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42,687 results
  • Endovascular treatment for iatrogenic rupture of an iliac artery with severe tortuosity. [Case Reports]
    Radiol Case Rep. 2020 Aug; 15(8):1348-1353.Koide M, Fukui K, … Akabame S
  • Retroperitoneal hemorrhage due to iatrogenic rupture of the iliac artery is a life-threatening complication associated with endovascular intervention. We present a case of iatrogenic iliac rupture after insertion of a sheath into a severely tortuous iliac artery during coil embolization of a cerebral aneurysm. Bleeding was controlled by resuscitative endovascular balloon occlusion of the aorta fo…
  • A Novel Approach to Double the Sensitivity of Polarization Maintaining Interferometric Fiber Optic Gyroscope. [Letter]
    Sensors (Basel). 2020 Jul 05; 20(13)Zhang D, Liang C, Li N
  • In this paper, a novel optical approach to double the sensitivity to angular rate of interferometric fiber optic gyroscope (IFOG) is proposed. Two fiber polarization combiner/splitters (FPCSs), as the key components, are added in the traditional IFOG light path. The FPCSs are able to either combine two orthogonal polarizations transmitting at two different polarization-maintaining fibers (PMFs) i…
  • Nanoscale infrared probing of amyloid formation within the pleomorphic adenoma tissue. [Journal Article]
    Biochim Biophys Acta Gen Subj. 2020 Jul 04 [Online ahead of print]Paluszkiewicz C, Piergies N, … Kwiatek WM
  • CONCLUSIONS: The application of AFM-IR allows to determine changes in the protein secondary structures between the fibrils and the regions outside them. It has been proved that, for the former areas, the α-helix/random coil/ β-sheet components dominate, while for the latter regions the α-helix/random coil indicate the main contribution to the protein composition.The FT-IR results remain in good agreement with the AFM-IR data recorded for the areas outside the fibrils of the TM. This observation confirms that by means of the conventional FT-IR method the identification of the considered fibrils structure would be impossible. Only application of the AFM-IR nanospectroscopy allow for characterization and visualization of the fibrillization process occurring within the investigated tumour tissue.
  • A mm-Sized Free-Floating Wireless Implantable Opto-Electro Stimulation Device. [Journal Article]
    Micromachines (Basel). 2020 Jun 25; 11(6)Jia Y, Gong Y, … Ghovanloo M
  • Towards a distributed neural interface, consisting of multiple miniaturized implants, for interfacing with large-scale neuronal ensembles over large brain areas, this paper presents a mm-sized free-floating wirelessly-powered implantable opto-electro stimulation (FF-WIOS2) device equipped with 16-ch optical and 4-ch electrical stimulation for reconfigurable neuromodulation. The FF-WIOS2 is wirele…
  • Peptide-Mediated Liposome Fusion as a Tool for the Detection of Matrix Metalloproteinases. [Journal Article]
    Adv Biosyst. 2019 May; 3(5):e1800330.Mazur F, Chandrawati R
  • Biological cells continue to inspire the development of technologies toward rapid, sensitive, and selective detection of analytes. Membrane fusion is a key biological event in living cells that involves a highly selective recognition mechanism controlled by different functional proteins. Herein, liposome-liposome fusion mediated by coiled-coil forming peptides JR2EC and JR2KC to mimic biological …
  • In vivo 3D brain and extremity MRI at 50 mT using a permanent magnet Halbach array. [Journal Article]
    Magn Reson Med. 2020 Jul 05 [Online ahead of print]O'Reilly T, Teeuwisse WM, … Webb AG
  • CONCLUSIONS: This work has shown that it is possible to construct a low-field MRI unit with hardware components costing less than 10 000 Euros, which is able to acquire human images in vivo within a reasonable data-acquisition time. The system has a high degree of portability with magnet weight of approximately 75 kg, gradient and RF amplifiers each 15 kg, gradient coils 10 kg, and spectrometer 5 kg.
  • Genetically programmed changes in transcription of the novel progranulin regulator. [Journal Article]
    J Mol Med (Berl). 2020 Jul 03 [Online ahead of print]Keller M, Gebhardt C, … Kovacs P
  • Progranulin is a glycoprotein marking chronic inflammation in obesity and type 2 diabetes. Previous studies suggested PSRC1 (proline and serine rich coiled-coil 1) to be a target of genetic variants associated with serum progranulin levels. We aimed to identify potentially functional variants and characterize their role in regulation of PSRC1. Phylogenetic module complexity analysis (PMCA) priori…
  • Transcranial magnetic stimulation and gait disturbances in Parkinson's disease: A systematic review. [Review]
    Neurophysiol Clin. 2020 Jun 30 [Online ahead of print]Nardone R, Versace V, … Sebastianelli L
  • Transcranial magnetic stimulation (TMS) may offer a reliable means of characterizing important pathophysiologic aspects of motor impairments in Parkinson's disease (PD). Moreover, high-frequency repetitive TMS (rTMS), especially if delivered bilaterally over motor cortical regions, can have beneficial effects on parkinsonian motor symptoms. However, only a few studies have investigated the effect…
  • Connecting Coil-to-Globule Transitions to Full Phase Diagrams for Intrinsically Disordered Proteins. [Journal Article]
    Biophys J. 2020 Jun 23 [Online ahead of print]Zeng X, Holehouse AS, … Pappu RV
  • Phase separation is thought to underlie spatial and temporal organization that is required for controlling biochemical reactions in cells. Multivalence of interaction motifs, also known as stickers, is a defining feature of proteins that drive phase separation. Intrinsically disordered proteins with stickers uniformly distributed along the linear sequence can serve as scaffold molecules that driv…
  • Appearance of normal MRI anatomy of the lingual nerve using steady-state free precession sequences at 3-T. [Letter]
    J Biol Regul Homeost Agents. 2020 May-Jun; 34(3 Suppl. 1):19-26.DENTAL SUPPLEMENT, Mazza D, … Baggi L
  • The aim of this study is to assess the value of SSFP MRI sequence in depicting the normal anatomy of the lingual nerve (LN), particularly in the molar region, in order to help the periodontists, dentists and oral surgeons in their daily practice. The study group included 24 patients who were to undergo MR study for a reason unrelated to our purpose. All imaging was performed by using a 3.0T syste…
  • MRI findings of working and non-working tmj during nilateral molar clenching on hard bolus. [Journal Article]
    J Biol Regul Homeost Agents. 2020 May-Jun; 34(3 Suppl. 1):1-8.DENTAL SUPPLEMENT, Mazza D, … Baggi L
  • The aim of this study is to evaluate with MRI the TMJs behavior during one-side clenching on a hard bolus. The sample consisted of 13 patients. an MRI of TMJ using a 1.5 Tesla superconducting magnet and a dedicated surface coil was performed in all patients. Parasagittal scans of the TMJ (perpendicular to the long axis of the condyles) were made with the mouth closed, open and with a plastic thic…
  • Poly(vinylamine-co-N-isopropylacrylamide) linear polymer and hydrogels with tuned thermoresponsivity. [Journal Article]
    Soft Matter. 2020 Jul 03 [Online ahead of print]Fischer T, Demco DE, … Singh S
  • The fabrication of functional hydrogels with tuned thermoresponsivity is a major challenge. To meet this challenge we copolymerize N-isopropylacrylamide (NIPAm) with N-vinylformamide (NVF) in different ratios with the formamide group being subsequently selectively hydrolyzed to the corresponding amine (VAm). The copolymers are crosslinked with phenylcarbonate telechelic glycol. The influence of t…
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