Results 281 to 290 of about 1,552,390 (331)

High‐Yield Synthesis of Fe‐NC Electrocatalysts Using Mg2+ Templating and Schiff‐Base Porous Organic Polymers

Advanced Functional Materials, EarlyView.
Fe─NC porous oxygen reduction electrocatalysts are prepared employing a 2,4,6‐Triaminopyrimidine‐based porous organic polymer, a Mg2+ Lewis acid, and a low‐temperature cation exchange protocol. Using the polymer precursor achieves high pyrolysis yields and results in atomically dispersed FeNx sites. The resulting catalysts feature hierarchical porosity
Eliot Petitdemange, Jinjie Zhu, Angus Pedersen, Joseph Parker, S. Esmael Balaghi, Shaohua Li, Silvia Favero, José Ignacio Martínez, Sarah Haigh, Maria‐Magdalena Titirici, Anna Fischer, Jesús Barrio   +11 more
wiley   +1 more source

Electrosynthesis of Bioactive Chemicals, From Ions to Pharmaceuticals

Advanced Functional Materials, EarlyView.
This review discusses recent advances in electrosynthesis for biomedical and pharmaceutical applications. It covers key electrochemical materials enabling precise delivery of ions and small molecules for cellular modulation and disease treatment, alongside catalytic systems for pharmaceutical synthesis.
Gwangbin Lee, Sojin Kim, Myeongeun Lee, Kyoungsuk Jin, Jimin Park   +4 more
wiley   +1 more source

Atomically Revealing Bulk Point Defect Dynamics in Hydrogen‐Driven γ‐Fe2O3 → Fe3O4 → FeO Transformation

Advanced Functional Materials, EarlyView.
In situ TEM uncovers the atomic‐scale mechanisms underlying hydrogen‐driven γ‐Fe2O3→Fe3O4→FeO reduction. In γ‐Fe2O3, oxygen vacancies cluster around intrinsic Fe vacancies, leading to nanopore formation, whereas in Fe3O4, vacancy aggregation is suppressed, preserving a dense structure.
Yupeng Wu, Dongxiang Wu, Wenhui Zhu, Xiaobo Chen, Zhikang Zhou, Zhilu Liang, Shuonan Ye, Meng Li, Xiao Tong, Kim Kisslinger, Sooyeon Hwang, Dmitri Zakharov, Renu Sharma, Judith C. Yang, Guangwen Zhou   +14 more
wiley   +1 more source

The basic reproduction number (R0) of ebola virus disease: A systematic review and meta-analysis

Basilua André Muzembo, Kei Kitahara, Debmalya Mitra, Ngangu Patrick Ntontolo, Nlandu Roger Ngatu, Ayumu Ohno, Januka Khatiwada, Shanta Dutta, Shin‐ichi Miyoshi   +8 more
openalex   +1 more source

Are the SIR and SEIR models suitable to estimate the basic reproduction number for the CoViD-19 epidemic?

, 2020
Yang HM, Lombardi Junior LP, Yang AC.
europepmc   +1 more source

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Monkeypox: Early estimation of basic reproduction number R0 in Europe

Journal of Medical Virology, 2022
This world outbreak of Monkeypox (MPX) infections outside Africa emerged on May 2022 in Europe and spread worldwide with unique characteristics: inter‐human contagion and infection in men without specific previous immunization, prevalently men‐who‐have ...
Francesco Branda, Massimo Pierini, S. Mazzoli   +2 more
semanticscholar   +1 more source

The Basic Reproduction Number

2022
The reproduction number is an important tool in infectious disease epidemiology that conveys both the present status of the disease and the likelihood of it persisting in the future. Next-generation matrices (NGMs) serve as a natural basis for defining and calculating the categories of individuals that can be recognized.
openaire   +1 more source

The Basic Reproduction Number for Cellular SIR Networks

Acta Biotheoretica, 2014
The basic reproduction number R0 is the average number of new infections produced by a typical infective individual in the early stage of an infectious disease, following the introduction of few infective individuals in a completely susceptible population. If R0 1 the infection can invade the host population and persist. This threshold quantity is well
Aboubakar, Sidiki, Maurice, Tchuente
openaire   +2 more sources