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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.


2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)

The Conference focuses on all aspects of instrumentation and measurement science andtechnology research development and applications. The list of program topics includes but isnot limited to: Measurement Science & Education, Measurement Systems, Measurement DataAcquisition, Measurements of Physical Quantities, and Measurement Applications.


2020 IEEE International Power Modulator and High Voltage Conference (IPMHVC)

This conference provides an exchange of technical topics in the fields of Solid State Modulators and Switches, Breakdown and Insulation, Compact Pulsed Power Systems, High Voltage Design, High Power Microwaves, Biological Applications, Analytical Methods and Modeling, and Accelerators.


2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII)

The world's premiere conference in MEMS sensors, actuators and integrated micro and nano systems welcomes you to attend this four-day event showcasing major technological, scientific and commercial breakthroughs in mechanical, optical, chemical and biological devices and systems using micro and nanotechnology.The major areas of activity in the development of Transducers solicited and expected at this conference include but are not limited to: Bio, Medical, Chemical, and Micro Total Analysis Systems Fabrication and Packaging Mechanical and Physical Sensors Materials and Characterization Design, Simulation and Theory Actuators Optical MEMS RF MEMS Nanotechnology Energy and Power


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


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Periodicals related to Bovine

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Antennas and Propagation, IEEE Transactions on

Experimental and theoretical advances in antennas including design and development, and in the propagation of electromagnetic waves including scattering, diffraction and interaction with continuous media; and applications pertinent to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques.


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.


Dielectrics and Electrical Insulation, IEEE Transactions on

Electrical insulation common to the design and construction of components and equipment for use in electric and electronic circuits and distribution systems at all frequencies.


Electron Device Letters, IEEE

Publishes original and significant contributions relating to the theory, design, performance and reliability of electron devices, including optoelectronic devices, nanoscale devices, solid-state devices, integrated electronic devices, energy sources, power devices, displays, sensors, electro-mechanical devices, quantum devices and electron tubes.


Electron Devices, IEEE Transactions on

Publishes original and significant contributions relating to the theory, design, performance and reliability of electron devices, including optoelectronics devices, nanoscale devices, solid-state devices, integrated electronic devices, energy sources, power devices, displays, sensors, electro-mechanical devices, quantum devices and electron tubes.


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Most published Xplore authors for Bovine

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Xplore Articles related to Bovine

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The effects of fluoride ions (F/sup -/) on the mechanical properties of bovine bone tissue with different ultrastructures

Proceedings of the IEEE 22nd Annual Northeast Bioengineering Conference, 1996

Bovine cortical bone samples were tested in tension after being treated for three days in a 2.0M NaP solution. Randomly selected bone samples were obtained from 18 month old steer, 24 month old cow and 96 month old cow. The elastic modulus (E) and ultimate tensile stress (UTS) were obtained for a control group (0.145M saline) and a fluoride group ...


Shear stress regulates endothelial NO synthase (eNOS) by the protein kinase A (PKA)-dependent mechanisms

Proceedings of the Second Joint 24th Annual Conference and the Annual Fall Meeting of the Biomedical Engineering Society] [Engineering in Medicine and Biology, 2002

Exposure of endothelial cells to shear stress stimulates NO production by phosphorylating eNOS at Ser/sup 1179/ in the phosphoinositide-3-kinase (PI3K)- and PKA-dependent mechanisms. The eNOS contains additional potential phosphorylation sites including Ser/sup 116/, Thr/sup 497/ and Ser/sup 635/. Here, we studied phosphorylation of these potential sites in response to shear stress, vascular endothelial growth factor (VEGF) and 8-Br-cAMP in bovine ...


Study on the Apoptosis Effect Induced by Isothiocyanates in Broccoli on Human Gastric Adenoma Cells (SGC-7901)

2008 2nd International Conference on Bioinformatics and Biomedical Engineering, 2008

To investigate the pro-apoptosis effect of isothiocyanates(ITCS) on human gastric adenoma cells SGC- 7901 and its mechanism. METHODS: SGC-7901 was treated with different concentrations of ITCS. MTT assay was used to evaluate the influence of ITCS on cell proliferation. Flow cytometry was used to test reactive oxygen species (ROS) levels, intracellular mitochondrial transmembrane potential (Deltapsim), and hypodiploid apoptosis peak in ...


Cytogenetic Observations on Thymidine Synchronized Bovine Lymphocytes Exposed to 7.25 GHz Microwaves

1986 IEEE MTT-S International Microwave Symposium Digest, 1986

Thymidine synchronized bovine lymphocytes were exposed in the S phase to 7.25 GHz microwaves by means of a waveguide system. The exposures were 1 hour long and the temperature rise was less than 1°C. No specific effect of microwaves was evidenced, but chromosome breaks occurred following either microwave or conventional heating. Thymidine alone was found to induce polyploidy and the ...


