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Showing 1 to 12 of 121 entries
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Determination of Halide Concentrations at the Interface of Zwitterionic Micelles by Chemical Trapping: Influence of the Orientation of the Dipole and the Nature of the Cation.

Journal of colloid and interface science

Cuccovia IM, Romsted LS, Chaimovich H.
PMID: 10550245
J Colloid Interface Sci. 1999 Dec 01;220(1):96-102. doi: 10.1006/jcis.1999.6511.

The interfacial concentrations of Cl(-) and Br(-) in aqueous zwitterionic micelles were determined by chemical trapping by analyzing product yields from spontaneous dediazoniation of micelle-bound 2,6-dimethyl-4-hexadecylbenzenediazonium ion. Interfacial concentrations of Cl(-) and Br(-) in 3-(N-hexadecyl-N, N-dimethylammonio) propane sulfonate, HPS,...

The role of arterial tissue susceptibility in atherogenesis.

Texas Heart Institute journal

Haimovici H.
PMID: 15227515
Tex Heart Inst J. 1991;18(1):81-3.

No abstract available.

Ion dehydration controls adsorption at the micellar interface: hydrotropic ions.

Physical chemistry chemical physics : PCCP

Lima FS, Andrade MFC, Mortara L, Gustavo Dias L, Cuccovia IM, Chaimovich H.
PMID: 29119186
Phys Chem Chem Phys. 2017 Nov 22;19(45):30658-30666. doi: 10.1039/c7cp05283a.

The properties of ionic micelles depend on the nature of the counterion, and these effects become more evident as the ion adsorption at the interface increases. Prediction of the relative extent of ion adsorption is required for rational design...

Counting ions and other nucleophiles at surfaces by chemical trapping.

Biophysical reviews

Cuccovia IM, da Silva Lima F, Chaimovich H.
PMID: 28852984
Biophys Rev. 2017 Oct;9(5):617-631. doi: 10.1007/s12551-017-0299-x. Epub 2017 Aug 29.

The interfaces of membranes and other aggregates are determined by the polarity, electrical charge, molecular volume, degrees of motional freedom and packing density of the head groups of the amphiphiles. These properties also determine the type of bound ion...

Relative entropy as a universal metric for multiscale errors.

Physical review. E, Statistical, nonlinear, and soft matter physics

Chaimovich A, Shell MS.
PMID: 20866366
Phys Rev E Stat Nonlin Soft Matter Phys. 2010 Jun;81(6):060104. doi: 10.1103/PhysRevE.81.060104. Epub 2010 Jun 29.

We show that the relative entropy, Srel, suggests a fundamental indicator of the success of multiscale studies, in which coarse-grained (CG) models are linked to first-principles (FP) ones. We demonstrate that Srel inherently measures fluctuations in the differences between...

Predicting 72-hour and 9-day return to the emergency department using machine learning.

JAMIA open

Hong WS, Haimovich AD, Taylor RA.
PMID: 31984367
JAMIA Open. 2019 Jul 01;2(3):346-352. doi: 10.1093/jamiaopen/ooz019. eCollection 2019 Oct.

OBJECTIVES: To predict 72-h and 9-day emergency department (ED) return by using gradient boosting on an expansive set of clinical variables from the electronic health record.METHODS: This retrospective study included all adult discharges from a level 1 trauma center...

Cleavage of Peptides from Amphibian Skin Revealed by Combining Analysis of Gland Secretion and in Situ MALDI Imaging Mass Spectrometry.

ACS omega

Brunetti AE, Marani MM, Soldi RA, Mendonça JN, Faivovich J, Cabrera GM, Lopes NP.
PMID: 30023919
ACS Omega. 2018 May 31;3(5):5426-5434. doi: 10.1021/acsomega.7b02029. Epub 2018 May 21.

Peptides from skin secretions of amphibians are considered important components of their immune system and also play a relevant role in their defense mechanism against predators. Herein, by using mass spectrometry (MS), we characterize the sequence of 13 peptides...

Structure and evolution of the sexually dimorphic integumentary swelling on the hands of dendrobatid poison frogs and their relatives (Amphibia: Anura: Dendrobatoidea).

Journal of anatomy

Cavalcanti IRS, Luna MC, Faivovich J, Grant T.
PMID: 34755350
J Anat. 2021 Nov 09; doi: 10.1111/joa.13569. Epub 2021 Nov 09.

The hands of adult males of many dendrobatid poison frogs and their relatives possess swelling formed by glandular tissue hypothesized to secrete courtship pheromones delivered to the female during cephalic amplexus. Variation in the occurrence and external morphology of...

Correction to: High extracellular ATP levels released through pannexin-1 channels mediate inflammation and insulin resistance in skeletal muscle fibres of diet-induced obese mice.

Diabetologia

Jorquera G, Meneses-Valdés R, Rosales-Soto G, Valladares-Ide D, Campos C, Silva-Monasterio M, Llanos P, Cruz G, Jaimovich E, Casas M.
PMID: 33792741
Diabetologia. 2021 Jun;64(6):1457. doi: 10.1007/s00125-021-05451-1.

No abstract available.

On the molecular mechanism of excitation-transcription coupling in skeletal muscle.

The Journal of general physiology

Casas M, Jorquera G, Morales C, Jaimovich E.
PMID: 34767013
J Gen Physiol. 2022 Sep 05;154(9). doi: 10.1085/ecc41. Epub 2021 Nov 12.

An important question in neuromuscular biology is how skeletal muscle cells decipher the stimulation pattern coming from motoneurons to define their phenotype-activating transcriptional changes in a process named excitation-transcription coupling. We have shown in adult muscle fibers that 20...

MUM-1 immunohistochemistry has high accuracy and reliability in the diagnosis of chronic endometritis: a multi-centre comparative study with CD-138 immunostaining.

Journal of assisted reproduction and genetics

Cicinelli E, Haimovich S, De Ziegler D, Raz N, Ben-Tzur D, Andrisani A, Ambrosini G, Picardi N, Cataldo V, Balzani M, Cicinelli R, Noventa M, Marin L, Greco P, Resta L, Saccardi C, Buzzaccarini G, Vitagliano A.
PMID: 34791588
J Assist Reprod Genet. 2021 Nov 17; doi: 10.1007/s10815-021-02356-1. Epub 2021 Nov 17.

PURPOSE: The current gold standard for chronic endometritis (CE) diagnosis is immunohistochemistry (IHC) for CD-138. However, IHC for CD-138 is not exempt from diagnostic limitations. The aim of our study was to evaluate the reliability and accuracy of MUM-1...

Sepsis Fluid Metric Compliance and its Impact on Outcomes of Patients with Congestive Heart Failure, End-Stage Renal Disease or Obesity.

The Journal of emergency medicine

Boccio E, Haimovich A, Jacob V, Maciejewski KR, Wira CR, Belsky J.
PMID: 34088547
J Emerg Med. 2021 Jun 02; doi: 10.1016/j.jemermed.2021.03.004. Epub 2021 Jun 02.

BACKGROUND: Emergency physicians express concern administering a 30-cc/kg fluid bolus to septic shock patients with pre-existing congestive heart failure (CHF), end-stage renal disease (ESRD), or obesity, due to the perceived risk of precipitating a fluid overload state.OBJECTIVE: Our aim...

Showing 1 to 12 of 121 entries