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ICVTS on-line discussion A1 Reply to Kan.
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Analytical Prediction of Package Collapse Loads - Basic considerations
Calculation of Box Compression Resistance (BCR) is a challenging task and here the possibility of an engineering approach is considered. The strive has been towards obtaining a simple and general predictive tool with as few parameters as possible and still obtaining an accurate estimate of the BCR. The model proposed is based on the concept of dividing the package into panels and corner panels. Wi
Ethical aspects of a predictive test for Huntington's Disease: A long term perspective.
A predictive genetic test for Huntington's disease can be used before any symptoms are apparent, but there is only sparse knowledge about the long-term consequences of a positive test result. Such knowledge is important in order to gain a deeper understanding of families' experiences.
Low Cancer Rates among Patients with Dementia in a Population-Based Register Study in Sweden.
Background: Some studies have suggested a lower incidence of cancer in patients with dementia. We studied this further for 18 cancer types in population-based registers. Methods: In 19,756 cases and in 147,324 age- and sex-matched controls a diagnosis of dementia was studied 9-45 months prior to the diagnosis of cancer. Results: Overall a diagnosis of dementia was significantly less common among t
Four churches and a lighthouse – preservation, "creative dismantling" or destruction
A presentation and discussion of the heritage dilemmas, which appears, when the medieval churches of Mårup, Rubjerg, Lyngby and Furreby and the modern lighthouse of Rubjerg Knude in Northern Jutland, Denmark, all are threatened by dunes, drifting sands and the North Sea. The churches of Rubjerg and Lyngby were taken down and rebuilt further inland in respectively 1904 and 1913-14, while the church
Stability of fragrance patch test preparations applied in test chambers.
Background: Petrolatum patch test preparations are for practical reasons often applied in test chambers in advance, several hours or even days before the patient is tested. As many fragrance compounds are volatile it may be suspected that petrolatum preparations applied in test chambers are not stable over time. Objectives: To investigate the stability of petrolatum preparations of the 7 chemical
Control of junB and extracellular matrix protein expression by transforming growth factor-beta 1 is independent of simian virus 40 T antigen-sensitive growth-sensitive growth-inhibitory events
Treatment of Mv1Lu mink lung epithelial cells with transforming growth factor-beta 1 (TGF-beta 1) prevents phosphorylation of the retinoblastoma susceptibility gene product, RB, in late G1 phase of the cell cycle, which is thought to retain RB in a growth-suppressive state. This effect is paralleled by cell cycle arrest in late G1 (M. Laiho, J. A. DeCapric, J. W. Ludlow, D. M. Livingston, and J. M
Hospital utilization and costs for spinal cord stimulation compared with enhanced external counterpulsation for refractory angina pectoris.
Rationale, aims and objectives The aim of this study was to compare acute hospital utilization and costs for patients with refractory angina pectoris undergoing spinal cord stimulation (SCS) versus enhanced external counterpulsation (EECP). Method Seventy-three persons were included in this register study. The acute hospital utilization and costs for SCS and EECP were followed over a period from 1
Microarray-based Analyses of Hypoxia-induced Transcriptional Changes in Breast Cancer Cell Lines
Background: Tumour hypoxia is a common characteristic of many solid human tumours, and is associated with a poor prognosis in various types of cancer. Metabolic changes occur when cells are exposed to low oxygen pressure; however, little is known about the mechanisms underlying malignant transformation and/or progression caused by hypoxia. Materials and Methods: We monitored global gene expression
Repeated measurements, bilateral observations and pseudoreplicates, why does it matter?
A common requirement of statistical methods, critical to the interpretation of the data, is that the analyzed observations are independent. This is not always the case in experiments and clinical studies, a mistake which can be expected to lead to erroneous study results. The phenomenon is explained, its consequences described, and suggestions to avoid the problems presented.
Pre-Diagnostic Levels of Anionic Trypsinogen, Cationic Trypsinogen, and Pancreatic Secretory Trypsin Inhibitor in Relation to Pancreatic Cancer Risk.
Background/Aims: Experimental studies have suggested that trypsinogen may enhance tumor progression and that the ratio between anionic trypsinogen and cationic trypsinogen (HAT/HCT) and between the sum of trypsinogens and pancreatic secretory trypsin inhibitor (PSTI) ((HAT + HCT)/PSTI) are disturbed in patients with pancreatic cancer. The aim of this study was to investigate if pre-diagnostic leve
How many trials are needed to achieve performance stability of the Timed Up & Go test in patients with hip fracture?
OBJECTIVE: To examine the number of trials needed to achieve performance stability of the Timed Up & Go (TUG) test using a standardized walking aid in patients with hip fracture who are allowed full weight bearing (FWB). DESIGN: Prospective methodologic study. SETTING: An acute 14-bed orthopedic hip fracture unit. PARTICIPANTS: Patients (N=122; 89 women, 33 men) with hip fracture wit
Mothers' sense of security in the first postnatal week: interview study.
persson e.k., fridlund b., kvist l.j. & dykes a.-k. (2010) Mothers' sense of security in the first postnatal week: interview study. Journal of Advanced Nursing. ABSTRACT: Aim. This paper is a report of a study of factors which influence mothers' sense of security during the first postnatal week. Background. Mothers' sense of security the first postnatal week is not thoroughly elucidated in the
Entering the White Space of Logistics Research,
Global patterns in forest CO2-balance – An analysis based on a new global database
The Cenozoic activity of the Polotsk-Kurzeme fault belt in the East European Craton and its influence on the topography.
Laser transillumination of breast tissue phantoms using time-resolved techniques
The objective of this study was to evaluate a pulsed laser transillumination technique based on time-resolved detection on breast-tissue-like phantoms. Experiments have been performed on tissue-like plastic phantoms with different scattering characteristics. The effects of time-gate width, size, localisation and refractive index of hidden objects have been scrutinised. Our study showed that the sh
Quantification of low fat contents: a comparison of MR imaging and spectroscopy methods at 1.5 and 3 T.
Magnetic resonance spectroscopy (MRS) has long been considered the golden standard for non-invasive measurement of tissue fat content. With improved techniques for fat/water separation, imaging has become an alternative to MRS for fat quantification. Several imaging models have been proposed, but their performance relative to MRS at very low fat contents is yet not fully established. In this work,
Lifetime measurements in CeI, CeII, and CeIII using time-resolved laser spectroscopy with application to stellar abundance determinations of cerium
Radiative lifetimes of two levels in Ce I, eight levels in Ce rr, and nine levels in Ce III have been measured using the time-resolved laser-induced fluorescence technique. Free cerium atoms and singly and doubly ionized ions were obtained in a laser-produced plasma. A narrow bandwidth UV laser pulse was employed to selectively populate the short-lived upper levels and the lifetime values were eva