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Rashmi,Rimpy,Munish Ahuja 한국섬유공학회 2020 Fibers and polymers Vol.21 No.7
The purpose of the present work was to modify the absorbent cotton gauze to improve its functionality asantimicrobial wound dressing. The cotton gauze was modified by grafting of N-vinyl-pyrrolidone using microwave-assistedreactions. The effect of volume of N-vinyl-pyrrolidone and amount of ammonium persulfate on percentage grafting wasoptimized by 2-factor, 3-level central composite experimental design. The optimized batch of gauze-g-NVP wasimpregnated with iodine. The iodine-loaded gauze-g-NVP was characteristically examined by Fourier-transformed infraredspectroscopy and Field emission-scanning electron microscopy studies. The results of energy dispersive X-ray analysisconfirmed the uniform dispersion of iodine on the surface of iodine impregnated poly(NVP)-g-cotton gauze. Further, theiodine-loaded gauze-g-NVP showed blood absorbency and in vitro blood clotting ability comparable to the absorbent cottongauze. However, a significantly higher antimicrobial activity of iodine-loaded gauze-g-NVP against the Staphylococcusaureus and Escherichia coli was observed as compared to the iodine solution of equivalent concentration which can beattributed to the higher retention of iodine at the site of action. In the nutshell, results show that iodine-loaded grafted cottongauze have the desirable and effective antibacterial wound dressing property with excellent blood absorbency and clottingabilities.
Rashmi,Vicky Chawla,Rajni Sehgal Renuka Nagpal 보안공학연구지원센터 2015 International Journal of Security and Its Applicat Vol.9 No.5
Cryptography can be defined as the art of secret writing or protecting information by transforming it (encrypting it) into an unreadable format, called cipher text and then transmitting it across insecure networks, so that it cannot be read by anyone except the intended recipient. Only those who possess a secret key can decipher (or decrypt) the message into plain text. Encrypted information can sometimes be broken by cryptanalysis, also called code breaking, although modern cryptography techniques are virtually unbreakable. Various algorithms help achieve flawless encryption results which are mostly unbreakable. This paper is an attempt to improve one such algorithm, i.e. RC6 by adding on to its existing functionalities.
Rashmi Tresa Philpose,Abdul Aleem Mohammed,Ashrith Reddy Gowni 대한소아소화기영양학회 2024 Pediatric gastroenterology, hepatology & nutrition Vol.27 No.1
Purpose: Choledochal cysts are congenital anomalies that occur as localized cystic or fusiform dilatations of the biliary tree. Reflux and stasis of pancreatic enzymes in the biliary duct may relate to the development of intestinal metaplasia which might be an important factor related to the carcinogenesis of choledochal cyst, thus the expression of beta-catenin in the metaplastic epithelium might be associated with malignant transformation of choledochal cyst epithelium. Methods: This study was conducted at a tertiary care pediatric center between October 2014 and March 2017. Forty patients were evaluated for epithelial lining, mural ulceration, fibrosis, inflammation, and metaplasia. Results: Out of 40, 12 cases (30.0%) were the infantile age group and 28 cases (70.0%) were in the classic pediatric group. Ulceration was classified as grade 0 (14 cases, 35.0%), grade 1 (17 cases, 42.5%), or grade 2 (nine cases, 22.5%). Inflammation was classified as grade 0 (2 cases, 5.0%), grade 1 (26 cases, 65.0%), or grade 2 (12 cases, 30.0%). Fibrosis was classified as grade 0 (five cases, 12.5%), grade 1 (11 cases, 27.5%), grade 2 (17 cases, 42.5%), or grade 3 (seven cases, 17.5%). Metaplasia was noted in five (12.5%) out of 40 cases. All choledochal cysts with metaplasia showed beta-catenin nuclear positivity on immunohistochemistry and were followed up. Conclusion: This study emphasizes the importance of detailed histopathological examination and documentation of metaplastic changes. Metaplasia was associated with beta-catenin nuclear positivity. These findings suggest a potential role for beta-catenin as a marker of metaplastic changes in choledochal cysts.
FPGA Based Energy Efficient Universal Asynchronous Receiver Transmitter Design Using Thermal Scaling
Rashmi Sharma,Shivani Sharma,Paresh Khaneja,Navya Bhasin,Vanshaj Taxali 보안공학연구지원센터 2015 International Journal of Smart Home Vol.9 No.6
This paper throws light on the behavior of the UART in response to the variations in the junction temperature. Analysis has been done to find the most ideal temperature range for the operation of the UART. After all the calculations, deduction comes to a point that lowering the temperature values increases the efficiency of the UART significantly since the losses due to the leakage power are reduced to a minimum value when the temperature is decreased. Significant reduction in the percentage of leakage power is seen as the temperature is lowered. Implementation has been done on the FPGA generations Virtex-6, Virtex-5, Virtex-4 using XILINX simulator and Verilog Hardware Description Language. Different reduction percentages have been observed within a range of 8% to 37.4% for the leakage power and 16.8% to 69.3%for the ambient temperature as the results are obtained for frequency values of 1GHz and 1MHz. Thus various power loss parameters have been studied to get the best energy efficient UART.
Motivational Aspects of Using MOOin the Elementary EFL Classroom
Rashmi Dash,이창인 한국현대언어학회 2005 언어연구 Vol.21 No.1
Students of a foreign language have two major problems that stem from their isolation from native speakers and more fluent non-native speakers of the target language. First, foreign language students have little opportunity to interact with speakers of the target language. Second, the isolation of foreign language students impedes the creation of positive attitudes towards the target language population and culture, and therefore impedes the development of motivation to learn the target language itself. Bringing foreign language students to a properly chosen MOO site may be a partial solution to these two problems. This would increase the opportunities to interact with native speakers and more fluent non-native speakers. In addition, the game like quality of MOO fantasy and the inherently interesting possibility of meeting peers from all over the world may lower the students' affective filter and facilitate greater language learning. This study examines the opinions of elementary school students of English as a Foreign Language (EFL and how they report their levels of anxiety, interest, relevance, expectancy, and satisfaction while using MOO as opposed to other foreign language procedures.
Rashmi Dubey,Ashish K. Tewari,K. Ravikumar,B. Sridhar 대한화학회 2010 Bulletin of the Korean Chemical Society Vol.31 No.5
Evidences have proved the versatile role of sulfur atom in supramolecular chemistry.1 Presence of S atom in the molecule usually results in the specific structural properties of molecules. In the present study, S…arene, N…arene, CH…π, CH…S and CH…N type of weak interactions stabilize the conformation and self assembly of symmetrical as well as dissymmetrical molecules.