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Body composition and functional performance of older adults
Diane Nogueira Paranhos Amorim,Dahan da Cunha Nascimento,Whitley Stone,Vicente Paulo Alves,Karla Helena Coelho Vilaça e Silva 대한골다공증학회 2022 Osteoporosis and Sarcopenia Vol.8 No.2
Objectives: To determine if anthropometric variables, body composition, medication and gender are associated with functional performance and to compare these variables between octogenarians with high and low functional performance. Methods: Observational, cross-sectional study. Weight, height, body mass index (BMI), waist circumference (WC), and waist-to-height ratio (WHtR) were evaluated. Handgrip strength (HGS) was assessed. Participants’ body composition was assessed by dual-energy X-ray absorptiometry (DXA) and functional performance by Short Physical Performance Battery (SPPB). A binomial logistic regression was performed. Results: One hundred and twenty-two octogenarians were included and separated into high and low function groups. The high function group showed lower values of WHtR (mean difference [MD] = 0.047, P = 0.025) and body fat (BF%) (MD = 3.54, P = 0.032) and higher values of apendicular skeletal muscle mass (ALM) (MD = 3.03, P = 0.001), HGS (MD = 6.11, P = 0.001) and SPPB score (MD = 4.20, P = 0.001). Women were more likely to be classified as low function (OR = 3.66, P = 0.002) and males showed 5.21 odds ratio (P = 0.021) of having high functional performance compared to females. Also, each decrease in age and medication use displayed 1.30 (P = 0.007) and 1.26 odds ratio increases (P = 0.008) in high functional performance. Conclusions: Older males display better functional performance than women, and decrements in age and medications increase the high functional performance odds ratio. Octogenarians with high functional performance displayed lower BF measurements and higher values of muscle mass and strength.
Lobato-Vila Irene,Wang Yiping,Melika George,Guo Rui,Ju Xiaoxue,Pujade-Villar Juli 한국응용곤충학회 2021 Journal of Asia-Pacific Entomology Vol.24 No.1
The Eastern Palaearctic and Oriental fauna of gall wasp inquilines (Hymenoptera: Cynipidae) has been histori cally understudied. Previously, ten species of Synergus Hartig (Hymenoptera: Cynipidae: Synergini), the most speciose genus of inquilines associated with Fagaceae galls worldwide, were known to occur in mainland China despite this region harbors a great number of potential fagaceous tree hosts. After the examination of all the Synergus specimens deposited at the Parasitic Hymenoptera Collection of the Agriculture and Forestry University of Zhejiang (ZAFU, China), we provide a revision of this genus in mainland China. Three new species (S. drouarti Pujade-Villar, sp. nov., S. ponsatiae Lobato-Vila & Pujade-Villar, sp. nov. and S. rovirae Lobato-Vila & PujadeVillar, sp. nov.) are described and illustrated. Four species (S. areolatus (Weld, 1926) comb. nov.; S. formosanus Schwéger & Melika, 2015, S. gifuensis Ashmead, 1904 and S. ishikarii Melika & Schwéger, 2015) are new records for this area. Saphonecrus reticulatus Pujade-Villar, Wang & Guo, 2014 is proposed as syn. nov. of Synergus castaneus Pujade-Villar, Bernardo & Viggiani, 2013, and Synergus changtitangi Melika & Schwéger, 2015 as syn. nov. of S. deqingensis Pujade-Villar, Wang & Chen, 2015. We provide new biological and distributional data for all the species as well as redescriptions, pictures and other corrections for those which were originally poorly characterized. Lastly, we provide an updated key to the Eastern Palaearctic and Oriental Synergus species, with a table summarizing all of them.
Vilas Khairnar,Sandesh Jaybhaye,Chi-Chang Hu,Rakesh Afre,Tetsu Soga,Madhuri Sharon,Maheshwar Sharon 한국탄소학회 2008 Carbon Letters Vol.9 No.3
Porous carbon materials synthesized from various plant derived precursors i.e. seeds of [Castor (Ricinus communis), Soap nut (Sapindus sp.), Cashew-nut (Semecarpus anacardium), Jack fruit (Artocarpus heterophyllus), Safflower (Carthamus tinctorius), Ambadi (Crotolaria juncea), Neem (Azadirachta indica), Bitter Almond (Prunus amygdalus), Sesamum (Sisamum indicum), Date-palm (Phoenix dactylifera),Canola (Brassica napus), Sunflower (Helianthus annulus)] and fibrous materials from [Corn stem- (Zea mays), Rice straw (Oryza sativa), Bamboo (Bombax bambusa) and Coconut fibers (Cocos nucifera)] were screened to make supercapacitor in 5M KOH solution. Carbon material obtained from Jack fruit seeds (92.0 F/g), Rice straw (83.0 F/g), Soap nut seeds (54.0 F/g), Castor seeds (44.34 F/g) and Bamboo (40.0 F/g) gave high capacitance value as compared to others. The magnitude of capacitance value was found to be inversely proportional to the scan rate of measurement. It is suggested that carbon material should possess large surface area and small pore size to get better value of capacitor. Moreover, the structure of carbon materials should be such that majority of pores are in the plane parallel to the plane of electrode and surface is fluffy like cotton ball.
