• Surgery and Clinical sciences

• Transplanting a Brain Spinal Cord Level - 2 publications
• Influence of dietary factors and exercise on back pain
• Use of stem cells in spinal cord injury
• Optimization of diagnosis and management of head injury
• Seasonal variation in aneurysm rupture in Sri Lanka
• Surgically significant Neuro anatomy
• Effect of Environmental Temperature in the Spread of COVID-19
• Prevention of the sperad of Covid-19

1. Rathnayake K, Semasinghe S, Nanayakkara C, Sukirthan S. Differences in BMI, Physical Activity Level and Diet of Healthy People and People with Lower Back Pain. In: KDU IRC 2021 Security, Stability And National Development In The New Normal. Colombo; 2021.
2. Kamkanamge M, Nanayakkara C, Gunasekera N. The Safety and Feasibility of Intrathecal Stem Cell Therapy for Spinal Cord Injuries. In: “Professionalism, Pragmatism And Pluralism” - The 49Th Sri Lanka
   Surgical Congress - 2020. Colombo: College of Surgeons of Sri Lanka,
   Joint International Conference with The Royal College of Surgeons of
   Edinburgh and the SAARC Surgical Care Society; 2020.
3. Nagasinghe S, Nanayakkara C, Gunasekara N, Liyanagama N. Analysis of
   CT Feature and postoperative outcome in patients who underwent
   Decompressive Craniectomy after Head Injury. In: "Professionalism,
   Pragmatism And Pluralism" - The 49Th Sri Lanka Surgical Congress -
   2020. Colombo: College of Surgeons of Sri Lanka, Joint International
   Conference with The Royal College of Surgeons of Edinburgh and the
   SAARC Surgical Care Society.; 2020.
4. Kamkanamge, M., Nanayakkara, C. and Gunasekera, N. (2019). The
   Safety and Feasibility of Intrathecal Stem Cell Therapy for Spinal Cord
   Injuries. In: Glorious Neurosurgery - 2019 WFNS Special World Congress
   The Last Interim Meeting. Beijing.
5. Mohotti, N., Gunasekera, N., Nanayakkara, C., Nadesan, A. and Herath,
   H. (2019). Influence of monsoon rain on rupture of cerebral aneurysm in
   Sri Lanka. In: 48th Annual Academic Sessions - 2019 of The College of
   Surgeons of Sri Lanka in Collaboration with The Royal College of
   Surgeons of Edinburgh and The SAARC Surgical Care Society. Galle: The
   College of Surgeons of Sri Lanka, pp.32, 33.
6. Weerasekara, K., Samarathunga, P., Kanishka, C., Nanayakkara, C. and
   Gunasekara, N. (2019). Factors affecting post-surgical outcome in
   neurosurgical patients in a tertiary care center: a descriptive study. In: The
   College of Surgeons of Sri Lanka in Collaboration with the Royal College
   of Surgeons of Edinburgh and The SAARC Surgical Care Society. Galle:
   The College of Surgeons of Sri Lanka, p.47.
7. Nanayakkara, B., Mohotti, N. and Gunasekera, N. (2019). Monsoon Rain
   and Rupture of Cerebral Aneurysms in Sri Lanka. In: 2019 AANS Annual
   Scientific Meeting. San Diego, CA: American Association of Neurological
   Surgeons.
8. Nanayakkara, B. (2019). Pitfalls of HEAVEN (HEad Anastomosis
   VENture) project in Transplanting a Brain. In: 2019 AANS Annual
   Scientific Meeting. San Diego: American Association of Neurological
   Surgeons.
9. Lal, D., Attanayake, D., Wadanambi, S., Kumarasinghe, N., Garusinghe,
