mechanical stimulation of bone cells using fluid flow
An experimental investigation of heat transfer and fluid flow in a rectangular duct with inclined discrete ribs
Ngày tải lên :
05/09/2013, 16:10
... point “0”along the direction of main fluid flow and Y is the distance from the ribbed surface perpendicular to the direction of main fluid flow Figure Velocity profile for flow over an inclined rib ... release of main and secondary flow through the gap Further presence of some of the high velocity vectors just behind the rib confirm the enerzization of retarded main flow due to release of secondary ... study of developed flow and heat transfer in coolants with channels with 45 degree ribs”, Int Journal of Heat and fluid flow, 20, 311-319, 1999 [11] Xiufang and Sudden Bengt “PIV measurement of flow...
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Báo cáo y học: "Direct Toll-like receptor 2 mediated co-stimulation of T cells in the mouse system as a basis for chronic inflammatory joint disease" ppsx
Ngày tải lên :
09/08/2014, 01:23
... FACS sorting, by using a panel of mAbs against surface markers of B cells (B220), NK cells (NK1.1), dendritic cells (DCs) (CD11c/I-A) and macrophages (Mac-1) Sorted cell populations of B6 and TLR-2-/- ... Germany) CD4 and CD8 single-positive cells were then isolated by FACS (MoFlo; Cytomation) The purity of the cells was greater than 99% Macrophages from bone marrow Bone marrow macrophages were cultivated ... [42] but also as costimulators of cells of the adaptive immune system TLR-2 engagement therefore influences the differentiation of T cells not only by the activation of DCs (indirect pathway R439...
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báo cáo khoa học: "Cellular transfer and AFM imaging of cancer cells using Bioimprint" pdf
Ngày tải lên :
11/08/2014, 00:22
... studying biological cells using a Bioimprint™ technique with AFM analysis, to enable the high-resolution replication and imaging of the surface topography of human endometrial cancer cells As non-malignant ... application Absence of a thin layer of medium above the cells inevitably causes aridity, and resulted in many Bioimprint™ rep- Page of 10 (page number not for citation purposes) Journal of Nanobiotechnology ... mm The attachment of cells to the substrate prevent features from being submersed completely within the polymer material, enabling an impression of the exposed surface of the cells to be made...
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Báo cáo y học: "Short reflex expirations (expiration reflexes) induced by mechanical stimulation of the trachea in anesthetized cats" ppt
Ngày tải lên :
13/08/2014, 08:20
... Motor pattern of short reflex expiration (ERt) induced by mechanical stimulation of the trachea (stim) Motor pattern of short reflex expiration (ERt) induced by mechanical stimulation of the trachea ... – PCA T (onset of PCA – ABD peak) T (peak of PCA – ABD peak) T (ABD peak – offset of PCA) Relative amplitude of PCA Number of cats – ThAr T (onset of ThAr – ABD peak) T (peak of ThAr – ABD peak) ... succession; another 26 Mechanical stimulation of the trachea (stim) with short reflex expiration (ERt) during the inspiratory period of breathing Figure Mechanical stimulation of the trachea (stim)...
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Photoimmunotherapy of melanoma via combination of hypericin photodynamic therapy and in vivo stimulation of dendritic cells by PNGVL3 HFLEX plasmid DNA
Ngày tải lên :
28/11/2015, 13:45
... findings of Korbelik and Dougherty, 1999 whereby depletion of CD8+ T cells substantially impaired the ability of PDT to suppress the long-term growth of EMT6 as opposed to the depletion of CD4+ T cells ... Photoimmunotherapy of murine melanoma via combination of hypericinphotodynamic therapy and in vivo stimulation of dendritic cells by pNGVL3hFlex plasmid DNA Oral presentation at the 10th World Congress of the ... modality of treatment is the main focus of the present study and will be discussed in detail later Intra-tumoral injection of DCs offers the theoretical advantage of in vivo loading and activation of...
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Effects of combined mechanical and pulsed electromagnetic field stimulations on the osteogenesis of bone marrow stem cells
Ngày tải lên :
09/09/2015, 17:52
... Composition of Bone From a macro perspective, there are two types of bone structure, the compact (cortical) bone and the trabecular (cancellous) bone Cortical bone forms the dense outer shell of most bones ... 80% of the total bone mass Cortical bone is mostly found in the shaft portion of long bones and the outer shell found around the spongy bone at the end of joints It is denser than cancellous bone ... woven bone Remodeling phase – Replacement of woven bone by lamellar bone and the resorption of excess callus Gradual modification of the fracture region leads to restoration of normal bone architecture...
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Differentiation of bone marrow derived mesenchymal stem cells (BM MSCs) using engineered nanofiber substrates
Ngày tải lên :
11/09/2015, 09:57
... Casey K Chan Effects of mechanical stimulation in osteogenic and chondrogenic differentiation of bone marrow-derived mesenchymal stem cells on nanofibrous scaffolds Journal of Bioactive and Compactable ... 56 2.3 Types of cells used in bone tissue engineering for osteogenic differentiation 59 2.3.1 Potential of mesenchymal stem cells (MSCs) for bone healing 60 2.3.2 Potential of bone marrow ... that cells attach and organize well on fibers that have diameters smaller than that of the diameter of the cells [10] One of the key components of bone tissue engineering is the concept of ECM...
