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Showing 1 to 12 of 35 entries
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More standing and just as productive: Effects of a sit-stand desk intervention on call center workers' sitting, standing, and productivity at work in the Opt to Stand pilot study.

Preventive medicine reports

Chau JY, Sukala W, Fedel K, Do A, Engelen L, Kingham M, Sainsbury A, Bauman AE.
PMID: 26844191
Prev Med Rep. 2015 Dec 12;3:68-74. doi: 10.1016/j.pmedr.2015.12.003. eCollection 2016 Jun.

This study evaluated the effects of sit-stand desks on workers' objectively and subjectively assessed sitting, physical activity, and productivity. This quasi-experimental study involved one intervention group (n = 16) and one comparison group (n = 15). Participants were call...

Validating Dose Uncertainty Estimates Produced by AUTODIRECT: An Automated Program to Evaluate Deformable Image Registration Accuracy.

Technology in cancer research & treatment

Kim H, Chen J, Phillips J, Pukala J, Yom SS, Kirby N.
PMID: 28490254
Technol Cancer Res Treat. 2017 Dec;16(6):885-892. doi: 10.1177/1533034617708076. Epub 2017 May 11.

Deformable image registration is a powerful tool for mapping information, such as radiation therapy dose calculations, from one computed tomography image to another. However, deformable image registration is susceptible to mapping errors. Recently, an automated deformable image registration evaluation...

SU-E-J-201: What is the Importance of Dose Recalculation for Adaptive Radiotherapy Dose Assessment?.

Medical physics

Pukala J, Staton R, Langen K.
PMID: 28519011
Med Phys. 2012 Jun;39(6):3699. doi: 10.1118/1.4735041.

PURPOSE: To quantify the effect of using the planned dose distributions in lieu of performing dose recalculations on daily in-room images for adaptive radiotherapy (ART) dose assessment of head and neck cancer patients.METHODS: 16 patients with cancers of the...

Two-dimensional EPR imaging with the rapid scan and rotated magnetic field gradient.

Journal of magnetic resonance (San Diego, Calif. : 1997)

Czechowski T, Chlewicki W, Baranowski M, Jurga K, Szczepanik P, Szulc P, Tadyszak K, Kedzia P, Szostak M, Malinowski P, Wosinski S, Prukala W, Jurga J.
PMID: 25442781
J Magn Reson. 2014 Nov;248:126-30. doi: 10.1016/j.jmr.2014.09.022. Epub 2014 Oct 06.

A new method for fast 2D Electron Paramagnetic Resonance Imaging (EPRI) is presented. To reduce the time of projections acquisition we propose to combine rapid scan of Zeeman magnetic field using high frequency sinusoidal modulation with simultaneously applied magnetic...

Electron ionization and electrospray ionization mass spectrometric study of a series of isomeric N-chloro(or bromo)benzyl-substituted (E)-2'(3'- or 4')-hydroxy-4-stilbazole halides.

Rapid communications in mass spectrometry : RCM

Prukała D, Prukała W, Sikorski M.
PMID: 20213630
Rapid Commun Mass Spectrom. 2010 Apr 15;24(7):1059-65. doi: 10.1002/rcm.4471.

The electron ionization (EI) mass spectra and electrospray ionization (ESI) mass spectra of a series of isomeric N-chlorobenzyl- and N-bromobenzyl-substituted (E)-2'(3' or 4')-hydroxy-4-stilbazole chlorides and bromides (1-12) were recorded. The fragmentation pathways of all of the compounds and the...

Aggregation of solutes in bosonic versus fermionic quantum fluids.

Science advances

Feinberg AJ, Verma D, O'Connell-Lopez SMO, Erukala S, Tanyag RMP, Pang W, Saladrigas CA, Toulson BW, Borgwardt M, Shivaram N, Lin MF, Al Haddad A, Jäger W, Bostedt C, Walter P, Gessner O, Vilesov AF.
PMID: 34890219
Sci Adv. 2021 Dec 10;7(50):eabk2247. doi: 10.1126/sciadv.abk2247. Epub 2021 Dec 10.

[Figure: see text].

