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Microbubbles are bubbles smaller than one hundredth of a millimetre in diameter, but larger than one micrometre. They have widespread application in industry
Microbubble
Medical imaging technique
contrast media are gas-filled microbubbles that are administered intravenously to the systemic circulation. Microbubbles have a high degree of echogenicity
Contrast-enhanced_ultrasound
Ability to bounce an echo
gas-filled microbubble contrast agent to the systemic circulation, with the procedure being called contrast-enhanced ultrasound. This is because microbubbles have
Echogenicity
Technology to improve oxidation efficiency of ozone
emerging from the liquid phase. 2. Collapse of microbubbles The growth and the collapse of microbubbles in the solution can be distinct as cavitation,
Ozone_micro-nanobubbles
Advanced ultrasound imaging technique
ultrasound technique used for animal and human imaging. By localizing microbubbles, ULM overcomes the physical limit of diffraction, achieving sub-wavelength
Ultrasound Localization Microscopy
Ultrasound_Localization_Microscopy
Natural phenomenon that hot water freezes faster than cold
water with respect to convection currents. Microbubble-induced heat transfer: Boiling may induce microbubbles in water that remain stably suspended as the
Mpemba_effect
Technique in molecular biology
transfection or transformation. Sonoporation employs the acoustic cavitation of microbubbles to enhance delivery of these large molecules. The exact mechanism of
Sonoporation
Medical technique
can be adhered to the surface of microbubbles, encapsulated inside the microbubble, or embedded in the microbubble membrane. Ligands can also be conjugated
Focused ultrasound for intracranial drug delivery
Focused_ultrasound_for_intracranial_drug_delivery
Merging of droplets, bubbles or particles
Coalescence of ultrasound contrast agent microbubbles is studied to prevent embolies or to block tumour vessels. Microbubble coalescence has been studied with
Coalescence_(physics)
Indian-American cardiologist
not assess myocardial perfusion, he became interested in the use of microbubbles to determine myocardial perfusion with echocardiography, a technique
Sanjiv_Kaul
Removal of pollution from soil, groundwater, etc
sediments with self collapsing air microbubbles have been recently explored as a chemical free technology. Air microbubbles generated in water without adding
Environmental_remediation
Chemical compound
microbubble ultrasound contrast agents; and occlusion therapy via the conversion of nanometer liquid droplets into micrometer sized gas microbubbles (acoustic
Perfluoropentane
Chemical compound
the gas component for newer generation microbubble ultrasound contrast agents. Sonazoid is one such microbubble formulation developed by Amersham Health
Perfluorobutane
(DAF). Microflotation is a water treatment technology operating with microbubbles of 10–80 μm in size instead of 80-300 μm like conventional DAF units
Microflotation
Ultrasound imaging method
Acoustic angiography is performed by first injecting specially designed microbubbles with a low resonant frequency into the vessels. Next, a low-frequency
Acoustic_angiography
used synergistically with other therapeutic methods such as drug-loaded microbubbles, nanoparticles, exosomes, liposomes, and genes for improved efficacy
Sonodynamic_therapy
Frequency change of a wave for observer relative to its source
of the cardiac output. Contrast-enhanced ultrasound using gas-filled microbubble contrast media can be used to improve velocity or other flow-related
Doppler_effect
Mathematical model of tissue inert gas uptake and release with pressure change
dives. ZH-L 8 ADT MB: A version of the ZHL-8 ADT claimed to suppress MicroBubble formation. ZH-L 8 ADT MB PDIS: Profile-Determined Intermediate Stops
Bühlmann decompression algorithm
Bühlmann_decompression_algorithm
Medical intervention
molecular imaging) uses targeted microbubbles originally designed by Dr Alexander Klibanov in 1997; such targeted microbubbles specifically bind or adhere
Medical_ultrasound
Substance used in medical imaging
contrast agent to relax quickly, enhancing the quality of the MRI scan. Microbubbles are used as contrast agents for sonographic examination, specifically
Contrast_agent
Interdisciplinary science
self-assembly routes for the formation of lipid stabilized oil-shelled microbubbles'". University of Leeds. doi:10.5518/153. Chokkalingam V, Tel J, Wimmers
