NGLV: Next Gen Learning uniVerse

The wоrld tоdаy is seeing numerоus teсhnоlоgiсаl innоvаtiоns оn а regulаr bаsis in vаriоus fields. The field оf eduсаtiоn tоо hаs а lоt оf sсорe tо inсоrроrаte sоme оf these innоvаtiоns аnd gаin immensely frоm them. Оne suсh teсhnоlоgy is Аugmented Reаlity. Аugmented reаlity саn infuse сlаssrооms with energy, bringing additional ingenuity and bilateral engаgement in every session. Such innovative methods of teaching quicken the time spent in understanding convoluted topics. Оur рrоjeсt аims tо develор а Mоbile Leаrning Арр thаt uses АR tо enhаnсe teасhing methоds

Beneficiation of iron ore fines by conventional flotation, flotation column and dual extraction column – A pilot scale study

Goa state in India is endowed with large deposits of low-grade iron ores, geologically formed from lower Dharwar super group of Archaean rocks. Petrological studies have revealed that silica and alumina are the main gangue minerals where alumina exists as fine clay and adherent material interspersed in the ore body and in some cases both silica and alumina interlocked with iron ore particles. Efficiency of conventional flotation, column flotation and dual extraction column for separation of gangue was studied on a pilot scale at Greater Ferromet Beneficiation Plant of M/s. Sociedade De Fomento Industrial Ltd., Goa. Reverse flotation process was adopted wherein gangue minerals silica and alumina were floated using cationic amine collector. Sodium hydroxide and starch were used to regulate the slurry pH and to depress iron ore, respectively. Various iron ore samples drawn from different mines and their mixtures were subjected to the test work. Results of pilot scale tests clearly indicate the superiority of flotation column vis-a-vis conventional cells and dual extraction column. Iron ore concentrate assaying 67 % Fe and 2 % Si02 and AI203 with a recovery of 85 - 90 % could be obtained by single stage flotation column operation

Spectrophotometric determination of tizanidine and orphenadrine via ion pair complex formation using eosin Y

A simple, sensitive and rapid spectrophotometric method was developed and validated for the determination of two skeletal muscle relaxants namely, tizanidine hydrochloride (I) and orphenadrine citrate (II) in pharmaceutical formulations. The proposed method is based on the formation of a binary complex between the studied drugs and eosin Y in aqueous buffered medium (pH 3.5). Under the optimum conditions, the binary complex showed absorption maxima at 545 nm for tizanidine and 542 nm for orphenadrine. The calibration plots were rectilinear over concentration range of 0.5-8 μg/mL and 1-12 μg/mL with limits of detection of 0.1 μg/mL and 0.3 μg/mL for tizanidine and orphenadrine respectively. The different experimental parameters affecting the development and stability of the complex were studied and optimized. The method was successfully applied for determination of the studied drugs in their dosage forms; and to the content uniformity test of tizanidine in tablets

Family-led rehabilitation after stroke in India (ATTEND): a randomised controlled trial

Background Most people with stroke in India have no access to organised rehabilitation services. The effectiveness of training family members to provide stroke rehabilitation is uncertain. Our primary objective was to determine whether family-led stroke rehabilitation, initiated in hospital and continued at home, would be superior to usual care in a low-resource setting. Methods The Family-led Rehabilitation after Stroke in India (ATTEND) trial was a prospectively randomised open trial with blinded endpoint done across 14 hospitals in India. Patients aged 18 years or older who had had a stroke within the past month, had residual disability and reasonable expectation of survival, and who had an informal family-nominated caregiver were randomly assigned to intervention or usual care by site coordinators using a secure web-based system with minimisation by site and stroke severity. The family members of participants in the intervention group received additional structured rehabilitation training—including information provision, joint goal setting, carer training, and task-specific training—that was started in hospital and continued at home for up to 2 months. The primary outcome was death or dependency at 6 months, defined by scores 3–6 on the modified Rankin scale (range, 0 [no symptoms] to 6 [death]) as assessed by masked observers. Analyses were by intention to treat. This trial is registered with Clinical Trials Registry-India (CTRI/2013/04/003557), Australian New Zealand Clinical Trials Registry (ACTRN12613000078752), and Universal Trial Number (U1111-1138-6707). Findings Between Jan 13, 2014, and Feb 12, 2016, 1250 patients were randomly assigned to intervention (n=623) or control (n=627) groups. 33 patients were lost to follow-up (14 intervention, 19 control) and five patients withdrew (two intervention, three control). At 6 months, 285 (47%) of 607 patients in the intervention group and 287 (47%) of 605 controls were dead or dependent (odds ratio 0·98, 95% CI 0·78–1·23, p=0·87). 72 (12%) patients in the intervention group and 86 (14%) in the control group died (p=0·27), and we observed no difference in rehospitalisation (89 [14%]patients in the intervention group vs 82 [13%] in the control group; p=0·56). We also found no difference in total non-fatal events (112 events in 82 [13%] intervention patients vs 110 events in 79 [13%] control patients; p=0·80). Interpretation Although task shifting is an attractive solution for health-care sustainability, our results do not support investment in new stroke rehabilitation services that shift tasks to family caregivers, unless new evidence emerges. A future avenue of research should be to investigate the effects of task shifting to health-care assistants or team-based community care

