Subjects -> ENGINEERING (Total: 2844 journals)
    - CHEMICAL ENGINEERING (259 journals)
    - CIVIL ENGINEERING (255 journals)
    - ELECTRICAL ENGINEERING (182 journals)
    - ENGINEERING (1420 journals)
    - ENGINEERING MECHANICS AND MATERIALS (454 journals)
    - HYDRAULIC ENGINEERING (60 journals)
    - INDUSTRIAL ENGINEERING (101 journals)
    - MECHANICAL ENGINEERING (113 journals)

ENGINEERING (1420 journals)                  1 2 3 4 5 6 7 8 | Last

Showing 1 - 200 of 1205 Journals sorted alphabetically
3 Biotech     Open Access   (Followers: 9)
3D Research     Hybrid Journal   (Followers: 22)
AAPG Bulletin     Hybrid Journal   (Followers: 11)
Abstract and Applied Analysis     Open Access   (Followers: 4)
Aceh International Journal of Science and Technology     Open Access   (Followers: 9)
ACS Nano     Hybrid Journal   (Followers: 452)
Acta Geotechnica     Hybrid Journal   (Followers: 7)
Acta Metallurgica Sinica (English Letters)     Hybrid Journal   (Followers: 10)
Acta Nova     Open Access   (Followers: 1)
Acta Polytechnica : Journal of Advanced Engineering     Open Access   (Followers: 4)
Acta Scientiarum. Technology     Open Access   (Followers: 3)
Acta Universitatis Cibiniensis. Technical Series     Open Access   (Followers: 1)
Active and Passive Electronic Components     Open Access   (Followers: 8)
Adaptive Behavior     Hybrid Journal   (Followers: 9)
Adsorption     Hybrid Journal   (Followers: 5)
Advanced Energy and Sustainability Research     Open Access   (Followers: 8)
Advanced Engineering Forum     Full-text available via subscription   (Followers: 14)
Advanced Engineering Research     Open Access  
Advanced Journal of Graduate Research     Open Access   (Followers: 4)
Advanced Quantum Technologies     Hybrid Journal   (Followers: 1)
Advanced Science     Open Access   (Followers: 13)
Advanced Science Focus     Free   (Followers: 7)
Advanced Science Letters     Full-text available via subscription   (Followers: 13)
Advanced Science, Engineering and Medicine     Partially Free   (Followers: 11)
Advanced Synthesis & Catalysis     Hybrid Journal   (Followers: 20)
Advanced Theory and Simulations     Hybrid Journal   (Followers: 5)
Advances in Catalysis     Full-text available via subscription   (Followers: 8)
Advances in Complex Systems     Hybrid Journal   (Followers: 12)
Advances in Engineering Software     Hybrid Journal   (Followers: 31)
Advances in Fuel Cells     Full-text available via subscription   (Followers: 20)
Advances in Fuzzy Systems     Open Access   (Followers: 5)
Advances in Geosciences (ADGEO)     Open Access   (Followers: 22)
Advances in Heat Transfer     Full-text available via subscription   (Followers: 30)
Advances in Human Factors/Ergonomics     Full-text available via subscription   (Followers: 27)
Advances in Magnetic and Optical Resonance     Full-text available via subscription   (Followers: 10)
Advances in Natural Sciences : Nanoscience and Nanotechnology     Open Access   (Followers: 36)
Advances in Operations Research     Open Access   (Followers: 14)
Advances in OptoElectronics     Open Access   (Followers: 6)
Advances in Physics Theories and Applications     Open Access   (Followers: 21)
Advances in Polymer Science     Hybrid Journal   (Followers: 54)
Advances in Porous Media     Full-text available via subscription   (Followers: 6)
Advances in Remote Sensing     Open Access   (Followers: 59)
Advances in Science and Research (ASR)     Open Access   (Followers: 8)
Aerobiologia     Hybrid Journal   (Followers: 4)
Aerospace Systems     Hybrid Journal   (Followers: 10)
African Journal of Science, Technology, Innovation and Development     Hybrid Journal   (Followers: 8)
AIChE Journal     Hybrid Journal   (Followers: 38)
Ain Shams Engineering Journal     Open Access   (Followers: 7)
Al-Nahrain Journal for Engineering Sciences     Open Access  
Al-Qadisiya Journal for Engineering Sciences     Open Access   (Followers: 2)
AL-Rafdain Engineering Journal     Open Access   (Followers: 3)
Alexandria Engineering Journal     Open Access   (Followers: 3)
AMB Express     Open Access   (Followers: 1)
American Journal of Applied Sciences     Open Access   (Followers: 27)
American Journal of Engineering and Applied Sciences     Open Access   (Followers: 12)
American Journal of Engineering Education     Open Access   (Followers: 20)
American Journal of Environmental Engineering     Open Access   (Followers: 16)
American Journal of Industrial and Business Management     Open Access   (Followers: 31)
Annals of Civil and Environmental Engineering     Open Access   (Followers: 3)
Annals of Combinatorics     Hybrid Journal   (Followers: 3)
Annals of Pure and Applied Logic     Open Access   (Followers: 6)
