ライフサイエンスコーパス: single-photon emission

1 ed quantum emitters that exhibit high-purity single photon emission.

2 laritons, instead of the previously dominant single-photon emission.

3 ditions most suitable for the observation of single-photon emission.

4 y of seven heparin-binding peptides by using single photon emission and X-ray computed tomographic im

5 Using our solutions, we calculate the single-photon emission and scattering spectra, and find

6 We consider single-photon emission and scattering when the photon is

7 High-purity and photostable single photon emission at room temperature, together wit

8 th previously demonstrated indistinguishable single-photon emission at high repetition rates, the pre

9 l of 2342 patients (women n=760) completed a single photon emission computed tomographic exercise str

10 RP805 uptake in suprarenal aorta on micro-single photon emission computed tomographic images was s

11 Dual-isotope single photon emission computed tomographic/computed tom

12 animals underwent in vivo MMP-targeted micro-single photon emission computed tomographic/computed tom

13 bral blood flow increases can be detected by single photon emission computed tomography (ictal SPECT)

14 ognostic value of myocardial perfusion-gated single photon emission computed tomography (MPGS) compar

15 y (OMT) with the use of myocardial perfusion single photon emission computed tomography (MPS).

16 ows ready incorporation of radiohalogens for single photon emission computed tomography (SPECT) and p

17 ate the capabilities of combined preclinical single photon emission computed tomography (SPECT) and X

18 obable DLB from other causes of dementia, of single photon emission computed tomography (SPECT) brain

19 r positive findings and myocardial perfusion single photon emission computed tomography (SPECT) for e

20 We studied clinical information and single photon emission computed tomography (SPECT) image

21 MPI) offers technical benefits compared with single photon emission computed tomography (SPECT) MPI,

22 mean age, 59.4 years+/-9.7) with a positive single photon emission computed tomography (SPECT) myoca

23 Fifty symptomatic patients with recent single photon emission computed tomography (SPECT) myoca

24 Gated single photon emission computed tomography (SPECT) provi

25 The authors used [123I]5-I-A-85380 single photon emission computed tomography (SPECT) to ev

26 We used single photon emission computed tomography (SPECT) to im

27 hole thyroid imaging, image subtraction, and single photon emission computed tomography (SPECT) were

28 ears +/- 10) clinically referred for cardiac single photon emission computed tomography (SPECT) who w

29 Muscle MR imaging and single photon emission computed tomography (SPECT) with

30 e retained inside the tumors as monitored by Single Photon Emission Computed Tomography (SPECT) with

31 focus on positron emission tomography (PET), single photon emission computed tomography (SPECT), and

32 to [(123)I]- and [(125)I]-imaging agents for single photon emission computed tomography (SPECT), such

33 Using [123I]5-I-A-85380 single photon emission computed tomography (SPECT), the

34 ta-carbomethoxy-3beta-(4-iodophenyl)tropane) single photon emission computed tomography (SPECT), to a

35 ctrocardiographically (ECG)-gated blood pool single photon emission computed tomography (SPECT).

36 abnormal myocardial perfusion during stress single photon emission computed tomography (SPECT).

37 ging and CAC scoring on a hybrid, 64-section single photon emission computed tomography (SPECT)/compu

38 Biodistribution and single photon emission computed tomography (SPECT)/compu

39 Magnetic resonance (MR) imaging (n = 6) or single photon emission computed tomography (SPECT)/compu

40 aluated the feasibility of noninvasive micro-single photon emission computed tomography (SPECT)/compu

41 sion by echocardiography, MMP-targeted micro single photon emission computed tomography (SPECT)/compu

42 anoma lesions could be clearly visualized by single photon emission computed tomography (SPECT)/CT us

43 mography (CT) and (111)In-capromab pendetide single photon emission computed tomography (SPECT)/CT we

44 d for diagnostic imaging techniques, such as single photon emission computed tomography (SPECT, e.g.(

45 by gamma camera imaging (planar imaging and single photon emission computed tomography [SPECT]) the

46 ive value for myocardial scar as detected by single photon emission computed tomography analysis were

47 of both an inducible defect as assessed with single photon emission computed tomography and a luminal

48 ssed in vivo by technicium-labeled annexin V single photon emission computed tomography and ex vivo b

49 Lead compounds for PET/single photon emission computed tomography and fluoresce

50 aggression in schizophrenia, focusing on PET/single photon emission computed tomography and MRI metho

51 in the organs of mice was carried out using single photon emission computed tomography and quantitat

52 e and in 10 healthy comparison subjects with single photon emission computed tomography and the selec

53 Here we show in a mouse model that fused single photon emission computed tomography and x-ray com

54 y administration to mice was investigated by single photon emission computed tomography and X-ray com

55 Subtraction ictal and interictal single photon emission computed tomography can demonstra

56 Single photon emission computed tomography combined with

57 erapy groups was monitored with small-animal single photon emission computed tomography for 5 days.

