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  • Question asked in Materials Chemistry
    New Why there is decrease in peak intensity in XRD of polymer coated nanoparticles as compared to bare ones?
    I prepared dextran coated magnesium ferrite nanoparticles. I explained this as surface dangling bonds of the particle interact with O-H bonds of dextr... [more]
    By Vishwajeet Khot · Dr. D.Y. Patil University
  • Answer added in Digital Signal Processing
    3 I want to generate power quality disturbances in MATLAB. Please help me how can I use Matlab programs
    By Suhail Khokhar · Universiti Teknologi Malaysia
    Gunjan Varshney · JSS Academy of Technical Education
    U can generate the current distortion and voltage distortion in terms of faults and u can use the switching of circuit breakers for that 
  • 33 Is marsupialization still the treatment of choice for large unicystic lesions of the jaws?
    By Yadavalli Guruprasad · Rajiv Gandhi University of Health Sciences, Karnataka
    Mandana Donoghue · College of Dental Sciences, Karnataka
    Dear Pavan, Very glad to know you are an oral surgeon now.. Thanks for sharing your experience ... such long term follow up with records will go a lo... [more]
  • Question asked in Plant Pathology
    New What is the best way for measurement and purification of entomopathogenic fungi secondary metabolites from small insect in vivo condition ?
    In most research,production and purification of these compounds have been studied on insect with big size (Locusts, Silkworm and wax moth),is there an... [more]
    By farzaneh sadat Seyedtalebi · Urmia University
  • Answer added in Marine Ecology
    8 How does benthic biodiversity change with ocean depth and what are the underlying factors?
    By Sven Kerwath · Department of Agriculture, Forestry and Fisheries, South Africa
    Samantha Dionisio · Ateneo de Manila University
    There are a lot of factors that can affect benthic biodiversity along a depth gradient like water temperature, light availability, oxygen (and other e... [more]
  • Question asked in Research Papers
    New Specifically what are the free downloadable software available for picture/results visualization?
    Visualization 
    By Kandasamy Thangarasu · Central Leather Research Institute
  • Answer added in Biotechnology
    1 How big DNA fragment can be cloned into the plasmid vector?please specify the range
    By Rohail Jawed · University of Karachi
    Vivek Singh · National Dairy Research Institute
    Dear Rohail, A plasmid vectors may be used to clone DNA insert of up to 15 kb in size but all plasmids are not capable of that. only smaller plasmid c... [more]
  • Answer added in Synthetic Chemistry
    3 Is there any available software that can predict simple chemical reactions?
    By Deep Das · Dibrugarh University
    Edmond Sanganyado · University of California, Riverside
    Agree with Guillermo, there is no better predictor than you when it comes to reactions. You just need to take some of the core chemistry classes. JChe... [more]
  • Answer added in Mobile Communications
    2 How many frequency bands are available in mobile communication and what are the ranges?
    By Sakthivel Nageshwaran · Adhiyamaan College of Engineering
    Saeed AL-Mansoori · Emirates Institution for Advanced Science and Technology
    Example of frequency bands used in US 
  • Answer added in Flow Cytometer
    3 What's the best marker in flow cytometry to differentiate between M1 and M2 macrophages?
    By Eung Ju Kim · University of Washington Seattle
    Ratnadeep Mukherjee · Institute of Life Sciences
    Hi there, My suggestion would be to check for intracellular markers. They are more robust in terms of M1 and M2 differentiation. For example, for the... [more]
  • Question asked in Environmental Microbiology
    New Recommended textbook for environmental microbiology
    I do not have time to attend microbiology classes, my research involves isolating bacteria for degradation studies. Is there any textbook you recommen... [more]
    By Edmond Sanganyado · University of California, Riverside
  • Answer added in Mineral Processing
    15 Application of surfactants in mineral processing?
    By Lala Sukla · Council of Scientific and Industrial Research (CSIR), New Delhi
    Lala Sukla · Council of Scientific and Industrial Research (CSIR), New Delhi
    Biosurfactants are surface active substances derived from living cells useful in a wide range of industrial application. 
  • Answer added in Semiconductor
    14 What are the reasons for lower intensity in room temperature PL compared to the low temperature PL?
    By Lakshmi V · Vellore Institute of Technology
    Devendra Singh · Indian Institute of Technology Bombay
    agree wid Prof Walid, your question will indeed help us to provide better clarification. Thanks to all contributors. 
