ライフサイエンスコーパス: phase contrast

1 complementary information in attenuation and phase contrast.

2 ill be measured accurately, obtaining strong phase contrast.

3 ith BF at rest and validated using real-time phase-contrast.

4 nally introduced with visible light, Zernike phase contrast(1) is a well-established technique in ful

5 It is intrinsically trimodal, delivering phase contrast, absorption contrast, and scattering ("da

6 ing a time-resolved three-dimensional radial phase-contrast acquisition.

7 The 4D phase-contrast acquisitions were performed, on average,

8 ) with routine nonenhanced and portal venous phase contrast agent-enhanced liver CT imaging with thic

9 ct volumetric cardiac and respiratory motion phases, contrast-agent dynamics, and blood flow velocity

10 classical physicochemical characterization, phase contrast and confocal laser scaning microscopy, an

11 elated with optical microscopy (differential phase contrast and confocal microscopy of mutant strains

12 Phase contrast and confocal microscopy were used in conj

13 Here, we use phase contrast and fluorescence microscopy to observe gi

14 imuli were confirmed with alamar blue assay, phase contrast and fluorescence microscopy.

15 Quantitative values for attenuation and phase contrast and image noise were determined.

16 contributions increase at a higher rate than phase contrast and inelastic scattering.

17 ively gentile removal of surface species via phase contrast and topographic imaging.

18 As assessed by phase-contrast and confirmed by confocal microscopy, coc

19 Phase-contrast and confocal microscopy show that Apoe(-/

20 Constructs were assessed by light (phase-contrast and differential interference-contrast) a

21 re simultaneously quantified with high-speed phase-contrast and fast fluorescence imaging.

22 neously quantified using digital, high-speed phase-contrast and fluorescence imaging.

23 We have been able to obtain phase-contrast and fluorescence micrographs with more th

24 This protocol describes a method combining phase-contrast and fluorescence microscopy, Raman spectr

25 The average difference between phase-contrast and gadolinium chelate perfusion measurem

26 Using these substrates, both phase-contrast and NIMS images of phospholipids from a s

27 -beat BF time history derived from real-time phase-contrast and VMHD was highly correlated using a Sp

28 covery platforms, for example, bright-field, phase contrast, and fluorescence microscopies, are unabl

29 we demonstrate that absorption, dark-field, phase contrast, and two orthogonal differential phase co

30 erebral oxygen delivery was calculated using phase contrast angiography and pre-ductal pulse oximetry

31 Within WM, phase contrast appeared to be associated with the major

32 aphic techniques, such as time of flight and phase contrast, are considered and their advantages and

33 Ultrahigh-field MRI and, especially, phase contrast, are highly sensitive to tissue changes i

34 ity to detect cortical substructure from MRI phase contrast at high field is expected to greatly enha

35 y, many attempts have been made to image the phase contrast based on a concept of the beam being defl

36 Using near-field spectral phase contrast based on the Amide I resonance of the pro

37 This technique is successfully applied to phase contrast, bright field, fluorescence microscopy an

38 ude-based contrast mechanisms), we show that phase contrast can actually disappear with extreme tissu

39 or in oximetry-derived flow parameters using phase-contrast cardiac MRI (CMR) as a reference.

40 vious studies demonstrated the usefulness of phase-contrast cardiovascular magnetic resonance (PC-CMR

41 Each participant underwent phase-contrast cardiovascular magnetic resonance measure

42 rt a method for three-dimensional (3D) X-ray phase contrast computed tomography (CT) which gives quan

43 and small intestine) were imaged with x-ray phase contrast computed tomography (PC-CT).

44 Synchrotron radiation phase-contrast computed nanotomography (nano-CT) and two

45 Grating-based phase-contrast computed tomography (PCCT) is a promising

46 We used cryo-electron tomography and Zernike phase contrast cryo-electron tomography to visualize pop

47 Grating-based phase-contrast CT allows differentiation of simulated si

48 results of this study indicate that ex vivo phase-contrast CT can help identify and quantify atheros

49 nd sensitivity, specificity, and accuracy of phase-contrast CT for plaque detection and the potential

50 Applying these criteria, phase-contrast CT had a good sensitivity for the detecti

51 Although not yet applicable in vivo, phase-contrast CT may become a valuable tool to monitor

52 s scanned with an experimental grating-based phase-contrast CT setup consisting of a Talbot-Lau inter

53 Under these conditions, we show that the phase contrast derives primarily from a unique energy fl

54 s compatible with microscopy methods such as phase contrast, differential interference microscopy, fl

55 rk is based on combinations of fluorescence, phase contrast, digital time lapse imaging, and P75 immu

56 thin-film samples by combining differential phase contrast (DPC) magnetic imaging with in situ heati

57 its host cell, Synechococcus, using Zernike phase contrast electron cryo-tomography (cryoET).

