ライフサイエンスコーパス: pinhole

1 ing the laser beam through a stainless steel pinhole.

2 image plane of a microscope through a small pinhole.

3 es obtained from planar imaging for the same pinholes.

4 raction images, SPECT images, early and late pinhole (99m)Tc sestamibi images, all planar images, and

5 Early pinhole (99m)Tc sestamibi images, late pinhole (99m)Tc s

6 Early pinhole (99m)Tc sestamibi images, late pinhole (99m)Tc sestamibi images, subtraction images, SP

7 4- protocol that consisted of early and late pinhole (99m)Tc sestamibi, pinhole thyroid imaging, imag

8 ystem and a combined system that uses both a pinhole and a hologram in parallel.

9 the spatial resolution and efficiency of a 9-pinhole and a parallel-hole collimator mounted to a stan

10 lytic form that is the geometric mean of the pinhole and parallel-beam formulas, disagreeing with pre

11 etrofosmin and scanned 2 h later with planar pinhole and PICO-SPECT techniques.

12 DMSA scans were obtained by both pinhole and SPECT techniques at 24 hr (4 piglets), 48 hr

13 ultilayer optical interference filter with a pinhole, and an annular a-Si:H photodiode is also develo

14 r compared to devices fabricated without the pinhole, and efficiencies comparable to embossed PMMA an

15 PECT consists of 24 modular cameras and a 24-pinhole aperture with 1.5-mm spatial resolution and 13.3

16 aging small lesions with the high-resolution pinhole apertures along with 3-dimensional localization

17 ecause of the rapid sensitivity fall-off for pinhole apertures.

18 aluated with small, very-high-stopping-power pinhole apertures.

19 When CD is removed from the surface, pinholes are created and this diode like behavior is los

20 foci array passing through a 4 x 4 confocal pinhole array is tilted with a periscope.

21 is compared with that of two alternatives: a pinhole-based system and a combined system that uses bot

22 single beam and delivered through a confocal pinhole before being focused through the slit of a spect

23 ocking free -COOH groups with ethanol amine, pinhole blocking with bovine serum albumin, washing with

24 top (50 cm x 25 cm x 25 cm) full field X-ray pinhole camera (FF-XPC) presenting high energy- and high

25 struments, save a few, are still designed as pinhole cameras.

26 h stationary detectors and focusing multiple pinholes can achieve excellent resolution-sensitivity tr

27 tions (M), determined by the relative sample-pinhole-CCD distances, are used in the present setup.

28 Pinhole collimation strongly departs from traditional el

29 n emission computed tomography system with a pinhole collimator (pinhole SPECT) for high-resolution c

30 constructed data from 2 and 4 views of the 9-pinhole collimator demonstrated good lesion definition a

31 ted and reconstructed projection data of a 9-pinhole collimator from a digital heart phantom with a b

32 This predicts that a 9-pinhole collimator having the same spatial resolution as

33 A gamma camera with a pinhole collimator is used to acquire projections of the

34 etector coupled, in a coaxial geometry, to a pinhole collimator of small diameter.

35 onstructed data from 1 angular view of the 9-pinhole collimator showed the expected loss of spatial r

36 e found that the spatial resolution of the 9-pinhole collimator with 8-mm diameter pinholes was 30% p

37 oped preclinical PET system uses a clustered-pinhole collimator, enabling high-resolution, simultaneo

38 r as having the same sensitivity as a single-pinhole collimator, ignoring the effect of the axial sep

39 se ETACT requires only a gamma camera with a pinhole collimator, it has the potential to be applied i

40 mobile C-arm and a gamma camera with a four-pinhole collimator.

41 linical scintillation camera equipped with a pinhole collimator.

42 CTor was equipped with a dedicated clustered pinhole collimator.

43 ection of the X-ray fluorescence through the pinhole-collimator allowed the two-dimensional elemental

44 ing a dedicated cardiac SPECT system with 19 pinhole collimators interfaced with 64-slice CT.

45 Pinhole collimators made of high-density and high atomic

46 al defects, the complication rates, and best pinhole-corrected visual acuity (BPVA).

47 Due to the confocal pinhole, deep tissue fluorescence imaging is not practic

48 The absence of pinhole defects in the film was confirmed and supported

49 face modification include limited stability, pinhole defects, bioincompatibility, and nonspecific pro

50 ential of dewetting phenomena, which lead to pinhole defects.

51 a reduced sensitivity to pinhole or partial pinhole defects.

