Prof. Donkupar Syiem

Designation: Professor

Department: Biochemistry


NET (JRF, UGC-CSIR, 1989), MSc, NEHU (1984), Ph.D, Biochemistry, NEHU (1996).

Present position 

Professor, w.e.f  Jan, 2009, Department of Biochemistry, NEHU

Experience/ positions held

  • Director, Design Innovation Centre, NEHU, w.e.f. Aug, 2021 till date
  • Head, Dept. of Biochemistry, NEHU w.e.f. Dec, 2014 to Dec 2017

Research Expertise/ Interests:            

Enzymology, Medical Biochemistry; Diabetes; Natural products; Ethnopharmacology, Medicinal plants and Indigenous Knowledge, Drug Discovery, Biodiversity Conservation.

Papers  published :   67;   Books: 01;  Abstracts: 49;       Technical reports:    04           

Citation: h-Index = 14; i10 index = 20; citations all = 621; Cumulative impact factor =70.52

Research Projects undertaken/participated:         15

MOU: 3         

Seminar, Conferences, Symposia, Workshops: Participated/ Organized:         98

Resource person in refresher courses: 32

Research Guidance:

Fifteen (15) research scholars have received their Doctorates (Ph.D) under my supervision/joint supervision, one has submitted and one submitting shortly while three are ongoing.

Member of different Statutory Bodies of the University such as Board of Studies, School Board, Board of Research Studies, Academic Council, University Court, Governing Bodies of different Colleges within the State etc.

Participation in Corporate life, NEHU

  1. Member of the School Board of the School of Life Sciences from 1998 -2000 and from 2004 to 2006.
  2.  Member of the Board of Post graduate Studies (BPGS), Department of Botany and Biochemistry (1997- 2004, 2005-2006, 2008- 2009), Biotechnology (2013-14)
  3. Member of the Board of Post graduate Studies (BPGS), Department of Zoology (2001), Chemistry (2001)
  4. Acting Head, Dept. of Biochemistry, NEHU, January, 1998 and Dec2009-Jan 2010
  5. Design and prepared syllabus for the Khasi Jaintia Presbyterian Synod Hospital Nursing School, 1998-99.
  6. Examination duties of the University; Paper setting, Evaluation and Conduct of Examination for Undergraduate, Post-graduate and M.Phil/Ph.D.
  7. Member of the inspection team (College Development Council) for the opening of Honours courses in Biochemistry, St. Anthony’s College, Shillong, 1999.
  8. Member, Board of Undergraduate studies (BUGS), Biochemistry (2005-07), Biotechnology (2004) and from 2005 to 2008, Pisciculture (2004-2007).
  9. Co-curricular activities: regular involvement in sports/ games for the teachers and students.
  10. Member, committee to examine course contents of the P.G. Diploma Course in Entrepreneurship, Distance Education, NEHU.
  11. Member, Standing Committee for SC/ST, NEHU, Shillong. (2004-07).
  12. Member visiting team for starting new subjects (microbiology) in Shillong College (2006).
  13. Member, Advisory Committee USIC, NEHU (Aug, 2006 to Aug 2008).
  14. Member, Board of Research Studies, NEHU (July 2006- 2007, 2013-2017 onwards).
  15. Member, School Board, School of Life Sciences, NEHU (2009, 2012 onward till date)
  16. Member, Flying Squad (Examination), NEHU, 2008-09
  17. Member, Examination disciplinary committee, NEHU; 2010.
  18. Member, core committee of Biopark under North East Centre of Diversities (NEICOD), NEHU, 2010.
  19. Member, core committee of Biotech Hub, NEHU under DBT, 2010-2011.
  20. Member, Advisory Committee, Dept. of Biochemistry for  UGC DRS –II (SAP) program, 2010-2011, 2012-2014
  21. Member, Nodal committee for the PURSE program funded by DST, New Delhi, 2011.
  22. Coordinator, NEHU Alumni Association, 2011-2012.
  23. Member, Academic Council, NEHU; 2012 onwards till date
  24. Member, Board of Research Studies, NEHU; 2012 onwards till date
  25. Member, Board of Studies, Biochemistry Dept. since 2013 till date.
  26. Member, BOS Horticulture, NEHU, 2015-2017.
  27. Chairman, Board of Studies, Department of Biochemistry, , NEHU, Shillong, 2015-2017.
  28. Chairman, visiting team to the College of Nursing, of Dr. H. Gordon Hospital for permission to open New B.Sc Nursing College, Shillong for affiliation and grant of opening permission for conduct of BSc, Nursing college, July 2015.
  29. Chairman, visiting team to Woodland Institute of Nursing , Shillong for affiliation and grant of opening permission for conduct of BSc, Nursing college, July 2016.
  30. Member, Selection Committee to various teaching posts in different colleges of Meghalaya
  31. Member, Ph.D Evaluation Committee in Different Depts. in the School of Life Sciences
  32. Director , Design Innovation Centre, NEHU, w.e.f. July 2021
  33. Member, NEHU Sports Board, 2022-2024.