58 has been shown to have good concordance with single photon emission computed tomography for the local

59 carbomethoxy-3beta-(4-iodophenyl) nortropane single photon emission computed tomography has been wide

60 y, functional magnetic resonance imaging and single photon emission computed tomography have all been

61 iolabeling with 99mTc for gamma detection or single photon emission computed tomography imaging (SPEC

62 indicate that (123)I-ABC577 may be a useful single photon emission computed tomography imaging maker

63 Single photon emission computed tomography imaging was c

64 me and perfusion magnetic resonance imaging, single photon emission computed tomography imaging, and

65 e imaging, positron emission tomography, and single photon emission computed tomography imaging, we f

66 upane (DaTscan) binding ratio measured using single photon emission computed tomography in patients w

67 (123)I-FP-CIT single photon emission computed tomography is a marker o

68 e availability of an amyloid-beta tracer for single photon emission computed tomography might increas

69 ial established the role for early adenosine single photon emission computed tomography myocardial pe

70 he INSPIRE trial showed that early adenosine single photon emission computed tomography myocardial pe

71 While the prognostic power of adenosine single photon emission computed tomography myocardial pe

72 y and stress myocardial perfusion imaging by single photon emission computed tomography or positron e

73 series of radioiodinated styrylpyridines as single photon emission computed tomography probes for im

74 e also received a standardized (123)I-FP-CIT single photon emission computed tomography scan at our i

75 (n=31) participated in one [123I]5-IA-85380 single photon emission computed tomography scan to quant

76 hed control subjects had a [(123)I]5IA-85380 single photon emission computed tomography scan to quant

77 We interrogated baseline single photon emission computed tomography scans of subj

78 Ventilation-lung single photon emission computed tomography showed a wide

79 Moreover, single photon emission computed tomography showed enhanc

80 ammaH2AX-Tat probes produced fluorescent and single photon emission computed tomography signals in th

81 ysis of 142 positron emission tomography and single photon emission computed tomography studies that

82 and 2 to 18 psychographies per month - using single photon emission computed tomography to scan activ

83 In this study, we assessed the novel single photon emission computed tomography tracer (123)I

84 aging using positron emission tomography and single photon emission computed tomography tracers quant

85 Postdosing dual-isotope single photon emission computed tomography with computed

86 h as Parkinson's disease with (123I)beta-CIT single photon emission computed tomography, and neurophy

87 uted tomography, magnetic resonance imaging, single photon emission computed tomography, and positron

88 imaging (MRI), positron emission tomography/single photon emission computed tomography, and VGKC-com

89 combined with computed tomography (CT), and single photon emission computed tomography, have been th

90 t Association class, 6-minute walk distance, single photon emission computed tomography, N-terminal p

91 techniques, including dynamic MRI, PET, and single photon emission computed tomography, provide meas

92 Ischemia was assessed using single photon emission computed tomography, with odds ra

93 Combination single photon emission computed tomography-computed tomo

94 maging cerebrovascular amyloid using MRI and single photon emission computed tomography.

95 um with [(123)I]iodobenzamide ([(123)I]IBZM) single photon emission computed tomography.

96 abeled ligand for imaging brain mGlu(5) with single photon emission computed tomography.

97 rter signal measured by dopamine transporter single photon emission computed tomography.

98 se, while maintaining similar specificity to single photon emission computed tomography.

99 ansporter density, measured by (123)I-FP-CIT single photon emission computed tomography.

100 le brain parenchyma and capillaries while 3D-single photon emission computed tomography/computed tomo

101 ocapsule clearance kinetics were measured by single photon emission computed tomography/computed tomo

102 n emission tomography/computed tomography or single photon emission computed tomography/computed tomo

103 racer administration, lymphoscintigraphy and single photon emission computed tomography/computed tomo

104 ssion tomography/computed tomography (CT) or single photon emission computed tomography/CT.

