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https://www.readbyqxmd.com/read/28209976/voltage-induced-magnetization-dynamics-in-cofeb-mgo-cofeb-magnetic-tunnel-junctions
#1
Katsuya Miura, Shin Yabuuchi, Masaki Yamada, Masahiko Ichimura, Bivas Rana, Susumu Ogawa, Hiromasa Takahashi, Yasuhiro Fukuma, Yoshichika Otani
Recent progress in magnetic tunnel junctions (MTJs) with a perpendicular easy axis consisting of CoFeB and MgO stacking structures has shown that magnetization dynamics are induced due to voltage-controlled magnetic anisotropy (VCMA), which will potentially lead to future low-power-consumption information technology. For manipulating magnetizations in MTJs by applying voltage, it is necessary to understand the coupled magnetization motion of two magnetic (recording and reference) layers. In this report, we focus on the magnetization motion of two magnetic layers in MTJs consisting of top layers with an in-plane easy axis and bottom layers with a perpendicular easy axis, both having perpendicular magnetic anisotropy...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28187148/nutritional-status-and-body-composition-by-bioelectrical-impedance-vector-analysis-a-cross-sectional-study-in-mild-cognitive-impairment-and-alzheimer-s-disease
#2
Ilaria Cova, Simone Pomati, Laura Maggiore, Marica Forcella, Valentina Cucumo, Roberta Ghiretti, Giulia Grande, Fulvio Muzio, Claudio Mariani
AIMS: Analysis of nutritional status and body composition in Alzheimer's disease (AD) and Mild Cognitive Impairment (MCI). METHODS: A cross-sectional study was performed in a University-Hospital setting, recruiting 59 patients with AD, 34 subjects with MCI and 58 elderly healthy controls (HC). Nutritional status was assessed by anthropometric parameters (body mass index; calf, upper arm and waist circumferences), Mini Nutritional Assessment (MNA) and body composition by bioelectrical impedance vector analysis (BIVA)...
2017: PloS One
https://www.readbyqxmd.com/read/28181124/erratum-to-usefulness-of-combining-admission-brain-natriuretic-peptide-bnp-plus-hospital-discharge-bioelectrical-impedance-vector-analysis-biva-in-predicting-90%C3%A2-days-cardiovascular-mortality-in-patients-with-acute-heart-failure
#3
Simona Santarelli, Veronica Russo, Irene Lalle, Benedetta De Berardinis, Silvia Navarin, Laura Magrini, Antonio Piccoli, Marta Codognotto, Luigi Maria Castello, Gian Carlo Avanzi, Humberto Villacorta, Bernardo Luiz Campanário Precht, Pilar Barreto de Araújo Porto, Aline Sterque Villacorta, Salvatore Di Somma
No abstract text is available yet for this article.
February 8, 2017: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/28165897/cytoreductive-nephrectomy-in-metastatic-renal-cell-carcinoma-in-the-era-of-targeted-therapy-scientifically-relevant-or-natural-selection
#4
Bivas Biswas, Deepak Dabkara, Sandip Ganguly, Prasad Eswaran, Joydeep Ghosh
No abstract text is available yet for this article.
February 6, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28158208/energy-expenditure-in-caving
#5
Giorgia Antoni, Elisabetta Marini, Nicoletta Curreli, Valerio Tuveri, Ornella Comandini, Stefano Cabras, Silvia Gabba, Clelia Madeddu, Antonio Crisafulli, Andrea C Rinaldi
The aim of this study was to determine the energy expenditure of a group of cavers of both genders and different ages and experience during a 10 hour subterranean exploration, using portable metabolimeters. The impact of caving activity on body composition and hydration were also assessed through bioelectrical impedance, and nutritional habits of cavers surveyed. During cave activity, measured total energy expenditure (TEE) was in the range 225-287 kcal/h for women-men (MET = 4.1), respectively; subjects had an energy intake from food in the range 1000-1200 kcal, thus inadequate to restore lost calories...
