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Seena S.,Anand P.P.,Shibu Vardhanan Y. 한국응용곤충학회 2022 Journal of Asia-Pacific Entomology Vol.25 No.2
The Agrilus wittemani species-group comprising six species from South and Southeast Asia; two of these are endemic to south India. Four new species of A. wittemani species-group Jendek & Nakládal, 2017 are described in this paper: Agrilus keralensis Seena, Anand and Shibu-Vardhanan sp. nov.; A. palakkadensis Seena, Anand and Shibu-Vardhanan sp. nov.; Agrilus sahyadriensis Seena, Anand and Shibu-Vardhanan sp. nov.; A. silentvalleyensis Seena, Anand and Shibu-Vardhanan sp. nov. A key to all species is provided and complemented with illustra tions of habitus and genitalia.
Programming in MikroBasic for Automation in Pattern Based Manufacturing
Punit Anand,Anand M Sharan 보안공학연구지원센터 2014 International Journal of Control and Automation Vol.7 No.11
In this work the microcontroller is programmed in MikroBasic where the pattern shape is first determined using Fast Fourier Transforms offline and then the Fourier Coefficients are embedded in the program to perform calculations online to obtain the desired pattern. The stepper motors are used for accurate manufacturing. The program shows that microcontrollers do have sufficient memory to incorporate complex programs for intricate shape production.
Outcomes of Vascular Resection and Reconstruction in Extremity Soft Tissue Sarcoma and Bone Tumors
Anand Chetan Shah,Vishnu Ramanujan,Krishna Muralidharan,Anand Raja 대한혈관외과학회 2021 Vascular Specialist International Vol.37 No.1
Purpose: This study aimed to evaluate and analyze the feasibility and the oncological and functional outcomes of limb salvage surgery in extremity soft tissue sarcomas (ESTS) and bone tumors invading vessels. Materials and Methods: This single-center retrospective analysis included patients with ESTS encasing or invading major blood vessels that were treated by limb salvage surgery with vascular resection and reconstruction between January 1995 and December 2019. Patients with contiguous involvement of major blood vessels and nerves and patients requiring amputation were excluded from the study. Results: A total of 24 vessels (14 arteries and 10 veins) in 14 patients were reconstructed. Ten (71.4%) patients underwent both arterial and venous reconstruction, and four (28.6%) underwent only arterial reconstruction. Reconstruction was performed with a reversed saphenous vein (RSV) graft in 12 patients and with a synthetic graft (SG) in the other 12 patients. At a median follow-up of 27 months, RSV grafts were patent in 10 of 12 (83.3%) vessels and SGs were patent in 6 of 12 (50.0%) vessels (log-rank test, P=0.083). Out of 14 arteries and 10 veins, 11 arteries and 5 veins were patent, respectively. No patient developed local recurrence, and 2 (14.3%) patients developed distant metastases. Limb salvage rate was 13/14 (92.9%). The mean Musculoskeletal Tumor Society score was 83.3%. The 5- and 10-year overall survival rates were 80% and 50%, respectively. Conclusion: Limb salvage surgery in ESTS with vascular resection and reconstruction is feasible and provides favorable oncological and functional outcomes.
Does Sarcopenia Increase the Risk for Fresh Vertebral Fragility Fractures?: A Case-Control Study
Ashish Anand,Ajoy Prasad Shetty,K. R. Renjith,Sri Vijay Anand K. S.,Rishi Mugesh Kanna,Shanmuganathan Rajasekaran 대한척추외과학회 2020 Asian Spine Journal Vol.14 No.1
Study Design: Case-control study. Purpose: Sarcopenia is an age associated condition characterized by decrease in muscle mass, strength, and physical performance. We aimed to investigate whether sarcopenia increased the risk of vertebral fragility fractures among the elderly. Overview of Literature: Initial reports on sarcopenia suggest its contribution to the development of vertebral fragility fractures. However, recent studies showed contradictory findings. Methods: Fifty-one consecutive patients with vertebral fragility fractures and matched controls without fractures were evaluated for sarcopenia, T-score, body mass index, and presence of preexisting vertebral fractures. Sarcopenia was diagnosed as total psoas cross-sectional area (TPA) 2 standard deviations below normative value from normal young adults and decreased handgrip strength (26 kg for men and 18 kg for women). Univariate and multivariate analyses were performed using the fresh fracture occurrence as the dependent variable. Results: Sarcopenia was confirmed in 29.4% and 7.8% of cases and controls (p=0.005), respectively; 56.8% and 13.7% of cases and controls had previous vertebral fractures. Sarcopenia prevalence was greater among those with previous fractures (38% vs. 7.6%; odds ratio, 7.76; p<0.001). TPA was lower among the cases (1,278 mm2 vs. 1,569 mm2, p=0.001) and those with previous fractures (1,168 mm2 vs. 1,563 mm2, p<0.001). Handgrip strength was greater among those without previous fractures (19.6 kg vs. 16.3 kg, p=0.05). In multivariate analysis, sarcopenia was not identified as a significant predictor of fresh fractures whereas previous fractures and lower T-score were found to be significant. Conclusions: Sarcopenia is not an independent risk factor for fresh vertebral fragility fractures in the elderly.
