Results 101 to 110 of about 16,827 (243)

Nickel‐Free Synthesis of Poly(pyrene‐4,5,9,10‐tetraone) for Sodium‐based Batteries: Insights into Electrode Architecture and Reversible Na‐ion Insertion

Advanced Energy Materials, EarlyView.
A nickel‐free and practical synthesis strategy to poly(pyrene tetraone) and its integration with a percolated CNTs/Ketjen Black network enables stable cycling and efficient energy storage in a sodium‐based batteries. This work demonstrates how controlling polymer structure and electrode architecture improves ion transport and mitigates dissolution in ...
Md. Adil, Robin Wessling, Nico Kokott, Elena Mena‐Osteritz, Benedikt Prifling, Markus Osenberg, Thomas Diemant, Volker Schmidt, Ingo Manke, Birgit Esser   +9 more
wiley   +1 more source

Karakterisasi Data Mikrotremor Berdasarkan Analisis Kurva HVSR, Particle Motion, Dan Time Frequency Analysis Pada Sistem Sungai Kedung Banteng, Pacitan, Jawa Timur [PDF]

, 2018
Penelitian tugas akhir ini bertujuan untuk mengarakterisasi data mikrotremor pada sistem sungai di Kedung Banteng, Pacitan. Data mikrotremor digunakan untuk melihat respon nilai frekuensi dominan (f0) berdasarkan analisis kurva HVSR (Horizontal to ...
Chemistra, Paul
core  

Ketazine‐Linked Covalent Organic Framework for Metal‐Free Electrocatalytic Nitrate‐to‐Ammonia Conversion

Angewandte Chemie, EarlyView.
A metal‐free fluorinated ketazine‐linked COF is introduced as an efficient electrocatalyst for nitrate reduction to ammonia under neutral conditions. Fluorine substitution enhances π–π stacking and crystallinity, enabling a Faradaic efficiency of 59.9% and an NH3 yield rate of 1639.9 µmol h−1 mgCOF−1 at −0.9 V versus RHE. This establishes an unexplored
Islam E. Khalil, Ashadul Adalder, Badr Elkamash, Narad Barman, Darosch Asgari, Luoxing Xiang, Warisha Tahir, Franziska Hess, Ranjit Thapa, Adisak Boonchun, Uttam Kumar Ghorai, Prasenjit Das, Arne Thomas   +12 more
wiley   +2 more sources

Spatially Informed Feature Selection and Machine Learning in Matrix‐Assisted Laser Desorption/Ionization Imaging for Cohort‐Scale Molecular Tissue Phenomics in Glioblastoma

Advanced Intelligent Discovery, EarlyView.
Matrix‐assisted laser desorption/ionization imaging‐based identification of reliable small molecule markers across heterogeneous glioblastoma cohorts is challenging with intensity‐only methods. We present spatially informed feature selection (SIFS), a spatially informed framework that prioritizes molecules consistently colocalizing with histopathology.
Shad A. Mohammed, Denis Abu Sammour, Dirk C. Hoffmann, Philipp Sievers, Tobias Bausbacher, Melissa Hahn, Yasemin Ucal, Iris Mildenberger, Christiane A. Opitz, Stefan Schmidt, Michael Platten, Oliver Wasenmüller, Wolfgang Wick, Andreas von Deimling, Tobias Kessler, Carsten Hopf   +15 more
wiley   +1 more source

Extracting Structural Information Using Time-Frequency Analysis of Protein NMR Data

, 2001
High-throughput, data-directed computational protocols for Structural Genomics (or Proteomics) are required in order to evaluate the protein products of genes for structure and function at rates comparable to current gene-sequencing technology.
Bruce Randall Donald (5409077), Christopher J. Langmead (232083), Christopher James Langmead, Bruce Randall Donald   +3 more
core   +1 more source

