Dose fractionation effects are utilised in the treatment of cancer with radiation therapy. (wikipedia.org)
A typical fractionation scheme divides the dose into 30 units delivered every weekday over six weeks. (wikipedia.org)
This hurdle was overcome by Coutard's recognition of the usefulness of fractionation-that is, dividing the dose into several smaller increments rather than administering a single, massive dose. (medscape.com)
Radiotherapy for acute metastatic epidural spinal cord compression (MESCC) involves conventional techniques and dose fractionation schemes, as it needs to be initiated quickly. (hindawi.com)
This patient was treated with image-guided 3DCRT (IG-3DCRT) alone using a FIF technique and a unique hypofractionated dose fractionation scheme, which resulted in good tumor control and sufficient cord decompression, which in turn allowed a delayed but gradual improvement in her severe neurological dysfunction. (hindawi.com)
Though initial studies showed a benefit to dose escalation, phase III studies examining dose escalation using standard fractionation or hyperfractionation have failed to show a benefit. (frontiersin.org)
For patients receiving SABR, radiotherapy dose and fractionation depends on the site of metastasis and the proximity to critical normal structures. (biomedcentral.com)
Accelerating the treatment by one week without dose reduction, as well as using hyper-fractionation, an increase in loco-regional control of intermediate to advanced carcinomas was observed without increasing the late toxicity. (biomedcentral.com)
All such new advances need today to be included in the biological knowledge about the altered fractionation in order to understand which could be the proper fractionation schedule, total dose and dose/fraction that maximize the tumour cells killing while minimizing the acute and late toxicities. (biomedcentral.com)
Fractions3
This difference between tumor and late-responding tissues is useful in designing therapeutic schemes that use multiple daily fractions rather than the conventional once-daily treatments. (medscape.com)
Of noncompliant treatment courses, extended fractionation (≥11 fractions) occurred in 62.6% and was more common before 2012, in community practice, and for treatments of the skull or head. (jnccn.org)
CONCLUSIONS: The adjuvant VBT fractionation scheme of 30 Gy in 6 fractions results in low rates of toxicity, with no grade ≥3 adverse events, and local control rates comparable with those from other published series using different fractionation schemes. (beaumont.org)
Bioassay1
The task is accomplished by a series of extraction, fractionation and bioassay steps that aid in the isolation of the unknown toxic agents. (nih.gov)
Radiation1
His major interest is in the best way to apply radiation fractionation schemes from a mechanistic standpoint. (tcgcrest.org)
Plasma2
By contrast, the demonstrated WNV inactivation capacity embedded into the manufacturing processes of plasma derivatives ( 7 ) has effectively prevented WNV transmission, although plasma for fractionation collected and used in the same geographic region is not tested for WNV. (cdc.gov)
Plasma derivatives like special plasma proteins can be obtained by fractionation. (pediaa.com)
Trace3
Continuous-flow fractionation of trace metals in environmental solids using rotating coiled columns. (ufz.de)
The applicability of the three-step BCR leaching scheme to the continuous-flow fractionation of trace metals (TM) using rotating coiled columns (RCC) has been investigated taking soil and sediment reference samples (SRM-2710, CRM-601, BCR-701) as examples. (ufz.de)
With respect to lipid matter and food analysis, three main themes emerged: (i) application for total fat/oil content as a replacement for Soxhlet-based methods, (ii) extraction of trace analytes followed by fractionation of lipid-containing material, and later (iii) assays compatible with the demands of the US Nutritional Labeling and Education Act of 1990. (aocs.org)
Chemical2
We improve the ability of WRF-Chem model to simulate aerosol-cloud physical and chemical processes by coupling a spectral-bin cloud microphysics scheme and online aerosol module, and consequently explore the aerosol-cloud interactions over eastern China and its adjacent ocean in boreal winter. (copernicus.org)
