This paper contributes to characterizing the probability density of the price returns in some European day-ahead electricity markets (NordPool, APX, Powernext) by fitting some flexible and general families of distributions, such as the α-stable, Normal Inverse Gaussian (NIG), Exponential Power (EP), and Asymmetric Exponential Power (AEP), and comparing their goodness of fit. The α-stable and th...

The complete amino acid sequence of an amyloidogenic Bence Jones protein (NIG-84) from an individual with myeloma-associated systemic amyloidosis has been determined. The protein, with a blocked N-terminus, represents a complete light chain consisting of 217 residues and it has a structural feature characteristic of the V lambda II subgroup. In addition to a two-residue insertion at positions 2...

Event-related potentials (ERPs), in response to 4 facial expressions of fear, angry, happy, and sad, were collected from 72 institutionalized children (IG), ages 7 to 32 months, in Bucharest, Romania, and compared with ERPs from 33 children, ages 8 to 32 months, who had never been institutionalized (NIG). The NIG and IG exhibited different patterns of responding in early latency components. Mor...

A fractional normal inverse Gaussian (FNIG) process is a fractional Brownian motion subordinated to an inverse Gaussian process. This paper shows how the FNIG process emerges naturally as the limit of a random walk with correlated jumps separated by i.i.d. waiting times. Similarly, we show that the NIG process, a Brownian motion subordinated to an inverse Gaussian process, is the limit of a ran...

Background/Aims: The use of novel cryo-additive agents to increase cell viability post-cryopreservation is paramount improve future based-therapy treatments. We aimed establish the Human Leukemia (HL-60) cells lipidomic and biological patterns when cryo-preserved in DMSO alone with 300 µM Nigerose (Nig), 200 Salidroside (Sal) or a combination Nig (150 µM) Sal (100 µM). Methods: HL-60 were pre-i...

OBJECTIVE This study included 54-month-old children with a history of institutional care. Our goal was to: (1) examine differences in indiscriminate social behaviors in children with a history of institutional care compared with home-reared children; (2) test whether foster care reduces indiscriminate social behaviors in a randomized controlled trial; and (3) examine early predictors of indiscr...

PURPOSE To evaluate the effect of financial incentive in a diabetes prevention weight loss program at worksites. DESIGN Group-level randomized intervention study. SETTING Four long-term care facilities, randomly assigned to "incentive-IG" or "non incentive-NIG" groups. PARTICIPANTS Ninety-nine employees, all overweight or obese (BMI= mean 34.8±7.4 kg/m2) and at risk for type 2 diabetes. ...

PURPOSE Substantial evidence supports the benefits of an intensivist model of critical care delivery. However, currently, this mode of critical care delivery has not been widely adopted in Korea. We hypothesized that intensivist-led critical care is feasible and would improve ICU mortality after major trauma. MATERIALS AND METHODS A trauma registry from May 2009 to April 2011 was reviewed ret...

Stochastic differential equations driven by standard Brownian motion(s) or Lévy processes are by far the most popular models in mathematical finance, but are also frequently used in engineering and science. A key feature of the class of models is that the parameters are easy to interpret for anyone working with ordinary differential equations, making connections between statistics and other sci...