intrinsic signals for bone development and repair

... or for complex bone ailments (for drug elution inside bones) The wire can easily be inserted inside the bones and could potentially open up new possibilities for enhanced bone fixation /repair and ... titania nanotube arrays for improved drug elution and osteoblast adhesion Acta Biomater 25 Crawford GA, Chawla N, Das K, Bose S, Bandyopadhyay A: Microstructure and deformation behavior of biocompatible ... (diameter and length), this local concentration can be controlled and tuned to fit into an optimal therapeutic window for the treatment of bone infection by antibiotic The general approach for antibiotic...

Ngày tải lên: 20/06/2014, 22:20

... could be applied for wastewater treatment or for water reuse in hatcheries The MBBR technology has been developed and applied in several countries for treating aquaculture wastewater and it shows ... microorganisms (Nitrosomonas and Nitrobacter), particularly in the presence of salt and at low ammonia concentrations before and after treatment (to satisfy the quality for cultivation) Low nitrification ... technologies To compensate for lower performance, MBBR has a simple operational mode (compared with the fluidized technology, as it requires high automation for process control and does not need a separate...

Ngày tải lên: 21/06/2014, 05:20

... current information regarding the biology of bone formation and repair, reviews the basic science of autologous bone graft, skeletal allografts, bone graft substitutes, and growth factors, and explores ... maleus, and stapes, and the hulky femur In addition to the signals for mitogenesis and differentiation, there are signals for programmed cell death: apoptotic signals As a symphony of life and death ... sizes and shapes to bones Mostly independent resorption and formation modeling drifts it in bones and bone grafts Modeling drifts mainly determine outside bone diameter, cortical thickness, and...

Ngày tải lên: 11/08/2014, 05:20

... Mechanisms Regulating Bone Formation 51 BONE FORMATION DURING FRACTURE REPAIR Histologically, bone formed during skeletogenesis has much in common with bone formed during fracture repair (1,2,35) (Fig ... Growth factors for bone growth and repair: IGF, TGF beta and BMP Bone 19(1 Suppl), 1S–12S 38 Joyce, M E., et al (1990) Transforming growth factor-beta and the initiation of chondrogenesis and osteogenesis ... Sheep Skull bone Skull bone Dermis Long bone Angiogenesis Angiogenesis Angiogenesis Skull bone Long bone Long bone Cartilage Maxilla Long bone Vertebrae Long bone, maxilla Vertebrae Long bone Skull...

Ngày tải lên: 11/08/2014, 05:20

... bone formation, bone repair, and skeletal regeneration therapy J Cell Biochem 56(3), 283–294 Caplan, A I and Pechak, D (1987) The cellular and molecular biology of bone formation, in Bone and ... optimal conditions for bone formation To better approximate the ideal biological milieu for bone formation, conditions must aim to optimize cell interaction and supply the cytokines and growth factors ... various capacities to provide active bone formation, to induce bone formation by cells of the surrounding soft tissue, and to serve as a substrate for bone formation The biological activity of...

Ngày tải lên: 11/08/2014, 05:20

... (1965) Bone: formation by autoinduction Science 150, 893–899 146 Wozney, J M and Rosen, V (1998) Bone morphogenetic protein and bone morphogenetic protein gene family in bone formation and repair ... load-protected bone Cortical bone mass and strength studies in rabbits Acta Orthop Scand 59, 24–28 14 Wittbjer, J., Rohlin, M., and Thorngren, K.-G (1983) Bone formation in demineralized bone transplants ... Canalis, E (1991) Transforming growth factor-beta and remodeling of bone J Bone Joint Surg 73A, 1418–1428 116 Andrew, J G., Hoyland, J., Andrew, S M., Freemont, A J., and Marsh, D (1993) Demonstration...