An improved sparsity-aware normalized least-mean-square scheme for underwater communication
Anand Kumar,Prashant Kumar 한국전자통신연구원 2023 ETRI Journal Vol.45 No.3
Underwater communication (UWC) is widely used in coastal surveillance and early warning systems. Precise channel estimation is vital for efficient and reliable UWC. The sparse direct-adaptive filtering algorithms have become popular in UWC. Herein, we present an improved adaptive convex-combination method for the identification of sparse structures using a reweighted normalized leastmean-square (RNLMS) algorithm. Moreover, to make RNLMS algorithm independent of the reweighted l1-norm parameter, a modified sparsity-aware adaptive zero-attracting RNLMS (AZA-RNLMS) algorithm is introduced to ensure accurate modeling. In addition, we present a quantitative analysis of this algorithm to evaluate the convergence speed and accuracy. Furthermore, we derive an excess mean-square-error expression that proves that the AZA-RNLMS algorithm performs better for the harsh underwater channel. The measured data from the experimental channel of SPACE08 is used for simulation, and results are presented to verify the performance of the proposed algorithm. The simulation results confirm that the proposed algorithm for underwater channel estimation performs better than the earlier schemes.
Power Sharing and Cost Optimization of Hybrid Renewable Energy System for Academic Research Building
Anand Singh,Prashant Baredar 대한전기학회 2017 Journal of Electrical Engineering & Technology Vol.12 No.4
Renewable energy hybrid systems look into the process of choosing the finest arrangement of components and their sizing with suitable operation approach to deliver effective, consistent and cost effective energy source. This paper presents hybrid renewable energy system (HRES) solar photovoltaic, downdraft biomass gasifier, and fuel cell based generation system. HRES electrical power to supply the electrical load demand of academic research building sited in 23° 12’ N latitude and 77°24’E longitude, India. Fuzzy logic programming discover the most effective capital and replacement value on components of HRES. The cause regarding fuzzy logic rule usage on HOMER pro (Hybrid optimization model for multiple energy resources) software program finds the optimum performance of HRES. HRES is designed as well as simulated to average energy demand 56.52 ㎾h/day with a peak energy demand 4.4 ㎾. The results shows the fuel cell and battery bank are the most significant modules of the HRES to meet load demand at late night and early morning hours. The total power generation of HRES is 23,794 ㎾h/year to the supply of the load demand is 20,631 ㎾h/year with 0% capacity shortage.
Molecular Docking Studies of p21-Activated Kinase-1 (PAK1) Inhibitors
Anand Balupuri, Pavithra K. Balasubramanian, Seung Joo Cho 조선대학교 기초과학연구원 2016 조선자연과학논문집 Vol.9 No.3
The p21-activated kinase-1 (PAK1) has emerged as a potential target for anticancer therapy. It is overexpressed in ovarian, breast and bladder cancers. This suggests that PAK1 may contribute to tumorigenesis. 4-azaindole derivatives are reported as potent PAK1 inhibitors. The present work deals with the molecular docking studies of 4-azaindoles with PAK1. Probable binding mode of these inhibitors has been identified by molecular modeling. Docking results indicated that hydrogen bonding interactions with Glu345 and Leu347 are responsible for governing inhibitor potency of the compounds. Additionally, Val284, Val328, Met344 and Leu396 were found to be accountable for hydrophobic interactions inside the active site of PAK1