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The patterns and costs of the Da Vinci robotic surgery system in a large academic institution.

Journal of robotic surgery

Prewitt R, Bochkarev V, McBride CL, Kinney S, Oleynikov D.
PMID: 27637212
J Robot Surg. 2008 May;2(1):17-20. doi: 10.1007/s11701-008-0075-9. Epub 2008 Apr 02.

The da Vinci ™Robotic System (dVRS) is the latest advancement in laparoscopic surgery allowing the surgeon more accurate and precise control of instrumentation with an added three-dimensional image. Technology comes with a price, $1.3 million. Due to charitable contributions...

New phase of ammonium nitrate: A monoclinic distortion of AN-IV.

The Journal of chemical physics

Steele BA, Oleynik II.
PMID: 26696068
J Chem Phys. 2015 Dec 21;143(23):234705. doi: 10.1063/1.4937420.

A new phase of ammonium nitrate (AN) is found using first principles evolutionary crystal structure search. It is this polymorph that is associated with the phase transition to previously unidentified phase, which was detected in experiment at 17 GPa...

Evaluation of Augmented Reality Feedback in Surgical Training Environment.

Surgical innovation

Zahiri M, Nelson CA, Oleynikov D, Siu KC.
PMID: 29115184
Surg Innov. 2018 Feb;25(1):81-87. doi: 10.1177/1553350617739425. Epub 2017 Nov 08.

Providing computer-based laparoscopic surgical training has several advantages that enhance the training process. Self-evaluation and real-time performance feedback are 2 of these advantages, which avoid dependency of trainees on expert feedback. The goal of this study was to investigate...

Yttrium 90 ibritumomab tiuxetan radioimmunotherapy for relapsed or refractory low-grade non-Hodgkin's lymphoma.

Seminars in oncology

Gordon LI, Witzig TE, Wiseman GA, Flinn IW, Spies SS, Silverman DH, Emmanuolides C, Cripe L, Saleh M, Czuczman MS, Olejnik T, White CA, Grillo-López AJ.
PMID: 28140097
Semin Oncol. 2002 Feb;29(1):87-92. doi: 10.1053/sonc.2002.30148.

The treatment of malignant lymphoma has improved over the past 20 years, but the majority of patients are not cured. New modalities using targeted therapy based on new information in molecular biology and immunology hold promise for better outcomes...

The current state of miniature in vivo laparoscopic robotics.

Journal of robotic surgery

Lehman AC, Rentschler ME, Farritor SM, Oleynikov D.
PMID: 25484938
J Robot Surg. 2007;1(1):45-9. doi: 10.1007/s11701-007-0019-9. Epub 2007 Feb 07.

Minimally invasive surgery (MIS) reduces patient trauma and shortens recovery time, but also limits the dexterity of the surgeon because degrees of freedom are lost due to the fulcrum effect of the entry incisions. Visual feedback is also limited...

PP113. NT-Pro-BNP: A predictor of adverse maternal outcomes in hypertensive gestational syndromes?.

Pregnancy hypertension

Cabo Fustaret MC, Escobar AM, Illia R, Uranga M, Rivas C, Lobenstein G, Olejnik P, Mayer H, Ramilo TP.
PMID: 26105436
Pregnancy Hypertens. 2012 Jul;2(3):301. doi: 10.1016/j.preghy.2012.04.224. Epub 2012 Jun 13.

INTRODUCTION: BNP (brain-type natriuretic peptide) is released by cardiomyocytes, as a pro-hormone, in response to parietal stress augmentation and systemic endothelial dysfunction, and then Pro-BNP is cleaved into: NT-Pro-BNP and BNP fragment in 1:1 ratio. BNP is considered an...

Electron crystallography for determining the handedness of a chiral zeolite nanocrystal.

Nature materials

Ma Y, Oleynikov P, Terasaki O.
PMID: 28459446
Nat Mater. 2017 Jul;16(7):755-759. doi: 10.1038/nmat4890. Epub 2017 May 01.

Chiral crystals can be exploited for applications in enantioselective separation and catalysis. However, the study of chirality at the atomic level in a sub-micrometre-sized crystal is difficult due to the lack of adequate characterization methods. Herein, we present two...