Annals of Regional Science     Hybrid Journal   (Followers: 10)
Annals of Science     Hybrid Journal   (Followers: 10)
Annual Journal of Technical University of Varna     Open Access   (Followers: 1)
Antarctic Science     Hybrid Journal   (Followers: 1)
Applicable Algebra in Engineering, Communication and Computing     Hybrid Journal   (Followers: 3)
Applicable Analysis: An International Journal     Hybrid Journal   (Followers: 2)
Applications in Energy and Combustion Science     Open Access   (Followers: 4)
Applications in Engineering Science     Open Access   (Followers: 1)
Applied Catalysis A: General     Hybrid Journal   (Followers: 8)
Applied Catalysis B: Environmental     Hybrid Journal   (Followers: 22)
Applied Clay Science     Hybrid Journal   (Followers: 6)
Applied Computational Intelligence and Soft Computing     Open Access   (Followers: 16)
Applied Engineering Letters     Open Access   (Followers: 5)
Applied Magnetic Resonance     Hybrid Journal   (Followers: 4)
Applied Nanoscience     Open Access   (Followers: 11)
Applied Network Science     Open Access   (Followers: 3)
Applied Numerical Mathematics     Hybrid Journal   (Followers: 6)
Applied Physics Research     Open Access   (Followers: 7)
Applied Sciences     Open Access   (Followers: 6)
Applied Spatial Analysis and Policy     Hybrid Journal   (Followers: 6)
Arab Journal of Basic and Applied Sciences     Open Access  
Arabian Journal for Science and Engineering     Hybrid Journal   (Followers: 5)
Archives of Computational Methods in Engineering     Hybrid Journal   (Followers: 6)
Archives of Thermodynamics     Open Access   (Followers: 13)
Arctic     Open Access   (Followers: 7)
Arid Zone Journal of Engineering, Technology and Environment     Open Access   (Followers: 2)
Arkiv för Matematik     Hybrid Journal   (Followers: 1)
ArtefaCToS : Revista de estudios sobre la ciencia y la tecnología     Open Access   (Followers: 1)
Asia-Pacific Journal of Science and Technology     Open Access  
Asian Engineering Review     Open Access  
Asian Journal of Applied Science and Engineering     Open Access   (Followers: 2)
Asian Journal of Applied Sciences     Open Access   (Followers: 2)
Asian Journal of Biotechnology     Open Access   (Followers: 9)
Asian Journal of Control     Hybrid Journal  
Asian Journal of Technology Innovation     Hybrid Journal   (Followers: 7)
Assembly Automation     Hybrid Journal   (Followers: 2)
ATZagenda     Hybrid Journal  
ATZextra worldwide     Hybrid Journal  
AURUM : Mühendislik Sistemleri ve Mimarlık Dergisi = Aurum Journal of Engineering Systems and Architecture     Open Access   (Followers: 1)
Australasian Journal of Engineering Education     Hybrid Journal   (Followers: 3)
Australasian Physical & Engineering Sciences in Medicine     Hybrid Journal   (Followers: 1)
Australian Journal of Multi-Disciplinary Engineering     Hybrid Journal   (Followers: 2)
Autocracy : Jurnal Otomasi, Kendali, dan Aplikasi Industri     Open Access  
Automotive and Engine Technology     Hybrid Journal  
Automotive Experiences     Open Access  
Automotive Innovation     Hybrid Journal   (Followers: 1)
Avances en Ciencias e Ingenierías     Open Access  
Avances: Investigación en Ingeniería     Open Access   (Followers: 6)
Balkan Region Conference on Engineering and Business Education     Open Access   (Followers: 2)
Bangladesh Journal of Scientific and Industrial Research     Open Access  
Basin Research     Hybrid Journal   (Followers: 6)
Batteries     Open Access   (Followers: 11)
Batteries & Supercaps     Hybrid Journal   (Followers: 7)
Bautechnik     Hybrid Journal   (Followers: 3)
Bell Labs Technical Journal     Hybrid Journal   (Followers: 29)
Beni-Suef University Journal of Basic and Applied Sciences     Open Access   (Followers: 3)
Beyond : Undergraduate Research Journal     Open Access  
Bhakti Persada : Jurnal Aplikasi IPTEKS     Open Access  
Bharatiya Vaigyanik evam Audyogik Anusandhan Patrika (BVAAP)     Open Access   (Followers: 1)
Bilge International Journal of Science and Technology Research     Open Access   (Followers: 1)
Biointerphases     Open Access   (Followers: 1)
Biomaterials Science     Full-text available via subscription   (Followers: 14)
Biomedical Engineering     Hybrid Journal   (Followers: 16)
Biomedical Engineering and Computational Biology     Open Access   (Followers: 14)
Biomedical Engineering Letters     Hybrid Journal   (Followers: 6)
Biomedical Engineering: Applications, Basis and Communications     Hybrid Journal   (Followers: 6)
Biomedical Microdevices     Hybrid Journal   (Followers: 9)
Biomedical Science and Engineering     Open Access   (Followers: 8)
Biomicrofluidics     Open Access   (Followers: 7)
