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author:("Desai, primi")
1.  PA01.04. Assessment of acharrasayan in domain of physical, mental & social health in Ayurveda students 
Ancient Science of Life  2012;32(Suppl 1):S53.
Aacharya Charaka has mentioned the Aachara rasayana for perfect mental, physical, social, spiritual health of human being. Aachar means behavioural discipline which guides and motivates the persons to have social happiness and mental stability. In this competitive era with hectic schedules, it s the need of hour to follow Achar rasayan for leading healthy, mentally peaceful life. Today's youth are deviating themselves by improper or unethical conduct. The purpose of this study is to reveal whether the students of ayurveda, who are aware of achar rasayan are practising it & upto what extent; & secondly to establish an interrelation of achar rasayan on their physical mental health & effect on academic performance as well as social behaviour.
66 students of final BAMS of Mahatma Gandhi Ayurved college, Wardha were selected for the survey by an objective questionnaire by single blind method. On the basis of answered questionnaire, the students were categorized into three groups viz; poorly following, moderately following & strongly following Achar rasayan. Also students were assessed on various observations like health status, Academic performance, Attendance, participation in co curricular & extra curricular activities, Behaviour with teachers & peers.
Out of 66 students, 17 who strongly followed Achar rasayan, were good at academics, enjoying good physical & mental health & friendly reputation among peers. Moderately following 36 students. had variability of students enjoying satisfactory to good physical & mental health, minor health problems, intermittent stress & few didn’t have healthy peer relation. 13 students poorly followed Acharrasayan were comparatively slow learners & significant low attendance was found in 7 students due to various reasons.
The study concludes that following Achar rasayan leads to a good physical, mental & social health.
PMCID: PMC3800933
2.  A comparative evaluation of dimensional stability of three types of interocclusal recording materials-an in-vitro multi-centre study 
Head & Face Medicine  2012;8:27.
The introduction of different interocclusal recording materials has put clinicians in dilemma that which material should be used in routine clinical practice for precise recording and transferring of accurate existing occlusal records for articulation of patient’s diagnostic or working casts in the fabrication of good satisfactory prosthesis. In the era of developing world of dentistry the different materials are introduced for interocclusal record with different brand names because of this; the utility of the material is confusing for successful delivery of prosthesis with lack of in vitro or in vivo studies which will predict the property of the material with utility recommendations.
Purpose of the study
The aim of this multicenter research is to evaluate the time dependent linear dimensional stability of three types of interocclusal recording materials; which gives very clear idea to clinicians in regard to its usage in routine practice and recommendations for usage of the different materials. Also to find out ideal time for articulation of three types of interocclusal recording materials with accuracy.
Materials and method
Commercially available and ADA approved Polyether bite registration paste (Ramitec), Poly vinyl siloxane bite registration paste (Jetbite) and Zinc oxide eugenol (ZOE) bite registration paste (Super bite) were used in the study.
A stainless steel die was made according to modified American dental Associations (ADA) specification no. 19. Each one of the tested materials were manipulated according to manufacturers’ instructions. The materials separated from die, 3-mins after their respective setting time, resulted in disks of standard diameter. Two parallel lines and three perpendicular lines reproduced on the surface. The distance between two parallel lines was measured at different time intervals i.e. 1 hour, 24, 48 and 72 hours by using travelling microscope (magnus) and compared with standard die measurements made according to ADA specification no.19 to find out the dimensional stability of these interocclusal recording materials. Total 120 samples were made for observation and results were subjected to statistical analysis. Statistical analysis was performed using analysis of variance (ANOVA) and then Tukey’s Honestly Significant Difference (HSD) test for comparison among groups at the 0.05 level of significance. After statistical analysis of the data, results were obtained and analyzed for interpretation.
The results shows significant difference between the dimensional stability of all three material at different intervals with p-value <0.05. Comparatively the polyether bite registration material showed less distortion with good dimensional stability compared to Poly vinyl siloxane bite (Jetbite), Zinc oxide eugenol(ZOE) bite (Super bite) at 1 hour, 24, 48, and 72 hours.