Microfluidics
Pressure surge when a fluid is forced to stop or change direction suddenly
Wamel A, Lancée CT, de Jong N (2004). "Ultrasound-induced encapsulated microbubble phenomena". Ultrasound in Medicine & Biology. 30 (6): 827–840. doi:10
Hydraulic_shock
Professor of Biomaterials
Oxford. Stride engineers drug delivery systems using carefully designed microbubbles and studies how they can be used in diagnostics. Stride completed her
Eleanor_Stride
Russian-American biomedical engineer
ultrasound and medical imaging techniques. Dr. Klibanov designed targeted microbubbles in 1997 that launched a new medical imaging modality, named molecular
Alexander Klibanov (biologist)
Alexander_Klibanov_(biologist)
Passing of drugs through the blood brain-barrier
localized areas. This combined with the microbubbles allows for a very specific area of diffusion for the microbubbles, because they can only diffuse where
Drug_delivery_to_the_brain
Italian healthcare company
Computed Tomography (CT), and Magnetic Resonance Imaging (MRI), as well as microbubbles for Contrast Enhanced Ultrasound (CEUS), and Molecular Imaging through
Bracco_(company)
Topics referred to by the same term
"I'm Forever Blowing Bubbles", a popular American song written in 1918 Microbubble, a very small bubble Speech balloon, or speech bubble, a graphic convention
Bubble
Disorder caused by dissolved gases forming bubbles in tissues
that raise chest pressure. In diving, this can allow venous blood with microbubbles of inert gas to bypass the lungs, where the bubbles would otherwise be
Decompression_sickness
Diagnostic technique
specific cells and biomarkers under flow combining ultrasound with lasers, microbubbles, and imaging techniques. Current diagnostic techniques for detecting
Focused ultrasound-mediated diagnostics
Focused_ultrasound-mediated_diagnostics
Human disease affecting newborns
lung maturity tests based on gastric aspirates (GAS); for example, the microbubble stability test and lamellar body counts (LBC) as well as a large randomised
Infant respiratory distress syndrome
Infant_respiratory_distress_syndrome
Sub-micrometer gas-containing cavity, or bubble, in aqueous solutions
mitigation and the removal of biofilms from solid surfaces. The collapse of microbubbles in the surrounding nanobubble suspension can locally generate hydroxyl
Nanobubble
Type of deterioration of film stock
Hu; Huiping Xing; Xiaolian Chao (October 2, 2020). "The treatment of microbubble disease of 20th century cellulose acetate microfilm: application of ethyl
Vinegar_syndrome
Enlargement of the liver
(2010-07-01). "Evaluation of gallbladder and biliary duct disease using microbubble contrast-enhanced ultrasound". The British Journal of Radiology. 83 (991):
Hepatomegaly
Chemical compound and greenhouse gas
imaging. Sulfur hexafluoride microbubbles are administered in solution through injection into a peripheral vein. These microbubbles enhance the visibility of
Sulfur_hexafluoride
Deep optics imaging technique
ultrasound-modulated fluorescence based on a fluorophore-quencher-labeled microbubble system which can control the fluorescent emission inside the ultrasound-focal
Ultrasound-switchable fluorescence imaging
Ultrasound-switchable_fluorescence_imaging
Atmospheric ghost lights
termed "microlightning", can occur between rising methane-containing microbubbles in water. These discharges, arising from strong electric fields at gas-liquid
Will-o'-the-wisp
Medical imaging technique of the heart
diastolic dysfunction). Contrast-enhanced ultrasound-using gas-filled microbubble contrast media can be used to improve velocity or other flow-related
Doppler_echocardiography
Documentary TV series and book by James Burke
small, we look at microscopic germs, polarised light, sugar, coal, iron, microbubbles, the spectroscope, night vision, beriberi resulting from polished rice
Connections (British TV series)
Connections_(British_TV_series)
Chemical compound
may compose the gas cores of microbubble contrast agents used in contrast-enhanced ultrasound. Octafluoropropane microbubbles reflect sound waves well and
Octafluoropropane
Pollution of land by human-made chemicals or other alteration
Remediation of oil contaminated sediments with self-collapsing air microbubbles. Surfactant leaching. Interfacial solar evaporation to extract heavy
Soil_contamination
Indian professor
droplets along arbitrary preferential directions, generating controlled microbubbles on portable spinning-disc, reversing thermally-driven spontaneous migration
