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1,1-Dimethylbiguanidium(2+) dinitrate

Michaela Fridrichová, Ivana Císařová, Ivan Němec • Acta Crystallographica Section E (2012)

In the crystal structure of the title compound, C4H13N52+·2NO3−, the main intermolecular interactions are the N—H...O hydrogen bonds between the cationic amino groups and the O atoms of the nitrate ions. All ami...

DOAJ Open Access (DOAJ) DOI: 10.1107/S1600536811051105

Glass-fiber catalysts for selective catalytic reduction of nitrogen oxides by CO and hydrocarbons

K. Golyashova, N. Glazov, S. Lopatin, A. Zagoruiko • Catalysis Communications (2023)

Glass-fiber catalysts (GFCs) are investigated in the process of the catalytic reduction of nitrogen oxides by hydrocarbons and carbon monoxide contained in waste and flue gases. Studies show that the platinum-based GFCs prepared by surface ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.catcom.2023.106765

Engineered Bacterial Cellulose Nanostructured Matrix for Incubation and Release of Drug-Loaded Oil in Water Nanoemulsion

Concetta Di Natale, Concetta Di Natale, Concetta Di Natale, Vincenza De Gregorio et al. • Frontiers in Bioengineering and Biotechnology (2022)

Bacterial cellulose (BC) is a highly pure form of cellulose produced by bacteria, which possesses numerous advantages such as good mechanical properties, high chemical flexibility, and the ability to assemble in nanostructures. Thanks to th...

DOAJ Open Access (DOAJ) DOI: 10.3389/fbioe.2022.851893

Self-Matrix N-Doped Room Temperature Phosphorescent Carbon Dots Triggered by Visible and Ultraviolet Light Dual Modes

Huiyong Wang, Hongmei Yu, Ayman AL-Zubi, Xiuhui Zhu et al. • Nanomaterials (2022)

The synthesis of room temperature phosphorescent carbon dots (RTP-CDs) without any matrix is important in various applications. In particular, RTP-CDs with dual modes of excitation are more interesting. Here, we successfully synthesized mat...

DOAJ Open Access (DOAJ) DOI: 10.3390/nano12132210

Triple‐State Invisible Photonic Crystal Pattern Encrypted in Hollow‐Silica/Polyurethane Film for Anticounterfeiting Applications

Xin Zhang, Qianqian Fu, Jianping Ge • Advanced Photonics Research (2021)

An invisible photonic crystal (PC) pattern encrypted at the dry state and decrypted by solvent is a new anticounterfeiting material system, but its diversity and complexity in response are still required to be increased to enhance the antic...

DOAJ Open Access (DOAJ) DOI: 10.1002/adpr.202000208

A large deletion conferring pale green leaves of maize

Guoqi Yao, Hua Zhang, Bingying Leng, Bing Cao et al. • BMC Plant Biology (2023)

Abstract Background The structural basis of chloroplast and the regulation of chloroplast biogenesis remain largely unknown in maize. Gene mutations in these pathways have been linked to the abnormal leaf color phenotype observed in some mu...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12870-023-04360-2

The molecular crosstalk between RECQ helicases and associated proteins in human genetic disorders

Yashaswini Reddy, Gargi Joshi, Swechha Mahapatra, Ipshita Das et al. • Journal of Genetic Engineering and Biotechnology (2026)

RECQ helicases involve a family of DNA unwinding enzymes, namely, RECQ1, Bloom syndrome protein, Werner syndrome protein, RECQL4, and RECQ5. These proteins interact with various proteins to form complexes and carry out a range of physiologi...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.jgeb.2026.100824

Wilms Tumor 1b defines a wound-specific sheath cell subpopulation associated with notochord repair

Juan Carlos Lopez-Baez, Daniel J Simpson, Laura LLeras Forero, Zhiqiang Zeng et al. • eLife (2018)

Regenerative therapy for degenerative spine disorders requires the identification of cells that can slow down and possibly reverse degenerative processes. Here, we identify an unanticipated wound-specific notochord sheath cell subpopulation...

