Students Problem-Solving Difficulties and Implications in Physics: An Empirical Study on Influencing Factors

In twenty first century, abundant innovative tools have been identified by the researchers to evaluate the conceptual understandings, problem solving, beliefs and attitudes about physics. Nevertheless, lacking of wide variety of evaluation instruments with respect to problem solving in physics. It indicates that the complexity of the domain fields of physics. The study was aimed to evaluate the student’s problem-solving skills and the factors influences the problem-solving difficulties in physics. A population of 303 Bachelor of education students of physics in Piler Mandal, Chittoor district, Andhra Pradesh, India.  The results of the study indicate and revealed that poor mathematical skills and lacking of understanding the problem are the major obstacles in the domain of problem solving skills in physics. To overcome these obstacles teachers, need to give enough assignments and need to recruit well qualified physics teachers. Keywords: Physics, Problem Solving skills, Perception, physics teachers, and mathematical skill

Impact of Simulation Based Education on Biology Student’s Academic Achievement in DNA Replication

The aim of this study is to determine the effect of simulation methods in teaching Science on education students’ academic achievement.70 students (35 control, 35 experimental) who studied at Srinivasa College of education, SV University in the Department of Education. 2015-2016 academic year students were participated in this simulation based instructional strategic research. Mixed methods approach, which included both qualitative and quantitative methods, were used. Instructional strategic methods were included from the biological science subject of DNA replication and transcription. Statistical results of the data obtained after the application showed that students of the experimental group who were taught using simulations were more successful than the students of the control group who were taught by the traditional approach. Also, it was determined that education students of the experimental group were satisfied by simulation-based education specially in science domain. Keywords: DNA replication, Transcription, Science education, simulation-based education, education technology

INFLUENCES OF SODIUM ARSENITE ON SOME BLOOD PARAMETERS IN Cyprinus Carpio EXPOSED TO ARSENIC

Abstract The present study was aimed to investigate the effects of sodium arsenite on biochemical and hematologic parameters in carp (Cyprinus carpio, Linnaeus 1758) after exposed to arsenic. In this study fish were exposed to 0.01 mg/L arsenic. Our results indicated that significant suppression in Granulocyte, erythrocyte, hemoglobin, hematocrit values were decreased due to oxidative toxicity of arsenic in experimental group while comparing with control group. In addition levels of leucocyte, agranulocyte, MCV (mean corpuscular volume), MCH (mean corpuscular hemoglobin) and MCHC (mean corpuscular hemoglobin concentration) increased in the arsenic group (P<0.05) and hematological functions of common carp blood, after being exposed to arsenic

Evaluation of knowledge, attitude and practice towards drug-drug interactions among postgraduates in tertiary care hospital, Kurnool

Background: Drug-drug interactions (DDIs) are changes in a drug’s effects due to concurrent use of another drug. Clinically significant interactions lead to undesired adverse effects, therapeutic failure, toxicity or may even cause death of the patients. The Aim is to evaluate the Knowledge, Attitude and Practice of Postgraduates regarding DDIs and implementation of educational program may enhance patient’s safety.Methods: A cross-sectional study was conducted among postgraduates in all clinical departments of Government general hospital, Kurnool in the month of October 2021. Pre-validated questionnaire was used to assess the KAP. It contains demographic data, knowledge and practice questions related to DDIs and attitude towards the preferable sources of drug interaction information. Data analysis was done by using SPSS version 26.Results: Out of 220 questionnaires distributed, 126 postgraduates submitted with complete answers(n=126). Overall response rate is 57%. By using the Bloom’s cut-off points, most of the respondents (43.5%) had low level of knowledge towards DDIs. Even respondents with high knowledge level (19%) are not practicing the drug interaction screening during the admission of patients. Majority of PGs with low level knowledge agreed to ask doctors than pharmacist about DDIs and prefer to search for DDIs using reference book than online mode as the source of drug information.Conclusions: In my study, most of the respondents had insufficient knowledge to prevent life threatening DDI’s. So, there is a need to increase medical educational program regarding the importance of screening and assessing of DDI’s before prescribing medicines

Studies on atmospheric gravity wave activity in the troposphere and lower stratosphere over a tropical station at Gadanki