Ngày tải lên: 11/08/2014, 05:20

... available as bone matrix, cancellous bone, cortical bone, or corticocancellous composites Cortical bone grafts are used primarily for structural support, and cancellous bone grafts for osteogenesis ... A–D) or Ad.luciferase (panels E–H) and radiographed at the time of surgery (panels A and E) and after wk (panels B and F), wk (panels C and G) and 12 wk (panels D and H) Defects treated with Ad.BMP-2 ... risks, complications, and additional operative time required for bone grafting, development of new strategies for its substitution is indicated Bone morphogenetic proteins and the other peptide...

Ngày tải lên: 11/08/2014, 05:20

... standard forms of treatment and are left with either congenital deformity or acquired scarring and atrophy The method requires analysis of one or multiple sites of deformity and deficiency (bone ... long bones and healing of segmental defects in long bones differs greatly from the incorporation From: Bone Regeneration and Repair: Biology and Clinical Applications Edited by: J R Lieberman and ... new bone These bone columns, which reach uniform diameters of 150 µm, parallel the distraction force imparted by the external fixator and bridge the host bone surfaces (periosteal, cortical, and...

Ngày tải lên: 11/08/2014, 05:20

... separately, for bacteria, and heart blood samples are cultured and screened for hepatitis B and C and tested for HIV by seeking viral antibodies and antigens and performing polymerase chain reaction ... Association of Tissue Banks and promulgating Guidelines and Standards were major steps forward and allowed safe bone banks to spring up throughout the United States and Europe (67,68) CURRENT ... Engineering and Biodegradable Equivalents (Lewandrowski, K U., et al., eds.), Marcel Dekker, New York, pp 179–194 80 Lewandrowski, K U., Tomford, W W., and Mankin, H J (2002) Demineralization and perforation...

Ngày tải lên: 11/08/2014, 05:20

... the types of bone grafts and the techniques are analogous to the hip and knee arthroplasty, with cancellous grafts used for cavitary defects, strut grafts for long -bone reinforcement, and segmental ... articles for information on clinical trial design These double-blind studies of EF/EMF in orthopedic fracture and bone repair have been recently reviewed (12) and are summarized here and in Table ... indications have expanded and the technique has been refined Today, vascularized fibula grafts are employed for the reconstruction of extensive long bone and composite bone and soft tissue defects...

Ngày tải lên: 11/08/2014, 05:20

... T., and Cooney, W P III (1992) Vascularized bone transfer J Bone Joint Surg 74A, 1441–1449 Osterman, A L and Bora, F W (1984) Free vascularized bone grafting for large-gap nonunion of long bones ... Puhl, J J., and Piotrowski, G (1975) Physical and biological aspects of repair in dog cortical -bone transplants J Bone Joint Surg 57A, 237–252 14 Weiland, A J., Kleinert, H E., Kutz, J E., and Daniel, ... Holmberg, J., and Wieslander, J B (1988) Reconstruction with a free vascularized fibular graft for malignant bone tumor Acta Orthop Scand 59, 430–437 39 Bajec, J and Gang, R K (1993) Bone reconstruction...

Ngày tải lên: 11/08/2014, 05:20

... of PDGF as essential for bone development and repair (56,57) For example, spontaneous deletion of the α-receptors for PDGF results in maldevelopment of craniofacial bones and vertebrae, demonstrating ... number and trebecular bone volume in both long bones and vertebrae, whole skeletal bone mineral density as judged by DEXA and strength of long bones and vertebrae (three-point bending and compression, ... there significant differences noted for coronal bone implant contact, and bone implant contact within the defect site and within resident bone for the rhBMP-2 and control sites, respectively In...

Ngày tải lên: 11/08/2014, 05:20

... Table for the codes of germplasms) included two African (SA and MA) and two South American (BR and PE) accessions; Cluster II contained one African (DZ), one Russian (RU), and two west Asian (PK and ... China Authors’ contributions LQ and CY developed and screened the DNA markers, performed molecular and statistical genetic analyses, BT performed data mining analyses and assisted with developing ... universal and can be applied in comparative mapping and linkage map construction [19,20] Therefore, in recent years, EST-SSRs have already been developed for various crops such as wheat and rice...

