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Showing 1 to 12 of 55 entries
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Black carbon solar absorption suppresses turbulence in the atmospheric boundary layer.

Proceedings of the National Academy of Sciences of the United States of America

Wilcox EM, Thomas RM, Praveen PS, Pistone K, Bender FA, Ramanathan V.
PMID: 27702889
Proc Natl Acad Sci U S A. 2016 Oct 18;113(42):11794-11799. doi: 10.1073/pnas.1525746113. Epub 2016 Oct 04.

The introduction of cloud condensation nuclei and radiative heating by sunlight-absorbing aerosols can modify the thickness and coverage of low clouds, yielding significant radiative forcing of climate. The magnitude and sign of changes in cloud coverage and depth in...

Tuning the C-H···π Interaction by Different Substitutions in Benzene-Acetylene Complexes.

Journal of chemical theory and computation

Mishra BK, Karthikeyan S, Ramanathan V.
PMID: 26593828
J Chem Theory Comput. 2012 Jun 12;8(6):1935-42. doi: 10.1021/ct300100h. Epub 2012 May 02.

The influence of substitutions in aromatic moieties on the binding strength of their complexes is a subject of broad importance. Using a set of various substituted benzenes, Sherrill and co-workers ( J. Am. Chem. Soc. 2011 , 133 ,...

Modulation of Autophagy by a Small Molecule Inverse Agonist of ERRα Is Neuroprotective.

Frontiers in molecular neuroscience

Suresh SN, Chavalmane AK, Pillai M, Ammanathan V, Vidyadhara DJ, Yarreiphang H, Rai S, Paul A, Clement JP, Alladi PA, Manjithaya R.
PMID: 29686608
Front Mol Neurosci. 2018 Apr 09;11:109. doi: 10.3389/fnmol.2018.00109. eCollection 2018.

Mechanistic insights into aggrephagy, a selective basal autophagy process to clear misfolded protein aggregates, are lacking. Here, we report and describe the role of Estrogen Related Receptor α (ERRα, HUGO Gene Nomenclature ESRRA), new molecular player of aggrephagy, in...

Lifetime-filtered laser-induced exciplex fluorescence for crosstalk-free liquid-vapor imaging.

Optics letters

Douglawi A, Athmanathan V, Slipchenko MN, Gord JR, Meyer TR.
PMID: 30874660
Opt Lett. 2019 Mar 15;44(6):1399-1402. doi: 10.1364/OL.44.001399.

Laser-induced exciplex fluorescence is a well-established technique for liquid-vapor imaging in evaporating sprays that offers phase-dependent spectrally separated emission. However, the accuracy of this approach is limited by substantial crosstalk from the liquid to vapor phase signals. This Letter...

Chemical Biology Strategies to Study Autophagy.

Frontiers in cell and developmental biology

Mishra P, Ammanathan V, Manjithaya R.
PMID: 30538986
Front Cell Dev Biol. 2018 Nov 27;6:160. doi: 10.3389/fcell.2018.00160. eCollection 2018.

Growing amount of evidence in the last two decades highlight that macroautophagy (generally referred to as autophagy) is not only indispensable for survival in yeast but also equally important to maintain cellular quality control in higher eukaryotes as well....

Mineral and Bone Disorders After Kidney Transplantation.

Frontiers in medicine

Vangala C, Pan J, Cotton RT, Ramanathan V.
PMID: 30109232
Front Med (Lausanne). 2018 Jul 31;5:211. doi: 10.3389/fmed.2018.00211. eCollection 2018.

The risk of mineral and bone disorders among patients with chronic kidney disease is substantially elevated, owing largely to alterations in calcium, phosphorus, vitamin D, parathyroid hormone, and fibroblast growth factor 23. The interwoven relationship among these minerals and...

The landscape of renal replacement therapy in Veterans Affairs Medical Center intensive care units.

