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120 resultados encontrados.

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Enhanced production of cytotoxic secondary metabolites through garlic peel biotransformation using Paecilomyces maximusPQ584815
Artículo
Material complementario disponible Artículo DOAJ
Dina Mahfouz Eskander et al · BMC · 2026 · ISSN 2661-8974
Abstract Research on garlic peel has identified a variety of bioactive compounds. This study highlights the significance of garlic peels and the marine fungal strain Paecilomycesmaximus PQ584815 in generating secondary m...
LCC LCC:Nutrition. Foods and food supply; TENDOkZvb2QgcHJvY2Vzc2luZyBhbmQgbWFudWZhY3R1cmU~Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Factors associated with cerebrospinal fluid abnormalities suggestive of neurosyphilis in HIV-negative patients with secondary syphilis: a retrospective study
Artículo
Material complementario disponible Artículo DOAJ
Lin Zhu et al · Frontiers Media S.A · 2026 · ISSN 2296-858X
ObjectiveTo identify clinical and laboratory factors associated with cerebrospinal fluid (CSF) abnormalities suggestive of neurosyphilis (NS) among HIV-negative patients with secondary syphilis.MethodsWe conducted a retr...
LCC TENDOk1lZGljaW5lIChHZW5lcmFsKQ~~Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
High-resolution visible imaging with piezoelectric deformable secondary mirror: experimental results at the 1.8-m adaptive telescope
Artículo
Acceso abierto Artículo DOAJ
Youming Guo et al · Editorial Office of Opto-Electronic Journals Group, Institute of Optics and Electronics, CAS, China · 2023 · ISSN 2096-4579
Integrating deformable mirrors within the optical train of an adaptive telescope was one of the major innovations in astronomical observation technology, distinguished by its high optical throughput, reduced optical surf...
LCC TENDOk9wdGljcy4gTGlnaHQ~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
How leadership capability influences students’ achievement in Tanzania public secondary schools
Artículo
Acceso abierto Artículo DOAJ
Mwajabu Rajabu Mbwambo et al · Springer · 2026 · ISSN 2731-5525
Abstract The influence of school leadership capabilities on educational organizations is broadly acknowledged, but it is uncertain how they are related to students’ academic achievements, particularly in high, moderate...
LCC TENDOkVkdWNhdGlvbg~~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Hydrolyzed chicken extract (ProBeptigen®) on sleep quality in healthy individuals: a secondary analysis of PSQI global and component scores from a randomized double-blind trial
Artículo
Material complementario disponible Artículo DOAJ
Lee Cheng Phua et al · Frontiers Media S.A · 2026 · ISSN 2296-861X
Background/objectivesPoor sleep is a prevalent health issue. This secondary analysis examined the effects of hydrolyzed chicken extract (ProBeptigen®) on sleep quality outcomes using data from a previously completed sin...
LCC LCC:Nutrition. Foods and food supplyIdioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Immune response in BALB/c mice by polyamine oxidase isomer against infection with secondary hydatid disease.II.Total and differential WBCs count.
Artículo
Material complementario disponible Artículo DOAJ
wathba Edris Tohala et al · University of Mosul, College of Education for Pure Science · 2009 · ISSN 1812-125X
ABSTRACT Polyamine oxidase activity in cerebrospinal fluid of normal children was determined, it was found that specific activity of crude PAO 64.16  8.18 enzyme unit/mg protein. Partial purification of the enzyme was...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Impact of connected secondary fractures on the seismic reflectivity of large primary fractures
Artículo
Acceso abierto Artículo CONICET Digital
Sotelo, Edith et al · Wiley Blackwell Publishing, Inc · 2025 · ISSN 0956-540X
Large fractures tend to dominate the hydraulic and mechanical properties of fracture networks and, consequently, of fractured rock masses. Hence, their characterization is of primary interest in a variety of applications...
Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Improving secondary thermal conduction networks of polymer bonded explosives via covalent and non-covalent interactions
Artículo
Material complementario disponible Artículo DOAJ
Xun-yi Wang et al · KeAi Communications Co. Ltd · 2026 · ISSN 2666-6472
Improving the thermal conductivity of polymer-bonded explosives (PBXs) is an important way to enhance the resultant adaptability of PBXs. This study aimed to optimize the secondary thermal conductivity network through th...
LCC TENDOkNoZW1pY2FsIHRlY2hub2xvZ3k~Idioma eng
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Material complementario
Influence of teacher–student relationships on the academic performance of secondary schools in Addis Ababa, Ethiopia
Artículo
Material complementario disponible Artículo DOAJ
Lemi Dugassa et al · Springer · 2026 · ISSN 2731-5525
Abstract Students’ academic performance in Ethiopia at secondary school is influenced by multiple factors. Among these, teacher–student relationships play a significant role in shaping learning outcomes. This study e...
