Questions in Topics
Ask, share and discuss - with a global network of researchers.

Topics makes it easy to ask questions, get answers and share interesting content with other researchers. Browse topics by discipline to find out what's happening in your field.

Browse Topics

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
  • Answer added in Metabolic
    8 Do you have information and document about interrelation between minerals?
    By Yanick Simon · Université Quisqueya
    Yanick Simon · Université Quisqueya
    Thanks a lot Geir for your answer and your proposition. I saw the message and I'll visit the website. Best regards 
  • Answer added in Baltic Sea
    12 Indicators of fish aggregation (presence)?
    By Victor Klemas · University of Delaware
    Stelios Katsanevakis · European Commission - Joint Research Centre
    In the Joint Research Centre there is an ongoing project led by Jean Noel Druon aiming to identify the habitat of key marine species, such as bluefin ... [more]
  • Answer added in Cancer Biology
    11 Which specific patient population with prostate cancer should undergo surgery: Are there biomarkers that identify patients who need surgery
    By Fatih Uckun · University of Southern California
    Fatih Uckun · University of Southern California
    Dear Constantine After external beam RT, and a 6 month ADT, those patients have undetectable PSA and free PSA levels. The testosterone level would b... [more]
  • 26 What do you think about relaxation & breathing techniques in Cognitive Behavioral Therapy for anxiety? most specifically for panic and agoraphobia?
    By David Olivo · Pontifical Catholic University of Peru
    For some of these clients, being asked to focus on breathing only leads to panicked feelings of fear that they may become unable to breathe or swallow... [more]
  • Answer added in Evolution
    235 Can Intelligent Design (ID) be considered a valid scientific theory?
  • Answer added in Evolutionary Genetics
    38 Can Neo-Darwinism (ND) today be considered a valid scientific theory?
    By Mark Mcmenamin · Mount Holyoke College
  • Question asked in Gastrointestinal Surgery
    New Open appendicectomy: any space left for research?
    I wrote two articles (a meta-analysis and a systematic review) on two different topics regarding the surgical technique of open appendicectomy. I'm fi... [more]
    By Gianpiero Gravante · Kettering General Hospital
  • Question asked in Psychiatry
    New Who has found strong correlations between food consumption and OCD, partly or solely due to genetic variants?
    This can involve case studies. 
  • Answer added in Signal Analysis
    24 Does anyone have experience in terms of EMG raw data smoothing with butterworth's method?
    By Bojan Makivic · University of Vienna
    Bojan Makivic · University of Vienna
    Fariba, I find out your method of analysis as fantastic approach and thank you for offering me help but on one side the problem is that I am not so i... [more]
  • Answer added in Qualitative Research
    54 Can you recommend a reliable audio recorder for conducting qualitative interviews?
    By Linda Mosley · Walden University
    Nozella Brown · Kansas State University
    I had planned on using my echo Live Scribe pen but am having trouble getting the audio on my new Macbook Pro. Is anyone else having this problem? I sp... [more]
  • Answer added in Collaboration
    2 What is the difference between cooperation, coordination and collaboration in multiple robot systems?
    By Jansen Barbara · De Montfort University
    Jansen Barbara · De Montfort University
    Thanks for your feedback. Whilst I understand your point however during my research I found at least to sources [1] and [2] who remarked that there is... [more]
  • Question asked in Bacteria
    New Is there any difference in the phylogeny of different classes of NDMs for e.g. NDM-1, NDM-2, NDM-3.....etc
    I was asked to generate and analyse the phylogeny of NDM-1 protein sequences for my bioinformatics project! BUT as NDM-1 protein- coding gene is same ... [more]
    By Kinza Khan · Kingston University London
  • Question asked in Limited term faculty positions
    New Limited term (12 months) faculty positions are often advertised: Do these usually lead to tenure track or longer term positions?
    Limited term (12 months) faculty positions are often advertised: Do these usually lead to tenure track or longer term positions? 
    By Tony Walker · Dalhousie University
  • Question asked in Environmental Health
    New Looking for a comprehensive account of the human, ecological, other costs of fossil fuel uses. Ideally for lay audience, but also science foundation.
    Many papers look at parts of this story. But the strategic picture of the multiple ways in which fossil fuel use damages health, ecosystems, climate... [more]
    By William Clark · Harvard University
  • Answer added in Applied Microbiology
    12 TA cloning failure with pGEM-T easy vector
    By slimane khayi · Université Moulay Ismail
    slimane khayi · Université Moulay Ismail