2017: PloS One
https://www.readbyqxmd.com/read/28079435/bioelectrical-impedance-analysis-of-head-and-neck-cancer-patients-at-presentation
#6
Marie Lundberg, Pia Nikander, Katja Tuomainen, Helena Orell-Kotikangas, Antti Mäkitie
CONCLUSION: Finnish head and neck cancer (HNC) patients show signs of severe malnutrition already at presentation, measured by bioelectric impedance analysis (BIA). BIA may be a practical method to detect malnutrition, analyze body composition, and to identify high-risk patients in this population. OBJECTIVES: BIA is a validated method for evaluating body composition and detecting malnutrition. Low phase angle (PA) is associated with increased mortality and morbidity...
January 12, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28051000/trastuzumab-and-lapatinib-in-her2-positive-metastatic-colorectal-cancer
#7
Bivas Biswas, Sameer Rastogi, Atul Batra, Sandip Ganguly
No abstract text is available yet for this article.
July 2016: National Medical Journal of India
https://www.readbyqxmd.com/read/27987064/usefulness-of-combining-admission-brain-natriuretic-peptide-bnp-plus-hospital-discharge-bioelectrical-impedance-vector-analysis-biva-in-predicting-90%C3%A2-days-cardiovascular-mortality-in-patients-with-acute-heart-failure
#8
Simona Santarelli, Veronica Russo, Irene Lalle, Benedetta De Berardinis, Silvia Navarin, Laura Magrini, Antonio Piccoli, Marta Codognotto, Luigi Maria Castello, Gian Carlo Avanzi, Humberto Villacorta, Bernardo Luiz Campanário Precht, Pilar Barreto de Araújo Porto, Aline Sterque Villacorta, Salvatore Di Somma
Heart failure is a disease characterized by high prevalence and mortality, and frequent rehospitalizations. The aim of this study is to investigate the prognostic power of combining brain natriuretic peptide (BNP) and congestion status detected by bioelectrical impedance vector analysis (BIVA) in acute heart failure patients. This is an observational, prospective, and a multicentre study. BNP assessment was measured upon hospital arrival, while BIVA analysis was obtained at the time of discharge. Cardiovascular deaths were evaluated at 90 days by a follow up phone call...
December 16, 2016: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/27827512/bifunctional-ru-ii-complex-catalysed-carbon-carbon-bond-formation-an-eco-friendly-hydrogen-borrowing-strategy
#9
Kaushik Chakrabarti, Bhaskar Paul, Milan Maji, Bivas Chandra Roy, Sujan Shee, Sabuj Kundu
The atom economical borrowing hydrogen methodology enables the use of alcohols as alkylating agents for selective C-C bond formation. A bifunctional 2-(2-pyridyl-2-ol)-1,10-phenanthroline (phenpy-OH) based Ru(ii) complex (2) was found to be a highly efficient catalyst for the one-pot β-alkylation of secondary alcohols with primary alcohols and double alkylation of cyclopentanol with different primary alcohols. Exploiting the metal-ligand cooperativity in complex 2, several aromatic, aliphatic and heteroatom substituted alcohols were selectively cross-coupled in high yields using significantly low catalyst loading (0...
November 9, 2016: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/27821919/bioelectrical-impedance-analysis-for-severe-stroke-patients-with-upper-extremity-hemiplegia
#10
Chanuk Yoo, Jaehyung Kim, Yeongae Yang, Jinsu Lee, Gyerok Jeon
[Purpose] This study is to analyze bioimpedance parameters and occupational assessment for severe stroke patients with upper extremity hemiplegia. [Subjects and Methods] Experimental subjects were 20 hemiplegic stroke patients receiving rehabilitation therapy between November to October, 2015. Prediction marker (PM), and phase angle (θ), a nd characteristic frequency (fc) were measured using bioelectrical impedance spectroscopy (MultiScan 5000). Bioelectrical impedance vector analysis (BIVA) was also obtained from the bioimpedance data...
October 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27821862/manipulation-of-zebrafish-s-orientation-using-artificial-cilia-in-a-microchannel-with-actively-adaptive-wall-design
#11
Karthick Mani, Tsung-Chun Chang Chien, Bivas Panigrahi, Chia-Yuan Chen
The zebrafish is a powerful genetic model organism especially in the biomedical chapter for new drug discovery and development. The genetic toolbox which this vertebrate possesses opens a new window to investigate the etiology of human diseases with a high degree genetic similarity. Still, the requirements of laborious and time-consuming of contemporary zebrafish processing assays limit the procedure in carrying out such genetic screen at high throughput. Here, a zebrafish control scheme was initiated which includes the design and validation of a microfluidic platform to significantly increase the throughput and performance of zebrafish larvae manipulation using the concept of artificial cilia actuation...
