Factorial designs are accurate tools to pick up the most promising extremophiles for future biosurfactant production.

In this study, five strains previously isolated from black liquor (BL) and vinasse (V) were tested to assess the most promising regarding its capacity of biosurfactant production. For that, four factorial designs of two factors at two levels (2) were run for each strain. Selected factors were the production time and the composition media, while the surface tension reduction and optical density were the responses variables.

Anti-RNA polymerase III antibodies in systemic sclerosis: Multicentric study from Argentina.

Objective: To describe the frequency of anti-RNA polymerase III antibody in patients with Systemic Sclerosis (SSc) of a group of healthcare centres from Argentina and to explore differences among patients with positive and negative anti-RNA polymerase III antibody.

Patients And Methods: Data from clinical records, anamnesis and physical examination were collected from 135 patients with SSc (ACR/EULAR 2013). A serum sample from each patient was obtained for the detection of anti-RNA polymerase III IgG antibodies by ELISA.

Myositis-specific antibodies and clinical characteristics in patients with autoimmune inflammatory myopathies: reported by the Argentine Registry of Inflammatory Myopathies of the Argentine Society of Rheumatology.

Introduction/objectives: To describe clinical features in patients with inflammatory myopathies (IMs) from the Argentine Registry of Inflammatory Myopathies, and their relationship with myositis-specific antibodies (MSAs).

Methods: This cross-sectional study included 360 adult patients with dermatomyositis (DM), polymyositis (PM), and inclusion body myositis. Demographics, clinical, and serological characteristics were retrospectively recorded (2016-2019).

Anti-RNA Polymerase III Antibodies in Systemic Sclerosis: Multicentric Study from Argentina.

Objective: To describe the frequency of anti-RNA polymerase III antibody in patients with Systemic Sclerosis (SSc) of a group of healthcare centres from Argentina and to explore differences among patients with positive and negative anti-RNA polymerase III antibody.

Patients And Methods: Data from clinical records, anamnesis and physical examination were collected from 135 patients with SSc (ACR/EULAR 2013). A serum sample from each patient was obtained for the detection of anti-RNA polymerase III IgG antibodies by ELISA.

[Proposal for the control and mitigation of COVID-19 dissemination: strategic management of the disease].

The rapid spread of COVID-19 throughout the world, has led most of the affected countries to close their borders and implement some form of lockdown. Six months after the pandemic started, many countries made decisions tending to relax the lockdown, although without a vaccine or treatment capable of confronting SARS-CoV-2 infection, the situation could be reversed at any time. In this context, the aim of this work was to propose a decision algorithm that will allow to optimize asymptomatic case detections and strategically manage quarantine to prevent the spread of the virus and drive the transition to a managed new normal.

[Frequency of systemic manifestations in patients with primary Sjögren's syndrome in Argentina].

Unlabelled: Twenty to 71% of patients with Sjögren's syndrome (SS) will develop systemic manifestations.

Objective: To characterize the clinical-serological presentation and the frequency of systemic manifestations in patients with primary SS.

Methods: Retrospective study including patients with SS visited in "Hospital Británico de Buenos Aires" during the period from January 2000 to August 2008.