First Reports and Morphological and Molecular Characterization of and Associated with Chickpea in Ethiopia.

Chickpea ( L.) is classed among the most important leguminous crops of high economic value in Ethiopia. Two plant-parasitic nematode species, and , were recovered from chickpea-growing areas in Ethiopia and characterized using molecular and morphological data, including the first scanning electron microscopy data for .

Providing a Purposeful and Stimulating Volunteer Opportunity for Older Adults With Mild Cognitive Impairment: A Pilot Study.

Social interactions have cognitive and emotional benefits for older adults with mild cognitive impairment (MCI). The prevalence of loneliness and isolation in this population has been repeatedly noted, but interventions remain limited. We designed a program to connect older adults with MCI with an engaging volunteering opportunity, through videoconferencing conversations with another adult practicing English (English language learner).

In vitro culture of hematopoietic stem cell niche using angiopoietin-1-coupled alginate hydrogel.

Stem cells exist and maintain their quiescence and pluripotency in stem cell niche. Here, we hypothesized that regulation of cell-cell interactions using a polymeric scaffold as synthetic extracellular matrix (ECM) could be critical in creating a hematopoietic stem cell (HSC) niche in vitro. Angiopoietin-1 (Ang1) binds to the tyrosine kinase receptor (Tie2), and regulation of the Tie2/Ang1 interaction is important in maintaining the quiescence of HSCs in vivo.

Vein wall shrinkage induced by thermal coagulation with high-intensity-focused ultrasound: numerical modeling and experiments in sheep.

Background: Varicose veins are a common disease that may significantly affect quality of life. Different approaches are currently used in clinical practice to treat this pathology.

Materials And Methods: In thermal therapy (radiofrequency or laser therapy), the vein is directly heated to a high temperature to induce vein wall coagulation, and the heat induces denaturation of the intramural collagen, which results macroscopically in vein shrinkage.

Efficacy and safety assessment of an ultrasound-based thermal treatment of varicose veins in a sheep model.

Varicose veins are a common pathology that can be treated by endovenous thermal procedures like radiofrequency ablation (RFA). Such catheter-based techniques consist in raising the temperature of the vein wall to 70 to 120 °C to induce vein wall coagulation. Although effective, this treatment option is not suited for all types of veins and can be technically challenging.

Noninvasive vascular occlusion with HIFU for venous insufficiency treatment: preclinical feasibility experience in rabbits.

Venous insufficiency is a common disease arising when veins of the lower limb become incompetent. A conventional surgical strategy consists in stripping the incompetent veins. However, this treatment option is invasive and carries complication risks.

Influence of Skin and Subcutaneous Tissue on High-Intensity Focused Ultrasound Beam: Experimental Quantification and Numerical Modeling.

High-intensity focused ultrasound (HIFU) enables the non-invasive thermal ablation of tumors. However, numerical simulations of the treatment remain complex and difficult to validate in clinically relevant situations. In this context, needle hydrophone measurements of the acoustic field downstream of seven rabbit tissue layers comprising skin, subcutaneous fat and muscle were performed in different geometrical configurations.

Simulation of high-intensity focused ultrasound lesions in presence of boiling.

Background: The lesions induced by high-intensity focused ultrasound (HIFU) thermal ablations are particularly difficult to simulate due to the complexity of the involved phenomena. In particular, boiling has a strong influence on the lesion shape. Thus, it must be accounted for if it happens during the pulses to be modeled.

Manifestation of Lambert-Eaton myasthenic syndrome during last trimester of pregnancy.

Lambert-Eaton myasthenic syndrome (LEMS) is a rare immune-mediated disorder of neuromuscular junctions. The knowledge of the effects of pregnancy on the course of patients with LEMS is limited. Here we describe a patient without a history of previous known illness who has complained of weakness during the last trimester of her pregnancy, delivered a healthy baby and was diagnosed with non-paraneoplastic LEMS during the postpartum period.

Real-time chirp-coded imaging with a programmable ultrasound biomicroscope.

Ultrasound biomicroscopy (UBM) of mice can provide a testing ground for new imaging strategies. The UBM system presented in this paper facilitates the development of imaging and measurement methods with programmable design, arbitrary waveform coding, broad bandwidth (2-80 MHz), digital filtering, programmable processing, RF data acquisition, multithread/multicore real-time display, and rapid mechanical scanning ( View Article and Find Full Text PDF

A novel system for mild hypothermia.

Mild hypothermia has been shown to provide protective effects in patients with ischemia (e.g. acute stroke and heart attack), but traditional methods for inducing, maintaining, and reversing hypothermia are slow, difficult to administer and control, and uncomfortable for patients.

Sound focusing in rooms. II. The spatio-temporal inverse filter.

The potential of time reversal processing for room acoustics has been extensively investigated in the companion of this paper [J. Acoust. Soc.

Transient elastography: a new noninvasive method for assessment of hepatic fibrosis.

Chronic hepatitis is accompanied by progressive deposit of hepatic fibrosis, which may lead to cirrhosis. Evaluation of liver fibrosis is, thus, of great clinical interest and, up to now, has been assessed with liver biopsy. This work aims to evaluate a new noninvasive device to quantify liver fibrosis: the shear elasticity probe or fibroscan.

Ultrarapid, convection-enhanced intravascular hypothermia: a feasibility study in nonhuman primate stroke.

Background And Purpose: Hypothermia has been shown to be neuroprotective in a variety of clinical settings. Unfortunately, poor delivery techniques and insufficient data in appropriate preclinical models have hampered its development in human stroke. To address these limitations, we have devised a 10F intravascular catheter capable of rapid systemic cooling of nonhuman primates.

Sound focusing in rooms: the time-reversal approach.

New perspectives in audible range acoustics, such as virtual sound space creation and active noise control, rely on the ability of the rendering system to recreate precisely a desired sound field. This ability to control sound in a given volume of a room is directly linked to the capacity to focus acoustical energy both in space and time. However, sound focusing in rooms remains a complicated problem, essentially because of the multiple reflections on obstacles and walls occurring during propagation.

Taking advantage of multiple scattering to communicate with time-reversal antennas.

We present an experimental demonstration showing that, contrary to first intuition, the more scattering a mesoscopic medium is, the more information can be conveyed through it. We used a multiple input-multiple output configuration: a multichannel ultrasonic time-reversal antenna is used to transmit random series of bits simultaneously to different receivers which were only a few wavelengths apart. Whereas the transmission is free of error when multiple scattering occurs in the propagation medium, the error rate is huge in a homogeneous medium.

Safety and performance of a novel intravascular catheter for induction and reversal of hypothermia in a porcine model.

Objective: This study was undertaken to assess the acute safety and feasibility of rapidly inducing, maintaining, then reversing hypothermia using a novel heat transfer catheter and a closed-loop automatic feedback temperature control system to overcome limitations imposed by current clinical practices used for perioperative cooling and warming.

Methods: Six swine (mean mass, 53.8 +/- 3.

Autoantibodies to islet amyloid polypeptide in diabetes.

Islet amyloid polypeptide (IAPP) is the constituent peptide of amyloid in pancreatic islets of Type 2 diabetic patients and in insulinomas. Amyloid formation in Type 2 diabetes is associated with islet cell destruction which may promote formation of autoantibodies to IAPP. An ELISA method has been developed to detect IAPP autoantibodies and used to assay serum from 80 non-diabetic subjects, 49 Type 1 and 228 Type 2 diabetic patients, and 10 patients with insulinomas.