November 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27797417/bifunctional-ru-ii-complex-catalysed-tandem-c-c-bond-formation-efficient-and-atom-economical-strategy-for-the-utilisation-of-alcohols-as-alkylating-agents
#12
Bivas Chandra Roy, Kaushik Chakrabarti, Sujan Shee, Subhadeep Paul, Sabuj Kundu
Catalytic activities of a series of functional bipyridine-based Ru(II) complexes in β-alkylation of secondary alcohols using primary alcohols were investigated. Bifunctional Ru(II) complex (3 a) bearing 6,6'-dihydroxy-2,2'-bipyridine (6DHBP) ligand exhibited the highest catalytic activity for this reaction. Using significantly lower catalyst loading (0.1 mol %) dehydrogenative carbon-carbon bond formation between numerous aromatic, aliphatic and heteroatom substituted alcohols were achieved with high selectivity...
December 12, 2016: Chemistry: a European Journal
https://www.readbyqxmd.com/read/27737790/vector-bioimpedance-detects-situations-of-malnutrition-not-identified-by-the-indicators-commonly-used-in-geriatric-nutritional-assessment-a-pilot-study
#13
Ma Paz Redondo-Del-Río, Ma Alicia Camina-Martín, Laura Moya-Gago, Sandra de-la-Cruz-Marcos, Vincenzo Malafarina, Beatriz de-Mateo-Silleras
OBJECTIVE: To compare body composition as assessed by conventional and vector bioelectrical impedance analysis according to the nutritional cataloging using body mass index (BMI) in a group of institutionalized elderly. METHODS: Cross-sectional study in 38 institutionalized elderly. Body composition was estimated by bioimpedance analysis. Differences in body composition were analyzed using t-test and ANOVA, or their corresponding nonparametric tests. Statistical significance was set at p<0...
October 10, 2016: Experimental Gerontology
https://www.readbyqxmd.com/read/27673684/the-association-of-hydration-status-with-physical-signs-symptoms-and-survival-in-advanced-cancer-the-use-of-bioelectrical-impedance-vector-analysis-biva-technology-to-evaluate-fluid-volume-in-palliative-care-an-observational-study
#14
Amara Callistus Nwosu, Catriona R Mayland, Stephen Mason, Trevor F Cox, Andrea Varro, John Ellershaw
BACKGROUND: Hydration in advanced cancer is a controversial area; however, current hydration assessments methods are poorly developed. Bioelectrical impedance vector analysis (BIVA) is an accurate hydration tool; however its application in advanced cancer has not been explored. This study used BIVA to evaluate hydration status in advanced cancer to examine the association of fluid status with symptoms, physical signs, renal biochemical measures and survival. MATERIALS AND METHODS: An observational study of 90 adults with advanced cancer receiving care in a UK specialist palliative care inpatient unit was conducted...
2016: PloS One
https://www.readbyqxmd.com/read/27672565/management-of-ewing-sarcoma-family-of-tumors-current-scenario-and-unmet-need
#15
REVIEW
Bivas Biswas, Sameer Bakhshi
Ewing sarcoma family tumors (ESFT) are heterogeneous, aggressive group of disease with peak incidence in adolescent and young adults. The outcome has been improved dramatically from 10% with surgery and radiotherapy alone to 65%-70% now, in localized disease, with the introduction of chemotherapy. Chemotherapy regimen evolved from single agent to multiagent with effort of many cooperative clinical trials over decades. The usual treatment protocol include introduction of multi-agent chemotherapy in neoadjuvant setting to eradicate systemic disease with timely incorporation of surgery and/or radiotherapy as local treatment modality and further adjuvant chemotherapy to prevent recurrence...
