Pharmacology

Pharmacology

Psychedelics act against depression by stimulating connections between neurons

Antidepressant effect occurs independently of the mechanism that alters perception of reality

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COVID-19

Setbacks in coronavirus drug development

Health agencies are suspending the use of drugs that have lost efficacy against circulating variants of SARS-CoV-2

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Health

More powerful sunscreens

Antioxidant rosmarinic acid improves blocking of ultraviolet rays in sunscreen

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COVID-19

Thai version of vaccine similar to ButanVac induces good immune response

In phase 1 trials involving 210 people, the low-cost formulation produced more neutralizing antibodies than the Pfizer / BioNTech vaccine

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IMMUNOLOGY

Butantan’s dengue vaccine is 80% effective

The vaccine offered protection against two serotypes of the virus in the final phase of human trials

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IMMUNOLOGY

Construction begins on Brazil’s new National Vaccine Center in Belo Horizonte

The institution will function as a link between basic immunobiological research and final products

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Health

Immune cells increase pain from nerve damage

Immune cells increase chronic pain from nerve damage

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RETROSPECT

The science rebel

Credited with discovering bradykinin, Maurício Oscar da Rocha e Silva fought to overcome the narrow-mindedness within scientific institutions before his death 40 years ago

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IMMUNOLOGY

Three Brazilian COVID-19 vaccines begin human testing

The three candidates use different technologies; two have already completed the first phase of clinical trials

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Chemistry

Collaboration to fight drug resistance

Seven pharmaceutical companies pledge to share surveillance data on antimicrobial resistance

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PUBLIC SPENDING

SUS to save money as patent extensions come to an end

Expenditure on nine drugs could be reduced by R$3.9 billion, according to UFRJ estimates

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COVID-19

Anti-coronavirus semiconductors

Nanotechnological materials emerge as promising alternatives in the battle against SARS-CoV-2 and future pandemics

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photolab

Light sensors

In the lab, zebrafish larvae become covered in green glowing dots when exposed to certain drugs or pollutants

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Health

Nasal COVID-19 vaccine

Research into intranasal vaccines against Covid-19 is advancing

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COVID-19

Another step towards a universal vaccine

Clinical trials begin for broad-spectrum vaccines designed to offer protection against multiple coronaviruses

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COVID-19

New coronavirus drugs

Pharmaceuticals announce orally administered drugs designed to treat the disease caused by SARS-Cov-2

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Health

Focus on the bacillus

Fast, portable, and sensitive, a new test could be a useful tool for preventing leprosy and helping with early diagnosis.

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COVID-19

The quest for a Brazilian vaccine

Researchers are testing a range of technologies, but few initiatives will receive the funding needed for costly phase 3 clinical trials

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Covid-19

New COVID-19 drug

An antiviral pill developed by pharmaceutical company Pfizer reduced the risk of death and hospitalization in people recently diagnosed with Covid-19 by 89% compared to a placebo

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COVID-19

Two vaccines safe for children

The CoronaVac vaccine, produced in Brazil by the Butantan Institute, is safe for children and adolescents, with no major side effects

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Pharmacology

University of Oxford in Brazil

The Brazilian Ministry of Health signed a term of commitment with the University of Oxford, UK, to establish a clinical research and development center in Rio de Janeiro for the British institution’s drugs and vaccines

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Nuclear medicine

Radiopharmaceuticals under threat

Radiopharmaceutical crisis leads to debate over production model

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HEALTH

Pioneering immunization

Malaria vaccine recommended for children in Africa by the WHO is the first to protect humans from a parasite

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Covid-19

A promising antiviral

Molnupiravir reduced COVID-19’s hospitalization and death rate by nearly half in a phase 3 clinical trial of people with mild to moderate infections

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COVID-19

First DNA-based vaccine

India has developed and approved the first COVID-19 vaccine based on DNA technology

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COVID-19

Still too soon for booster doses

An international group of scientists argued against the idea of giving the majority of the population COVID-19 vaccine booster doses

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Physics/Chemistry

Free passage through the skin

Simulations indicate that applying an electric field stimulates the formation of "blisters" that turn the epidermis into a gateway for drugs to enter the body

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Covid-19

Delta advances

Delta variant threatening control of the COVID-19 pandemic

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Covid-19

Pfizer vaccine to be made in Brazil

Pfizer vaccine to be made in Brazil

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Careers

Scientist in training

Nursing student at UFMG awarded for her undergraduate research on the treatment of tegumentary leishmaniasis

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