Participation in other Developmental Bodies:

  1. Member of National Biodiversity Strategy and Action Plan (NBSAP), State Steering Committee, Meghalaya. 2001-2002
  2. Member of State Level Planning Committee on Conservation and Sustainable Utilization of Medicinal Plants, Meghalaya. 2003.
  3. Member, Board of Directors, Meghalaya Tourism Development Corporation (MTDC), Govt. of Meghalaya.(2003-2005)
  4. Member, Health Advisory Board, Govt of Meghalaya.(2004-2005)
  5. Member, purchase committee, Bio-Resource Development Centre, Govt. of Meghalaya, Shillong (2004-05)
  6. Member, Internal Quality Assurance Cell (IQAC), St. Anthony’s College, Shillong, Oct, 2006-09
  7. Member, Doctoral Committee, Martin Luther Christian University, Shillong Nov. 2006-09
  8. Member, Governing Body, State Medicinal Plant Board, Meghalaya, 2006.
  9. Member, Resource Group on Medicinal Plants, Bio-Resources Development Centre (BRDC), Govt. of Meghalaya, 2008.
  10. Counseling member for MBBS, PG admission and Nursing of North East Indira Gandhi Regional Institute of Medical Science (NEIGRIMS), 2009-10; 2013-14
  11. Member (VC’s nominee), Governing Body, State Medicinal Plant Board, Meghalaya, 2010-2011.
  12. Member, Khasi Traditional Medicine Commission under the Khasi Hills Autonomous District Council (KHADC), under the Sixth Schedule to the Constitution of India, published in the Gazette of Meghalaya, 14th March, 2012
  13. Member, Advisory Committee, St Anthony’s College Star College Scheme under DBT, 2015-16.
  14. Member, Meghalaya State Pollution Control Board, 2015-16
  15. Member, Examination Committee for MBBS selection, Govt. of Meghalaya, 2015-16
  16. Member screening committee of the Directorate of Higher & Technical Education, Govt. of Meghalaya, for placement of Govt. College Lecturers (2015).
  17. Member, of the Biotech Hub Advisory Board, Lady Keane College, 2015
  18. Member, State Level Expert Appraisal Committee (SEAC) for Environmental Impact Assessment, Govt. of Meghalaya, (August 2015 to Aug, 2018) and from (Nov, 2018 to Nov 2021).
  19. Member, Governing Body, Nabon Women’s Synod College 2015 -2018
  20. Member, Governing Body, Mairang Science college College 2016 2019
  21. Member, Editorial board for the quarterly journal “ Science Vision; ISSN (online) 22296026, Mizo Academy of Sciences, Aizawl, Mizoram, 15th Feb.2017 onwards
  22. Member, BOS Royal Global University, Ghy, Assam. For two years 2019-2020.
  23. Member, Khasi Traditional Medicine Commission under the Khasi Hills Autonomous District Council (KHADC), Meghalaya, 2019-20.
  24. Trained Assessor- National Assessment and Accreditation Council (NAAC), UGC, since 2018.
  25. Member, Research Advisory Board of the North East Cancer Hospital and Research Institute (NECHRI). Jorabad, Guwahati, Assam. W.e.f  June 2017-18
  26. Board of Studies in North Eastern Institute of Ayurveda Homoeopathy (NEIAH), for three years w.e.f 15 -2 2017 to 2019.
  27. Member, Governing Body, Nongstoin College 2020- 2022.
  28. Member, State Consultative Committee for Covid-19, June 2021
  29. Member, State Level Expert Committee of the Meghalaya Biodiversity Board, w.e.f. 21st Feb, 2022.
  30. Member, advisory –cum expert committee to the Arunachal Pradesh, State Council for Science & Technology (APSCS &T), 2022.
  31. Member, Project Advisory Committee, NEC funded project of BRDC in collaboration with TERI, New Delhi, w.e.f. 18th April, 2022
  32. Member, Research Advisory Committee, NEIGRIMS, Jan, 2022
  33. Chairman, Selection committee, Institute of Bioresource & Sustainable Development (IBSD), Shillong,  July, 2022