LCC TENDOkVkdWNhdGlvbg~~Idioma eng
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Material complementario
Isolated secondary tricuspid regurgitation after left-sided valve surgery: impact on clinical outcomes
Artículo
Material complementario disponible Artículo DOAJ
Dana Cramariuc et al · BMJ Publishing Group · 2026 · ISSN 2053-3624
Background Secondary tricuspid regurgitation (TR) often develops or persists following left-sided valve surgery. However, its impact on outcomes and the optimal timing of intervention is unclear. This study examined the ...
LCC TENDOkRpc2Vhc2VzIG9mIHRoZSBjaXJjdWxhdG9yeSAoQ2FyZGlvdmFzY3VsYXIpIHN5c3RlbQ~~Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Knowledge of the plant kingdom among secondary students with special needs in India: an analysis
Artículo
Material complementario disponible Artículo DOAJ
T. Premalatha et al · Springer · 2026 · ISSN 2731-5525
Abstract Inclusive education seeks to provide equitable learning opportunities to students with diverse needs. While the “plant kingdom” is a foundational concept in biology, studies show that students—including th...
LCC TENDOkVkdWNhdGlvbg~~Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
La educación secundaria en la España democrática: antecedentes, problemas y perspectivas Secondary education in democratic Spain: prior contex, problems and perspectives
Artículo
Acceso abierto Artículo DOAJ
Manuel De Puelles Benítez · Fundação Carlos Chagas · 2011 · ISSN 0100-1574
A la hora de examinar los problemas de la educación secundaria en España resulta preciso analizar el contexto histórico en que se produjeron, las grandes reformas de los últimos cuarenta años, los aciertos y los err...
LCC TENDOlNwZWNpYWwgYXNwZWN0cyBvZiBlZHVjYXRpb24~; TENDOlNvY2lvbG9neSAoR2VuZXJhbCk~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Male ECE Students in Post-secondary Classrooms: Enrolment and Retention
Artículo
Material complementario disponible Artículo DOAJ
Anthony Randall · Humber Polytechnic Press · 2018 · ISSN 2561-5904
This study examines the underrepresentation of male Early Childhood Education (ECE) students in post-secondary classrooms. Through the implementation of a mixed methods design, quantitative data on student enrolment and ...
LCC TENDOlRlY2hub2xvZ3k~; TENDOlNwZWNpYWwgYXNwZWN0cyBvZiBlZHVjYXRpb24~Idioma eng
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Material complementario
Menstrual Hygiene Knowledge and Its Determinants Among Adolescent Secondary Schoolgirls in Nasarawa West Senatorial Zone, Nigeria: A Cross‐Sectional Study
Artículo
Acceso abierto Artículo DOAJ
Aishat Temitope Kasali et al · Wiley · 2026 · ISSN 2398-8835
ABSTRACT Background and Aim Menstrual hygiene knowledge is essential for adolescent girls' health, dignity, and school participation. Despite increasing research in Nigeria, evidence from North‐Central states is limite...
LCC LCC:MedicineIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Orientações nacionais para a reforma do ensino médio: dogma e liturgia The national directions proposal for secondary school: dogma and liturgy
Artículo
Acceso abierto Artículo DOAJ
Maria Sylvia Simões Bueno · Fundação Carlos Chagas · 2000 · ISSN 0100-1574
O estudo analisa criticamente os fundamentos das atuais diretrizes nacionais para o ensino médio brasileiro, dando especial enfoque à sua coerência com tendências mundiais e seus nexos com recomendações de agência...
LCC TENDOlNwZWNpYWwgYXNwZWN0cyBvZiBlZHVjYXRpb24~; TENDOlNvY2lvbG9neSAoR2VuZXJhbCk~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Oxalate Nephropathy Secondary to Chronic Pancreatitis: Case Report
Artículo
Material complementario disponible Artículo DOAJ
Nergiz BAYRAKCI et al · Turkish Society of Nephrology · 2019 · ISSN 2667-4440
Chronic pancreatitis is a rare cause of oxalate nephropathy. The aim of this case report was to present a patient hospitalized with acute kidney injury who was diagnosed with oxalate nephropathy and concurrent chronic pa...
