Biodegradation of keratin containing wastes viz. bird feathers, nails, hairs, animalwool is a low-cost, nutrient-rich biotechnological process that turns this plentiful waste into substance. It sustainable green approach towards the solution environmental threats created by these wastes. This study aimed to screen for potential keratinase-producing microorganisms and optimize physicochemical pa...

O desenvolvimento de sistemas cultivo com hortaliças visando a otimização da produtividade tem exigido esforços no sentido reduzir, ou até mesmo eliminar, deficiências do setor produtivo, como problemas nutricionais e fitossanitários das mudas. Diante disso, objetivou-se avaliar capacidade isolado Streptomyces em promover o crescimento mudas através solubilização fosfato duas cultivares alface,...

BACKGROUND Finite element modeling of human bone provides a powerful tool to evaluate a wide variety of outcomes in a highly repeatable and parametric manner. These models are most often derived from computed tomography data, with mechanical properties related to bone mineral density (BMD) from the x-ray energy attenuation provided from this data. To increase accuracy, many researchers report t...

the aim of this study was to evaluate the ability of microalgae spirulina platensis and chlorella vulgaris to remove nitrate and phosphate in aqueous solutions. spirulina platensis and chlorella vulgar is microalgae was collected in 1000 ml of municipal water and kno3, k2hpo4 was added as sources of nitrate and phosphate in three different concentrations (0.25, 0.35 and 0.45g/l). during the gro...

The eggshell is a biomineral consisting of CaCO3 in the form calcite phase and pervading organic matrix (1–3.5 wt.%). Transforming particles into calcium phosphate (apatite) micro-nanoparticles opens door to repurposing waste as materials with potential biomedical applications, fulfilling principles circular economy. Previous methods obtain these consisted mainly two steps, first one involving ...

Despite the progress achieved by aqueous biphasic systems (ABSs) comprising ionic liquids (ILs) in extracting valuable proteins, quest for bio-based and protein-friendly ILs continues. To address this need, work uses natural organic acids as precursors synthesis of four ILs, namely tetrabutylammonium formate ([N4444][HCOO]), acetate ([N4444][CH3COO]), tetrabutylphosphonium ([P4444][HCOO]), ([P4...

The results of the theoretical graphical analysis decomposition sulfuric and phosphoric acids from mass wastes production – slag, accumulated reserves which are industrial importance in terms quantity, presented. A representative sample slag Kainar LLP was obtained for research. research showed that main products slag's stage a solution acid with concentration 14-17% P2O5 cake precipitate conta...

Bacillus species are promising producers of various compounds that have pronounced antimicrobial, antiviral and antitumor activities. Due to its GRAS status, subtilis represents an excellent candidate for the usage in plant pathogens biocontrol. In this research, evaluation antifungal metabolites biosynthesis by ATCC 6633 optimization glycerol-based medium composition, using response surface me...

Abstract The enzyme urate oxidase (UOX) is used as a drug for preventing and treatment of hyperuricemia. This study deals with the statistical optimization lactose inducible fermentation production soluble recombinant Aspergillus flavus UOX. 10 independent variables were investigated by Plackett–Burman design (PBD), most significant factors further optimized central composite (CCD). PBD results...

plackett-burman design was used for selection of important media components such as carbon and nitrogen sources and minerals which affect poly(hydroxybutyrate) production and cell growth of methylobacterium extorquens dsmz 1340. among the studied variables, nitrogen and phosphorus sources, mgso4 and most of the trace elements were found to be significant variables for phb production from methan...