Extension work and awareness programmes:

  1. As principal member of the North-Eastern Biodiversity Research cell, funded by the North East Council (Govt. Of India), have represented the cell in many joint programmes, awareness programmes involving NGO’s, State Departments etc., covering the entire North East Region. Have organized, conducted and presented paper related to biodiversity and medicinal plants conservation in Meghalaya, Assam, Aizawl, Mizoram, Sikkim and Arunachal Pradesh (2001).
  2. Member of the State Steering Committee (Meghalaya) for the National Biodiversity Strategy Action Plan (NBSAP), funded by the Ministry of Environment and Forest (MOEF), 2000-2002 have toured, survey, organized public hearings, awareness etc the technical report of which was submitted to MoEF.
  3. Member of the State Level Planning Committee (Meghalaya) for the Sustainable Utilization and Conservation of Medicinal Plants (2003)
  4. Collaboration with FRLHT, Bangalore in a UNEP programme to conduct public hearings, workshop, exhibition on the topic “Sustainable Utilization and Conservation of Medicinal Plants” w.ef. December 2002 to April 2003 all over the state of Meghalaya. A technical report was prepared and submitted.
  5. Environmental Orientation Programme for school of North East Region, a project undertaken by NEBRC & SSSS in collaboration with Assam Science Society w.e.f. march 2004 to march 2005, sponsored by MHRD, GOI.
  6. Initiated, organized and conducted survey on the prevalence of diabetes mellitus in Meghalaya in collaboration with Martin Luther Christian University and the State Health Dept. w.e.f  September, 2006 to March 2007,  the report was presented during the 96th Indian Science Congress, Jan, 2009.

Membership of professional Bodies/Societies etc.

  1. Meghalaya Science Society, Shillong, India.
  2. Life member, Association of Gerontology, India
  3. Founding Member and President, Biochemistry Alumni Association, 2005. NEHU, Shillong.
  4. Vice President, North Eastern Hill University Teaching Association (NEHUTA), NEHU, Shillong, 2005-2006.
  5. Joint Secretary, Meghalaya Tribal Teachers Association, 2004-05
  6. Executive Member, Synkhong Kyntiew Ri, 2004-05, Shillong
  7. Founding Member and joint secretary, St. Anthony’s College Shillong alumni association (SACSA), 2005-2008.
  8. Life member Association of Analytical Scientist, regional chapter.
  9. Founding Member and Advisor, North East Wisdom on Human Existence And Local Traditions of Health (NEW HEALTH) 2008, An Association of Local Health Traditional Practitioners, Shillong, Meghalaya.
  10. Life member, Indian Science Congress Association (L 13848), 2008
  11.  Life member, Shillong Agri-Horticultural Society, from 2009.
  12.  Joint Secretary, Association of Gerontology, India, 2010-2011
  13. Council member, Association of Gerontology, India, 2012-2014
  14. President, NEHU Alumni Association and founding member  2014-till 2019
  15. Executive member, North Eastern Hill University Teaching Association (NEHUTA), NEHU, Shillong, 2019-2020, 2020-2021.
  16. Vice President, North Eastern Hill University Teaching Association (NEHUTA), NEHU, Shillong, 2021-22

Other Bodies/Societies:

  1. President, Ferndale Apartments Society, Shillong, 2014 onwards
  2. Member, Meghalaya Swimming Association
  3. Member, Meghalaya Badminton Association
  4. Members of different civil society


Papers published:
International: 31 nos.

