Publications by authors named "A K Ivanov"

Importance: Although sharing care with local oncologists after allogeneic hematopoietic cell transplantation (HCT) has been proposed for patients living far from HCT centers, it is not known whether a shared strategy is safe or improves patient quality of life (QOL).

Objective: To determine the efficacy and safety of sharing follow-up care after HCT between the HCT specialty center and local oncologists.

Design, Setting, And Participants: This was a multicenter collaborative randomized clinical trial of patients undergoing HCT at Dana-Farber Cancer Institute (DFCI)-a high volume HCT center in Boston (Massachusetts)-and 8 local oncology practices.

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Aim: To study the associations between risk factors, clinical characteristics, severity of brachiocephalic artery (BCA) atherosclerosis and severity of coronary artery (CA) disease in patients with acute coronary syndrome (ACS).

Material And Methods: The study included patients with any type of ACS and obstructive coronary artery disease confirmed by coronary angiography. A quantitative analysis of coronary angiography data was performed with an assessment of the number of CAs with significant stenosis and calculation of the SYNTAX score.

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The first excited state of conjugated donor-acceptor molecules of C3 symmetry (octupolar molecules) is doubly degenerate. Such a doublet is known to be isomorphic to a spin 1/2. It is shown that a large electric dipole moment is associated with this spin.

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In vitro and in vivo effects of mesoporous silica nanoparticles (MSN) on the functional activity of platelets were studied in experiments on white rats. MSN particles, neither uncoated nor coated with calcium alginate, induced spontaneous platelet aggregation when added to platelet-rich plasma, but significantly enhanced ADP-induced platelet aggregation. Subcutaneous administration of uncoated and calcium alginate-coated MSN resulted in increased maximum size and rate of platelet aggregate formation 1 day post-injection.

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Precise sub-Ångstrom-level porosity engineering, which is appealing in gas separations, has been demonstrated in solid carbon, polymer, and framework materials but rarely achieved in the liquid phase. In this work, a gas molecular sieving effect in the liquid phase at sub-5 Ångstrom scale is created via sophisticated porosity tuning in calixarene-derived porous liquids (PLs). Type II PLs are constructed via supramolecular complexation between the sodium salts of calixarene derivatives and crown ether solvents.

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