Introduction And Importance: Esophageal perforation from endoscopic dilation is rare (0.53-0.6% incidence) but serious, with mortality rates of 12.
View Article and Find Full Text PDFDespite the importance of communication, radiology departments often depend on communication tools that were not created for the unique needs of imaging workflows, leading to frequent radiologist interruptions. The objective of this study was test the hypothesis that a novel asynchronous communication tool for the imaging workflow (RadConnect) reduces the daily average number of synchronous (in-person, telephone) communication requests for radiologists. We conducted a before-after study.
View Article and Find Full Text PDFBackground: Vietnam continues to have measles and rubella outbreaks following supplementary immunization activities (SIA) and routine immunization despite both having high reported coverage. To evaluate immunization activities, age-specific immunity against measles and rubella, and the number of averted Congenital Rubella Syndrome (CRS) cases, must be estimated.
Methods: Dried blood spots were collected from 2091 randomly selected individuals aged 1-39 years.
Acquired cystic disease-associated renal cell carcinoma (ACD-RCC) is a common subtype of renal cell carcinoma (RCC) in end-stage renal disease (ESRD) patients. The current systematic review and meta-analysis was performed to evaluate the clinicopathological, and genetic characteristics of patients with ACD-RCC. A systematic search on three electronic databases including the Pubmed, Scopus, and Web of Science databases were performed until December 31, 2022.
View Article and Find Full Text PDFBACKGROUND Esophageal leiomyoma is a rare condition, with an estimated incidence rate of 0.4% of all esophageal neoplasms. These tumors are typically small, rarely more than 5 cm.
View Article and Find Full Text PDFSpectrochim Acta A Mol Biomol Spectrosc
February 2023
The UV absorbance bands of 1,4-distyrylbenzene (1,4-Bis[(E)-2-phenylethenyl]benzene, DSB) are investigated by Synchrotron Radiation Linear Dichroism (SRLD) spectroscopy using stretched polyethylene as an anisotropic solvent. The observed polarization data provide information on the transition moment directions of the observed spectral features. The investigation covers the range 15,000-58,000 cm (667-172 nm), thereby providing new information on the transitions of DSB in the vacuum UV region.
View Article and Find Full Text PDFObjective: Esthesioneuroblastoma (ENB) is a rare malignancy of the sinonasal tract and its infrequency has confounded efforts at clearly describing the survival trends associated with this neoplasm over the years. In this study, we reviewed survival trends in ENB and investigated the impact of treatment extent and modality on patient outcomes.
Methods: We accessed the Surveillance, Epidemiology, and End Result (SEER) program to identify ENB cases from 1998 to 2016.
p-Terphenyl is used as a component in a variety of optical devices. In this investigation, the electronic transitions of p-terphenyl are investigated by synchrotron radiation linear dichroism (SRLD) spectroscopy in the range 30000-58000 cm (330-170 nm) on molecular samples aligned in stretched polyethylene, thereby extending the region investigated by polarization spectroscopy into the vacuum UV. The resulting partial absorbance curves reveal that the vacuum UV band system with a maximum at 55000 cm (180 nm) is predominantly short axis-polarized.
View Article and Find Full Text PDFCarbohydrate acetylesterases, which have a highly specific role among plant-interacting bacterial species, remove the acetyl groups from plant carbohydrates. Here, we determined the crystal structure of Est24, an octameric carbohydrate acetylesterase from Sinorhizobium meliloti, at 1.45 Å resolution and investigated its biochemical properties.
View Article and Find Full Text PDFThe peptidases in clan MH are known as cocatalytic zinc peptidases that have two zinc ions in the active site, but their metal preference has not been rigorously investigated. In this study, the molecular basis for metal preference is provided from the structural and biochemical analyses. Kinetic studies of Pseudomonas aeruginosa aspartyl aminopeptidase (PaAP) which belongs to peptidase family M18 in clan MH revealed that its peptidase activity is dependent on Co(2+) rather than Zn(2+): the kcat (s(-1)) values of PaAP were 0.
View Article and Find Full Text PDFActa Crystallogr F Struct Biol Commun
February 2014
The SGNH hydrolase family includes enzymes that catalyze the hydrolysis of a broad range of substrates. Here, the crystallization and preliminary X-ray crystallographic studies of a novel SGNH hydrolase (Est24) from Sinorhizobium meliloti were performed. Recombinant Est24 protein containing an N-terminal His tag was expressed in Escherichia coli and purified to homogeneity.
View Article and Find Full Text PDFSpectrochim Acta A Mol Biomol Spectrosc
September 2010
The electronic transitions of the three alpha,alpha'-dihydroxy derivatives of anthraquinone, 1,4-dihydroxy-, 1,8-dihydroxy-, and 1,5-dihydroxy-9,10-anthraquinone (quinizarin, chrysazin, and anthrarufin), were investigated by synchrotron radiation linear dichroism (SRLD) spectroscopy on samples aligned in stretched polyethylene. With synchrotron radiation, polarization data could be determined in the UV region up to ca. 58,000 cm(-1) (7.
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