  1. Syiem D, & Sharma R. (1997). Age- and Tissue specific regulation of chicken inorganic pyrophosphatase in Biochemistry and Molecular Biology International (now IUBMB Life, Wiley online, vol 42, pp. 809-815. IF = 3.24
  2. Syiem. D, Syngai. G, Khup. P. Z, Khongwir. B. S, Kharbuli. B and Kayang. H. (2002). Hypoglycemic effects of Potentilla fulgens L. in normal and alloxan-induced diabetic mice. J. Ethnopharmacology 83: 55-61 (IF= 3.520)
  3. Kayang. H, Kharbuli. B, Myrboh. B, and Syiem. D. (2005). Medicinal Plants of Meghalaya. In Bioprospecting & Ethnopharmacology a proceedings of The 3rd World Congress on Medicinal and Aromatic Plants for Human Welfare (WOCMAP III) held at Chiang Mai, Thailand on 3-7 February 2003. Acta Horticulturae, 675: 75-80 (IF=0.230).
  4. Syiem D and Khup P. Z. (2006). Study of traditionally used medicinal plant Osbeckia chinensis for hypoglycemic and anti-hyperglycemic effects in mice: Pharmaceutical Biology, 44: 613-618, (IF = 2.490)
  5. Syiem D and Khup P.Z. (2007). Evaluation of Flemingia macrophylla L., A traditionally used plant of the north eastern region of India for hypoglycemic and anti-hyperglycemic effect on mice. Pharmacologyonline, 2: 355-366. (IF = 0.310)
  6. Syiem D, Khup P.Z. & Syiem A.B. (2008). Evaluation of anti-diabetic potential of Albizzia lebbek bark in normal and alloxan-induced diabetic mice. Pharmacologyonline, 3: 563-573. (IF = 0.310)
  7. Syiem D, P Z. Khup, and Syiem A.B. (2009). Effects of Potentilla fulgens Linn. on carbohydrate and lipid profiles in diabetic mice. Pharmacologyonline, 2: 787-795. (IF = 0.310)
  8. Syiem D & Lyngdoh W (2009). Hypoglycemic effects of Gymnopetalum Cochinchinensis. Pharmacologyonline, 2:728-738. (IF = 0.310)
  9. Syiem D, Sharma R & Saio V (2009) In vitro study of the antioxidant potential of some traditionally used medicinal plants of North-East India and assessment of their total phenolic content. Pharmacologyonline, 3:952-965. (IF = 0.310)
  10. Syiem D and Majaw S (2010). Effect of Potentilla fulgens L. on Aldose Reductase activity of  normal and diabetic mice. Inventi Rapid: Ethnopharmacology Vol. 1, Issue 1, . (IF=0.89).
  11. Syiem D and Majaw S (2010). Effect of Potentilla fulgens L. methanolic extract on Sorbitol Dehydrogenase in normal and alloxan-induced diabetic mice. Pharmacologyonline, 2:671-680. (IF = 0.310)
  12. Roy B, Swargiary A, Syiem D and Tandon, V (2010). Potentilla fulgens (Family Rosaceae), a medicinal plant of North-East India: a natural anthelmintic?", Journal of Parasitic Diseases, 34: 83-88. (IF = 0.670)
  13. Syiem D, Monsang Sh. W and Sharma R (2010). Study of the hypoglycemic and anti-hyperglycemic activity of curcuma amada roxb. in normal and alloxan induced diabetic mice. Pharmacologyonline3: 364-372. (IF = 0.310)
  14. Syiem D and Warjri P (2011). Hypoglycemic and antihyperglycemic effects of aqueous extract of Ixeris gracilis DC. on normal and alloxan-induced diabetic mice. Diabetologica Croatica. 40(3), 89-95.
  15. Syiem D & Majaw S (2011). Effect of different solvent extracts of Potentilla fulgens L. on aldose reductase and sorbitol dehydrogenase in normoglycemic and diabetic mice. Pharmacologyonline, 3: 63-72. (IF = 0.310)
  16. Saio V, Syiem D & Sharma R (2012). Effect of Potentilla fulgens on lipid peroxidation and antioxidant status in alloxan-induced diabetic mice. Journal of Basic and Clinical Pharmacy. 3:249-253 (IF=0.82).
  17. Syiem D & Lyngdoh W (2013). Glyco-and Lipo-regulatory effects of Gymnopetalum cochinchinense(Lour) Kurz in alloxan-induced diabetic mice. The Journal of Ethnobiology and Traditional Medicine. The Journal of Ethnobiology and Traditional Medicine. Photon 118 (2013) 214-221. (IF = 6.38)
