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Ekra Jean-Yves,N’Goran Edouard K.,Mboera Leonard E.G.,Gragnon Biégo Guillaume,Assovié Koco Rita Nadège,Mafie Eliakunda Michael 대한기생충학ㆍ열대의학회 2023 The Korean Journal of Parasitology Vol.61 No.2
Bovine trypanosomiasis is a significant health concern for livestock intensification in Côte d’Ivoire. This study aimed to determine the prevalence and distribution of pathogenic trypanosomes and identify the most infected cattle breed in northern Côte d'Ivoire. We examined 700 cattle and found that polymerase chain reaction (PCR) was more sensitive (12.3%) than microscopic observation (5.6%). Among the trypanosome species detected in naturally infected cattle, Trypanosoma vivax was 7.3%, Trypanosoma simiae tsavo was 6.7%, and Trypanosoma congolense was 0.4%. The overall prevalence of trypanosome infection in all cattle breeds was 12.3%, while the prevalence in individual breeds was 14.8%, 7.3%, 10.6%, and 12.3% for N’Dama, Baoule, Zebu, and Mere breed, respectively. The infected animals had low packed cell volume, influencing the prevalence. Our findings indicate that bovine trypanosomes are prevalent in Côte d’Ivoire, and their prevalence varies by region and breed. These pathogens include T. vivax, T. simiae tsavo, and T. congolense.
J. I. Nirmal Kumar,P. R. Sajish,Rita. N. Kumar,Rohit Kumar Bhoi 강원대학교 산림과학연구소 2010 Journal of Forest Science Vol.26 No.1
The present study was conducted to quantify wood and leaf litter decomposition and nutrient release of a dominant tree species, Tectona grandis Linn. F. in a tropical dry deciduous forest of Rajasthan, Western India. The mean relative decomposition rate was maximum in the wet summer and minimum during dry summer. Rainfall and its associated variables exhibited greater control over litter decomposition than temperature. The concentrations of N and P increased in decomposing litter with increasing retrieval days. Mass loss was negatively correlated with N and P concentrations. The monthly weight loss was significantly correlated (P < 0.05) with soil moisture and rainfall in both wood and leaf litter. Tectona grandis was found to be most suitable tree species for plantation programmes in dry tropical regions as it has high litter deposition and decomposition rates and thus it has advantages in degraded soil restoration and sustainable land management.
Kumar, J.I. Nirmal,Sajish, P.R.,Kumar, Rita.N.,Bhoi, Rohit Kumar Institute of Forest Science 2010 Journal of Forest Science Vol.26 No.1
The present study was conducted to quantify wood and leaf litter decomposition and nutrient release of a dominant tree species, Tectona grandis Linn. F. in a tropical dry deciduous forest of Rajasthan, Western India. The mean relative decomposition rate was maximum in the wet summer and minimum during dry summer. Rainfall and its associated variables exhibited greater control over litter decomposition than temperature. The concentrations of N and P increased in decomposing litter with increasing retrieval days. Mass loss was negatively correlated with N and P concentrations. The monthly weight loss was significantly correlated (P < 0.05) with soil moisture and rainfall in both wood and leaf litter. Tectona grandis was found to be most suitable tree species for plantation programmes in dry tropical regions as it has high litter deposition and decomposition rates and thus it has advantages in degraded soil restoration and sustainable land management.
Isaac, Rita,Finkel, Madelon,Olver, Ian,Annie, I.K.,Prashanth, H.R.,Subhashini, J.,Viswanathan, P.N.,Trevena, Lyndal J. Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.8
Background: The majority of women in rural India have poor or no access to cervical cancer screening services, although one.quarter of all cervical cancers in the world occur there. Several large trials have proven the efficacy of low-tech cervical cancer screening methods in the Indian context but none have documented the necessary components and processes of implementing this evidence in a low-resource setting. Methods: This paper discusses a feasible model of implementation of cervical cancer screening programme in low-resource settings developed through a pilot research project carried out in rural Tamilnadu, India. The programme used visual inspection of cervix after acetic acid application (VIA) as a screening tool, nurses in the primary care centres as the primary screeners and peer educators within Self-Help Women groups to raise community awareness. Results: The uptake of screening was initially low despite the access to a screening programme. However, the programme witnessed an incremental increase in the number of women accessing screening with increasing community awareness. Conclusions: The investigators recommend 4 key components to programme implementation in low-resource setting: 1) Evidence-based, cost-effective test and treatment available within the reach of the community; 2) Appropriate referral pathways; 3) Skilled health workers and necessary equipment; and 4) Optimisation of health literacy, beliefs, attitudes of the community.
