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 Maternal Health
    38 Should oxytocin be administered before or after placental expulsion?
    By Niraj Mahajan · Topiwala National Medical College & B. Y. L. Nair Charitable Hospital
    Can't resist - it's just too widespread... the ideas and theories are twisting what is talked about in medicine. 1-<Another point is man are always in... [more]
  • 14 What is the differnce between written and verbal consent? Which type of study should it be used in?
    By Brijesh Sathian · Manipal College of Medical Sciences
    Ole Brink · Aarhus University
    If You are in doubt ask your local Ethic Board as the legislation differ from country to country. Overall a oral consent is just as good as a written,... [more]
  • Answer added in Gene Regulation
    9 What are the cytokines involve in inflammation?
    By Pui-Mun Chan · University of Malaya
    Jiawu Zhao · Queen's University Belfast
    This is a big question. The cytokines depend on what kind of inflammation. 
  • Question asked in Wind Energy
    New Can anybody give me research Idea in "Wind energy implementation in Smart Grid" ?
    I want to do research on smart grid (specially wind energy technology). I need an Idea where i can work. 
    By Suman Debnath · National Institute of Technology, Agartala
  • Answer added in Animal Models
    19 How fast does a drug in solution injected i.p. reach the bloodstream?
    By Theodore Kapellos · University of Oxford
    Jiawu Zhao · Queen's University Belfast
    I think 5 min is enough. I did sodium fluorescein i.p. injection. This dye circulates into retinal blood stream less than 5min. 
  • Question asked in Drug Development
    New Is there any one has access to this paper, would you please get it for me ? thanks
    **Selectivity of agonists and antagonists at D2dopamine receptors compared to D1 and S2receptors*** 
    By Ramin Ekhteiari Salmas · Istanbul Technical University
  • Question asked in Electronic Engineering
    New How does the n+ emitter layer affect the performance of the n+p Si solar cells?
    In this forum it is required to discuss the effect of the n emitter layer parameters on the the conversion efficiency of the Si np solar cells. These ... [more]
    By Abdelhalim Zekry · Ain Shams University
  • Answer added in Text Mining
    2 Does there exist such spell-checking system that is able to detect not just incorrectly written words, but also syntactic errors?
    By Aleksandre Maskharashvili · Institut National de Recherche en Informatique et en Automatique
    Aleksandre Maskharashvili · Institut National de Recherche en Informatique et en Automatique
    I believe that the "perfect" system exists in native speakers of a language! However, I'm curious whether today's computational linguistics world has ... [more]
  • Question asked in Marine Ecology
    New Does Holothuria forskali undergo visceral atrophy?
    Details of sea cucumber at site listed: 
    By Daryl Gunning · University College Cork
  • Answer added in Predator - Prey Interaction
    3 Are mesopredators always smaller than the apex predator?
    By Amy (Kit) Prendergast · University of Western Australia
    Francisco Ramalho · EMBRAPA
    Mesopredators are defined as medium-sized predators, such as raccoons, skunks, snakes, cats, and foxes, often increase in abundance when larger predat... [more]
  • Answer added in Cell Line Culture
    28 We are having problems growing caco-2 cells, they grow very slowly . Can anyone give us tips on how to make them grow faster?
    By Claudia Calvet · Fundação Oswaldo Cruz
    Neale Foxwell · University College London
    I agree with Michael Fenn completely. Take the advice of Ian Freshney, I have used his book as a reference "bible" for cell and tissue culture for the... [more]
  • Answer added in Heat Transfer
    4 The influence of sample size on the result of glass transition temperature of glass using Differential Scanning Calorimeter,
    By Baoliang Zhang · Permastore
    Baoliang Zhang · Permastore
    Dear Victor Ponce Thank you for your comment. Would you please tell me why the DSC running can produce hydrogen fluoride, where is the hydrogen com... [more]
  • Answer added in Green Technology
    7 Researchers in the field of biomass conversion can join the global mapping of biorefinery initiatives.
    By José Tomé · Centro de Tecnologia Canavieira
    John Milledge · University of Southampton
    I am working at the University of Southampton and with the University of Greenwich on micro-algal biorefineries. 