58 have used the emerging technique of Zernike phase-contrast electron cryomicroscopy to enhance the im

59 On portal venous phase contrast-enhanced CT scans, attenuation greater th

60 LSN scores from portal venous phase contrast-enhanced thick-section CT images had sign

61 Using synchrotron X-ray phase contrast-enhanced tomography we show exemplar data

62 e compared during the pancreatic parenchymal phase: contrast enhancement for the aorta, the pancreas,

63 4D flow was in better agreement with 2D cine phase-contrast flow (95% limits of agreement: -8.8 and 9

64 Phase contrast, fluorescence, and atomic force microscop

65 n of values determined for participants with phase-contrast gradient-echo imaging.

66 However, absorption often is negligible and phase contrast has not been easily available.

67 n provide comparable contributions to tissue phase contrast; however, the sign of iron and lipid cont

68 s obtained include (1) the brightness of the phase contrast image of an individual dormant spore is p

69 se contrast, and two orthogonal differential phase contrast images can simultaneously be generated by

70 terative algorithms to recover amplitude and phase contrast images from diffraction intensity data.

71 The analysis of time-lapse phase contrast images shows that the decrease in the ela

72 ndividual bacterial and mammalian cells from phase contrast images without the need for a fluorescent

73 ne capable of reliable detection of cells in phase contrast images.

74 pairwise comparison of the attenuation- and phase-contrast images and both images simultaneously.

75 Contrary to the common assumption, phase-contrast images in liquids using soft microcantile

76 Three-dimensional phase-contrast images of the live mouse retina were crea

77 Cartesian two-dimensional (2D) cine phase-contrast images were also acquired in the portal v

78 Standard attenuation- and phase-contrast images were reconstructed from the raw pr

79 cal tweezers; (iii) simultaneously measuring phase-contrast images, Raman spectra and fluorescence im

80 age 29 virions in buffer solutions using the phase-contrast images.

81 ed by a specimen, the so-called differential phase contrast imaging (DPC).

82 X-ray phase contrast imaging (XPCI) is an innovative imaging t

83 Concomitant phase contrast imaging allowed us to extract a linear de

84 X-ray phase contrast imaging has overcome the limitations of X

85 X-ray phase contrast imaging offers a way to visualize the int

86 With tunicamycin or mutant SFTPC expression, phase contrast imaging revealed a change to a fibroblast

87 Grating-based differential phase contrast imaging techniques are compatible with co

88 in pulmonary artery (PA) was quantified with phase contrast imaging.

89 ed quantitatively whilst in flow using x-ray phase contrast imaging.

90 X-ray phase-contrast imaging (XPCI) can dramatically improve s

91 After histologic processing, phase-contrast imaging and histopathologic data were mat

92 tive measurements of FC, NC, and CAs between phase-contrast imaging and histopathologic findings (R >

93 were used to determine the agreement between phase-contrast imaging and histopathologic findings for

94 Phase-contrast imaging at a range of energies provided h

95 Hard X-ray phase-contrast imaging characterizes the electron densit

96 X-ray phase-contrast imaging has recently led to a revolution

97 VCG-derived BF was performed using real-time phase-contrast imaging in 7 healthy subjects (n=7) durin

98 Tubular morphogenesis was analyzed with phase-contrast imaging microscopy.

99 TEM has not been regarded as optimal for the phase-contrast imaging necessary for efficient imaging o

100 ical dipole trap created using a generalized phase-contrast imaging technique.

101 In this study, we used synchrotron x-ray phase-contrast imaging to visualize the tracheal system

102 ectrons and lipid molecules were recorded by phase-contrast imaging using cryo-EM.

