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Tytuł:
Is complementary and alternative medicine effective in job satisfaction among dentists with musculoskeletal disorders? A cross sectional study
Czy medycyna komplementarna i alternatywna ma wpływ na satysfakcję zawodową dentystów z zaburzeniami mięśniowo-szkieletowymi? Badanie przekrojowe
Autorzy:
Gupta, Devanand
Bhaskar, Dara J.
Gupta, Rajendra K.
Jain, Ankita
Yadav, Priyanka
Dalai, Deepak R.
Singh, Rajeshwar
Singh, Nisha
Chaudhary, Varunjeet
Singh, Ankit
Yadav, Ankit
Karim, Bushra
Powiązania:
https://bibliotekanauki.pl/articles/2166243.pdf
Data publikacji:
2014-10-01
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
medycyna komplementarna i alternatywna
dentysta
zaburzenia mięśniowo-szkieletowe
complementary and alternative medicine
dentist
musculoskeletal disorders
Opis:
Background: Musculoskeletal disorders have serious impact on the profession of dentistry. There is common occurrence of pain due to incorrect posture in dental professionals. Complementary and alternative medicine (CAM) therapies may cast a new light on preventing and intercepting musculoskeletal disorders (MSD). An epidemiological study was conducted in an effort to contribute to the prevention of musculoskeletal disorders in dentistry. The purpose of this study was to determine the prevalence of MSD at dentists using CAM as a treatment and preventive modality for MSD and to compare job/career satisfaction between dentists who use CAM and conventional therapy (CT). Material and Methods: Dentists registered in Uttrakhand state, India, under the Dental Council of India and registered members of the Indian Dental Association, Uttrakhand branch (N = 1496) were surveyed. Statistical analysis was conducted using SPSS 17. Results: A response rate of 84% (N = 1257) was obtained, revealing that 90% (N = 1131) had the problem of MSD. Seventy three percentage (N = 826) of dentists with MSD reported the use of CAM and CT. Complementary and alternative medicine users reported greater overall health (72.7% vs. 51%, p < 0.001), job satisfaction (61.2% vs. 35%, p < 0.001) and work efficiency compared to CT users. Conclusions: Complementary and alternative medicine therapies may improve quality of life, reduce work interruption and enhance job satisfaction for dentists who suffers from MSD. Through the course of their studies, dentists should be equipped with knowledge on ergonomics and CAM therapies, such as yoga and others, to help them prevent musculoskeletal disorders more effectively. Med Pr 2014;65(3):317–323
Wstęp: Zaburzenia mięśniowo-szkieletowe znacząco wpływają na wykonywanie zawodu przez lekarzy dentystów. W tej grupie zawodowej obserwuje się powszechne występowanie bólu z powodu nieprawidłowej postawy ciała. Terapie z zakresu medycyny komplementarnej i alternatywnej (complementary and alternative medicine - CAM) mogą rzucić nowe światło na zapobieganie zaburzeniom mięśniowo-szkieletowym (musculoskeletal disorders - MSD). Celem badania było ustalenie, czy w przypadku MSD dentyści korzystają z medycyny alternatywnej. Porównano także satysfakcję zawodową dentystów, którzy stosują terapie CAM i tych korzystających z terapii konwencjonalnej. Materiał i metody: W badaniu wzięli udział dentyści zarejestrowani w regionie Uttrakhand (Indie) w Radzie Dentystycznej Indii i będący członkami Indyjskiego Towarzystwa Dentystycznego (oddział Uttrakhand) (N = 1496). Analizy statystyczne przeprowadzono za pomocą pakietu SPSS 17. Wyniki: Wskaźnik odpowiedzi wyniósł 84% (N = 1257). Aż 90% (N = 1131) respondentów cierpiało z powodu MSD. Korzystanie z CAM i terapii konwencjonalnej zgłosiło 73% (N = 826) dentystów biorących udział w badaniu, u których występowały MSD. Osoby stosujące CAM w porównaniu z osobami leczącymi się konwencjonalnie zgłaszały lepszy ogólny stan zdrowia (72,7% vs 51%, p < 0,001), wyższy poziom satysfakcji zawodowej (61,2% vs 35%, p < 0,001) i były w stanie pracować w takim wymiarze czasu, w jakim chciały (56,8% vs. 67%, p < 0,001) Wnioski: Terapie CAM mogą poprawić jakość życia, zredukować przerwy w pracy i zwiększyć satysfakcję zawodową u dentystów cierpiących na MSD. Już na etapie studiów należy przekazać dentystom wiedzę z zakresu ergonomii oraz terapii CAM, żeby potrafili skuteczniej zapobiegać wystąpieniu zaburzeń mięśniowo-szkieletowych. Med.Pr. 2014;65(3):317–323
