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Articles 1 - 17 of 17
Full-Text Articles in Life Sciences
Effect Of Post Composting On Vermicompost Of Spent Mushroom Substrate, Adi Ainurzaman Jamaludin, Noor Zalina Mahmood
Effect Of Post Composting On Vermicompost Of Spent Mushroom Substrate, Adi Ainurzaman Jamaludin, Noor Zalina Mahmood
Adi Ainurzaman Jamaludin
By using Lumbricus rubellus, vermicomposting started after 3 weeks of pre composting. Five treatments in different ratio of cow dung : spent mushroom substrate were prepared as feed materials with four replicates for each treatment namely; 80:20 (T1), 60:40 (T2), 50:50 (T3), 40:60 (T4) and 20:80 (T5). After 7 weeks of vermicomposting, macronutrient elements of vermicompost produced were measured and the process continues with composting when all the earthworms were taken out from the treatments. Macronutrient elements of compost produced were also measured after 20 weeks of composting. The data reveals that 7 weeks for vermicomposting of cow dung and …
Brazilian Free-Tailed Bats (Tadarida Brasiliensis) As Insect Pest Regulators In Transgenic And Conventional Cotton Crops, P. Federocp, T. G. Hallam, Gary F. Mccracken, S. T. Purucker, W. E. Grant, A. N. Correa-Sandoval, J. K. Westbrook, R. A. Medellin, C. J. Cleveland, C. G. Sansone, J. D. Lopez Jr., M. Betke, A. Moreno-Valdez, T. H. Kunz
Brazilian Free-Tailed Bats (Tadarida Brasiliensis) As Insect Pest Regulators In Transgenic And Conventional Cotton Crops, P. Federocp, T. G. Hallam, Gary F. Mccracken, S. T. Purucker, W. E. Grant, A. N. Correa-Sandoval, J. K. Westbrook, R. A. Medellin, C. J. Cleveland, C. G. Sansone, J. D. Lopez Jr., M. Betke, A. Moreno-Valdez, T. H. Kunz
Gary F. McCracken
During the past 12 000 years agricultural systems have transitioned from natural habitats to conventional agricultural regions and recently to large areas of genetically engineered (GE) croplands. This GE revolution occurred for cotton in a span of slightly more than a decade during which a switch occurred in major cotton production areas from growing 100% conventional cotton to an environment in which 95% transgenics are grown. Ecological interactions between GE targeted insects and other insectivorous insects have been investigated. However, the relationships between ecological functions (such as herbivory and ecosystem transport) and agronomic benefits of avian or mammalian insectivores in …
Life On The Edge: Morphological And Behavioral Adaptations For Survival On Wave-Swept Shores, Luke P. Miller
Life On The Edge: Morphological And Behavioral Adaptations For Survival On Wave-Swept Shores, Luke P. Miller
Luke P. Miller
Wave-swept rocky shores serve as a home to a great diversity of organisms and are some of the most biologically productive habitats on earth. This burgeoning community exists in spite of the fact that the zone between the high and low tide marks can be one of the most physically harsh environments on earth. Large forces imposed by breaking waves and wide swings in temperature require the organisms living on rocky shores to adapt to a constantly changing environment or risk extirpation by physical forces. I have explored a number of hypothesized adaptations for survival on rocky shores and discuss …
An Allometric Scaling Law For Understanding Mammalian Sleep, Ji-Huan He
An Allometric Scaling Law For Understanding Mammalian Sleep, Ji-Huan He
Ji-Huan He
An allometric scaling law is established for explaining sleep time per day which scales with brain mass. The theoretical prediction agrees well with Savage and West’s experimental data.