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Therapeutic ultrasound as a potential male contraceptive: power, frequency and temperature required to deplete rat testes of meiotic cells and epididymides of sperm determined using a commercially available system doc
Ngày tải lên :
05/03/2014, 17:20
... al [3] In a series of publications, it was shown that a single application of ultrasound could result in a dramatic loss of germ cells from testes and that this loss of germ cells was reversible ... consisting of many spermatogenic cells in various stages of spermatogenesis Two weeks after using wet heat to elevate testis temperature there was a significant loss of spermatogenic cells although ... plane coincident with the bottom surface of the ultrasound chamber with the center of rotation offset mm from the center of the transducer face The movement of the transducer mimics its use as a...
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MICRO-ELECTRO-MECHANICAL- SYSTEMS (MEMS) AND FLUID FLOWS pptx
Ngày tải lên :
09/03/2014, 00:20
... CALIFORNIA INSTITUTE OF TECHNOLOGY on 09/08/05 For personal use only MEMS & FLUID FLOWS 581 a difference: 3-D and freestanding structures are common features, because of the nature of mechanical parts ... DSMC modeling of micromechanical devices AIAA Pap 95– 2089 Piekos ES, Breuer KS 1996 Numerical modeling of micromechanical devices using the direct simulation Monte Carlo method J Fluids Eng 118:464–69 ... In a magnetic field of kg, the device can be driven to a rotational angle of more than 30◦ , because of the induction of magnetization in the Permalloy In addition, a ±100 mA of current can then...
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Synthesis and characterization of silicon nanowires using tin catalyst for solar cells application
Ngày tải lên :
16/03/2014, 15:12
... Therefore, further reduction of the reflectance will be expected from the optimization of the synthesis conditions of SiNWs For analysis of the electrical properties, the I–V curve of the fabricated SiNWs ... characteristics of the fabricated SiNWs solar cell under dark and light conditions the thickness of Si base substrate more thinly For improvement of conversion efficiency of the SiNWs solar cells, the ... at λ b 700 nm [20] The difference of the reflectance might be the effect of synthesis conditions, such as thickness of metal film and SiH4 gas flow The reduction of reflectance is very helpful to...
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Fundamentals of the finite element method for heat and fluid flow lewis, nithiarasu,seetharamu
Ngày tải lên :
17/03/2014, 13:53
... Fundamentals of the Finite Element Method for Heat and Fluid Flow Fundamentals of the Finite Element Method for Heat and Fluid Flow Roland W Lewis University of Wales Swansea, UK Perumal ... this text Professor Seetharamu acknowledges Professor Ahmed Yusoff Hassan, Associate Professor Zainal Alimuddin and Dr Zaidi Md Ripin of the School of Mechanical Engineering, Universiti Sains Malaysia ... Importance of Heat Transfer The subject of heat transfer is of fundamental importance in many branches of engineering A mechanical engineer may be interested in knowing the mechanisms of heat transfer...
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doe fundamentals handbook - thermodynamics, heat transfer, and fluid flow - volume 1 of 3
Ngày tải lên :
17/03/2014, 15:00
... Inches of water c Inches of mercury d Millimeters of mercury e Microns of mercury Temperature Temperature is a measure of the molecular activity of a substance The greater the movement of molecules, ... force that exists in a column of fluid at a certain height The most common of these are inches of water, inches of mercury, millimeters of mercury, and microns of mercury Conversion factors are ... rate of heat transfer Volume of Module - Fluid Flow This module describes the relationship between the different types of energy in a fluid stream through the use of Bernoulli's equation The module...
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doe fundamentals handbook - thermodynamics, heat transfer, and fluid flow - volume 2 of 3
Ngày tải lên :
17/03/2014, 15:00
... ft The temperature of the inner surface of the pipe is 12 2oF and the temperature of the outer surface is 11 8oF The thermal conductivity of the stainless steel is 108 Btu/hr-ft -oF Calculate the ... convection Convection Convection involves the transfer of heat by the motion and mixing of "macroscopic" portions of a fluid (that is, the flow of a fluid past a solid boundary) The term natural convection ... rate of heat transfer Volume of Module - Fluid Flow This module describes the relationship between the different types of energy in a fluid stream through the use of Bernoulli's equation The module...