Biotechnology Progress     Hybrid Journal   (Followers: 44)
Black Sea Journal of Engineering and Science     Open Access  
Botswana Journal of Technology     Full-text available via subscription   (Followers: 1)
Boundary Value Problems     Open Access   (Followers: 1)
Brazilian Journal of Science and Technology     Open Access   (Followers: 2)
Bulletin of Canadian Petroleum Geology     Full-text available via subscription   (Followers: 13)
Bulletin of Engineering Geology and the Environment     Hybrid Journal   (Followers: 15)
Bulletin of the Crimean Astrophysical Observatory     Hybrid Journal  
Cahiers Droit, Sciences & Technologies     Open Access   (Followers: 1)
Calphad     Hybrid Journal   (Followers: 2)
Canadian Geotechnical Journal     Hybrid Journal   (Followers: 30)
Canadian Journal of Remote Sensing     Full-text available via subscription   (Followers: 50)
Carpathian Journal of Electronic and Computer Engineering     Open Access  
Case Studies in Engineering Failure Analysis     Open Access   (Followers: 6)
Case Studies in Thermal Engineering     Open Access   (Followers: 8)
Catalysis Communications     Hybrid Journal   (Followers: 7)
Catalysis Letters     Hybrid Journal   (Followers: 3)
Catalysis Reviews: Science and Engineering     Hybrid Journal   (Followers: 9)
Catalysis Science and Technology     Hybrid Journal   (Followers: 13)
Catalysis Surveys from Asia     Hybrid Journal   (Followers: 4)
Catalysis Today     Hybrid Journal   (Followers: 8)
CEAS Space Journal     Hybrid Journal   (Followers: 6)
Cell Reports Physical Science     Open Access  
Cellular and Molecular Neurobiology     Hybrid Journal   (Followers: 2)
Central European Journal of Engineering     Hybrid Journal  
CFD Letters     Open Access   (Followers: 8)
Chaos : An Interdisciplinary Journal of Nonlinear Science     Hybrid Journal   (Followers: 3)
Chaos, Solitons & Fractals     Hybrid Journal   (Followers: 3)
Chaos, Solitons & Fractals : X     Open Access   (Followers: 1)
Chinese Journal of Catalysis     Full-text available via subscription   (Followers: 3)
Chinese Journal of Engineering     Open Access   (Followers: 2)
Chinese Journal of Population, Resources and Environment     Open Access  
Chinese Science Bulletin     Open Access   (Followers: 1)
Ciencia e Ingenieria Neogranadina     Open Access  
Ciencia en su PC     Open Access   (Followers: 1)
Ciencia y Tecnología     Open Access  
Ciencias Holguin     Open Access   (Followers: 2)
CienciaUAT     Open Access   (Followers: 1)
Cientifica     Open Access  
CIRP Annals - Manufacturing Technology     Hybrid Journal   (Followers: 11)
CIRP Journal of Manufacturing Science and Technology     Hybrid Journal   (Followers: 14)
City, Culture and Society     Hybrid Journal   (Followers: 27)
Clay Minerals     Hybrid Journal   (Followers: 9)
Coal Science and Technology     Full-text available via subscription   (Followers: 4)
Coastal Engineering     Hybrid Journal   (Followers: 14)
Coastal Engineering Journal     Hybrid Journal   (Followers: 9)
Coastal Engineering Proceedings : Proceedings of the International Conference on Coastal Engineering     Open Access   (Followers: 2)
Coastal Management     Hybrid Journal   (Followers: 30)
Coatings     Open Access   (Followers: 4)
Cogent Engineering     Open Access   (Followers: 3)
Cognitive Computation     Hybrid Journal   (Followers: 3)
Color Research & Application     Hybrid Journal   (Followers: 4)
COMBINATORICA     Hybrid Journal  
Combustion Theory and Modelling     Hybrid Journal   (Followers: 18)
Combustion, Explosion, and Shock Waves     Hybrid Journal   (Followers: 21)
Communications Faculty of Sciences University of Ankara Series A2-A3 Physical Sciences and Engineering     Open Access  
Communications in Numerical Methods in Engineering     Hybrid Journal   (Followers: 2)
Components, Packaging and Manufacturing Technology, IEEE Transactions on     Hybrid Journal   (Followers: 28)
Composite Interfaces     Hybrid Journal   (Followers: 10)
Composite Structures     Hybrid Journal   (Followers: 335)
Composites Part A : Applied Science and Manufacturing     Hybrid Journal   (Followers: 279)
Composites Part B : Engineering     Hybrid Journal   (Followers: 312)
Composites Part C : Open Access     Open Access   (Followers: 3)
Composites Science and Technology     Hybrid Journal   (Followers: 247)
Comptes Rendus : Mécanique     Open Access   (Followers: 2)
Computation     Open Access   (Followers: 1)
Computational Geosciences     Hybrid Journal   (Followers: 20)
Computational Optimization and Applications     Hybrid Journal   (Followers: 11)
Computer Applications in Engineering Education     Hybrid Journal   (Followers: 6)
Computer Science and Engineering     Open Access   (Followers: 21)

