نتایج جستجو برای: biokinetic coefficient

تعداد نتایج: 169689  

Journal: :Physics in medicine and biology 2014
Tianwu Xie Habib Zaidi

PET uses specific molecules labelled with positron-emitting radionuclides to provide valuable biochemical and physiological information. However, the administration of radiotracers to patients exposes them to low-dose ionizing radiation, which is a concern in the paediatric population since children are at a higher cancer risk from radiation exposure than adults. Therefore, radiation dosimety c...

2016
Ross Corkrey Tom A. McMeekin John P. Bowman David A. Ratkowsky June Olley Tom Ross

[This corrects the article DOI: 10.1371/journal.pone.0153343.].

Journal: :Journal of Sustainable Development 2013

2015
Alma Mašić Sriniketh Srinivasan Julien Billeter Dominique Bonvin Kris Villez

Model structure selection and parameter identification for biokinetic modeling of biological wastewater treatment processes is broadly accepted to be a complicated task. Contributing factors include (i) nonlinear behavior, (ii) lack of knowledge, (iii) lack of (accurate) measurements, and (iv) a large number of model parameters to estimate. Several strategies have been proposed in the wastewate...

Journal: :Environmental Health Perspectives 1998
M Rabinowitz

A historical review of the development of biokinetic model of lead is presented. Biokinetics is interpreted narrowly to mean only physiologic processes happening within the body. Proceeding chronologically, for each epoch, the measurements of lead in the body are presented along with mathematical models in an attempt to trace the convergence of observations from two disparate fields--occupation...

2015
Nicholas Fisher Jessica Dutton

The bioaccumulation of 10 metals in five fish species was experimentally evaluated following exposure to dietary or aqueous metal at environmentally realistic metal concentrations. A biokinetic model showed that, with few exceptions, >90% of a fish’s metal body burden was obtained from diet. Regulatory bodies need to consider these findings in setting appropriate water quality criteria. Metal u...

Journal: :Advanced materials 2017
Peiyi Song Shuangyang Kuang Nishtha Panwar Guang Yang Danny Jian Hang Tng Swee Chuan Tjin Wun Jern Ng Maszenan Bin Abdul Majid Guang Zhu Ken-Tye Yong Zhong Lin Wang

The first triboelectric-nanogenerator (TENG)-based self-powered implantable drug-delivery system is presented. Pumping flow rates from 5.3 to 40 µL min-1 under different rotating speeds of the TENG are realized. The implantable drug-delivery system can be powered with a TENG device rotated by human hand motion. Ex vivo trans-sclera drug delivery in porcine eyes is demonstrated by utilizing the ...

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