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Showing 1 to 12 of 202 entries
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Role of Salt, Pressure, and Water Activity on Homogeneous Ice Nucleation.

The journal of physical chemistry letters

Espinosa JR, Soria GD, Ramirez J, Valeriani C, Vega C, Sanz E.
PMID: 28876070
J Phys Chem Lett. 2017 Sep 21;8(18):4486-4491. doi: 10.1021/acs.jpclett.7b01551. Epub 2017 Sep 06.

Pure water can be substantially supercooled below the melting temperature without transforming into ice. The achievable supercooling can be enhanced by adding solutes or by applying hydrostatic pressure. Avoiding ice formation is of great importance in the cryopreservation of...

A pulsating auroral X-ray hot spot on Jupiter.

Nature

Gladstone GR, Waite JH, Grodent D, Lewis WS, Crary FJ, Elsner RF, Weisskopf MC, Majeed T, Jahn JM, Bhardwaj A, Clarke JT, Young DT, Dougherty MK, Espinosa SA, Cravens TE.
PMID: 11875561
Nature. 2002 Feb 28;415(6875):1000-3. doi: 10.1038/4151000a.

Jupiter's X-ray aurora has been thought to be excited by energetic sulphur and oxygen ions precipitating from the inner magnetosphere into the planet's polar regions. Here we report high-spatial-resolution observations that demonstrate that most of Jupiter's northern auroral X-rays...

[ON "COMPREHENSION" IN PSYCHIATRY].

Revista argentina de neurologia y psiquiatria

HERRERA JJ, ESPINOSA NA.
PMID: 14322251
Rev Argent Neurol Psiquiatr. 1964 Jul-Dec;1:221-9.

No abstract available.

Silica gel containing sulfur, nitrogen and oxygen as adsorbent centers on surface for removing copper from aqueous/ethanolic solutions.

Talanta

Machado RS, da Fonseca MG, Arakaki LN, Espinola JG, Oliveira SF.
PMID: 18969434
Talanta. 2004 May 28;63(2):317-22. doi: 10.1016/j.talanta.2003.10.048.

Silica gel was modified firstly with aminepropyltrimethoxisilane obtaining the matrix named as SILNH(2). The SILNH(2) silica reacted subsequently with thioglycolic acid Sil-Ntga. The elemental analysis showed the presence of 0.98mmolg(-1) of organic moieties immobilized on silica. Infrared and (13)C...

Spontaneous Raman scattering in ultrasmall silicon waveguides.

Optics letters

Dadap JI, Espinola RL, Osgood RM, McNab SJ, Vlasov YA.
PMID: 15605495
Opt Lett. 2004 Dec 01;29(23):2755-7. doi: 10.1364/ol.29.002755.

We report spontaneous Raman scattering at 1550 nm in ultrasmall silicon-on-insulator (SOI) strip waveguides of 0.098-microm2 cross-sectional area. The submicrometer-scale dimensions provide tight optical confinement and, hence, highly efficient Raman scattering with milliwatt-level cw pump powers. The prospect of...

[Economic, social and professional inequities of state and municipal public health physicians; means of correcting them].

Revista paulista de medicina

ESPINOLA A.
PMID: 14876137
Rev Paul Med. 1951 Aug;39(2):206-7.

No abstract available.

Modeling the target acquisition performance of active imaging systems.

Optics express

Espinola RL, Jacobs EL, Halford CE, Vollmerhausen R, Tofsted DH.
PMID: 19532626
Opt Express. 2007 Apr 02;15(7):3816-32. doi: 10.1364/oe.15.003816.

Recent development of active imaging system technology in the defense and security community have driven the need for a theoretical understanding of its operation and performance in military applications such as target acquisition. In this paper, the modeling of...

The meaning of pausing.

Molecular cell

Espinosa JM.
PMID: 21095581
Mol Cell. 2010 Nov 24;40(4):507-8. doi: 10.1016/j.molcel.2010.11.025.

Pausing of RNA polymerase II (RNAPII) at the 5' end of genes is a widespread phenomenon in metazoans, but the role of this event in gene regulation is poorly understood. Gilchrist et al. (2010) now demonstrate that RNAPII pausing...

Structural characterization and quantitation of compound loading of disubstituted benzoates bound to Wang resin through high-resolution magic angle spinning NMR spectroscopy.

Magnetic resonance in chemistry : MRC

Blas J, Rivera-Sagredo A, Ferritto R, Espinosa JF.
PMID: 15386546
Magn Reson Chem. 2004 Nov;42(11):950-4. doi: 10.1002/mrc.1478.

The combination of 1D and 2D high-resolution magic angle spinning NMR experiments led to the assignment of the proton and carbon resonances for several disubstituted benzoates bound to a polystyrene resin through a Wang linker. It is shown that...

Measurement of long-range proton-carbon coupling constants from pure in-phase 1D multiplets.

Magnetic resonance in chemistry : MRC

Espinosa JF, Vidal P, Parella T, Gil S.
PMID: 21751246
Magn Reson Chem. 2011 Aug;49(8):502-7. doi: 10.1002/mrc.2782. Epub 2011 Jul 12.

The SELective INverse detection of carbon-proton CORrelation pulse sequence that yields a 1D spectrum of a proton directly bonded to a selected carbon resonance has been converted into a proton and carbon double-selective variant that provides a (1)H spectrum...

Public opinion of a stroke clinical trial using exception from informed consent.

International journal of emergency medicine

Goldstein JN, Espinola JA, Fisher J, Pallin DJ, Camargo CA.
PMID: 21373310
Int J Emerg Med. 2010 Nov 10;3(4):385-9. doi: 10.1007/s12245-010-0244-2.

BACKGROUND: Acute stroke is a leading cause of morbidity and mortality. Clinical trials in stroke are challenging because victims often do not have the capacity to provide informed consent, excluding those patients most likely to benefit from the research.AIM:...

Reply.

The Annals of thoracic surgery

Vrancic JM, Espinoza JC, Navia D.
PMID: 29233340
Ann Thorac Surg. 2018 Jan;105(1):333-334. doi: 10.1016/j.athoracsur.2017.05.006.

No abstract available.

Showing 1 to 12 of 202 entries