Źródło:
Medycyna Pracy; 2014, 65, 3; 317-323
0465-5893
2353-1339
Pojawia się w:
Medycyna Pracy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Perception of Pupil-Teachers’ Regarding Micro-Teaching Sessions
Autorzy:
Punia, Vandana
Miglani, Priyanka
Singh, Shireesh Pal
Powiązania:
https://bibliotekanauki.pl/articles/1193255.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Attitude
Microteaching
Pupil Teacher
Opis:
The main rationale behind this study was to explore perception of pupil-teachers’ regarding micro-teaching sessions in Indian scenario. The participants of the study were 200 pupil teachers of B.Ed colleges of Chaudhary Devilal University Sirsa, Haryana. The tool used in the study for data collection was a 15-item questionnaire developed by the researcher with the help of supervisor. The findings revealed that the entire sample of student teachers has not favourable attitude towards Microteaching and they were of opinion that although Microteaching sessions provides a scope to enhance their teaching competencies for real teaching sessions yet there is scope for some drastic changes in this programme. Based on the findings, suggestions were made for improving Microteaching technique so that they can face classroom situation without fear.
Źródło:
World Scientific News; 2016, 27; 1-9
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wireless Sensor Based Health Monitoring System for Co-Morbid Patient
Autorzy:
Priyanka, D.
Saranya, A.
Priyanka, S. Selva
Vinothini, S.
Janani, M.
Sangeetha, S.
Powiązania:
https://bibliotekanauki.pl/articles/1193540.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Buzzer
LCD
Sensors
ZigBee
Opis:
Patients are suffering from physical and mental activities called co-morbidities. We have to give treatments for co-morbid patients while in home or in hospital. The patient should be monitored by caregivers. Caregivers can’t predict the accurate timing and the exact change of the optimal result of the patient. In this case, we have to use sensor to monitor the patient activities without manual support. By using eye blink sensor, motion sensor and temperature sensor to check the level of patient and it will be displayed in LCD. If some abnormalities occur, we have to give alarm by using buzzer to caregiver, doctor or family members. We have to use ZigBee, for storing the patient details in the hospital management. It is useful to check the patient report with secure level in the database.
Źródło:
World Scientific News; 2016, 41; 22-26
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A study of an iconic representations of textile designs in temple paintings of Sri Lanka
Autorzy:
Karunaratne, Priyanka Virajini Medagedara
Bhagya, Nilmini
Powiązania:
https://bibliotekanauki.pl/articles/1177423.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Aesthetic values
Floral Design
Layout
Motifs
Temple paintings
Traditional Expression
Opis:
Since ancient times textiles have become a rich cultural heritage. Textile designs convey a rich textile tradition in Sri Lanka in the maritime region mural paintings which are significant in their stylistic, elegant and complex nature. This iconic representation of Sri Lankan art produced an elaborate textile tradition that blended with an important visual, cultural expression and a distinctive craftsmanship. These design motifs are different compared to the other temple mural tradition in Sri Lanka showing originality and response to a well formed social economic structure. It is, in terms of textile design, aesthetic of artistic value, visually intense, as a priority and has a wide range of design placement types. The objective of the study is to identify the textile design patterns and its unique design formats depicted in the Southern school of art with a view to identifying it’s an iconic features. The present study adopted the qualitative research method and data were gathered from the three selected temples in the Southern province and one temple from the Western province; Purvaramaya at Kataluwa, Sunandaramaya at Ambalangoda, Thotagamuwa temple at Telwatta, Sri Subadhraramaya Balapitiya and Subodharamaya at Karagampitiya, Colombo (Western province) This study reveals the sophistication of textile design composition, its characteristics and the rising demand for such flora and fauna for print designs.