  18. Syiem D and Warjri P (2013). The Effect of Aqueous extract on Smilax perfoliata on blood  glucose, lipids and selected hepatic enzymes of alloxan- induced diabetic mice. Int. J Pharm Bio Sci. 4(2) pp. 945-955. (IF = 0.888)
  19. Syiem D and Warjri P (2015). Antidiabetic, antioxidant and TNF- α lowering properties of extract of the traditionally used plant Ixeris gracilis in alloxan-induced diabetic mice ( ; DOI: 10.3109/13880209.2014.924151; Pharmaceutical Biology online1-9) (IF = 1.337) Pharm Biol, 2015 53(4): 494-502. (IF = 2.49)
  20. Saio V, Syiem D, Sharma R & Dkhar J (2016). Amelioration of age-dependent increase in oxidative stress markers in male mice by extract of Potentilla fulgens (Redox Report, online Communications in free Radicals) . Redox Rep. 21,130-138.  (IF= 1.963).     
  21. Patar AK, Bhan S & Syiem D (2016). Effect of chlorophyllin, an semi-symthetic chlorophyll molecule on hyperglycemia and hyperlipidemia in streptozotocin induced diabetic mice. Int. J of Pharmacy & Pharmaceutical Sciences, 8(8):293-296. (IF= 1.230)
  22. Majaw S & Syiem D (2016). Effect of Osbeckia Chinensis root extract on aldose reductase and sorbitol dehydrogenase activity in mice of two different age groups. Der Pharmacia Lettre, 8 (13):149-156.(IF= 1.96)
  23. Patar AK, Bhan S, Syiem D & Sharma A (2016). Ameliorative effect of chlorophyllin on oxidative stress in experimental model of diabetes. Intl. J of Phytomedicine (8): 506-513 (IF = 0.22)
  24. Rynjah CV, Devi NN, Khongthaw N, Syiem D & Majaw S (2017). Evaluation of the antidiabetic property of aqueous leaves extract of Zanthoxylum armatum DC. using in vivo and in vitro approaches. Journal of Traditional and Complementary Medicine. . tcme (RG IF=3.08, SJR IF = 0.5).
  25. Dkhar B, Khongsti K., Thabah D., Syiem D.,   Satyamoorthy K., and Das B (2017). Genistein Represses PEPCK-C Expression In An Insulin-Independent Manner In HepG2 Cells And In Alloxan-Induced Diabetic Mice. Journal of Cellular Biochemistry (John Wiley & Sons, Inc) pp. 1-61). J Cell Biochem. 2018;119:1953–1970. (IF=4.237).
  26. Patar AK, Sharma A, Syiem D & Bhan S (2018). Chlorophyllin supplementation modulates hyperglycemia-induced oxidative stress and apoptosis in liver of streptozotocin-administered mice". BioFactors (Wiley), . (IF=3.326).
  27. Selvina J, Lanong S, Syiem D , Mandal S De, Kayang H, Kumar NS, Kiran GS (2019). Culture-dependent and metagenomic analysis of lesser horseshoe bats’ gut microbiome revealing unique bacterial diversity and signatures of potential human pathogens. Microbial Pathogenesis (Elsevier), 137, 103675. (IF =2.58).
  28. Wankhar W, Syiem D,  Pakyntein CL, Thabah D, Sunn SE (2020). Effect of 5-HT2C receptor agonist and antagonist on chronic unpredictable stress (CUS) - mediated anxiety and depression in adolescent Wistar albino rat: Implicating serotonin and mitochondrial ETC-I function in serotonergic neurotransmission. Behavioural Brain Research (Elsevier),393 (2020) 112780 . (IF = 2.77).  
  29. Valrielyn Saio, Donkupar Syiem*, Ramesh Sharma and Careen Liza Pakyntein (2021). Dichloromethane extract of Potentilla fulgens wall. Ex. Sims ameliorates alloxan induced oxidative stress and inflammatory responses in mice. Clinical Phytoscience (Springer) 7:6 . (IF = 1.48).  
  30. Thabah D; Syiem D; Pakyntein C L; Bhattacharjee A; Kharshiing C E; Banerjee S (2021) Potentilla fulgens upregulate GLUT4, AMPK, AKT and insulin in alloxan-induced diabetic mice: an in-vivo and in-silico study. Archives of Physiology and Biochemistry , (Taylor & Francis). (IF = 2.575).
  31. Jutishna Bora, Plabita Sahariah, Ankita Dey, Donkupar Syiem  and Surya Bhan (2022). Phlogacanthus thyrsiflorus Nees. modulates hepatic and renal apoptosis via attenuation of oxidative stress in alloxanâ??administered mice. Comparative Clinical Pathology (Springer).