105 e rest and stress gated myocardial perfusion single-photon emission computed tomographic data were en

106 e the differential prognostic value of gated single-photon emission computed tomographic imaging (SPE

107 Nuclear single-photon emission computed tomographic imaging for

108 cardiography and stress echocardiography and single-photon emission computed tomographic imaging) in

109 labeled with technetium-99m radioisotope for single-photon emission computed tomographic imaging.

110 tion of short CNTs from the pleural space by single-photon emission computed tomographic imaging.

111 as to determine whether a normal stress-only single-photon emission computed tomographic myocardial p

112 Myocardial perfusion assessed using single-photon emission computed tomographic myocardial p

113 residual or recurrent angina and ischemia on single-photon emission computed tomographic myocardial p

114 oup of healthy subjects (n = 15) completed 1 single-photon emission computed tomographic scan.

115 e completed 2 iodine I 123-labeled iomazenil single-photon emission computed tomographic scans: 1 sca

116 to 0.61] vs. 52% [95% CI: 0.42 to 0.61]) or single-photon emission computed tomography (72% [95% CI:

117 ine whether gated adenosine Tc-99m sestamibi single-photon emission computed tomography (ADSPECT) cou

118 According to DAT single-photon emission computed tomography (DAT-SPECT) s

119 the prognostic value of myocardial perfusion single-photon emission computed tomography (MPS).

120 R, 0.14; 95% CI, 0.02-0.87), and better than single-photon emission computed tomography (pooled NLR,

121 R, 0.15; 95% CI, 0.05-0.44), and better than single-photon emission computed tomography (pooled NLR,

122 tron emission tomography (PET) (n = 548), or single-photon emission computed tomography (SPECT) (n =

123 ng cardiac magnetic resonance imaging (MRI), single-photon emission computed tomography (SPECT) and p

124 cess to magnetic resonance imaging (MRI) and single-photon emission computed tomography (SPECT) exami

125 rease specificity and accuracy of myocardial single-photon emission computed tomography (SPECT) imagi

126 undation appropriate use criteria for stress single-photon emission computed tomography (SPECT) imagi

127 =10% of the left ventricle [LV]) on exercise single-photon emission computed tomography (SPECT) imagi

128 In vivo micro-single-photon emission computed tomography (SPECT) imagi

129 trospectively performed studies using stress single-photon emission computed tomography (SPECT) imagi

130 abetic patients are candidates for screening single-photon emission computed tomography (SPECT) imagi

131 cal PARP-1 inhibitor olaparib as a potential single-photon emission computed tomography (SPECT) imagi

132 on top of myocardial perfusion imaging with single-photon emission computed tomography (SPECT) in pa

133 r the mechanism that affects the accuracy of single-photon emission computed tomography (SPECT) in th

134 to evaluate the prognostic value of exercise single-photon emission computed tomography (SPECT) in th

135 cardiovascular magnetic resonance (CMR) and single-photon emission computed tomography (SPECT) in th

136 MRS) and positron emission tomography (PET)/single-photon emission computed tomography (SPECT) inves

137 or coronary artery disease (CAD) with stress single-photon emission computed tomography (SPECT) is of

138 ients with suspected coronary heart disease, single-photon emission computed tomography (SPECT) is th

139 ocardial perfusion imaging (MPI) with Tc-99m single-photon emission computed tomography (SPECT) MPI w

140 cible myocardial ischemia during stress-rest single-photon emission computed tomography (SPECT) myoca

141 e aim of this study was to determine whether single-photon emission computed tomography (SPECT) myoca

142 decline in the prevalence of abnormal stress single-photon emission computed tomography (SPECT) myoca

143 apply published appropriateness criteria for single-photon emission computed tomography (SPECT) myoca

144 )I), as a reporter gene for cell tracking by single-photon emission computed tomography (SPECT) or po

145 injected into the tumors could be imaged by single-photon emission computed tomography (SPECT) or po

146 ffeine is commonly withheld before adenosine single-photon emission computed tomography (SPECT) perfu

147 cardial contrast echocardiography (MCE) with single-photon emission computed tomography (SPECT) relat