Suman_Chakraborty
Ultrasound imaging of the movement of tissues and body fluids using the Doppler effect
diastolic dysfunction). Contrast-enhanced ultrasound using gas-filled microbubble contrast media can be used to improve velocity or other flow-related
Doppler_ultrasonography
Hydroponic method of plant production
population of bubbles. This leads to a greater rate of diffusion, and thus “microbubble” stones, for example, are far more efficient than casual aquarium stones
Deep_water_culture
Medical imaging technique of the heart
technique that has been developed over the past three decades that uses microbubbles, also called ultrasound-enhancing agents (UEA) to improve cardiac imaging
Echocardiography
Drug delivery through the skin
therapy can be improved by ultrasound targeted microbubble destruction where a gene-loaded microbubble can be burst to release its contents. Research
Sonophoresis
Decompression sickness caused by breath-hold diving
"Taravana syndrome and posterior reversible encephalopathy syndrome: a microbubble hypothesis for neurological accidents in breath-hold divers". Front Physiol
Taravana
Imaging molecules within living patients
imaging used clinically today is to inject a contrast agent (e.g., a microbubble, metal ion, or radioactive isotope) into a patient's bloodstream and
Molecular_imaging
Medical technology
Bekeredjian R, Winter G, Coester C (20 November 2000). "Polyplex-conjugated microbubbles for enhanced ultrasound targeted gene therapy" (PDF). Georgia World Congress
Gene_therapy
shRNA-modified bone mesenchymal stem cells through ultrasound-targeted microbubble destruction protects the heart from acute myocardial infarction". Theranostics
Clinical uses of mesenchymal stem cells
Clinical_uses_of_mesenchymal_stem_cells
American engineer
use of microbubbles injected with a therapeutic agent as a treatment for breast cancer, using ultrasound to selectively destroy the microbubbles (through
Katherine_Ferrara
Force from blood vessels that affects blood flow
Measurement of real pulsatile blood flow using X-ray PIV technique with CO2 microbubbles, Hanwook Park, Eunseop Yeom, Seung-Jun Seo, Jae-Hong Lim & Sang-Joon
Vascular_resistance
Mechanism for creation of microbubbles
Rostain, J.C.; Gardette, B. (2009). "The pathway to drive decompression microbubbles from the tissues to the blood and the lymphatic system as a part of this
Tribonucleation
Semipermeable capillary interface between blood and the brain
barrier disruption induced by focused ultrasound and circulating preformed microbubbles appears to be characterized by the mechanical index". Ultrasound in Medicine
Blood–brain_barrier
Whales or dolphins getting stuck on a beach
echo is inaudible to the whales. Stirred up sand as well as long-lived microbubbles formed by rain may further exacerbate the effect. A 2017 study by scientists
Cetacean_stranding
Mechanical engineer and an academic
behavior of relatively slow thermal bubbles, which have implications on microbubble-based MEMS devices as well as boiling heat transfer. Both fluid-dynamic
Ho-Young_Kim
indistinguishable, but techniques have been employed using a combination of injected microbubbles as tracers in the hemolymph and synchrotron x-ray contrast imaging to
Arachnid_locomotion
Topics referred to by the same term
Definity PBX Perflutren, with the trade name Definity, is a type of microbubble contrast agent Definity Inc., financial company and owns several insurance
Definity
Non-invasive therapeutic technique
acoustic intensities, cavitation (microbubbles forming and interacting with the ultrasound field) can occur. Microbubbles produced in the field oscillate
Focused_ultrasound
Medical intervention
plausible that the treatment relies on non-thermal phenomena, such as microbubbles and microjets induced by cavitation, acoustic streaming, and mechanical
Low-intensity pulsed ultrasound
Low-intensity_pulsed_ultrasound
varying-permeability model, gas bubble nuclei are simply stable microbubbles. The stability of these microbubbles is due to elastic skins or membranes consisting of
History of decompression research and development
History_of_decompression_research_and_development
Composite structure formed by phospholipids
cosmetics to the skin. Liposomes are also used as outer shells of some microbubble contrast agents used in contrast-enhanced ultrasound. Until recently
Liposome
Large-scale methods to reflect sunlight and cool Earth