        1 2 3 4 5 6 7 8 | Last

Similar Journals
Journal Cover
Asian Journal of Biotechnology
Number of Followers: 9  

  This is an Open Access Journal Open Access journal
ISSN (Print) 1996-0700
Published by Science Alert Homepage  [61 journals]
  • Fractionated Ethanol Extract of Balanites aegyptiaca Fruit-Mesocarp Effect
           on Diabetes Mellitus Model Rats

    • Abstract: Background and Objective: Balanites aegyptiaca fruit is a useful source of hypoglycaemic remedy for management of diabetes in some part of Northern Nigeria. This study evaluated the effects of fractionated ethanol extracts of Balanites aegyptiaca fruit-mesocarp (BAFM) in streptozotocin-induced diabetic rats. Materials and Methods: Ethanol crude extract of BAFM was fractionated with water and ethyl acetate (1:1 v/v) then separated to obtain the specific extract-fraction. The extract-fractions were evaluated for antidiabetic activities in rats induced with diabetes. Diabetes mellitus was induced in male Wistar rats by intra-peritoneal injection of streptozotocin at a dose of 60 mg kg–1 body weight. Results: From the results, rats induced with diabetes were characterized by low serum insulin, hyperglycemia and decrease in body weights. Treatment with the extract-fractions of BAFM elevated serum insulin, lowered fasting blood glucose levels and reversed serum total cholesterol, triglyceride, low density lipoprotein cholesterol and very low density lipoprotein cholesterol levels, serum albumin and total protein. The aqueous fraction (AFF) was more comparable in lowering fasting blood glucose by 18.61% when compared to 24.62% by metformin. A significant increase in serum insulin levels was recorded in diabetic rats treated with AFF when compared to diabetic control rats and diabetic rats treated with ethyl acetate fraction. Conclusion: Both aqueous and ethyl acetate extract-fractions of BAFM exert hypoglycaemic, antihyperglycaemic and antilipidaemic effects. However, the aqueous fraction was more potent. This study is a step towards the isolation of bioactive components. Further research is needed to explore the bioactive component(s) responsible for the antidiabetic effects.
      PubDate: 31 January, 2020
       
