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Evaluating the rural health placements of the Rural Support Network at the Faculty of Health Sciences, University of Cape Town
CS Naidu
South African Family Practice , 2012,
Abstract: Objectives: The Rural Support Network (RSN) is an undergraduate student society that aims to raise awareness among the student body of the plight of rural health in South Africa, and organises individual and group placements in rural hospitals during vacations. This research aimed to evaluate these placements from the students’ perspectives. Design: In-depth, face-to-face interviews were conducted with 10 students and nine placement-reflective reports were reviewed. The data were analysed and coded for key themes using a constant, comparative grounded theory approach. Setting: Faculty of Health Sciences (FHS) at the University of Cape Town. Subjects: Students who had been on RSN placements in 2010. Results: Students reported that the experience exceeded their expectations of learning new skills and observing and performing procedures. They gained significant insights into rural health care and were inspired to contribute to rural health in future. Their experiences helped them to gain confidence and an appreciation of the psycho-social aspects of patient care. The importance of community empowerment and of connecting and building relationships with communities was also emphasised. Challenges pertained to conflict within groups, incidents of unprofessional health care and being unable to help as much as they would have liked. Conclusion: The study highlights the impact that positive experiences of rural health may have on health science students’ interest in, passion for, and commitment to practising in underserved rural areas. Students’ key recommendations for the FHS included the development of a rural programme within the undergraduate curriculum. Better group composition and improved planning and co-ordination of placements by the RSN were also recommended.
Impact of Different Carbohydrates and Their Concentrations on in Vitro Regeneration of Solanum viarum (Dunal)—An Important Anticancer Medicinal Plant  [PDF]
Manikyam Doraiswamy Naidu Mahadev, Chandra Sekhar Panathula, ChallagundlaVaradarajulu Naidu
American Journal of Plant Sciences (AJPS) , 2014, DOI: 10.4236/ajps.2014.51026

In this present study, the effect of various carbon sources such as sucrose, glucose, fructose and maltose was investigated on in vitro shoot regeneration of Solanum viarum using axillary bud explants. The frequency, growth and multiplication rate were highly influenced by the type and concentration of carbon source used. Among the different concentrations (1%-6%) of carbohydrates studied, the maximum number of shoots (22.6 ± 0.50) and shoot length (5.92 ± 0.13 cm) was obtained on MS medium supplemented with 4% (w/v) fructose. The least number of shoots (1.5 ± 0.32) was obtained on 6% maltose and the least shoot length (1.2 ± 0.23) was observed on 6% glucose. Among the four types of carbon sources that were employed in the present study, fructose at 4%

The Stimulatory Effects of the Antimicrobial Agents Bavistin, Cefotaxime and Kanamycin on In Vitro Plant Regeneration of Centella asiatica (L.)—An Important Antijaundice Medicinal Plant  [PDF]
Chandra Sekhar Panathula, Manikyam Doraiswamy Naidu Mahadev, Challagundla Varadarajulu Naidu
American Journal of Plant Sciences (AJPS) , 2014, DOI: 10.4236/ajps.2014.53038

Antimicrobial agents such as bavistin, cefotaxime and kanamycin were evaluated for their effects on the rapid shoot regeneration from nodal explants of Centella asiatica (L.). Filter sterilized bavistin (250 mg/L) was augmented alone and in combination with cytokinins such as BAP and TDZ into the media to trace the effect on regeneration. On this basis, the potential use of bavistin (150 mg/L) along with BAP (2.0 mg/L) was evaluated which showed the maximum shoot number (6.6) and shoot length (4.4 cm) respectively. Cefotaxime at the concentration of 100 μM/L was found to be effective to obtain the maximum shoot number formation (5.8) with the regeneration frequency (90%). Kanamycin at the concentration of 80 μM/L induced maximum shoot regeneration (5.12). Kanamycin at 100 μM/L or at higher concentrations reduced the shoot regeneration. The best rooting response was noticed when in vitro regenerated microshoots were transferred to the rooting medim which was supplemented with IBA (2.0

