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A Novel Peptide Antibiotic Produced by Streptomyces roseoflavus Strain INA-Ac-5812 With Directed Activity Against Gram-Positive Bacteria

Alexey S. Vasilchenko, William T. Julian, Olda A. Lapchinskaya, Genrikh S. Katrukha et al. • Frontiers in Microbiology (2020)

In this work, we report the isolation and detailed functional characterization for the new non-ribosomally synthesized antibiotic 5812-A/C, which was derived from metabolites of Streptomyces roseoflavus INA-Ac-5812. According to its chemica...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmicb.2020.556063

Preliminary screening of biostimulative effects of Göemar BM-86 on eggplant cultivars grown under field conditions in Poland

Alicja Pohl, Aneta Grabowska, Andrzej Kalisz, Agnieszka Sękara • Acta Agrobotanica (2018)

Seaweed extracts are widely used in agriculture as ecological focus substances applied to improve crop growth and quality. One of the primary benefits they bring is increased effectiveness of fruit setting as well as improved stress toleran...

DOAJ Open Access (DOAJ) DOI: 10.5586/aa.1752

Functionalising Collagen-Based Scaffolds With Platelet-Rich Plasma for Enhanced Skin Wound Healing Potential

Ronaldo J. F. C. do Amaral, Ronaldo J. F. C. do Amaral, Ronaldo J. F. C. do Amaral, Noora M. A. Zayed et al. • Frontiers in Bioengineering and Biotechnology (2019)

Porous collagen-glycosaminoglycan (collagen-GAG) scaffolds have shown promising clinical results for wound healing; however, these scaffolds do not replace the dermal and epidermal layer simultaneously and rely on local endogenous signaling...

DOAJ Open Access (DOAJ) DOI: 10.3389/fbioe.2019.00371

Effect of Particle Size on Leachate Formation Characteristics from Gold Mine Waste Rocks: At Source Acid Mine Drainage Management in Tanzania

A. Marwa • Journal of Applied Sciences and Environmental Management (2023)

Waste rocks from gold mining operations represents a significant environmental burden and impairs sustainable environmental management in developing countries. This study focused on understanding the leachate properties of different particl...

DOAJ Open Access (DOAJ) DOI: 10.4314/jasem.v27i11.4

Physicochemical- and biocompatibility of oxygen and nitrogen plasma treatment using a PLA scaffold

Ali Davoodi, Homayoun H. Zadeh, Morteza Daliri Joupari, Mohammad Ali Sahebalzamani et al. • AIP Advances (2020)

Plasma surface treatment has a wide range of applications in biomedicine. In the present study, flat polylactic acid (PLA) films were treated with oxygen and nitrogen, low-pressure, non-thermal plasma. The water contact angle of the PLA fil...

DOAJ Open Access (DOAJ) DOI: 10.1063/5.0022306

Antioxidant, Wound Healing Potential and In Silico Assessment of Naringin, Eicosane and Octacosane

Abbirami Balachandran, Sy Bing Choi, Morak-Młodawska Beata, Jeleń Małgorzata et al. • Molecules (2023)

1. Diabetic chronic wounds, mainly foot ulcers, constitute one of the most common complications of poorly managed diabetes mellitus. The most typical reasons are insufficient glycemic management, latent neuropathy, peripheral vascular disea...

DOAJ Open Access (DOAJ) DOI: 10.3390/molecules28031043

Unveiling the immunomodulatory dance: endothelial cells’ function and their role in non-small cell lung cancer

Sophia Daum, Lilith Decristoforo, Mira Mousa, Stefan Salcher et al. • Molecular Cancer (2025)

Abstract The dynamic interactions between tumor endothelial cells (TECs) and the immune microenvironment play a critical role in the progression of non-small cell lung cancer (NSCLC). In general, endothelial cells exhibit diverse immunomodu...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12943-024-02221-6

Injectable hyaluronic acid-collagen derived hydrogel based on component biomimetic as vitreous substitute

Shuo Wang, Jinhua Chi, Yanting Wang, Ruibao Ju et al. • Materials & Design (2026)