  • Carcass and Meat Differentiation of Burnt and Stripped Sheeps in Benin

    • Abstract: Background and Objective: Post-mortem treatments, the cooling regime and the cutting method have a great influence on organoleptic quality of the meat such as the color and tenderness. The aim of this study was to evaluate meat quality of burnt sheep and stripped sheep in Benin. Material and Methods: Sixty samples of Longissimus dorsi, 30 burnt and 30 stripped Sahelian ewes in Cotonou slaughterhouse were used. Animals were all aged from 2-3 years and they were weighed before and after slaughter. Meat color, pH during 48 h post-mortem, loss of juice by cooking and tenderness were also measured. A sensory analysis (flavor, juiciness, tenderness and overall rating) of the boiled samples was carried out on small identical cubes of the meat. Results: The slaughtering lively weight and the hot carcass weight didn't vary from a type of dressing to another. Longissimus dorsi of burnt ewes has a lower red index, flavor and shear force than that of stripped (p
      PubDate: 31 January, 2020
       
  • Physiological Responses of Moringa (Moringa stenopetala L.) Seedlings to
           Drought Stress under Greenhouse Conditions, Southern Ethiopia

    • Abstract: Background and Objective: Moringa stenopetala L. is a plant called miracle plant due to its adaptability and versatility in use. However, in spite of its marvelous importance, the plant has got little attention for research based on stress physiology. Therefore, in this study, pot experiment was conducted to investigate the chlorophylls concentration, Leaf gas exchanges, stomata traits and leaf water status responses of Moringa stenopetala L. accessions seedlings to drought stress under greenhouse condition. Materials and Methods: The experiment was consisted of 3 accessions (Konso, Arba Minch Zuria and Humbo) and 4 drought stresses (daily, 5 days interval, 10 days interval and 15 days interval watering) assigned in completely randomized design with 3 replications. Results: The accession “Arbaminch Zuria” was higher in all parameters except stomata number. Regarding to water stress, the experiment shown that, increased water stress reduced all parameters except stomata number. Additionally, photosynthetic rate, transpiration rate, stomatal conductance and leaf relative water content were significantly influenced due to the interaction effect of accession and drought stress. Accession “Arbaminch Zuria” grown under daily watering was higher in all traits those indicated significant due to interaction. Conclusion: Therefore, Arbaminch Zuria can be taken as a better accession both under stressed and unstressed conditions for production of moringa seedling. Furthermore, study is still needed on more indigenous and exotic accession under different drought stress for longer periods of time as a perennial crop.
      PubDate: 25 January, 2020
       
  • Analysis of Yardlong Bean (Vigna unguiculata Subsp. sesquipedalis) Genetic
           Diversity using RAPD Markers

    • Abstract: Background and Objective: Yardlong bean is a well-known vegetable because of its long, slender, succulent pods and its protein content. In the present study genetic variation and relationships among yardlong bean genotypes were investigated thorough RAPD marker technique. Materials and Methods: Thirty six genotypes of yardlong bean were planted in the field to characterize their genetic relatedness and identify variation at molecular level. Sixteen decamer RAPD oligonucleotide primers were screened and out of these, 10 primers were chosen for further evaluation. Results: Altogether 94 RAPD bands were scored of which 82 were polymorphic. The amplified product size ranged from 150-900 bp. The primer OPB-08 amplified maximum number of polymorphic bands. The average number of polymorphic bands/primer was 8.2. The frequency of polymorphism ranged from 0.0278-0.9722. Nei’s pair-wise genetic distance ranged from 0.055-0.83. A UPGMA dendrogram of genetic similarity was constructed based on 82 polymorphic bands obtained from 10 primers. The UPGMA dendrogram divided the studied individuals into four main clusters. BD-1528 and BD-1524 accession formed distinct cluster (I and II, respectively). Most of the genotypes were observed in cluster IV (29 genotypes) which was further sub-divided into two sub-clusters which were subdivided into sub-sub-clusters making the genotypes diverse. Accessions collected from Bangladesh Agricultural Research Institute, showed significant diversification as they were widely distributed in 4 clusters. Conclusion: The variability among the genotypes has the potential to be used in future plant breeding program as well as for commercial production.
      PubDate: 15 March, 2020
       
  • Microbial Degradation of the Organophosphorus Insecticide, Methyl
           Parathion Using the Natural Bacterial Isolate, Pseudomonas aeruginosa

