Results 51 to 60 of about 316,500 (290)

A methionine‐lined active site governs carbocation stabilization and product specificity in a bacterial terpene synthase

FEBS Letters, EarlyView.
This study reveals a unique active site enriched in methionine residues and demonstrates that these residues play a critical role by stabilizing carbocation intermediates through novel sulfur–cation interactions. Structure‐guided mutagenesis further revealed variants with significantly altered product profiles, enhancing pseudopterosin formation. These
Marion Ringel, Carl P. O. Helmer, Shani Zev, Ronja Driller, Emily Buhr, Markus Reinbold, Renana Schwartz, Gabriel Foley, Mikael Boden, Daniel Garbe, Gerhard Schenk, Dan Thomas Major, Bernhard Loll, Thomas Brück   +13 more
wiley   +1 more source

A Wireless Power Conversion Chain With Fully On-Chip Automatic Resonance Tuning System for Biomedical Implants

IEEE Open Journal of Circuits and Systems
This paper presents a wireless power conversion system designed for biomedical implants, with integrated automatic resonance tuning. The automatic tuning mechanism improves power transfer efficiency (PTE) by finely tuning the resonant frequency of the ...
Mohammad Javad Karimi, Menghe Jin, Catherine Dehollain, Alexandre Schmid   +3 more
doaj   +1 more source

Pinch Resonances in a Radio Frequency Driven SQUID Ring-Resonator System [PDF]

, 2001
In this paper we present experimental data on the frequency domain response of a SQUID ring (a Josephson weak link enclosed by a thick superconducting ring) coupled to a radio frequency (rf) tank circuit resonator.
A. H. Nayfeh, A. R. Bulsara, A. R. Bulsara, C. H. van der Wal, D. Averin, H. Miyake, H. Prance, J. E. Zimmerman, J. F. Ralph, J. F. Ralph, J. R. Friedman, K. Gloss, K. K. Likharev, L. Gammaitoni, M. Everitt, M. Hasler, M. P. Soerensen, P. Silvestrini, P. Stiffell, R. J. Prance, R. J. Prance, R. Rouse, R. Whiteman, R. Whiteman, R. Whiteman, R. Whiteman, S. H. Strogatz, T. D. Clark, T. D. Clark, T. D. Clark, T. D. Clark, T. P. Orlando, T. P. Spiller, V. P. Koshelets, W. C. Schieve, Y. Makhlin, Y. Nakamura, Y. Nakamura   +37 more
core   +2 more sources

Combined 5‐aminolevulinic acid and ferric ammonium citrate treatment promotes hair follicle growth by activating dermal papilla cells

FEBS Open Bio, EarlyView.
5‐Aminolevulinic acid combined with ferric ammonium citrate (5‐ALA/FAC) stimulates dermal papilla cell activity and promotes hair follicle growth. The treatment enhances ERK and AKT signaling, increases hair‐inductive gene expression, and restores dermal papilla function suppressed by dihydrotestosterone and oxidative stress, resulting in enhanced hair
Han‐Wook Ryu, Eok‐Soo Oh, Sewoon Kim
wiley   +1 more source

Loops and Strings in a Superconducting Lattice Gauge Simulator [PDF]

, 2016
We propose an architecture for an analog quantum simulator of electromagnetism in 2+1 dimensions, based on an array of superconducting fluxonium devices.
Brennen, G. K., Pupillo, G., Rico, E., Stace, T. M., Vodola, D.   +4 more
core   +2 more sources

Feasibility and Tolerability of Performing Portable MRI for Neurological Disorders in an Outpatient Neurology Clinic: A Prospective Cohort

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Accessing brain magnetic resonance imaging (MRI) can be challenging, especially for underserved patients, which may lead to disparities in neurological diagnosis. Method This mixed‐methods study enrolled adults with one of four neurological disorders: mild cognitive impairment or dementia of the Alzheimer type, multiple sclerosis ...
Maya L. Mastick, Nomin Enkhtsetseg, Joseph Sadok, Matheus Mochetti, Annabel Sorby Adams, Jennifer Guo, Cristina Trapaga Hacker, Isabella Gomez Hjerthen, Seungwon Lee, Siddharth Satish, Andrew S. Ham, Justin Hill, Denis Balaban, Kevin Kyle, Rebecca L. Gillani, Marcelo Matiello, Aleksandar Videnovic, Eric C. Klawiter, W. Taylor Kimberly, Farrah J. Mateen   +19 more
wiley   +1 more source

Near real time seismic data from the coastal ocean [PDF]

, 2016
A moored-buoy system for collecting near real-time seismic data from the coastal ocean has been developed and will be deployed for its initial field trial in the fall of 2016.
Alonso Seyos, Xavier, Artero Delgado, Carola, Roset Juan, Francesc Xavier, Río Fernandez, Joaquín del, Toma, Daniel   +4 more
core   +1 more source

Representation Learning for Attributed Multiplex Heterogeneous Network

, 2019
Network embedding (or graph embedding) has been widely used in many real-world applications. However, existing methods mainly focus on networks with single-typed nodes/edges and cannot scale well to handle large networks. Many real-world networks consist
Bhagat Smriti, Bojchevski Aleksandar, Hamilton Will, Huang Xiao, Kingma Diederik P, Lin Zhouhan, Mikolov Tomas, Mikolov Tomas, Tang Lei, Taskar Ben, Thomas, Yang Cheng, Yang Zhilin, Zhang Hongming   +13 more
core   +1 more source

Revisiting Unsupervised Relation Extraction

, 2020
Unsupervised relation extraction (URE) extracts relations between named entities from raw text without manually-labelled data and existing knowledge bases (KBs).
Ananiadou, Sophia, Le, Phong, Tran, Thy Thy   +2 more
core   +1 more source

Sex Representation in US Stroke Clinical Trials: A Decade of Trends and Challenges

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Stroke remains a major cause of disability and mortality in the US, with significant sex‐based disparities, and females remain underrepresented in stroke clinical trials. We aimed to examine sex representation in US‐based stroke clinical trials, identify trial characteristics associated with higher female enrollment (≥ 50%), and ...
Chaitali Dagli, Mudasir Andrabi, Tova Cohen, Pranali G. Patel, Tapasya Katta, Chen Lin   +5 more
wiley   +1 more source