Adhesive block copolymers for tissue repair and drug delivery

Proceedings of the Second Joint 24th Annual Conference and the Annual Fall Meeting of the Biomedical Engineering Society] [Engineering in Medicine and Biology, 2002

Triblock copolymers are of considerable interest in drug delivery because of their self-assembly properties and their ability to form hydrogels by warming from ambient to body temperature. In this paper, we describe a route for the conjugation of (3,4-dihydroxyphenyl)-L-alanine (DOPA) to the endgroups of PEO- PPO-PEO block copolymers. DOPA is an unusual amino acid found in mussel adhesive proteins (MAPS) ...


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  • The effects of fluoride ions (F/sup -/) on the mechanical properties of bovine bone tissue with different ultrastructures

    Bovine cortical bone samples were tested in tension after being treated for three days in a 2.0M NaP solution. Randomly selected bone samples were obtained from 18 month old steer, 24 month old cow and 96 month old cow. The elastic modulus (E) and ultimate tensile stress (UTS) were obtained for a control group (0.145M saline) and a fluoride group for each age of bovine. The fluoride ion (F/sup -/) content of the bone was also measured to approximate the amount of absorption of the test conditions (0.952%). The results showed that fluoride ions induced a more pronounced effect on younger bone causing a greater overall decrease in E and UTS. The decrease in mechanical properties occurs because fluoride is thought to influence the interphasic bonding between the carbonated hydroxyapatite mineral and organic phases present in bone along with the bone mineral structure.

  • Shear stress regulates endothelial NO synthase (eNOS) by the protein kinase A (PKA)-dependent mechanisms

    Exposure of endothelial cells to shear stress stimulates NO production by phosphorylating eNOS at Ser/sup 1179/ in the phosphoinositide-3-kinase (PI3K)- and PKA-dependent mechanisms. The eNOS contains additional potential phosphorylation sites including Ser/sup 116/, Thr/sup 497/ and Ser/sup 635/. Here, we studied phosphorylation of these potential sites in response to shear stress, vascular endothelial growth factor (VEGF) and 8-Br-cAMP in bovine aortic endothelial cells (BAEC). All three stimuli induced phosphorylation of eNOS at Ser/sup 635/ that was consistently slower than that at Ser/sup 1179/. The Thr/sup 497/ was rapidly dephosphorylated by 8-Br-cAMP, but not by shear and VEGF. None of the stimuli phosphorylated the Ser/sup 116/. While shear- dependent phosphorylation of Ser/sup 635/ was not affected by PI3K inhibitors wortmannin and LY294002, it was blocked by either treating cells with a PKA inhibitor H89 or infecting with an adenoviral vector expressing PKA inhibitor (PKI). These results suggest that shear stimulates at least two independent signaling pathways regulating eNOS: one that activates a PI3K-dependent PKA pathway and the other that activates a PI3K-independent PKA pathway. In summary, these studies suggest an essential role of PKA in regulation of eNOS and endothelial cell biology in response to shear stress.

  • Study on the Apoptosis Effect Induced by Isothiocyanates in Broccoli on Human Gastric Adenoma Cells (SGC-7901)

    To investigate the pro-apoptosis effect of isothiocyanates(ITCS) on human gastric adenoma cells SGC- 7901 and its mechanism. METHODS: SGC-7901 was treated with different concentrations of ITCS. MTT assay was used to evaluate the influence of ITCS on cell proliferation. Flow cytometry was used to test reactive oxygen species (ROS) levels, intracellular mitochondrial transmembrane potential (Deltapsim), and hypodiploid apoptosis peak in both SGC-7901. RESULTS: ITCS obviously inhibited proliferation of SGC-7901 cells. When treated with 0, 15, 30, 60, 120, 240 mug /mL of ITCS for 24 h, intracellular ROS levels of SGC-7901 were (1.6 plusmn 0.5)%, (2.0 plusmn 0.3)%, (5.5 plusmn0.4)%, (25.8 plusmn1.4)%, (83.7 plusmn 1.2)% and (97.4 plusmn 4.2)%, respectively; and Deltapsim were (98.6 plusmn4.3)%, (98.4 plusmn 4.8)%, (95.7 plusmn 5.4)%, (92.6 plusmn 4.0)%, (74.0 plusmn 5.6)% and (63.7 plusmn4.0)%, respectively; when treated with 0, 60, 120, 240 mug /mL of ITCS for 48 h, cell apoptotic rates of SGC-7901 were (4.3 plusmn1.6)%, (9.1 plusmn 3.8)%, (20.1 plusmn 4.2)% and (55.4 plusmn 4.9)%, respectively. CONCLUSIONS: ITCS generates ROS in both SGC-7901, which causes mitochondrial membrane permeabilization and Deltapsim decrease, therefore, leads to apoptosis.

