Scientific Research and Essays

  • Abbreviation: Sci. Res. Essays
  • Language: English
  • ISSN: 1992-2248
  • DOI: 10.5897/SRE
  • Start Year: 2006
  • Published Articles: 2750

SRE Articles

A survey on formation of virtual cellular manufacturing systems (VCMSs) and related issues

October 2012

In an environment with fluctuating demand and unpredictable parts mix compositions, the efficiency of cellular systems necessitates the use of virtual cells. Virtual cellular manufacturing systems (VCMSs) are based on a highly flexible manufacturing concept designed to improve the performance of classical cellular manufacturing systems (CMSs) and job shop manufacturing environment by creating virtual grouping the...

Author(s): Maryam Hamedi, G. R. Esmaeilian, Napsiah Ismail, M. K. A. Ariffin

Is there no urban forestry in the developing world?

October 2012

Urban forestry and greening offer a multitude of benefits to the inhabitants of towns and cities. However, the nature and magnitude of these frequently depend upon the context. Yet, at first glance, the developing world context around urban forestry debates seems to be poorly represented in the international peer-reviewed literature. This is examined in this paper, followed by a brief outline of ten key research areas...

Author(s): Charlie M. Shackleton

Internal model control - proportional integral derivative controller tuning for first order plus time delayed unstable systems using bacterial foraging algorithm

October 2012

This paper proposes a bacterial foraging optimization (BFO) algorithm based approach to tune the parameters of IMC-PID controller for a class of first order plus time delayed (FOPTD) unstable systems with various ‘θ/τ’ ratios. Initially, the proportional controller based system identification procedure is attempted to convert the higher order unstable process model into an equivalent FOPTD unstable...

Author(s): V. Rajinikanth and K. Latha

Optimal location of facts devices for solving multi-objective optimal power flow (OPF) using improved shuffled leaping frog algorithm

October 2012

Renewable energy is the demand of the future and wind energy plays a very pivotal role in it but the main disadvantage with wind energy is that its efficiency is very low and the main reason for this is the demand for reactive power. If the power network is not able to satisfy the wind farm reactive power requirement, the overall energy losses in the distribution networks would be increased. Hence minimization of...

Author(s): K. Ravi and M. Rajaram

Analysis of leaching kinetics of tincal in phosphoric acid solutions in high temperatures

October 2012

The aim of the study is to propose an alternative process to boric acid generation by researching the dissolution kinetic of tincal in phosphoric acid solutions in high temperature, and to root the procuring of Na2HPO4 that is used commonly as byproduct in industry during the process. Reaction temperature, particle size, stirring speed, acid concentration and solid/liquid ratio were selected as parameters of...

Author(s): Halil Durak and Yasar Genel

Mineral chemistry of K-feldspar megacrystals and petrochemistry of the Keban syenitic intrusive, ElaziÄŸ, Eastern Turkey

October 2012

The Keban syenitic intrusive is composed of porphyric syenite, monzonitic-syenite and monzonite. These rocks were emplaced in a shallow level and display a phaneritic texture with euhedral K-feldspar megacrystals (Kfms) with simple twinning and growth structures. These Kfms contain mafic and felsic inclusions. The fact that the inclusions are usually placed along the longer axis of the K-feldspar crystals and their...

Author(s): Sevcan Kürüm

Development and testing of an intelligent hybrid polymeric composite beam embedded with Ni-Ti shape memory alloy with crack growth retarding ability

October 2012

Hybrid Polymeric Composites (HPC) structural materials pose a challenge of developing microcracks and delaminations under impact and dynamic loads. This paper presents the development and testing of an Intelligent Hybrid Polymeric Composite (IHPC) beam embedded with Ni-Ti Shape Memory Alloy (SMA) with crack growth retarding ability. Upon heating to austenite finish temperature (Af), Ni-Ti SMA wire contracts as a result...

Author(s): W. M. Mwita and A. N. Mtawa

Acute toxicity test of Zn, on Java medaka (Oryzias javanicus) fish as an indicator of estuary pollution

October 2012

The acute toxicity of Zn on Java medaka (Oryzias javanicus) fish was studied. To obtain the results, the experiments were carried out in 3-liter aquariums (15 to 20 fish for each aquarium) with static condition based on O.E.C.D method with 5 treatments, and 1 blank in two repetitions. During the experiment, water physico-chemical factors were pH = 7.7 to 7.9, salinity = 19.3 to 19.7 p.p.t, temperature = 29.1...