Nonrigid Image Registration using Efficient Similarity Measure and Levenberg-Marquardt Optimization
Vilas H. Gaidhane,Vijander Singh,Yogesh V. Hote 대한의용생체공학회 2012 Biomedical Engineering Letters (BMEL) Vol.2 No.2
Purpose Nonrigid image registration using a cubic B-splines transformation model is well known approach in medical imaging. Although, it is successfully applied to medical image registration applications, it exhibits computational complexity due to the lack of dedicated similarity measure and optimization algorithms. Therefore, the main purpose of this paper is to propose a simple and computationally efficient similarity measure with a suitable optimization algorithm. Methods In this paper, an efficient similarity measure is proposed for automatic nonrigid medical image registration. The proposed approach is based on Gerschgorin circle theorem and covariance matrix properties. In this approach,image registration is carried out by similarity calculation between two normalized images. The proposed similarity measure is optimized using the Levenberg-Marquardt back propagation (LMBP) algorithm. Results Experimental results for various 3-D magnetic resonance data volume and also clinically acquired 4-D CT image datasets are presented in order to show the effectiveness of the proposed approach. It is observed that the proposed approach is sensitive to a small nonrigid deformation field as well as the overlapping. Conclusions The various simulation results demonstrated that the proposed approach can be effective and promising option in complex 3-D medical image registration as well as in various image processing applications.
Compression Techniques Applied to DNA Data of Various Species
Vilas Machhi,Maulika S Patel 보안공학연구지원센터 2016 International Journal of Bio-Science and Bio-Techn Vol.8 No.3
DNA sequences comprise of sequentially linked nucleotides, A, C, G and T. As a result of the genome projects, a significant amount of DNA sequences of various species are deposited in various databases. Human DNA contains about 3 billion base pairs. The number of genes within the DNA is 20,000 to 25,000. For storing DNA data of a single person, we require approximately 10 CD – ROMs. This amounts to huge data storage costs, subsequently making the use of these data such as analysis and retrieval quite challenging. DNA sequence analysis is useful in diverse areas such as forensics, medical research, pharmacy, agriculture etc. It is very necessary to address the storage issue of these exponentially growing data. In this paper we have implemented 4 different algorithms for DNA data compression: LZW (Lampel-ziv-Welch) algorithm, run length encoding algorithm, Arithmetic coding and Substitution method. The compression results on these algorithms are presented and compared on DNA sequence data of 10 different species.
Pelvic floor muscle strength is correlated with sexual function
Dulcegleika Vilas Boas Sartori,Paulo Roberto Kawano,Hamilto Akihissa Yamamoto,Rodrigo Guerra,Pedro Rochetti Pajolli,João Luiz Amaro 대한비뇨의학회 2021 Investigative and Clinical Urology Vol.62 No.1
Purpose: Sexual performance is related to proprioception and pelvic floor muscle strength (PFMS). The aim of this study was to correlate sexual activity and orgasm with PFMS. Materials and Methods: A total of 140 healthy continent female were prospectively distributed into 4 groups according to age: Group 1 (G1), 30–40; Group 2 (G2), 41–50; Group 3 (G3), 51–60; Group 4 (G4), over 60 years old. Evaluated parameters were: frequency of sexual activity and orgasm achievement; body mass index (BMI) and objective evaluation of PFMS using perineometer and surface electromyography. Results: BMI was higher in G4 compared to G1 (p=0.042). Women who reported sexual activity was significantly higher in G1 compared to G3 and G4 (94.1% vs. 66.7% and 37.5%, respectively; p=0.001). Orgasm was more frequently in G1 compared to G3 and G4 (91.2% vs. 63.9% and 28.1%, respectively; p=0.001), demonstrating that sexual activity and orgasm decrease after age 51. The duration of PFM contraction was significantly higher in women who had sexual intercourse (p=0.033) and orgasm (p=0.018). Conclusions: Although the frequency of sexual intercourse and orgasm may decrease with aging, a relationship between sexual activity and PFMS remains apparent, once both sexually active women and those who have orgasms showed better PFM endurance than non-sexually active ones.