52 Pinholes depolarize the membrane, leading to activation

53 acute pyelonephritis is slightly better than pinhole DMSA scan, the overall accuracy of these two ima

54 el was reduced to less than 0.8 mum with the pinhole during ablation.

55 to the bladder, the sensitivity of SPECT and pinhole for the detection of affected kidneys were 95% a

56 heterogeneous sizes, within which the final pinholes form.

57 s blocked at an activated dimer stage of the pinhole formation pathway, were both blocked in a state

58 rther mutational analysis suggests a refined pinhole formation pathway, with the existence of at leas

59 erates TMD2 to participate in the pathway to pinhole formation.

60 using atomic layer deposition we deposited a pinhole free nanometer-scale thin film oxide as a protec

61 lectrodes were prepared and then coated with pinhole-free Al2O3 layers ranging in thickness from 2.5

62 kite solar cells were constructed with these pinhole-free CH3NH3PbI3 films, exhibiting significant en

63 Here, we report that high-quality pinhole-free CH3NH3PbI3 perovskite film can be controlla

64 ficiency PSCs based on compact, large-grain, pinhole-free CH3NH3PbI3-xBrx (MAPbI3-xBrx) thin films wi

65 remarkably uniform Pt layer, as indicated by pinhole-free characteristics using both the CO and ethyl

66 exhibit a reduced roughness and potentially pinhole-free coverage of the substrate.

67 /selenization) yields high-quality nominally pinhole-free films with large (>1 microm) grains of sele

68 Pinhole-free insulation of micro- and nanoelectrodes is

69 For the first time, uniform and pinhole-free microporous cage thin films are formed and

70 The and essentially pinhole-free nature of the coated nanoparticles is demon

71 Depositing a pinhole-free perovskite film is of paramount importance

72 Highly uniform, pinhole-free perovskite films are obtained from a dimeth

73 h allows us to obtain ultrasmooth and almost pinhole-free perovskite films by a simple one-step solut

74 ed hot-casting technique to grow continuous, pinhole-free thin films of organometallic perovskites wi

75 CO vibrational bands as well as apparently "pinhole-free" properties, although such imperfections we

76 rongly adherent, thermally stable, virtually pinhole-free, organosiloxane thin films having exception

77 gression of moisture and passivates voids or pinholes generated in the hole-transporting layer.

78 omputation) with the encrypted hologram of a pinhole image that is positioned at the same depth as th

79 Results of the SPECT images, pinhole images and histologic findings were interpreted

80 ages of the neck followed by 99mTc-sestamibi pinhole images of the neck and parallel-hole images of t

81 Imaging consisted of 99mTc-pertechnetate pinhole images of the neck followed by 99mTc-sestamibi p

82 Within 2.5-4.0 hr later pinhole images of the neck, parallel-hole and SPECT imag

83 Reviewing early, late, and subtraction pinhole images together with SPECT images maximizes para

84 On in vivo pinhole images, increased focal NC100692 activity was se

85 ffected renal zones was slightly better than pinhole imaging (91% compared with 86%), but its specifi

86 the sensitivity and specificity of SPECT and pinhole imaging for the detection of acute pyelonephriti

87 To evaluate accuracy of SPECT and pinhole imaging for the detection of individual lesions,

88 The corresponding values for pinhole imaging were 90%, 95% and 92%, respectively.

89 ized with PICO-SPECT better than with planar pinhole imaging, with respective contrast improvements >

90 ction, and finally leads to the formation of pinholes in the walls.

91 ined with an adjustable image-plane aperture pinhole, in order to separate the H2 rotational Raman ba

92 c time to form small, heptameric lesions, or pinholes, in the cytoplasmic membrane, thus initiating l

93 Dedicated mammotomography with pinhole incomplete circular orbit (PICO) SPECT imaging o

94 This paper describes a mass spectrometer pinhole inlet design and cryogenic preconcentration syst

95 ure) and tungsten (1.0-mm diameter aperture) pinhole inserts.

96 d sieving properties to randomly distributed pinholes interconnected by short graphene channels with

97 from excising stem sections or from piercing pinholes into the stem of intact plants.

98 from excising stem sections or from piercing pinholes into the stem of intact plants.

99 of-focus fluorescence is never generated, no pinhole is necessary in the detection path of the micros

100 This article reviews basic principles of pinhole magnification imaging and ways for optimizing im

101 Pinhole magnification imaging is an important technique

102 TMD2 alone lines the pinhole, making heterotypic interactions involving two s

103 20.8%) between tungsten and depleted uranium pinhole materials at this energy and these lesion sizes.