148 een coronary artery calcium score (CACS) and single-photon emission computed tomography (SPECT) resul

149 escent detection and imaging with whole-body single-photon emission computed tomography (SPECT) revea

150 r and serve as the radiotracer for follow-up single-photon emission computed tomography (SPECT) scann

151 [123I]-iodophenyl-pentadecanoic acid (BMIPP) single-photon emission computed tomography (SPECT) to de

152 using positron emission tomography (PET) or single-photon emission computed tomography (SPECT) to ev

153 TA, computed tomography perfusion (CTP), and single-photon emission computed tomography (SPECT) were

154 and dipyridamole (DP)-stress 99mTc sestamibi single-photon emission computed tomography (SPECT) were

155 icians currently use planar scintigraphy and single-photon emission computed tomography (SPECT) with

156 nary computed tomography angiography (CCTA), single-photon emission computed tomography (SPECT), and

157 ive myocardial perfusion imaging modalities, single-photon emission computed tomography (SPECT), card

158 ce (MR), positron emission tomography (PET), single-photon emission computed tomography (SPECT), phot

159 ce (CMR) imaging or technetium-99m sestamibi single-photon emission computed tomography (SPECT), with

160 been developed to aid in the optimal use of single-photon emission computed tomography (SPECT)-myoca

161 cardiovascular magnetic resonance (CMR) and single-photon emission computed tomography (SPECT).

162 luated using whole-body [(125)I]iodo-DPA-713 single-photon emission computed tomography (SPECT).

163 aging of 5-HT(4) receptors (5-HT(4)Rs) using single-photon emission computed tomography (SPECT).

164 myocardial hypoperfusion when combined with single-photon emission computed tomography (SPECT).

165 RI), positron emission tomography (PET), and single-photon emission computed tomography (SPECT).

166 al TSL and dox distribution were analyzed by single-photon emission computed tomography (SPECT)/compu

167 68)Ga-DOTATATE PET/CT, (111)In-pentetreotide single-photon emission computed tomography (SPECT)/CT an

168 omography (PET)/computed tomography (CT) and single-photon emission computed tomography (SPECT)/CT my

169 ts studied by adenosine stress, dual-isotope single-photon emission computed tomography (SPECT; follo

170 Among patients with demonstrable ischemia on single-photon emission computed tomography (summed diffe

171 Single-photon emission computed tomography and echocardi

172 me, and gastric emptying by combined (99m)Tc-single-photon emission computed tomography and scintigra

173 sment of cardiomyopathies, and, on occasion, single-photon emission computed tomography and such spec

174 ods for assessing myocardial viability using single-photon emission computed tomography are accurate,

175 i or tetrofosmin, and 18F-fluorodeoxyglucose single-photon emission computed tomography are validated

176 c resonance while using myocardial perfusion single-photon emission computed tomography as reference

177 Tc-methoxyisobutyl isonitrile (99(m)Tc-MIBI) single-photon emission computed tomography before cell d

178 Single-photon emission computed tomography combined with

179 Use of nuclear single-photon emission computed tomography decreased by

180 TIR from this study and myocardial perfusion single-photon emission computed tomography from previous

181 patients with diabetes mellitus referred for single-photon emission computed tomography had low rates

182 Myocardial perfusion single-photon emission computed tomography has been used

183 venous technetium-99m labeled CRIP for micro-single-photon emission computed tomography imaging 2, 4,

184 Using a combination of single-photon emission computed tomography imaging and a

185 Using micro-single-photon emission computed tomography imaging as a

186 ty and limitations of the prognostic role of single-photon emission computed tomography imaging for m

187 Using single-photon emission computed tomography imaging in aw

188 Single-photon emission computed tomography imaging is wi

189 te cancer xenograft models using optical and single-photon emission computed tomography imaging modal

190 Single-photon emission computed tomography imaging studi

191 Micro-single-photon emission computed tomography imaging was p

192 ived xenograft model using near-infrared and single-photon emission computed tomography imaging.

193 oE(-/-) mice were successfully identified by single-photon emission computed tomography imaging.

