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Showing 1 to 12 of 691 entries
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Elucidation of the Fe(III) Gallate Structure in Historical Iron Gall Ink.

Analytical chemistry

Ponce A, Brostoff LB, Gibbons SK, Zavalij P, Viragh C, Hooper J, Alnemrat S, Gaskell KJ, Eichhorn B.
PMID: 27058399
Anal Chem. 2016 May 17;88(10):5152-8. doi: 10.1021/acs.analchem.6b00088. Epub 2016 Apr 25.

Synthetic, structural, spectroscopic and aging studies conclusively show that the main colorant of historical iron gall ink (IGI) is an amorphous form of Fe(III) gallate·xH2O (x = ∼1.5-3.2). Comparisons between experimental samples and historical documents, including an 18th century...

Evaluation of the Ser-His Dipeptide, a Putative Catalyst of Amide and Ester Hydrolysis.

Organic letters

MacDonald MJ, Lavis LD, Hilvert D, Gellman SH.
PMID: 27400366
Org Lett. 2016 Aug 05;18(15):3518-21. doi: 10.1021/acs.orglett.6b01279. Epub 2016 Jul 11.

Efficient hydrolysis of amide bonds has long been a reaction of interest for organic chemists. The rate constants of proteases are unmatched by those of any synthetic catalyst. It has been proposed that a dipeptide containing serine and histidine...

Speech delays and behavioral problems are the predominant features in individuals with developmental delays and 16p11.2 microdeletions and microduplications.

Journal of neurodevelopmental disorders

Rosenfeld JA, Coppinger J, Bejjani BA, Girirajan S, Eichler EE, Shaffer LG, Ballif BC.
PMID: 21731881
J Neurodev Disord. 2010 Mar;2(1):26-38. doi: 10.1007/s11689-009-9037-4.

Microdeletions and microduplications encompassing a ~593-kb region of 16p11.2 have been implicated as one of the most common genetic causes of susceptibility to autism/autism spectrum disorder (ASD). We report 45 microdeletions and 32 microduplications of 16p11.2, representing 0.78% of...

Browndye: A Software Package for Brownian Dynamics.

Computer physics communications

Huber GA, McCammon JA.
PMID: 21132109
Comput Phys Commun. 2010 Nov 01;181(11):1896-1905. doi: 10.1016/j.cpc.2010.07.022.

A new software package, Browndye, is presented for simulating the diffusional encounter of two large biological molecules. It can be used to estimate second-order rate constants and encounter probabilities, and to explore reaction trajectories. Browndye builds upon previous knowledge...

Modeling multiscale subbands of photographic images with fields of Gaussian scale mixtures.

IEEE transactions on pattern analysis and machine intelligence

Lyu S, Simoncelli EP.
PMID: 19229084
IEEE Trans Pattern Anal Mach Intell. 2009 Apr;31(4):693-706. doi: 10.1109/TPAMI.2008.107.

The local statistical properties of photographic images, when represented in a multi-scale basis, have been described using Gaussian scale mixtures. Here, we use this local description as a substrate for constructing a global field of Gaussian scale mixtures (FoGSMs)....

Variational Learning of Clusters of Undercomplete Nonsymmetric Independent Components.

Journal of machine learning research : JMLR

Chan K, Lee TW, Sejnowski TJ.
PMID: 21479123
J Mach Learn Res. 2002 Aug 01;3:99-114.

We apply a variational method to automatically determine the number of mixtures of independent components in high-dimensional datasets, in which the sources may be nonsymmetrically distributed. The data are modeled by clusters where each cluster is described as a...

Imaging Brain Dynamics Using Independent Component Analysis.

Proceedings of the IEEE. Institute of Electrical and Electronics Engineers

Jung TP, Makeig S, McKeown MJ, Bell AJ, Lee TW, Sejnowski TJ.
PMID: 20824156
Proc IEEE Inst Electr Electron Eng. 2001 Jul 01;89(7):1107-1122. doi: 10.1109/5.939827.

The analysis of electroencephalographic (EEG) and magnetoencephalographic (MEG) recordings is important both for basic brain research and for medical diagnosis and treatment. Independent component analysis (ICA) is an effective method for removing artifacts and separating sources of the brain...

Coupling the Level-Set Method with Molecular Mechanics for Variational Implicit Solvation of Nonpolar Molecules.

Journal of chemical theory and computation

Cheng LT, Xie Y, Dzubiella J, McCammon JA, Che J, Li B.
PMID: 20150952
J Chem Theory Comput. 2009 Feb 10;5(2):257-266. doi: 10.1021/ct800297d.

We construct a variational explicit-solute implicit-solvent model for the solvation of molecules. Central in this model is an effective solvation free-energy functional that depends solely on the position of solute-solvent interface and solute atoms. The total free energy couples...

Enhancing Cell therapies from the Outside In: Cell Surface Engineering Using Synthetic Nanomaterials.

Nano today

Stephan MT, Irvine DJ.
PMID: 21826117
Nano Today. 2011 Jun 01;6(3):309-325. doi: 10.1016/j.nantod.2011.04.001.

Therapeutic treatments based on the injection of living cells are in clinical use and preclinical development for diseases ranging from cancer to cardiovascular disease to diabetes. To enhance the function of therapeutic cells, a variety of chemical and materials...

A new correlation-based measure of spike timing reliability.

Neurocomputing

Schreiber S, Fellous JM, Whitmer D, Tiesinga P, Sejnowski TJ.
PMID: 20740049
Neurocomputing. 2003 Jun 01;52:925-931. doi: 10.1016/S0925-2312(02)00838-X.

We introduce a new correlation-based measure of spike timing reliability. Unlike other measures, it does not require the definition of a posteriori "events". It relies on only one parameter, which relates to the timescale of spike timing precision. We...

Primary Adenoid Cystic Carcinoma Presenting as an Orbital Apex Tumor.

Neuro-ophthalmology (Aeolus Press)

Venkitaraman R, Madhavan J, Ramachandran K, Abraham E, Rajan B.
PMID: 18698370
Neuroophthalmology. 2008;32(1):27-32. doi: 10.1080/01658100701818198.

Primary adenoid cystic carcinoma occurring in the orbital apex is rare. We present the clinical features of a patient who initially presented with the clinical and radiologic features of an orbital pseudotumor. He developed features of orbital apex syndrome...

The Neuronal Splicing Factor Nova Co-Localizes with Target RNAs in the Dendrite.

Frontiers in neural circuits

Racca C, Gardiol A, Eom T, Ule J, Triller A, Darnell RB.
PMID: 20407637
Front Neural Circuits. 2010 Mar 03;4:5. doi: 10.3389/neuro.04.005.2010. eCollection 2010.

Nova proteins are neuron-specific RNA binding proteins targeted by autoantibodies in a disorder manifest by failure of motor inhibition, and they regulate splicing and alternative 3' processing. Nova regulates splicing of RNAs encoding synaptic proteins, including the inhibitory glycine...

Showing 1 to 12 of 691 entries