The rise of supercritical fluid fractionation (SFF) methodology, embracing columnar-based schemes using distillation-type towers, as well as production-scale supercritical fluid chromatography (SFC), is documented in the literature [4], but these techniques have faced stiff competition from technologies such as molecular distillation and high-performance liquid chromatography (HPLC). (aocs.org)
In this context, by taking advantage of its first crystallographic structure co-crystallized with dihydroergotamine (DHE), one of the oldest and largely used antimigraine drugs, a quantum biochemistry study based on the electrostatically embedded molecular fractionation with conjugate caps (EE-MFCC) scheme within the density functional theory (DFT) formalism is performed to unveil this complex's detailed binding energy. (chemaxon.com)
Biological1
An option available with the new technologies is the Simultaneous Integrated Boost (SIB) approach that, even with different associated biological mechanisms due to the different treatment timing, could be considered as an alternative to the hyper-fractionation with the concomitant boost which showed some improvements. (biomedcentral.com)
Treatment2
Although extended fractionation constituted a majority of noncompliant treatment courses, a substantial proportion also involved shorter courses. (jnccn.org)
Altered fractionation started to be explored in the 80-ies trying to improve head and neck cancer (HNC) treatment outcome [ 1 ]. (biomedcentral.com)
Results2
Finally, for completeness, we compared our results obtained by using the EE-MFCC approach with those considering the ordinary MFCC scheme. (chemaxon.com)
Fractionation results in various qualities of oil needed for further upgrading into fine chemicals, petrochemicals, automotive fuels and energy. (btg-bioliquids.com)
Cancer1
PURPOSE: This study aimed to evaluate outcomes and toxicity in patients with endometrial cancer per our institutional adjuvant vaginal cuff brachytherapy (VBT) fractionation scheme. (beaumont.org)
Patients2
The choice of the fractionation scheme in HNC patients is a delicate problem, as many factors are involved. (biomedcentral.com)
Also pragmatic factors, as the workload, the costs, the logistic convenience of a centre to treat patients more than once a day, or during weekend, has to be taken into account when choosing the fractionation scheme for HNC patients. (biomedcentral.com)
Studies1
Previous proteomic studies of intact platelets have collectively identified hundreds of proteins using a variety of fractionation strategies including 2-dimensional electrophoresis (2DE), multidimensional chromatographic separations, membrane prefractionation techniques, and adsorption to combinatorial hexapeptide ligand libraries [ 1 - 6 ]. (hindawi.com)
Blood2
On a larger scale, the limitations of testing have been highlighted by transmission of West Nile virus (WNV) through blood transfusions in the United States even after implementation of sophisticated nucleic acid testing schemes for the blood supply ( 6 ). (cdc.gov)
Scheme of a blood sample after centrifugation is shown in figure 2 . (pediaa.com)
Source1
He has used this reaction and a complete organelle fractionation scheme to identify a novel source of membrane template for lipidation the endoplasmic reticulum-Golgi intermediate compartment (ERGIC), a sorting station for cargo transport between the endoplasmic reticulum and the Golgi appratus. (longdom.org)
Radiotherapy3
9. A new index comparable to BED for evaluating the biological efficacy of hypofractionated radiotherapy schemes on early stage non-small cell lung cancer: analysis of data from the literature. (nih.gov)
To date, advances in radiotherapy have primarily involved a variety of fractionation schemes, improved dose delivery, and improved localization. (nih.gov)
With the use of new radiotherapy techniques, which allow for conformal treatment plans, image guidance, and short fractionation schemes, the use of re-irradiation for different sites is increasing in clinical settings. (au.dk)
Dose and fractionation scheme2
The optimal dose and fractionation scheme of stereotactic body radiation therapy (SBRT) for hepatocellular carcinoma (HCC) remains unclear due to different tolerated liver volumes and degrees of cirrhosis. (biomedcentral.com)
However, the optimal dose and fractionation scheme of SBRT for HCC remains unclear because primary HCCs tend to be associated with different degrees of cirrhosis and tolerated liver volumes. (biomedcentral.com)
Extraction2
In this chapter, the advanced extraction techniques for fractionation and analytical methodologies applied for the determination of different carbohydrates of milk (lactose, lactulose, and oligosaccharides) are summarized. (intechopen.com)