Źródło:
World Scientific News; 2018, 103; 19-31
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Composite Labelling of Graphs - II
Autorzy:
Karuppuswamy, Priyanka
Kureethara, Joseph Varghese
Powiązania:
https://bibliotekanauki.pl/articles/1177829.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Composite Labelling
GCD
Labelling of Graphs
Total Labelling
Opis:
Composite labelling is a bijective function from the set of all vertices and edges to the set of all natural numbers up to the sum of the number of all vertices and edges in a graph. In this paper, the composite labelling of the Cartesian and Tensor Products of paths, Corona of ismorphic cycles and generalised Petersen graph are explored.
Źródło:
World Scientific News; 2018, 99; 227-234
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelling sensitive issues on successive waves
Autorzy:
Priyanka, Kumari
Trisandhya, Pidugu
Powiązania:
https://bibliotekanauki.pl/articles/1359283.pdf
Data publikacji:
2019-04-25
Wydawca:
Główny Urząd Statystyczny
Tematy:
Sensitive variable
Successive waves
Scrambled Response model
Class of estimators
Population mean
Bias
Mean squared error
Optimum matching fraction
Opis:
This paper addresses the problem of estimation of population mean of sensitive character using non-sensitive auxiliary variable at current wave in two wave successive sampling. A general class of estimator is proposed and studied under randomized and scrambled response model. Many existing estimators have been modified to work for sensitive population mean estimation. The modified estimators became the members of proposed general class of estimators. The detail properties of all the estimators have been discussed. Their behaviour under randomized and scrambled response techniques have been elaborated. Numerical illustrations including simulation have been accompanied to judge the performance of different estimators. Finally suitable recommendations are forwarded.
Źródło:
Statistics in Transition new series; 2019, 20, 1; 41-65
1234-7655
Pojawia się w:
Statistics in Transition new series
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Concepts Arising from Strong Efficient Domination Number. Part II
Autorzy:
Meena, N.
Priyanka, G. Jeba
Powiązania:
https://bibliotekanauki.pl/articles/1031591.pdf
Data publikacji:
2020
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Domination
strong efficient domination
strong efficient non bondage number
Opis:
Let G = (V,E) be a simple graph. A subset S of V(G) is called a strong (weak) efficient dominating set of G if for every v∈V(G),|N_s [v]∩S|=1.( |N_w [v]∩S|=1), where〖 N〗_s (v)={u∈V(G):uv∈E(G),degu≥degv}(N_w (v){u∈V(G),uv∈E(G),degv≥degu}. The minimum cardinality of a strong (weak) efficient dominating set of G is called the strong (weak) efficient domination number of G and denoted by γ_se (G)(γ_we (G)). The strong efficient non bondage number b_sen (G) is the maximum cardinality of all sets of edge X⊆E such that γ_se (G-X) = γ_se (G). In this paper, the strong efficient non bondage number of some corona related graphs are studied.
Źródło:
World Scientific News; 2020, 146; 22-35
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Consumer demand for linen apparel fashion in Sri Lanka
Autorzy:
Karunaratne, Priyanka Virajini Medagedara
Withanage, Dulini
Powiązania:
https://bibliotekanauki.pl/articles/1031830.pdf
Data publikacji:
2020
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Climatic condition
Comfortability
Consumers
Demand
linen fashion apparels
Opis:
In the last few decades of the twenty-first century there was a great revival in consumer demand for linen, particularly in the form of apparel fashion products. This trend has continued into the first decade of the twenty-first century, and promotional activities to increase consumer awareness of the desirable characteristics of linen have intensified, especially in European countries. Linen is an expensive fabric when compared to the other fabric types like cotton, viscose, nylon, and polyester. Due to the complexity of the manufacturing process linen is considered a luxury fabric material. Linen is manufactured from the flax plant which is taking more time to source it as a raw material for fabric manufacturing. Therefore the cost of the linen fabric is higher and apparel prices are relatively higher in cost. Most of the consumers prefer the hand feel of the linen fabric and its comfortability factor. They also demand the elegant look of the linen fashion apparel too. Therefore even at a higher price, consumers in Sri Lanka are not reluctant to buy the linen fashion apparel. The climatic changes in Sri Lanka have also become a significant factor for choose linen fashion apparel. It brings a comfortability to the wearer in a hot climate. However, In Sri Lanka, linen is consumed by different groups of consumers who are highly demanding linen fashion apparel. But this demand is not normal. According to the demand and supply theories, when the price for a particular product rises, the demand for that particular product falls. However, when considering linen apparel, although the price is higher, demand does not fall. This study aims to find out factors that caused unusual demand for linen fashion apparel in Sri Lanka. Factors that influence consumer buying behavior will be discussed. Adopted quantitative and qualitative research methods used to gather, sort, and analyze data. The research is focused on female consumers and the age limit is denied in the research.
