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120 resultados encontrados.

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Modification of Asphalt by Diols
Artículo
Acceso abierto Artículo DOAJ
Issa Issa · University of Mosul, College of Education for Pure Science · 2008 · ISSN 1812-125X
Abstract The research aimed to study the effect of Diols on modification of an asphaltic materials which could be used as a binder for paving material obtained from Qaiyarah asphalt. 0.5-5 wt.% of Diols (ethylene glycol ...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Open Access
Modifications in the gamma dose rate in air due to downward and lateral mobility of 137Cs in the soil
Artículo
Material complementario disponible Artículo CONICET Digital
Velasco, Ricardo Hugo · Elsevier · 2019 · ISSN 0265-931X
137Cs can be an important environmental contaminant due to fallout from nuclear reactor accidents and atomic weapons testing. Its contribution to the air gamma dose rate at 1 m height above contaminated ground depends on...
Idioma eng
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ALYREF-mediated RNA 5-methylcytosine modification promotes laryngeal cancer progression via stabilizing DDX11 mRNA
Artículo
Acceso abierto Artículo DOAJ
Shanyan Bian et al · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract Laryngeal cancer (LC) is one of the malignant tumors affecting the head and neck region. 5-methylcytosine (m5C) is a common RNA modification that contributes to the carcinogenesis process. Aly/REF export factor ...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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Open Access
Chemical proteomics reveals sinomenine’s anti-inflammatory mechanism through serum protein covalent modification
Artículo
Material complementario disponible Artículo DOAJ
Meixian Liu et al · BMC · 2026 · ISSN 1749-8546
Abstract Background Covalent protein modification by drugs or their reactive metabolites has emerged as an important mechanism underlying pharmacological activity. However, its contribution to the therapeutic effects of ...
LCC TENDOk90aGVyIHN5c3RlbXMgb2YgbWVkaWNpbmU~Idioma eng
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Exosomes derived from human umbilical cord mesenchymal stem cells attenuate neuroinflammation in intracerebral hemorrhage rats by modulating lactylation modification
Artículo
Acceso abierto Artículo DOAJ
Aobo Zhang et al · BMC · 2026 · ISSN 1479-5876
Abstract Background Neuroinflammation following intracerebral hemorrhage (ICH) is a critical contributor to secondary brain injury. Lactylation modification, a novel epigenetic regulatory mechanism, may participate in pa...
LCC LCC:MedicineIdioma eng
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Open Access
Impact of adverse events-associated dose modifications of PARP inhibitors on treatment outcomes in primary ovarian cancer
Artículo
Acceso abierto Artículo DOAJ
Yue Fu et al · BMC · 2026 · ISSN 1757-2215
Abstract Background Poly (ADP-ribose) polymerase inhibitors (PARPis) are the standard of care for primary ovarian cancer (OC), yet adverse events (AEs) frequently necessitate dose modifications. The prognostic impact of ...
LCC TENDOkd5bmVjb2xvZ3kgYW5kIG9ic3RldHJpY3M~Idioma eng
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Open Access
METTL1 Aggravates Periodontitis Progression by Inhibiting Osteoblast Differentiation via m7G modification of SEMA4D
Artículo
Acceso abierto Artículo DOAJ
Yong-Song Huang et al · Elsevier · 2026 · ISSN 0020-6539
Objective: Periodontitis is a chronic inflammatory disease that severely affects oral and general health. N7-methylguanosine (m7G) methylation plays critical roles in regulating gene expression and cellular functions. Me...
LCC TENDOkRlbnRpc3RyeQ~~Idioma eng
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Open Access
METTL3 stabilizes FASN mRNA by mediating m6A modification to promote malignant progression of diffuse large B-cell lymphoma
Artículo
Material complementario disponible Artículo DOAJ
Xiangxiang Song et al · BMC · 2026 · ISSN 2045-3701
Abstract Background Diffuse large B-cell lymphoma (DLBCL) is an aggressive subtype of non-Hodgkin lymphoma. Fatty acid synthase (FASN) is a key lipogenic enzyme implicated in tumor progression, but its regulation in DLBC...
