ライフサイエンスコーパス: phantom

1 ter water cylinder and a non-uniform abdomen phantom.

2 rmed with a ratlike phantom and a monkeylike phantom.

3 for a 180 MeV proton beam impinging a water phantom.

4 high and low energy by using a within-image phantom.

5 d to the 4 largest spheres (17-37 mm) in the phantom.

6 cal domain on a scaled-up integrated circuit phantom.

7 point in 3-D space in a tissue-mimicking gel phantom.

8 T image quality was assessed using a NEMA IQ phantom.

9 mall phantom and 0.20-1.0 mg/mL in the large phantom.

10 ll phantom and 0.026-0.55 mg/mL in the large phantom.

11 and 78 kcps (at 139 MBq) with the monkeylike phantom.

12 n analysis of the hot-sphere-cold-background phantom.

13 s the sites due to challenges in filling the phantom.

14 lication of SSPiM OCTA signal in an in vitro phantom.

15 eart wall insert of an anthropomorphic torso phantom.

16 the known specifications in the calibration phantom.

17 struction was also assessed using a Jaszczak phantom.

18 pression and cells in a 3D engineered tissue phantom.

19 by utilizing a boneless chicken breast as a phantom.

20 rovided the most accurate results in a large phantom.

21 s-assisted laser ablation on a porcine liver phantom.

22 m combined with a 20-cm-diameter cylindrical phantom.

23 imental deposition data and simplified human phantoms.

24 NDA/EXM 1.2 for the standard male and female phantoms.

25 nto 58 extended cardiac-torso (XCAT) patient phantoms.

26 distribution volume, using tissue-simulating phantoms.

27 agents and calcium phosphate were imaged in phantoms.

28 n a 1.5 T MRI scanner using tissue-mimicking phantoms.

29 espond, in part, to their r(1) relaxivity in phantoms.

30 cement of particle-embedded tissue-mimicking phantoms.

31 blood as opposed to lung and epicardial fat phantoms.

32 urveys with a consumer-grade quadcopter (DJI Phantom 3), while concurrently recording behavioural rea

33 tween December 2017 and August 2019, a colon phantom 30 cm in diameter containing 60 polyps of differ

34 tests with a liver cancer mimicking hydrogel phantom, a solution sample, and porcine liver tissue wit

35 esected human brain cancer and from a silica phantom acquired by a 1310 nm swept-source OCT (SS-OCT)

36 ime was apparent in the system above a total phantom activity of 3.3 GBq.

37 hermore, the use of diamond nanoparticles in phantoms allowed us to tune the T1 value of the phantoms

38 Results Phantom analysis showed that fat fraction values correla

39 LOD range was 0.021-0.26 mg/mL in the small phantom and 0.026-0.55 mg/mL in the large phantom.

40 e LOQ range was 0.07-0.50 mg/mL in the small phantom and 0.20-1.0 mg/mL in the large phantom.

41 e was 430 kcps (at 115 MBq) with the ratlike phantom and 78 kcps (at 139 MBq) with the monkeylike pha

42 ECR measurement was performed with a ratlike phantom and a monkeylike phantom.

43 Materials and Methods A calibration phantom and a porcine phantom with lumbar vertebrae were

44 The 5D flow was evaluated in a pulsatile phantom and adult participants with aortic and/or valvul

45 The best CNNs for the cylindric phantom and bone scans were the dedicated CNNs.

46 e evaluate the model using a realistic heart phantom and data from 12 cardiac patients (47-77 years,

47 Phantom and ex-vivo experiments are carried out in trans

48 probe to map the biomechanical properties in phantom and human cadaver carotid arteries.

49 e anterior array (AA) surface coil in both a phantom and in vivo study.

50 erformance, and the capability of performing phantom and mouse imaging were evaluated for the PET sub

51 ng accuracy with an anthropomorphic skeletal phantom and optical tracking system, which shows a minim

52 o the abdomen phantom, linear correlation of phantom and patient Hounsfield units was confirmed (r =

53 ve respiratory and four cardiac gates in the phantom and patient studies.