Ngày tải lên: 11/08/2014, 11:21

... AGRICULTURE FOR SUSTAINABLE DEVELOPMENT 3) Both short and long-term strategies a) Investment and accumulation of capital b) Reform of pricing schemes development of open markets and other reforms c) ... through 20oC, 25oC are very important for defining the crop calendar and crop rotation , especially for defining the growing period for Agriculture in the North and in the Mountain regions Absolute ... practices and farm systems f) Temperature migration: STRATEGIES TO BE ADAPTED ON AGRICULTURE FOR SUSTAINABLE DEVELOPMENT 2) Long term adaptation a) Development of new technologies and modernization...

Ngày tải lên: 23/09/2012, 15:10

... implications for economic growth and development Levine (1997) and Stulz (2000) have provided excellent reviews of this literature and Allen and Gale (2000) have extended it by developing a framework for ... financial markets and institutions in economic development We show that the underdevelopment of capital markets limits risk-pooling and risk-sharing opportunities for both households and firms The ... Franklin Allen, Jamshed Ghandi, Edward Kane, and Pongsak Hoontrakul for insightful conversations on the role of bond markets in financial development, and to Takagi Shinji for helpful comments on...

Ngày tải lên: 24/10/2012, 09:40

... chapters and obtained one patent He has been recognized for successful development and implementation of solar dryers in Thailand and the development of solar radiation maps from satellite data for ... of Alternative Energy Development and Efficiency of Thailand Acknowledgements The author would like to thank the Department of Alternative Energy Development and Efficiency for inviting Silpakorn ... plates Solar modules and fans Labour costs for constructions Auxiliary heater system Repair and maintenance cost Gas consumption: - Amount of LPG for operating - Price of LPG for LPG burner Electricity...

Ngày tải lên: 05/09/2013, 16:10

... Visitors provide information via HTML forms and see different information depending on their form input This interaction leads to transactions of many types — commerce, research, forums, and so on Building ... installer for Windows that installs and configures Apache for you As of this writing, Apache offers three versions: 1.3, 2.0, and 2.2 Information on Apache versions and instructions for installing ... occasionally, with information you need to know So, right now, before you forget, hop over to the PHP and MySQL Web sites and sign up for a list or two at www.php.net/mailing-lists.php and http://lists.mysql.com...

Ngày tải lên: 24/01/2014, 14:27

... compression formats in a variety of standard and specialized formats Sphere works well for sampled data files, but is limited for more general speech data files A general purpose, public-domain format ... very well for unary operations (e.g., compute and display the spectrogram of a given signal segment), and moderately well for binary operations (e.g., add two signals) But it is awkward for operations ... multi-media, sound and vibration, etc Two examples are HTK for recognition, and Delta (from Eloquent Technology) for synthesis c 1999 by CRC Press LLC 50.9.9 Support for Speech Input and Output In...

Ngày tải lên: 27/01/2014, 03:20

... so for informal and micro enterprises Information and communication technology is now beginning to change this For a selection of websites on SMEs and their development see also Annex 9.3 Information ... POLICIES FOR SMALL BUSINESS A GUIDE FOR THE POLICY REVIEW PROCESS AND STRATEGIC PLANS FOR MICRO, SMALL AND MEDIUM ENTERPRISE DEVELOPMENT About the OECD The Organisation for Economic Co-operation and ... national, regional and local development efforts Objective: To establish mechanisms for co-ordinating policy and practice between central and local government and harmonising the development activities...

Ngày tải lên: 18/02/2014, 00:20

... provided additional information for each assignment, for example the time workers spent on the task We believe this information can be used to analyse and use our data better, and have included it ... assignments, and a $0.05 reward was offered for each HIT QRepHIT required the least amount of design and 447 trials, and workers were delighted with the task The HITs were completed fast and well ... overlapping answers for each question, and the Wikipedia articles including the ones corresponding to the questions The WhyQA-corpus is in XML-format and can be downloaded and used under the GNU...

Ngày tải lên: 20/02/2014, 09:20