   S. and Nanayakkara, C. (2018). Value of intraoperative Cerebro-Spinal
   fluid (CSF) sampling in ventriculo-peritoneal shunting for non-infective
   cerebral pathology. In: Annual Academic Sessions. Colombo: College of
   Surgeons of Sri Lanka.
10. Nanayakkara, B. (2018). Brain transplantation at spinal level; HEAVEN
    (Head anastomosis venture project) Vs NERA Nerve root anastomosis
    hypothesis. In: Asia Pacific Spine Society Annual Meeting. Taipei.
11. Hasan, R., Ilayperuma, I., Nanayakkara, B., Edirisingha, P., Withana, A.
    and Weerasinghe, W. (2013). A Preliminary Study of the Jugular Foramen
    and its variations in adult Sri Lankan Human skulls. In: International
    Conference of Sri Lanka Dental Association (FDI/CDA/SLDA Joint
    International Conference & 80th Anniversary Annual Scientific Sessions of
    Sri Lanka Dental Association)
12. Nanayakkara B, Sooriyabandara C, Kumari D. Effect of Environmental
    Temperature in the Spread of COVID-19 (2nd wave). In: KDU IRC 2021
    Security, Stability And National Development In The New Normal.
    Colombo: Kotelawala Defense University; 2021.
13. Ilayperuma, I., Nanayakkara, B. C. I. J., Prabodha, L. P. L. B., Kodikara,
    S.K.Y.I., Nanayakkara, B. G., Palahepitiya, N. K., Head Circumference as
    a Body Weight Predictor in a Group of Sri Lankan Adults. Sri Lanka
    Anatomy Journal (SLAJ), 1(1):6 - 15, 2017.
14. Nanayakkara, C., (2016). Intestinal helminths cause or mimic acute
    appendicitis- . Journal of the Postgraduate Institute of Medicine . 3 , pp .
    E27:1-E27:4 . DOI: http://doi.org/10.4038/jpgim.8089
15. Nanayakkara, C., Hasan, R., Prabodha, L., Ilayperuma, I. and
    Nanayakkara, B. (2013). GENDER DIMORPHISM IN THE
    MAXILLARY FIRST MOLARS: A PRELIMINARY STUDY. Sri Lanka
    Dental Journal, 43(1). (Proceedings journal of International Conference of
    Sri Lanka Dental Association (FDI/CDA/SLDA Joint International
    Conference & 80th Anniversary Annual Scientific Sessions of Sri Lanka
    Dental Association)
16. KODIKARA, S., NANAYAKKARA, C., KARUNARATHNA, M.,
    WANIGARATNE, S., NANAYAKKARA, B. and ILAYPERUMA, I.
    (2016). Splenic morphometry in a group of Sri Lankan population - a
    preliminary cadaveric study. In: 15th Annual Academic Sessions of Sri
    Lanka College of Radiologists “Beyond Basics to Navigate the Future”.
    Colombo
17. Kodikara, S., Nanayakkara, C., Nanayakkara, G. and Ilayperuma, I.
    (2017). Splenic Morphometry in a Group of Sri Lankan Adult Population
    - A Preliminary Cadaveric Study. Sri Lanka Anatomy Journal, 1(1).
18. Bandara, W., Rathnayake, A., Basnayake, B., De Silva, M., Edirisinghe,
    D., Nanayakkara, B. and Somasiri, K. (2014). Military Training Improves
    Lipid Profile. In: KDU International Research Conference. [online]
    Ratmalana: General Sir John Kotelawala Defense University, pp.74-78.
    Available at: http://www.kdu.ac.lk/proceedings/irc2014/2014/med015.pdf
19. Nanayakkara, C., Kankanamge, N. and Dorji, N. (2008). Prevalence and
    associated risk factors for Depression among Medical Students. In: Student
    Scientific Sessions. Colombo: Medical Faculty, Colombo.