54 alidated the system using an electrical head phantom and robotic motion platform.

55 ical Manufacturers Association image-quality phantom and scanned various times.

56 aluated with simulated images of a cylindric phantom and simulated bone scan images.

57 The method was validated in dedicated phantom and then applied to 12 consecutive patients (mea

58 ental proof of concept on a tissue-mimicking phantom and then, apply the method to in vivo imaging of

59 The vials were placed inside a water-filled phantom and were scanned with dual-layer dual-energy CT.

60 ging system was tested with tissue-mimicking phantoms and an ex vivo chicken liver through 2D/3D imag

61 ually drawing regions of interest within the phantoms and breast tumor tissue.

62 n vitro experiments were performed in tissue phantoms and followed by in vivo treatment of xenograft

63 easurements are performed for various beams, phantoms and geometries.

64 accuracy was validated using both blood flow phantoms and human subject imaging, and across flow spee

65 the performance of this endoscope in tissue phantoms and in an in vivo model of ovarian cancer.

66 ity of this method is demonstrated in tissue phantoms and in initial experiments in vivo.

67 ted measurements over hours and days both in phantoms and in vivo.

68 oil yields adequate signal-to-noise ratio in phantoms and pediatric study participants, with similar

69 H range, and demonstrated the feasibility in phantoms and rat livers in vivo.

70 he proposed technique was first validated in phantoms and then applied to 15 healthy female participa

71 DWI sequences were first optimized in breast phantoms and then performed in a group of patients.

72 the algorithm using several tissue-mimicking phantoms and then tested the OPE algorithm on 69 human s

73 y inserted 2 cm-deep into agarose gel "brain phantoms" and into rat brains under cooled conditions wh

74 ted emission spectrum (0.014-0.041 mug/ml in phantoms), and (III) optical-property corrected PpIX est

75 riments using wire targets, tissue-mimicking phantoms, and in vivo imaging of the rat bladder.

76 ment simulations, and experiments in layered phantoms are conducted to validate the technique and to

77 Fabricated tissue phantoms are instrumental in optical in-vitro investigat

78 thod was first tested on a three-compartment phantom as proof-of-concept.

79 resolutions were determined in a line source phantom as well as in a matched-filter resolution analys

80 ise-equivalent count rate from a mouse-sized phantom at 3.7 MBq was 11.1 kcps and peaked at 20.8 kcps

81 h a catheter balloon embedded in a plastisol phantom at multiple inflation levels.

82 e used to benchmark QBF in a calibrated flow phantom at three different laboratories each.

83 of gadopentetate dimeglumine in blood serum phantoms at 1.5 T, 3 T, and 7 T.

84 so produces similar T(1) relaxivity in serum phantoms at 4.7 T and 37 degrees C.

85 stems depicted iodine in the small and large phantoms at or below 0.3 and 0.5 mg/mL, respectively, an

86 eous patient collective and to compare it to phantom based MC provided from the National Cancer Insti

87 subwavelength object features in tissue-like phantoms beyond the phononic crystal evanescent zone and

88 In the animal phantom, BMDs from both CT systems were compared with th

89 of detection and quantification of DE CT in phantoms by comparing rapid peak kilovoltage switching,

90 method, a prospective study was performed in phantoms, cadaveric brain specimens, healthy volunteers,

91 samples and correlate the measurement with a phantom calibration curve to measure in vivo sodium.

92 a novel design for a truly customizable MRI phantom called the LEGO-compatible Modular Mapping (MOMA

93 ogists and synthetic chemists avoid pursuing phantom chemical entities.

94 ecular Imaging Clinical Trials Network torso phantom combined with a 20-cm-diameter cylindrical phant

95 The phantom comprises 2 separate, fillable sections: a resol

96 Materials and Methods A large elliptical phantom containing iodine (2, 5, and 15 mg/mL), simulate

97 ation of gold and iodine concentrations in a phantom containing mixtures of the contrast agents.

98 the similarity, attraction, compromise, and phantom context effects.

99 ructed images and linear correction based on phantom data acquisitions.