September 18, 2016: World Journal of Orthopedics
https://www.readbyqxmd.com/read/27660648/endoleak-assessment-using-computational-fluid-dynamics-and-image-processing-methods-in-stented-abdominal-aortic-aneurysm-models
#16
Yueh-Hsun Lu, Karthick Mani, Bivas Panigrahi, Wen-Tang Hsu, Chia-Yuan Chen
Endovascular aortic aneurysm repair (EVAR) is a predominant surgical procedure to reduce the risk of aneurysm rupture in abdominal aortic aneurysm (AAA) patients. Endoleak formation, which eventually requires additional surgical reoperation, is a major EVAR complication. Understanding the etiology and evolution of endoleak from the hemodynamic perspective is crucial to advancing the current posttreatments for AAA patients who underwent EVAR. Therefore, a comprehensive flow assessment was performed to investigate the relationship between endoleak and its surrounding pathological flow fields through computational fluid dynamics and image processing...
2016: Computational and Mathematical Methods in Medicine
https://www.readbyqxmd.com/read/27651612/role-of-tranexamic-acid-in-reducing-blood-loss-in-vaginal-delivery
#17
Priyankur Roy, M S Sujatha, Ambarisha Bhandiwad, Bivas Biswas
INTRODUCTION: Anti-fibrinolytic agents are used to reduce obstetric blood loss as the fibrinolytic system is known to get activated after placental delivery. OBJECTIVES: To evaluate the efficacy of parenteral tranexamic acid in reducing blood loss during normal labour and to compare it with the amount of blood loss in patients who received placebo in the third stage of labour. METHODOLOGY: Patients with spontaneous labour or planned for induction of labour and fulfilling the inclusion criteria were recruited for the study...
October 2016: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/27651611/placental-blood-drainage-as-a-part-of-active-management-of-third-stage-of-labour-after-spontaneous-vaginal-delivery
#18
Priyankur Roy, M S Sujatha, Ambarisha Bhandiwad, Bivas Biswas, Anumita Chatterjee
AIM: The third stage of labour commences after the delivery of the foetus and ends with the delivery of the placenta and its membranes. Postpartum haemorrhage is the most common cause of maternal mortality and accounts for about 25 % of maternal deaths in India. OBJECTIVES: The present study was designed to evaluate the effectiveness of placental blood drainage after spontaneous vaginal delivery as part of active management of third stage of labour in decreasing the duration, blood loss, and complications of the third stage, against no drainage of placental blood...
October 2016: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/27580222/association-of-cardiac-cachexia-and-atrial-fibrillation-in-heart-failure-patients
#19
Estefanía Arámbula-Garza, Lilia Castillo-Martínez, Dulce González-Islas, Arturo Orea-Tejeda, Brenda Santellano-Juárez, Candace Keirns-Davies, Viridiana Peláez-Hernández, Rocío Sánchez-Santillán, Juan Pineda-Juárez, Carlos Cintora-Martínez, Ruth Pablo-Santiago
BACKGROUND: Cachexia is a common complication in patients with advanced heart failure (HF) associated with inflammatory response activation. Atrial fibrillation (AF) is the most frequent arrhythmia (26%), probably both exacerbate the cardiac cachexia (CC). OBJECTIVES: Evaluate the association of cardiac cachexia and atrial fibrillation in heart failure patients. MATERIAL AND METHODS: In a case control study, CC was diagnosed by electrical bioimpedance with vectorial analysis (BIVA)...
November 15, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27491548/bioelectrical-impedance-vector-analysis-as-a-useful-predictor-of-nutritional-status-in-patients-with-short-bowel-syndrome
#20
Priscila Giacomo Fassini, Carolina Ferreira Nicoletti, Karina Pfrimer, Carla Barbosa Nonino, Júlio Sérgio Marchini, Eduardo Ferriolli
BACKGROUND & AIMS: Short bowel syndrome (SBS) represents a serious intestinal absorption disorder. Therefore, patients with SBS may have severe malnutrition and excessive mineral and fluid losses. Once the assessment of nutritional status is important in their follow-up, body composition measurements and especially total body water (TBW) must be repeatedly evaluated for the assessment of changes in hydration and nutritional care. The aim of this study was to investigate if bioelectrical impedance vector analysis (BIVA) is a useful predictor of nutritional and hydration status in SBS patients...
July 27, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
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