Preliminary phytochemical analysis & Invitro Antibacterial activity of Acacia catechu willd Bark against Streptococcus mitis, Streptococcus sanguis & Lactobacillus acidophilus.

The objective of our study is to investigate the in vitro antibacterial activity of ethanolic bark extract of Acacia catechu willd against selected oral microbes and to investigate the phytochemicals present in it. The inhibitory effect of the extract were tested against selected oral microbes by using the Macro broth dilution method .The ethanolic bark extract of Acacia catechu exhibited antibacterial activity against streptococcus mitis with minimum bactericidal concentration of 500µg/ml whereas the MBC for streptococcus sanguis and Lactobacillus acidophilus were found to be 1mg/ml, 5mg/ml,10mg/ml and the phytochemical analysis revealed the presence of tannins, flavonoids, amino acids , saponins, triterpenoids. The ethanolic bark extract of Acacia catechu willd was found to be bactericidal in action against tested bacterial strains and these action may be due to the presence of phytochemical constituents in it

Preliminary phytochemical analysis & Invitro Antibacterial activity of Acacia catechu willd Bark against Streptococcus mitis, Streptococcus sanguis & Lactobacillus acidophilus

The objective of our study is to investigate the in vitro antibacterial activity of ethanolic  bark extract of Acacia catechu willd against selected oral microbes and to investigate the phytochemicals present in it. The inhibitory effect of the extract were tested against selected oral microbes by using the Macro broth dilution method .The ethanolic bark extract of Acacia catechu exhibited antibacterial activity against streptococcus mitis with minimum bactericidal concentration of  500µg/ml whereas the MBC for streptococcus sanguis and Lactobacillus acidophilus were found to be 1mg/ml, 5mg/ml,10mg/ml and the phytochemical analysis revealed the presence of tannins, flavonoids, amino acids , saponins, triterpenoids. The ethanolic  bark extract of Acacia catechu willd was found to be bactericidal  in action against tested bacterial strains and these action may be due to the presence of phytochemical constituents in it. 

Association of age and caries experience among adult population - An institutional study

Oral health is closely related with general health and people’s quality of life, through affecting their oral functions and social interactions. Dental caries are the major concerns among oral health.The aim of the study is to assess caries experience based on Decayed Missing Filled Teeth Index (DMFT) index among adults patients visiting a private dental college in Chennai. DMFT index was used to evaluate the caries experience. Patient case sheets were reviewed, index scores and age of the patients were collected . 4567 patients were selected for the study and tabulated in excel sheet and statistically analysed using SPSS. Frequency distribution was done using descriptive statistics and Chisquare test was used to analyse the association of caries experience with different age groups. In this study, it was observed that 18-35 year old patients were most prevalent (47.7%) and DMFT scores ranging from 0-7 were maximum with 58.2%. Within the limits of the study, results of the study showed that DMFT score of more than 8 suggesting higher caries experience was prevalent in study participants above 55 years of age. DMFT score of 0-7 was the most prevalent score among 18-35 years and 36-55 years

Evaluation of Medical Students\u27 Attitudes and Perceptions of Community-Based Medical Education (CBME)

Introduction: Community-based medical education (CBME) enhances medical students\u27 engagement with real-world health issues, fostering competencies needed for community health challenges. This study aims to evaluate medical students\u27 attitudes toward CBME and its impact on their preparedness for future practice, while identifying perceived benefits and challenges. Methods: A cross-sectional study was conducted at a private medical college in Tamil Nadu, involving pre-clinical and clinical students. Data were collected using the Community-Based Medical Education Attitudes and Perception Scale (CBME-APS) via a self-administered electronic questionnaire. Results: The mean age of participants was 20 ± 1.4 years, with 61.6% female. Most participants were in clinical years (66%) and had over three months of CBME experience (67.5%). A majority viewed CBME positively, with 71.6% believing it is crucial for their education and 74.8% reporting better understanding of real-life healthcare. CBME was also perceived to enhance clinical skills (71.1%) and communication with patients (74.3%). CBME positively influenced career intentions, with 56.4% considering a career in rural healthcare and 66.2% showing interest in global health or outreach programs. Conclusion: This study assessed the impact of Competency-Based Medical Education (CBME) on medical students\u27 attitudes, skills, and preparedness for community-based practice. Most students reported positive outcomes, including improved clinical skills, communication, and confidence in handling patients. CBME also influenced career intentions, with many students expressing interest in rural healthcare, and public health. However, challenges such as limited resources and diagnostic tools were noted. Despite these barriers, CBME was deemed valuable for fostering community-oriented healthcare professionals

On the stability of inhomogeneous fluids under acoustic fields

In this work, we present the stability theory for inhomogeneous fluids subjected to standing acoustic fields. Starting from the first principles, the stability criterion is established for two fluids of different acoustic impedance separated by a plane interface. Through stability theory and numerical simulations we show that, in the presence of interfacial tension, the relocation of high-impedance fluid from anti-node to node occurs when the acoustic force overcomes interfacial tension force, which is in agreement with recent microchannel experiments. Furthermore, we establish an acoustic Bond number that characterizes stable (Bo_a 1) regimes. Remarkably, it is found that the critical acoustic energy density required for relocation can be significantly reduced by increasing the channel height which could help design acoustofluidic microchannel devices that handle immiscible fluids.Comment: 16 pages, 6 figure

FFT and Linear Convolution Implementation with Bit Slicing Multiplier: A Novel Approach

This paper presents a comprehensive exploration of Fast Fourier Transform (FFT) and linear convolution implementations, integrating both conventional methods and novel approaches leveraging the Bit Slicing Multiplier (BSM) technique. The Bit Slicing Multiplier utilizes Look-Up Tables (LUTs) to execute bitwise operations in parallel, offering efficient arithmetic operations ideally suited for digital signal processing tasks. We extensively investigate the integration of BSM into FFT and linear convolution algorithms, emphasizing its advantages in terms of speed and resource utilization. Additionally, we introduce our own innovative ideas for FFT and convolution algorithms, contributing to the broader discourse on efficient signal processing techniques. Experimental validation of our implementations is conducted using Vivado, a leading FPGA synthesis and implementation tool. Comparative analysis demonstrates the superior performance of our BSM-enhanced approaches, showcasing their potential for real-time signal processing applications. This study not only advances the understanding of FFT and convolution implementations but also highlights the effectiveness of novel techniques like BSM in enhancing computational efficiency in FPGA-based systems