- Cyclising nucleophilic addition The Novel Synthesis of Pyrazolo[3,4-b] quinoline.               A. Afghan, M. M. Baradarani. 11th Iranian Seminar of Organic Chemistry, 1-3 February, 2005, Technology University of Isfahan, Iran.
- Modification of the synthesis of 2-(3,3-dimethylindolin-2-ylidene) malonaldehyde.               A. Afghan, M. Mehdi Baradarani. 13th Iranian Seminar of Organic Chemistry, 7-9 september, 2006, Faculty of Chemistry, Bu-Ali Sina University, Hamadan, Iran.
- The Novel Synthesis of Some Heterocyclic Derivatives of Dimethylindolenine. A. Afghan, M. Mehdi Baradarani. 13th Iranian Seminar of Organic Chemistry, 7-9 september, 2006, Faculty of Chemistry, Bu-Ali Sina University, Hamadan, Iran. 
- The Novel Synthesis of 2-(1-aryl-1H-pyrazol-4-yl)-3,3-dimethyl-3H-pyrroloquinoline. A. Rashidi, A. Afghan and Mehdi M. Baradarani. 14th Iranian Seminar of Organic Chemistry, 4-6 march, 2008, University of Zabol, Zabol, Iran.
- The Novel Synthesis of 2-(3,3-dimethyl-1H-pyrroloquinolin-2(3H)-ylidene)malonaldehyde. A. Rashidi, A. Afghan and Mehdi M. Baradarani. 14th Iranian Seminar of Organic Chemistry, 4-6 march, 2008, University of Zabol, Zabol, Iran.
- The Study of Synthesis of Key Intermediate for Synthesis of    Octacyclic Orthoamides. A. Rashidi, A. Afghan and Mehdi M. Baradarani. 14th Iranian Seminar of Organic Chemistry, 4-6 march, 2008, University of Zabol, Zabol, Iran.
- The Study of Synthesis of Some Pyrroloquinolines, Pyrrolo-  isoquinolines  and Pyridocarbazoles.  . A. Rashidi, A. Afghan and Mehdi M. Baradarani. 14th Iranian Seminar of Organic Chemistry, 4-6 march, 2008, University of Zabol, Zabol, Iran.
- Synthesis of Novel Heterocyclic Compounds Using Vilsmeier Reagent. A. Rashidi, A. Afghan  and Mehdi M. Baradarani. 15th Iranian Seminar of Organic Chemistry, 27-29 August, 2008, University of Razi, Kermanshah, Iran.
- Diformylation of  2,3,3- Trimethyl-3H-pyrrolo[2,3-f]isoquinoline and 5-Bromo-2,3,3-trimethyl-3H-pyrrolo[3,2-h]isoquinoline by Vilsmeier-Haack Reagent. A. Afghan, A. Rashidi and M. Mehdi Baradarani. 15th Iranian Seminar of Organic Chemistry, 27-29 August, 2008, University of Razi, Kermanshah, Iran.
- The Synthesis of Some New Heterocyclic Compounds. A. Afghan, A. Rashidi and M. Mehdi Baradarani. 15th Iranian Seminar of Organic Chemistry, 27-29 August, 2008, University of Razi, Kermanshah, Iran.
- Synthesis of Novel Heterocyclic Compounds Using Vilsmeier Reagent. A. Afghan, A. Rashidi and Mehdi M. Baradarani. XXII. National Chemistry Congress, October 6-10, 2008, EMU Univ., Magusa.
- The novel synthesis of 2-(1-aryl-1H-pyrazol-4-yl)-3,3-dimethyl-3H-pyrrolidine. F. Keshvari, A. Afghan, M. Babazadeh and M. M. Baradarani. 16th Iranian Conference of Organic Chemistry, 19-20 August, 2009, Zanjan University, Zanjan, Iran.
- The Novel Synthesis of 2-(3,3-Dimethylindolin-2-ylidene) malonaldehydes. F. Keshvari, A. Afghan M. Babazadeh and M. M. Baradarani. 16th Iranian Conference of Organic Chemistry, 19-20 August, 2009, Zanjan University, Zanjan, Iran.
- The Study of Synthesis of 3,3-Dimethyl-2-(1H-pyrazol-4-yl)-3H-Benzo[g]Indoles. M. Khezri, A. Afghan and M. M. Baradarani. 16th Iranian Conference of Organic Chemistry, 19-20 August, 2009, Zanjan University, Zanjan, Iran.  