아미타바 바타차리아,V. N. Karthikai Priya,Ji-hyeon Kim,Mst Rita Khatun,R. Nagarajan,노인섭 한국생체재료학회 2022 생체재료학회지 Vol.26 No.3
Background: The requirements for cell-encapsulated injectable and bioprintable hydrogels are extrusion ability, cell supportive micro-environment and reasonable post-printing stability for the acclimatization of the cells in the target site. Detonation nanodiamond (ND) has shown its potential to improve the mechanical and biological properties of such hydrogels. Enhancing the performance properties of natural biopolymer gelatin-based hydrogels can widen their biomedical application possibilities to various areas including drug delivery, tissue engineering and 3D bioprinting. Method: In this study, natural cross-linker tannic acid (TA) is used along with ferrous sulphate (FS) to optimize the swelling and disintegration of extrudable and 3D printable gelatin hydrogels. The amounts of TA and FS are restricted to improve the extrusion ability of the gels in 3D printing. Further, ND particles (detonation type) are dispersed using twin screw extrusion technology to study their effect on mechanical and biological properties of the 3D printing hydrogel. Results: The improved dispersion of ND particles helps to improve compressive strength almost ten times and dynamic modulus three times using 40 mg ND (2% w/w of gelatin). The surface-functional groups of detonation ND also contributed for such improvement in mechanical properties due to higher interaction with the hydrogel matrix. The stability of the hydrogels in water was also improved to 7 days. Four times improvement of the cell growth and proliferation was observed in ND based hydrogel. Conclusion: The cell-supportive nature of these moderately stable and extrudable ND dispersed gelatin hydrogels makes them a good candidate for short term regenerative applications of cell-encapsulated injectable hydrogels with better mechanical properties.
Bianca Lucas-Granados,Rita Sánchez-Tovar,Ramón M. Fernández-Domene,José García-Antón 한국공업화학회 2019 Journal of Industrial and Engineering Chemistry Vol.70 No.-
In photoelectrochemistry, a suitable photoanode leading to high efficiencies in photocatalytic processesis a research challenge. Iron oxide nanostructures are promising materials to be used as photoanodes. Inthis work, different potentials during iron anodization were applied to study the properties of thesynthesized nanostructures. Results revealed that nanostructures anodized at 50 V presentedwell-defined nanotubular structures with open-tube tops, and they achieved values of photocurrentdensity of 0.11 mA cm 2 at 0 rpm and 0.14 mA cm 2 at 1000 rpm (measured at 0.50 VAg/AgCl),corresponding to the oxygen evolution reaction from water, i.e. 2H2O + 4 h+→ 4H+ + O2, demonstratingtheir good photoelectrochemical behavior.
Bioprospecting in a Tropical Dry Deciduous Forest of Western Rajasthan, India
J. I. Nirmal Kumar,P. R. Sajish,Rita. N. Kumar,Rohit Kumar Bhoi 강원대학교 산림과학연구소 2010 Journal of Forest Science Vol.26 No.1
Bioprospecting has been widely used to assess the economic potential of different plant species and their value-addition. Prospecting for biological material like plants with medicinal or other economically valuable properties like fibre or oil is becoming a dynamic activity. Our folklore with embedded cultural heritage has tremendous possibilities and potential for bioprospecting. This forest region of Western Rajasthan is enriched with diverse vegetational wealth, if subjected to bioprospecting may prove to be a boon for the society.