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Digital questionnaire platform in The Danish Blood Donor Study
The Danish Blood Donor Study was established in 2010 and by the fall of 2015, 100,000 Danish blood donors had been included. At inclusion, plasma and blood for DNA analyses are collected and saved in the biobank and all participating donors have completed a four-page paper-based questionnaire on health related issues. To be more cost-effective, we have developed and implemented a digital tablet-based questionnaire platform, using the open source survey software tool LimeSurvey. Here we describe the details of methods for the platform which enables a faster and more flexible procedure to collect valid questionnaire data fro...
Source: Computer Methods and Programs in Biomedicine - July 20, 2016 Category: Bioinformatics Authors: KS Burgdorf, N Felsted, S Mikkelsen, MH Nielsen, LW Th ørner, OB Pedersen, E Sørensen, KR Nielsen, MT Bruun, T Werge, C Erikstrup, T Hansen, H Ullum Source Type: research

Human field of regard, field of view, and attention bias
• A novel method for assessment and rehabilitation of field of view (FOV) and field of regard (FOR) is proposed.• We found a unique characteristic in the FOR condition that did not exist in the FOV and FOR-cue conditions: The target responses were faster for the left side than the right side.• This work is an important foundation for people who have FOR handicaps and future 3D UI design. (Source: Computer Methods and Programs in Biomedicine)
Source: Computer Methods and Programs in Biomedicine - July 18, 2016 Category: Bioinformatics Authors: Woncheol Jang, Joon-Ho Shin, Mingyu Kim, Kwanguk (Kenny) Kim Source Type: research

Single-image based methods used for non-invasive volume estimation of cancer spheroids: a practical assessing approach based on entry-level equipment.
We presented a novel approach to assess effectiveness of volume estimation method (Source: Computer Methods and Programs in Biomedicine)
Source: Computer Methods and Programs in Biomedicine - July 17, 2016 Category: Bioinformatics Authors: Filippo Piccinini, Anna Tesei, Alessandro Bevilacqua Source Type: research

Peristaltic flow of powell-eyring fluid in curved channel with heat transfer: a useful application in biomedicine
• Peristaltic (blood) flow in curved channel having complaint walls is considered.• Problem formulation is based on constitutive equations of well known Powell-Eyring fluid.• Velocity slip and temperature jump conditions are employed.• Symmetry in the velocity and temperature profiles is not preserved in curved channel.• Size and shape of trapped boluses in upper and lower halves are different. (Source: Computer Methods and Programs in Biomedicine)
Source: Computer Methods and Programs in Biomedicine - July 17, 2016 Category: Bioinformatics Authors: S. Hina, M. Mustafa, T. Hayat, A. Alsaedi Source Type: research

Unique identification code for medical fundus images using blood vessel pattern for tele-ophthalmology applications
1. The proposed work presents an accurate method for generation of unique identification code for identification of fundus images for Tele-ophthalmology applications and storage in databases.2. Strategic combination of unique blood vessel pattern and patient Id is considered for generation of unique identification code for the digital fundus images.3. At the diagnosis centre the patient Id is accurately recovered from the unique identification code for that particular image to solve the issue of integrity verification. (Source: Computer Methods and Programs in Biomedicine)
Source: Computer Methods and Programs in Biomedicine - July 14, 2016 Category: Bioinformatics Authors: Anushikha Singh, Malay Kishore Dutta, Dilip Kumar Sharma Source Type: research

Secure anonymous mutual authentication for star two-tier wireless body area networks
• We propose a new secure protocol to realize anonymous mutual authentication and confidential transmission for star topology two-tier wireless body area networks (WBAN).• The proposed protocol uses simple cryptographic primitives, which make it very efficient for implementation on sensors with very limited resources.• We prove the security of the proposed protocol using the widely-accepted Burrows-Abadi-Needham (BAN) logic, and also through rigorous informal security analysis.• In addition, to demonstrate the practicality of our protocol, we evaluate it using NS-2 simulator. (Source: Computer Methods and Programs in Biomedicine)
Source: Computer Methods and Programs in Biomedicine - July 13, 2016 Category: Bioinformatics Authors: Maged Hamada Ibrahim, Saru Kumari, Ashok Kumar Das, Mohammad Wazid, Vanga Odelu Source Type: research

Computational determination of the effects of virulent escherichia coli and salmonella bacteriophages on human gut
• This research paper presents a novel system for detecting the effects of bacteriophages on human gut.• The system studied the effects of bacteriophages that infect E. coli O157:H7, E. coli O104:H4 and Salmonella typhimurium on human gut.• Enterobacteria phage 933W, Enterobacteria phage VT2-Sa and Enterobacteria phage P22 which are bacteriophages that infect E. coli O157:H7, E. coli O104:H4 and Salmonella typhimurium, were chose to study its effect on seven bacterium families exist in human gut. (Source: Computer Methods and Programs in Biomedicine)
Source: Computer Methods and Programs in Biomedicine - July 12, 2016 Category: Bioinformatics Authors: Marwa Mostafa Mostafa, Mohammad Nassef, Amr Badr Source Type: research