Determining Sample Size for Accurate Estimation of the Squared Multiple Correlation Coefficient.

Multivariate behavioral research

Algina J, Olejnik S.
PMID: 26777233
Multivariate Behav Res. 2000 Jan 01;35(1):119-37. doi: 10.1207/S15327906MBR3501_5.

While several resources are available to help researchers determine the minimum sample size needed to achieve target power for a wide variety of hypothesis tests, such resources are generally not available for determining the sample size when accurate parameter...

Scalable synthesis of activated carbon with superparamagnetic properties.

Chemical communications (Cambridge, England)

Schwickardi M, Olejnik S, Salabas EL, Schmidt W, Schüth F.
PMID: 17003874
Chem Commun (Camb). 2006 Oct 14;(38):3987-9. doi: 10.1039/b608231a. Epub 2006 Aug 08.

Magnetic activated carbons were obtained by in situ formation of coated superparamagnetic iron nanoparticles in the pores of carbons initially impregnated with ferric salt solution.

Pore structures of ordered large cage-type mesoporous silica FDU-12s.

The journal of physical chemistry. B

Yu T, Zhang H, Yan X, Chen Z, Zou X, Oleynikov P, Zhao D.
PMID: 17064096
J Phys Chem B. 2006 Nov 02;110(43):21467-72. doi: 10.1021/jp064534j.

The pore variations of ordered cage-type mesoporous silica FDU-12s have been analyzed in detail by PXRD, SAXS, nitrogen sorption, and electron crystallography. FDU-12s with a cubic symmetry (space group, Fmm) were templated by amphiphilic triblock copolymer F127 with the...

A practical method to detect and correct for lens distortion in the TEM.

Ultramicroscopy

Capitani GC, Oleynikov P, Hovmöller S, Mellini M.
PMID: 16046067
Ultramicroscopy. 2006 Jan;106(2):66-74. doi: 10.1016/j.ultramic.2005.06.003. Epub 2005 Jul 01.

A practical, offline method for experimental detection and correction for projector lens distortion in the transmission electron microscope (TEM) operating in high-resolution (HR) and selected area electron diffraction (SAED) modes is described. Typical TEM works show that, in the...

Broadband observations of the naked-eye gamma-ray burst GRB 080319B.

Nature

Racusin JL, Karpov SV, Sokolowski M, Granot J, Wu XF, Pal'shin V, Covino S, van der Horst AJ, Oates SR, Schady P, Smith RJ, Cummings J, Starling RL, Piotrowski LW, Zhang B, Evans PA, Holland ST, Malek K, Page MT, Vetere L, Margutti R, Guidorzi C, Kamble AP, Curran PA, Beardmore A, Kouveliotou C, Mankiewicz L, Melandri A, O'Brien PT, Page KL, Piran T, Tanvir NR, Wrochna G, Aptekar RL, Barthelmy S, Bartolini C, Beskin GM, Bondar S, Bremer M, Campana S, Castro-Tirado A, Cucchiara A, Cwiok M, D'Avanzo P, D'Elia V, Valle MD, de Ugarte Postigo A, Dominik W, Falcone A, Fiore F, Fox DB, Frederiks DD, Fruchter AS, Fugazza D, Garrett MA, Gehrels N, Golenetskii S, Gomboc A, Gorosabel J, Greco G, Guarnieri A, Immler S, Jelinek M, Kasprowicz G, La Parola V, Levan AJ, Mangano V, Mazets EP, Molinari E, Moretti A, Nawrocki K, Oleynik PP, Osborne JP, Pagani C, Pandey SB, Paragi Z, Perri M, Piccioni A, Ramirez-Ruiz E, Roming PW, Steele IA, Strom RG, Testa V, Tosti G, Ulanov MV, Wiersema K, Wijers RA, Winters JM, Zarnecki AF, Zerbi F, Mészáros P, Chincarini G, Burrows DN.
PMID: 18784718
Nature. 2008 Sep 11;455(7210):183-8. doi: 10.1038/nature07270.

Long-duration gamma-ray bursts (GRBs) release copious amounts of energy across the entire electromagnetic spectrum, and so provide a window into the process of black hole formation from the collapse of massive stars. Previous early optical observations of even the...

Showing 1 to 12 of 228 entries