User profiles for Rafael Rahal Guaragna Machado
Rafael Rahal Guaragna MachadoPostdoctoral researcher at Institut Pasteur, Paris Verified email at pasteur.fr Cited by 1036 |
[HTML][HTML] SARS-CoV-2 isolation from the first reported patients in Brazil and establishment of a coordinated task network
BACKGROUND Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was
confirmed in Brazil in February 2020, the first cases were followed by an increase in the number …
confirmed in Brazil in February 2020, the first cases were followed by an increase in the number …
[HTML][HTML] UV-C (254 nm) lethal doses for SARS-CoV-2
…, DF Sales-Medina, RRG Machado… - Photodiagnosis and …, 2020 - ncbi.nlm.nih.gov
The rapid and continuous spread of SARS-CoV-2, responsible for COVID-19, has been
challenging global health systems and many strategies have been proposed to face the COVID-…
challenging global health systems and many strategies have been proposed to face the COVID-…
Ag nanoparticles-based antimicrobial polycotton fabrics to prevent the transmission and spread of SARS-CoV-2
…, RI Santos, DCB Vilela, EL Durigon, RRG Machado… - BioRxiv, 2020 - biorxiv.org
Pathogens (bacteria, fungus and virus) are becoming a potential threat to the health of
human beings and environment worldwide. They widely exist in the environment, with …
human beings and environment worldwide. They widely exist in the environment, with …
[HTML][HTML] Lower cost alternatives for molecular diagnosis of COVID-19: conventional RT-PCR and SYBR Green-based RT-qPCR
…, AO Viana, CP Soares, RRG Machado… - Brazilian Journal of …, 2020 - Springer
In March 2020, WHO declared a pandemic state due to SARS-CoV-2 having spread.
TaqMan-based real-time RT-qPCR is currently the gold standard for COVID-19 diagnosis. However…
TaqMan-based real-time RT-qPCR is currently the gold standard for COVID-19 diagnosis. However…
Correlation between SARS‐COV‐2 antibody screening by immunoassay and neutralizing antibody testing
…, T Facincani, LB de Oliveira Alves, RRG Machado… - …, 2021 - Wiley Online Library
Background The efficacy of convalescent plasma (CP), an alternative for the treatment of
COVID‐19, depends on high titers of neutralizing antibodies (nAbs), but assays for quantifying …
COVID‐19, depends on high titers of neutralizing antibodies (nAbs), but assays for quantifying …
[HTML][HTML] Antiviral activity of natural phenolic compounds in complex at an allosteric site of SARS-CoV-2 papain-like protease
…, K Lorenzen, R Schubert, RRG Machado… - Communications …, 2022 - nature.com
SARS-CoV-2 papain-like protease (PLpro) covers multiple functions. Beside the cysteine-protease
activity, facilitating cleavage of the viral polypeptide chain, PLpro has the additional …
activity, facilitating cleavage of the viral polypeptide chain, PLpro has the additional …
[HTML][HTML] Beneficial effects of a mouthwash containing an antiviral phthalocyanine derivative on the length of hospital stay for COVID-19: randomised trial
…, B da Fonseca Orcina, RRG Machado… - Scientific reports, 2021 - nature.com
The risk of contamination and dissemination by SARS-CoV-2 has a strong link with nasal,
oral and pharyngeal cavities. Recently, our research group observed the promising …
oral and pharyngeal cavities. Recently, our research group observed the promising …
Multisystem inflammatory syndrome associated with COVID-19 with neurologic manifestations in a child: a brief report
…, RP Vieira, IC Pinto, RRG Machado… - The Pediatric …, 2020 - journals.lww.com
Although first considered a benign infection, recent studies have disclosed severe and
potentially lethal inflammatory manifestations of COVID-19 in children. We report the case of a 4-…
potentially lethal inflammatory manifestations of COVID-19 in children. We report the case of a 4-…
[HTML][HTML] Immunodominant antibody responses directed to SARS-CoV-2 hotspot mutation sites and risk of immune escape
JR Oliveira, CMR Ruiz, RRG Machado… - Frontiers in …, 2023 - frontiersin.org
Introduction Considering the likely need for the development of novel effective vaccines
adapted to emerging relevant CoV-2 variants, the increasing knowledge of epitope recognition …
adapted to emerging relevant CoV-2 variants, the increasing knowledge of epitope recognition …
SARS-CoV-2 activates ER stress and Unfolded protein response
Coronavirus disease-2019 (COVID-19) pandemic caused by the SARS-CoV-2 coronavirus
infection is a major global public health concern affecting millions of people worldwide. The …
infection is a major global public health concern affecting millions of people worldwide. The …