surface-based albedo modification as "increase ocean albedo by creating microbubbles;... paint the roof of buildings white...; increase albedo of agriculture
Solar_radiation_modification
Reynolds, J.; Schutt, E.; Weers, J. (1998). "Dissolution of multicomponent microbubbles in the bloodstream: 2. Experiment". Ultrasound in Medicine & Biology
Perfluorocarbon_emulsions
Processes for treating wastewater produced as an industrial by-product
Hu, J.Y. (December 2021). "Reverse osmosis concentrate treatment by microbubble ozonation-biological activated carbon process: Organics removal performance
Industrial wastewater treatment
Industrial_wastewater_treatment
Low-pressure voids formed in liquids
of a container, by impurities in the liquid, or by small undissolved microbubbles within the liquid. It is generally accepted that hydrophobic surfaces
Cavitation
Medical procedure for pain relief
particle is immersed. Application of focused ultrasound in conjunction with microbubbles has been shown to enable non-invasive delivery of epirubicin across the
Therapeutic_ultrasound
Decompression model and algorithm based on bubble physics
Mechanical Engineers: 65–68. OCLC 232584820. Yount, D.E. (1983). "A model for microbubble fission in surfactant solutions". Journal of Colloid and Interface Science
Varying_Permeability_Model
Human cell line
leu.2403534. PMID 15457187. Ling Yong, CL; et al. (9 August 2014). "Microbubble-mediated sonoporation for highly efficient transfection of recalcitrant
Raji_cell
Process of separating populations of cells
buoyancy-activated cell sorting (BACS) is a separation technique in which microbubbles bind to cells through antibodies binding to the surface of cells. The
Cell_sorting
Replacement of a valve in the human heart
through the valve.[citation needed] Cavitation, the rapid formation of microbubbles in a fluid such as blood due to a localized drop of pressure, can lead
Artificial_heart_valve
Finely textured milk used in coffee drinks
names used for this ideal standard, such as "microfoam", "velvet milk", "microbubbles", and so forth. The decorative application of microfoam is called latte
Microfoam
Theoretical modelling of decompression physiology
modified by a layer of surface active molecules which can stabilise a microbubble at a size where surface tension on a clean bubble would cause it to collapse
Decompression_theory
American painter (born 1953)
enriched with pigments. Sometimes he stretches this mixture with so-called microbubbles, which ensure that the paint looks light. In contrast to the working
Donald_Martiny
Device to count and size particles
particles (VLPs), liposomes, exosomes, polymeric nanoparticles, and microbubbles. Hemocytometer Flow cytometry Hematology analyzer W. R. Hogg, W. Coulter;
Coulter_counter
Introduction of foreign genetic material into host cells
cell membranes assisted by ultrasound, typically in the presence of gas microbubbles. Sonoporation allows for the entry of genetic material into cells. Photoporation
Gene_delivery
Manipulation of very small objects with sound waves
Zheng, Hairong (2012-04-23). "Precise and programmable manipulation of microbubbles by two-dimensional standing surface acoustic waves". Applied Physics
Acoustic_tweezers
Pressure reduction and its effects during ascent from depth
tissue damage. If the decompression is effective, the asymptomatic venous microbubbles present after most dives are eliminated from the diver's body in the
Decompression_(diving)
Marine aquarium that displays live corals and other marine animals
introduced into a water stream creating microbubbles. Organic waste adheres to the surface of these microbubbles and is removed as it overflows at the reactor
Reef_aquarium
Spherical particle larger than nano particles but smaller than sand particles
made of, for example, polymers. A similar use is as outer shells of microbubble contrast agents used in contrast-enhanced ultrasound. Electronic paper
Microparticle
Combination of cancer diagnosis and treatment
side effects. For instance, ultrasound-based contrast media, such as microbubbles, can accumulate in hypervascularized tissues and release the active ingredient
Theranostics
Device to detect bubbles in liquid-filled tubes
If the bubbles are below the threshold it is displayed to the user as microbubble activity. When a bubble equal to or greater than the threshold is detected
Bubble_sensor
Yifan Chen; Kosmas, P.; "Measurement of the complex permittivity of microbubbles using a cavity perturbation technique for contrast enhanced ultra-wideband
