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21.
A. K. Pendse Rajbaia Kavita Sharma Asha Mehta P. P. Singh C. Bordia 《Indian journal of clinical biochemistry : IJCB》1994,9(2):91-95
Jhamarkotra is located a distance of 25 kms from Udaipur city. It has richest deposits of phosphorite ore (Rock phosphate) in our country. The mine has been under operation for the last several years. However, the effect of environmental influence have not been investigated. In the present study water analysis from 8 points of delivery in mine area along with pathological and biochemical parameters is reported. The water is relatively hard and has significantly high content of fluoride and chloride. The miners were divided into four groups on the basis of their exposure in the mining area. The group were; a) non exposed, b) indirectly exposed, c) transiently exposed and d) directly exposed. These were compared with controls. The results indicate that serum uric acid, GPT, alkaline phosphatase level were elevated in directly exposed miners. 相似文献
22.
Angela R. Dixon Shrinidhi Rajan Chuan-Hsien Kuo Tom Bersano Rachel Wold Nobuyuki Futai Shuichi Takayama Geeta Mehta 《Biomicrofluidics》2014,8(1)
We present a microfluidic device designed for maintenance and culture of non-adherent mammalian cells, which enables both recirculation and refreshing of medium, as well as easy harvesting of cells from the device. We demonstrate fabrication of a novel microfluidic device utilizing Braille perfusion for peristaltic fluid flow to enable switching between recirculation and refresh flow modes. Utilizing fluid flow simulations and the human promyelocytic leukemia cell line, HL-60, non-adherent cells, we demonstrate the utility of this RECIR-REFRESH device. With computer simulations, we profiled fluid flow and concentration gradients of autocrine factors and found that the geometry of the cell culture well plays a key role in cell entrapping and retaining autocrine and soluble factors. We subjected HL-60 cells, in the device, to a treatment regimen of 1.25% dimethylsulfoxide, every other day, to provoke differentiation and measured subsequent expression of CD11b on day 2 and day 4 and tumor necrosis factor-alpha (TNF-α) on day 4. Our findings display perfusion sensitive CD11b expression, but not TNF-α build-up, by day 4 of culture, with a 1:1 ratio of recirculation to refresh flow yielding the greatest increase in CD11b levels. RECIR-REFRESH facilitates programmable levels of cell differentiation in a HL-60 non-adherent cell population and can be expanded to other types of non-adherent cells such as hematopoietic stem cells. 相似文献
23.
Of the world's largest child labor force in India, Bombay has over 30,000 working children, most of them migrants. In a prospective study of 73 working children from a part of Dharavi, the biggest slum in Asia, 68% were working as hotel boys; 22% had started working before their 10th birthday, a large number doing so to increase the family income, but earning less than Rs. 100 ($11) per month. Forty percent worked more than 12 hours a day and only 16% continued schooling. Two-thirds depended entirely on their employers for food which was adequate and no child in the study was malnourished. Overall incidence of anemia and vitamin deficiency was 10% each. Only 7% had ailments related to their occupation. Because this was a cross-sectional study no conclusions can be drawn regarding long term and residual effects. Preventing children from working is likely to make worse their own as well as their families' problems unless substitute sources of income or welfare are available. Legal protection and other services near their working places are essential for those who have to work. 相似文献
24.
We present a multigroup multilevel confirmatory factor analysis (CFA) model and a procedure for testing multilevel factorial invariance in n-level structural equation modeling (nSEM). Multigroup multilevel CFA introduces a complexity when the group membership at the lower level intersects the clustered structure, because the observations in different groups but in the same cluster are not independent of one another. nSEM provides a framework in which the multigroup multilevel data structure is represented with the dependency between groups at the lower level properly taken into account. The procedure for testing multilevel factorial invariance is illustrated with an empirical example using an R package xxm2. 相似文献
25.
Ergado Amanuel Ayde Desta Amare Mehta Hemini 《Education and Information Technologies》2021,26(3):3115-3133
Education and Information Technologies - Information and communication technology (ICT) is an important element to improve teaching-learning practices. This paper is aimed to determine the barriers... 相似文献
26.