Microproteomics: Analysis Of Protein Diversity In Small Samples, Howard B. Gutstein, Jeffrey S. Morris, Suresh P. Annangudi, Jonathan V. Sweedler
Microproteomics: Analysis Of Protein Diversity In Small Samples, Howard B. Gutstein, Jeffrey S. Morris, Suresh P. Annangudi, Jonathan V. Sweedler
Jeffrey S. Morris
Proteomics, the large-scale study of protein expression in organisms, offers the potential to evaluate global changes in protein expression and their post-translational modifications that take place in response to normal or pathological stimuli. One challenge has been the requirement for substantial amounts of tissue in order to perform comprehensive proteomic characterization. In heterogeneous tissues, such as brain, this has limited the application of proteomic methodologies. Efforts to adapt standard methods of tissue sampling, protein extraction, arraying, and identification are reviewed, with an emphasis on those appropriate to smaller samples ranging in size from several microliters down to single cells. The …
Kinship Foster Care: Implications Of Behavioral Biology Research, David Herring
Kinship Foster Care: Implications Of Behavioral Biology Research, David Herring
David J. Herring
Public child welfare systems rely heavily on kin to serve as foster parents, requiring public actors to consider and choose among different types of available kin (e.g. maternal grandmothers, paternal grandfathers, matrilateral aunts). Behavioral biology researchers have been exploring kinship relationships and the expected level of investment in child care for different types of kin. This paper explains the relevance to kinship foster care of behavioral biology research on kinship relationships and expected levels of parental investment. This research allows for the development of a rank listing of second-degree kin in terms of their likely level of investment in a …
Simulating The Effects Of Wetland Loss And Inter-Annual Variability On The Fitness Of Migratory Bird Species, Jill L. Deppe, James A. Smith
Simulating The Effects Of Wetland Loss And Inter-Annual Variability On The Fitness Of Migratory Bird Species, Jill L. Deppe, James A. Smith
Jill L Deppe
Long-distance migratory shorebirds require wetland stopover sites where they can forage and deposit sufficient fat to complete their migration and, in the spring, reproduce. Conservation biologists are concerned that continental-scale reductions in wetland availability and quality due to human disturbance, climate change, and natural drought events are negatively impacting these species by eliminating critical stopovers along migratory flyways. We describe an individual-based migration model driven by remotely sensed land surface data, climate data assimilation models, and biological field data to examine the impact of changing environmental conditions on migration routes, temporal patterns, and fitness. We used an evolutionary programming approach …
Energy Balance And Canopy Conductance Of A Tropical Semi-Deciduous Forest Of The Southern Amazon Basin, George L. Vourlitis, Jose De Souza Nogueira, Francisco De Almeida Lobo, Kerrie M. Sendall, Sergio Roberto De Paulo, Carlos Alberto Antunes Dias, Osvaldo Borges Pinto Jr, Nara Luisa Reis De Andrade
Energy Balance And Canopy Conductance Of A Tropical Semi-Deciduous Forest Of The Southern Amazon Basin, George L. Vourlitis, Jose De Souza Nogueira, Francisco De Almeida Lobo, Kerrie M. Sendall, Sergio Roberto De Paulo, Carlos Alberto Antunes Dias, Osvaldo Borges Pinto Jr, Nara Luisa Reis De Andrade
Kerrie M Sendall
Deforestation and climate change have the capacity to alter rainfall regimes, water availability, and surface-atmosphere flux of water and energy of tropical forests, especially in ecotonal, semi-deciduous tropical forests of the southern Amazon Basin, which have experienced rapid regional warming and deforestation over the last three decades. To reduce uncertainty regarding current and future energy and water flux, micrometeorological measurements of latent (Qe) and sensible heat flux (Qh) and canopy conductance (Gc) were combined with measurements of sap flux density (Fd) and maximum leaf conductance (gsmax) to characterize the seasonal controls on mass (H2O) and energy exchange of an ecotonal, …
The Consequence Of Vermicomposting Duration To Macronutrient Elements – C, N, P And K In Vermicompost, Adi Ainurzaman Jamaludin, Noor Zalina Mahmood
The Consequence Of Vermicomposting Duration To Macronutrient Elements – C, N, P And K In Vermicompost, Adi Ainurzaman Jamaludin, Noor Zalina Mahmood
Adi Ainurzaman Jamaludin
The effect of vermicomposting duration to macronutrient element in vermicompost was investigated. Three different treatments were prepared with eight replicates for each treatment namely cow dung: kitchen waste in 30:70 ratios (T1), cow dung: coffee grounds in 30:70 ratio (T2), and cow dung: kitchen waste: coffee grounds in 30:35:35 ratios (T3). Vermicompost produced by Lumbricus rubellus were analyzed in week tenth and thirtieth. In conclusion, longer duration of vermicomposting will enhance the quality of vermicompost. This is shown by the percentage increase of macronutrient elements (N & P) and declining of C/N ratio.