    I mean after transformation reaction (100 µl of Cells) I grew them in 1ml for 2 hours, then I plated this suspension on LB with amp/IPTG/xgal. 
  • Answer added in Powder XRD
    8 Application of Sherrer's equation
    By Shaopeng Zhang · Tsinghua University
    Gilles Gauthier · Industrial University of Santander
    Yes, interesting discussion, but it doesn´t change the fact that crystallite has a clear definition, for which the size can be calculated or estimate... [more]
  • Answer added in Embedded Systems
    1 Analyzing Pipeline efficiency. can anyone suggest an easy way? Any links to download Object oriented C++ code?
    By Shahnawaz Talpur · Beijing Institute Of Technology
    Ivan Filippov · Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation of Russian Academy of Sciences
    So, you need your own mutex semaphore with blackjack and hookers? Thats not unix way. 
  • Answer added in Dark Matter
    1 Beyond gravitational lensing what other undeniable evidences there is to support Dark Matter existence?
    By Jose Matias-Lopes · University of Coimbra
    Dear Jose, I'm a non-physicist, but I know of some physicists who actually question the existence of dark matter - at least in specific conditions. A... [more]
  • Answer added in Geochemistry
    38 Why it is not possible to date ultrabasic igneous rocks?
    By Ayten Hadi · University of Baghdad
    Francis Albarède · Ecole normale supérieure de Lyon
    My mistake, it is , of course 800°C and 350°C. 
  • Answer added in Conventional PCR
    7 Multiplex PCR
    By A.K.M. Moyeenul Huq · National University of Malaysia
    Raquel Rabionet · CRG Centre for Genomic Regulation
    I don't know what organism you are working on, but you would probably have the sequence of the genes ( mRNA ) that you want to test expression on, or ... [more]
  • Question asked in Plant Protection
    New Which is currently the main disease of rice at world level?
    Either viral, bacterial or fungal 
    By Emilio Montesinos · Universitat de Girona
  • Answer added in Discourse Analysis
    28 What do people use language for in real life?
    By William Bains · Massachusetts Institute of Technology
    Patrick Chardenet · Agence universitaire de la Francophonie
    Old references : A. Bouacha, " Alors dans le discours pédagogique: épiphénomène ou trace d'opérations discursives? ", Langue Française, n° 50/1... [more]
  • Answer added in Frequency
    20 Do negative frequencies really exist?
    By Lutz von Wangenheim · Hochschule Bremen
    Deepak Mohan · University of Kerala
    i think the convention of negative frequency arise simply from introducing Euler's theorem for mathematical simplicity. And for the directional approa... [more]
  • Answer added in Wireless Communications
    8 Which is the most preferred LTE duplex mode? FDD or TDD? Which are the countries opting for LTE TDD? What forces FDD 3G countries to go for LTE TDD?
    By Mohamed Niaz · Larsen and Toubro
    Ismat Aldmour · Al Baha University
    The answer by Zaid, especially no. 3 will be main driving for LTE-TDD. As WiMax is going away and all is heading to LTE, data companies, like Sprini... [more]
  • Answer added in Immunological Methods
    3 ELISA Standard Curve Interpretation
    By Carolyn Ashley · University of Saskatchewan
    Daniel Brugger · University of Technology Munich
    I don´t think it is necessary as long as your positive results lie within standard range. Do you have any experience about this assay and what values... [more]
  • Answer added in Social Anthropology
    158 To what extent do people believe that art can contribute to positive change?
    By Jade Wildy · University of South Australia 
    David Wright-Carr · Universidad de Guanajuato
    Hi, Jannie. The quote is interesting, thank you. Can you give us the full citation, please? 
  • Answer added in Immunology
    8 How to test in vitro whether an extract activates immune cells?
    By Tania Melnyk · National Academy of Sciences of Ukraine
    Claudia Salazar Aldrete · Universidad Autónoma de San Luis Potosí
    a proliferation assay with CFSE it´s not too expensive (even less expensive than MTT). 
  • Answer added in Gynaecological Surgery
    19 Which will be the best surgery for III degree UV prolapse in a 30 year old woman who has completed her family and has a big hypertrophied cervix?
    By Veena Vidyasagar · Sharda University
    Prabhat Mondal · Bankura Sammilani Medical College
    Dear SabitaChaichandran How will you determine vaginal site specific defect for cysto and rectocele? Can you tell me the sensitivities of those pro... [more]
  • Answer added in Current - Voltage
    25 Does the current flow through a capacitor, and if so, why?
    By Cyril Mechkov · Technical University of Sofia
    G. Diana · University of KwaZulu-Natal
    Correct and being connected to either an AC or DC source matters very little. 
  • 2 Can any one tell me what is the UV-Vis Peak Value of Amino acids?
    By Anand Lodha · Gujarat University
    Leandro Sánchez · PROIMI Biotecnologia
    I agree with Uttam. Very good explanation. Another cheap method is to use TLC and revealing by a ninhydrin solution. It is ver sensitive for amino ac... [more]