100 Materials and Methods Phantom data involving 10 texture patterns and 74 patien

101 pal component analyses were performed on the phantom data to evaluate the ability to distinguish betw

102 here-in-air data and combining them with the phantom data to generate combined datasets with embedded

103 The IDEAL fitting in phantom data with superimposed noise provided smaller co

104 M processing is demonstrated in flow channel phantom data, and in the chorioallantoic membrane of chi

105 Results In the phantom data, the statistical distributions of features

106 age quantification was investigated with the phantom data.

107 In the animal phantom, DeltaBMD ranged from -0.6% to 0.1% for energy-i

108 Results In the calibration phantom, DeltaBMD was smaller with both CT systems compa

109 8)F-FDG PET/CT imaging of mini image-quality phantoms designed to fit the new imaging system.

110 : Eleven sites were able to image a powerful phantom developed by the SNMMI CTN that evaluated image

111 tric Brain Tumor Consortium (PBTC) scanned a phantom developed by the Society of Nuclear Medicine and

112 f voxel-based, realistic human computational phantoms developed by the RADAR committee of the Society

113 In addition, we provide detailed MOMA phantom development and imaging characteristics of the m

114 blood oxygenation levels in tissue mimicking phantoms; differentiation of spectral profiles from norm

115 image quality indicators for the CATPHAN 600 phantom; - dosimetric indicators of exposure (DLP i CTDI

116 Phantom employs the principle of multi-objective optimiz

117 ternational Electrotechnical Commission body phantom emulating clinical count rates loaded with a lun

118 Purpose To develop, in a phantom environment, a method to obtain multidetector co

119 e in a dedicated dual-energy CT colonography phantom, especially with suboptimal fecal tagging.

120 For phantom evaluation, eight titrated fatty fluid solutions

121 PET images has been inferred using physical phantoms, even though arrangements of this sort provide

122 Materials and Methods Phantom, ex vivo, and in vivo MRI examinations were perf

123 Capturing the dynamic response of 3D printed phantoms, ex vivo biological tissue, and in vivo mouse a

124 e image quality metrics were compared in the phantom experiment by using multiple linear regression a

125 Results The phantom experiment showed comparable image quality betwe

126 A Derenzo phantom experiment was performed to test the resolution

127 A two-part study involved a phantom experiment, followed by an institutional review

128 Conclusion: The results obtained from phantom experiments and 1 representative PET measurement

129 aging, and quantitative T1 and T2 mapping in phantom experiments and 10 healthy participants (mean +/

130 o shield a (22)Na point source and a uniform phantom filled with (18)F as they were imaged on a precl

131 t only serves as a general quality assurance phantom for a wide range of RF coils, but also a flexibl

132 We demonstrated the feasibility of the MOMA phantom for quantitative evaluation of image quality usi

133 of RF coils, but also a flexible calibration phantom for quantitative imaging.

134 functional magnetic resonance imaging (MRI) phantom for sodium multi quantum (MQ) spectroscopy.

135 material into computational anthropomorphic phantoms for estimation of organ dose at computed tomogr

136 y 3D printed CH structures, from soft tissue phantoms for surgical training and simulations to mechan

137 i-OP detection conducted in a skin-mimicking phantom gel demonstrates the suitability of the device f

138 of ketone bodies has been demonstrated in a phantom gel skin-mimicking model.

139 ditional 220 genes (4.7%) are pseudogenes or phantom genes.

140 rted stimulation-induced sensations from the phantom hand for the whole duration of the trial.

141 g hand signal processing, amputees performed phantom hand movements during anodal transcranial direct

142 dividuals' reported motor control over their phantom hand positively correlated with the extent to wh

143 The MOMA phantom has a modular architecture which includes indivi

144 The method of producing phantoms has been described.

145 Physical phantoms have been widely used for performance evaluatio

146 Our results from simulations, phantoms, healthy and brain tumor human subjects indicat

147 oncept is conducted by using the LoTToR on a phantom, i.e., a simulated 3D reconstruction from a low-

148 ution of probes through up to 8 cm of tissue phantom; (ii) identification of spectral and scattering

149 (19) F MRI phantom images provide sufficient contrast at micromolar

150 Furthermore, phantom images reveal analogous linear pH behavior.

151 A prototype was built and dynamic phantom images were acquired.

152 Phantom imaging showed that features as small as 0.7 mm

153 he determination of absolute activity, SPECT phantom imaging studies and pre-clinical trials.

