Coagulation

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{{Dablink|This article is about blood clotting. For other meanings see Coagulation (disambiguation). Coagulation is a complex process by which blood forms clots. (Wikipedia.org)






Conferences related to Coagulation

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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 Conference on Systems, Man, and Cybernetics (SMC)

The 2020 IEEE International Conference on Systems, Man, and Cybernetics (SMC 2020) will be held in Metro Toronto Convention Centre (MTCC), Toronto, Ontario, Canada. SMC 2020 is the flagship conference of the IEEE Systems, Man, and Cybernetics Society. It provides an international forum for researchers and practitioners to report most recent innovations and developments, summarize state-of-the-art, and exchange ideas and advances in all aspects of systems science and engineering, human machine systems, and cybernetics. Advances in these fields have increasing importance in the creation of intelligent environments involving technologies interacting with humans to provide an enriching experience and thereby improve quality of life. Papers related to the conference theme are solicited, including theories, methodologies, and emerging applications. Contributions to theory and practice, including but not limited to the following technical areas, are invited.


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


2019 IEEE International Ultrasonics Symposium (IUS)

The conference covers all aspects of the technology associated with ultrasound generation and detection and their applications.


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Periodicals related to Coagulation

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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.


Applied Superconductivity, IEEE Transactions on

Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission


Biomedical Circuits and Systems, IEEE Transactions on

The Transactions on Biomedical Circuits and Systems addresses areas at the crossroads of Circuits and Systems and Life Sciences. The main emphasis is on microelectronic issues in a wide range of applications found in life sciences, physical sciences and engineering. The primary goal of the journal is to bridge the unique scientific and technical activities of the Circuits and Systems ...


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.


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.


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Most published Xplore authors for Coagulation

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Xplore Articles related to Coagulation

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Model updating of air purification half time under complex electric fields

2011 International Conference on Consumer Electronics, Communications and Networks (CECNet), 2011

The air is purified under high voltage and high frequency complex electric fields. The results show that the half time T<sub>H</sub> will drop while the initial concentration N<sub>0</sub> of the aerosol particles reduces indoor, under the joint action of high voltage and high frequency complex electric fields and the filter. The half time T<sub>H</sub> is reduced when they work together. ...


Isolated electrocautery device eliminates electrical interference and surgical burns

2014 40th Annual Northeast Bioengineering Conference (NEBEC), 2014

In the 51 million invasive surgeries performed annually in the United States, electrocauterization devices are utilized to coagulate blood and reduce bleeding. Today the gold standard for these devices passes high radio frequency currents through the body, generating high heat energy to dehydrate and vaporize cells. This technique presents risks of electrocution and severe burns to the patient, as well ...


Biological mechanisms of acoustically-induced hemostasis

1999 IEEE Ultrasonics Symposium. Proceedings. International Symposium (Cat. No.99CH37027), 1999

Several mechanisms are postulated to be responsible for acoustically-induced hemostasis. Both mechanical and thermal aspects of ultrasound energy are thought to play a role. Thermal effects may be important when tissue shrinkage is necessary to close a bleeding site. A moderate temperature rise may also accelerate clotting when hypothermia and coagulopathy is present. Tissue welding via collagen restructuring may be ...


Poly Ferric Silicate Sulphate (PFSiS): Characterization, Coagulation Behavior and Applications in Oily Wastewater Treatment

2009 3rd International Conference on Bioinformatics and Biomedical Engineering, 2009

A new kind of polymer inorganic coagulant-PFSiS (Poly Ferric Silicate Sulphate) coagulants, at different Fe/Si molar ratios and <i>B</i> values (<i>B</i>=OH/Fe) were prepared. Then, the turbidity removal efficiency of PFSiS in treating kaolin suspension was investigated. The results showed that turbidity was removed highly by using PFSiS under the certain conditions. Moreover, FTIR analysis indicated that Si participated hydrolytic process ...


Localization control to enhance sensisitivity for small coagulated area using optimal modulartion frequency of radiation force

2013 IEEE International Ultrasonics Symposium (IUS), 2013

High intensity focused ultrasound (HIFU) treatment is one minimally invasive treatment method for cancer. Visualizing the internal treatment area of a body during HIFU treatment is required in order to achieve appropriate beam positioning and HIFU dosage. The objective of this work is to develop an ultrasound monitoring system for thermally induced coagulation. Localized motion imaging (LMI) is a monitoring ...


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Educational Resources on Coagulation

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IEEE.tv Videos

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IEEE-USA E-Books

  • Model updating of air purification half time under complex electric fields

    The air is purified under high voltage and high frequency complex electric fields. The results show that the half time T<sub>H</sub> will drop while the initial concentration N<sub>0</sub> of the aerosol particles reduces indoor, under the joint action of high voltage and high frequency complex electric fields and the filter. The half time T<sub>H</sub> is reduced when they work together. But there is a obviously delay between the test value and the theoretical value of the half time. The error of experimental results is analyzed. Use exchange efficiency to modify the half time. The error is reduced by more than ten percent by comparison of unmodified model. The modification of the model is reasonable.

  • Isolated electrocautery device eliminates electrical interference and surgical burns

    In the 51 million invasive surgeries performed annually in the United States, electrocauterization devices are utilized to coagulate blood and reduce bleeding. Today the gold standard for these devices passes high radio frequency currents through the body, generating high heat energy to dehydrate and vaporize cells. This technique presents risks of electrocution and severe burns to the patient, as well as RF interference with personal care devices and critical care monitoring systems. A new device has been created as a safer and more efficacious electrocautery alternative that utilizes heat powered by direct current isolated from the body, ultimately eliminating noise complications and preventing electrocution while still minimizing blood loss.