103 High-temporal-resolution phase-contrast imaging was performed in the main and rig

104 Phase-contrast imaging was performed to quantify the deg

105 Values for phase-contrast imaging were substantially distinguishabl

106 - 12 [standard deviation]) underwent cardiac phase-contrast imaging with a black blood segmented k-sp

107 n asymmetric mask concept that enables X-ray phase-contrast imaging without requiring any movement in

108 Here, with ultrafast X-ray phase-contrast imaging, we show that the formation of vo

109 , and swim at speeds detectable by real-time phase-contrast imaging.

110 the optical pump pulse using magnified x-ray phase-contrast imaging.

111 We study the physical origins of phase contrast in dynamic atomic force microscopy (dAFM)

112 We also show that the phase contrast in multiple sclerosis lesions could be al

113 Moreover, we predict that the sign of phase contrast in multiple sclerosis lesions indicates t

114 Contrary to an expectation that the phase contrast in multiple sclerosis lesions should alwa

115 we demonstrate the implementation of Zernike phase contrast in scanning X-ray microscopy, revealing s

116 ng, we have evaluated the x-ray differential phase contrast in view of the projected electron density

117 hy underwent CMR to measure planimetric AVA, phase-contrast indexed stroke volume, LV mass, and focal

118 The observed phase contrast is attributed to local variations in magn

119 accumulation of dark material observed using phase contrast light microscopy (indicative of a change

120 Simultaneous acquisition of phase-contrast light microscopy and fluorescently labele

121 ional hemodynamic effects were quantified by phase contrast magnetic resonance angiography at baselin

122 embolization on blood flow as quantified by phase contrast magnetic resonance imaging and hypothesiz

123 atients underwent SPC flow quantification by phase contrast magnetic resonance imaging, including qua

124 idate the capability of navigator-echo-gated phase-contrast magnetic resonance (MR) imaging for measu

125 Aortic arch PWV was measured with phase-contrast magnetic resonance (MR) imaging in a popu

126 thoracoabdominal, and neck vessels by using phase-contrast magnetic resonance (MR) imaging in childr

127 idate caval subtraction two-dimensional (2D) phase-contrast magnetic resonance (MR) imaging measureme

128 arterial (PA) flow parameters measured with phase-contrast magnetic resonance (MR) imaging that allo

129 ients and control subjects who had undergone phase-contrast magnetic resonance (MR) imaging were incl

130 Quantitative flow was measured by phase-contrast magnetic resonance angiography of the cer

131 Cine phase-contrast magnetic resonance imaging can be used to

132 Cine phase-contrast magnetic resonance imaging examinations w

133 easured cerebral blood flow by 2-dimensional phase-contrast magnetic resonance imaging in participant

134 Cine phase-contrast magnetic resonance imaging may be a valua

135 Cine phase-contrast magnetic resonance imaging measurement of

136 atio to assess kidney function and performed phase-contrast magnetic resonance imaging of basilar and

137 ham-operated rats, were examined by cine and phase-contrast magnetic resonance imaging.

138 patients with acute kidney injury using cine phase-contrast magnetic resonance imaging.

139 d calibrated versus aortic BF measured using phase-contrast magnetic resonance in 10 subjects (n=10)

140 Baseline arterial phase contrast material-enhanced (CE) MR imaging was use

141 Purpose To determine whether single-phase contrast material-enhanced dual-energy material at

142 uthors retrospectively reviewed 186 arterial phase contrast material-enhanced spiral CT scans of the

143 oracic junction is achieved with a quadruple-phase contrast media injection protocol.

144 Phase-contrast micro-CT achieved cellular resolution of

145 nerated by either CLT or DMM, we showed that phase-contrast micro-CT distinguished control and OA car

146 ould also be observed in images generated by phase-contrast micro-CT.

147 Phase contrast microCT of chemically fixed yet unstained

148 sent a new approach for retrieving halo-free phase contrast microscopy (hfPC) images by upgrading the

149 ic acid and Ca(2+) (CaDPA) were monitored by phase contrast microscopy and Raman spectroscopy, respec

150 r matrix protein type-I collagen by means of phase contrast microscopy and rotating disk rheometry.

