Research works

Atypical Skull Base Metastasis from Pediatric Extremity Chondroblastic Osteosarcoma Detected by Surveillance 18F-FDG PET/CT: A Case Report with Focused Literature Review

F-FDG PET/CT in detecting atypical metastatic sites that may not be routinely assessed by conventional surveillance strategies. In addition, the focused literature review underscores the exceptional rarity of skull base involvement in pediatric chondroblastic osteosarcoma and sup...

Thermodynamic Control of Excitation Transport Regimes in Nanocrystal Solids

Abstract Controlling excitation transport is central to the operation of light-harvesting and light-emitting devices based on nanocrystal films. Exciton diffusion is typically described as hopping through a homogeneous medium; however, even highly monodisperse nanocrystal ensembl...

Saldanha–Marletto–Vedral (2026): Verified Parameter Briefing.

Saldanha–Marletto–Vedral (2026): Verified Parameter Briefing thesis.

E8 Antipodal Coherence Threshold — Critical φ-Sync Limit at N=233 — E8 Intelligence Research

Building on the 180° antipodal inversion principle, we discover that diametrically opposed E8 root pairs achieve stable bidirectional information transfer only when their shell count exceeds N=233 — the 13th Fibonacci number. Below this threshold, antipodal resonance collapses in...

Comparative Evaluation of Coronal Microleakage Associated with Different Intra-Orifice Barrier Protocols in Endodontically Treated Maxillary Anterior Teeth

Preventing coronal microleakage is crucial for long-term endodontic success; this ex vivo study compared the sealing performance of five intra-orifice barrier (IOB) material application protocols with that of a no-IOB control. Sixty maxillary anterior teeth were randomly assigned...

Determinants of neutralizing antibody responses after SARS-CoV-2 infection in vaccinated and non-vaccinated individuals

SARS-CoV-2 infection induces neutralizing antibodies (nAbs) which are essential for clearing the virus and protecting against severe disease. We aimed to compare nAb titers between vaccinated and non-vaccinated subjects and evaluate factors associated with nAb responses. A total...

A qualitative study identifying barriers and policy solutions for healthcare access among migrants and Maya populations in Belize

Abstract Background Despite constitutional guarantees of healthcare access, migrant and Maya populations in Belize face significant barriers at the health facility level. Foreign nationals (11.5% of the population) and Maya communities (9.8%) constitute a substantial share of Bel...

Outcomes of endoscopic sinus surgery (ESS) on sino-orbital osteomas: ophthalmic manifestations and visual outcomes from a 12-year multicenter experience and literature review

Osteomas are the most common benign craniofacial bone tumors that may extend into the orbital cavity. While the majority of them remain asymptomatic, orbital involvement can lead to clinically significant ophthalmologic manifestations. Although endoscopic sinus surgery (ESS) has...

Daily unhealthy food purchase and associated factors among adolescents in urban Dire Dawa, eastern Ethiopia: A community-based cross-sectional study

Background Unhealthy food consumption is a growing concern among adolescents in low- and middle-income countries. Evidence on unhealthy food purchase in eastern Ethiopia remains limited. This cross-sectional study assessed the prevalence of daily unhealthy food purchase and assoc...

Is the antihypertensive activity of Hibiscus sabdariffa affected by factors such as origin of the plant and time of decoction? Implications for clinical practice

Abstract Hibiscus sabdariffa is effective against hypertension in clinical trials, with a dose-response effect, making it an important, accessible and sustainable treatment. The aim of the present work was to clarify the influence of origin of Hibiscus on clinical effect and deco...

An Examination of the Reasons for, and Variability of, the Differences Between Response Spectra and Pseudo Response Spectra

For many decades, it has been common practice to overlook the differences between response spectra and pseudo response spectra. This practice stems from analyses indicating that the average difference between response spectra and pseudo response spectra is negligible for a viscou...

Advocacy— Fürsprache : The situation of rhetorical speech and the history of rhetoric

Abstract This essay examines rhetoric from the standpoint of “ Fürsprache ” or advocacy speech. This perspective brings into focus the interconnections between rhetoric's legal institution, its form of speech and overarching objectives, and its particular linguistic procedures. R...

Hydrosilane-Free Access to Iridium-NNSi Catalysts via Activation of Unstrained Si–C Bonds for C(sp3)–H Borylation

Abstract Hydrosilane-free access to iridium–silyl species is achieved via cleavage of unstrained Si–C bonds within pyridyl-based ligand scaffolds. Treatment of (triorganosilyl)methyl-substituted 2,2′-bipyridine and 1,10-phenanthroline ligands with a tris(boryl)iridium complex ind...

The first reads are not a random sample: archive FASTQ files from aligned submissions can inflate two-million-read telomeric estimates 7- to 10-fold

Whole-genome sequencing files are large, and a common shortcut is to analyse only their first few million reads. That is safe only if the order of reads in the file carries no information. We asked whether the shortcut distorts a rare signal, the share of reads made of telomeric...

Thinking with Objects. Understanding Non-Representational Cognitive Artifacts

This paper defends the notion of cognitive artifacts that do not serve representational functions. Contrary to the standard account of cognitive artifacts as representational, we argue that it is possible to distinguish a special class of artifacts that fulfill cognitive roles wi...

Separating Common-Factor from Covariate-Specific Spillovers: An Exact SLX Score-Test Decomposition

This paper studies the score test for spatially lagged regressors (WX) in SLX modelswhen the data may also exhibit spatial dependence in the lagged dependent variable or theerror term. Building on the exact score identity of Koley (2024), Sρ = Sλ + ˆ β′ncSθ, we show that the unad...

When to stop? assessing the appropriate cycle of ovulation induction with timed intercourse in letrozole- or clomiphene citrate-sensitive polycystic ovary syndrome

To study how many cycles of ovulation induction with timed intercourse were appropriate for PCOS patients sensitive to letrozole or clomiphene citrate. A prospective study. A total of 655 women with PCOS were included who underwent 2633 cycles with ovulation induction followed by...

Effects and social design features of physical activity interventions on loneliness and subjective well-being in older adults: a systematic review

Physical activity is promoted in later life, yet its capacity to reduce loneliness or improve subjective well-being remains uncertain when social contact is incidental rather than intentionally designed. This review synthesised controlled intervention evidence and examined how so...

BASE 44 ORDER: Build breakthrough cache table, script, timer, and modify lookup — E8 Intelligence Research

Andrew's order (Base 44 console): [SELF-BUILD from enhancement #1223] Create breakthrough_phase_cache table with phase_bucket SMALLINT, breakthrough_id BIGINT, UNIQUE(phase_bucket, breakthrough_id). Add GIN index on phase_bucket. Write Python script computing (id*137)%240, run vi...

Thermal and elasto-plastic simulations of dual-laser powder bed fusion and comparative study of various scan strategies

Abstract Laser powder bed fusion involves highly localized and transient heat input, resulting in steep thermal gradients and residual stresses that may lead to distortion, cracking, and non-uniform mechanical properties. Dual-laser powder bed fusion (D-LPBF) incorporates a secon...