-  5,6,7,8- Tetrahydro-&beta-Naphthyl Chlorothionoformate As A Powerful Dealkylating Agent of Tertiary Amines. R. Hamzehei, A. Afghan and M. M. Baradarani.17th Iranian Conference of Organic Chemistry,13-15 October 2010, University of Mazandaran,Babolsar, Iran.
- The novel synthesis of 2-(3,3,5,7-tetranethylindolin-2-ylidene)malonaldehydes and its pyrazole derivatives. A. Alimohammadi, A. Afghan and M. M. Baradarani. 17th Iranian Conference of Organic Chemistry,13-15 October 2010, University of Mazandaran,Babolsar, Iran.
-  The study synthesis of 2-(7-methoxy-3,3-dimethylindolin-2-ylidene)malonaldehyde and its new pyrazole derivatives. S. Kazemiesani, A. Afghan and M. M. Baradarani. 17th Iranian Conference of Organic Chemistry,13-15 October 2010, University of Mazandaran,Babolsar, Iran. 
- Synthesis of CaO Nanoparticles via Precipitation Method.  S. Meshkat, A. Afghan and O. Asefafshar. first national conference of nanoscience and nanotechnology, 16-18 Februrary 2011, University of paiam nour, Yazd , Iran.
- Synthesis of The New Heterocyclic Compounds Using 2-(3,3-dimethyl-1H-pyrroloisoquinolin-2(3H)-ylidene)malonaldehydes. A. Afghan, A. Etemadi and S. Meshkat. 15th Iranian Chemistry Congress, 4-6 september, 2011, University of Hamadan, Hamadan, Iran.
- The Study of Cyclising Nucleophilic Addition to Azinium Systems.  A. Afghan, A. Etemadi and S. Meshkat. 15th Iranian Chemistry Congress, 4-6 september, 2011, University of Hamadan, Hamadan, Iran.
- The study of synthesis of new heterocycles by use of malonaldehydes. M. Ghavidel and  A. Afghan, 15th Iranian Chemistry Congress, 4-6 september, 2011, University of Hamadan, Hamadan, Iran.
- The Study of Synthesis of Imino and Pyrimido Inodelenines. S. Kazemisani and A. Afghan, 15th Iranian Chemistry Congress, 4-6 september, 2011, University of Hamadan, Hamadan, Iran.
- The Study of Synthesis of 2-(6-chloro-3,3,7-trimethylindolin-2-ylidene)malonaldehyde and its New Pyrazole Derivatives. S. Kazemisani and A. Afghan, 15th Iranian Chemistry Congress, 4-6 september, 2011, University of Hamadan, Hamadan, Iran.
-  Diformylation of 4-chloro-2,3,3,7-tetramethyl-3H-indole by &hellip&hellip, M. Aliyari and A. Afghan, 15th Iranian Chemistry Congress, 4-6 september, 2011, University of Hamadan, Hamadan, Iran.
- The novel synthesis of 5-(4,7-dichloro-3,3-dimethylindolin-2-ylidene)-2-oxo-2,5-dihydropyridine-3-carbonitrile. R. Mohammadnejadaghdam and A. Afghan, 15th Iranian Chemistry Congress, 4-6 september, 2011, University of Hamadan, Hamadan, Iran.
- New Method of Calcium Oxide Nano Powder Synthesis in Ethanol. Salar Meshkat and Arash Afghan, 3rd International Conference on UltraFine Grained and NanoStructured Materials, 2-4 November 2011, University of Tehran, Tehran, Iran.
- Synthesis and Growth of Germanium Oxide Nani Particle in AOT Reversed Micelle. Salar Meshkat and Arash Afghan, 3rd International Conference on UltraFine Grained and NanoStructured Materials, 2-4 November 2011, University of Tehran, Tehran, Iran.
- The Study of Effect of Nano Basic Alumina as a Catalyst in Preparation of Semicarbazides in Solvent Free Condition. A. Afghan and S. Meshkat, 18th Iranian Seminar of Organic Chemistry, 7-9 March 2012. University of Sist. & Baloohc.
- New method for reduction of nitrate by photocatalytic reduction in presence of a hole scavenger. Ahmad Etemadi and A. Afghan , 18th Iranian Seminar of Organic Chemistry, 7-9 March 2012. University of Sist. & Baloohc.
- The Study of Synthesis and Cyclising Reactions of 2-(4-Chloro-3,3-dimethyl-7-phenoxyindolin-2-ylidene)malonaldehyde. Laya Roohi, A. Afghan and Mehdi M. Baradarani. 18th Iranian Seminar of Organic Chemistry, 7-9 March 2012. University of Sist. & Baloohc.