Author(s): Khodadoust Daryoush and Ahmad Ismail

An oscillation discovery of the forced vibrating system predicted by the multi-time differential equation

October 2012

In this article, an experiment of the forced oscillating pendulum system was set up. Here, a pendulum is driven sinusoidally by the loudspeaker. From this experiment, the spectrum of output signal of a Hall-effect sensor (UGN3503) which is used to transform the oscillatory motion of the pendulum into an electrical signal, exhibits four sharp frequency peaks, and it is also found that two of these frequency peaks cannot...

Author(s): Kriangsak Prompak, Anucha Kaewpoonsuk, Thongchai Maneechukate and Paramote Wardkein

Experimental analysis of the tool-to-workpiece vibrations transmission during chatter development in milling processes

October 2012

An experimental work to analyze the mechanical vibrations that arise during chatter development in milling processes was conducted. The tool vibrations and the frequencies that are excited at the workpiece due to the tool impacts were studied for various levels of chatter. Tool vibrations were measured with an inductive sensor, while the workpiece vibrations were measured with an accelerometer. The relevance of the...

Author(s): Eduardo Rubio

Angiotensin converting enzyme insertion /deletion polymorphism in angiographically proven coronary artery disease subjects of South India

October 2012

The prevalence of Coronary artery disease (CAD) varies epidemiologically among different population. Environmental and genetic factors play an important role in the pathogenesis of CAD. Angiotensin converting enzyme (ACE) insertion/deletion polymorphism has an effect on the pathogenesis of CAD, through angiotensin II mediated mechanism. In the present study, we have evaluated the association of insertion/deletion...

Author(s): B. Phanikrishna, K. Ramalingam, B. Sowjanya and C. Bhaktavasthala Reddy

Application and efficacy of information technology in construction industry

September 2012

In the 21st century, information technology (IT) is seen as a tool that assists companies to perform more efficiently and effectively. However, many studies have posed the question whether the benefits outweigh the investments. The issue is more serious in the construction industry where there are factors that limit performance such as inadequate training, ineffective use of IT infrastructures, maintenance...

Author(s): Farag H. Gaith, Khalim A. R. and Amiruddin Ismail

Dynamic modeling and analysis of T-source electronic inverter using state space technique

September 2012

T-Source inverter is a single stage power converter which can be used as a cost effective alternative for Z-source inverter. Dynamic modeling and analysis of T-source inverter (TSI) is vital for the determination of system limits, components selection for T-shape impedance network and controller design. A novel dynamic model of TSI in continuous conduction mode using the state space approach has been derived here. The...

Author(s): P. Sivaraman, A. Nirmal Kumar and P. Prem

Supply response of mustard in Bangladesh: A cointegration analysis

September 2012

An attempt has been made in this study to examine the supply response of mustard through cointegration and vector error correction approach. Augmented Dickey-Fuller (ADF) test indicates that all the variables considered have a unit root problem at level form and is stationary at differenced form for which all the data series are I(1). The trace statistic and maximum eign value tests confirm that there is at least one...

Author(s): A. S. M. Anwarul Huq, Fatimah Mohamed Arshad and Md. Ferdous Alam

Chemical characteristics of precipitation in central Liaoning Province, Northeast China

September 2012

The chemical characteristics of precipitation were analyzed based on the chemical composition of principal ionic within acid rain (from February 2007 to January 2008) of Liaozhong Meteorological Station (LMS) located in Malong Village in central Liaoning Province of Northeast China, meteorological conditions on the corresponding period ground, and variation of several air pollutants concentration. The results indicated...

Author(s): Houfeng Liu, Yizhen Chen, Shanzhong Qi and Chunnan Zhang

A review of experimental studies on double-porosity soils

September 2012

Double-porosity is an important characteristic in soil that is found to influence the migration of fluids within the soil. Of late, a number of laboratory experiment studies have been carried out on the flow of water through soil media with double-porosity characteristics as well as on the mechanical aspects of the double-porosity structure of the soil. This paper first introduces the double-porosity concept as apposite...

Author(s): Su Kong Ngien, Norhan Abd. Rahman, Kamarudin Ahmad and Roland W. Lewis

Cytotoxic effect of Mercurialis annua L. methanolic extract on six human solid cancer cell lines

September 2012

The unprecedented rates of resistance of cancer cells to traditional chemotherapeutic medications necessitated relentless exploration and drug design in an attempt to introduce safe and effective new antineoplastic agents. The latter is a particular pivotal to the treatment of solid tumors malignancies which represent the top causes of cancer deaths. Our laboratory has established a line of research to investigate...