  • Question asked in Cancer Therapy
    New Control cell lines for drug synergy experiment
    I am developing combinations of targeted drugs for cancer therapy. In order to make sure that the effective combinations of drugs I select in vitro w... [more]
    By Lorenzo Bombardelli · Netherlands Cancer Institute
  • Question asked in Optics
    New What the simplest way to collimate an astigmatic beam?
    i have a laser (mid-IR) which have different waist location for X and Y axis and different beam divergence angles. the main issue is that the beam can... [more]
    By Ran Aharoni · Bar Ilan University
  • Answer added in Navigation
    3 Do you know specific groups or social networks dealing with indoor positioning and navigation ? I would like to transfer this call for paper
    By Christelle Bloch · Université de Franche-Comté
    Christelle Bloch · Université de Franche-Comté
    Thank you very much for your help. What kind of information do you need on this event ? i can answer your questions naturally. But what do you need ? ... [more]
  • Answer added in Cancer Biology
    3 Is there any way to concentrate the protein after the sample buffer has been added ?
    By Arun Pradhan · Cincinnati Children's Hospital Medical Center
    Venil Sumantran · Indian Institute of Technology Madras
    The suggestions from Aditi and maria are good. Another possibility is to precipitate the whole extract with 10% TCA (Trichloroacetic acid) or do cold ... [more]
  • Question asked in Seed Technology
    New Seed Treatment with Nematodes
    Well I have problem for you to give me some tips to try. The problem is that we have some nematode (available in suspension) that is effective for con... [more]
    By Shiv Yadav · Indian Agricultural Research Institute
  • Answer added in Molecular Docking
    5 Should energy minimization and/or charge estimation be done before using mutant proteins for docking?
    By Andrés Vásquez J · Instituto Nacional de Salud
    Antoine Daina · Swiss Institute of Bioinformatics
    That's a vast question whose answer depends mainly on the methods you want to use for docking and scoring. Some protocols require proper charges and s... [more]
  • Answer added in Carbon Nanotubes
    4 Are there any alternatives for dispersing carbon apart from ultrasonic methods?
    By Mathias Kühhirt · Martin-Luther-Universität Halle-Wittenberg
    Vladimir Shmalko · Ukrainian State Research Institute of Carbochemistry
    Unfortunately I do not know 
  • Question asked in Entomology
    New Can i find pdf colouerd manual in identification of tick in africa regions
    cataloge of African ticks 
    By Tahani Elyas · TMRI
  • 2 GC-MS protocol for prostaglandin e2 quantitation
    By Mitradev Pattoo · Nelson Mandela Metropolitan University
    Mitradev Pattoo · Nelson Mandela Metropolitan University
    thank you for your help. The problem is that i have only a GC-MS equipment and am looking for an established protocol. Studies have been done with GC-... [more]
  • Answer added in Arrhythmias
    30 CHADS2 or CHA2DS2VASc score for risk stratification of atrial fibrillation - which one will be the fundamental score for the next few years?
    By Rui Providência · University of Coimbra
    Dietmar Bänsch · Universität Rostock
    We just published a paper on CHA2DS2VASCc sore and its relation to pulmonary vein isolation (Herz 2013). Interestingly, PVI is equally effective up to... [more]
  • Answer added in Evapotranspiration
    24 Is there any software or model for evapotranspiration calcultion?
    By Noha Abdulwarth · Agricultural Research Center, Egypt
    Homayoon Ganji · Mie University
    hello dear = yes there is tow software for calculation the ETo, you can download form FAO website, let me sent you an excel sheet you cant use it easi... [more]
  • Answer added in Cell Signaling
    7 HUVEC cell proliferation assay- How to interpret results if cells are not multiplying
    By Eda Altiok · University of California, Berkeley
    Venil Sumantran · Indian Institute of Technology Madras
    Yes, cell density should be lowered. Passage no. also should be below 5. If cells are detaching, its worth checking with other sources of gelatin. Unl... [more]
  • Answer added in Applied Linguistics
    296 Are there any languages that appear to have no grammar?
    By Frank Bandach · Chief Scientist, Intrullect
    When we address a language we should make up our minds what is our ultimate objective. for what purpose we intend to use that specific language a... [more]
  • Answer added in Academic Writing
    27 Academic English vs. Academic Spanish
    By Carlos Castaño Díaz · University of Copenhagen
    Carlos Castaño Díaz · University of Copenhagen
    That looks like a big problem. I have been having more advice from my University professors, and it seems like the inter-cultural and the inter-discip... [more]
  • Answer added in Thin Film Deposition
    8 Is it possible to design an optical demultiplexer based on the multilayers concept. If yes how to do this.
    By Kebbab Zoubir · University of Sidi-Bel-Abbes
    Kebbab Zoubir · University of Sidi-Bel-Abbes
    Dear all; I have try to do that in conformity with your suggestions. Now, how should I choose the length of cavity (or other parameters) in order to... [more]
  • Question asked in Food Biochemistry
    New 日本の方もよろしくお願いします。Can anyone tell me how to buy infrared spectrometer and auto sampler (from Otsuka Electronics, Co., Ltd., Osaka)?
    このへんな日本語でごめんなさい。私はタイに住んでいて、今研究室の仲間が 胃内容排出の実験をする予定で��... [more]
    By Yuraporn Sahasakul · Hokkaido University