-  Diformylation of 2,3,3,6,7-pentamethyl-3H-indole by Vilsmeier-Haack Reagent and Synthesis of 2-(1-(2,4-dimethylphenyl)-1H-pyrazol-4-yl)-3,3,6,7-tetramethyl indole. M. Rasolzadeh, A. Afghan and Mehdi M. Baradarani. 18th Iranian Seminar of Organic Chemistry, 7-9 March 2012. University of Sist. & Baloohc.
- The Synthesis of 2-(3,3,6,7-tetramethyl indoline-2-ylidene) malonaldehyde and&hellip. M. Rasoolzadeh, A. Afghan and Mehdi M. Baradarani. 21st Iranian Seminar of Organic Chemistry(21st ISOC), 13-15 March 2014, Ilam University, Ilam, Iran.
- The Synthesis of 5-(3,3,6,7-tetramethyl-3H-indol-2-yl)pyrimidin-2(1H)-one. M. Rasoolzadeh, A. Afghan and Mehdi M. Baradarani. 21st Iranian Seminar of Organic Chemistry(21st ISOC), 13-15 March 2014, Ilam University, Ilam, Iran.
- Reaction of 1-cycloalkylidene-2-arylhydrazines with Vilsmeier-Haack reagent: synthesis of 2-aryl cycloalka[c]pyrazole. Kobra Javadia, Laya Roohi, Arash Afghan and Mehdi M. Baradarani.  The 23nd Iranian Seminar of Organic Chemistry, 8-10 September 2015, University of Kurdistan, Sanandaj-Iran.
- Effect of pH and template amounton synthesis and crystallization SAPO-34 nanostructured catalyst. M. Ghadiri, K. Mirza, M. Haghighi and A. Afghan. 17th Iranian Inorganic Conference, 3-5 Sept. 2015, Azarbaijan University, Tabriz, Iran.
- Preparation of novel composite of graphene oxide / ionic liquid/ acetone extracted porpolis and extracted propolis and its application in biosensors. H. Naeim, F. Kheiri, M. Sirousazar and A. Afghan. 4th National Conference of Iran Chemistry, Chemical Engineering and Nano, Petrogas Industrial and Mining Research Center, Tehran, Iran, 24-25 Azar 1395.
- Ionic-Liquid-Assisted Synthesis of Metal Nanoparticle /Reduced Graphene Oxide Nanocomposite. H,NaeimF, KheyriM, Sirousazar and A. Afghan چهارمین کنفرانس ملی پژوهش های نوین در شیمی و مهندسی شیمی، تهران، مهرماه 96.
-  کاهش میزان تبخیر با استفاده از دولایههای پلیمری نوین، محمد دیوبند، رضا رفیعی و آرش افغان. چهارمین کنفرانس ملی پژوهش های نوین در شیمی و مهندسی شیمی، تهران، مهرماه 96.
-  سنتز نانوذرات تیتانیوم دی اکساید بر پایه زئولیت جهت حذف آفت کش های آلی فسفات دار. سعید محمدی، آرش افغان و محمد قدیری. پنجمین کنفرانس بین المللی نواری های اخیر در شیمی و مهندسی شیمی. بهمن ماه 96. دانشگاه علامه طباطبایی. تهران.