Author(s): Yasser Bustanji, Nedhal AlDouri, Ala Issa, Sundus Mashallah, Areej Assaf, Talal Aburjai and Mohammad Mohammad

Production practices and constraints to sheep productivity in two ecologically different and resource-poor communal farming systems of South Africa

September 2012

The objective of the current study was to determine the production practices and constraints to sheep productivity in ecologically different communal areas of South Africa. Direct observations and participatory techniques were also employed to capture data from farmers in Gaga and Sompondo communal villages. Most (70%) of sheep owners were men and were more involved in sheep flock management than adult females and...

Author(s): Luke Mapiliyao, Dumisani Pepe, Raymond Chiruka, Upenyu Marume andVoster Muchenje

Comparative analysis of reactive oxygen species in cigarette smoke under two machine smoking regimes (ISO and Canadian intense conditions) from selected Chinese cigarette brands

September 2012

Cigarette smoke can cause cellular oxidative stress and contributes to various adverse health effects associated with smoke exposure, partially due to reactive oxygen species (ROS) present in cigarette smoke. The purpose of present work is to evaluate toxic potential of selected Chinese blended and flue-cured cigarettes in terms of ROS quantification and effect of different smoking behaviors on the deliveries of ROS in...

Author(s): Hailin Liu, Shihao Sun, Shuhai Peng, Yongli Zong, Peng Li and Jianping Xie

Blind recognition of mixed and disturbed correlated ancient texts

September 2012

Separation and recognition of ancient documents and texts that have been mixed and disturbed over centuries, is an interesting problem in image processing area and it has been investigated by many researchers. In recent years, independent component analysis (ICA) method has been used for solving this problem, but independence of sources is an essential assumption in ICA, whereas in some problems, sources are not...

Author(s): Shahrouz Posht-Panah and Masoudreza Aghabozorgi Sahaf

Estimation of the Rayleigh distribution parameters with presence of k outliers generated from Gamma distribution

September 2012

The moment, maximum likelihood and mixture of the estimators of parameters of the Rayleigh distribution are derived with presence of k outliers generated from Gamma distribution. These estimators are compared empirically when all the parameters are unknown; their Bias and MSE are investigated with the help of numerical technique. We have shown that these estimators are asymptotically unbiased. At the end, we conclude...

Author(s): Afshin Ghanizadeh

Department of Soil Science and Plant Nutrition, Agricultural Faculty, Gaziosmanpasa University, Tokat, Turkey.

September 2012

Meditation is the traditional eastern method to improve health. Leg crossing is the main component on meditation to enhance the inner chi circulation. In this study, leg crossing effects was investigated with physiological parameters for meditation group. Five minute heart rate variability (HRV) and pulse transit time (PTT) was measured as feature for leg crossing. College students were recruited as subjects. There were...

Author(s): Sih-Huei Chen, Congo Tak-Shing Ching and Kang-Ming Chang,

Predicting iron and zinc content of soils in an apple orchard using artificial neural network

September 2012

Evaluation of neural network based simulation models for the prediction of site specific soil properties of the large agricultural areas will provide important technological benefits for the efficient use of land resources and Agricultural Decision Making System. In this study, an artificial intelligence model was investigated for simulation of site specific iron (Fe) and zinc (Zn) levels in the soils of apple orchard...

Author(s): M. Rustu Karaman, Ismail Iseri, Fatih Er and Tekin Susam

Experimental investigation of natural convection heat transfer of the fin arrangement on a computer heat sink

September 2012

Needs for buoyancy driven ventilation appear in a variety of engineering applications, ranging from cooling of electronic components to cooling of nuclear reactor fuel elements. Hence, it becomes crucial to optimize the natural convection heat transfer as far as possible. If the fins are properly designed, they become very attractive for these applications since they offer an economical, trouble-free solution to the...

Author(s): Mahdi Fahiminia, Mohammad Mahdi Naserian, Hamid Reza Goshayeshi and H. M. Heravi

Performance measurement systems for green supply chains using modified balanced score card and analytical hierarchical process

September 2012

Environmental management is becoming a key strategic issue for Supply chain performance. Performance measurement systems for green supply chain is critical for its monitoring, control and improvement. A comparative analysis of some most widely cited Performance measurement systems for supply chains have been undertaken, and it indicates that the modified Balanced score card is a suitable framework for Green supply chain...

