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Ultrasonic imaging as a means of monitoring gonadal development in lumpfish (Cyclopterus lumpus)
(Peer reviewed; Journal article, 2023)The commercial farming of juvenile lumpfish requires monitoring of gonadal development to achieve synchronized production. Conventional methods such as gonadosomatic index (GSI), sex hormone analyses, gonadal histology, ... -
Ultrasonic Imaging through Solids
(Master thesis, 2016)Ultrasonic testing is a widely used method, in the industry, for non destructive inspection of materials. The most commonly used technique is the pulse-echo technique where ultrasound is introduced into a test object and ... -
Ultrasonic NDT and its Ability to Detect Pitting Corrosion Behavior on Carbon Steel
(Master thesis, 2023)Denne rapporten fokuserer på å teste funksjonaliteten til overvåkningsutstyr basert på ultralyd, prod- usert av Sensorlink AS. Teknikker innenfor ultrasonisk NDT har blitt brukt for inspeksjon av tilstanden til rørledninger ... -
Ultrasonic Studies of Stressed Sand and Clay: Roles of Lithology, Anisotropy and Saturating Fluid
(Doctoral thesis at NTNU;2015:208, Doctoral thesis, 2015)The main objective of the work presented in this thesis is to improve our understanding of elastic wave velocities in uncemented sediments, such as sand, clay and mixtures of sand and clay. The focus here has been on ... -
Ultrasonic well integrity logging using phased array technology
(Chapter, 2023)Ultrasonic well integrity logging is an important and common procedure for well completion and plug-and-abandonment operations. Typical logging tools employ single-element ultrasound transducers. In medical ultrasound ... -
Ultrasound &prediction of prolonged labor
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:242, Doctoral thesis, 2013) -
Ultrasound and autopsy findings in fetuses with omphalocele and gastroschisis
(Master thesis, 2013)Objective: This study compares prenatal ultrasound findings and autopsy findings in fetuses and infants with gastroschisis and omphalocele. Design: Criteria for inclusion in the study were an autopsy of fetuses/infants ... -
Ultrasound and magnetic resonance imaging for group stratification and treatment monitoring in the transgenic adenocarcinoma of the mouse prostate model
(Journal article; Peer reviewed, 2020)Background:The transgenic adenocarcinoma of the mouse prostate (TRAMP) is a widelyused genetically engineered spontaneous prostate cancer model. However, both thedegree of malignancy and time of cancer onset vary. While ... -
Ultrasound and microbubble treatment for improved delivery of nanomedicine to tumours and the brain
(Doctoral theses at NTNU;2021:138, Doctoral thesis, 2021)The combined use of ultrasound and intravascular microbubbles, referred to as ultrasound and microbubble treatment, has emerged as a promising technique to enhance delivery of nanomedicine to tumours and the brain. Even ... -
Ultrasound and microbubble-enhanced therapy of Gastrointestinal tumors using conventional cytotoxic drugs in preclinical and clinical settings
(Doctoral theses at NTNU;2024:94, Doctoral thesis, 2024)Pancreatic ducal adenocarcinoma (PDAC) remains one of the deadliest cancers, with a very short life expectancy. Together with late diagnosis and aggressive biology, chemoresistance is one important cause of poor survival. ... -
Ultrasound and Microbubbles Increase the Uptake of Platinum in Murine Orthotopic Pancreatic Tumors
(Peer reviewed; Journal article, 2023)Objective Currently available cytotoxic treatments have limited effect on pancreatic ductal adenocarcinoma (PDAC) because desmoplastic stroma limits drug delivery. Efforts have been made to overcome these barriers by drug ... -
Ultrasound and microbubbles to beat barriers in tumors: Improving delivery of nanomedicine
(Peer reviewed; Journal article, 2021)Successful delivery of drugs and nanomedicine to tumors requires a functional vascular network, extravasation across the capillary wall, penetration through the extracellular matrix, and cellular uptake. Nanomedicine has ... -
Ultrasound as a non-invasive tool for monitoring reproductive physiology in female Atlantic salmon (Salmo salar)
(Journal article; Peer reviewed, 2018)Aiming to explore ultrasound technology as a noninvasive method for maturation monitoring, we compared ultrasound observations and measurements in female Atlantic salmon (Salmo salar) during the last year before ovulation ... -
Ultrasound as a noninvasive tool for monitoring reproductive physiology in male Atlantic salmon (Salmo salar)
(Journal article; Peer reviewed, 2019)We examined the potential for ultrasound as a noninvasive tool for maturation monitoring in Atlantic salmon (Salmo salar) males. Ultrasound examination and measurements were compared to common practices for maturation ... -
Ultrasound assessment of muscle thickness and muscle crosssectional area: a reliability study
(Chapter, 2017)Purpose: Previous studies showed that ultrasound imaging is reliable when measuring the cross-sectional area (CSA) of a muscle. However, measurements of muscles could be affected by the level of experience of the observer. ... -
Ultrasound Based Localization and Quantification of Skeletal Muscle Contraction
(Master thesis, 2014)Earlier experiments indicates that motor unit activity during isometric contractions can be imaged using a high-definition ultrasound scanner. In this study, ultrasound raw-data is analysed in MATLAB to localize and quantify ... -
Ultrasound Beamforming based on Deep Learning
(Master thesis, 2020)Stråleforming blir brukt av enheter som tar opp eller sender signaler med flere enn én kanaler for å gi sterkere signalstyrke i en gitt retning. Innen ultralyd kan bedre algoritmer for stråleforming gi økt bildekvalitet, ... -
Ultrasound beams for enhanced image quality
(Dissertations at the Faculty of Medicine, 0805-7680; 2008-152, Doctoral thesis, 2008)The contents of this thesis consider new methods for generating ultrasound beams for enhanced image quality in medical imaging. The results presented are produced through computer simulations. The thesis consists of an ... -
Ultrasound cardiac modeling, segmentation and tracking
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:79, Doctoral thesis, 2013)Echocardiography plays a key role in assessing cardiac diseases, especially in evaluating left ventricular (LV) function. It enables real-time, non-invasive, and relatively low cost acquisition of cardiac images. Furthermore, ... -
Ultrasound Contrast Imaging - Improved Tissue Suppression in Amplitude Modulation
(Master thesis, 2006)The ability to image myocardial perfusion is very important in order to detect coronary diseases. GE Vingmed Ultrasound uses contrast agent in combination with a pulse inversion (PI) technique to do the imaging. But this ...