MST radars are powerful tools to study the mesosphere, stratosphere and troposphere and have made considerable contributions to the studies of the dynamics of the upper, middle and lower atmosphere. Atmospheric gravity waves play a significant role in controlling middle and upper atmospheric dynamics. To date, frontal systems, convection, wind shear and topography have been thought to be the sources of gravity waves in the troposphere. All these studies pointed out that it is very essential to understand the generation, propagation and climatology of gravity waves. In this regard, several campaigns using Indian MST Radar observations have been carried out to explore the gravity wave activity over Gadanki in the troposphere and the lower stratosphere. The signatures of the gravity waves in the wind fields have been studied in four seasons viz., summer, monsoon, post-monsoon and winter. The large wind fluctuations were more prominent above 10 km during the summer and monsoon seasons. The wave periods are ranging from 10 min-175 min. The power spectral densities of gravity waves are found to be maximum in the stratospheric region. The vertical wavelength and the propagation direction of gravity waves were determined using hodograph analysis. The results show both down ward and upward propagating waves with a maximum vertical wave length of 3.3 km. The gravity wave associated momentum fluxes show that long period gravity waves carry more momentum flux than the short period waves and this is presented

Molecular Characterization of Escherichia coli from Pork Meat by Whole Cell Protein Finger Printing

Foodborne infections are major concerns for public health, and are occurring due to microbial contamination of meat. E. coli blotches on surfaces of the meat especially pork and beef. Meat, as a source of protein, and provides energy to our body pork meat has inhabited as special place in the diet of majority of Thai-Population for a wide variety of reasons such as tradition and availability. This study was aimed to evaluate the protein patterns among E. coli strains from pork meat samples of thalath Ongkharak market, Nakhonnayok, Thailand. To evaluate the similarity or intra-specific polymorphism degrees based on whole-cell protein fingerprinting, plasmid profiles and antibiotic resistance patterns. It was determined that the SDS-PAGE method may provide better criteria than plasmid and antimicrobial susceptibility for the taxonomic and epidemiological studies of E. coli isolates. Molecular characterization of isolates of E. coli was carried out by whole cell protein analysis by SDS-PAGE. Whole cell protein analysis of isolates carried out by SDS-PAGE, and were observed visually and compared among samples

A prospective study of clinicopathology and management of carcinoma breast

Introduction: Breast cancer is the most common site-specific cancer in women and it is one of the leading cause of death from cancer for women between 20-59 years age group and it is accounting for 29% of all newly diagnosed cases and 14% of cancer related death among women. Breast cancer accounts for the mortality of 21.5% of all cancer cases, ranking number one killer in women. Materials and Methods The data used in the study was obtained from the K.V.G Medical Collage Hospital, Sullia who were presented to the surgery department with carcinoma breast from December 2017 to June 2019. A total of 100 cases were evaluated at this study period. Results: 100 cases of breast cancer were studied for emphasizing the risk factors and management of breast cancer. Most common age group of presentation is between 50-59 years and mean age was 52.7 years. Majority of our patients had early menarche, late menopause and longer reproductive period was associated with high risk of breast cancer. Most common presentation was lump in the breast with tumor size >5cm (64%).62% of patients were in the stage III when they presented to the hospital. Majority of patients were diagnosed as infiltrating ductal carcinoma on FNAC and histology. All patients underwent modified radical mastectomy (MRM) and postoperatively patients received Chemotherapy (CT) and Hormonal therapy (HT). Conclusion: Stage III due to lack of awareness about the disease. MRM, CT and HT are the various modalities of treatment given to the patient depending on the stage of disease

Rain attenuation studies at 11.7GHz over southern India

107-109Rain attenuation studies were made at 11.7 GHz utilizing INSAT-2C satellite signals over southern India during rain events. The observed cumulative distribution of rain attenuation is compared with prominent prediction models. These are the first results observed on an operational earth-satellite path in India

Synthesis and Antioxidant Activity of New Thiazole Analogues Possessing Urea, Thiourea, and Selenourea Functionality

<div><p></p><p>A new series of urea, thiourea, and selenourea derivatives with thiazole moieties were synthesized by the nucleophilic addition reaction of (2-amino-4-(3-chlorophenyl)thiazol-5-yl)(2-chlorophenyl)methanone with various substituted isocyanates/ isothiocyanates/isoselenocynates in acetone having a catalytic amount of sodium hydroxide at room temperature with good yields. All the synthesized compounds were fully characterized by spectroscopic data and screened for their in vitro antioxidant activity using 1,1-diphenylpicrylhydrazyl (DPPH), nitric oxide (NO), and hydrogen peroxide (H₂O₂) radical scavenging methods. A preliminary study of the structure–activity relationship revealed that the compounds containing selenourea functionality along with halogen group have exhibited potent activity (IC₅₀ ≤ 0.0309 µmol/mL) compared to the standards (IC₅₀ ≤ 0.0814 µmol/mL). Thus the title compounds are a new class of potent antioxidant agents and worthy of further investigation.</p></div