Connective tissue

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Connective tissue is a fibrous tissue. It is one of the four traditional classes of tissues. (Wikipedia.org)






Conferences related to Connective tissue

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2020 IEEE International Conference on Plasma Science (ICOPS)

IEEE International Conference on Plasma Science (ICOPS) is an annual conference coordinated by the Plasma Science and Application Committee (PSAC) of the IEEE Nuclear & Plasma Sciences Society.


2019 41st Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)

The conference program will consist of plenary lectures, symposia, workshops andinvitedsessions of the latest significant findings and developments in all the major fields ofbiomedical engineering.Submitted papers will be peer reviewed. Accepted high quality paperswill be presented in oral and postersessions, will appear in the Conference Proceedings and willbe indexed in PubMed/MEDLINE & IEEE Xplore


2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)

CLEO®/Europe will showcase the latest developments in a wide range of laser and photonics areas including laser source development, materials, ultrafast science, fibre optics, nonlinear optics, terahertz sources, high-field physics, optical telecommunications, nanophotonics, biophotonics.EQEC will feature the fundamentals of quantum optics, quantum information, atom optics, ultrafast optics, nonlinear phenomena and self-organization, plasmonics and metamaterials, fundamental nanooptics, theoretical and computational photonics.


2019 IEEE 28th International Symposium on Industrial Electronics (ISIE)

The conference will provide a forum for discussions and presentations of advancements inknowledge, new methods and technologies relevant to industrial electronics, along with their applications and future developments.


2019 IEEE Conference on Virtual Reality and 3D User Interfaces (VR)

to be scoped


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Periodicals related to Connective tissue

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Biomedical Engineering, IEEE Transactions on

Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.


Computational Biology and Bioinformatics, IEEE/ACM Transactions on

Specific topics of interest include, but are not limited to, sequence analysis, comparison and alignment methods; motif, gene and signal recognition; molecular evolution; phylogenetics and phylogenomics; determination or prediction of the structure of RNA and Protein in two and three dimensions; DNA twisting and folding; gene expression and gene regulatory networks; deduction of metabolic pathways; micro-array design and analysis; proteomics; ...


Engineering in Medicine and Biology Magazine, IEEE

Both general and technical articles on current technologies and methods used in biomedical and clinical engineering; societal implications of medical technologies; current news items; book reviews; patent descriptions; and correspondence. Special interest departments, students, law, clinical engineering, ethics, new products, society news, historical features and government.


Information Technology in Biomedicine, IEEE Transactions on

Telemedicine, teleradiology, telepathology, telemonitoring, telediagnostics, 3D animations in health care, health information networks, clinical information systems, virtual reality applications in medicine, broadband technologies, and global information infrastructure design for health care.


Instrumentation and Measurement, IEEE Transactions on

Measurements and instrumentation utilizing electrical and electronic techniques.


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Most published Xplore authors for Connective tissue

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Xplore Articles related to Connective tissue

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Coronary autoregulation based on oxygen flow: a model of oxygen supply to coronary arteriolar smooth muscle in injury and endothelial dysfunction

2001 Conference Proceedings of the 23rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2001

A multi-layers theoretical model of a coronary arteriolar smooth muscle was developed to elucidate the role of oxygen in the control of coronary blood flow. Both oxygen transport by diffusion and local tissue metabolism were considered. Oxygen partial pressure in all layers was calculated. The model suggests that in normal conditions, oxygen partial pressure reaches its minimal value in the ...


Detection of microcalcifications in digitized mammogram film images using wavelet enhancement and local adaptive false positive suppression

IEEE Pacific Rim Conference on Communications, Computers, and Signal Processing. Proceedings, 1995

Microcalcification clusters are the primary radiological indicator of early breast cancers. Microcalcifications appear as small, bright specks in mammogram films. Detection of these abnormalities is often hampered by the presence of prominent background generated by glandular and connective tissue. There exists a great need for computer-assisted techniques to prompt radiologists to examine potential abnormalities that might otherwise be missed. The ...


Chitosan inhibits gap junction formation and contraction of an in vitro wound model

Proceedings of the 20th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. Vol.20 Biomedical Engineering Towards the Year 2000 and Beyond (Cat. No.98CH36286), 1998

Wound healing is a process tightly regulated by interactions between cells, cytokines and the extra-cellular matrix. Wound contraction is an important stage in the healing response, mediated by mechanical forces exerted in the matrix by myo-fibroblasts. Chitosan, a polymer of n-acetyl glucosamine, was examined for its wound contraction inhibition effects. Three dimensional collagen gels populated with human dermal fibroblasts (HDFs) ...


Segmentation of muscle fibre images using Voronoi diagrams and active contour models

Proceedings of 13th International Conference on Pattern Recognition, 1996

The segmentation of a complex scene, such as a sample of muscle fibre types, is notoriously difficult and in most published studies on quantitative muscle fibre analysis it was performed manually. We propose a semi-automatic segmentation method which gives good results, similar to those obtained by manual segmentation, but significantly reduces the time necessary for user interaction. Instead of manually ...


