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Synthesis, acute toxicities, and antitumor effects of novel 9-substituted beta-carboline derivatives.
- R. Cao, Q. Chen, +5 authors A. Xu
- Chemistry, Medicine
- Bioorganic & medicinal chemistry
- 1 September 2004
A series of novel 9-substituted beta-carboline derivatives was synthesized from harmine and l-tryptophan, respectively. Cytotoxic activities of these compounds in vitro were investigated. The results… Expand
Rescue Therapy for Helicobacter pylori Eradication: A Randomized Non-Inferiority Trial of Amoxicillin or Tetracycline in Bismuth Quadruple Therapy
- Q. Chen, W. Zhang, +4 authors H. Lu
- The American Journal of Gastroenterology
- 27 September 2016
Objectives:To compare the efficacy and safety of bismuth-containing quadruple therapy with tetracycline or amoxicillin for rescue treatment of Helicobacter pylori.Methods:The study was a… Expand
Study of structure and corrosion resistance of Fe-based amorphous coatings prepared by HVAF and HVOF
Abstract Fe-based amorphous coatings with a composition of Fe 49.7 Cr 18 Mn 1.9 Mo 7.4 W 1.6 B 15.2 C 3.8 Si 2.4 have been prepared on a mild steel substrate by High velocity air fuel (HVAF) and High… Expand
Comparing 2 Methods of Assessing 30-Day Readmissions: What is the Impact on Hospital Profiling in the Veterans Health Administration?
Background: The Centers for Medicare and Medicaid Services’ (CMS) all-cause readmission measure and the 3M Health Information System Division Potentially Preventable Readmissions (PPR) measure are… Expand
Experimental inoculation of neonatal piglets with feed naturally contaminated with porcine epidemic diarrhea virus
Corresponding author: Dr Angela E. Pillatzki, Department of Veterinary Diagnostic and Production Animal Medicine, Iowa State University, 1600 South 16th St, Ames, IA 50011. Dr Pillatzki is now with… Expand
Isotropic etch for SiO2 microcantilever release with ICP system
Inductively coupled plasma (ICP) system has been widely used for anisotropic silicon etching because it offers high aspect ratio with a vertical side wall. The isotropic etching capability of the ICP… Expand
Medical and Surgical Readmissions in the Veterans Health Administration: What Proportion are Related to the Index Hospitalization?
Background:Readmissions are an attractive quality measure because they offer a broad view of quality beyond the index hospitalization. However, the extent to which medical or surgical readmissions… Expand
Gravure printing of hybrid MoS2@S-rGO interdigitated electrodes for flexible microsupercapacitors
In this letter, we demonstrated gravure printing of hybrid MoS2@S-rGO consisting of sulfonated reduced graphene oxide (S-rGO) and MoS2 nanoflowers to obtain a highly porous pattern of interdigitated… Expand
Measuring readmissions after surgery: do different methods tell the same story?
- Q. Chen, Hillary J. Mull, A. Rosen, A. Borzecki, C. Pilver, K. Itani
- American journal of surgery
- 1 July 2016
BACKGROUND Readmission is widely used as a quality metric to assess hospital performance. However, different methods to calculate readmissions may produce various results, leading to differences in… Expand
Detecting adverse events in surgery: comparing events detected by the Veterans Health Administration Surgical Quality Improvement Program and the Patient Safety Indicators.
BACKGROUND The Patient Safety Indicators (PSIs) use administrative data to screen for select adverse events (AEs). In this study, VA Surgical Quality Improvement Program (VASQIP) chart review data… Expand