نتایج جستجو برای: partitioning factor pf

تعداد نتایج: 886439  

ژورنال: پوست و زیبایی 2018
احمدنصرالهی, سامان, ذوالفقاری, فاطمه, رستگار, حسین, فیروز, علیرضا, هدایت, کمند,

Sunscreen products are among the most important ways for skin protection against sunburn, early skin aging and skin cancer. Due to existing wide variation of sunscreens, it is necessary to assure their protection ability against the sun damage. Performance assessment of sunscreen products against UVA is expressed by sun UVA protection factor (UVA-PF). Because currently these factors are determi...

Journal: :Journal of nematology 1994
F Zhang D P Schmitt

A host suitability study of 32 plant species to Meloidogyne konaensis included 54 vegetable cultivars, 12 field crop cultivars, one Gardenia sp., and two weed species. Host suitability was classified according to a M. konaensis reproductive factor: final population density (Pf) (eggs + J2) / initial population density (Pi) (eggs). The number of eggs per gram dry root, and a galling index was al...

Journal: :Archives of biochemistry and biophysics 2010
Sangwon Byun Micky D Tortorella Anne-Marie Malfait Kam Fok Eliot H Frank Alan J Grodzinsky

The availability of therapeutic molecules to targets within cartilage depends on transport through the avascular matrix. We studied equilibrium partitioning and non-equilibrium transport into cartilage of Pf-pep, a 760 Da positively charged peptide inhibitor of the proprotein convertase PACE4. Competitive binding measurements revealed negligible binding of Pf-pep to sites within cartilage. Upta...

Journal: :Cancer research 2007
Sofie Struyf Marie D Burdick Elke Peeters Karolien Van den Broeck Chris Dillen Paul Proost Jo Van Damme Robert M Strieter

The platelet factor-4 variant, designated PF-4var/CXCL4L1, is a recently described natural non-allelic gene variant of the CXC chemokine platelet factor-4/CXCL4. PF-4var/CXCL4L1 was cloned, and the purified recombinant protein strongly inhibited angiogenesis. Recombinant PF-4var/CXCL4L1 was angiostatically more active (at nanomolar concentration) than PF-4/CXCL4 in various test systems, includi...

2016
Bosheng Sun

Introduction Many articles have been written on how to improve power factor (PF). For the most part, they focus on power factor correction (PFC) current-loop tuning, or how to match the phase tracking of the PFC inductor current to the input voltage as closely as possible. This article explores a different angle. Poor PF mostly occurs at high line voltage and light load. Under these conditions,...

Journal: :Molecular cancer research : MCR 2010
Jo Vandercappellen Sandra Liekens Annelies Bronckaers Samuel Noppen Isabelle Ronsse Chris Dillen Mirella Belleri Stefania Mitola Paul Proost Marco Presta Sofie Struyf Jo Van Damme

Chemokines influence tumor growth directly or indirectly via both angiogenesis and tumor-leukocyte interactions. Platelet factor-4 (CXCL4/PF-4), which is released from alpha-granules of activated platelets, is the first described angiostatic chemokine. Recently, it was found that the variant of CXCL4/PF-4 (CXCL4L1/PF-4var) could exert a more pronounced angiostatic and antitumoral effect than CX...

Ahmadi M Kianpour M, Nematbakhsh M

Background: Endometriosis is known as one of the most common disease in women of reproductive age. Due to importance role of vascular endothelial growth factor (VEGF) in neo-vascularization for the implantation of endometrial cell and different reported results for VEGF level in the serum and peritoneal fluid (PF) in endometriosis patients, this study was designed to determine the serum and PF ...

Journal: :Blood 1998
C Perollet Z C Han C Savona J P Caen A Bikfalvi

Platelet factor 4 (PF-4) inhibits angiogenesis in vitro and in vivo. The mechanism of inhibition is poorly understood. We have investigated the mechanism of inhibition by examining the interaction of PF-4 and the fibroblast growth factor-2 (FGF-2)/fibroblast growth factor receptor (FGFR) system. PF-4 inhibited the binding of FGF-2 to high-affinity and low-affinity binding sites in murine microv...

2007
Sofie Struyf Marie D. Burdick Elke Peeters Karolien Van den Broeck Chris Dillen Paul Proost Jo Van Damme Robert M. Strieter

The platelet factor-4 variant, designated PF-4var/CXCL4L1, is a recently described natural non-allelic gene variant of the CXC chemokine platelet factor-4/CXCL4. PF-4var/CXCL4L1 was cloned, and the purified recombinant protein strongly inhibited angiogenesis. Recombinant PF-4var/CXCL4L1 was angiostatically more active (at nanomolar concentration) than PF-4/CXCL4 in various test systems, includi...

2010
Liping Wang Yusheng Ji

v ness. Simulation results indicate that CS-VF is more adaptable to different traffic distributions and dynamic network topologies. On the other hand, the proposed semi-distributed resource allocation scheme consists of a constant power allocation, adaptive subframe partitioning (ASP), and link-based or end-to-end packet scheduling. Simulation results indicate that the ASP algorithm increases s...

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