The Potential Of Coffee Grounds And Kitchen Waste In Vermicomposting, Adi Ainurzaman Jamaludin, Noor Zalina Mahmood
The Potential Of Coffee Grounds And Kitchen Waste In Vermicomposting, Adi Ainurzaman Jamaludin, Noor Zalina Mahmood
Adi Ainurzaman Jamaludin
Vermicomposting using Lumbricus rubellus for 49 days was conducted after 21 days of pre-composting. Three different combination of treatments were prepared with eight replicates for each treatment namely cow dung : kitchen waste in 30:70 ratio (T1), cow dung : coffee grounds in 30:70 ratio (T2), and cow dung : kitchen waste : coffee grounds in 30:35:35 ratio (T3). At the end of study, there was a significant difference between numbers of earthworms among the three different treatments (p < 0.05). In contrast with weights of earthworms there was no significant difference (p > 0.05) among the three treatments. By comparing the numbers and weights of earthworms in each treatments (T1, T2 & T3) only …
Effect Of Post Composting On Vermicompost Of Spent Mushroom Substrate, Adi Ainurzaman Jamaludin
Effect Of Post Composting On Vermicompost Of Spent Mushroom Substrate, Adi Ainurzaman Jamaludin
Adi Ainurzaman Jamaludin
No abstract provided.
The Consequence Of Vermicomposting Duration To Macronutrient Elements - C, N, P And K In Vermicompost, Adi Ainurzaman Jamaludin
The Consequence Of Vermicomposting Duration To Macronutrient Elements - C, N, P And K In Vermicompost, Adi Ainurzaman Jamaludin
Adi Ainurzaman Jamaludin
No abstract provided.
Potential Of Spent Mushroom Substrate In Vermicomposting, Adi Ainurzaman Jamaludin
Potential Of Spent Mushroom Substrate In Vermicomposting, Adi Ainurzaman Jamaludin
Adi Ainurzaman Jamaludin
No abstract provided.
The Potential Of Coffee Grounds And Kitchen Waste In Vermicomposting, Adi Ainurzaman Jamaludin
The Potential Of Coffee Grounds And Kitchen Waste In Vermicomposting, Adi Ainurzaman Jamaludin
Adi Ainurzaman Jamaludin
No abstract provided.
A Kinetic Model For Growth And Biosynthesis Of Medium-Chain-Length Poly-(3-Hydroxyalkanoates) In Pseudomonas Putida, Irene Tan Kit Ping
A Kinetic Model For Growth And Biosynthesis Of Medium-Chain-Length Poly-(3-Hydroxyalkanoates) In Pseudomonas Putida, Irene Tan Kit Ping
Irene Tan Kit Ping
A kinetic model is presented giving a mathematical description of batch culture of Pseudomonas putida PGA1 grown using saponified palm kernel oil as carbon source and ammonium as the limiting nutrient. The growth of the micro-organism is well-described using. Tessier-type model which takes into account the inhibitory effect of ammonium at high concentrations. The ammonium consumption rate by the cells is related ill proportion to the rate of growth. The intracellular production of medium-chain-length poly(3-hydroxyalkanoates) (PHA(MCL)) by P. putida PGA1 cells is reasonably modeled by the modified Luedeking-Piret kinetics, which incorporate a function of product Synthesis inhibition (or reduction) by …
First Report Of The Signal Fly, Scholastes Sp (Diptera: Platystomatidae) Visiting Animal Carcasses In Malaysia, Chen Chee Dhang
First Report Of The Signal Fly, Scholastes Sp (Diptera: Platystomatidae) Visiting Animal Carcasses In Malaysia, Chen Chee Dhang
Chen Chee Dhang
Signal fly, Scholastes sp. (Diptera: Platystomatidae) was observed associated with animal carcasses in Malaysia. The first observation was on a monkey carcass, which was killed by using a handgun and immediately placed in a forested area in Gombak, Selangor while the second observation was on a pig that died of natural causes and whose carcass was placed in an oil palm plantation in Tanjung Sepat, Selangor. Both animal carcasses were visited by Scholastes sp. flies during the fresh decomposition period. However, the role Scholastes flies in the decomposition process remains unknown. In this paper, we report the occurrence of Scholastes …
A Statistical Approach For Evaluation Of Pcr Results To Improve The Practical Limit Of Quantification (Loq) Of Gmo Analyses (Simquant), Torstein Tengs
A Statistical Approach For Evaluation Of Pcr Results To Improve The Practical Limit Of Quantification (Loq) Of Gmo Analyses (Simquant), Torstein Tengs
Dr. Torstein Tengs
The predominant approach for quantification of genetically modified organisms (GMO) is the application of quantitative real-time PCR. However, for a large number of processed food and feed products, this approach is unsuitable, because they contain low amounts (mass) of amplifiable DNA. Here we present a novel approach, ‘‘Single molecule quantification’’ (SIMQUANT) for GMO quantification of samples with extremely low amounts of DNA. The approach is based on statistics and application of multiple qualitative parallel PCRs. Here the qualitative PCRs were done using real-time PCR setup, but this is not a requirement. The difference is that the quantitative real-time PCR requires …