194 ally improved the usefulness of both PET and single-photon emission computed tomography in MRI-negati

195 entified through bioluminescence imaging and single-photon emission computed tomography in the PC3-ML

196 cardiography LVEF (r=-0.07, P=0.68) or gated single-photon emission computed tomography LVEF (r=-0.28

197 Imaging of the dopamine transporter using single-photon emission computed tomography may be of par

198 d tomography or positron-emission tomography/single-photon emission computed tomography may improve t

199 s mellitus who underwent quantitative, gated single-photon emission computed tomography MPI.

200 patients with diabetes mellitus referred for single-photon emission computed tomography myocardial pe

201 Although single-photon emission computed tomography myocardial pe

202 analyses revealed that compared with stress single-photon emission computed tomography or positron e

203 r computed tomography angiography than after single-photon emission computed tomography or positron e

204 ents for near-infrared fluorescence imaging, single-photon emission computed tomography or positron e

205 g with dual-isotope simultaneous acquisition single-photon emission computed tomography or positron-e

206 ission computed tomography with LV perfusion single-photon emission computed tomography or with cardi

207 Single-photon emission computed tomography quantificatio

208 e predictive value on (123)I-MIBG planar and single-photon emission computed tomography results over

209 Using a micro-single-photon emission computed tomography small-animal

210 to 2006, 788 consecutive patients undergoing single-photon emission computed tomography stress perfus

211 l of MCAM-targeting antibodies, we performed single-photon emission computed tomography studies using

212 trols, using positron emission tomography or single-photon emission computed tomography to measure in

213 G early and late heart:mediastinum ratio and single-photon emission computed tomography total defect

214 G early and late heart:mediastinum ratio and single-photon emission computed tomography total defect

215 G early and late heart:mediastinum ratio and single-photon emission computed tomography total defect

216 201Tl single-photon emission computed tomography viability stu

217 In the future single-photon emission computed tomography viability tec

218 In a subset of patients, (99m)Tc-sestamibi single-photon emission computed tomography was performed

219 imaging using the 123I-ioflupane ligand with single-photon emission computed tomography was recently

220 , and sex-matched healthy controls underwent single-photon emission computed tomography with iodine 1

221 Image fusion of labeled cell single-photon emission computed tomography with LV perfu

222 e-photon emission computed tomography, 99mTc single-photon emission computed tomography with sestamib

223 By using single-photon emission computed tomography with the beta

224 Using molecular imaging, specifically single-photon emission computed tomography with the nACh

225 mass (PHM), and liver and spleen volumes (by single-photon emission computed tomography) were measure

226 201Tl single-photon emission computed tomography, 99mTc single

227 nance imaging, positron emission tomography, single-photon emission computed tomography, and biolumin

228 Magnetic resonance imaging, perfusion single-photon emission computed tomography, and fluorode

229 Compared with myocardial perfusion single-photon emission computed tomography, cardiovascul

230 dial blood flow, other modalities, including single-photon emission computed tomography, computed tom

231 accuracy of myocardial perfusion imaging by single-photon emission computed tomography, echocardiogr

232 After a single administration, single-photon emission computed tomography, histology, a

233 d tomography, cone beam computed tomography, single-photon emission computed tomography, hybrid metho

234 f coronary artery disease undergoing cardiac single-photon emission computed tomography, positron emi

235 y imaging, magnetic resonance imaging (MRI), single-photon emission computed tomography, positron emi

236 use of radiocolloid, followed if possible by single-photon emission computed tomography, remains the

237 onuclide, (111)In, also allowed detection by single-photon emission computed tomography, thus combini

238 with the findings of invasive EEG and ictal single-photon emission computed tomography, using postsu

239 ods for assessing myocardial viability using single-photon emission computed tomography, with an emph

240 Single-photon emission computed tomography-based myocard

241 e positive and negative predictive values of single-photon emission computed tomography-based viabili

242 without stress testing or performing stress single-photon emission computed tomography-marginally mi

243 Acute rest single-photon emission computed tomography-myocardial pe

244 afts using near infrared imaging and (111)In single-photon emission computed tomography.

245 nanotubes in mice was tracked in vivo using single-photon emission computed tomography.

246 AD by CMR compared with conventional nuclear single-photon emission computed tomography.

247 beled NTI analogues warrant further study by single-photon emission computed tomography.

248 on year for stress echocardiography, CTA, or single-photon emission computed tomography.

