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article

Intramuscular atenolol and levetiracetam reduce mortality in a rat model of paraoxon‐induced status epilepticus

Laxmikant S. Deshpande, Robert E. Blair, Matthew Halquist, Leon Kosmider, more

Annals of the New York Academy of Sciences > 1480 > 1 > 219 - 232

Organophosphorus (OP) compounds are chemical threat agents and are irreversible inhibitors of the enzyme acetylcholinesterase that lead to a hypercholinergic response that could include status epilepticus (SE). SE particularly targets the heart and brain and despite existing therapies, it is still associated with significant mortality and morbidity. Here, we investigated the effect of intramuscular...

article

High‐Performance BeMgZnO/ZnO Heterostructure Field‐Effect Transistors

Kai Ding, Vitaliy Avrutin, Natalia Izyumskaya, Ümit Özgür, more

physica status solidi (RRL) – Rapid Research Letters > 14 > 12 > n/a - n/a

Herein, the growth and fabrication of BeMgZnO/ZnO heterostructure field‐effect transistors (HFETs) are reported on, as well as their direct current (DC) and radio frequency (RF) characterization. With a high 2D electron gas density of ≈8 × 10¹² cm⁻², made possible by BeO and MgO coalloying in the barrier, typical drain currents of 0.24 A mm⁻¹ are obtained in Zn‐polar BeMgZnO/ZnO HFETs with a Be content...

article

A p‐Type Ferroelectric Field‐Effect Transistor Using Ultrathin Hafnium Aluminum Oxide

Chun-Hu Cheng, Chien Liu, Yi-Chun Tung, Hsuan-Han Chen, more

physica status solidi (RRL) – Rapid Research Letters > 14 > 12 > n/a - n/a

Herein, the electrical characteristics of a p‐type negative‐capacitance field‐effect transistor are investigated using an ultrathin 2.5 nm‐thick HfAlO_x. The optimized performance exhibits a steep subthreshold slope of 35 mV dec⁻¹, a negligible hysteresis of 4 mV, and a low off‐state current of 3 × 10⁻¹³A μm⁻¹. Appropriate aluminum doping into HfAlO_x film can not only improve the leakage current...

article

Atomic‐Layer‐Deposited Al₂O₃ as Effective Barrier against the Diffusion of Hydrogen from SiN_x:H Layers into Crystalline Silicon during Rapid Thermal Annealing

Lailah Helmich, Dominic C. Walter, Dennis Bredemeier, Jan Schmidt

physica status solidi (RRL) – Rapid Research Letters > 14 > 12 > n/a - n/a

Stacks of hydrogen‐lean aluminum oxide, deposited via plasma‐assisted atomic‐layer‐deposition, and hydrogen‐rich plasma‐enhanced chemical vapor‐deposited silicon nitride (SiN_x) are applied to boron‐doped float‐zone silicon wafers. A rapid thermal annealing (RTA) step is performed in an infrared conveyor‐belt furnace at different set‐peak temperatures. The hydrogen content diffused into the crystalline...

article

Electronic Band Topology of Monoclinic MoS₂ Monolayer: Study Based on Elementary Band Representations for Layer Groups

Ivanka Milošević, Zoran P. Popović, Božidar Nikolić, Milan Damnjanović

physica status solidi (RRL) – Rapid Research Letters > 14 > 12 > n/a - n/a

A monoclinic

1 T^{'} {- MoS}_{2}

monolayer is demonstrated to be a topological semimetal (spinless), or zero‐gap semiconductor (spinful, without spin–orbit coupling), or topologically trivial insulator (finite spin–orbit coupling). The latter contradicts a previous prediction that

1 T^{'} {- MoS}_{2}

exhibits quantum‐spin Hall (QSH) effect, and the reported value of

Z_{2}

‐invariant, calculated from inversion‐parity values...

article

The Role of Potassium in the Segregation of MAPb(Br_0.6I_0.4)₃ Mixed‐Halide Perovskite in Different Environments

