نتایج جستجو برای: bf

تعداد نتایج: 6952  

2015
Barbara Bohn Manfred James Müller Gunter Simic-Schleicher Wieland Kiess Wolfgang Siegfried Monika Oelert Sabine Tuschy Stefan Berghem Reinhard W. Holl

BACKGROUND Body fat (BF) percentiles for German children and adolescents have recently been published. This study aims to evaluate the association between bioelectrical impedance analysis (BIA)-derived BF and cardiovascular risk factors and to investigate whether BF is better suited than BMI in children and adolescents. METHODS Data of 3,327 children and adolescents (BMI > 90th percentile) we...

Journal: :American journal of preventive medicine 2011
Kelly R Laurson Joey C Eisenmann Gregory J Welk

BACKGROUND Few studies have identified health-related criterion standards of percent body fat (%BF) in U.S. youth. Further, existing standards are static thresholds (e.g., 25%, 30%) and do not account for normal growth and maturation. PURPOSE The purpose of this study was to identify thresholds of %BF in youth linked to metabolic syndrome in a large sample of U.S. children and adolescents. ...

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2010
Ilkka H Heinonen Jukka Kemppainen Kimmo Kaskinoro Juha E Peltonen Ronald Borra Markus Lindroos Vesa Oikonen Pirjo Nuutila Juhani Knuuti Robert Boushel Kari K Kalliokoski

Although many effects of both acute and chronic hypoxia on the circulation are well characterized, the distribution and regulation of blood flow (BF) heterogeneity in skeletal muscle during systemic hypoxia is not well understood in humans. We measured muscle BF within the thigh muscles of nine healthy young men using positron emission tomography during one-leg dynamic knee extension exercise i...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم پزشکی 1391

در این پژوهش 100 نمونه بیمار در دو گروه تحت درمان (70 نمونه) و گروهی که دارو مصرف نمی کنند (30نمونه) جهت تعیین آنالیز فیلوژنتیک، مقاومت دارویی و بررسی کارایی تغییر رژیم دارویی که بر اساس نوع مقاومت ها و علائم کلینیکی تجویز می شود، مورد استفاده قرار گرفت. ابتدا با راه اندازی و بکار گیری روش rt nested pcr که حساسیت خیلی بالایی دارد و توالی یابی دو طرفه دو ناحیه ژنی rt و پروتئاز، مقاومت های دارویی...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2008
Wei Sun Jian Ji Jiacong Shen

The self-assembly of nanoparticles at the fluid/fluid interface (Pickering emulsions) in the breath figures (BF) method have been explored to direct nanoparticles onto BF microarrays and adjust the BF assembly in microsize. Circular rings of nanoparticle-decorated honeycomb-structured polymeric film can be obtained by a one-step process. The combination of Pickering emulsions and capillary flow...

Journal: :Proceedings of the American Mathematical Society 1984

Journal: :Asia-Pacific population journal 1990
S Thapa N E Williamson

This review considers some of the many reasons why researchers and policy makers are increasingly concerned about breastfeeding (BF). It discusses the contraceptive effect and health benefits of BF, and review major BF trends and patterns in selected countries and areas of Asia. It also discusses the complementarity between BF and contraceptive use, and highlights the findings of the studies ...

2013
Javier Blanco-Rivero Esther Sastre Laura Caracuel Miriam Granado Gloria Balfagón

OBJECTIVES The aim of this study was to investigate in rat mesenteric artery whether breast feeding (BF) affects the vasomotor response induced by electrical field stimulation (EFS), participation by different innervations in the EFS-induced response and the mechanism/s underlying these possible modifications. METHODS Experiments were performed in female Sprague-Dawley rats (3 months old), di...

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