into the pretreatment, extraction, refining and fractionation in large oil plants. (evangelicaloutpost.com)
Radiation therapy2
Dose fractionation effects are utilised in the treatment of cancer with radiation therapy. (wikipedia.org)
This study aimed to evaluate the current patterns of practice and prescription preference about moderately hypofractionated post-operative radiation therapy to assess possible aspects that affect the decision-making process regarding the use of fractionation in breast cancer patients in Latin America and the Caribbean (LAC). (bvsalud.org)
Tumor2
This difference between tumor and late-responding tissues is useful in designing therapeutic schemes that use multiple daily fractions rather than the conventional once-daily treatments. (medscape.com)
In the absence of strong risk factors for local recurrence, such as those enumerated in KQ3B, 1000 cGy in 4 to 5 fractions is suggested as the standard tumor bed boost dose-fractionation, regardless of whole breast dose-fractionation, stage, or histology. (medscape.com)
20162
During Q3 of year 2015 Company commissioned new High Pressure Fat Splitting Plant and a new Fractionation column was commissioned.During the year 2016 Company commissioned its new Dimerization plant. (business-standard.com)
In August 2016 Fairfax acquired 51% equity stake in Privi Organics Limited whose business of Aroma Chemicals is now vested in the Company's wholly owned subsidiary company as per Scheme of Arrangement. (business-standard.com)
Localization1
Our approach is fractionation independent and allows study of the localization of RNA processing intermediates, as well as the identification of regulatory RNA cis-acting elements occupied by proteins, in a cellular-compartment-specific manner. (nih.gov)
Proteins1
Improvements are sought in areas such as: sample collection and fractionation, and detection, identification, and quantification of proteins or peptides of interest. (nih.gov)
Standard1
Using standard fractionation (1.8-2 Gy per fraction) the total radiation dose varied from 54 to 70 Gy. (medscape.com)
Time2
Large variations in total radiation dose, fractionation and overall treatment time have been reported. (medscape.com)
This analysis is covered by a range of physicochemical techniques including NMR, small angle X-ray scattering, light scattering, optical rotation, calorimetry, rheology, cryo-TEM microscopy, time-resolved ellipsometry and field flow fractionation studies. (europa.eu)
Approach1
Other major activities focus on the development of safety evaluation strategies for mixtures such as the use of toxic equivalence factors or alternatives such as the question-and-answer approach, fractionation followed by recombination of the mixture in combination with a mixture design, and quantitative structure-activity relationship analysis combined with lumping analysis and physiologically based pharmacokinetic/pharmacodynamic modeling for studying complex mixtures. (nih.gov)
Breast1
For women with invasive breast cancer receiving whole breast irradiation (WBI) with or without inclusion of the low axilla, the preferred dose-fractionation scheme is hypofractionated WBI to a dose of 4000 cGy in 15 fractions or 4250 cGy in 16 fractions. (medscape.com)
Stage1
The three-stage modified BCR procedure used for fractionation of copper in soil was accelerated by ultrasound irradiation using an ultrasonic probe. (edu.pl)
Volume1
Dose constraints were identified and built into an organ-based interactive web application with filters to display data by organs-at-risk (OARs), protocol, start date, dose, volume, and fractionation scheme. (authorea.com)
Analysis1
The main aim of this contribution is to provide the reader with a broad view on the recent fractionation and analytical techniques employed for the analysis of carbohydrates in dairy foods and their applications in food and pharmaceutical industry. (intechopen.com)
Data1
The extracted information includes bio-data, presenting symptoms, metastatic sites, and bone pain assessment before and after four weeks of PRT using visual analogue pain scale (VAS), radiation doses, fractionation numbers and number of re-irradiation. (bvsalud.org)
Early1
1. In Vitro Radiobiological Advantages of Hypofractionation Compared with Conventional Fractionation: Early-Passage NSCLC Cells are Less Aggressive after Hypofractionation. (nih.gov)