151 Phase contrast microscopy assesses changes in refractili

152 Fluorescence and phase contrast microscopy revealed characteristic apopto

153 Phase contrast microscopy revealed identical sperm defec

154 as observed by scanning electron microscopy, phase contrast microscopy, and confocal scanning laser m

155 ology that combines fluorescence microscopy, phase contrast microscopy, and laser tweezers Raman spec

156 opy with simultaneous patch-clamp recording, phase contrast microscopy, and traction force microscopy

157 wth factor-beta1 (TGF-beta1) was analyzed by phase contrast microscopy, immunofluorescence, quantitat

158 d of the rapid drop in spore refractility by phase contrast microscopy, precisely corresponds to the

159 present a methodology that combines external phase contrast microscopy, Raman spectroscopy, and optic

160 ation and vegetative outgrowth by time lapse phase contrast microscopy, transmission electron microsc

161 ifferential interference contrast (DIC), and phase contrast microscopy, we tracked the movement of MT

162 imaging techniques such as fluorescence and phase contrast microscopy.

163 the IAS in the basal state was determined by phase contrast microscopy.

164 logy and cell-cell networks were assessed by phase-contrast microscopy and a cell viability assay, re

165 Neurite outgrowth was assessed by phase-contrast microscopy and calcein AM staining and qu

166 erior vitreous detachment were examined with phase-contrast microscopy and confocal microscopy after

167 Apoptosis was measured by phase-contrast microscopy and flow cytometry.

168 e periods on the order of weeks by utilizing phase-contrast microscopy and show that these cells acqu

169 ellar motion, visualizing the cell bodies by phase-contrast microscopy and the flagellar filaments by

170 Time-lapse video phase-contrast microscopy and time-lapse digital confoca

171 Phase-contrast microscopy and Wright staining showed mor

172 rulent NAP1 strain using optical density and phase-contrast microscopy assays.

173 n vitro on purified type 1 collagen by video phase-contrast microscopy at 22 degrees C.

174 Phase-contrast microscopy consistently identified a crea

175 Phase-contrast microscopy demonstrated that freshly isol

176 specimens were processed as flat mounts for phase-contrast microscopy followed by immunolabeling for

177 at combines the automated image analysis for phase-contrast microscopy movies with an easy-to-use int

178 pted to use multi-trap Raman spectroscopy or phase-contrast microscopy of spores adhered on a cover s

179 Examination by phase-contrast microscopy revealed the lytic death of ma

180 Phase-contrast microscopy studies of the entire GBM syst

181 nveloping membranous structure identified on phase-contrast microscopy to show positive stain results

182 The experiments were videorecorded (phase-contrast microscopy), and PMN adhesion/migration w

183 as observed by scanning electron microscopy, phase-contrast microscopy, and fluorescence microscopy.

184 fewer attached bacteria, as determined using phase-contrast microscopy, and less biofilm (P < 0.0001)

185 pseudoholes (14 eyes) using interference and phase-contrast microscopy, immunocytochemistry, and tran

186 ic and phenotypic changes were determined by phase-contrast microscopy, sensitivity to the oxidant te

187 py and the motion of the underlying cells by phase-contrast microscopy.

188 NK cells and FLS were studied by time-lapse phase-contrast microscopy.

189 by trypan blue staining, cell counting, and phase-contrast microscopy.

190 Cell morphology was documented by inverted phase-contrast microscopy.

191 ten requires the use of transmitted light or phase-contrast microscopy.

192 Here we present a phase-contrast microtomogram of a biological sample usin

193 ii by means of propagation X-Ray Synchrotron phase contrast microtomography using both holotomography

194 X-ray phase-contrast microtomography (XPCmuT) is a label-free,

195 Phase-contrast MR angiography with VIPR enables reliable

196 The phase-contrast MR images obtained in five of the eight p

197 red with caval subtraction and direct inflow phase-contrast MR imaging (mean difference, -1.3 mL/min/

198 ty-encoded MR imaging and that measured with phase-contrast MR imaging (mean ICC, 0.96 +/- 0.03 vs 0.

199 ty-encoded MR imaging and that measured with phase-contrast MR imaging (mean ICC, 0.97 +/- 0.02 vs 0.