Author(s): G. P. Kurien and M. N. Qureshi

Prediction of evaporation in tropical climate using artificial neural network and climate based models

September 2012

Malaysia is a tropical country with high rainfall rate. But there is increasing demand on water due to development. Also, global weather change makes the dry season longer and evaporation rate from impounding reservoirs higher. So, evaporation as a natural phenomenon contributes in reducing the availability of water for various uses. Estimation of evaporation can give an idea about the water losses from storage...

Author(s): Mostafa Ali Benzaghta, Thamer A. Mohammed, Abdul Halim Ghazali and Mohd Amin Mohd Soom

Clinical evaluation of nasal lacrimal sac positioning using nasal endoscope guided by intra-lacrimal duct fiber optics

September 2012

This study aims to evaluate the safety and effectiveness of a new approach to locate lacrimal sac using nasal endoscopy guided by intra-lacrimal duct fiber optics during nasolacrimal ostomy. 31 patients with recurrent dacryocystitis were chosen for nasolacrimal ostomy using nasal endoscope. During the surgery, fiber optic was inserted into lacrimal duct to project the light through the lacrimal sac, subsequently...

Author(s): HUANG Yang, LI Peng, JIANG Hequn, HE Xiaoguang, YANG Jun, CAI Chunchun, ZHANG Lin and QI Benming

Utility based channel assignment: A centralized channel assignment mechanism for multi radio multi channel wireless mesh networks

September 2012

In this paper, we address the channel assignment problem in a multi-radio mesh network that involves assigning channels to radio interfaces for eliminating the effect of wireless interference. Due to the insufficient number of frequency channels and available radios per node, interference is still present which limits the available bandwidth on wireless links and eventually decreases the achievable throughput. In this...

Author(s): Maryam Amiri Nezhad, Llorenç Cerdà-Alabern and Manel Guerrero Zapata

Resilience of physiological attributes of wheat (Triticum aestivum L.) to abiotic stresses

September 2012

Water stress and high temperature variability are the major constraints for wheat crop productivity and food security in the context of climate change. Impact of high temperature and water stress at anthesis stage of spring wheat was studied through field experiments conducted during 2008 to 2009 and 2009 to 2010. Five wheat varieties of diverse origin namely Tatara, National Agricultural Research Centre (NARC)-2009,...

Author(s): M. Ahmed and Muhammad Asif, Fayyaz-ul-Hassan, Zammurad Iqbal Ahmed and Arshad Nawaz Chaudhry

Improving QoE in multicast IPTV systems: Channel zapping times

September 2012

The usage of Internet Protocol TV (IPTV) deployments in the consumer electronics market is growing very popular in recent years. In IPTV multicast systems, quality of experience is a very critical factor for user satisfaction. Existing and future IPTV systems will offer a large number of channels to users. The most important factors that affect the quality of experience in IPTV systems are channel zapping times....

Author(s): Sibel MalkoÅŸ, Erdem Uçar and Rafet Akdeniz

Iris recognition system based on video for unconstrained environments

September 2012

This paper proposes an iris image quality and segmentation accuracy evaluation method for video-based iris recognition systems, operating in unconstrained environment. Proposed approach consists of two stages of video quality evaluation that allows improving the iris recognition rates in non-ideal or no cooperative situations; where the first stage discards the low quality eye frames, while the second stage discards...

Author(s): Juan Colores-Vargas, Mireya García-Vázquez, Alejandro Ramírez-Acosta, Mariko Nakano-Miyatake and Héctor Perez-Meana

Prediction of compression index using artificial neural network

August 2012

    Over the decades, a number of empirical correlations have been proposed to relate the Compression Index of normally consolidated soils to other soil parameters, such as the natural water content, liquid limit, plasticity index and void ratio. In this article too it has been attempted to establish a correlation between compression index and physical properties for the clayey...

Author(s):     Farzin Kalantary and Afshin Kordnaeij

A novel adaptive color to grayscale conversion algorithm for digital images

August 2012

    A color image sent to the monochrome device must undergo the color-to-grayscale conversion process. Although the conventional color-to-grayscale conversion algorithms are widely used, their performance is questionable in certain circumstances and poor quality resultant grayscale images will be produced. This paper tackled some drawbacks of the conventional methods by...

