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Ninan, N.,Muthiah, M.,Park, I.K.,Kalarikkal, N.,Elain, A.,Wui Wong, T.,Thomas, S.,Grohens, Y. North-Holland 2014 Materials letters Vol.132 No.-
In our previous study, we have synthesised pectin/carboxymethyl cellulose/microfibrillated cellulose composite scaffolds by lyophilisation and investigated its morphological, mechanical, thermal properties and tested their cytotoxicity. In this work, we explored the wound healing ability of pectin/carboxymethyl cellulose/microfibrillated cellulose based composite scaffolds. The pore size of the prepared scaffold was ideal for the growth of dermal fibroblasts. The in vivo studies conducted on Sprague Dawley rats showed that it could promote skin regeneration within ten days. The histological examination revealed excellent collagen deposition and complete re-epithelialisation in case of rats treated with composite, confirming its potential as excellent wound dressing material.
The Results of a Breast Cancer Screening Camp at a District Level in Rural India
Reddy, Neha,Ninan, Tilu,Tabar, Laszlo,Bevers, Therese Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.12
Background: Breast cancer in developing countries is on the rise. There are currently no guidelines to screen women at risk in India. Since mammography in the western world is a well-accepted screening tool to prevent late presentation of breast cancer and improve mortality, it is intuitive to adopt mammography as a screening tool of choice. However, it is expensive and fraught with logistical issues in developing countries like India. Materials and Methods: Our breast cancer screening camp was done at a local district hospital in India after approval from the director and administrators. After initial training of local health care workers, a one-day camp was held. Clinical breast examination, mammograms, as well as diagnostic evaluation with ultrasound and fine needle aspiration biopsy were utilized. Results: Out of total 68 women screened only 2 women with previous history of breast cancer were diagnosed with breast cancer recurrence. None of the women in other groups were diagnosed with breast cancer despite suspicious lesions either on clinical exam, mammogram or ultrasound. Most suspicious lesions were fibroadenomas. The average cost of screening women who underwent mammography, ultrasound and fine needle aspiration was $30 dollars, whereas it was $16 in women who had simple clinical breast examination. Conclusions: Local camps act as catalysts for women to seek medical attention or discuss with local health care workers concerns of discovering new lumps or developing breast symptoms. Our camp did diagnose recurrence of breast cancer in two previously treated breast cancer patients, who were promptly referred to a regional cancer hospital. Further studies are needed in countries like India to identify the best screening tool to decrease the presentation of breast cancer in advanced stages and to reduce mortality.
Varghese Meera,Ninan Gisa Grace,Jayaram Saranya,Sarojini Suma,Balachandran Manoj 한국탄소학회 2024 Carbon Letters Vol.34 No.5
Carbon nanomaterials (CNMs) have been the subject of extensive research for their potential applications in various fields, including photovoltaics and medicine. In recent years, researchers have focused their attention on CNMs as their high electrical conductivity, low cost, and large surface area are promising in replacing traditional platinum-based counter electrodes in dye-sensitized solar cells (DSSC). In addition to their electrical properties, CNMs have also displayed antibacterial activity, making them an attractive option for medical applications. The combination of CNMs with metal oxides to form composite materials represents a promising approach with significant potential in various fields, including energy and biology. Here, we introduce porous carbon nanospheres (PCNS) derived from Cocos nucifera L. and its ZnO composite (PCNS/ZnO) as an alternative material, which opens up new research insights for platinum-free counter electrodes. Bifacial DSSCs produced using PCNS-based counter electrodes achieved power conversion efficiencies (PCE) of 3.98% and 2.02% for front and rear illumination, respectively. However, with PCNS/ZnO composite-based counter electrodes, the efficiency of the device increased significantly, producing approximately 5.18% and 4.26% for front and rear illumination, respectively. Moreover, these CNMs have shown potential as antibacterial agents. Compared to PCNS, PCNS/ZnO composites exhibited slightly superior antibacterial activity against tested bacterial strains, including gram-positive Bacillus cereus (B. cereus) and Staphylococcus aureus (S. aureus), and gram-negative Vibrio harveyi (V. harveyi) and Escherichia coli (E. coli) with MIC values of 125, 250, 125, and 62.5 µg/ml, respectively. It is plausible that the outcomes observed were influenced by the synergistic effects of the composite material.