Although extraction at sub-zero temperatures is suitable for all plant species examined in this study, this method might be complicated for a large number of samples and it requires liquid nitrogen and equipment for leaf grinding. Using DMF as an extractant is simple and suitable with Arabidopsis samples.

However, this solvent cannot completely block the formation of chlorophyllide in thicker leaves.”
“Trauma is a common cause of death in neonatal New Zealand sea lion pups, and subadult male sea lions have been observed picking up and violently shaking some pups. In humans, axonal injury is a common result of traumatic brain injury, and can be due to direct trauma to axons or to ischaemic damage secondary to trauma. ‘Shaken baby syndrome’, which has been described in human

infants, is characterised by retinal and intracranial subdural haemorrhages, and has been associated with axonal injury to the brain, BTSA1 spinal cord and optic nerve. This study identifies mechanisms of traumatic brain injury in New Zealand sea lion pups, including impact injuries and shaking-type injuries, and identifies gross lesions of head trauma in 22/36 sea lion pups found dead at a breeding site in the Auckland Islands. Despite the high frequency of such gross lesions, only three of the pups had died of traumatic brain injury. Observational studies confirmed that shaking of pups occurred, but none were shown to die as a direct result of these shaking events. Axonal www.selleckchem.com/products/ferrostatin-1-fer-1.html injury was evaluated in all 36 pup brains using beta-amyloid precursor protein immunohistochemistry. Immunoreactive axons were present

in the brains of all pups examined including seven with vascular axonal injury and two with diffuse axonal injury, but the severity and pattern of injury was not reliably associated with death due to traumatic Pevonedistat price brain injury. No dead pups had the typical combination of gross lesions and immunohistochemical findings that would conform to descriptions of ‘shaken baby syndrome’. Axonal injury was present in the optic nerves of most pups, irrespective of cause of death, but was associated with ischaemia rather than trauma. (C) 2014 Elsevier Ltd. All rights reserved.”
“Due to the two-dimensional confinement of electrons, single-and few-layer MoSe2 nanostructures exhibit unusual optical and electrical properties and have found wide applications in catalytic hydrogen evolution reaction, field effect transistor, electrochemical intercalation, and so on. Here we present a new application in dye-sensitized solar cell as catalyst for the reduction of I-3(-) to I- at the counter electrode. The few-layer MoSe2 is fabricated by surface selenization of Mo-coated soda-lime glass. Our results show that the few-layer MoSe2 displays high catalytic efficiency for the regeneration of I- species, which in turn yields a photovoltaic energy conversion efficiency of 9.