  • Biological mechanisms of acoustically-induced hemostasis

    Several mechanisms are postulated to be responsible for acoustically-induced hemostasis. Both mechanical and thermal aspects of ultrasound energy are thought to play a role. Thermal effects may be important when tissue shrinkage is necessary to close a bleeding site. A moderate temperature rise may also accelerate clotting when hypothermia and coagulopathy is present. Tissue welding via collagen restructuring may be promoted via a thermal effect. The mechanical effects of streaming and radiation pressure may assist in stopping the flow of blood out of a wound and, if directed properly, may cause insertion of blood vessel wall material into a breached region to plug the hole, and aid the natural clotting mechanism. Streaming may provide shearing forces on platelets, facilitating their activation for subsequent aggregation and adhesion to the vessel wall. Cavitation may produce tissue disruption that exposes collagen and tissue factors to platelets thus assisting in triggering clotting. These mechanisms are discussed, and supportive evidence given.

  • Poly Ferric Silicate Sulphate (PFSiS): Characterization, Coagulation Behavior and Applications in Oily Wastewater Treatment

    A new kind of polymer inorganic coagulant-PFSiS (Poly Ferric Silicate Sulphate) coagulants, at different Fe/Si molar ratios and <i>B</i> values (<i>B</i>=OH/Fe) were prepared. Then, the turbidity removal efficiency of PFSiS in treating kaolin suspension was investigated. The results showed that turbidity was removed highly by using PFSiS under the certain conditions. Moreover, FTIR analysis indicated that Si participated hydrolytic process of Fe(III). Oil and COD removal efficiency of PFSiS in treating oily wastewater were also evaluated. Under the optimum conditions, oil removal efficiency in the range of 95-97% and more than 60% of COD was removed. Additionally, the PFSiS coagulants exhibited a better coagulation performance than polymer inorganic coagulant, i.e. PFS (Poly Ferric Sulphate).

  • Localization control to enhance sensisitivity for small coagulated area using optimal modulartion frequency of radiation force

    High intensity focused ultrasound (HIFU) treatment is one minimally invasive treatment method for cancer. Visualizing the internal treatment area of a body during HIFU treatment is required in order to achieve appropriate beam positioning and HIFU dosage. The objective of this work is to develop an ultrasound monitoring system for thermally induced coagulation. Localized motion imaging (LMI) is a monitoring method used to detect a localized mechanical response that is dependent on changes in tissue stiffness caused by thermal coagulation. In LMI, amplitude modulated (AM) HIFU causes oscillation of tissues in the HIFU focal area. The elastic modulus at a coagulated area increases and can be detected as an area with decreased oscillation amplitude., Localized control of the oscillation by changing the AM frequency was conducted to increase the detection sensitivity for small coagulated areas in porcine liver. 2 and 5 MHz transducers were employed for HIFU and imaging, respectively. The AM frequency was changed in the range from 34 to 168 Hz. The acoustic intensity of HIFU was 2.0 kW/cm2 at the focus and the exposure time was 45 s. The decrease in the amplitude of tissue oscillation at the focal point was detected within 5-10 s of HIFU exposure at the highest AM frequency. The high AM frequency is suitable for the detection of small coagulation areas or areas of initial coagulation and the small AM frequency is suitable for the size estimation of large coagulation areas.

  • Image-guided thermal ablation with radiofrequency: new approaches and clinical experience

    Radiofrequency (RF) tumor ablation is a reliable method for creating thermally induced coagulation necrosis using either percutaneous, image-guidance or direct surgical application of thin electrodes into treated tissues. The technical considerations for RF procedures are reviewed and considerations necessary for optimizing RF ablation are discussed. Strategies to increase the extent of induced coagulation necrosis including: multiprobe and bipolar arrays, saline infusion, and internally-cooled RF electrodes; with or without pulsed-RF or cluster technique are presented. The development and laboratory results for many of these techniques and potential biophysical limitations to RF induced coagulation, such as perfusion mediated tissue cooling (vascular flow) are likewise discussed. Additionally, initial clinical results for liver, bone and other tumors are discussed.

  • A classification system for monitoring thermal therapies

    None

  • Optimization Experiment of Coagulation Mixing Energy Consumption Allocation Program

    This text has proposed the optimization method to coagulation technological design. Receive the optimum coagulant, optimum dosage and optimum design flocculating time through the test of the beaker, and seek the best energy consumption allocation decision in multifactor at different levels by orthogonal experiments. This method can offer the comparatively scientific design data for flocculation tank design in water plants.

  • Experimental studies of the sensitivity of particle size distribution in emulsion co-polymerization

    The control of particle size distribution (PSD) in semi-batch emulsion polymerization necessitates the identification of the best manipulative variables, with a profound influence on the PSD. The candidate variables include the feed rate of the monomers, surfactants and initiators. The monomer feed predominantly affects the growth rate, but could also influence nucleation rates. The surfactant feed influences the rates of nucleation and coagulation. The initiator feed could influence the rates of nucleation and growth. This paper describes the effect of these manipulative variables on the evolution of PSD, as studied in an experimental reactor system.

  • The effect of aerosol coagulation under complex electric fields

    A mathematical and physical model of the aerosol coagulation under the joint action of high voltage and high frequency complex electric fields is developed and solution of the half time TH is obtained. At the same time, a set of experimental device is built to verify the theoretical model. The results show that the half time TH will drop while the initial concentration of the aerosol particles reduce in air conditioning room and the air change rate required for concentration halved will reduce with increasing initial concentration. Compared with the theoretical filter model, the half time TH is reduced nearly half when they work together. The time of indoor air purification of air purification of air conditioning is greatly shortened.



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