  • Cytogenetic Observations on Thymidine Synchronized Bovine Lymphocytes Exposed to 7.25 GHz Microwaves

    Thymidine synchronized bovine lymphocytes were exposed in the S phase to 7.25 GHz microwaves by means of a waveguide system. The exposures were 1 hour long and the temperature rise was less than 1°C. No specific effect of microwaves was evidenced, but chromosome breaks occurred following either microwave or conventional heating. Thymidine alone was found to induce polyploidy and the 1°C heating seems to reduce this effect.

  • Adhesive block copolymers for tissue repair and drug delivery

    Triblock copolymers are of considerable interest in drug delivery because of their self-assembly properties and their ability to form hydrogels by warming from ambient to body temperature. In this paper, we describe a route for the conjugation of (3,4-dihydroxyphenyl)-L-alanine (DOPA) to the endgroups of PEO- PPO-PEO block copolymers. DOPA is an unusual amino acid found in mussel adhesive proteins (MAPS) that is believed to lend adhesive characteristics to these proteins. DOPA-containing proteins have been found to be mucoadhesive, so we surmised that incorporation of DOPA into block copolymers could improve the mucoadhesivity of these hydrogels. DOPA-modified Pluronics were freely soluble in cold water, and the copolymers aggregated into micelles at characteristic temperatures that depended on block copolymer composition and concentration in solution. Above a block copolymer concentration of approximately 20 wt%, solutions of DOPA-modified PEO-PPO-PEO block copolymers exhibited sol-gel transitions upon heating, and the characteristic temperature could be tailored between /spl sim/23/spl deg/C and 46/spl deg/C by changing the composition, concentration and molecular weight of the block copolymer. Rheological measurement of the bioadhesive interaction between DOPA-modified Pluronic and bovine submaxillary mucin indicated that DOPA-modified Pluronic was significantly more bioadhesive than unmodified Pluronic.

  • Endothelial cell micro-motion monitored by ECIS during monocytes application

    We measured the endothelial cell micro-motion by the Electric Cell-substrate Impedance Sensing (ECIS) system during monocyte application. Application of monocytes to the confluent bovine aortic endothelial cell (BAEC) cultured on the electrode caused a slight decrease in the measured electrical resistance compared with the static control BAEC. This means that gaps between cells and/or between cells and substrates became wider. These results imply that the focal adhesion complex and cytoskeletal structure of BAEC change dynamically during monocyte application.

  • Constitutive modeling of bovine tendon

    In this study, tendons that holds skeletal and muscular system together are investigated with the help of hyperelastic material models and results of different material models are interpreted with the help of computer aided engineering programs. Axial forces are applied to bovine tendons in order to obtain stress-strain curve while doing constitutive modelling. After that, curve fitting methods are used to get the Mooney-Rivlin and Ogden constants. Constitutive model is formed by finite element model with the help of computer aided engineering programs and results of Mooney-Rivlin and Ogden models are examined.

  • Investigating the adsorption mechanism of Bovine Serum Albumin on crystal surface by steering atomic force microscopy

    The protein adsorption is a crucial but complex phenomenon in many applications, like biosensors, biomaterials. The amount, orientation and biological activity of adsorbed proteins are heavily dependent upon the structure of protein, like widely-applied Bovine Serum Albumin (BSA), and the properties of the substrate. At some extent, to explore the physicochemical properties and dynamics interaction process between protein / multi-proteins with crystal/biomaterial surface, it has been presented that how to dig out the potential ability of the apparatus and other methods/tools for removing the block of studying interactions and measuring these complex interactions with crystal environments efficiently. In our recent works, it was demonstrated how to detect the BSA under aqueous conditions by steering the AFM tip in contact mode to sample more abundant topographical clues. The results indicated that this approach should be available for exploring more complex interaction system and acquiring more useful interaction information without altering the current apparatus platforms.

  • Evaluation of collagen-elastin hybrid tissue engineered vascular constructs

    Collagen-based tissue engineered replacements for small diameter blood vessels have been investigated for many years but typically lack the elasticity and tensile strength necessary for implantation. In this study, we have incorporated elastin with an organized structural architecture into tubular cell-seeded collagen constructs using two different reconstituted collagen sources. We evaluated the mechanical, chemical, and biological properties of these collagen-only and collagen-elastin hybrid grafts. Gel compaction quantification and live/dead staining revealed that cells in all matrix combinations were viable and able to rapidly compact their surrounding matrix. Compared to controls, uniaxial tensile testing revealed an increase in ultimate tensile strength and linear modulus for elastin hybrid constructs and for constructs formed with bovine dermal type I collagen. Histological assessment showed the unique composite structure of the elastin hybrid construct as well as the cell and extracellular matrix organization in all constructs studied. A discussion of these findings and their importance to vascular tissue engineering is discussed.

  • Ultrasonic Backscatter from Bovine Tissues

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