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Pavana Kumara Bellairu,Shreeranga Bhat,E V Gijo,Poornesh Mangalore 한국섬유공학회 2022 Fibers and polymers Vol.23 No.4
The article intends to obtain an environment friendly, low-cost natural fiber (Agave Cantala Fiber) and Multiwalledcarbon nanotube (MWCNT) composite by the experimental design approach. More specifically, study is associatedwith multi-response modelling and optimization of a novel composite material for cleaner manufacturing. The MixtureDesign technique is adopted to ensure the mixture components' multi-response optimization, namely, MWCNT, Cantalafibers, and Epoxy resin. The tensile, flexural, and impact strength of the novel composite material are considered foroptimization. The experiments are planned as per the mixture design, and the data is collected on all these responses. The CoxResponse Trace plot, Pareto Chart for Standardized Effects, Overlaid Contour plot, and Response Optimizer plot areeffectively used to develop predictive models and to identify an optimum combination of the mixture for all the responses. The findings will assist in developing an optimal combination of component mixtures and a predictive model for compositematerial through the structured and robust statistical methodology. This material will assist in cleaner and greenermanufacturing of composite materials, while the approach adopted will help researchers as a template for robust compositematerial development.
FIXED POINT THEOREMS FOR MULTIVALUED NONLINEAR CONTRACTION MAPPING IN G-METRIC SPACE
M. Pitchaimani,Pavana Devassykutty,W. H. Lim 경남대학교 기초과학연구소 2018 Nonlinear Functional Analysis and Applications Vol.23 No.4
In this paper, we prove existence and uniqueness of fixed points for a multivalued mapping in complete G-metric space which satisfies some nonlinear contractive conditions. We show that the multivalued nonlinear contraction mapping reduces to multivalued linear contraction mapping by establishing the boundedness of orbit of the same. Our results generalize existing results in the literature.
Linga Venkateswar Rao,Cherukuri Pavana Jyothi,Reddy Shetty Prakasham,Chaganti Subba Rao,Ponnupalli Nageshwara Sarma,Ravella Sreenivas Rao 한국미생물학회 2006 The journal of microbiology Vol.44 No.1
Candida tropicalis was treated with ultraviolet (UV) rays, and the mutants obtained were screened for xylitol production. One of the mutants, the UV1 produced 0.81g of xylitol per gram of xylose. This was further mutated with N-methyl-N’-nitro-N-nitrosoguanidine (MNNG), and the mutants obtained were screened for xylitol production. One of the mutants (CT-OMV5) produced 0.85g/g of xylitol from xylose. Xylitol production improved to 0.87 g/g of xylose with this strain when the production medium was supplemented with urea. The CT-OMV5 mutant strain differs by 12 tests when compared to the wild-type Candida tropicalis strain. The XR activity was higher in mutant CT-OMV5. The distinct difference between the mutant and wild-type strain is the presence of numerous chlamydospores in the mutant. In this investigation, we have demonstrated that mutagenesis was successful in generating a superior xylitol-producing strain, CT-OMV5, and uncovered distinctive biochemical and physiological characteristics of the wild-type and mutant strain, CT-OMV5.