Sentences with phrase «ablation by»

It is further argued that the transition of vertical circulation patterns is in response to adjustments to geostrophic imbalance — an adjustment time scale of 6 — 9 h. Although unproven, we suggest that antecedent rainfall over the alkali desert 2 weeks prior to the event was instrumental in lowering the bulk density of sediments and thereby improved the chances for dust ablation by the atmospheric disturbance.

Figure 1: Paraquat induces senescence in astrocytes in mice; ablation by «suicide gene.»

Abrogation of local cancer recurrence after radiofrequency ablation by dendritic cell - based hyperthermic tumor vaccine.

The aim of the current study was to examine whether complete ablation by performing RDN in accessory renal arteries, in addition to the main renal arteries, would influence blood pressure even more in patients with rHTN.

Not exact matches

The study was funded by HealthTronics, a medical technology company that manufactures the ablation probes used for the treatment.

Itch responses were blocked by toxin - mediated ablation of Nppb - receptor — expressing cells, but a second neuropeptide, gastrin - releasing peptide, still induced strong responses in the toxin - treated animals.

Marrouche and Johannes Brachmann from the Klinikum Coburg conducted the eight - year CASTLE - AF clinical trial to compare catheter ablation to conventional drug therapies recommended by the American Heart Association and European Heart Society to control the heart's rate.

«Tattoo removal can be likely improved by combining laser surgery with the transient ablation of the macrophages present in the tattoo area,» says Malissen.

Performing a multivariate analysis adjusting for patient demographics and comorbidities, the UCSF researchers determined AFL catheter ablation reduced the risk for overall hospital - based health care by 6 percent, inpatient hospitalization by 12 percent and emergency department visits by 40 percent.

For patients with osteoarthritis of the knee, a minimally invasive procedure called cooled radiofrequency ablation (CRFA) provides better pain reduction and functional improvement compared to steroid injection of the knee, concludes a study in Regional Anesthesia & Pain Medicine, published by Wolters Kluwer.

In a second step, by capitalizing on their expertise in the field of laser ablation, they decorated these graphenated - MWCNT (g - MWCNT) structures with 2 - 3 nm - diameter gold nanoparticles (Au - NP).

Itch, but not pain sensation, is abolished by selective ablation of a small subpopulation of spinal neurons.

«The changes induced by Lsd1 ablation have secondary effects on body weight gain and glucose tolerance with aging,» explains Prof. Schuele.

The amount of ultraviolet irradiation and ablation experienced by a planet depends strongly on the temperature of its host star.

Evidence from glacial advance / retreat (e.g. the evidence from tropical Andean glaciers you cite above) is often difficult to interpret, because glacial mass balance represents in general a subtle competition between the influences of ablation (determined by changes in temperature thresholds reached) and accumulation (determined by changes in humidity and precipitation).

Minimally invasive monitoring of cellulose degradation by desorption electrospray ionization and laser ablation electrospray ionization mass spectrometry.

Emory neuropsychologist Dan Drane, who probes the effects of epilepsy surgery on memory and language abilities, had identified Olds as a good example of how the more precise stereotactic laser ablation procedure pioneered by Gross can preserve those cognitive functions, in contrast to an open resection.

Steffi Böhme of the Helmholtz Centre for Environmental Research (Department of Bioanalytical Ecotoxicology) won this year's award for her presentation «Visualisation of silver nanoparticle uptake by Laser Ablation — Inductively Coupled Plasma Mass Spectrometry».

Abstract: The amount of ultraviolet irradiation and ablation experienced by a planet depends strongly on the temperature of its host star.

WASP - 33 is an A-type star with a temperature of ~ 7430K, which... ▽ More The amount of ultraviolet irradiation and ablation experienced by a planet depends strongly on the temperature of its host star.

By comparison, the present day GrIS has an AAR of ~ 0.9 (Ettema, 2010), which corresponds to an ablation area of 10 % and a melt area for the GrIS of 31 % (as calculated above).

Research on laser ablation at York undertaken by Professor Greg Tallents, Professor Nigel Woolsey and Dr Erik Wagenaars has been supported by an EPSRC network on Laser Based Production.

Focal laser ablation uses precisely targeted heat, delivered through a small insertion and guided into the prostate by magnetic resonance imaging, to burn away cancerous cells in the prostate.

An initial five - year, multicenter study of cryoablation to treat early - stage breast cancer sponsored by the National Cancer Institute found it to be 92 percent effective for complete ablation of invasive breast tumors smaller than 2 centimeters and 100 percent effective for complete ablation of invasive ductal breast cancer tumors smaller than 1 centimeter.