154 ion was found among different AuNP sizes via phantom imaging with any of the systems tested.

155 Phantom improves the performance of gene set based metho

156 reated through the use of an anthropomorphic phantom in conjunction with Monte Carlo simulations.

157 Phantoms include a uniform 35 cm diameter water cylinder

158 lgorithm was tested and validated on virtual phantoms incorporating known degrees and distributions o

159 was performed using 3-dimensionally printed phantom inserts reflecting realistic tumor shapes and he

160 ication of the signal measured by Reflective Phantom Interface (RPI) label-free optical biosensor.

161 Amputees who wish to rid themselves of a phantom limb must weaken the neural representation of th

162 Whether we wish to remove a phantom limb or assimilate a synthetic one, we will bene

163 Phantom limb pain (PLP) is notoriously difficult to trea

164 fective for neuroma-related residual limb or phantom limb pain (PLP).

165 Finally, they reported a decrement of their phantom limb pain and a general improvement in mood stat

166 een hypothesized to underlie phenotypes like phantom limb pain and hinder recovery.

167 r patients, maladaptive consequences such as phantom limb pain can occur.

168 nse, and noxious stimulation of an amputee's phantom limb using transcutaneous nerve stimulation (TEN

169 rection procedure was applied to the abdomen phantom, linear correlation of phantom and patient Houns

170 with simulated healthy and patient data and phantom measurements was also performed.

171 Phantom measurements were obtained to correlate bone den

172 Methods: Phantom measurements with single-, dual- and triple-isot

173 Methods: In a series of (177)Lu-filled phantom measurements, several important features were in

174 In phantom measurements, susceptibility-weighted MRI enable

175 A phantom model evaluated artifact production by using an

176 Phantom model studies indicate that electrode tip heatin

177 In the phantom model, the artifact was produced only with a 0.4

178 microwave catheters were tested in in vitro phantom models and in 15 sheep.

179 Phantom models demonstrated that the hypertransmission t

180 In vitro phantom models were used to model OCT optical properties

181 Although there are many kinds of physical phantoms, most MRI phantoms use fixed configurations wit

182 ating masses were examined in gelatin tissue phantoms near the Fresnel zone limit.

183 as been tested in a deformable plastic colon phantom of similar shape and dimensions to the human ana

184 ut in the presence of a synthetic anatomical phantom of the breast and water tank to investigate the

185 of 100 prints resulted in three-dimensional phantoms of 1 cm thickness.

186 hen the system calibration is performed with phantoms of appropriate size.

187 Phantoms of biological tissues are materials that mimic

188 For this purpose, 3-dimensional (3D)-printed phantoms of different geometries were manufactured, diff

189 o develop a method to create anthropomorphic phantoms of individual patients with high precision of a

190 he phantoms which open the way to elaborated phantoms of other tissues in the future.

191 In this article, we present phantoms of tissue with diamond nanoparticles dedicated

192 Results: Eleven PBTC sites scanned the phantom on 13 PET scanners.

193 lest feature (1 mm) was only detectible in a phantom on images from AR-SMS DWI.

194 The remainder were Stress Test Originated Phantom Perception (STOPP) subjects.

195 Here, we test the theory that auditory phantom perception (tinnitus) occurs when a default audi

196 brain regions and ultimately giving rise to phantom perception.

197 Auditory phantom percepts such as tinnitus are associated with au

198 hanisms at a cortical level can be linked to phantom percepts.SIGNIFICANCE STATEMENT Chronic tinnitus

199 Subjective tinnitus is an auditory phantom perceptual disorder without an objective biomark

200 ge contrast seen with the NEMA image quality phantom ranged from 77.2% to 89.8%.

201 CEST images of phantoms ranging in pH from 6 to 8 demonstrate the poten

202 easured by computed tomography, and liver-to-phantom ratio (LPR) was calculated.