104 After pinhole occlusion, this number decreased to 15.2% (95% C

105 evaporation and has a reduced sensitivity to pinhole or partial pinhole defects.

106 fected kidneys was 92% for SPECT and 83% for pinhole; overall accuracy was 88% for both.

107 nalogous to pinhole SPECT called the virtual-pinhole PET (VP-PET) geometry to determine whether it co

108 Pinhole PET resolved the smallest rods (diameter, 0.85 m

109 Contrast-to-noise ratios were better for pinhole PET when imaging small rods (<1.1 mm) for a wide

110 occlusion (1, 3, 7, and 14 days) for in vivo pinhole planar gamma camera imaging.

111 roximately $2500), when equipped with a $500 pinhole, represents a rapid and low-cost approach to the

112 transaxial direction that is consistent with pinhole resolution and in the axial direction that is co

113 Transaxial resolution is consistent with the pinhole-resolution formula.

114 Comparisons were made with planar pinhole scintimammography.

115 technique compared with conventional planar pinhole scintimammography.

116 ly, the absence or otherwise of residual Au "pinhole" sites) was tested by employing carbon monoxide,

117 both groups were incomplete and ranged from pinhole size to large.

118 Tumor size, pinhole size, and target-to-nontarget radioactivity rati

119 os were calculated to evaluate the effect of pinhole size.

120 geometry for PET system design analogous to pinhole SPECT called the virtual-pinhole PET (VP-PET) ge

121 High-resolution in vivo helical pinhole SPECT can be used to monitor and quantify early

122 trated the feasibility of using dual-isotope pinhole SPECT for high-resolution detection of perfusion

123 or measurement of perfusion defect size from pinhole SPECT images.

124 Pinhole SPECT is a promising technique for imaging and q

125 ctivity was developed and investigated using pinhole SPECT of brain tumor phantoms.

126 Pinhole SPECT sensitivity and resolution were characteri

127 Dual-isotope pinhole SPECT was used to image (99m)Tc-sestamibi uptake

128 tomography system with a pinhole collimator (pinhole SPECT) for high-resolution cardiovascular imagin

129 alitatively and quantitatively in mice using pinhole SPECT.

130 e developed dedicated ultra-high-sensitivity pinhole SPECT.

131 nce system (<3%) was superior to that on the pinhole system (5%).

132 ong scan times, a first-generation clustered-pinhole system can provide image quality in terms of res

133 the mouse brain was fully resolved using the pinhole system, with contrast to nearby regions equaling

134 high-energy collimator containing 162 narrow pinholes that are grouped in clusters.

135 , the pinholins, make much smaller holes, or pinholes, that serve only to depolarize the membrane.

136 Without the pinhole, the channel width was typically 300 mum wide.

137 On devices fabricated with the pinhole, the number of theoretical plates/m was 2.2-fold

138 ter ruling out diffusion through macroscopic pinholes, the protons are found to transfer through rare

139 of PCH and the possibility of transient PCH, pinhole thyroid imaging is performed 30 min after an int

140 of early and late pinhole (99m)Tc sestamibi, pinhole thyroid imaging, image subtraction, and single p

141 l length was 16 cm and the distance from the pinhole to the center of rotation was 13 cm.

142 al S(21)68 complexes have been designated as pinholes to distinguish from the micrometer-scale holes

143 film qualities (for example, grain size and pinholes) to high-quality MAPbI3-xBrx thin films followi

144 Fourteen children had a pinhole visual acuity <3/60 in the better eye, a prevale

145 A 3-mm pinhole was shown by the simulation study to be the opti

146 the 9-pinhole collimator with 8-mm diameter pinholes was 30% poorer than that for the parallel-hole

147 ator with 54 focused 2.0-mm-diameter conical pinholes was manufactured and mounted in a stationary sm

148 dyes on devices ablated with and without the pinhole were compared.

149 However, when 50 or 35 mum diameter pinholes were used, channel widths of 60 and 25 mum, res

150 1 with physical collimation using clustered pinholes, were used to acquire data from Jaszczak (hot r

151 Only TMD2 is required for the formation of pinholes, whereas TMD1 acts as an inhibitor of TMD2 and

152 21, which forms homo-heptameric channels, or pinholes, with a lumen of <2 nm.