DOAJ Open Access (DOAJ) DOI: 10.7554/eLife.30657

Graphene Oxide and Reduced Derivatives, as Powder or Film Scaffolds, Differentially Promote Dopaminergic Neuron Differentiation and Survival

Noela Rodriguez-Losada, Noela Rodriguez-Losada, Rune Wendelbob, M. Carmen Ocaña et al. • Frontiers in Neuroscience (2020)

Emerging scaffold structures made of carbon nanomaterials, such as graphene oxide (GO) have shown efficient bioconjugation with common biomolecules. Previous studies described that GO promotes the differentiation of neural stem cells and ma...

DOAJ Open Access (DOAJ) DOI: 10.3389/fnins.2020.570409

Paraffinic oil residues after heating as a basis for fuel

Zvereva Elvira, Makarova Anastasiya, Ilyin Nikolay, Ageeva Marina et al. • E3S Web of Conferences (2023)

The possibility of reuse of heavy residues (oily sludge) of low-sulfur, highly paraffinic Mangyshlak oils as a basis for fuel with improved environmental characteristics for engines to marine, river and railway transport, gas turbine and bo...

DOAJ Open Access (DOAJ) DOI: 10.1051/e3sconf/202337604020

Cryo-EM structures reveal how phosphate release from Arp3 weakens actin filament branches formed by Arp2/3 complex

Sai Shashank Chavali, Steven Z. Chou, Wenxiang Cao, Thomas D. Pollard et al. • Nature Communications (2024)

Abstract Arp2/3 complex nucleates branched actin filaments for cell and organelle movements. Here we report a 2.7 Å resolution cryo-EM structure of the mature branch junction formed by S. pombe Arp2/3 complex that provides details about int...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41467-024-46179-x

Mechanistic insights into TAM-mediated OMP assembly in Gram-negative bacteria

Qinghua Luo, Xintan Dong, Zhaxi Zerang, Yujiao Chen et al. • Cell Reports (2026)

Summary: The β-barrel assembly machinery (BAM) is essential for outer membrane protein (OMP) biogenesis in Gram-negative bacteria and represents a validated target for antibiotic development. Its evolutionary relative, the translocation and...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.celrep.2026.117733

Dielectric Properties of Phosphatidylcholine Membranes and the Effect of Sugars

Victoria Vitkova, Vesela Yordanova, Galya Staneva, Ognyan Petkov et al. • Membranes (2021)

Simple carbohydrates are associated with the enhanced risk of cardiovascular disease and adverse changes in lipoproteins in the organism. Conversely, sugars are known to exert a stabilizing effect on biological membranes, and this effect is...

DOAJ Open Access (DOAJ) DOI: 10.3390/membranes11110847

Constraining PERMANOVA and LDM to within-set comparisons by projection improves the efficiency of analyses of matched sets of microbiome data

Zhengyi Zhu, Glen A. Satten, Caroline Mitchell, Yi-Juan Hu • Microbiome (2021)

Abstract Background Matched-set data arise frequently in microbiome studies. For example, we may collect pre- and post-treatment samples from a set of individuals, or use important confounding variables to match data from case participants ...

DOAJ Open Access (DOAJ) DOI: 10.1186/s40168-021-01034-9

Synthesis and properties of fluorene based small molecule acceptors containing aromatic malononitrile functionalities

Sarah E. Brock, Dariia Yehorova, Brycelyn M. Boardman • Results in Chemistry (2022)

Four novel small molecule acceptors (SMA) with fluorene-based cores were synthesized with terminal phenyl, thienyl, and furyl malononitrile groups in good yields. The products were obtained from a two-step reaction of 2,2′-(9,9-dioctyl-9H-f...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.rechem.2022.100320

A Kalman-Jacobi hybrid model for game theory: a fuzzy logic approach to financial market competition

Alireza Azarberahman, Mahmoodreza Mohammadnejadi Modi • Journal of Business and Socio-Economic Development (2025)

PurposeThis research examines the structure of financial markets by integrating game theory and fuzzy logic. The objective is to develop a differential game model that analyzes competition among financial firms within a specific industry.De...

DOAJ Open Access (DOAJ) DOI: 10.1108/JBSED-03-2024-0030