203 gy CT methods by using a prospective ex vivo phantom reader study.

204 s show good agreement with gold standard and phantom references for all readout trajectories at 1.5 T

205 4.2 and 12.7% with respect to gold-standard phantom references for T1 and T2.

206 concentrations ([Li]) were estimated using a phantom replacement approach accounting for differential

207 against in vitro measurements in 3D-printed phantoms representing the patient's vasculature.

208 n resistome-a phenomenon we have termed the 'phantom resistome'.

209 muSv/MBq in reference human male and female phantoms, respectively), and the effective dose equivale

210 Results: Phantom results demonstrated lower quantitative error fo

211 The simulation and phantom results revealed that entropy images constructed

212 Results Phantom results showed that accurate and volumetric T1 a

213 Results Phantom results showed that in highly distorted areas, c

214 Direct microscopic observation of these phantoms, revealed a significant (p = 0.0024) correspond

215 The phantom's complexity led to suboptimal filling, particul

216 We initially tested this device on a phantom sample that simulated positive tumour margins.

217 ied to concurrent multifunctional imaging in phantom samples and in vivo in a mouse model of breast c

218 To verify these initial results, a phantom scan was performed and an additional patient coh

219 For the phantom scans, cold artifacts were visible on the PET im

220 owed that amputees experiencing highly vivid phantom sensations maintain cortical representation of t

221 ongenital one-handers, who do not experience phantom sensations, was significantly reduced.

222 tion persisted, despite varying vividness of phantom sensations.

223 Results The first abdomen phantom showed a detailed reproduction of the patient an

224 Measurements in tissue-simulating phantoms showed that (I) spectral fitting enhanced PpIX

225 simulations of focused VHEE beams in a water phantom, showing that dose can be concentrated into a sm

226 Element coupling and phantom signal-to-noise ratio (SNR) were assessed.

227 al-energy CT systems varied with scanner and phantom size, but all systems depicted iodine in the sma

228 did not influence VNC(error) significantly, phantom size, iodine content and base material had a sig

229 Different phantom sizes (S, M, L), volume computed tomography dose

230 r sample were scanned five times each in two phantoms (small, 20-cm diameter; large, 30 x 40-cm diame

231 age quality compared with single-shot DWI in phantoms (SNR, P = .001) and participants (lesion SNR, P

232 devastating condition, is the presence of a "phantom" sound that often accompanies hearing loss.

233 Results Simulation and phantom studies both suggest that the proposed STAIR-UTE

234 Background Results of recent phantom studies show that variation in CT acquisition pa

235 Material/Phantom studies were performed with two angiographic sys

236 Numeric simulation and phantom studies were performed.

237 DCE breast MRI.Keywords: Breast, MR-Imaging, Phantom Studies(C) RSNA, 2020.

238 L reconstructions when compared with OSEM in phantom studies.

239 Materials and Methods A phantom study and a prospective in vivo study were perfo

240 sults For TOF and non-TOF, respectively, the phantom study revealed a mean PET quantification bias of

241 Site 2 performed a phantom study to determine the impact of lowering admini

242 ctions on feature consistency, a multicenter phantom study was performed using 3-dimensionally printe

243 For the phantom study, PET images were reconstructed with and wi

244 In the phantom study, the diameter of the most active hot spot

245 In a phantom study, we estimated a linear model fitting the C

246 computed tomographic (CT) quantitation in a phantom system comparing fast kilovolt peak-switching, d

247 Loaded pediatric phantom testing yielded similar noise covariance matrice

248 as verified experimentally by imaging a head phantom that included a wire implanted to approximate th

249 As a result of our research, we obtained phantoms that were characterized by the relaxation time

250 From a Jaszczak SPECT phantom, the recovery and signal-to-noise ratio (SNR) we

251 n vitro, the measured exceeded actual tissue/phantom thickness by 13% to 20%.

252 tibody (as a model drug) that passed through phantom tissue and a pigskin barrier.