Aggregation of solutes in bosonic versus fermionic quantum fluids.

Science advances

Feinberg AJ, Verma D, O'Connell-Lopez SMO, Erukala S, Tanyag RMP, Pang W, Saladrigas CA, Toulson BW, Borgwardt M, Shivaram N, Lin MF, Al Haddad A, Jäger W, Bostedt C, Walter P, Gessner O, Vilesov AF.
PMID: 34890219
Sci Adv. 2021 Dec 10;7(50):eabk2247. doi: 10.1126/sciadv.abk2247. Epub 2021 Dec 10.

[Figure: see text].

Azodicarboxylate-free esterification with triphenylphosphine mediated by flavin and visible light: method development and stereoselectivity control.

Organic & biomolecular chemistry

März M, Kohout M, Neveselý T, Chudoba J, Prukała D, Niziński S, Sikorski M, Burdziński G, Cibulka R.
PMID: 30203820
Org Biomol Chem. 2018 Sep 19;16(36):6809-6817. doi: 10.1039/c8ob01822g.

Triphenylphosphine (Ph3P) activated by various electrophiles (e.g., alkyl diazocarboxylates) represents an effective mediator of esterification and other nucleophilic substitution reactions. We report herein an aza-reagent-free procedure using flavin catalyst (3-methyl riboflavin tetraacetate), triphenylphosphine, and visible light (448 nm), which...

Infrared Spectroscopy of Water and Zundel Cations in Helium Nanodroplets.

The journal of physical chemistry. A

Verma D, Erukala S, Vilesov AF.
PMID: 32628471
J Phys Chem A. 2020 Jul 30;124(30):6207-6213. doi: 10.1021/acs.jpca.0c05897. Epub 2020 Jul 21.

Here, we show that electron impact ionization of helium (He) droplets doped with water molecules and clusters yield water and Zundel cations embedded in the droplets consisting of a few thousand helium atoms. Infrared spectra in the OH-stretching range...

Functional Impact of Sequence Alterations Found in BRCA1 Promoter/5'UTR Region in Breast/Ovarian Cancer Families from Upper Silesia, Poland.

Hereditary cancer in clinical practice

Pamuła J, Krześniak M, Zientek H, Pekala W, Rusin M, Grzybowska E.
PMID: 20222999
Hered Cancer Clin Pract. 2006 Jan 15;4(1):20-4. doi: 10.1186/1897-4287-4-1-20.

The 5' region of BRCA1 contains multiple regulatory sequences flanking the two alternative promoters alpha and beta and two alternative, non-coding exons, 1a and 1b. Aberrations within the 5' region BRCA1 (encompassing two alternative promoters alpha and beta and...

Highly stereoselective synthesis, structure, and application of (E)-9-[2-(silyl)ethenyl]-9H-carbazoles.

The Journal of organic chemistry

Marciniec B, Majchrzak M, Prukała W, Kubicki M, Chadyniak D.
PMID: 16209606
J Org Chem. 2005 Oct 14;70(21):8550-5. doi: 10.1021/jo051629t.

(E)-N-(Silyl)vinylcarbazole has been easily prepared via a new catalytic route, silylative coupling (SC) of vinylcarbazole with vinyltrisubstituted silanes catalyzed by [RuH(Cl)(CO)(PCy3)2]. X-ray structures of two silylvinylcarbazoles as first N-vinylcarbazole derivatives have been resolved. The Pd-catalyzed Hiyama coupling reaction (also...

A Comparative Study of Shear Bond Strength of Direct Bonding System with and without a Liquid Primer: An .

Journal of pharmacy & bioallied sciences

Devatha AB, Lakshmi MN, Kumar NB, Erukala S, Valluri R, Ealla KKR.
PMID: 31920268
J Pharm Bioallied Sci. 2019 Nov;11:S515-S522. doi: 10.4103/jpbs.JPBS_259_18.

BACKGROUND: A primer in dental bonding agents enhances the bond between the adhesive and the tooth by way of deriding the tooth surface of moisture and creating a hydrophobic surface for the adhesive to bond and by facilitating the...

Showing 1 to 12 of 35 entries