Chelator‐Free Radiometal Labeling Inside Engineered Affibodies

Angewandte Chemie, EarlyView.
Affibodies are compact and robust three‑helix binders used in imaging and therapy. Engineering a triple‑cysteine motif into their core enables chelator‑free binding of important radiometals, like Bi(III), Pb(II), In(III), and Ga(III) with rapid uptake and exceptional stability.
Lani J. Davies, Upamali Somathilake, Santhanalaxmi Kumaresan, Frank Bruchertseifer, Alfred Morgenstern, Sarah Spreckelmeyer, Christoph Nitsche   +6 more
wiley   +2 more sources

Per‐ and Polyfluoroalkyl Substances (PFAS) Exposure Profiles and Their Predictors in a Study of US Volunteer Firefighters

American Journal of Industrial Medicine, EarlyView.
ABSTRACT Introduction Firefighters may experience occupational exposure to per‐ and polyfluoroalkyl substances (PFAS). Volunteer firefighters make up 65% of the US fire service, but their serum PFAS profiles have not been well characterized. This study aims to (1) describe PFAS serum profiles among US volunteer firefighters from 9 states enrolled in ...
Katherine A. Lubina, Zorimar Rivera‐Núñez, Miriam M. Calkins, Robert Laumbach, Shou‐En Lu, Jefferey L. Burgess, Elena Austin, Derrick L. Edwards, Maria D. H. Koeppel, Jaclyn M. Goodrich, Zhihua (Tina) Fan, Chang Ho Yu, Kaleigh M. Hinton, Casey C. Grant, Brian Kubiel, Daniel Roy, Judith M. Graber   +16 more
wiley   +1 more source

Post‐Translational Isoaspartate Promotes Amyloid Formation in β2‐Microglobulin

Angewandte Chemie, EarlyView.
Chemical synthesis of five β2‐microglobulin (β2m) variants reveals the structural impact of Asn deamidation. By introducing Asp or isoAsp at susceptible Asn‐Gly sequences, we demonstrate that isoAsp17 formation specifically accelerates amyloid fibril formation, highlighting its potential contribution to dialysis‐related amyloidosis.
Ryuji Kawakami, Toshiki Takei, Masatomo So, Toshifumi Takao, Yoshinori Taguchi, Hironobu Hojo   +5 more
wiley   +2 more sources

Tunable Regional Targeting of Self‐Assembling Peptide Nanomaterials in Acute Myocardial Infarction

Advanced NanoBiomed Research, EarlyView.
In a rat model of acute myocardial infarction, intravascular delivery of peptide nanofibers with a collagen‐targeting peptide bound to the infarct vasculature while globular peptide nanoparticles penetrated into the infarct area. This study demonstrated that size, shape, and surface chemistry of nanomaterials control the delivery location within the ...
Alexander Chen, Michael B. Nguyen, Elliot Widd, Julian Cheng, Benjamin D. Bridgelal, Kate E. Reimold, Selena Cao, Connor Uhre, Houston Harding, Chloe Hurteau, Anika Yogi, Colin Luo, Rebecca L. Braden, Pedro Cabrales, Karen L. Christman   +14 more
wiley   +1 more source

π‐Extended COUPY Fluorophores for Targeted Near‐Infrared Fluorescence and Lifetime Imaging in Live Cells

Angewandte Chemie, EarlyView.
π‐Extended COUPY dyes, obtained by vinylogation of coumarin‐based COUPY scaffolds, shift absorption, and emission deep into the NIR region while preserving compactness and synthetic accessibility. These bright, photostable dyes enable live‐cell imaging, FLIM, and site‐specific peptide conjugation, offering a modular platform for targeted bioimaging and
Diego Abad‐Montero, Manel Bosch, Rodrigo Garcés‐Castellanos, Michael Q. Schottenhamel, Sergio Pedraza‐Arevalo, Alejandro Ibáñez‐Costa, Justo P. Castaño, Tania García‐Becerra, Elena Rebollo, Marta E. Alberto, Antonio Francés‐Monerris, Vicente Marchán   +11 more
wiley   +2 more sources