نتایج جستجو برای: therapeutic use
تعداد نتایج: 2043550 فیلتر نتایج به سال:
Purpose. To preliminarily evaluate the feasibility and accuracy of using rapid prototyping drill templates (RPDTs) for C1 lateral mass screw (C1-LMS) and C2 pedicle screw (C2-PS) placement. Methods. 23 formalin-fixed craniocervical cadaver specimens were randomly divided into two groups. In the conventional method group, intraoperative fluoroscopy was used to assist the screw placement. In the ...
A series of novel dithienylethene-based macrocycles containing ammonium moieties has been synthesized. They have been employed as templates to construct [2]catenanes showing their photoisomerization properties by means of a dynamic covalent chemistry approach. Their structures have been reliably confirmed by NMR, ESI-MS or MALDI-QTOF-MS, and elemental analysis, and their energy-minimized struct...
OBJECTIVES To evaluate the association between bisphosphonate use and the risk of atypical femoral fractures among women aged 65 or older. DESIGN Nested case-control study. SETTING General practice research database in Spain. EXPOSURES Use of oral bisphosphonates before the occurrence of atypical fractures among cases or the corresponding index date among controls. Bisphosphonate use was ...
Herein, we investigated the clinical value of concurrent radiochemotherapy for patients with advanced cervical cancer and its effects on adverse clinical symptoms. Forty patients with cervical cancer were recruited from January 2011 to January 2014 for this study. Participants were randomly allocated into a test or control group, with 20 patients in each group. Patients in the test group were t...
The ChEMBL database was mined to efficiently assemble an ion channel-focused screening library. The compiled library consists of 3241 compounds representing 123 templates across nine ion channel categories. Compounds in the screening library are annotated with their respective ion channel category to facilitate back-tracing of prospective molecular targets from phenotypic screening results. The...
OBJECTIVE To assess the non-radiologist physicians' knowledge on the use of ionizing radiation in imaging. MATERIALS AND METHODS Cross-sectional study utilizing an anonymous questionnaire responded by physicians in clinical and surgical specialties, divided into two parts as follows: one including questions about the physicians' characteristics, frequency of imaging studies requests and parti...
We have developed a computerized method for estimating patient setup errors in portal images based on localized pelvic templates for prostate cancer radiotherapy. The patient setup errors were estimated based on a template-matching technique that compared the portal image and a localized pelvic template image with a clinical target volume produced from a digitally reconstructed radiography (DRR...
Three contiguous fragments of Escherichia coli 5S rRNA were prepared by T7 transcription from synthetic DNA templates. The central fragment, comprising residues 33-71 of the molecule, was transcribed in the presence of 4-thiouridine triphosphate together with [32P]UTP. The three transcripts were ligated together, yielding a 5S rRNA analogue carrying 4-thiouridine residues at positions 40, 48, 5...
PURPOSE Diagnosing appendicitis may require adjunct studies such as computed tomography or ultrasound (US). Combining a clinical examination with surgeon-performed US (SPUS) may increase diagnostic accuracy and decrease radiation exposure and costs. METHODS A prospective study was conducted including children with a potential diagnosis of appendicitis. A surgery resident performed a clinical ...
RuvABC is a complex that promotes branch migration and resolution of Holliday junctions. Although ruv mutants are hypersensitive to UV irradiation, the molecular event(s) that necessitate RuvABC processing in vivo are not known. Here, we used a combination of two-dimensional gel analysis and electron microscopy to reveal that although ruvAB and ruvC mutants are able to resume replication follow...
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