable brassicas in India, cabbage is grown on a large scale accounting to 10% of the world production. Microbial con...

Severe infestation of an Aleyroid was noticed under surface of the leaves syzigium cumini in Chennai.

ARTICLE INFO ABSTRACT The quantity and quality of the salivary total protein, albumin, and α among the 25 healthy people. The salivary components were estimated before and after coffee consumption. The albumin and α protein was increased after coffee consumption.

The study has been designed for the evaluation of powder extract of Salacia Oblanga for hypolipidemic activity, biochemical changes in normal and Aluminium toxicity induced White Albino Wistar Female Rats. Oral administration of Salacia extract and Aluminium chloride for two weeks significantly lowered the serum alkaline Phosphatase, Serum Aspartat...

Malaria The purpose of this study is to evaluate the effect of salivary composition (Protein, albumin and α-amylase) before and after smoking. The samples were collected from 25 healthy people and tested. The salivary components of protein, albumin and amylase are before cigarette consumption (1.5020, 0.4480 and 1948.90) and after cigarette consump...

The evaluation of powder extract of changes in normal and Aluminium toxicity induced White Albino Wistar Female Rats. In conclusion, exposure to Aluminium has resulted in a decrease in erythrocyte, peripheral erythrocyte count and blood hemoglobin during short term exp be back to normal serum when exposure was continued for a further period of 7 da...

An antioxidant is an organic chemical compounds that inhibits the oxidation of other organic molecules which present in the body. Oxidation is a chemical reaction in which the oxygen molecules are added and Hydrogen molecules were cleaved, this process can eventually produce free radicals, leads to chain reactions that may damage the cells. Antioxi...

The thirst for optimal coronary stenting continues by further innovations in stent design and by using biocompatible materials other than cobalt chromium, platinum chromium or stainless steel for engineering coronary implants. Herein we provide a comprehensive overview of the current status of these technologies, we elaborate on the potential benef...

In the present study, the Hymenopterans wasp Vespa velutina (Asian yellow-legged hornet), Vespa affinis (Lesser banded hornet) and Vespula squamosa (Southern yellow jacket) venom protein Phospholipase A1 sequences were selected for In-silico analysis. The venom protein sequence was retrieved from the UniProtKB protein database, using those sequence...

Vespidae is a cosmopolitan family of order Hymenoptera popularly called as wasps. Hyaluronidase is found in the venom and saliva of stinging insects. Hyaluronidase (HYases) is the major allergen in the venoms of bees, hornets, and scorpions. The Asian hornet Vespa velutina venom protein Hyalouronidase (HYases) sequence was selected for present in-s...

Bakery products are influenced by many factors including the ingredients used and the processing environment. The Musk melon and Jackfruits seed were separated and grinded. The analysis of musk melon flour, jackfruit flour and wheat flour gave the proximate composition and the results obtained. Jack fruit and musk melon seed flour cake was prepared...

Bakery products are influenced by many factors including the ingredients used and the processing environment. The Musk melon and Jackfruits seed were separated and grinded. The analysis of musk melon flour, jackfruit flour and wheat flour gave the proximate composition and the results obtained. Jack fruit and musk melon seed flour cake was prepared...

The housefly, Musca domestica L., is a common vector of several bacteria, protozoan, and viral diseases. The botanical pesticides seem to be effective in controlling the domestic insect pest Musca domestica. The seed extract of soapnut disrupts the activity of enzymes of larvae & pupae and inhibits the growth.The mortality was counted up today 6. H...

Studies were conducted at three localties in Tamil Nadu with varied ambient temperature ranges in cabbage, to document the population dynamics of key pests. Among the pests observed Lepidoptera occupied 46% followed by Hemiptera 27%, Coleoptera 9%, Orthoptera 9% and Acari 9%. The results revealed that there is high level of incidence in low tempera...

Successful cultivation of cabbage is hampered due to the incidence of defoliator pests like the diamondback moth (DBM), Plutella xylostella (L.) (Lepidoptera: Plutellidae), the cabbage cluster caterpillar, Crocidolomia pavonana (F.) (Lepidoptera: Pyralidae), the cabbage webworm, Hellula undalis Zeller (Lepidoptera: Pyralidae) and the tobacco caterp...

The aphid (Brevicoryne brassicae) is an important pest of cabbage. Fusarium pallidoroseum isolated from cadaver of Calotropis aphid and cabbage aphid were evaluated as biocontrol agent against cabbage aphid B. brassicae. The fungal spore suspension was adjusted with 1x 10 6 , 1x 10 7 , 1x 10 8 and 1x 10 9 conidia/ml. Cent percent mortality was obse...

The aphid (Brevicoryne brassicae) is an important pest of cabbage. Fusarium pallidoroseum isolated from cadaver of Calotropis aphid and cabbage aphid were evaluated as biocontrol agent against cabbage aphid B. brassicae. The fungal spore suspension was adjusted with 1x 10 6 , 1x 10 7 , 1x 10 8 and 1x 10 9 conidia/ml. Cent percent mortality was obse...

Variations in esterase pattern and genetic similarity of six populations (Madurai, Nagapattinam, Coimbatore, Thiruvannamalai, Chennai and Vellore) of Callosobruchus maculatus were assessed. Among the populations studied, esterase pattern of the Coimbatore population is distinctly different then the other populations. PCR-DNA analysis showed similar...

Persistence of insecticide carbofuran and its compatibility with two biopesticides viz., Trichoderma viride and Pseudomonas fluorescens and a biofertilizer Azospirillum was studied in rice ecosystem. The residue analysis using HPLC revealed that carbofuran persists up to seven days with faster dissipation in soil than water and the organism is also...

The essential oils of plants namely Citronella (Cymbopogan winterianus), Citrodora (Eculyptus citrodora), Lemon grass (Cymbopogan flexuosus), Vetiver (Vetiveria zizanioides) and Palmorosa (Cymbopogan martini) were tested for their insecticidal and ovicidal activities against adults and eggs of Callosobruchus maculatus at 5% concentration at 96 h of...

Biological diversity of insect has undergone changes over a period of time. A variety of factors influence the diversity and species dynamics of insects. Insects occur in a wide range of habitats and have acquired specific adaptations for feeding habits, behaviour patterns and other biological features that contribute to their diversity. Insects co...