The dimensional stability decreased with increase in time and is influenced by both material factor and time factor. Polyether was found to be more dimensionally stable interocclusal recording material, which was followed by Silicone and Zinc oxide eugenol (ZOE). The dimensional stability of Polyether was good. Zinc oxide eugenol is dimensionally more unstable when compared with polyether and polyvinyl siloxane. We recommend that the polyether interocclusal records must be articulated within 48 hours and Polyvinylsiloxane interocclusal records must be articulated within 24 hours and the ZOE should be articulated within 1 hour to get a correct restoration to have very minimum distortion and maximum satisfaction without failure of prosthesis.
PMCID: PMC3489718  PMID: 23039395
Polyether bite; Poly vinyl siloxane bite; Zinc oxide eugenol (ZOE) bite; Dimensional stability; Interocclusal records
3.  True positivity of anti-Hepatitis C Virus Enzyme-linked immunosorbent assay reactive blood donors: A prospective study done in western India 
A significant number of safe donations are removed from the blood supply, because of the reactive anti-HCV screening test results. This study aimed to assess if the HCV (Hepatitis C Virus) seropositive donors were confirmed positive or not.
Materials and Methods:
More than 68,000 blood donors’ samples were routinely screened and 140 samples were found to be anti-HCV ELISA reactive. These 140 samples were tested by NAT. The NAT negative samples were tested by RIBA. Analysis of samples reactive in single ELISA kit vs. two ELISA kits was done.
Out of 140 anti-HCV ELISA reactive samples, a total of 16 (11.43%) were positive by NAT. The results of 124 RIBA showed 6 (4.84%) positive, 92 (74.19%) negative, and 26 (20.97%) indeterminate results. None of the sample which was reactive in only single ELISA kit was positive by NAT or RIBA.
Only a minority of blood donors with repeatedly reactive anti-HCV screening test is positive by confirmatory testing, but all these blood units are discarded as per existing legal provisions in India. Efforts should be made to retain these donors and also donor units.
PMCID: PMC3439757  PMID: 22988383
Anti-Hepatitis C Virus Enzyme-linked immunosorbent assay; nucleic acid amplification test; recombinant immuno blot assay
4.  Serial follow-up of repeat voluntary blood donors reactive for anti-HCV ELISA 
Voluntary non-remunerated repeat blood donors are perceived to be safer than the first time blood donors. This study was planned for follow-up of previous hepatitis C virus (HCV) test results of anti-HCV enzyme-linked immunosorbent assay (ELISA) reactive repeat blood donors. The aim was to suggest a protocol for re-entry of the blood donors who are confirmed HCV negative by nucleic acid test (NAT) and recombinant immunoblot assay (RIBA). A group of repeat voluntary donors were followed retrospectively who became reactive on a cross sectional study and showed HCV reactivity while donating blood regularly.
Material and Methods:
A total of 51,023 voluntary non remunerated blood donors were screened for anti-HCV ELISA routinely. If anybody showed positivity, they were tested by two ELISA kits (screening and confirmatory) and then confirmed infection status by NAT and or RIBA. The previous HCV test results of repeat donors reactive by anti-HCV ELISA were looked back from the records. Data of donors who were repeat reactive with single ELISA kit (in the present study) were analyzed separately from those reactive with two ELISA kits (in the present study).
In this study, 140 (0.27%) donors who were reactive by anti HCV ELISA were included. Out of them, 35 were repeat voluntary donors and 16 (11.43%) were reactive with single ELISA kit. All 16 donors were reactive by single ELISA kit occasionally in previous donations. Their present ELISA positive donations were negative for HCV NAT and RIBA. A total of 19 (13.57%) donors were reactive with two ELISA kits. In their previous donations, the donors who were reactive even once with two ELISA kits were consistently reactive by the same two ELISA kits in their next donations also.
Donor sample reactive by only single ELISA kit may not be considered as infectious for disposal as they were negative by NAT and or RIBA. One time ELISA positivity was found probably due to ELISA kit specificity and sensitivity. Donors reactive with two ELISA kit should be discarded as there is a high positivity with NAT/ RIBA. However, donors reactive by two ELISA kits and negative by NAT and RIBA should be followed up and may not be deferred permanently.
PMCID: PMC3082711  PMID: 21572711
Anti-HCV ELISA; repeat voluntary blood donor; occult infections; donor follow-up; nucleic acid test; recombinant immunoblot assay

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