Źródło:
World Scientific News; 2020, 147; 104-123
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The relationship between self-forgiveness and human flourishing: Inferring the underlying psychological mechanisms
Autorzy:
Pandey, Ruchi
Tiwari, Gyanesh Kumar
Parihar, Priyanka
Rai, Pramod Kumar
Powiązania:
https://bibliotekanauki.pl/articles/2122156.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
self-forgiveness
realization & reparation
guilt
attribution
hedonic well-being
eudaimonic well-being
human
flourishing
Opis:
The study aims to examine the role of Self-Forgiveness in shaping the Human Flourishing of the adults. Two hundred fourteen participants (18 to 30 years) comprising 100 males (Mean Age = 22.15(1.61)) and 114 females (Mean Age = 22.00(1.95)) were chosen for the study. Self-forgiveness (Mudgal & Tiwari, 2017a) and Mental Health Continuum-Short Form (Keyes, 2005) were used as the tools. Self-forgiveness comprises Realization & Reparation, Guilt, Attribution and overall self-forgiveness (sum of the first three) while Human Flourishing consists of Hedonic and Eudaimonic (Social plus Psychological) Well-Being. The aggregate of Hedonic and Eudaimonic is overall Human Flourishing. The findings suggested no gender differences in Self-Forgiveness of the participants. Conversely, gender differences were observed in all the dimensions of Human Flourishing in favour of males. Irrespective of gender, Realization & Reparation was positively correlated with Hedonic, Social, Psychological and Eudaimonic Well-Being as well as Human Flourishing except for Guilt and Attribution that showed small positive or negative correlations. Irrespective of gender, Overall Self-Forgiveness correlated positively with all the dimensions of Flourishing. Gender and Realization & Reparation emerged as the significant predictors accounting for significant variance in all the dimensions of Flourishing while Guilt and Attribution did not. The findings suggested that remorse, easy acceptance of wrongdoing, repairing the relationship with self and others, ability to minimize negative emotions towards self, monitoring others’ positive behaviours and acknowledgements of valued and close relationships were the psychological mechanisms that may underlie the predictive strengths of self-forgiveness in regulating flourishing.
Źródło:
Polish Psychological Bulletin; 2020, 51, 1; 23-36
0079-2993
Pojawia się w:
Polish Psychological Bulletin
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Understanding the Relationship between Self-Compassion and Interdependent Happiness of the Married Hindu Couples
Autorzy:
Parihar, Priyanka
Tiwari, Gyanesh Kumar
Rai, Pramod Kumar
Powiązania:
https://bibliotekanauki.pl/articles/2128998.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
common humanity vs. Isolation
demographic factors
interdependent happiness
married Hindu couples
mindfulness vs. over-identification
self-kindness vs. self-judgement
Opis:
The study examined the relationships among some demographic factors, self-compassion and interdependent happiness of the married Hindu couples. Using a correlational research design, 600 participants (300 couples) were chosen by a snowball sampling. Self-compassion Scale (Neff, 2003b), Socioeconomic Status Scale (Aggarwal et al., 2005) and Interdependent Happiness Scale (Hitokoto & Uchida, 2015) were used to collect data. Findings revealed that some demographic factors such as age, years of marriage and number of family members were positively correlated with self-compassion while the number of children and socioeconomic status were negatively correlated with it. Age, years of marriage and the number of children had a positive relationship with interdependent happiness. Self-compassion evinced a significant positive correlation with the interdependent happiness of the couples. The nature of family and self-compassion accounted for significant variance in the scores of interdependent happiness of the couples. The study constitutes one of the limited studies which assessed the relationships among a set of demographic factors, self-compassion and interdependent happiness on a sample drawn from a collectivistic society. The results have been discussed in the light of extant theoretical and empirical findings of self-compassion and interdependent happiness. The findings may have significant implications for understanding positive life outcomes of people with self-compassion belonging to a collectivistic culture. The theory, practise and policy implications of the findings have been discussed. Directions for future research have also been provided along with some limitations of the study.