-  استفاده از دولایه های پلیمری برای کاهش میزان تبخیر آب در محیط های اسیدی. محمد دیوبند، رضا رفیعی، میر کریم رضوی و آرش افغان. پنجمین کنفرانس بین المللی نوآوری های اخیر در شیمی و مهندسی شیمی. بهمن ماه 96. دانشگاه علامه طباطبایی. تهران
- . Synthesis and Characterization of Nanotitanosilicate with ZSM-5 Structure and Its Application for Removal of Methylene blue. Roya Kheirkhah, Arash Afghan and Mohammad Ghadiri. 4th Iranian Applied Chemistry Conference, 23-25 July 2019, Urmia University, Urmia, Iran
- Synthesis and Characterization of Polyvinyl Alcohol grafted Cloisite 20A Nanocomposite. Shima Mohammadlou, Arash Afghan and Mohammad Sirousazar, 4th Iranian Applied Chemistry Conference, 23-25 July 2019, Urmia University, Urmia, Iran
- Removal of Tannic Acid from Aqueous Solutions Using Adsorbent Based on Polyaniline/Clinoptilolite Nanocomposite, Ramin Heidari, Arash Afghan, Reza Rafiee and Mohammad Ghadirid. 4th Iranian Applied Chemistry Conference, 23-25 July 2019, Urmia University, Urmia, Iran
-  Green Synthesis of Palladium Nanoparticles and Their Catalytic Performance in Acyl Free Sonogashira Coupling. Laia Roohi and Arash Afghan, 27th Iranian Conference on Organic Chemistry, 21-23 Aug. 2019. Urmia University, Urmia, Iran
- Methanol conversion to light olefins (MTO) in the presence of synthesized Nano SAPO-34 and FeAPSO-34 Zeolites. M. Ghadiri, Kh. Mirza, M. Haghighi, A. Afghan. The 11th International Chemical Engineering Congress & Exhibition (IChEC 2020). Fouman, Iran, 15-17 April, 2020
- Selection of The Most Effective Monomer to Construct a Cholesterol Molecular imprinted Polymer Using Density Functional Theory (DFT). The 11th International  Chemical Engineering Congress & Exhibition (IChEC 2020) Fouman, Iran, 28- 30 October, 2020. M. Eghbali, F. Kheiri, M. Sirousazar, A. Afghan, E. jannatdoust
- . شبیه سازی فرایند اکسیداسیون فنتون برای حذف کریستال وایولت با استفاده از آهن بارگذاری شده در زئولیت. سارا مدرسی مطلق، فاطمه بهادری، محمد قدیری و آرش افغان. ششمین کمگره ملی تحقیقات راهبردی در شیمی و مهندسی شیمی. دیماه 98، دانشگاه شهید بهشتی، تهران، ایران.
-  بررسی آزمایشگاهی تاثیر ویتامین ای و ویتامین آ-پالمیتات برپایدارسازی آسفالتین. عباس شکری، زینب حسینی دستگردی، علیرضا بهروزسرند و آرش افغان. هفتمین کنفرانس بین المللی شیمی و مهندسی شیمی. تیرماه 99، دانشگاه تهران، ایران.
-  سنتز و مطالعه رفتار حرارتی کامپوزیت جدید مقاوم در برابر شعله بر پایه پلی پروپیلن. معصومه حسین آباد، آرش افغان، رضا رفیعی و داوود سودبر. کنفرانس ملی مهندسی شیمی و نانوفناوری. دیماه 99. دانشگاه جندی شاپور، دزفول، ایران.
-  زیست نانوکامپوزیت برپایه اینولین: سنتز، شناسایی و کاربرد برای حذف آلاینده متیلن آبی. سمیه هندوئی، آرش افغان و الهام جلیل نژاد. کنفرانس ملی مهندسی شیمی و نانوفناوری. دیماه 99. دانشگاه جندی شاپور، دزفول، ایران
-  سنتز و مشخصه یابی نانوکامپوزیت های پلی اتیل آکریلات &ndash کلویزیت اصلاح شده به روش پیوند زنی شیمیایی. زهرا محمد حسنی، آرش افغان و رضا رفیعی. کنفرانس ملی مهندسی شیمی و نانوفناوری. دیماه 99. دانشگاه جندی شاپور، دزفول، ایران.
-  تغییر در نقطه شروع رسوب آسفالتین با استفاده از کامپوزیت کربن نیترید/تیتانیوم دی اکسید.
لعیا صمدی،زینب حسینی و آرش افغان. 17 مین کنگره ملی مهندسی شیمی ایران. دانشگاه فردوسی مشهد. آبان 1400
53. ساخت نانوجاذبهای پایه کربنی عاملدار جهت ذخیره سازی گاز طبیعی. مهدی حسن سلطانی، سید سالار مشکات و آرش افغان. دومین کنفرانس ملی مواد نوین. دانشگاه یزد.  اسفند 1400.
54. جاذب های پایه پلی آنیلینی در تصفیه پساب. دانیال سراج الدین،سالار مشکات و آرش افغان. پنجمین کنفرانس علوم و مهندسی جداسازی. اردیبهشت 1401. دانشگاه زاهدان.
55. مطالعه کارایی جاذب پایه پلی آنیلینی در حذف آلاینده ها از فاضلاب های صنعتی. دانیال سراج الدین، آرش افغان و سالار مشکات. دومین کنفرانس بین المللی کاربرد مواد و ساخت پیشرفته در صنایع. دانشگاه علم و صنعت. مرداد 1401