249 Using single-photon emission computed tomography/computed tomo

250 of cardiovascular (CV) patients using hybrid single-photon emission computed tomography/computed tomo

251 In vivo dual-isotope single-photon emission computed tomography/computed tomo

252 95 in tumor-bearing mice was corroborated by single-photon emission computed tomography/computed tomo

253 avital microscopy, histology, and integrated single-photon emission computed tomography/computed tomo

254 emission tomography/computed tomography and single-photon emission computed tomography/computed tomo

255 In vivo application of 99mTc-tilmanocept single-photon emission computed tomography/computed tomo

256 olution dual-isotope planar and hybrid micro-single-photon emission computed tomography/CT imaging st

257 g half-time [GE t(1/2)]); gastric volumes by single-photon emission computed tomography; maximum tole

258 edical therapy with or without CABG, we used single-photon-emission computed tomography (SPECT), dobu

259 which was detected using optical imaging or single-photon-emission computed tomography (SPECT), resp

260 991 patients undergoing myocardial-perfusion single-photon-emission computed tomography during stress

261 The follow-up visual summed stress single-photon-emission computed tomography scores were n

262 We used single-photon-emission-computed-tomography (SPECT) in co

263 Single Photon Emission Computerized Tomography (SPECT) i

264 both positron emission tomography (PET) and single photon emission computerized tomography (SPECT).

265 nhanced myocardial echocardiography [MCE] to single photon emission computerized tomography [ECG-GATE

266 Single photon emission computerized tomography imaging f

267 c neurons assessed with dopamine transporter single photon emission computerized tomography, and perf

268 obvious differences on dopamine transported single photon emission computerized tomography.

269 0 control subjects received (123)I-ioflupane single photon emission computerized tomography.

270 d was correlated with cardiac biomarkers and single photon emission CT (SPECT) myocardial perfusion i

271 tudies, and was supported by the findings of single photon emission CT DaTSCAN imaging in one patient

272 ized tomography (Xenon CT), CT perfusion and single photon emission CT provide measurements of cerebr

273 ities, such as positron emission tomography, single photon emission CT, magnetic resonance imaging, a

274 e prognostic utility of myocardial perfusion single-photon emission CT (MPS) in patients with varying

275 quantitative coronary angiography (QCA) and single-photon emission CT (SPECT) or QCA alone.

276 MRS), positron emission tomography (PET) and single-photon emission CT (SPECT) to early diagnosis, tr

277 he use of the high sensitivity of a combined single-photon emission CT (SPECT)/CT scanner, the in viv

278 sychosis and positron emission tomography or single-photon emission CT findings in temporal plus extr

279 vely assess the insulinoma detection rate of single-photon emission CT in combination with CT (SPECT/

280 ard of conventional coronary angiography and single-photon emission CT myocardial perfusion imaging.

281 ac stress magnetic resonance imaging, stress single-photon emission CT, and stress echocardiography.

282 ng targets for positron-emission tomography, single-photon-emission CT, and magnetic resonance spectr

283 We demonstrate electrically driven single-photon emission from localized sites in tungsten

284 Here we demonstrate single-photon emission from quantum-dots coupled to phot

285 apable of fluctuation-free, room-temperature single-photon emission in the 1,100-1,300 nm wavelength

286 hrough staining for enzyme activity or micro single photon emission tomography (micro-SPECT) or immun

287 However, individual studies using single photon emission tomography (SPECT) or positron em

288 be achieved using several methods, including single photon emission tomography (SPECT) positron emiss

289 al artery occlusion in a porcine model using single photon emission tomography (SPECT)/CT imaging wit

290 aging, positron emission tomography (PET) or single photon emission tomography (SPET) can measure cha

291 as with such avidity that it was observed in single photon emission tomography images as late as 24 h

292 t molecules for positron emission tomography single photon emission tomography optical, and magnetic

293 Promising diagnostic modalities such as single photon emission tomography require further study

294 ut nuclear myocardial perfusion imaging with single-photon emission tomography (SPECT) or positron em

295 action of 45% or less, a perfusion defect by single-photon emission tomography (SPECT), and coronary

296 Previous studies of SNL used single-photon emission tomography (SPECT), did not accou

297 ronary artery disease (CAD) in comparison to single-photon emission tomography (SPECT).

298 Single-photon emission tomography was found to be noninf

299 quantify apoptosis in vivo when coupled with single-photon emission tomography.

300 Here we demonstrate blue single-photon emission with electrical injection from an