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Some Fixed Point Theorems on G-Expansive Mappings
Mohanta, Sushanta Kumar Department of Mathematics 2012 Kyungpook mathematical journal Vol.52 No.2
In this paper, we have studied some fixed point theorems on complete G-metric spaces.
Some Common Fixed Point Theorems via Generalized c-Distance
Mohanta, Sushanta Kumar,Maitra, Rima Department of Mathematics 2015 Kyungpook mathematical journal Vol.55 No.1
In this paper, we introduce the concept of generalized c-distance on a cone metric space and prove some common fixed point and coincidence point results by using this notion. Our results generalize and extend several well known comparable results in the literature.
Mohanta, S K,Tripathy, S,Soh, C B,Kim, D C,Kong, B H,Cho, H K Institute of Physics [etc.] 2010 Journal of Physics. D, Applied Physics Vol.43 No.14
<P>We investigated the optical properties of ZnO nanorods on nanosilicon-on-insulator using variable temperature photoluminescence (PL) spectroscopy, and explored the contribution of exciton–phonon coupling and surface resonance effect on the emission characteristics of the nanorods. The low-temperature (<100 K) PL spectra revealed different strengths of exciton–phonon interaction for nanorods of different surface structures. The exciton–phonon coupling strength was stronger for nanorods of rougher surfaces with enhanced contribution of longitudinal optical phonon replicas of free exciton. Despite exhibiting different coupling strengths of exciton–phonon interactions, the room-temperature PL showed an unchanged energy position at 3.28 eV for nanorods of different surface structures. The unchanged energy position of band-edge emission was caused by the competitive effect of the surface defects induced exciton–phonon interaction and the surface resonance effect in faceted nanorods.</P>
Santoshi Mohanta,Yashwanth Padarthi,Jeetendra Gupta,Swati Neogi 한국섬유공학회 2020 Fibers and polymers Vol.21 No.11
Ensuring the desired degree of cure during manufacturing of vacuum infusion molded (VIM) composite laminateis important to optimize the production time and performance. The traditional method of estimating the degree of cure usingDifferential Scanning Calorimetry (DSC) method cannot be applied during manufacturing. An alternative approach has beenexplored here by embedding Fiber Bragg grating (FBG) sensor and conventional strain sensor in the composite laminateduring manufacturing and mapping the strain developed due to curing with degree of cure. A proper methodology is followedto embed the sensors accurately over glass fiber mats. It is demonstrated that the strain developed during manufacturingindeed indicates different stages of curing cycle. The strain developed can further be mapped with the degree of cure which isestimated by performing a curing experiment using DSC under identical cure conditions as maintained during manufacturing. Thermal Mechanical Analysis (TMA) is also performed to confirm the fact that strain is generated due to shrinkage whichoccurs during the curing process. The initial drop in strain before the crosslinking reaction begins can be attributed to thereduction in viscosity which is further confirmed by the Rheometry analysis. It is established that the time when strain startsto progress and attains a constant value coincides with the onset (tgel) and completion of the curing process respectively.
Performance Analysis & Evaluation of ERP: A Case Study of Indian Small Manufacturing Enterprises
Bhagyashree Mohanta,Srikanta Patnaik 한국정보통신학회 2019 2016 INTERNATIONAL CONFERENCE Vol.11 No.1
“Enterprise resource planning (ERP)” refers to a modular and quality software which integrates the principal domains that includes various business activities of an organization into a simplified and integrated system. Acceptance of ERP software in any organization has improved productivity, efficiency and decrease costs in the past. Further it also streamlines the business processes by efficiently improving decision making capability, maintaining employee’s harmony and proper client handling system. In this paper, we have reviewed the implementation benefits, customization, performance evaluation, various success factors and the need of ERP in Small Manufacturing Enterprises (SMEs). This paper also includes the step by step process flow by keeping aimed on performance and cost effectiveness parameters to implement ERP in Indian SMEs to satisfy business needs.
EXTENSION OF EGERVÀRY THEOREM ON OPTIMAL SOLUTION OF ASSIGNMENT PROBLEM: LOGICAL APPROACH
Susanta Kumar Mohanta,Prasanta Kumar Das 경남대학교 기초과학연구소 2020 Nonlinear Functional Analysis and Applications Vol.25 No.3
A technique to solve the balanced linear assignment problem is introduced using graph theory and is based on logical approach. In the method, the aim is to find a matching in which the sum of weights of the edges is as large as possible, in a weighted bipartite graph. Generally it consists of finding a minimum-weight perfect matching and is a specialization of the maximum weight matching problem for bipartite graphs. The concept of decision matrix ([1]) is applied for finding last two assignments.
Bromelain-loaded polyvinyl alcohol–activated charcoal-based film for wound dressing applications
Yugesh Ramdhun,Mohanta Monalisha,Thirugnanam Arunachalam,Ritvesh Gupta,Devendra Verma 한국고분자학회 2023 Macromolecular Research Vol.31 No.5
The present research focuses on bromelain-loaded polyvinyl alcohol (PVA)–activated charcoal (AC) film with desired mechanical strength and biocompatible properties for wound dressing application. The developed films were investigated physicochemically, mechanically, and biologically. The drug release studies were performed in a phosphate-buffered solution (pH 7.4). The homogenous dispersion of bromelain in the PVA–AC film and their morphology were analyzed through field emission scanning electron micrograph, Fourier transform infrared spectrometry, and Raman spectroscopy. The decrease in the hydroxyl group peak intensity suggests the excellent miscibility of bromelain in the PVA–AC matrix. The medium-range viscosities of PVA-based films revealed formulation stability. It was also observed that the wettability of the films was reduced with the addition of bromelain and AC. It is due to the interaction between the hydroxyl groups of PVA and bromelain, which leaves all of the hydrophobic bromelain groups unbounded and exposed to the surface. Further, the tensile strength of developed films was enhanced by 19% with the AC reinforcement. The swelling rate, degradation, and water vapor transmission rate were decreased with the incorporation of AC and bromelain. The films were slightly hemolytic (less than 3% hemolysis) and showed moderate protein adsorption. The in vitro drug release studies demonstrated a consistent release of bromelain for 48 h. The bromelain-loaded PVA–AC exhibits good antibacterial against S. aureus and reasonable cell viability with L929 cells. Further, a scratch assay showed 99.4% wound closure after 24 h bromelain-loaded PVA–AC films. Therefore, the developed films can be a potent candidate for wound healing applications.