Źródło:
Polish Psychological Bulletin; 2020, 51, 4; 260-272
0079-2993
Pojawia się w:
Polish Psychological Bulletin
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Conceptualizing In-Text “Kshetra”: Postcolonial Allahabad’s Cultural Geography in Neelum Saran Gour’s Allahabad Aria and Invisible Ink
Autorzy:
Das, Chhandita
Tripathi, Priyanka
Powiązania:
https://bibliotekanauki.pl/articles/2032689.pdf
Data publikacji:
2021-11-22
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
Allahabad
multiculturalism
postcolonial
cultural geography
“kshetra”
Opis:
Literary renditions of cities have always gravitated towards the spatial imagination and its ethical counterpart outside the textual space. This paper explores the multicultural geography of the North Indian city Allahabad (recently renamed Prayagraj) observed through Neelum Saran Gour’s postcolonial narratives Allahabad Aria and Invisible Ink, projecting the narrative alignment of spatial aesthetics and cultural ethics. Interrogating the spatial dimensions of a “narrative world” within narrative theory (Ryan) and its interdisciplinary crossover with cultural geography (Sauer; Mitchell; Anderson et al.), the article seeks to examine Gour’s literary city not simply as an objective homogeneous representation, but as a “kshetra” of spatio-cultural cosmos of lived traditions, memories, experiences and collective attitudes of its people, in the context of E. V. Ramakrishnan’s theoretical reflections. The article proposes new possibilities of adapting the Indian concept “kshetra” to spatial literary studies; its aim is also to suggest a new source of knowledge about the city of Allahabad through a community introspection of “doing culture” in the texts, bringing into view people’s shared experiences, beliefs, religious practices and traditions as offshoots of the postcolonial ethos. The article aims to re-contextualize the city’s longstanding multicultural ethics in the contemporary times of crisis, which may affect a shift in the city’s relevance: from regional concern to large-scale significance within ethnically diverse South Asian countries and beyond.
Źródło:
Text Matters: A Journal of Literature, Theory and Culture; 2021, 11; 389-403
2083-2931
2084-574X
Pojawia się w:
Text Matters: A Journal of Literature, Theory and Culture
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigation of Different Transfer Functions for Optical Limiting Amplifier used in a 2R Burst Mode Optical Regenerator
Autorzy:
Deodhar, Yash
Reddy, Jeeru Jaya Sankar
Kakade, Priyanka Desai
Kakade, Rohan
Powiązania:
https://bibliotekanauki.pl/articles/1844502.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
optical limiting amplifier
burst mode
ASE noise
nonlinearity
bit error rate
optical regeneration
Opis:
The major difference between a continuous mode optical regenerator (CMOR) and a burst mode optical regenerator (BMOR) is that a BMOR is capable of handling large variations in the input power which makes it useful in optical packet switched and optical burst switched networks. This is due to the optical limiting amplifier (OLA) present in the BMOR. Using computer modelling, the impact of using different OLA non-linear transfer functions on the output bit error rate of a system consisting of a cascade of 2R BMORs has been investigated. The effect of amplified spontaneous emission (ASE) noise introduced in the inter-regenerator links has also been taken into consideration. Also, a brief review of existing OLA designs is presented.
Źródło:
International Journal of Electronics and Telecommunications; 2021, 67, 3; 409-416
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pressure Settlement Behaviour and Bearing Capacity of Asymmetric Embedded Plus Shaped Footing on Layered Sand
Autorzy:
Rawat, Priyanka
Dutta, Rakesh Kumar
Powiązania:
https://bibliotekanauki.pl/articles/2051675.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
granulated blast furnace slag
soil stabilization
settlement
shaped footing
numerical investigations
żużel wielkopiecowy granulowany
stabilizacja gruntu
osiadanie
ława fundamentowa
badania numeryczne
Opis:
The aim of the present numerical study was to analyse the pressure settlement behaviour and bearing capacity of asymmetric plus shaped footing resting on loose sand overlying dense sand at varying embedment depth. The numerical investigation was carried out using ABAQUS software. The effect of depth of embedment, friction angle of upper loose and lower dense sand layer and thickness of upper loose sand on the bearing capacity of the asymmetric plus shaped footing was studied in this investigation. Further, the comparison of the results of the bearing capacity was made between the asymmetric and symmetric plus shaped footing. The results reveal that with increase in depth of embedment, the dimensionless bearing capacity of the footings increased. The highest increase in the dimensionless bearing capacity was observed at embedment ratio of 1.5. The increase in the bearing capacity was 12.62 and 11.40 times with respect to the surface footings F1 and F2 corresponding to a thickness ratio of 1.5. The lowest increase in the dimensionless bearing capacity was observed at embedment ratio of 0.1 and the corresponding increase in the bearing capacity was 1.05 and 1.02 times with respect to the surface footing for footings F1 and F2 at a thickness ratio of 1.5.