National: 24 Nos.

  1. Syiem D., & Sharma R. (1996). Purification and kinetic characterisation of chicken liver inorganic pyrophosphatase, Indian Journal of Biochemistry and Biophysics, vol 33, pp. 363-370 (IF=0.537).
  2. Syiem. D, Syngai. C, Kharbuli. B, Kayang. H and Khongwir. B. S. (2003). Anti-Tumour Activity of Crude Root Extract of Potentilla fulgens. Indian Drugs 40 (2): 124-125 (IF=0.07).
  3. Laskar. M. A, Lyngdoh. J. P, Buam. J. J, and Syiem. D. (2005). Plantlet regeneration via adventitious shoot bud proliferation from leaf explants in Potentilla fulgens Wall.ex Hook.- A plant possessing hypoglycemic activity. Indian Journal of Biotechnology, 4: 257-260 (IF=0.413).
  4. Laskar. M. A, Lyngdoh. J. P, and Syiem. D (2006). Induction of Callus Cultures in Panax assamica; Journal of Applied Biosciences and Biotechnology, 2: 63-66
  5. Kayang H, Kharbuli B and Syiem D (2007). Role of Community in Conservation of Biodiversity: a Case Study in Khasi Hills of Meghalaya, India. Journal of Basic & Applied Biology 1: 1-5
  6. Kayang H, Kharbuli B and Syiem D (2008). Gaultheria fragrantissima Wall.- An untapped economic plants species of Meghalaya. Natural Product Radiance, Vol 7(5), p 400.
  7. Kayang H, Kharbuli B and Syiem D (2009). Litsea Wall.- An untapped economic plants species of Meghalaya. Natural Product Radiance, Vol, No 8(1), p 5
  8. Sharma R and Syiem  D (2013).Goals towards healthy ageing. Current Science, Vol. 104. (IF= 0.756).
  9. Lyngdoh JP, Syiem D & Mao AA (2014). Pattern of traditional medicine usage in East Khasi Hills of Meghalaya. Indian Journal of Traditional Knowledge, Vol. 13 (1),  pp. 164-170 (IF= 0.731).
  10. J J H. Anal, R Majeed, G Bez, D Syiem, A Hamid and A K. Saxena (2014) . In vitro cytotoxicity of the polar extracts of Potentilla fulgens L. against human cancer cell lines: Detection and isolation of bioactive phenolics. Journal of chemical and pharmaceutical research vol 6(9): 89-95.
  11. Saio V. and Syiem D (2015). Phytochemical analysis of some traditionally used medicinal plants of North-east India. Journal of Science and Environment Today. Vol.1: 6-13
  12. Majaw S & Syiem D (2016). In vitro aldose reductase inhibitory potential of fractions isolated from Potentilla fulgens roots. J of Applied Pharmaceutical Science, Vol 6: 102-109. (IF =0.62).
  13. Bora J, Sahariah P, Patar AK, Syiem D & Bhan S (2018). Attenuation of diabetic hepatopathy in alloxan-induced diabetic mice by methanolic flower extract of Phlogacanthus thyrsiflorus Nees. Journal of Applied Pharmaceutical Science Vol. X(XX), pp XX-XX, 2018 . Available online at .DOI: ISSN 2231-3354. (IF =0.62).