Renal failure

Vangala C, Shah M, Dave NN, Attar LA, Navaneethan SD, Ramanathan V, Crowley S, Winkelmayer WC.
PMID: 34261420
Ren Fail. 2021 Dec;43(1):1146-1154. doi: 10.1080/0886022X.2021.1949347.

RESULTS: Seventy-six centers completed the questionnaire, achieving a response rate of 87.4%. Fifty-five centers reported using PIRRT or CRRT in addition to intermittent hemodialysis. Of these centers, 42 reported being specifically CRRT-capable. Over half of respondents had the capabilities...

Insights from an awareness survey on Oral Submucous Fibrosis (OSMF).

Bioinformation

Karthikeyan H, Ramasubramanian A, Ramanathan V.
PMID: 34938000
Bioinformation. 2020 Dec 31;16(12):999-1006. doi: 10.6026/97320630016999. eCollection 2020.

Oral Submucous Fibrosis (OSMF) is characterized by Juxta-epithelial inflammation with oedema, fibroblasts, neutrophil and eosinophil inflammatory infiltrate. Therefore, it is of interest to gain insights from an awareness survey on ORAL SUBMUCOUS FIBROSIS (OSMF). The sample size was 100...

Experimental evidence on promotion of electric and improved biomass cookstoves.

Proceedings of the National Academy of Sciences of the United States of America

Pattanayak SK, Jeuland M, Lewis JJ, Usmani F, Brooks N, Bhojvaid V, Kar A, Lipinski L, Morrison L, Patange O, Ramanathan N, Rehman IH, Thadani R, Vora M, Ramanathan V.
PMID: 31118284
Proc Natl Acad Sci U S A. 2019 Jul 02;116(27):13282-13287. doi: 10.1073/pnas.1808827116. Epub 2019 May 22.

Improved cookstoves (ICS) can deliver "triple wins" by improving household health, local environments, and global climate. Yet their potential is in doubt because of low and slow diffusion, likely because of constraints imposed by differences in culture, geography, institutions,...

Aerosols, climate, and the hydrological cycle.

Science (New York, N.Y.)

Ramanathan V, Crutzen PJ, Kiehl JT, Rosenfeld D.
PMID: 11739947
Science. 2001 Dec 07;294(5549):2119-24. doi: 10.1126/science.1064034.

Human activities are releasing tiny particles (aerosols) into the atmosphere. These human-made aerosols enhance scattering and absorption of solar radiation. They also produce brighter clouds that are less efficient at releasing precipitation. These in turn lead to large reductions...

Reduction of tropical cloudiness by soot.

Science (New York, N.Y.)

Ackerman AS, Toon OB, Stevens DE, Heymsfield AJ, Ramanathan V, Welton EJ.
PMID: 10807573
Science. 2000 May 12;288(5468):1042-7. doi: 10.1126/science.288.5468.1042.

Measurements and models show that enhanced aerosol concentrations can augment cloud albedo not only by increasing total droplet cross-sectional area, but also by reducing precipitation and thereby increasing cloud water content and cloud coverage. Aerosol pollution is expected to...

Improving our fundamental understanding of the role of aerosol-cloud interactions in the climate system.

Proceedings of the National Academy of Sciences of the United States of America

Seinfeld JH, Bretherton C, Carslaw KS, Coe H, DeMott PJ, Dunlea EJ, Feingold G, Ghan S, Guenther AB, Kahn R, Kraucunas I, Kreidenweis SM, Molina MJ, Nenes A, Penner JE, Prather KA, Ramanathan V, Ramaswamy V, Rasch PJ, Ravishankara AR, Rosenfeld D, Stephens G, Wood R.
PMID: 27222566
Proc Natl Acad Sci U S A. 2016 May 24;113(21):5781-90. doi: 10.1073/pnas.1514043113.

The effect of an increase in atmospheric aerosol concentrations on the distribution and radiative properties of Earth's clouds is the most uncertain component of the overall global radiative forcing from preindustrial time. General circulation models (GCMs) are the tool...

Showing 1 to 12 of 55 entries