    • Abstract: Background and Objective: Pesticides are hazardous to human beings, flora, fauna and ecosystems. Though they are applied to increase the productivity in crop fields for controlling pests, they cause pollution in air, water and soil. Bioremediation is employed to clean polluted sites using organisms. Microbes are ubiquitous and some of them can degrade pesticides. Hence the present study has been designed to isolate a bacterial strain capable of degrading methyl parathion and to test its efficiency of degradation. Materials and Methods: Soil samples collected from contaminated crop fields were subjected to serial dilution, plating and incubation. From the grown colonies one colony was chosen and it was identified using biochemical tests. It was tested for its efficiency after exposing to 50, 100, 150 and 200 ppm for 30 h by monitoring changes in pH, orthophosphate, turbidity and the influence of sugars and immobilization. UV-visible spectrophotometry, HPLC analysis and statistical analysis were carried out to confirm the degradation efficiency of the natural isolate. Results: The natural isolate was identified as Pseudomonas aeruginosa based on the results of biochemical tests. Maximum orthophosphate was released in 200 ppm methyl parathion. The pH declined during degradation while turbidity exhibited an increase which indirectly indicated the degradation by the natural isolate. Orthophosphate level increased steadily when immobilized cells were tested. All the tested carbohydrates enhanced the release of orthophosphate. Both UV-visible spectrophotometry and HPLC analysis confirmed the degradation of the pesticide by the natural isolate. Conclusion: The natural isolate can be used to degrade pesticides like methyl parathion and its capacity can be enhanced by immobilization or supplementation with carbohydrates.
      PubDate: 15 March, 2020
       
  • Biological Control of Foodborne Pathogenic Enterobacter sp. and Bacillus
           sp. Using Different Spice Extracts Available in Bangladesh

    • Abstract: Background and Objective: The relatively inexpensive, widely available poultry meat and eggs can be of centralimportance to meet shortfalls in essential nutrients, particularly to impoverished people. Contamination of foods by pathogenic microbes causes consumer illness. In this study, antibacterial activity of spice extracts against isolated foodborne pathogenic bacterial strains were evaluated. Materials and Methods: Egg and meat samples were collected from poultry egg and meat retailers of local market and screened on MacConkey and Mannitol salt agar media, respectively. The isolates were identified by morphological, biochemical and 16S rRNA gene sequence analysis. Anti-bacterial activity of different spice extracts against isolated bacteria was tested through disc diffusion method. Cytotoxicity was evaluated through probit mortality analysis software. Results: Bacillus sp. (from meat) showed more toxicity (LC50 = 95.6205 μL mL–1) than Enterobacter sp. (from egg) (LC50 = 143.2504 μL mL–1) against Artemia salina. For biological control, methanolic and aqueous extracts of Cinnamomum verum, Syzygium aromaticum, Piper chaba, Zingiber officinale were used. Methanolic extract of S. aromaticum acted as potential antimicrobial agent against Bacillus sp. with a inhibition zones of 15±0, 18.33±0.58 and 21±0 mm at a concentration of 50, 75, 100 μg mL–1, respectively. Similarly, Enterobacter sp. was susceptible at the same doses with a inhibition zones of 15.33±0.58, 16.67±0.58 and 18±0 mm. Moreover, C. verum oil with a dose of 30 μL showed the highest growth inhibitory effect against Bacillus sp. (inhibition zone 40±1 mm) than Enterobacter sp. (inhibition zone 34.33±1.53 mm). Conclusion: The result suggests that spices represent an alternative source of natural antibacterial substances for inhibiting the growth of foodborne bacteria.
      PubDate: 07 January, 2020
       
  • Infusion Extraction of Toxin from Chili Pepper (Capsicum baccatum) for
           Bedbug Protection

    • Abstract: Background and Objective: The developing trend of resistance in bed bugs toward synthetic insecticidal agents makes their management extremely difficult. So, there is an urgent need to develop new approach in the protection of bedbugs consist of using native plants with insecticidal value. The present experiment was conducted to protect bed bugs through the use of Capsicum baccatum (chilli pepper) extract. Materials and Methods: The experiment was conducted to extract toxin from Capsicum baccatum for bedbug protection. The extract was prepared in 3 different concentrations in liquid form viz. 14.2, 16 and 18.8% as a direct admixture of salt. Adult bedbugs were collected from student’s dormitory The collected insects were allowed to mate for 3 days and eggs from ovipositor site were collected. The extract was sprayed on adult bedbugs designed in experimental block with 3 treatment groups. The efficiency of acute toxicity of the extract was checked on the percentage of adults mortality in control with percentage control and inhibition of adult emergence was checked by percentage of adult emergence inhibition in control [IE %]. Bonferroni correction test was used to adjust for multiple comparisons of the blocks at 95% confidence interval [CI]. The experimental design for mortality and emergence test was randomized block design. Results: The result revealed that the extract was 100% effective at killing bedbugs and inhibiting adult emergence in all levels of concentration [CL] compared to treatments under control with significant mean difference (p
      PubDate: 07 January, 2020
       