Mehmet Derya Özeren, Bea Botka, Áron Pekker, Katalin Kamarás

physica status solidi (RRL) – Rapid Research Letters > 14 > 12 > n/a - n/a

Potassium addition to mixed‐halide perovskites is found to be a promising way to overcome their major stability issue, the segregation of the mixed phase to iodide and bromide‐rich regions. To fully exploit the potential of potassium addition, it is essential to achieve a better understanding of its working mechanism, and understand the limitations of the stabilization it provides. Photoluminescence...

article

Many‐Body Effects in Suspended Graphene Probed through Magneto‐Phonon Resonances

Stéphane Berciaud, Marek Potemski, Clément Faugeras

physica status solidi (RRL) – Rapid Research Letters > 14 > 12 > n/a - n/a

Micro‐magneto‐Raman scattering spectroscopy is made use of to probe magneto‐phonon resonances (MPR) in suspended mono‐ to pentalayer graphene. MPR correspond to avoided crossings between zone‐center optical phonons (G‐mode) and optically active inter‐Landau level (LL) transitions and provide a tool to perform LL spectroscopy at a fixed energy (≈197 meV) set by the G‐mode phonon. Using a single‐particle...

article

Synthesis of benzoylthiourea derivatives and analysis of their antibacterial performance against planktonic Staphylococcus aureus and its biofilms

L.C.S. Pinheiro, L.V.B. Hoelz, M.L.G. Ferreira, L.G. Oliveira, more

Letters in Applied Microbiology > 71 > 6 > 645 - 651

Following the appearance of several antimicrobial agents to control the spread of infections, two major challenges have emerged: (i) the occurrence and blowout of multiresistant bacteria and the increase of chronic diseases and (ii) difficult‐to‐eradicate infections. In this study, we tested five benzoylthiourea derivatives for their ability to inhibit and stop bacterial growth and evaluated the possible...

article

Global research trends on bioflocculant potentials in wastewater remediation from 1990 to 2019 using a bibliometric approach

K. Okaiyeto, T.C. Ekundayo, A.I. Okoh

Letters in Applied Microbiology > 71 > 6 > 567 - 579

The preference of biofloculants over chemical flocculants in water and wastewater remediation systems has gained wider attention due to their biodegradability, innocuousness, safety to human and environmental friendliness. The present study aimed to evaluate research outputs on bioflocculant potentials in wastewater remediation from 1990 to 2019 using bibliometric analyses. To the best of our knowledge,...

article

Identification and characterization of a halocin‐producing haloarchaeon isolated from Pachpadra salt lake

R. Kaur, S.K. Tiwari

Letters in Applied Microbiology > 71 > 6 > 620 - 626

Haloarchaea are known to produce antimicrobial proteins, halocins which are generally stable at extreme conditions suggesting their potential biotechnological applications. Here, we report a halocin‐producing haloarchaeon isolated from salt lake and identified as Haloferax larsenii HA4 using partial 16S rDNA sequence and biochemical properties. Whole‐cell methanolysate showed ether‐linked lipids,...

article

Feasibility and outcomes of fetoscopic endoluminal tracheal occlusion for severe congenital diaphragmatic hernia: A Japanese experience

Seiji Wada, Katsusuke Ozawa, Rika Sugibayashi, Fumio Suyama, more

Journal of Obstetrics and Gynaecology Research > 46 > 12 > 2598 - 2604

Aim To present the feasibility, safety and outcomes of fetoscopic endoluminal tracheal occlusion (FETO) for the treatment of severe congenital diaphragmatic hernia (CDH). Methods This was a single‐arm clinical trial of FETO for isolated left‐sided CDH with liver herniation and Kitano Grade 3 stomach position (>50% stomach herniation into the right chest). FETO was performed at 27–29 weeks of...