Źródło:
Civil and Environmental Engineering Reports; 2021, 31, 3; 152-176
2080-5187
2450-8594
Pojawia się w:
Civil and Environmental Engineering Reports
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of various drying methods on physicochemical characteristics, antioxidant activity and bioactive compounds in Centella asiatica L. leaves: a comparative study
Autorzy:
Mohapatra, Priyanka
Ray, Asit
Jena, Sudipta
Nayak, Sanghamitra
Mohanty, Sujata
Powiązania:
https://bibliotekanauki.pl/articles/16648130.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
antioxidant activity
bioactive compounds
Centella asiatica
color characteristics
drying methods
Opis:
This comparative study aimed to evaluate the effects of different drying methods such as solar drying, shade drying (SHD), freeze drying (FD), oven drying, and microwave drying on the physicochemical properties, bioactive components, and antioxidant activity of Centella asiatica. The results showed that out of all the treated samples, FD-treated samples showed the lowest moisture content (2.4%), the lowest water activity (0.24%), and the highest rehydration ratio (5.51%). For samples treated using different drying methods, significant differences in Commission on Illumination – LAB (L *, a *, and b *) values and total color difference (E) were observed. FD-treated samples showed the minimum color change (E) and highest lightness (L*). Additionally, upon Fourier transform infrared spectral analysis, no major changes in the functional groups were observed between C. asiatica leaves processed using different drying methods. FD-treated samples showed the highest antioxidant activity followed by SHD-treated samples, as measured by 2,2-diphenyl-1-picrylhydrazyl and 2,2-azino-bis-3-ethylbenzothiazoline-6-sulphonic acid radical scavenging assays. The phenolic (chlorogenic acid, rutin, kaempferol, and quercetin) and triterpene saponin (madecassoside, asiaticoside, madecassic acid, and asiatic acid) contents of the dried samples of C. asiatica were measured using high-performance liquid chromatography, which showed that the FD method allowed for the highest retention of phenolic and triterpene saponins among the tested drying techniques. The physicochemical characteristics, antioxidant potential, and bioactive retention of the samples that underwent FD treatment were superior to those of other methods, and therefore, FD can be employed as the first-line drying technique for processing C. asiatica leaves.
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2022, 103, 3; 235-247
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
MHD free convective heat and mass transfer flow from a vertical porous surface with variable thermal conductivity, variable mass diffusivity and thermal diffusion including viscous dissipation and chemical reaction
Autorzy:
Phakirappa, J.
Priyanka, S.
Veena, P. H.
Pravin, V. K.
Powiązania:
https://bibliotekanauki.pl/articles/2174212.pdf
Data publikacji:
2022
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
lepkość
reakcja chemiczna
magnetohydrodynamika
MHD
VTD
VMD
viscous dissipation
chemical reaction
Opis:
analysis is carried out to study chemically reactive, viscous dissipative effects of an incompressible and electrically conducting fluid with MHD free convection adjacent to a vertical surface with variable thermal conductivity (VTD) and variable mass diffusivity (VMD). An approximate numerical solution for the steady laminar boundary layer flow over a wall of the surface in the presence of species concentration and thermal mass diffusion has been studied. Using numerical techniques the governing boundary layer equations are solved to get the exact solution. Numerical calculations are carried out for different values of dimensionless parameters. The results are exhibited through various graphs and it is observed from the analysis of the results that the velocity field is appreciably influenced by the magnetic effect, porous effect, chemical reaction and buoyancy ratio between the species and thermal diffusion at the wall of the surface.
Źródło:
International Journal of Applied Mechanics and Engineering; 2022, 27, 3; 127--136
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 20

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