  • Identification of Bioactive Peptides in Mussel Species of Kanyakumari
           Coast

    • Abstract: Background and Objective: Anti-bacterial activity was evaluated in the whole body crude extracts of the 3 edible marine bivalves, namely Perna perna (brown mussel), Perna viridis (green mussel) and the parrot mussel collected from the coastal villages of Kanyakumari district. Materials and Methods: Six different solvents, namely ethanol, methanol, acetone, ethyl acetate, hexane and butanol were used to prepare the extracts. The efficacies of the whole body extract of different solvents were assessed for the antimicrobial activity against 13 different pathogenic bacteria viz., Salmonella typhi, Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, Proteus vulgaris, Staphylococcus epidermis, Klebsiella pneumoniae, Bacillus subtilis, Salmonella paratyphi, Streptococcus pyogenes, Vibrio sp., Shigella sp. and Haemophilus influenza. Results: Of the 6 different solvents methanol exhibits the highest activity followed by ethanol and acetone. The methanolic extracts of P. viridis exhibit the highest activity against E. coli, S. typhi and P. aeruginosa. The ethanolic extract of P. viridis shows the highest activity against E. coli, P. aeruginosa, S. typhi, K. pneumoniae and acetone extract showed good activity against E. coli. The methanolic extracts of P. perna exhibit the highest activity against E. coli, S. aureus, S. typhi, P. vulgaris. The ethanolic extract of P. perna is active against P. vulgaris and B. subtilis and the ethanolic extract showed good activity against P. aeruginosa and Shigella species. The methanolic extracts of the parrot mussel exhibit the highest activity against E. coli and Streptococcus pyogenes, ethanol extract shows good activity against E. coli and Staphylococcus aureus and the acetone extract shows maximum antibacterial activity against P. aeruginosa. Conclusion: The findings of the present study confirm that the mussel species have antimicrobial activity and that this activity appears to be dependent on the solvent used for the extraction process. FTIR analysis reveals the presence of bioactive compounds signals at different ranges.
      PubDate: 07 January, 2020
       
  • Effect of Balanites aegyptiaca Fruit-pericarp Extract on Fructose Induced
           Hyperglycemia and Hyperlipidemia in Rats

    • Abstract: Background and Objective: High fructose intake has been reported to alter metabolisms leading to hyperglycemia and dyslipidemia. This study investigated the effect of Balanites aegyptiaca fruit-pericarp extract on high fructose fed rats. Materials and Methods: Balanites aegyptiaca fruits after collection were dehulled to obtain pericarps, air-dried and pulverized into powdered then extracted with ethanol. Phytochemical content and acute toxicity of the extract were ascertained. The study was conducted on rats divided into 7 groups of 5 each, namely; normal control, extract control (received 600 mg kg–1 b.wt., extract), fructose control (received 30% fructose solution), standard drug control (fructose fed rats treated with simvastatin 25 mg kg–1) while group 4-6 were fructose fed rats treated with extract at 200, 400 and 800 mg kg–1 b.wt.. After 21 days of extract administration, rats were sacrificed, blood collected and serum separated which was used for the biochemical analysis. Results: The study showed pericarp extract possess variety of phytochemical (phenols, flavonoids, saponins, tannins) and is safe with lethal median dose (LD50) assumed at 4000 mg kg–1 b.wt., of rats. Lipid profile varies significantly (p0.05) different among all groups. Fructose untreated rats had the highest weight increase at 17% compare to the treated rats. Conclusion: The study found pericarp extract of Balanites aegyptiaca safe, possess important phytochemicals and able to prevent fructose induced hyperglycemia and hyperlipidemia in rats. It may be a good source for the management of metabolic disorders.
      PubDate: 07 January, 2020
       
 
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