Biomechanical comparison between concentrated, follower, and muscular loads of the lumbar column
• The effects of the concentrated, follower, and muscular loads on the lumbar biomechanics during flexion were numerically compared using finite-element method.• The load-related effect on the lumbar rather to calculate the physiological loads of the lumbar.• The kinematic and mechanical const raints significantly affect the profile, stress, and loads of the three modes. (Source: Computer Methods and Programs in Biomedicine)
Source: Computer Methods and Programs in Biomedicine - July 11, 2016 Category: Bioinformatics Authors: Kao-Shang Shih, Pei-Wei Weng, Shang-Chih Lin, Yi-Tzu Chen, Cheng-Kung Cheng, Chian-Her Lee Source Type: research

Biomechanical comparison between concentrated, follower, and muscular loads of the lumbar column
• The effects of the concentrated, follower, and muscular loads on the lumbar biomechanics during flexion were numerically compared using finite-element method.• The load-related effect on the lumbar rather to calculate the physiological loads of the lumbar.• The kinematic and mechanical constraints significantly affect the profile, stress, and loads of the three modes. (Source: Computer Methods and Programs in Biomedicine)
Source: Computer Methods and Programs in Biomedicine - July 11, 2016 Category: Bioinformatics Authors: Kao-Shang Shih, Pei-Wei Weng, Shang-Chih Lin, Yi-Tzu Chen, Cheng-Kung Cheng, Chian-Her Lee Source Type: research

A modified two-stage markov clustering algorithm for large and sparse networks
• A fast and memory efficient, two-stage Markov clustering algorithm is proposed.• The algorithm is designed for the analysis of large and sparse graphs.• The algorithm was validated using real and synthetic protein sequence data.• It can accurately process a million-node BLAST similarity network in 100 minutes. (Source: Computer Methods and Programs in Biomedicine)
Source: Computer Methods and Programs in Biomedicine - July 11, 2016 Category: Bioinformatics Authors: László Szilágyi, Sándor M. Szilágyi Source Type: research

Paroxysmal atrial fibrillation prediction method with shorter HRV sequences
This paper proposes a method that predicts the onset of paroxysmal atrial fibrillation (PAF), using heart rate variability (HRV) segments that are shorter than those applied in existing methods, while maintaining good prediction accuracy. PAF is a common cardiac arrhythmia that increases the health risk of a patient, and the development of an accurate predictor of the onset of PAF is clinical important because it increases the possibility to stabilize (electrically) and prevent the onset of atrial arrhythmias with different pacing techniques. (Source: Computer Methods and Programs in Biomedicine)
Source: Computer Methods and Programs in Biomedicine - July 10, 2016 Category: Bioinformatics Authors: K.H. Boon, M. Khalil-Hani, M.B. Malarvili, C.W. Sia Source Type: research

Effect of infusion tests on the dynamical properties of intracranial pressure in hydrocephalus
Adult hydrocephalus encompasses a heterogeneous group of disorders occurring in a wide range of ages, severity of symptoms and physiological states [1]. Patients with hydrocephalus generally show clinical symptoms, ventriculomegaly and anomalous cerebrospinal fluid (CSF) dynamics [1,2]. Normal pressure hydrocephalus (NPH) can appear as a primary condition [3] or as a consequence of subarachnoid haemorrhage, traumatic brain injury (TBI) or meningitis [1,3]. Implantation of a CSF shunt is the main treatment option [4]. (Source: Computer Methods and Programs in Biomedicine)
Source: Computer Methods and Programs in Biomedicine - July 7, 2016 Category: Bioinformatics Authors: Mar ía García, Jesús Poza, Alejandro Bachiller, David Santamarta, Roberto Hornero Source Type: research

An immune-inspired semi-supervised algorithm for breast cancer diagnosis
Breast cancer develops from breast tissue and usually begins with the formation of a small, confined tumor (lump) or as calcium deposits (micro-calcifications), and then spreads through channels within the breast to the lymph nodes or through the blood stream to other organs. Moreover, breast cancer is an uncontrolled growth of breast cells and usually can only be found after symptoms emerge, but many women in early breast cancer have no symptoms. Nearly one in eight U.S. women have breast cancer some time during their lives [1]. (Source: Computer Methods and Programs in Biomedicine)
Source: Computer Methods and Programs in Biomedicine - July 7, 2016 Category: Bioinformatics Authors: Lingxi Peng, Wenbin Chen, Wubai Zhou, Fufang Li, Jin Yang, Jiandong Zhang Source Type: research

Five multiresolution-based calcium volume measurement techniques from coronary IVUS videos: A comparative approach
Fast intravascular ultrasound (IVUS) video processing is required for calcium volume computation during the planning phase of percutaneous coronary interventional (PCI) procedures. Nonlinear multiresolution techniques are generally applied to improve the processing time by down-sampling the video frames. (Source: Computer Methods and Programs in Biomedicine)
Source: Computer Methods and Programs in Biomedicine - July 7, 2016 Category: Bioinformatics Authors: Sumit K. Banchhor, Tadashi Araki, Narendra D. Londhe, Nobutaka Ikeda, Petia Radeva, Ayman Elbaz, Luca Saba, Andrew Nicolaides, Shoaib Shafique, John R. Laird, Jasjit S. Suri Source Type: research