Effects of ocular dimensions on IOP-related stress within the optic nerve head and posterior scleral shell

Proceedings of the First Joint BMES/EMBS Conference. 1999 IEEE Engineering in Medicine and Biology 21st Annual Conference and the 1999 Annual Fall Meeting of the Biomedical Engineering Society (Cat. N, 1999

In glaucoma, retinal axons are damaged as they pass through the connective tissue beams (the lamina cribrosa) which span the scleral canal. We created a set of idealized finite element models (FEMs) of the posterior scleral shell of the human eye to study stresses within the lamina cribrosa and surrounding sclera. These models incorporate a range of human dimensions for ...


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Educational Resources on Connective tissue

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IEEE-USA E-Books

  • Coronary autoregulation based on oxygen flow: a model of oxygen supply to coronary arteriolar smooth muscle in injury and endothelial dysfunction

    A multi-layers theoretical model of a coronary arteriolar smooth muscle was developed to elucidate the role of oxygen in the control of coronary blood flow. Both oxygen transport by diffusion and local tissue metabolism were considered. Oxygen partial pressure in all layers was calculated. The model suggests that in normal conditions, oxygen partial pressure reaches its minimal value in the media, where oxygen consumption is the greatest. When the smooth muscle is injured, its metabolic demands are increased in order to heal, resulting in a P(O/sub 2/) decline. These results are in agreement with experimental results. The model also shows that increased myocardial oxygen partial pressure causes the arteriolar smooth muscle to contract in response to lack of oxygen. Decreased myocardial oxygen pressure results in expansion of the arteriole allowing greater coronary flow.

  • Detection of microcalcifications in digitized mammogram film images using wavelet enhancement and local adaptive false positive suppression

    Microcalcification clusters are the primary radiological indicator of early breast cancers. Microcalcifications appear as small, bright specks in mammogram films. Detection of these abnormalities is often hampered by the presence of prominent background generated by glandular and connective tissue. There exists a great need for computer-assisted techniques to prompt radiologists to examine potential abnormalities that might otherwise be missed. The authors have developed a method for the detection of microcalcification clusters in digitized mammogram film images. This is a multi-step process consisting of wavelet enhancement of objects occurring at scales characteristic of microcalcifications, local adaptive thresholding of the enhanced image and false-positive object suppression. Results from the application of these methods to test images resulted in a true-positive microcalcification cluster detection rate of approximately 94%. The total false-positive rate was 0.21 false-positives per true-positive microcalcification cluster detection.

  • Chitosan inhibits gap junction formation and contraction of an in vitro wound model

    Wound healing is a process tightly regulated by interactions between cells, cytokines and the extra-cellular matrix. Wound contraction is an important stage in the healing response, mediated by mechanical forces exerted in the matrix by myo-fibroblasts. Chitosan, a polymer of n-acetyl glucosamine, was examined for its wound contraction inhibition effects. Three dimensional collagen gels populated with human dermal fibroblasts (HDFs) were used as wound contraction models. Contraction was measured by surface planimetry. Collagen control gels contracted 87.8/spl plusmn/2.7% (mean/spl plusmn/SD) of their initial surface area whereas collagen-chitosan (3:1) blends contracted only 36.8/spl plusmn/11%. Since wound contraction is mediated by myo- fibroblast transformation, the effect of chitosan on myo-fibroblast transformation was studied. Such transformations are characterized by the formation of gap junctions in fibroblasts. Gap junction formation was measured by a dye transfer assay. The efficiency of gap junction formation was less in fibroblasts plated on collagen-chitosan surfaces (18.7/spl plusmn/5%) when compared to collagen control surfaces (79.1/spl plusmn/8.4%). These data support the hypothesis that chitosan inhibits contraction of a wound model due to the inhibition of gap junction formation and hence the transformation of resting fibroblasts into myo-fibroblasts.

  • Segmentation of muscle fibre images using Voronoi diagrams and active contour models

    The segmentation of a complex scene, such as a sample of muscle fibre types, is notoriously difficult and in most published studies on quantitative muscle fibre analysis it was performed manually. We propose a semi-automatic segmentation method which gives good results, similar to those obtained by manual segmentation, but significantly reduces the time necessary for user interaction. Instead of manually tracing each fibre boundary we build a Voronoi diagram based on the set of points which represent the muscle fibre centroids. The edge of each Voronoi polygon is used as the initial position of a snake which is reshaped by an energy minimization process. The final position and shape of snakes closely resemble actual fiber boundaries.