article

Best‐practice forestry management delivers diminishing returns for coral reefs with increased land‐clearing

Amelia S. Wenger, Daniel Harris, Samuel Weber, Ferguson Vaghi, more

Journal of Applied Ecology > 57 > 12 > 2381 - 2392

Protection of coastal ecosystems from deforestation may be the best way to protect coral reefs from sediment runoff. However, given the importance of generating economic activities for coastal livelihoods, the prohibition of development is often not feasible. In light of this, logging codes of practice have been developed to mitigate the impacts of logging on downstream ecosystems. However, no...

article

Umbilical cord management strategies at cesarean section

Sara Consonni, Isadora Vaglio Tessitore, Claudia Conti, Cristina Plevani, more

Journal of Obstetrics and Gynaecology Research > 46 > 12 > 2590 - 2597

Aim To evaluate the effect of different strategies to improve placental transfusion in cesarean section (CS). Methods Retrospective analysis of all singleton term pregnancies that underwent CS over 6 months. Delayed umbilical cord clamping (dUCC) was defined as one done at least 60 s after birth. Umbilical cord milking (UCM) was an option when waiting 60 s was deemed unsafe. The two strategies...

article

Relationship between age at menarche and chromosome numerical abnormalities in chorionic villus among missed abortions: A cross‐sectional study of 459 women in China

Lu Zhao, Hua Yang, Guoyan Liu

Journal of Obstetrics and Gynaecology Research > 46 > 12 > 2582 - 2589

Aims To assess the relationship between age at menarche and the numerical abnormalities of chorionic villi chromosomes in patients with missed abortion. Methods Unexplained miscarriage patients were admitted to an outpatient clinic in Tianjin Central Hospital of Gynecology Obstetrics, China. Embryonic villi tissues were collected aseptically after curettage. Chromosome analysis was performed subsequently...

article

Preoperative multidetector computed tomography for isolated surgical aortic valve replacement: Planning for future transcatheter options

Craig Basman, Karthik Seetharam, Joel Johnson, Jonathan M. Hemli, more

Journal of Cardiac Surgery > 35 > 12 > 3354 - 3361

Background Valve‐in‐valve (ViV) transcatheter aortic valve replacement (TAVR) has become a valuable option in patients with bioprosthetic failure. However, potential issues with ViV TAVR may occur in patients with high‐risk anatomy for coronary obstruction and patients with baseline smaller bioprosthetic valves at risk for patient prosthesis mismatch. The purpose of this study was, therefore, to...

article

Prosthetic valve abnormalities: Call for all hands on deck

Pratik S. Velangi, Gurmandeep S. Sandhu, Prabhjot S. Nijjar

Journal of Cardiac Surgery > 35 > 12 > 3678 - 3678

article

Left ventricular assist devices in the elderly: Marching forward with cautions

Parag C. Patel, Basar Sareyyupoglu, Si M. Pham

Journal of Cardiac Surgery > 35 > 12 > 3409 - 3411

Congestive heart failure is highly prevalent in the elderly population and left ventricular assist device (LVAD) has been increasingly used in this population. LVAD therapy is more costly than medical treatment but it increases the survival and quality of life of the elderly patients with low disease acuity. Therefore careful selection of candidates and implementation of LVAD therapy earlier in the...

article

Evaluating the impact of chronic obstructive pulmonary disease on in‐hospital outcomes following left ventricular assist device implantation

Bertrand Ebner, Jelani K. Grant, Louis Vincent, Jennifer Maning, more

Journal of Cardiac Surgery > 35 > 12 > 3374 - 3380

Background Chronic obstructive pulmonary disease (COPD) is a cause of ventricular dysfunction. However, in the setting of patients with heart failure undergoing left ventricular assist device (LVAD) implantation, there is a paucity of data on the association between COPD and in‐hospital outcomes. Methods and Results Retrospective cohort study based on the NIS including patients ≥18 years who underwent...