LCC LCC:Internal medicine; TENDOlBlZGlhdHJpY3M~Idioma eng
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Material complementario
Personalized Smartphone Messaging for Secondary Prevention After Percutaneous Coronary Intervention: Randomized Controlled Trial
Artículo
Acceso abierto Artículo DOAJ
Sunki Lee et al · JMIR Publications · 2026 · ISSN 1438-8871
Abstract BackgroundCardiac rehabilitation improves outcomes after percutaneous coronary intervention (PCI), but participation remains suboptimal due to barriers such as distance, cost, and lack of referral. M...
LCC TENDOkNvbXB1dGVyIGFwcGxpY2F0aW9ucyB0byBtZWRpY2luZS4gTWVkaWNhbCBpbmZvcm1hdGljcw~~; LCC:Public aspects of medicineIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Phacolytic Glaucoma Secondary to Mature Senile Cataract in an Elderly Female: A Case Report
Artículo
Acceso abierto Artículo DOAJ
Suyash Singh et al · JCDR Research and Publications Private Limited · 2026 · ISSN 2249-782X
Phacolytic glaucoma is a rare type of secondary open-angle glaucoma caused by leakage of high-molecular-weight lens proteins through an intact capsule of a mature/hypermature cataract. It is most frequently seen in elder...
LCC LCC:MedicineIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Plant hormone-targeted metabolomics revealed the temperature regulation of tuber growth and secondary metabolites in Gastrodia elata f. glauca
Artículo
Acceso abierto Artículo DOAJ
Xinlei Xu et al · Frontiers Media S.A · 2026 · ISSN 1664-462X
IntroductionGastrodia elata f. glauca represents a superior cultivar of G. elata with considerable commercial value and broad market acceptance. The growth of its tubers and the accumulation of bioactive secondary metabo...
LCC TENDOlBsYW50IGN1bHR1cmU~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Predicting mathematics well-being in secondary school students: An integrated model of self-determination and social support in Indonesia
Artículo
Acceso abierto Artículo DOAJ
Tommy Tanu Wijaya et al · Institut Keguruan dan Ilmu Pendidikan Siliwangi; Indonesia Mathematics Educators' Society · 2026 · ISSN 2089-6867
Improving students’ mathematical wellbeing is important because it supports their positive feelings toward mathematics and contributes to better learning outcomes. However, limited research has explored which factors i...
LCC TENDOkVkdWNhdGlvbiAoR2VuZXJhbCk~; LCC:MathematicsIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Prevalence of Vitamin D Deficiency in Patients with Stage 3/4 Chronic Kidney Disease and Its Relation to Secondary Hyperparathyroidism
Artículo
Material complementario disponible Artículo DOAJ
Ayşe Selcen Pala et al · Turkish Society of Nephrology · 2019 · ISSN 2667-4440
Objective: The extent of bone mineral disorders in predialysis patients is not well defined. This study aimed to detect the prevalence of both 25-hydroxyvitamin D (25(OH)D) and 1,25-dihydroxyvitamin D (1,25(OH)2D) defici...
LCC LCC:Internal medicine; TENDOlBlZGlhdHJpY3M~Idioma eng
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Primary Hyperparathyroidism as a Cause of Secondary Hypertension
Artículo
Acceso abierto Artículo DOAJ
Mehmet GÜNDÜZ et al · Turkish Society of Nephrology · 2019 · ISSN 2667-4440
Primary hyperparathyroidism is an endocrinological disorder characterized by secretion of parathormone and hypercalcemia. More than 80% of the cases are asymptomatic and are diagnosed during differential diagnosis of hyp...
LCC LCC:Internal medicine; TENDOlBlZGlhdHJpY3M~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Protocol: Strategy instruction for improving short‐ and long‐term writing performance on secondary and upper‐secondary students: A systematic review
Artículo
Acceso abierto Artículo DOAJ
André Kalmendal et al · SAGE Publishing · 2024 · ISSN 1891-1803
Abstract This is the protocol for a Campbell systematic review. The objectives are as follows. This review aims to investigate the effectiveness of all types of teacher‐delivered classroom‐based strategy instruction ...
LCC TENDOlNvY2lhbCBTY2llbmNlcw~~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Reflexão sobre alguns desafios do ensino médio no Brasil hoje Some contemporary challenges of secondary education in Brazil
Artículo
Acceso abierto Artículo DOAJ
Nora Krawczyk · Fundação Carlos Chagas · 2011 · ISSN 0100-1574
A proposta deste artigo é desenvolver algumas ideias que possam contribuir para o debate sobre o ensino médio no Brasil, a partir das condições existentes nas instituições, das políticas educacionais em curso e do...
LCC TENDOlNwZWNpYWwgYXNwZWN0cyBvZiBlZHVjYXRpb24~; TENDOlNvY2lvbG9neSAoR2VuZXJhbCk~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access