  • Question asked in Polymer Coating
    New I am planning to coat urea with water soluble polyurethane using fluidized bed dryer. How can the coating thickness be measured ? SEM not effective.
    I tried with SEM but could not get the thickness. 
    By Yakindra Timilsena · University of Ballarat
  • Answer added in Organic Farming
    6 How to document local consequences of climate change by questioning specific population groups?
    By Zaal Kikvidze · Ilia State University
    Zaal Kikvidze · Ilia State University
    Alice, could you share any written report/paper/account from that group you know works in Africa? 
  • Answer added in Spatial Analysis
    18 How to make soil Maps from point data?
    By Adnan - · National University of Science and Technology
    Liming Ye · Chinese Academy of Agricultural Sciences
    I think it can be a good idea for Adnan to post your results as a map, so others can either comment on ways of improvement, if needed, or learn more f... [more]
  • Answer added in Marine Biotechnology
    4 How to identified an unknown enzyme from a small species like harpacticoid copepod?
    By Naguib S. · Universiti Malaysia Terengganu
    Ryan Fantasia · Rutgers, The State University of New Jersey
    In order to use ELISA to detect a protein's presence, you would need to have some purified enzyme already to produce the antibodies required for the a... [more]
  • Answer added in Antenna
    10 How to measure an antenna radiation pattern?
    By Logan Flowers · Tennessee Technological University
    Saeed AL-Mansoori · Emirates Institution for Advanced Science and Technology
    This website might help: http://www.antenna-theory.com/measurements/radpattern.php 
  • Answer added in Photoluminiscence
    7 Problem with photoluminescence of ZnO thin films?
    By M. Baseer Haider · King Fahd University of Petroleum and Minerals
    Devendra Singh · Indian Institute of Technology Bombay
    I agree with Prof Yuriy, but Baseer sir have you also tried LT PL for slightly higher thicknesses (like 200-300nm), that may give you the rough idea a... [more]
  • Question asked in Plasmid Extraction
    New Which method/kit to use for extracting genomic & plasmid DNA from transfected mammalian cells? And how to determine transgene copy number?
    Hello, I have transfected mammalian cells with episomal plasmid. For validation purpose, I will need to extract the genomic DNA and the plasmid DNA f... [more]
    By Omar Habib · International Medical University (IMU)
  • Answer added in Advanced Materials
    2 What is the main reason for tree formation during manganese electrodeposition?
    By Subrat Padhy · Institute of Minerals and Materials Technology
    Subrat Padhy · Institute of Minerals and Materials Technology
    Thank you Manohar, I read that paper. I maintain the temperature of the bath at 37 to 39 C. But it results tree formation along with nodular deposit. ... [more]
  • Answer added in Text Mining
    8 What is the significance of emotion detection in text?
    By Charmaine Ponay · University of Santo Tomas
    Turki Otaiby · King Abdulaziz City for Science and Technology
    Dariusz ,thank you very much. 
  • Answer added in Food Engineering
    4 Can anybody share some examples of bioprospected materials from plants?
    By Niraj Tripathi · Jawaharlal Nehru Krishi Vishwavidyalaya
    Prakash Krishnan · Natural Remedies Pvt Ltd
    Plants metabolites (Both primary as well as secondary) that serve as a rich source of bio active chemicals can be evaluated against the target pests (... [more]
  • Answer added in Formal Verification
    6 How to select the best Verification Tools for Observational Transition Systems (OTSs)?
    By Alireza Souri · Islamic Azad University
    Alireza Souri · Islamic Azad University
    dear Alberto thank you for helping to me do you think how tools suitable for modeling OTSs? best regard 
  • Answer added in Video Processing
    1 debug mode VS release mode in visual studio
    By Alireza Javaheri · Sharif University of Technology
    Swapneel Pimparkar · Qualcomm
    I think this is happening due to time dependency present in your implementation. Code in debug mode runs slower compared to release mode. Also, differ... [more]
  • Answer added in Higher Education Research
    96 How do we encourage students to produce more interesting/engaging presentations?
    By Scott Turner · The University of Northampton
    Beate Luo · Feng Chia University
    Almost 30 years ago, my teacher taught us how to color slides so that the words would be yellow and the background blue, because he said that research... [more]