article

Exosomal microRNA‐139‐5p from mesenchymal stem cells accelerates trophoblast cell invasion and migration by motivation of the ERK/MMP‐2 pathway via downregulation of protein tyrosine phosphatase

Huijie Liu, Fang Wang, Ying Zhang, Yanling Xing, more

Journal of Obstetrics and Gynaecology Research > 46 > 12 > 2561 - 2572

Aim Exosomes present essential roles for intercellular interaction via extracellular pathways during systemic dysfunctions, including preeclampsia (PE). Here, we assessed the specific mechanism of mesenchymal stem cells (MSC)‐originated exosomes in PE. Methods The effects of exosomes on trophoblasts were studied by EdU, wound healing, Transwell and TUNEL assays. By microarray analysis, we found...

article

The clinical findings and outcomes of symptomatic pregnant women diagnosed with or suspected of having coronavirus disease 2019 in a tertiary pandemic hospital in Istanbul, Turkey

Ismail Alay, Sukru Yildiz, Cihan Kaya, Kadriye Kart Yasar, more

Journal of Obstetrics and Gynaecology Research > 46 > 12 > 2552 - 2560

Aim To observe the clinical course of symptomatic pregnant women diagnosed with or suspected of having COVID‐19. Methods This study analyzed the clinical and laboratory results of 27 patients with real‐time polymerase chain reaction (RT‐PCR)‐confirmed COVID‐19 and 25 patients with a suspected COVID‐19 diagnosis based on their symptoms and chest computed tomography (CT) findings. The patients' coagulation...

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Search results

Intramuscular atenolol and levetiracetam reduce mortality in a rat model of paraoxon‐induced status epilepticus

High‐Performance BeMgZnO/ZnO Heterostructure Field‐Effect Transistors

A p‐Type Ferroelectric Field‐Effect Transistor Using Ultrathin Hafnium Aluminum Oxide

Atomic‐Layer‐Deposited Al₂O₃ as Effective Barrier against the Diffusion of Hydrogen from SiN_x:H Layers into Crystalline Silicon during Rapid Thermal Annealing

Electronic Band Topology of Monoclinic MoS₂ Monolayer: Study Based on Elementary Band Representations for Layer Groups

The Role of Potassium in the Segregation of MAPb(Br_0.6I_0.4)₃ Mixed‐Halide Perovskite in Different Environments

Many‐Body Effects in Suspended Graphene Probed through Magneto‐Phonon Resonances

Synthesis of benzoylthiourea derivatives and analysis of their antibacterial performance against planktonic Staphylococcus aureus and its biofilms

Global research trends on bioflocculant potentials in wastewater remediation from 1990 to 2019 using a bibliometric approach

Identification and characterization of a halocin‐producing haloarchaeon isolated from Pachpadra salt lake

Feasibility and outcomes of fetoscopic endoluminal tracheal occlusion for severe congenital diaphragmatic hernia: A Japanese experience

Best‐practice forestry management delivers diminishing returns for coral reefs with increased land‐clearing

Umbilical cord management strategies at cesarean section

Relationship between age at menarche and chromosome numerical abnormalities in chorionic villus among missed abortions: A cross‐sectional study of 459 women in China

Preoperative multidetector computed tomography for isolated surgical aortic valve replacement: Planning for future transcatheter options

Prosthetic valve abnormalities: Call for all hands on deck

Left ventricular assist devices in the elderly: Marching forward with cautions

Evaluating the impact of chronic obstructive pulmonary disease on in‐hospital outcomes following left ventricular assist device implantation

Exosomal microRNA‐139‐5p from mesenchymal stem cells accelerates trophoblast cell invasion and migration by motivation of the ERK/MMP‐2 pathway via downregulation of protein tyrosine phosphatase

The clinical findings and outcomes of symptomatic pregnant women diagnosed with or suspected of having coronavirus disease 2019 in a tertiary pandemic hospital in Istanbul, Turkey

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