The introduction part introduces the origin of the research and why we should discuss this topic. Generally, the content of this part is that the author guides the reader to read the article correctly, so we say that the introduction is an introduction to SCI.
So how do you write an introduction?
First of all, we must clarify several basic questions: What do you want to explain through a paper? What's new in this paper? What's the practical significance?
After reading the introduction, readers can clearly know why the author conducted this research and why this article is worth reading. Therefore, before writing the introduction, we should know as much as possible about the relevant content, collect the main data of predecessors and others' work, and improve the rationality of the research content we will write and publish.
1, introduction of research field and research background. For example, an article on cancer research is a background introduction of a specific cancer. Including the severity of the disease, the difficulty of clinical treatment, the necessity and urgency of studying it and so on. Commonly used sentence patterns are: xx tumor is the main cause of cancer death .../The high mortality rate of xx tumor is partly due to the lack of early detection of xx tumor markers/the drug resistance to rapies in xx tumor is the main problem in XX field.
2. Detailed introduction of research fields. For example, the introduction of the progress of signal pathways involved in a specific topic in disease research, or how the gene you want to study was reported in a certain disease before, these contents are the reasons for conducting a research, that is, the so-called rationality of the research content. Commonly used sentence patterns are: xxx is a key signal pathway that has been actively studied in xxx disease. Previous reports show that xxx pathway causes the downstream activation of XXX signal through the combination of XXX protein /xxx and XXX receptor (promoter), which leads to the occurrence of XXX disease.
3. Introduce the molecules or concepts mentioned in this paper. What functions have been discovered by predecessors' work, how is your research different from others' work, and so on. And point out the shortcomings and defects of others' work. Commonly used sentence patterns are: extensive research focuses on the role of xxx in xxx signal path, however, some recent findings show that xxx may participate in another important path/although it is reported that XXX plays a role in XXX process, the downstream signal mechanism is not fully understood.
4. Summary of your work. Tell us what we found and what the significance of our work is. It is not a simple copy of abstraction, but more emphasis on the meaning of the work. Commonly used sentence patterns are: in this study, we have determined XXX/ our research demon staged that ..., pointing out that XXX is a potential quick strategy for XXX diseases.
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Secondly, the basic requirements of citation writing.
(1) is concise and clear. Generally within 450 words, 2-4 natural paragraphs.
(2) Point out the essence and scope of the research object as accurately, clearly and concisely as possible, and briefly and moderately explain the research background. Literature citation and data provision must be accurate.
(3) Summarize the past and present situation in this field, especially the latest progress. The priority cited documents include the original, important and most convincing documents in related research. Avoid a lot of inappropriate "self-citation". When quoting literature, don't copy the original text, but summarize and describe it in your own words.
(4) Take appropriate ways to emphasize the most important findings or contributions of the author in this study, so that readers can read the paper according to logical evolution.
(5) Explain special terms or abbreviations to help editors, reviewers and readers read manuscripts.
Third, how to sublimate the content of the introduction?
The mainstream high-scoring SCI papers only publish innovative or cutting-edge research results. Therefore, if you want to publish your topic in a better magazine, the most important step is to highlight your research significance.
If your topic happens to be the research content in a hot field, it will be easy to do, such as doing tumors and emphasizing the harm of tumors. The difficulty of treatment is that the condition is too serious, so it is urgent to study its mechanism and explore the treatment method. Only in this way can we see that our topic is meaningful. For example, you made a very advanced CRISPR/Cas9, and now everyone is using it. In order to avoid falling into convention, you must first talk about the advantages of this technology, why it should be used, whether there are any improvements and what are the benefits. After all, advanced technology cannot be used in vain. You should emphasize the importance of your research by emphasizing the importance of CRISPR, and then the overall meaning of the paper will naturally sublimate.
However, if your topic is not the research content of any hot field, you can't give up this part of the pursuit at this time. The existence of a topic is always meaningful, even if it doesn't involve a certain disease, it can help human beings to explore the unknown world. Therefore, we should try our best to emphasize the objective significance of our own research or look for potential application significance.
Many people who don't write SCI papers often make a writing mistake, that is, they write the previous research results too long (which is why many children's shoes don't like to read the introduction). The consequence of this writing is that it is easy to give reviewers an illusion that your research has been done by others and is no longer innovative, which will underestimate your research results, so that an article cannot be published in a satisfactory magazine. Therefore, it is very important to introduce the selection of previous research results.
There is a principle in this selection process, which is to seek advantages and avoid disadvantages. For example, we always find some articles related to our own research on pubmed, but they are not very good and systematic. They just made a point that we want to talk about, and the magazines that may be published don't even enter SCI. In this case, don't worry that those articles will affect the innovation of your research. If their data quality is poor, you don't need to mention them when you write an introduction. The reviewers understand that these articles are meaningless. If these articles do overlap with your research results, then weaken these contents when writing, mention them briefly, and then emphasize the difference between your work and theirs, emphasize which research gap your research has filled, and emphasize the innovation of your work in view of this gap.
In order to make our papers published in better magazines, the key point is to highlight the significance and innovation of the research. The significance of research is sublimated mainly through the explanation of diseases and application prospects. Innovation needs to introduce skills, through writing more useful content, weakening the tone of unfavorable content, and achieving the ultimate goal of sublimating the novelty of the article.
Finally, the preface is the preface of the paper, which aims to explain the ins and outs of this study to readers, arouse readers' interest in this paper, and play a role in outlining and guiding reading interest in this paper.
At the same time, it is also the basis for editors and reviewers to judge the level of an article. They mainly judge the meaning and innovation of an article by reading the introduction.