Influence of Ethylene Inhibitor Silver Nitrate on Direct Shoot Regeneration from in Vitro Raised Shoot Tip Explants of Sphaeranthus indicus Linn.—An Important Antijaundice Medicinal Plant  [PDF]
K. Harathi, C. V. Naidu
American Journal of Plant Sciences (AJPS) , 2016, DOI: 10.4236/ajps.2016.73046
Abstract: In the present investigation, an attempt has been made to study the influence of ethylene inhibitor silver nitrate on direct shoot regeneration in Sphaeranthus indicus, an important antijaundice medicinal plant, by using in vitro raised shoot tip explants. The effect of various concentrations of kinetin, BAP (0.5 - 3.0 mg/l), and NAA (0.1 - 0.5 mg/l) along with AgNO3 (0.1 - 1.0 mg/l) was studied. Among the combinations tested MS medium augmented with kinetin (1.0 mg/l), NAA (0.1 mg/l) and AgNO3 (0.4 mg/l) was found to be optimum for production of multiple shoots (34.3 ± 0.36). Addition of AgNO3 to the media not only increases shoot number in all the concentrations tested but also shoot length. AgNO3 at the concentration of 0.4 mg/l produced 35% more number of multiple shoots when compared to multiple shoots (10.8 ± 0.12) produced in control. In the present study by the addition of ethylene inhibitor silver nitrate and growth regulators, more number of multiple shoots (three folds) and shoot length was observed compared to control. These in vitro raised shoots were transferred to the rooting medium containing different concentrations of auxins such as NAA and IAA along with AgNO3 (0.1 - 0.6 mg/l). Better rooting response (21.6) was observed on NAA (2.0 mg/l) and AgNO3 (0.4 mg/l) containing media. The healthy rooted plantlets were transferred to polybags containing soil and vermiculate in 1:1 ratio for hardening. Finally the hardened plants were transferred to field environment for utmost survivability.
Determination of Azacitidine by Spectrophotometric Method  [PDF]
B. Ramachandra, N. Venkatasubba Naidu
Open Journal of Medicinal Chemistry (OJMC) , 2018, DOI: 10.4236/ojmc.2018.82002
Abstract: Simple, selective and sensitive spectrophotometric method has been developed for the determination of Azacitidine in pharmaceutical formulations and blood with MBTH (3-methyl-2-benzothiazolone hydrazone hydrochloride) reagent, at PH-4.0 which is extractable at 620 nm. Beer’s law is obeying in the concentration ranges 10 - 35 μg·ml-1 for formulations and 4 - 24 μg·ml-1 for blood sample. %R.S.D was found to be 0.0240%, 0.0610 and Recovery 99.82% 99.24% respectively. The method was completely validated and proven to be rugged. The interferences of the other ingredients and excipients were not observed. The repeatability and the performance of the proven method were conventional by point and interior proposition and through recovery studies.
Common eye emergencies
K Naidu
Continuing Medical Education , 2007,
A Comparison of Qualitative and Quantitative Methods of Detecting Earnings Management: Evidence from two Fijian Private and two Fijian State-owned Entities
Dharmendra Naidu
Australasian Accounting Business and Finance Journal , 2013,
Abstract: This paper compares the performance-matched discretionary accrual model (quantitative)and the Mulford and Comiskey (2002) qualitative measure to compute earnings management in two state-owned and two private entities for 1998 to 2009. The results provide evidence that the two measures are unable to provide similar results for theexistence of earnings management. The difference in the results between the two methods is attributed to the different ontological and epistemological views and the primary focus of the respective models. The results do not imply superiority of any model.
Fixed points and coincidence points for multimaps with not necessarily bounded images
Naidu SVR
Fixed Point Theory and Applications , 2004,
Abstract: In metric spaces, single-valued self-maps and multimaps with closed images are considered and fixed point and coincidence point theorems for such maps have been obtained without using the (extended) Hausdorff metric, thereby generalizing many results in the literature including those on the famous conjecture of Reich on multimaps.
Categorical Morita equivalence for group-theoretical categories
Deepak Naidu
Mathematics , 2006,
Abstract: A finite tensor category is called pointed if all its simple objects are invertible. We find necessary and sufficient conditions for two pointed semisimple categories to be dual to each other with respect to a module category. Whenever the dual of a pointed semisimple category with respect to a module category is pointed, we give explicit formulas for the Grothendieck ring and for the associator of the dual. This leads to the definition of categorical Morita equivalence on the set of all finite groups and on the set of all pairs (G, w), where G is a finite group and w is a 3-cocycle on G. A group-theoretical and cohomological interpretation of this relation is given. A series of concrete examples of pairs of groups that are categorically Morita equivalent but have non-isomorphic Grothendieck rings are given. In particular, the representation categories of the Drinfeld doubles of the groups in each example are equivalent as braided tensor categories and hence these groups define the same modular data.
Twisted quantum Drinfeld Hecke algebras
Deepak Naidu
Mathematics , 2012,
Abstract: We generalize quantum Drinfeld Hecke algebras by incorporating a 2-cocycle on the associated finite group. We identify these algebras as specializations of deformations of twisted skew group algebras, giving an explicit connection to Hochschild cohomology. We classify these algebras for diagonal actions, as well as for the symmetric groups with their natural representations. Our results show that the parameter spaces for the symmetric groups in the twisted setting is smaller than in the untwisted setting.
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