Results 61 to 70 of about 2,865,935 (280)

The optical selection rules of a graphene quantum dot in external electric fields

open access: yes, 2017
We study theoretically the single-electron triangular zigzag graphene quantum dot in three typical in-plane electric fields. The far-infrared absorption spectra of the dot are calculated by the tight-binding method and then the optical selection rules ...
Dong, Qing-Rui, Liu, Chun-Xiang
core   +1 more source

HIV induces expression of complement component C3 in astrocytes by NF-κB-dependent activation of interleukin-6 synthesis [PDF]

open access: yes, 2017
Background Abnormal activation of the complement system contributes to some central nervous system diseases but the role of complement in HIV-associated neurocognitive disorder (HAND) is unclear.
Borjabad, Alejandra   +8 more
core   +2 more sources

Remarkable Recovery After Delayed High‐Dose Methylprednisolone in a Rare Case of Penetrating Spinal Cord Injury

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Traumatic spinal cord injury (TSCI) caused by sharp‐force penetration is exceptionally rare, and the use of high‐dose methylprednisolone (MP) remains highly controversial, especially beyond the conventional 8‐h treatment window. This case report describes a 30‐year‐old male with acute incomplete TSCI following a knife stab wound to the right ...
Honghong Wang   +5 more
wiley   +1 more source

Study of the trace metal ion influence on the turnover of soil organic matter in cultivated contaminated soils [PDF]

open access: yes, 2006
The role of metals in the behaviour of soil organic matter (SOM) is not well documented. Therefore, we investigated the influence of metals (Pb, Zn, Cu and Cd) on the dynamic of SOM in contaminated soils where maize (C4 plant) replaced C3 cultures. Three
Benedetti, Marc F.   +4 more
core   +2 more sources

Association Between Motor Pathway Damage and Motor Deficit in Upper and Lower Limb in People With MS

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Corticospinal tract damage is common in people with MS, but the degree of clinical symptoms varies. We hypothesize that corticospinal tract lesions are more extensive and severe in people with MS with motor impairments in both upper and lower limbs.
Mathilde Liffran   +13 more
wiley   +1 more source

An Investigation of Some Immunological and Hematological Variables in Women with Systemic Lupus Erythematosus

open access: yesMedical Journal of Babylon
Background:The autoimmune disease systemic lupus erythematosus (SLE) can cause multisystemic tissue damage because of the interaction between the autoantibodies and self-antigens.
Hawraa S. Al-Mozani, Sajidah F. Hasan
doaj   +1 more source

Recurrent Hypothermia and Autonomic Dysfunction Secondary to Shapiro Syndrome

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT A 44‐year‐old man presented with recurrent hypothermia, diaphoresis and hypertension. Extensive investigation for infectious, inflammatory, metabolic and endocrine aetiologies was negative. MR scan of the brain demonstrated no lesions but revealed callosal dysgenesis, consistent with Shapiro syndrome.
Naveen Kumar   +3 more
wiley   +1 more source

A SINGLE CENTRE EXPERIENCE OF LOW C3/C4 LEVELS AND OTHER LABORATORY ASPECTS IN TURKISH CHILDREN WITH IMMUNOGLOBULIN A VASCULITIS

open access: yesSabiad
Objective: Immunoglobulin A vasculitis (IgAV) is the most prevalent systemic vasculitis in childhood. This intricate immune-mediated vasculitis affects the small blood vessels in several organ systems.
Şeyda Doğantan, Sema Nur Taşkın
doaj   +1 more source

Volvulus du cæcum, une cause rare d'occlusion intestinale: à propos de deux cas

open access: yesThe Pan African Medical Journal, 2017
Le Cæcum est, en fréquence, la deuxième partie du colon concernée par le volvulus après le sigmoïde et avant l'angle gauche et le côlon transverse. Cette affection survient sur des cæcums anormalement mobiles.
Khalid Mazine   +6 more
doaj   +1 more source

TRAPPIST photometry and imaging monitoring of comet C/2013 R1(Lovejoy): Implications for the origin of daughter species

open access: yes, 2015
We report the results of the narrow band photometry and imaging monitoring of comet C/2013 R1 (Lovejoy) with the robotic telescope TRAPPIST (La Silla observatory). We gathered around 400 images over 8 months pre- and post-perihelion between September 12,
Gillon, M.   +5 more
core   +1 more source

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