Deepa Kumar 《Critical Studies in Media Communication》2013,30(3):285-302
–This paper investigates whether organized labor can challenge the news media's pro-corporate representations of strikes and labor struggles. I studied the coverage of the 1997 UPS strike in three newspapers: USA Today, The Washington Post, and The New York Times. I found that their strike coverage, spanning about 191 articles, went through three distinct phases over the 15-day period. By studying these phases I agree that, for a brief period, public opinion and class solidarity, mobilized on the basis of a strike against corporate mistreatment of workers, played a key role in changing the tone of reporting, particularly in the Post and the Times. During this phase, the contradictions of the 1990s economic recovery and the problems of the working class became an issue of sustained interest in the public sphere. By showing how labor was able briefly to create an “open marketplace of ideas,” the paper concludes with an assessment of the democratizing potential of a politicized labor movement. 相似文献
27.
Michael D. Mehta Dwaine Plaza 《The Information Society》1997,13(2):153-161
We examined the nature and content of 150 randomly selected pornographic images available in Usenet newsgroups on the Internet in April 1994. Using content analysis, we identified themes that appear most frequently and explored differences in the type of material posted by commercial and noncommercial users. Results suggest that commercial vendors are more likely to post explicit pornographic material in public access newsgroups to attract new customers to their private, pay-per-use bulletin board services. 相似文献
28.
Dr. M.R. Lokeshwar Dr. V.G. Tuteja Dr. A. Fernandez Dr. Meenakshi N. Mehta Dr. V.B. Athavale Dr. Parvaty Krishnan 《Child abuse & neglect》1979,3(3-4)
175 newborns who were admitted to an orphanage in the year 1975–1976 and subsequently died are analysed. Illegitimacy was the major cause for abandoning the babies. 46% of the babies were born in hospitals. 5 babies had congenital anomalies and 11 babies had marks of external injury. 58.8% of the babies abandoned were girls, 82.7% of the babies weighed less than 2.5 kgs. and had some degree of intrauterine growth retardation. The major cause of death was infections which accounted for 79.3% of deaths, of which gastroenteritis (43.4%) was the main killer. Septicemia and bronchopneumonia were the two other major infections that contributed to the deaths. Infections were more common in the low weight babies. Gastroenteritis was probably acquired after introduction of top feeds, due to poor hygiene and occured in all age groups. Majority of babies died of septicemia within 7 days of admission suggesting antenatal and natal infections. Chances of survival increased with increasing weight of the baby. 相似文献
29.
Rajesh Pandey Seema Gupta Harbans Lal H. C. Mehta S. K. Aggarwal 《Indian journal of clinical biochemistry : IJCB》2000,15(1):20-30
Several members of the vitamin B-complex family are known to participate in the normal metabolism of homocysteine (Hcy). Leaving aside the genetic determinants of hyperhomocysteinemia (HHC), the deficiencies of these vitamins can also result in HHC. The situation of sustained and long standing HHC is likely to be prevalent in population groups with low/average socio-economic status, geriatric population and alcohol abusers. If not corrected by supplementation, these population groups certainly are more vulnerable to develop atherosclerosis (AS) and subsequently, cardiovascular disease (CVD). Hyperhomocysteinemia per se and/or HHC-induced oxidative stress result(s) in chronic chemical endothelial injury/dysfunction, smooth muscle proliferation, prothrombotic state and oxidation of low density lipoproteins (LDL) leading to diverse cardiovascular complications. In the first decade of the new millennium, major research efforts would be directed towards understanding the basic mechanism of HHC-induced oxidative stress and the pathophysiology of HHC-induced CVD, culminating in the evolution of hitherto unknown therapeutic strategies such as nutriceuticals and oxidant-antidotes. 相似文献
30.
Santosh Kumar Singh Prashant Kumar Rai Shikha Mehta Rakesh Kumar Singh Geeta Watal 《Indian journal of clinical biochemistry : IJCB》2009,24(4):410-413
The aim of the study was to ascertain the role of ethanolic extract of Cynodon dactylon against hepatic complications in streptozotocin (STZ) induced type 2 diabetic models. Effect of the pre identified most effective dose of 500 mg/kg body weight was studied on hepatic injury caused by chemically induced diabetes by 55 mg/kg body weight i.p. injection of STZ in male Wistar rats. The dose of 500mg/kg body weight given once daily for 14 days reduced the levels of serum glutamate oxaloacetate transaminase, serum glutamate pyruvate transaminase, alkaline phosphatase, creatinine and urine sugar significantly (P<0.05) with increase in total protein, haemoglobin and body weight was increased. High LD50 validates its high margin of safety. 相似文献