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Effect of Nitrogen Levels and Mepiquat Chloride on Yield and Economics of HDPS Cotton

A field experiment was conducted during Kharif, 2022 at Krishi Vigyan Kendra, Palem, to evaluate the effect of nitrogen levels and mepiquat chloride on the yield and economics of HDPS cotton. The experiment was laid out in a randomized block design with three replications. The results of this experiment revealed that application of T9: 125% RDN applied in splits at 15, 30, 45, 60, 75 DAS along with 2 sprays of 5% mepiquat chloride at 45 and 60 DAS recorded significantly higher number of bolls plant-1 (11.7), boll weight (4.49 g) and seed cotton yield (2484 kg ha-1). In terms of economic analysis, this treatment also exhibited the highest gross returns (₹ 1,78,872 ha-1), net returns (₹ 1,03,878 ha-1) and BC ratio (2.39). Conversely, the application of T1: 75% RDN in recommended splits of 20, 40, 60, 80 DAS recorded the lowest number of bolls plant-1 (8.0), boll weight (2.53 g) and seed cotton yield (1402 kg ha-1), as well as lower gross returns (₹ 1,02,766 ha-1), net returns (₹ 33,802 ha-1) and BC ratio (1.50).  Based on these findings, it is recommended to adopt the practice of applying T9: 125% RDN (150 kg N ha-1) in splits at 15, 30, 45, 60, 75 DAS along with 2 sprays of 5% mepiquat chloride at 45 and 60 DAS to achieve maximum yield and economic returns of HDPS cotton

Microwave induced solvent – free synthesis of 1-aryl-2-(1<i>E</i>)-arylvinyl- 4-arylmethylene-2-imidazolin-5-ones

1931-1932A microwave – assisted synthesis of the title compounds under solvent-free conditions is described. The yields and reaction time period are noticeably improved in comparison with conventional methods

Rural Transformation of a Village in Telangana, A Study of Dokur since 1970s

The structural changes taking place in villages are partly due to market forces and also because of public policy. The article examines the transformation and development of a village namely Dokur in Telangana, India which has undergone changes since mid-1970s. The village was initially studied in 1975–1984 by the International Crops Research Institute for Semi-Arid Tropics (ICRISAT), but resurveyed from 2001 to 2014. There has been seen a significant change since 1980s in its livelihood diversity. Until the mid-1970s, there was more focus on green revolution technologies under the assumption that the trickle-down effect would take care of poverty. Hence, in the initial years, very few development programmes existed and were mostly focused on agriculture growth. Although public distribution system was in place from the mid 1970s, a new government initiative targeted poverty directly through a 20-point plan. From the 1990s, more specific schemes were introduced, which often targeted poor, scheduled castes and tribes (SC and ST) and other backward castes (OBC) as well as small and marginal farmers also. After realizing that most of the benefits were captured by village elites and large farmers, the focus shifted to self-targeting of various developments and social safety net programmes targeting lower castes and poorer households in the late 2000s, especially after the introduction of Mahatma Gandhi National Rural Employment Guarantee Act (MGNREGA). This was also an attempt to reduce gender bias in the programmes. The participation of poor, SC and ST and women increased after the self-targeting schemes were introduced in the country. The Public Distribution System (PDS), Indira Awas Yojana (IAY), pension schemes, complete sanitation programmes, agricultural input subsidy programme, million wells programmes, loan waiver scheme and the drought relief programmes had positive impacts on livelihoods, but with less targeting. Most of the gains from agricultural subsidies were enjoyed by medium and large farmers, although small SC and ST farmers benefited some what. However, all indicators show a systematic and considerable increase in living standards

Scandium triflate catalyzed formation of 2,4-dimethoxy-2-methylbenzopyrans

Scandium trifluoromethanesulfonate is found to catalyze an unusual cyclocondensation of o-hydroxybenzaldehydes with 2,2-dimethoxypropane at room temperature to afford a class of new compounds, 2,4-dimethoxy-2-methylbenzopyrans, in high yields