200 ificantly larger than that with conventional phase-contrast MR imaging (mean, 0.75 +/- 0.23 vs 0.65 +

201 hose obtained from two separate conventional phase-contrast MR imaging acquisitions, one optimized fo

202 pulmonary artery that is determined by using phase-contrast MR imaging allows accurate estimation of

203 uspected of having PAH underwent breath-hold phase-contrast MR imaging and right-sided heart catheter

204 good agreement between PV flow measured with phase-contrast MR imaging and that measured with transit

205 hom went on to undergo ETV, were imaged with phase-contrast MR imaging at 1.5 T to determine rates of

206 Phase-contrast MR imaging can be combined with navigator

207 spective study, healthy volunteers underwent phase-contrast MR imaging in a fasting state and again a

208 al, and neck vessels were estimated by using phase-contrast MR imaging in healthy volunteers to allow

209 Aortic arch PWV measured with phase-contrast MR imaging is a highly significant indepe

210 Conclusion Caval subtraction phase-contrast MR imaging is a simple and clinically via

211 nge, as required for conventional sequential phase-contrast MR imaging measurements.

212 catheterization (RHC) and three-directional phase-contrast MR imaging of the main pulmonary artery.

213 Fifteen Sprague-Dawley rats underwent 2D phase-contrast MR imaging of the portal vein (PV) and in

214 8.3 years +/- 1.4) against directly measured phase-contrast MR imaging PV and proper hepatic arterial

215 The diagnostic ability of phase-contrast MR imaging to depict PAH was quantified.

216 Thereafter, consistency of caval subtraction phase-contrast MR imaging-derived TLBF and hepatic arter

217 es in a phantom and to prospectively use the phase-contrast MR sequence to measure three-directional

218 A cardiac-gated phase-contrast MR technique was used to acquire images a

219 40 late-gestation normal human fetuses using phase-contrast MRI (mean gestational age, 37 [SD=1.1] we

220 ary hypertension by high temporal resolution phase-contrast MRI (PC-MRI) and to correlate the results

221 at the age of 9 years using velocity-encoded phase-contrast MRI and related to maternal oily fish con

222 Strain was measured using high-resolution phase-contrast MRI in 9 adult male rats with myocardial

223 Phase-contrast MRI was performed in the thoracic aorta o

224 Phase-contrast MRI with metric-optimized gating is a pro

225 Phase-contrast MRI, in combination with measurement of p

226 ploiting technical advances toward real-time phase-contrast MRI, the current work analyzed directions

227 Phase-contrast OCT enables three-dimensional visualizati

228 of information about a 3D structure from the phase contrast of a single hologram acquired using a con

229 ion micro-computed tomography (micro-CT) and phase-contrast optics followed by quantitative analyses.

230 An electron microscope equipped with Zernike phase-contrast optics produces images with markedly incr

231 etting of optimal illumination necessary for phase contrast or the use of high magnification upright

232 t-tissue visibility with grating-based X-ray phase contrast (PC), we have developed a first preclinic

233 echnique yields attenuation, scattering, and phase-contrast (PC) images from a single exposure.

234 Phase-contrast (PC) MR imaging was performed as the refe

235 In addition to differential phase contrast projection images, the method allows the

236 resulting shear waves are imaged by using a phase-contrast pulse sequence with motion-encoding gradi

237 Bone destruction in paws was analyzed using phase-contrast radiography.

238 -phase atomic force microscopy with enhanced phase contrast revealed that the misfolding and folding

239 , the compressed-sensing parallel-imaging 4D phase-contrast sequence can augment conventional cardiac

240 hom a compressed-sensing parallel-imaging 4D phase-contrast sequence was performed as part of routine

241 ed simulator that can accurately capture the phase-contrast signal from a human-scaled numerical phan

242 ll as a dark-field signal in addition to the phase-contrast signal.

243 ssessment of their distinct attenuation- and phase-contrast signal.

244 he data presented here, each cross-sectional phase-contrast slice resulted from five images of 100 or

245 Two radiologists independently reviewed 4D phase-contrast studies for each of 34 patients (mean age

246 Among 123 valves seen in 34 4D phase-contrast studies, 29 regurgitant valves were ident

247 cope for simultaneous amplitude-contrast and phase-contrast surface plasmon resonance imaging (SPRi).

248 ively imaged at 1.5-minute intervals using phase-contrast synchrotron imaging, at positive end-expi

249 Using propagation phase-contrast synchrotron microtomography (PPC-SRmuCT)

250 We used phase-contrast synchrotron X-ray imaging and transmissio

251 greatly facilitate the translation of X-ray phase contrast techniques into mainstream applications.