Author(s): Wei Hong Lim and Nor Ashidi Mat Isa

A novel adaptive color to grayscale conversion algorithm for digital images

August 2012

    A color image sent to the monochrome device must undergo the color-to-grayscale conversion process. Although the conventional color-to-grayscale conversion algorithms are widely used, their performance is questionable in certain circumstances and poor quality resultant grayscale images will be produced. This paper tackled some drawbacks of the conventional methods by...

Author(s): Wei Hong Lim and Nor Ashidi Mat Isa

Hydrogeochemical and isotopic evaluation of groundwater in Jabal Hafit area, Eastern Abu Dhabi Emirate, United Arab Emirates (UAE)

August 2012

    This study deals with groundwater quality of the Jabal Hafit area in the southeastern part of the UAE. In order to assess groundwater in the study area, 21 samples were collected from groundwater wells. Of these, 12 samples were analyzed for stable isotopes of δD and δ18O. The results showed that the sequence of cations dominance in groundwater in the study...

Author(s):     Ahmed A. Murad, Saber M. Hussein and Aidah Al-Abdouli

Ahmed A. Murad1*, Saber M. Hussein1 and Aidah Al-Abdouli2

August 2012

    The area of robot path planning and navigation has been studied by various researchers over the last decades, resulting in a large number of works. One of the most challenging fields in motion planning is dealing with unknown environment, which is known as online path planning. This paper aims to improve one of the most famous methods for online navigation, that is, Bug algorithm, which has been...

Author(s):   Weria Khaksar, S. H. Tang and Mansoor Khaksar

Structural patterns identified through a historical analysis of Anatolian stone constructions

August 2012

    This paper derives structural patterns through the analysis of ancient Anatolian structural configurations built up by stone. Related archaeological sources indicate that ancient Anatolian constructions incorporating only stone as the principal building material are infrequent. Almost all of the walls of the dwellings and monumental structures were composite. They were...

Author(s):   Kemal Reha KAVAS

Frequency of lower respiratory tract infections in Karachi and comparison of different antibiotic agents used for the treatment

August 2012

    The objective of this study is to compare the use of different antibiotics in lower respiratory tract infections at Jinnah postgraduate Medical Centre (JPMC), Karachi, Pakistan. A non blind randomized study design was used to for this study which was carried out in JPMC, for a period of four months. A total of 137 patients infected with various infections were selected and...

Author(s):   Sumbul Shamim, Saima Mahmood Malhi, Muhammad Riaz Bhatti, Beena Khan and Tahir Yousuf

Analysis of energy as a precondition for improvement of living conditions and poverty reduction in sub-Saharan Africa

August 2012

    This paper examines the link between availability of energy and improvement of living condition and poverty reduction in sub-Saharan Africa. It argued that modern sources of energy are required for the improvement of living standards; may be by helping to create jobs and by boosting productivity. For energy exporters, particularly oil producers, they provide revenues that may...

Author(s):   Muawya Ahmed Hussein and Walter Leal Filho

A statistical analysis on skinfold thickness and measurement of body composition for Chinese adults

August 2012

    The purpose of this study was to evaluate developmental mechanism and characteristics of skinfold thickness and body composition among Chinese adults of Han nationality. Sampling measurement method was applied to acquire the indexes of height, weight, cheek skinfold thickness, triceps skinfold thickness, biceps skinfold thickness, subscapular angle...

Author(s):   He Ye, Hai Xiangjun, Bai Jingya, Wang Jing, He Jinquan, Wang Yutang and Xi Huanjiu  

Trace elements changes in the appendix of rabbit infected with Eimeria coecicola

August 2012

    The parasitic protozoa, Eimeria coecicola, causes intestinal coccidiosis in rabbits and, thereby, enormous economic losses in rabbit farms. This study aimed to investigate the trace elements changes in the appendix of infected rabbits with E. coecicola. Rabbits were orally infected with 50000 sporulated oocysts of E. coecicola, began to shed parasitic oocysts...

Author(s):   Mostafa A. Abdel-Maksoud, Mohamed A. Dkhil and Saleh Al-Quraishy

Production and applications of microbial lipases: A review

August 2012

    Lipases (triacylglycerol ester hydrolases, EC are biotechnologically relevant enzymes that find immense applications in food, detergent and pharmaceutical industries. They catalyze the breakdown of fats and oils as well as various synthetic reactions such as esterification, transesterification and interesterification in organic solvents. Microbial lipases stand out as...