  14. Sahariah P, Bora J, Patar AK Syiem D & Bhan S (2018) Effect of Dillenia indica l. against oxidative stress-induced cardiomyopathy on alloxan-induced diabetes mice model. Asian Journal of Pharmaceutical and Clinical Research. ( 0/) DOI: . (IF=0.48).
  15. Sahariah P, Bora J, Patar AK Syiem D & Bhan S (2018) Evaluation of antihyperglycemic and antioxidative effects of Dillenia indica l. using in vivo approaches. Int. J of Pharmaceutical and Research (IJPSR), Vol. 9(11): 1000-12. (IF=0.13).
  16. Majaw S., Challam S.K. and Syiem D (2018). Effect of Potentilla Fulgens L. on Selected Enzyme Activities and Altered Tissue Morphology in Diabetic Mice. J Morphol Sci;35:153–160.
  17.  Lanong S, Kharshandi F, Kayang H, and Syiem D (2018).  Report On Isolation Of Plant Growth Promoting Bacteria (PGPB) From The Gut Of Lesser Horseshoe Bat Collected From The North-Eastern Part Of India, Intl J of Adv Sci Res and Manag., (IJASRM)  Vol 3 Issue 12, Dec, pp 78-89.
  18. Bora J, Syiem D & Bhan S (2018). Methanolic flower extract of Phlogacanthus thyrsiflorus nees attenuates diabetic nephropathy in alloxan-induced diabetic mice. Asian J Pharm Clin Res, Vol 11, Issue 7, 2018, 1-4 (IF=0.48).
  19. Bora J, Syiem D and Bhan S (2019)  Quantitative analysis of total phenolic, flavonoid contents and HPTLC fingerprinting of flower extracts of Phlogacanthus thyrsiflorus Nees.  Journal of Pharmacognosy and Phytochemistry (JPP); 8(3): 906-911.
  20. Wahlang J and Syiem D (2019). Endogenous Activity of Glutamate Dehydrogenase from Different Tissues of Mice at Various Postnatal Ages: Effects of Substrates and Co-substrates on the Activity of the Enzyme from the liver of two ages .Indian Journal of Gerontology, Vol. 33, No. 1, pp. 1–19 ISSN: 0971–4189, UGC No. 20786.
  21. Syiem D and Syiem M (2020). The deadly dozen: an account of top killer viruses. ISSN. 0972 - 8406 The NEHU Journal, Vol. XVIII, No.1, January-June 2020, pp. 1-19.
  22. Pakyntein C L, Syiem D*, Thabah D and Sunn SE (2021).Antioxidant, anti-inflammatory, and anti-hyperglycemic activity of aqueous and methanolic extract of Houttuynia cordata: an in vitro and in vivo study.  GSC Biological and Pharmaceutical Sciences,  16(03), 145–154. Article DOI:
  23. Shelareen E Sunn, Donkupar Syiem *and Careen Liza Pakyntein (2021). Amelioration of altered adipokines expression and serine/threonine phosphorylation of IRS1 in alloxan-induced diabetes by Potentilla fulgens and its phytochemical constituents. GSC Biological and Pharmaceutical Sciences, 17(03),144–152. .
  24. Syiem AB; Pakyntein CL and Thabah D & Syiem D (2022). Houttuynia cordata and Hypochaeris radicata extracts improves glucose homeostasis in alloxan-induced diabetic mice by altering lipid profile and glycolytic enzymes. International Journal of Pharmacological Research.  IJPR |VOL 12|ISSUE 5| 12(5): e5743. ISSN: 2277-3312 (Online); Journal DOI:

Proceedings/book chapters etc: 12 Nos.

  1. Syiem D, & Sharma R. Kinetic differences in liver inorganic pyrophosphatase during development of chick,  in : Aging, Indian perspective and Global Scenario (ed. V.Kumar) pp. 445-458., Balaji printers as part of the proceedings of the International Symposium on Gerontology (India), and VIIth. conference of the Association of Gerontology (India), held at the All India Institute of Medical Sciences, AIIMS, New Delhi, 1994, from  14th - 16th November
  2. Nongkhlaw D.G., Das B, Syiem D, Kharbuli B, Myrboh B, Kayang H, and. Buam D.R.M, (1999). Biodiversity Conservation: What it means to the People: A case study of the Mawphlang Dam. In Proceedings Biodiversity, North East India Perspectives.  (Eds. B. Kharbuli, D. Syiem and H. Kayang)  pp- 121- 127
  3. Syiem D., Kharbuli B, Khongwir B.S, Kayang H and Myrboh B. Prospect of Ethno-botany in North Eastern India, paper presented in National Seminar on Ethnobotany: Past, Present and Future held at Aizawl, Mizoram on the 12th April 2000.
  4. Syiem D, Joshi S.R. and Syiem M.B (2005). Intellectual Property Rights and North East India- issues and relevance: Proceedings of the National Seminar on Intellectual Property Rights, published by St Anthony’s College, Shillong , pp. 145-149
  5. Syiem D, Kharbuli B, Myrboh B, and Buam. D.R.M. (2006). Medicinal Plants and Herbal Medicine: A case study in Meghalaya. In Biodiversity in North East India.Eds. B. Kharbuli, H. Kayang and D. Syiem - pp- 51-59. NEHU Publication.
  6. Kharbuli B., Syiem D, and Nongkhlaw D.G (2006).  The Socio-cultural Evolution of Sacred Groves among the Khasis of Meghalaya, In Biodiversity in North East India.  Eds. B. Kharbuli, H. Kayang and D. Syiem - pp- 217 – 221. NEHU Publication.
  7. Syiem D, Kayang H, Mawthoh P.R. and Kharbuli B (2006). Indigenous Knowledge System with Special Reference to the Khasis of Meghalaya. In Biodiversity in North East India.  Eds. B. Kharbuli, H. Kayang and D. Syiem - pp- 209 - 212 NEHU Publication.
  8. Mawthoh P. R., Syiem D. & Kharbuli B (2006); Traditional Land Tenure System of the Khasis of Meghalaya, India. In Biodiversity in North East India.  Eds. B. Kharbuli, H. Kayang and D. Syiem - pp- 213 - 216. NEHU Publication.
  9. Syiem D and Syiem M.B (2007).  Medicinal plants and conservation: some issues and concerns. In Biodiversity and its significance. Eds. P.Tandon, Y.P. Abrol and S. Kumaria. pp. 151-156 I.K International Publishing House Pvt. Ltd, New Delhi
  10. Majaw S and Syiem D (2008) Medicinal plants: potential source in the treatment of diabetes. In Biodiversity: Herbal Medicine. Eds. Marngar D and Jyrwa S. p 204-210. Akansha Publishing House, New Delhi.
  11. Syiem, D. (2010). Medicinal and Aromatic plants: Role in health, Economy and Biodiversity Conservation.  In Indigenously Yours (Eds: B.K Sohliya & P.J.Dutta) Proceedings of the Workshop on Conserving and Promoting Biodiversity: Strategic approaches, organized and published by the Directorate of Horticulture, Govt. of Meghalaya on 6th October,2010.
  12. Syiem D, Lyngdoh W, Warjri  P,  Tariang D, Dkhar  A & Deingdoh A.M.R (2012). Prevalence of diabetes amongst the Khasi and Jaintia population of Meghalaya. The NEHU Journal, Vol X, No.1, 73-80.



Books authored   

One; Biodiversity in North East India (ed.  B. Kharbuli, H. Kayang & D Syiem). Published by NEHU publication, 2006                                                            

Technical reports:

  1. Information on Minor Non-Wood Forest Products and Medicinal Plants and their Selective Extraction for the State of Meghalaya and Two   Hill Districts of Assam (N.C.Hills & Karbi Anglong), 1998
  2. Master Plan for community based conservation & commercialization of Medicinal and aromatic plants in Northeast India, 2004; funded By NEC.
  3. Final technical report: North Eastern Biodiversity Cell: 1998-2002; funded by NEC.
  4. National Biodiversity Strategy and Action Plan for the State of Meghalaya: 2002, UNDP/GEF/MoEF; prepared by NEBRC, Shillong.

MoUs formulated for academic collaborations:

  1. MOU with Naresuan University, Thailand (Ref:  No.12-81/Acad/MOU/2017-1628, dated 20th Aug. 2018)
  2. Mou with SawAiom, a local Start up of Shillong; part of the Academica -Industry Collaboration: An initiative as Director DIC, 2022
  3. Mou with Turbit, a local Start up of Shillong; part of the Academica -Industry Collaboration: An initiative as Director DIC, 2022
  4. Mou with BRDC, A State Institute, Govt. of Meghalaya, Shillong; part of the Academica -Institute Collaboration: An initiative as Director DIC, 2022
  5. Mou with Djame, a local Start up of Shillong; part of the Academica -Industry Collaboration: An initiative as Director DIC, 2022

Articles in newspaper, magazines etc

Sl No Date Title Name of Magazine/Newspaper
1 26 August, 2020 Understanding immunity and vaccine development Meghalaya Times
2 August 19, 2020 Body’s defense toolkit against invading pathogens The Shillong Times
3 August 12, 2020 How Vaccines are made and tested: From Bench to Bedside Blogs : (
5 23 April, 2020 Covid-19: The enemy up close., The Shillong Times
6 27 August, 2006 Medicinal Plants & Conservation: issues & concern The Shillong Times
7 October 14, 1998 Biodiversity : A Deeper Look The Shillong Times