The instrument vaporizes aerosol particles either by laser ablation or flash vaporization, this way converting the particulate matter into gaseous material.

Our work at Alexander Island is supported by the British Antarctic Survey and involves analysis of valley glacier and ice - shelf moraines at Ablation Point Massif and Fossil Bluff.

Genetic ablation of Cyp8b1 preserves host metabolic function by repressing steatohepatitis and altering gut microbiota composition — Jay V Patankar — American Journal of Physiology — Endocrinology and Metabolism

Atrial fibrillation patients with a prior history of stroke who undergo catheter ablation to treat the abnormal heart rhythm lower their long - term risk of a recurrent stroke by 50 percent, according to new research from the Intermountain Medical Center Heart Institute.

By combining the use of magnetic tweezers with in vivo laser ablation, we locally control physiologically relevant deformations in wild - type Drosophila embryonic tissues.

The Greenland, and possibly the Antarctic, ice sheets have been losing mass recently, because losses by ablation including outlet glaciers exceed accumulation of snowfall.

Also increasingly valuable is a procedure known as ablation, in which small tumors are destroyed with electricity, radio waves, microwaves or by freezing, Fong said.

Ablation of command interneurons by restricted expression of the human caspase ICE showed that even in the absence of interneuron input, worms can still move in a sinusoidal wave in a limited manner [41].

This little - heralded, meticulous investigation into the effects of ablation of the telomerase catalytic subunit in mice with human - like telomeres provides us with strong reassurance that, should it prove to be the preferred approach for implementing the OncoSENS strategy, the effects of knocking out TERT would be limited to those dictated by the loss of telomere - lengthening per se, and would not lead to an unintentional loss of some essential but hitherto - unknown phsyiological function.

Cancer: treatment to kill small tumours (ablation techniques), deliver chemotherapy to larger tumours (transcatheter chemo - embolization), and provide symptomatic relief for bleeding and blockages of vessels and tubes caused by cancer.

Acute ablation of autophagy leads to animal death caused by infection, diabetes, and neurodegeneration, as well as muscle dystrophy and reduced fat storage [18].

U — Th — Pb zircon geochronology by ID - TIMS, SIMS, and laser ablation ICP - MS: Recipes, interpretations, and opportunities Who is online.

Two days later a radiofrequency ablation of the electrical circuit was performed at the electrophysiological laboratory directed by Dr. Roberto Santilli of the Veterinary Clinic Malpensa, with an endocardial and epicardial approach with interruption of the arrhythmia.

Therefore ablation (removal of the material from the surface of an object by vaporization, or other erosive processes) of the ear may be necessary.

In this estimate, only 4.2 mm per month of liquid water equivalent are due to the mass added by enhanced precipitation; the vast majority of the effect (72 mm per month of decreased ablation) is due to the effect of precipitation on reflectivity.

Therefore, if conditions allow the glacier surface to warm to 0 C, the amount of ablation that can be sustained by a given energy input increases dramatically.

If the peninsula is heating up at 1C / decade (cited by William), I wonder when we can expect this glacial ablation to affect sea - level rise.

A warming of 1 degree C is sufficient to raise the equilibrium line (below which net ablation occurs) by fully 300 meters.

According to [Moelg and Hardy, 2004], if air temperature were 1 degree C colder than at present, the potential ablation would be reduced by 14.2 millimeters per month (liquid water equivalent).

Concerning this effect, one should note that the measured ablation differed by a factor of two between the two years studied, even though annual mean snowfall was similar in both years.

Air temperature increases similar to those observed aloft since 1960, amplified by associated increases in humidity, account for a significant portion of the enhanced ablation leading to this strongly negative mass balance, but the exact proportion is highly uncertain because of the short span of energy and mass balance observations.

I'm also intrigued by Raymo's idea that an important factor is that during recent glacial cycles, the ablation zone of N.Hem ice sheets is land - based but that of S.Hem ice is ocean - based.

Lower altitude portions can be warmed directly by year - round exposure to above - freezing air, but at higher altitudes absorption of sunlight ultimately supplies all the energy which sustains ablation.

Runoff from steep ice - cliffs, or through subglacial flow driven by water percolating through pores or fractures, will convert a high fraction of melting into ablation.

In the paper the authors argue that there is no evidence for a speed up of the ice marginal zone due to enhanced ablation rates, which by some people was explained as if Greenland was not contributing to sea level change any more.

Ice lost by ablation is readily replaced by the freezing of rain, snow and meltwater.