252 ed tissue can be enhanced using staining and phase contrast techniques.

253 Phase-contrast techniques, such as differential interfer

254 iews, with over an order-of-magnitude higher phase contrast than current near-field grating interfero

255 independently assessed vessel conspicuity on phase-contrast three-dimensional angiograms.

256 n) enable quantitative automated analysis of phase-contrast time-lapse images of cultured neural stem

257 We have used high-resolution, phase-contrast time-lapse microscopy and developed sophi

258 or; (iii) monitoring the division process by phase-contrast time-lapse microscopy; and (iv) processin

259 The power of phase contrast to resolve subtle changes, such as those

260 We combine phase contrast tomographic microscopy (down to 3.3 mum v

261 idated against independent measurements from phase contrast tomography and electron backscatter diffr

262 Edge illumination x-ray phase contrast tomography is a recently developed imagin

263 low electron doses comparable to traditional phase-contrast transmission electron microscopy.

264 R imaging was performed by using a 4D radial phase-contrast vastly undersampled isotropic projection

265 Respiratory-gated phase-contrast vastly undersampled isotropic projection

266 viation]) were imaged with respiratory-gated phase-contrast vastly undersampled isotropic projection

267 ned by invasive ultrasonic flow probe and by phase contrast velocity encoded MRI (VENC) was studied i

268 CMR RVol(AR) was calculated by phase-contrast velocity mapping at the aortic sinuses an

269 using regurgitant fraction (RF) measured by phase-contrast velocity mapping CMR at a median of 40 da

270 and performs well on live-cell, time-lapse, phase contrast video microscopy of hundreds of cells in

271 Phase contrast video microscopy was used to count the nu

272 Phase-contrast video microscopy was used to record the m

273 ays using mouse lung slices and confocal and phase-contrast video microscopy.

274 he unenhanced MR angiographic technique with phase-contrast VIPR allows for accurate noninvasive asse

275 es, and overall image quality scores between phase-contrast VIPR and contrast-enhanced MR angiographi

276 tative assessment included evaluation of the phase-contrast VIPR and contrast-enhanced MR angiographi

277 For carotid and iliac lesions, phase-contrast VIPR and guidewire TSPG measurements were

278 etween the noninvasive TSPG measurement with phase-contrast VIPR and invasive TSPG measurement for me

279 Phase-contrast VIPR images were successfully acquired in

280 TSPGs were calculated by using phase-contrast VIPR MR angiography data sets; measuremen

281 Phase-contrast VIPR phase difference images were analyze

282 the segmental renal arteries were higher for phase-contrast VIPR than for contrast-enhanced MR angiog

283 Although the noise scores were higher with phase-contrast VIPR than with contrast-enhanced MR angio

284 The imaging duration for phase-contrast VIPR was 10 minutes and provided magnitud

285 The vessel diameters measured with phase-contrast VIPR were slightly greater than those mea

286 Velocities measured with phase-contrast VIPR were used to calculate TSPGs by usin

287 The phase-contrast VIPR-derived TSPG measures were slightly

288 tenosis was too small to determine TSPG with phase-contrast VIPR.

289 ing reports, which were generated without 4D phase-contrast visualization.

290 At this resolution, a strong phase contrast was observed both between as well as with

291 emonstrates the feasibility of grating-based phase contrast with a rotating gantry for the first time

292 trospectively electrocardiographically gated phase contrast with vastly undersampled isotropic projec

293 nsit (MCT) measurement that uses synchrotron phase contrast X-ray imaging (PCXI) to non-invasively me

294 By combining phase contrast X-ray imaging with an image reconstructio

295 een demonstrated as a valuable capability of phase contrast x-ray imaging.

296 Here we report a high-resolution, low-dose phase contrast X-ray tomographic method for 3D diagnosis

297 sition time by ~74% relative to conventional phase contrast X-ray tomography, while maintaining high

298 we have developed theory for absorption- and phase-contrast X-ray imaging.

299 stem tetrapod Ichthyostega using propagation phase-contrast X-ray synchrotron microtomography.

300 when hRSV viruses were imaged using Zernike phase contrast (ZPC) cryo-electron tomography.