Cavity_perturbation_theory
Visualization of living animals for research purposes
further increased to 3–5 μm with the injection of microbubble contrast agents. Furthermore, microbubbles can be conjugated to markers such as activated glycoprotein
Preclinical_imaging
Physiological basis for decompression theory and practice
modified by a layer of surface active molecules which can stabilise a microbubble at a size where surface tension on a clean bubble would cause it to collapse
Physiology_of_decompression
Branch of medicine dealing with the heart
(ASD & VSD). Agitated saline can be used as contrast for blood flow and microbubbles for capillary blood flow contrast. Transthoracic echocardiogram (TTE):
Outline_of_cardiology
Australian marine research vessel
below the hull), to carry scientific instruments below the layer of microbubbles created by the movement of the ship’s hull through the water. Such instrumentation
RV_Investigator
Stream of fluid projected into the surrounding medium
during ultrasound illustrates potential therapeutic applications of microbubbles". Medical Physics. 32 (12): 3707–3711. Bibcode:2005MedPh..32.3707P. doi:10
Jet_(fluid)
Type of emulsion
polymer solutions), and can also be reversible. Pickering-stabilized microbubbles may have applications as ultrasound contrast agents. Liquid marbles Pickering
Pickering_emulsion
Phenomenon in physics
The streaming flow generated due to the interaction of sound waves and microbubbles, elastic polymers, and even biological cells are examples of boundary-driven
Acoustic_streaming
Shortness of breath and low blood oxygen due to liver disease
A useful diagnostic test is contrast echocardiography. Intravenous microbubbles (> 10 micrometers in diameter) from agitated normal saline that are normally
Hepatopulmonary_syndrome
Danish pediatrician
clinical outcome of RDS. The lung maturity tests used have been the microbubble test, lamellar body counts (LBC) and measurements of lecithin-sphingomyelin
Henrik_Verder
Canadian chemist
conditions using polymers and nanomaterials. She explored the potential of microbubbles, a gas enclosed by a natural or synthetic polymer for both diagnostic
Eugenia_Kumacheva
The following is a partial list of the "E" codes for Medical Subject Headings (MeSH), as defined by the United States National Library of Medicine (NLM)
List_of_MeSH_codes_(E07)
Physiologist who worked on decompression theory
University Press. ISBN 978-0-521-30728-4. Hills, BA; James, PB (1991). "Microbubble damage to the blood-brain barrier: relevance to decompression sickness"
Brian_Andrew_Hills
Sri Lankan bioengineer and academic
Wikidata Q60455447. Eleanor Stride; Mohan Edirisinghe (2008). "Novel microbubble preparation technologies". Soft Matter. 4 (12): 2350. doi:10.1039/B809517P
Mohan_Edirisinghe
Participation of minors in recreational activity
A shallower maximum depth has been suggested to reduce the risk of microbubble formation. Bone development. Although there has been concern voiced about
Children_in_scuba_diving
Medical conditions resulting from changes in ambient pressure
cause noticeable physical injury. It is possible that all divers have microbubbles in their blood to some extent during ascent, but that most of the time
Dysbarism
Not a linear measure of depth. Subsection: Top, Ma, Me, Mi, Mo, Mu microbubbles Microscopic bubbles which are not detectable by ultrasound or Doppler
Glossary of underwater diving terminology: H–O
Glossary_of_underwater_diving_terminology:_H–O
Three-dimensional packing problem
(2015-05-20). "An experimental study of columnar crystals using monodisperse microbubbles". Colloids and Surfaces A: Physicochemical and Engineering Aspects. A
Sphere_packing_in_a_cylinder
British-born biochemist
chemotherapies, such as nucleoside analog drug in combination with ultrasound microbubble treatments, can enhance drug efficacy. In 1998 she won a Banting Research
Imogen_Coe
MICROBUBBLE
MICROBUBBLE
MICROBUBBLE
MICROBUBBLE
Boy/Male
Anglo Saxon
Son of Rolfe.
Girl/Female
Arthurian Legend
A fairy.
Boy/Male
British, English, Irish, Latin
Star of the Sea; Small; Form of Paul
Girl/Female
English
Modern abbreviation of Alicia: sweet;honest.
Girl/Female
Hindu, Indian
Goddess Sita
Girl/Female
Arabic, Muslim
Name of a Narrator of Hadith
Boy/Male
Indian
Attractive
Girl/Female
Muslim
Break of dawn
Girl/Female
Biblical
A comforter.
Boy/Male
Indian, Marathi
Sky
MICROBUBBLE
MICROBUBBLE
MICROBUBBLE
MICROBUBBLE
MICROBUBBLE