Vitrectomy is a common clinical treatment for fundus disease. Due to the non-renewable nature of the vitreous, artificial vitreous are usually required to replace natural vitreous to perform functions post operation. Silicone oil and gas, a...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.matdes.2026.115780

Psychometric properties of the Persian version of bedside teaching (BST) Instrument

MOHAMMAD SAEED GHARAATI JAHROMI, MITRA AMINI, MAHSA MOOSAVI, ALIREZA SALEHI et al. • Journal of Advances in Medical Education and Professionalism (2021)

Introduction: Bedside teaching plays a crucial role in acquiring essential clinical skills. Therefore, the main aim of this study is assessing the validity and reliability of the Persian version of German bedside teaching (BST) instrument. ...

DOAJ Open Access (DOAJ) DOI: 10.30476/jamp.2020.88501.1343

Smoothed Particle Hydrodynamics in Astrophysics

Volker Springel • Annual Review of Astronomy and Astrophysics (2010)

This review discusses smoothed particle hydrodynamics (SPH) in the astrophysical context, with a focus on inviscid gas dynamics. The particle-based SPH technique allows an intuitive and simple formulation of hydrodynamics that has excellent...

OPENALEX Open Access DOI: https://doi.org/10.1146/annurev-astro-081309-130914

Radiative Processes in Astrophysics

G. B. Rybicki, Alan P. Lightman • Wiley eBooks (1985)

Chapter 1 Fundamentals of Radiative Transfer 1.1 The Electromagnetic Spectrum Elementary Properties of Radiation 1.2 Radiative Flux Macroscopic Description of the Propagation of Radiation Flux from an Isotropic Source-The Inverse Square Law...

OPENALEX DOI: https://doi.org/10.1002/9783527618170

On the Temporal Variability of the Galactic Multi-TeV Interstellar Emissions

P. D. Marinos, T. A. Porter, G. P. Rowell, G. Jóhannesson et al. • The Astrophysical Journal (2025)

We use the GALPROP cosmic ray (CR) framework to model the Galactic CR distributions and associated nonthermal diffuse emissions up to PeV energies. We consider ensembles of discrete, finite lifetime CR sources, e.g., supernova remnants, for...

DOAJ Open Access (DOAJ) DOI: 10.3847/1538-4357/adadfb

Non-volatile chirality switching by all-optical magnetization reversal in ferromagnetic Weyl semimetal Co3Sn2S2

Naotaka Yoshikawa, Kazuma Ogawa, Yoshua Hirai, Kohei Fujiwara et al. • Communications Physics (2022)

Weyl semimetals exhibit a unique feature known as Weyl nodes, which give rise to non-trivial topological features such as an anomalous Hall effect, and there are many efforts to try and control such properties. Here, the authors report ligh...

DOAJ Open Access (DOAJ) DOI: 10.1038/s42005-022-01106-8

Successive Partial Disruptions with Orbital Precession in a White Dwarf–Black Hole System for Repeating GRB 250702B

Yuri Sato, Rin Oikawa, Kazuma Kato, Tatsuya Matsumoto et al. • The Astrophysical Journal Letters (2026)

The peculiar gamma-ray burst GRB 250702B is the longest event ever observed, lasting about 1 day and exhibiting four prompt-emission flares of ∼100 s with irregular recurrence intervals of at least 1 hr. To explain this hierarchy of timesca...

DOAJ Open Access (DOAJ) DOI: 10.3847/2041-8213/ae6a8f

Collisions and particle dynamics around black holes surrounded by PFDM in STVG

Isomiddin Nishonov, Javlon Rayimbaev, Saeed Ullah Khan, Muhammad Zahid et al. • European Physical Journal C: Particles and Fields (2025)

Abstract Testing dark matter effects on gravity around black holes in the framework of gravity theories through observational data is an essential task of relativistic astrophysical studies. In this work, we first obtain a new spacetime sol...

DOAJ Open Access (DOAJ) DOI: 10.1140/epjc/s10052-025-13945-0