253 Next, we use a diverse set of liquid tissue phantom to validate the method.

254 After an evaluation of lesion torso phantoms to characterize quantitative accuracy, human st

255 First, we validated the platform on phantoms to optimize the microbubble cavitation dose bas

256 e have developed a novel statistical method, Phantom, to investigate gene set heterogeneity.

257 mor from the basic region in a gelatin-based phantom under OCT imaging.

258 re many kinds of physical phantoms, most MRI phantoms use fixed configurations with specific sizes th

259 aracterization of tissues and fabrication of phantoms used for diagnostic and therapeutic purposes ov

260 A Phantom v7 high-speed camera was used to record images a

261 de of quantized vorticity, which we term the phantom vortex.

262 and show that angular momentum is hidden in phantom vortices modes which so far seem to have evaded

263 The uniformity in the image-quality phantom was 3.3%, and the spillover ratio for air and wa

264 The dose-area product in the animal phantom was 4.6 cGy . cm(2) for DXA, 3.5-11.5 cGy . cm(2

265 se-equivalent count rate for the mouse-sized phantom was 44 kcps for a total activity of 2.9 MBq (78

266 on of a model therapeutic payload within the phantom was achieved using the MAD compared to separate

267 Quantitation stability of a (68)Ge flood phantom was demonstrated within 0.34%.

268 A commercial breast phantom was imaged for resolution comparison.

269 ical Manufacturers Association image-quality phantom was imaged with 13 PET/CT systems at 12 differen

270 OT COV in a stable phantom was less than 2.8% across all wavelengths over 3

271 simetry of a 3D printed 2-compartment kidney phantom was performed, and the resulting absorbed dose d

272 imensional (3D) printed 2-compartment kidney phantom was performed, and the resulting absorbed dose d

273 Second, the phantom was scanned 4 times on the same scanner.

274 erican College of Radiology CT accreditation phantom was scanned by using a dual-source multidetector

275 Third, the phantom was scanned on 6 PET/CT systems.

276 red with a (68)Ge line source in the scatter phantom was stable within the range of 40.4%-40.6%.

277 The produced phantom was subject to further CT scan in comparison wit

278 Using tissue-mimicking phantoms, we show that the anomalous fluidity of neurotu

279 We introduce a no-phantom weight tau and the Noise Collector matrix C and

280 recovery coefficients for the image-quality phantom were 53.7, 64.0, 73.1, 82.7, 86.8, and 90.7 for

281 Simulations and measurements of phantoms were executed to acquire backscattered radiofre

282 Seven different PET/CT phantoms were used for evaluating biases on default/gene

283 c, mouse-brain, lung, and fundus vasculature phantoms were used for training and testing.

284 ntoms allowed us to tune the T1 value of the phantoms which open the way to elaborated phantoms of ot

285 d the LEGO-compatible Modular Mapping (MOMA) phantom, which not only serves as a general quality assu

286 This method was validated in phantoms, which showed that MR-ARFI-derived displacement

287 Rods of the Derenzo phantom with 1-mm diameter could be distinguished by eye

288 An abdomen phantom with 7 different tissue types (different combina

289 rlo simulation was run using a modified XCAT phantom with additional and edited cerebrospinal fluid (

290 g CT-guided lesion targeting on an abdominal phantom with and without AR guidance using HoloLens 2.

291 y coefficients were assessed in a hot-sphere phantom with and without background.

292 ated bone scan images, images of a cylindric phantom with hot and cold spots, and a mix of the first

293 Methods A calibration phantom and a porcine phantom with lumbar vertebrae were imaged with a dual-en

294 Gadobenate dimeglumine phantoms with a wide range of T1 values were selectively

295 nits were investigated by printing geometric phantoms with gray scales ranging from 0% (white) to 100

296 ions and controlled experiments performed on phantoms with known mechanical properties.

297 This study shows the development of phantoms with nanodiamond particles for calibration of T

298 puted feature values directly from a digital phantom, without any additional image processing.

299 ication (VIDA) and 4D Extended Cardiac Torso Phantom (XCAT) were extended to provide radiation safety

300 Proof of concept studies of tissue phantoms yielded a mean error of 9.2% on hemoglobin conc