Osteoconductive composite membranes produced by rotary jet spinning bioresorbable PLGA for bone regeneration.

Bone defects and injuries are common, and better solutions are needed for improved regeneration and osseointegration. Bioresorbable membranes hold great potential in bone tissue engineering due to their high surface area and versatility. In this context, polymers such as poly(lactic-co-glycolic acid) (PLGA) can be combined with osteoconductive materials like hydroxyapatite (HA) nanoparticles (NPs) to create membranes with enhanced bioactivity and bone regeneration.

Early public research funding response to COVID-19 pandemic in Brazil.

Introduction: This study investigated the role of early public research funding regarding the COVID-19 pandemic in Brazil.

Methods: We examined the budget for research projects relating to the number of cases and deaths and the relationship between each federal unit, gross domestic product (GDP) per capita, and the national GDP per capita.

Results: Using data from the websites of official funding agencies and the Brazilian government, we found that, in the first four months since the first case in Wuhan, China (December 31, 2019), around US$ 38.

Cardiac tissue engineering: current state-of-the-art materials, cells and tissue formation.

Cardiovascular diseases are the major cause of death worldwide. The heart has limited capacity of regeneration, therefore, transplantation is the only solution in some cases despite presenting many disadvantages. Tissue engineering has been considered the ideal strategy for regenerative medicine in cardiology.