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doe fundamentals handbook - thermodynamics, heat transfer, and fluid flow - volume 3 of 3
Ngày tải lên :
17/03/2014, 15:00
... the degree of turbulence of the flow Flow Regimes All fluid flow is classified into one of two broad categories or regimes These two flow regimes are laminar flow and turbulent flow The flow regime, ... Rev HT Department of Energy Fundamentals Handbook THERMODYNAMICS, HEAT TRANSFER, AND FLUID FLOW, Module Fluid Flow blank Fluid Flow TABLE OF CONTENTS TABLE OF CONTENTS LIST OF FIGURES ... or flow rate in a specified fluid system using the continuity equation 1.9 DESCRIBE the characteristics and flow velocity profiles of laminar flow and turbulent flow 1.10 DEFINE the property of...
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Detection of breast cancer cells using targeted magnetic nanoparticles and ultra-sensitive magnetic field sensors potx
Ngày tải lên :
22/03/2014, 17:20
... and characterized In anticipation of the identification of new markers in the future and the possibility of using cocktails, we are focusing on the development of a universal probe, based on iron ... labeling of attached cells, cells were cultured on acid-washed glass coverslips Quantification of Her2 site density was performed as previously described by using approximately 105 cells and ... Mexico School of Medicine, MSC07 4025, University of New Mexico, Albuquerque, NM 87131, USA 3Department of Pathology, University of New Mexico School of Medicine, MSC08 46401 University of New Mexico,...
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báo cáo hóa học:" A practical approach for the validation of sterility, endotoxin and potency testing of bone marrow mononucleated cells used in cardiac regeneration in compliance with good manufacturing practice" docx
Ngày tải lên :
18/06/2014, 15:20
... gradient centrifugation (bone marrow selected cells) (n = 4) Phenotypical analysis of whole bone marrow cells and after density gradient centrifugation (bone marrow selected cells) (n = 4) Sterility ... Basically, two types of potency assays can be envisioned: in vitro assays using cell systems and in vivo assays using animal models As concerning the use of bone marrow mononucleated cells in cardiac ... CD133 surface antigen defines a subset of hematopoietic stem cells enriched for Endotelial Progenitor Cells (EPCs) [11] The angiogenic potential of bone marrow cells has been tested into hind limb...
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Báo cáo hóa học: "Inhibiting adenoid cystic carcinoma cells growth and metastasis by blocking the expression of ADAM 10 using RNA interference" pdf
Ngày tải lên :
18/06/2014, 16:20
... Briefly, cells were seeded in wells of 96-well plates at a density of × 103 cells/ well One plate was taken out at the same time every day after the cells had adhered to the wall Twenty microliters of ... http://www.translational-medicine.com/content/8/1/136 Page of 10 Figure Detection of the metastatic potential of SACC-LM and SACC-83 cells (a), (b) A Matrigel transwell invasion assay was used to test the ability of SACC-LM and SACC-83 cells to ... (SACC-Mock) cells, ADAM 10RNAi cells showed decreased cell proliferation, supporting the role of ADAM 10 in cell growth in SACC-LM cells (Figure 5C) In addition, the affect of gene silencing of ADAM...
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Báo cáo sinh học: " Detection of virus mRNA within infected host cells using an isothermal nucleic acid amplification assay: marine cyanophage gene expression within Synechococcus sp" potx
Ngày tải lên :
18/06/2014, 18:20
... polymerase) off the 3' of the extension probe, leading to the generation of large amounts of RNA signal (by T7 RNA polymerase), which may itself be amplified if required (b) Detection of RNA signal ... Sequences of probes for the amplification of signal RNA, capture and detection of SMART signal, and of synthetic product for ELOSA standard curve have all been published previously [1,4] Page of (page ... and RNA were extracted as described below Extraction of viral nucleic acid from infected host cells RNA was extracted from mL of pelleted cells using a Qiagen RNeasy® Mini kit according to the manufacturer's...
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báo cáo hóa học: " Reconstruction of skeletal movement using skin markers: comparative assessment of bone pose estimators" potx
Ngày tải lên :
19/06/2014, 10:20
... procedure of the bone ALs [1] Three sources of errors typically affect the in vivo estimation of the pose of a skeletal bone when non invasive techniques are used: instrumental errors, soft tissues ... Patterns 3of the soft femoral anatomical frame position of the twelve thigh markers during a gait cycle performed by the anaPatterns of the soft tissue artifacts affecting the position of the twelve ... the movement the tensor of inertia of the configuration Di of the corrupted marker locations is generated and the pose of the RF formed by the principal axes of inertia of Di is determined (PCTu)...
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báo cáo hóa học:" SPECT/CT-plethysmography – non-invasive quantitation of bone and soft tissue blood flow" ppt
Ngày tải lên :
20/06/2014, 01:20
... require delivery of nutrients and oxygen through blood flow to bone tissue [21] Interruption of normal bone and soft tissue blood flow has been shown to be responsible for the development of severe ... scintigraphic readings) Bone volumes, including the bone marrow (VB), were derived from the CT scan using an in-house software that performs segmentation of the bone and soft tissue for each CT ... regional blood flow (e.g., Dupplex) may allow for BBF measurement in flat/small bones Present method did not allow for separation of bone marrow from cortical bone flow The use of improved devices...
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