LCC TENDOkJpb3RlY2hub2xvZ3k~; LCC:Biology (General); TENDOkJpb2NoZW1pc3RyeQ~~Idioma eng
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fCUT&Tag‐Seq: An optimized CUT&Tag‐based method for high‐resolution profiling of histone modifications and chromatin‐binding proteins in fungi
Artículo
Acceso abierto Artículo DOAJ
Haiting Wang et al · Wiley · 2026 · ISSN 2770-100X
Abstract Histone modifications and chromatin‐binding proteins play crucial roles in regulating gene expression in eukaryotes, with significant implications for fungal pathogenicity and development. However, profiling t...
LCC TENDOk1pY3JvYmlvbG9neQ~~Idioma eng
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β-Hydroxybutyrate upregulates hepatic histone β-hydroxybutyrylation modification, promotes the expression of PPARα, and alleviates the hepatic steatosis in MASLD
Artículo
Acceso abierto Artículo DOAJ
Dongze Li et al · BMC · 2026 · ISSN 1868-7083
Abstract Background Metabolic dysfunction-associated steatotic liver disease (MASLD) stands as the most widespread chronic liver disorder globally. Histone β-hydroxybutyrylation (Kbhb)—a novel post-translational modif...
LCC LCC:Medicine; LCC:GeneticsIdioma eng
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Open Access
Enhancing esthetics from growth modification
Artículo
Acceso abierto Artículo DOAJ
Himawan Halim et al · faculty of dentistry universitas gadjah mada · 2024 · ISSN 2460-0164
Alteration of maxillary growth, improvement in mandibular growth and position, and change in dental and muscular relationships, especially changing in esthetic profile are the expected results of myofunctional appliances...
LCC TENDOkRlbnRpc3RyeQ~~Idioma eng
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Open Access
Performance optimization of superfine cement through composite modification using coal-based solid waste and modifiers
Artículo
Acceso abierto Artículo DOAJ
Zhipeng KANG et al · Editorial Office of Coal Geology & Exploration · 2026 · ISSN 1001-1986
ObjectiveSuperfine cement-based grouting materials generally suffer from limitations including high bleeding rates, unfavourable rheological properties, poor stability, and strength retrogression. These issues can be mit...
LCC TENDOkdlb2xvZ3k~; TENDOk1pbmluZyBlbmdpbmVlcmluZy4gTWV0YWxsdXJneQ~~Idioma zho
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Open Access
3-Hydroxykynurenine bound to eye lens proteins induces oxidative modifications in crystalline proteins through a type I photosensitizing mechanism
Artículo
Acceso abierto Artículo Universidad de Chile
Ávila, Felipe et al · Elsevier Inc · 2019 · ISSN 18734596
Photosensitized reactions mediated by endogenous chromophores have been associated with the etiology of age-related cataract disease. Endogenous chromophores such as 3-hydroxykynurenine (3OHKN) can be found in both free ...
Idioma en
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Open Access
An integrative analysis of post-translational histone modifications in the marine diatom Phaeodactylum tricornutum
Artículo
Acceso abierto Artículo CONICET Digital
Veluchamy, Alaguraj et al · BioMed Central · 2015 · ISSN 1474-760X
Background: Nucleosomes are the building blocks of chromatin where gene regulation takes place. Chromatin landscapes have been profiled for several species, providing insights into the fundamental mechanisms of chromatin...
Idioma eng
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Open Access
Anatomy of a failure: a retrospective evaluation of a cognitive bias modification intervention to promote physical activity in cardiac rehabilitation
Artículo
Acceso abierto Artículo DOAJ
Stéphane Cullati et al · BMJ Publishing Group · 2026 · ISSN 2044-6055
Objectives Promoting regular physical activity (PA) is essential in cardiac rehabilitation; yet many patients exhibit low levels of PA. In January 2022, the Improving Physical Activity (IMPACT) trial, a randomised contro...
LCC LCC:MedicineIdioma eng
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Open Access
Associations of the first trimester exposure to PM2.5 components and offspring atopic dermatitis: Effect modification by systemic low-grade inflammation
Artículo
Acceso abierto Artículo DOAJ
Xin Ming et al · Elsevier · 2026 · ISSN 0147-6513
Prenatal exposure to fine particulate matter (PM2.5) has been associated to childhood atopic dermatitis (AD), but the critical exposure window and the role of maternal inflammatory pathways remain unclear. We analyzed 40...
