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Showing 1 to 12 of 113 entries
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New Blatter-type radicals from a bench-stable carbene.

Nature communications

Grant JA, Lu Z, Tucker DE, Hockin BM, Yufit DS, Fox MA, Kataky R, Chechik V, O'Donoghue AC.
PMID: 28504260
Nat Commun. 2017 May 15;8:15088. doi: 10.1038/ncomms15088.

Stable benzotriazinyl radicals (Blatter's radicals) recently attracted considerable interest as building blocks for functional materials. The existing strategies to derivatize Blatter's radicals are limited, however, and synthetic routes are complex. Here, we report that an inexpensive, commercially available, analytical...

Gait abnormalities in patients with chronic ankle instability can improve following a non-invasive biomechanical therapy: a retrospective analysis.

Journal of physical therapy science

Tenenbaum S, Chechik O, Bariteau J, Bruck N, Beer Y, Falah M, Segal G, Mor A, Elbaz A.
PMID: 28533609
J Phys Ther Sci. 2017 Apr;29(4):677-684. doi: 10.1589/jpts.29.677. Epub 2017 Apr 20.

[Purpose] The purpose of this study was to evaluate the changes in gait patterns and clinical outcomes of patients with chronic ankle instability (CAI) following treatment with a home-based non-invasive biomechanical device. [Subjects and Methods] Thirty-three patients with CAI...

Thermogenic potential and physiological relevance of human epicardial adipose tissue.

International journal of obesity supplements

Chechi K, Richard D.
PMID: 27152172
Int J Obes Suppl. 2015 Aug;5:S28-34. doi: 10.1038/ijosup.2015.8. Epub 2015 Aug 04.

Epicardial adipose tissue is a unique fat depot around the heart that shares a close anatomic proximity and vascular supply with the myocardium and coronary arteries. Its accumulation around the heart, measured using various imaging modalities, has been associated...

Using EPR spectroscopy as a unique probe of molecular-scale reorganization and solvation in self-assembled gel-phase materials.

Langmuir : the ACS journal of surfaces and colloids

Caragheorgheopol A, Edwards W, Hardy JG, Smith DK, Chechik V.
PMID: 25017326
Langmuir. 2014 Aug 05;30(30):9210-8. doi: 10.1021/la501641q. Epub 2014 Jul 22.

We describe the synthesis of spin-labeled bis-ureas which coassemble with bis-urea gelators and report on self-assembly as detected using electron paramagnetic resonance spectroscopy (EPR). Specifically, EPR detects the gel-sol transition and allows us to quantify how much spin-label is...

The frequency of BRCA1 founder mutation c.5266dupC (5382insC) in breast cancer patients from Ukraine.

Hereditary cancer in clinical practice

Gorodetska I, Serga S, Levkovich N, Lahuta T, Ostapchenko L, Demydov S, Anikusko N, Cheshuk V, Smolanka I, Sklyar S, Polenkov S, Boichenko O, Kozeretska I.
PMID: 26468334
Hered Cancer Clin Pract. 2015 Oct 13;13:19. doi: 10.1186/s13053-015-0040-3. eCollection 2015.

Germ-line mutations in several genes, such as BRCA1 and BRCA2, are known to increase the risk of breast cancer. These heritable mutations are unequally represented among populations with different ethnic background due to founder effects and thereby contribute to...

Auger stimulated ion desorption of negative ions via K-capture radioactive decay.

Physical review letters

Verkhoturov SV, Schweikert EA, Chechik V, Sabapathy RC, Crooks RM, Parilis ES.
PMID: 11461591
Phys Rev Lett. 2001 Jul 16;87(3):037601. doi: 10.1103/PhysRevLett.87.037601. Epub 2001 Jun 29.

We report on Auger stimulated ion desorption via Coulomb explosion from surface self-assembled alkylthiol and fluorocarbon molecular layers, triggered by K-capture decay of an imbedded radioactive 55Fe atom. The charge state of the ejecta is determined by charge exchange...

Increased pulmonary epithelial permeability in systemic sclerosis is associated with enhanced cutaneous nerve growth factor expression.

European journal of internal medicine

Piga M, Passiu G, Carta P, Satta L, Cherchi V, Pala R, Sanna G, Cauli A, Tuveri MA, Aloe L, Mathieu A.
PMID: 10854822
Eur J Intern Med. 2000 Jun;11(3):156-160. doi: 10.1016/s0953-6205(00)00084-4.

Background: Nerve growth factor (NGF), a neurotrophic factor that indirectly induces fibroblast proliferation and collagen production, has been found to be increased in the affected dermis of patients with systemic sclerosis (SSc). To investigate the possibility of a relationship...

EPR study of a place-exchange reaction on Au nanoparticles: two branches of a disulfide molecule do not adsorb adjacent to each other.

Journal of the American Chemical Society

Ionita P, Caragheorgheopol A, Gilbert BC, Chechik V.
PMID: 12148998
J Am Chem Soc. 2002 Aug 07;124(31):9048-9. doi: 10.1021/ja0265456.

An EPR study of a place-exchange reaction of a diradical disulfide with butanethiol-protected Au nanoparticles showed that the two branches of the disulfide molecule do not adsorb adjacent to each other on the Au surface. The most likely mechanism...

Polydisperse composition of mixed monolayer-protected, spin-labeled Au nanoparticles.

Analytical chemistry

Wellsted H, Sitsen E, Caragheorgheopol A, Chechik V.
PMID: 15053665
Anal Chem. 2004 Apr 01;76(7):2010-6. doi: 10.1021/ac035465x.

Using EPR spectroscopy and spin-labeled ligands, we have studied product distribution in the ligand exchange reactions of Au nanoparticles. When the incoming ligand was used in excess, the exchanged nanoparticles had uniform composition of the organic shell. Preparative GPC...

Bone allograft in revision total knee replacement.

Cell and tissue banking

Salai M, Dudkiewicz I, Blankstein A, Israeli A, Chechik A, Amit Y.
PMID: 15256938
Cell Tissue Bank. 2000;1(4):291-4. doi: 10.1023/A:1010179613607.

Revision total knee replacement (TKR) is often associated with the necessity to reconstruct a certain amount of bone loss. In a retrospective study we reviewed the records of 137 patients who had undergone revision TKR in our department between...

Versatile Utilization of Massive Bone Allografts in Orthopedic Surgery.

Cell and tissue banking

Salai M, Dudkiewitz I, Amit Y, Chechick A, Ganel A.
PMID: 15256949
Cell Tissue Bank. 2000;1(3):223-227. doi: 10.1023/A:1026532220406.

The clinical use of massive bone allografts in orthopaedic surgery has become common practice in tumour operations and primary and revision total joint replacement. In certain special clinical situations associated with large bone loss, such as trauma, limb-length discrepancy...

Prostatic Zn determination for prostate cancer diagnosis.

Talanta

Shilstein SSh, Cortesi M, Breskin A, Chechik R, Vartsky D, Raviv G, Kleinman N, Ramon J, Kogan G, Gladysh V, Moriel E, Huszar M, Volkov A, Fridman E.
PMID: 18970860
Talanta. 2006 Dec 15;70(5):914-21. doi: 10.1016/j.talanta.2006.05.053. Epub 2006 Jun 22.

We present our studies of prostatic Zn concentration measurements, carried out in the light of a novel prostate cancer (CAP) diagnosis method proposed by us. The method is based on in vivo prostatic Zn mapping by XRF trans-rectal probe....

Showing 1 to 12 of 113 entries