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Showing 13 to 24 of 1071 entries
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Synthesis of a resin monomer-soluble polyrotaxane crosslinker containing cleavable end groups.

Beilstein journal of organic chemistry

Seo JH, Nakagawa S, Hirata K, Yui N.
PMID: 25550723
Beilstein J Org Chem. 2014 Nov 10;10:2623-9. doi: 10.3762/bjoc.10.274. eCollection 2014.

A resin monomer-soluble polyrotaxane (PRX) crosslinker with cleavable end groups was synthesized to develop degradable photosetting composite resins. The PRX containing 50 α-cyclodextrins (α-CDs) with disulfide end groups was initially modified with n-butylamine to obtain a resin monomer-soluble PRX....

Effect of Chronic Morphine Consumption on Synaptic Plasticity of Rat's Hippocampus: A Transmission Electron Microscopy Study.

Neurology research international

Heidari MH, Amini A, Bahrami Z, Shahriari A, Movafag A, Heidari R.
PMID: 24379975
Neurol Res Int. 2013;2013:290414. doi: 10.1155/2013/290414. Epub 2013 Nov 28.

It is well known that the synapses undergo some changes in the brain during the course of normal life and under certain pathological or experimental circumstances. One of the main goals of numerous researchers has been to find the...

Inteins as indicators of gene flow in the halobacteria.

Frontiers in microbiology

Soucy SM, Fullmer MS, Papke RT, Gogarten JP.
PMID: 25018750
Front Microbiol. 2014 Jun 26;5:299. doi: 10.3389/fmicb.2014.00299. eCollection 2014.

This research uses inteins, a type of mobile genetic element, to infer patterns of gene transfer within the Halobacteria. We surveyed 118 genomes representing 26 genera of Halobacteria for intein sequences. We then used the presence-absence profile, sequence similarity...

Blockade of Rostral Ventrolateral Medulla (RVLM) Bombesin Receptor Type 1 Decreases Blood Pressure and Sympathetic Activity in Anesthetized Spontaneously Hypertensive Rats.

Frontiers in physiology

Pinto IS, Mourão AA, da Silva EF, Camargo AS, Marques SM, Gomes KP, Fajemiroye JO, da Silva Reis AA, Rebelo AC, Ferreira-Neto ML, Rosa DA, Freiria-Oliveira AH, Castro CH, Colombari E, Colugnati DB, Pedrino GR.
PMID: 27313544
Front Physiol. 2016 Jun 02;7:205. doi: 10.3389/fphys.2016.00205. eCollection 2016.

Intrathecal injection of bombesin (BBS) promoted hypertensive and sympathoexcitatory effects in normotensive (NT) rats. However, the involvement of rostral ventrolateral medulla (RVLM) in these responses is still unclear. In the present study, we investigated: (1) the effects of BBS...

Minimally invasive identification of degraded polyester-urethane magnetic tape using attenuated total reflection Fourier transform infrared spectroscopy and multivariate statistics.

Analytical chemistry

Cassidy BM, Lu Z, Fuenffinger NC, Skelton SM, Bringley EJ, Nguyen L, Myrick ML, Breitung EM, Morgan SL.
PMID: 26275025
Anal Chem. 2015 Sep 15;87(18):9265-72. doi: 10.1021/acs.analchem.5b01810. Epub 2015 Aug 26.

Audio recordings are a significant component of the world's modern cultural history and are retained for future generations in libraries, archives, and museums. The vast majority of tapes contain polyester-urethane as the magnetic particle binder, the degradation of which...

(18F)FDG-PET brain imaging during the micturition cycle in rats detects regions involved in bladder afferent signalling.

EJNMMI research

Deruyver Y, Rietjens R, Franken J, Pinto S, Van Santvoort A, Casteels C, Voets T, De Ridder D.
PMID: 26467154
EJNMMI Res. 2015 Dec;5(1):55. doi: 10.1186/s13550-015-0132-0. Epub 2015 Oct 15.