Author(s):   Aliyu Salihu and Md. Zahangir Alam

Interaction between barley grain processing and source of dietary protein on nutrients digestibility, rumen pH and ammonia concentration in sheep

August 2012

  The effects of barley grain processing (whole vs. cracked) combined with two different protein sources (urea vs. soybean meal) on nutrients digestibility, rumen pH and ammonia concentration in sheep were investigated. Four permanently rumen fistulated Mehraban sheep were allocated in a 4×4 Latin square design. Four different experimental diets were used: 1) whole barley grain with urea...

Author(s):     S. Afshar, M. M. Tabatabaei, M. Kazemi-Bonchenari, M. Eghbali and S. Barkhori

Wheat yellow rust resistance improvement in wheat and maize cross progenies using double haploid method

August 2012

    This research was conducted to produce doubled haploid lines of wheat through chromosome elimination (wheat × maize crosses) technique. Three wheat hybrids: DH-29: MILAN / SH7 // SHIROODI, DH-30: INIA // SW89.3064 / STAR / 3 / MILAN / SHA7 and DH-32: NANJING8201 / KAUZ // MILAN / SHA7 were pollinated with maize pollen from two genotypes H1: KSC108, 403 and...

Author(s):   Tayebeh Bakhshi, Reza Bozorgipour, Khodadad Mostafavi and Hamed Haddad Kashani

High capacity three-component dynamometer design, construction and its calibration

August 2012

    In this study, a three-component dynamometer design, construction and its calibration were carried out. The dynamometer system consisted of three 20 kN high capacity single point load cells, three isolated strain gauge input modules, a terminal board, an analogue-to-digital card and a software for recording and analyzing the data. The load cells were mounted in three different...

Author(s):   Yakup Turgut and Ihsan Korkut

Study on watermarking effect in image-signature association copyright protection model

August 2012

This paper aims to compute the effect of the different watermarking techniques on a proposed scheme of image copyright protection. This scheme depends on image association principle rather than image data modification. Hence, it is intended to support the developed technique with essential study to approve the validity with convenient measures and performance criteria. The effect of watermarking is classified in...

Author(s): Mohammad. Al- Rababah, Abdulsamad Al-Marghilan, Mohammed Mosa Al-shomrani and Mamoun Sulaiman Al-rababaa

Taxonomic study of family Brassicaceae of Mardan District, Khyber Pakhtun Khwa, Pakistan

August 2012

    A total of 23 species belonging to 17 genera were investigated from the research area. The genera with number of species are: Alyssum (1 sp.), Brassica (5 sp.),Capsella (1 sp.), Cardamine (1 sp.), Coronopus (1 sp.), Eruca (1 sp.), Iberis (1 sp.), Lepidium (1 sp.), Lobularia (1...

Author(s):     Farooq Ali, Siraj Ud Din, M. Saleem Khan, Arshad Iqbal, Muhammad Anwar Sajad, Waheed Murad, Mushtaq Ahmad and Muhammad Zafar

A novel filter compensation scheme for single phase-self-excited induction generator micro wind generation system

August 2012

    The paper presents a novel flexible alternating current transmission system (FACTS) based stabilization scheme developed by the second author for use in small scale residential/commercial micro grid (wind-induction generator) utilization schemes in the range 5 to 50 kVA, for stabilized efficient renewable wind utilization. The novel FACTS stabilization scheme is...

Author(s):     Mustafa E. Åžahin, Adel M. Sharaf and Halil Ä°. OkumuÅŸ

Effects of menstrual periods on postural stability in eumenorrheic female group

August 2012

    High rate of injuries detected during certain periods of menstrual cycle, raised the suggestion of hormonal impact on soft tissue and neuromuscular control with subsequent lost in joint stability, deterioration of postural balance and injury development. The aim of present study was to investigate possible differences in static postural balance during the preovulatory and...

Author(s):   Ahmedov Shahin, Yavuz Hasan Ulas and Erdag Deniz

Purification and characterization of novel truncated fragments of bioactive proteins from porcine intestine with effects on insulin secretion

August 2012

    During purification of porcine gut polypeptides with respect to glucose-induced insulin secretion from pancreatic β cells, two novel fragments of the known gastrointestinal peptides were isolated and chemically characterized. They are truncated forms of phosphatidylethanolamine-binding protein (PEBP93-124) and valosin (Valosin3-25). These novel fragments,...

Author(s):   Junhan Wang, Ying Zeng, Dongjing Yan, Jie Lu, Zhengwang Chen and Chenhong Li

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