LCC LCC:Environmental pollution; TENDOkVudmlyb25tZW50YWwgc2NpZW5jZXM~Idioma eng
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Open Access
Chemical characterization and gut microbial response unveil modification of polystyrene polymer in the lesser mealworm
Artículo
Material complementario disponible Artículo DOAJ
Felice Zarra et al · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract The massive production of plastics, together with inadequate waste management, has intensified the problem of plastic pollution. Recently, the scientific community has increasingly investigated the interactions ...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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Comparison of Modification of Diet in the Renal Disease (MDRD) and Cockroft-Gault (CG) Formulas for Estimating Glomerular Filtration Rate (GFR) in Patients Metabolic Syndrome
Artículo
Acceso abierto Artículo DOAJ
Hüseyin ÇAT et al · Turkish Society of Nephrology · 2019 · ISSN 2667-4440
OBJECTIVE: Comparison of Glomerular Filtration Rate (GFR), by Cockroft-Gault (CG) and Modification of Diet in the Renal Disease (MDRD) formulas in metabolic syndrome patients. MATERIAL and METHODS: 999 patients attend...
LCC LCC:Internal medicine; TENDOlBlZGlhdHJpY3M~Idioma eng
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Open Access
Dietary diversity and child malnutrition in Ghana: a nationally representative analysis of socioeconomic gradients and effect modification
Artículo
Material complementario disponible Artículo DOAJ
Goldfield Edem Azumah et al · BMJ Publishing Group · 2026 · ISSN 2044-6055
Background Inadequate dietary diversity during complementary feeding contributes to high childhood malnutrition rates in sub-Saharan Africa. Understanding relationships between dietary quality and nutritional outcomes ac...
LCC LCC:MedicineIdioma eng
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Epigenetic modifications in cancer drug resistance: molecular mechanisms and therapeutic interventions
Artículo
Acceso abierto Artículo DOAJ
Jingyi Yang et al · Springer · 2026 · ISSN 2662-8651
Abstract Therapeutic resistance remains a major cause of treatment failure and disease recurrence across cancer types, considerably limiting the long-term efficacy of chemotherapies, targeted therapies, and immunotherapi...
LCC LCC:MedicineIdioma eng
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Open Access
Etching-assisted femtosecond laser modification of hard materials
Artículo
Acceso abierto Artículo DOAJ
Liu Xue-Qing et al · Editorial Office of Opto-Electronic Journals Group, Institute of Optics and Electronics, CAS, China · 2019 · ISSN 2096-4579
With high hardness, high thermal and chemical stability and excellent optical performance, hard materials exhibit great potential applications in various fields, especially in harsh conditions. Femtosecond laser ablation...
LCC TENDOk9wdGljcy4gTGlnaHQ~Idioma eng
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Open Access
Fabrication of highly homogeneous and controllable nanogratings on silicon via chemical etching-assisted femtosecond laser modification
Artículo
Acceso abierto Artículo DOAJ
Huang Ji et al · Wiley · 2019 · ISSN 2192-8606
Femtosecond laser direct writing is widely exploited in surface periodic structures processing. However, this technique still faces challenges in obtaining high surface homogeneity and flexible morphology controllability...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
Heat-not-burn tobacco induces protein post-translational modifications and apoptosis in bronchial cells: possible role in rheumatoid arthritis
Artículo
Acceso abierto Artículo DOAJ
Roberta Priori et al · BMJ Publishing Group · 2026 · ISSN 2056-5933
Objectives Smoking is recognised as one of the strongest environmental risk factors for the development of rheumatoid arthritis (RA). Cigarette smoke increases protein post-translational modifications (PTMs), including c...
LCC LCC:MedicineIdioma eng
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Open Access
Heterochromatin and histone modifications in the germline-restricted chromosome of the zebra finch undergoing elimination during spermatogenesis
Artículo
Material complementario disponible Artículo CONICET Digital
Goday, Clara et al · Springer Verlag Berlín · 2010 · ISSN 0009-5915
In the zebra finch (Taeniopygia guttata) a germline-restricted chromosome (GRC) is regularly present in males and females. While the GRC is euchromatic in oocytes, in spermatocytes this chromosome is cytologically seen a...
Idioma eng
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