  • Effects of ocular dimensions on IOP-related stress within the optic nerve head and posterior scleral shell

    In glaucoma, retinal axons are damaged as they pass through the connective tissue beams (the lamina cribrosa) which span the scleral canal. We created a set of idealized finite element models (FEMs) of the posterior scleral shell of the human eye to study stresses within the lamina cribrosa and surrounding sclera. These models incorporate a range of human dimensions for scleral wall thickness (SWT), axial length (AL), and size and shape of the scleral canal. Stresses within the laminar tissues of circular canals ranged from 48/spl times/IOP (intraocular pressure) to 163/spl times/ IOP. In regions where laminar tissues inserted into the surrounding scleral shell, stresses were highest on the anterior (inner) side of the laminar beams. For elliptically shaped canals, the ratio of vertical to horizontal diameters had an effect on the maximum laminar stress and maximum stress at the insertion zones, and on the distance from the canal where the sclera withstands increased stresses. Decreasing SWT led to significant increases in laminar, insertion zone, and peripapillary scleral stress. Changes in AL of the hemisphere had little effect on stresses within the tissues.

  • Nd-Yag laser in surgical treatment 1st type of kiari malformation

    For climination of a compression of a fulcrum of a brain, regeneration of circulation of medullispinal fluid at a level of the large occipital foramen, 72 patient with malformation Chiari I, the surgical intervention with use of microsurgical engineering and Nd-YAG laser is executed: reconstruction of the large occipital tank. All patients easily tolerated operations with use of the laser. At all patients positive neurologic dynamics is marked.

  • Anti-inflammatory Activity of Salvianic acid A through the Inhibition of Nuclear Factor-kappaB Activation in Peritoneal Macrophage

    In the present study, we examined the anti-inflammatory properties of Salvianic acid A (SAA) in peritoneal macrophage induced by lipopolysaccharide (LPS). SAA inhibited the production of nitric oxide (NO), tumor necrosis factor-alpha (TNF-alpha) and interleukin-6 (IL-6) in LPS-induced peritoneal macrophages and blocked protein expressions of inducible nitric oxide synthase (iNOS) and matrix metalloproteinase-9 (MMP-9). In addition, the LPS-induced nuclear factor-kappa B (NF-kappaB) activation was suppressed by SAA treatment.

  • Mechanical manipulation of human osteoblast and chondrocyte cells with 'optical tweezers'

    The single beam optical gradient trap, known less formally as optical tweezers, uses a single beam of laser light to noninvasively manipulate microscopic particles. In this study, optical tweezers were used to apply force to single human bone and cartilage derived cells in vitro. Effects of various forces applied were monitored by observing intracellular calcium fluctuation during application. In all cell types, human and rat bone derived osteoblasts and human chondrocytes, an increase in fluorescent intensity of calcium indicating fluo-3 was observed within seconds in response to force applied with the optical tweezers, suggesting a rise in [Ca/sup 2+/]i. The greatest response was observed in the human derived osteoblasts and a minimal responses recorded in the dedifferentiated chondrocytes in low density culture and rat derived osteoblasts. Force applied to different regions of cells identified variations in responses with the greatest response observed when the force was transmitted through the body of the cell. This preliminary study highlights a variation in calcium response to a force applied via optical tweezers on individual connective tissue cells. These results suggest a possible role for optical tweezers as a method for application of mechanical strain without additional fluid flow on single cells in culture. This technique will assist one in modelling the mechanical environment in vitro to enable one to identify mechanical effects in connective tissue cell types that are important when designing artificial materials for tissue repair.

  • A taxonomy for nailfold capillaries based on morphology

    Skin capillaries may be imaged using video-microscopy for the purpose of studying blood micro-circulation in patients with diabetes and various connective tissue diseases. Nailfold capillaries have been classified according to a taxonomy based on the following descriptive classes: cuticulis, open, tortuous, crossed, bushy and bizarre. They may be modified in disease and have an anomalous width (enlarged, giant) or length (elongated). An automated software system has been produced to classify capillaries and has achieved more objective and consistent results than a panel of clinicians.

  • Rheological properties of lung parenchyma: relationship to structure of collagen and elastin fiber networks

    The authors investigated the relationship between the structure of the connective tissue and the mechanical properties in parenchymal strips from guinea pig lungs. They assessed the storage and loss moduli using pseudorandom strain oscillations for frequencies from 0.07 to 2.4 Hz at mean static strains from 0 to 30%. To separately test how the components of the connective tissue matrix contribute to macroscopic tissue rheology, elastin or collagen fibers were labeled with fluorescent antibodies and manually stretched to the same macroscopic strains as the dynamic measurements under an inverted fluorescent microscope. About 10 images of both collagen and elastin fibers were taken at each strain level. The fibers form a continuous network of hexagons at low strains and ellipsoids at higher strains. The authors characterized deformation of the network by measuring the mean aspect ratio of the ellipsoids for both collagen and elastin (Ar,c and Ar,c respectively). Ar,e increased with increased strain in a linear fashion whereas Ar,c increased and then showed a plateau for higher strains. The heterogeneity of the fiber network decreased with increasing strain. There was a good correlation between Ar,c and the storage moduli. The correlation between Ar,c and the storage and loss moduli was only good for low strains, indicating the role collagen plays in limiting tissue deformation.



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