BACKGROUND: This feasibility study established an experimental protocol to evaluate brain activation patterns using fluorodeoxyglucose positron emission tomography ((18F)FDG-PET) during volume-induced voiding and isovolumetric bladder contractions in rats.METHODS: Female Sprague-Dawley rats were anaesthetized with urethane and underwent either volume-induced...

Genome-wide DNA methylation analysis of Haloferax volcanii H26 and identification of DNA methyltransferase related PD-(D/E)XK nuclease family protein HVO_A0006.

Frontiers in microbiology

Ouellette M, Jackson L, Chimileski S, Papke RT.
PMID: 25904898
Front Microbiol. 2015 Apr 08;6:251. doi: 10.3389/fmicb.2015.00251. eCollection 2015.

Restriction-modification (RM) systems have evolved to protect the cell from invading DNAs and are composed of two enzymes: a DNA methyltransferase and a restriction endonuclease. Although RM systems are present in both archaeal and bacterial genomes, DNA methylation in...

Evidence from phylogenetic and genome fingerprinting analyses suggests rapidly changing variation in Halorubrum and Haloarcula populations.

Frontiers in microbiology

Ram Mohan N, Fullmer MS, Makkay AM, Wheeler R, Ventosa A, Naor A, Gogarten JP, Papke RT.
PMID: 24782838
Front Microbiol. 2014 Apr 09;5:143. doi: 10.3389/fmicb.2014.00143. eCollection 2014.

Halobacteria require high NaCl concentrations for growth and are the dominant inhabitants of hypersaline environments above 15% NaCl. They are well-documented to be highly recombinogenic, both in frequency and in the range of exchange partners. In this study, we...

General Anesthetic Conditions Induce Network Synchrony and Disrupt Sensory Processing in the Cortex.

Frontiers in cellular neuroscience

Lissek T, Obenhaus HA, Ditzel DA, Nagai T, Miyawaki A, Sprengel R, Hasan MT.
PMID: 27147963
Front Cell Neurosci. 2016 Apr 14;10:64. doi: 10.3389/fncel.2016.00064. eCollection 2016.

General anesthetics are commonly used in animal models to study how sensory signals are represented in the brain. Here, we used two-photon (2P) calcium activity imaging with cellular resolution to investigate how neuronal activity in layer 2/3 of the...

Highly stretchable and mechanically stable transparent electrode based on composite of silver nanowires and polyurethane-urea.

ACS applied materials & interfaces

Kim DH, Yu KC, Kim Y, Kim JW.
PMID: 26135228
ACS Appl Mater Interfaces. 2015 Jul 22;7(28):15214-22. doi: 10.1021/acsami.5b04693. Epub 2015 Jul 10.

Transparent electrodes based on conventional indium-tin oxide (ITO) can hardly meet the requirements of future generations of stretchable electronic devices, including artificial skins, stretchable displays, sensors, and actuators, because they cannot retain high conductivity under substantial stretching and bending...

Dynamic Covalent Polymer Networks: from Old Chemistry to Modern Day Innovations.

Advanced materials (Deerfield Beach, Fla.)

Zou W, Dong J, Luo Y, Zhao Q, Xie T.
PMID: 28221707
Adv Mater. 2017 Apr;29(14). doi: 10.1002/adma.201606100. Epub 2017 Feb 21.

Dynamic covalent polymer networks have long been recognized. With the initial focus on the unintended impact of dynamic covalent linkages on the viscoelasticity of commercial rubbers, efforts in modern times have transitioned into designing dynamic covalent polymer networks with...

Electrophysiological evidence for change detection in speech sound patterns by anesthetized rats.

Frontiers in neuroscience

Astikainen P, Mällo T, Ruusuvirta T, Näätänen R.
PMID: 25452712
Front Neurosci. 2014 Nov 17;8:374. doi: 10.3389/fnins.2014.00374. eCollection 2014.

Human infants are able to detect changes in grammatical rules in a speech sound stream. Here, we tested whether rats have a comparable ability by using an electrophysiological measure that has been shown to reflect higher order auditory cognition...

Showing 13 to 24 of 1071 entries