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1. Natchawat Faichu Elizaveta Maksimova Vadim Shipitsyn Gleb Strizhnev MATERIALS AND METHODs 1

2. AGENDA Meaning of M&M 02 Composition 03 Grammar 04 Examples from articles 01 2

3. The materials and methods section describes in detail all the materials that have been used to conduct a study as well as the procedures that are undertaken. Most method sections are usually subdivided (with subheadings) into three sections, as follows: Meaning of materials and methods procedure(s) participants measures I t enables the readers to evaluate the appropriateness of your research methodology It helps you prove the reliability and validity of your results It enables other researchers to replicate your research exactly the same way you did it Why is it important? 3

4. S + V 2 S + had + V 3 Grammar PAST PERFECT TENSE SIMPLE PAST TENSE To focus on affected by the action, the passive voice is always used . 4 To describe your actions What you did How you do it To describe some earlier stages of experimental procedure

5. Ref.: Hamouma, O., Kaur, N., Oukil, D., Mahajan, A. and Chehimi, M. “Paper strips coated with polypyrrole-wrapped carbon nanotube composites for chemi-resistive gas sensing”. Synthetic Metals , 258, p.116223, 2019. Example SIMPLE PAST TENSE PAST PERFECT TENSE 5

6. Composition in the middle of paper 1.Introduction 2.Materials and methods 3.Results and discussion 4.Conclusion in the end of paper 1.Introduction 2.Results 3.Discussion 4.Conclusion 5.Experimental section Ref.: Garg, N., Bera, S., Rastogi, L., Ballal, A. and Balaramakrishna, M., 2020. Synthesis and characterization of L-asparagine stabilised gold nanoparticles: Catalyst for degradation of organic dyes. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy , 232, p.118126. Ref.: Jawale, D., Gravel, E., Geertsen, V., Li, H., Shah, N., Kumar, R., John, J., Namboothiri, I. and Doris, E., 2014. Size effect of gold nanoparticles supported on carbon nanotube as catalysts in selected organic reactions. Tetrahedron , 70(36), pp.6140-6145. 6

7. Examples 7 1) “ll the chemicals used are of analytical grade or of highest purity available and used as supplied without any purification.” Ref.: Garg, N., Bera, S., Rastogi, L., Ballal, A., & Balaramakrishna, M. V. (2020). Synthesis and characterization of L-asparagine stabilised gold nanoparticles: Catalyst for degradation of organic dyes. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 118126. 2) “Before the electrochemical experiments, elemental Li was cathodically coated on the bare Cu wire by using a LiCoO2 composite electrode as the counter electrode.” Ref.: Hyung-Man Cho, Woo-Sung Choi, Joo-Young Go, Sang-Eun Bae, Heon-Cheol Shin, "A study on time-dependent low temperature power performance of a lithium-ion battery," Journal of Power Sources vol.198, Jan.15, pp 273-280, 2012 3) “The workflow proposed considers the use of Rate Transient Analysis (RTA) to characterize completion parameters and to evaluate well performance (IP, EUR, NPV).” Ref.: Rojas D. et al. Horizontal Well Productivity Enhancement through Drawdown Management Approach in Vaca Muerta Shale //SPE Canada Unconventional Resources Conference. – Society of Petroleum Engineers, 2018.

8. 8 Thanks! Group 1. Natchawat Faichu, Elizaveta Maksimova, Vadim Shipitsyn, Gleb Strizhnev