Books

1. Head Injury - ("හිස අනතුරකට ලක් වීම – රෝගියා බලා ගැනීමට වැදගත් කරුණු")
   a. Printed Book - ISBN 978-624-5302-00-0
   b. E Book - ISBN 978-624-5302-15-4
2. Discharge Guide after Cranial Surgery - ( “ටිකට් කපා ගෙදර යාමට පෙර: මොළයේ ශල්යකර්මය පිලිබඳ රෝ ගිය බලා ගැනීමට වැදගත් කරුණු” )
   a. Printed Book - ISBN 978-624-5302-01-7
   b. E Book - ISBN 978-624-5302-16-1
3. Arterio Venous Malformations - (“මොළයේ ලේ නහර ගැට ගැසීම (Arterio venous
   malformations AVM) : රෝගියා බලා ගැනීමට වැදගත් කරුණු”)
   a. Printed Book - ISBN 978-624-5302-02-4
   b. E Book - ISBN 978-624-5302-17-8
4. Discharge Guide - Sub Dural Haemorrhage - ("ටිකට් කපා ගෙදර යාමට පෙර:
   මොළයේ ජාලාකාර පටලයට සිදුවන ලේ ගැලීමකදී රෝගියා බලා ගැනීමට වැදගත්
   කරුණු")
   a. Printed Book - ISBN 978-624-5302-03-1
   b. E Book - ISBN 978-624-5302-18-5
5. Excision of a Cerebral Tumour - ("මො ළයේ ගෙ ඩියක් ඉවත් කිරීම: රෝගියා බලා
   ගැනීමට වැදගත් කරුණු”).
   a. Printed Book - ISBN 978-624-5302-04-8
   b. E Book - ISBN 978-624-5302-19-2
6. Subdural Haemorrhage - (“මොළයේ වරාශිකා පටලයට යටින් ලේ ගැලීම: (Subdural
   Haemorrhage - SDH) රෝගියා බලා ගැනීමට වැදගත් කරුණු”).
   a. Printed Book - ISBN 978-624-5302-05-5
   b. E Book - ISBN 978-624-5302-20-8
7. Excision of a Pituitary Tumour - ("පිටුයිටරි ග් රන්ථියේ ගෙ ඩියක් ඉවත් කිරීම:
   රෝ ගියා බලා ගැනීමට වැදගත් කරුණු")
   a. Printed Book - ISBN 978-624-5302-06-2
   b. E Book - ISBN 978-624-5302-21-5
8. Excision of a Vestibular Schwannoma - ("ඇසීමට සම්බන්ධ ස්නායුවේ ගෙඩියක් ඉවත්
   කිරීම: රෝගියා බලා ගැනීමට වැදගත් කරුණු")
   a. Printed Book - ISBN 978-624-5302-07-9
   b. E Book - ISBN 978-624-5302-22-2
9. Anterior Cervical Discectomy and Fusion (ACDF) - ("බෙල්ලේ ස්නායු තද වීම (ACDF
   සැත්කම) රෝගියා බලා ගැනීමට වැදගත් කරුණු").
   a. Printed Book - ISBN 978-624-5302-08-6
   b. E Book - ISBN 978-624-5302-23-9
10. Excision of a Meningioma (Intracranial) - ("මොළයේ මෙ නින්ජිය ෝමා නම් වූ
    ගෙඩියක් ඉවත් කිරීම: රෝ ගියා බලා ගැනීමට වැදගත් කරුණු”).
    a. Printed Book - ISBN 978-624-5302-09-3
    b. E Book - ISBN 978-624-5302-24-6
11. Slipped Disk causing Back Pain - (“කොන්දේ කැක්කුම (ඩිස්ක් එකක් පැන්න අවස්ථාව):
    රෝගියා බලා ගැනීමට වැදගත් කරුණු”)
    a. Printed Book - ISBN 978-624-5302-10-9
    b. E Book - ISBN 978-624-5302-25-3
12. Clipping a Cerebral Aneurysm - (“මොළයේ ලේ නහරයක් පිපිරීම- ඇනියුරිසම්
    එකක් ක්ලිප් කරන සැත්කම : රෝගියා බලා ගැනීමට වැදගත් කරුණු”)
    a. Printed Book - ISBN 978-624-5302-11-6
    b. E Book - ISBN 978-624-5302-26-0

Book Chapters and Contributions to Other Books

1. This invention was featured in a book published by a UK based author Mr. Fred
   Harding named “Coronavirus, HOPE” LINK TO THE BOOK
   https://www.academia.edu/42942272/Coronavirus_Hope_COVID-19_is_SARS_
2. Book Name - Game Changer: Secrets to living your best life after a concussion.

• Author - Dr. Amanthi Demuth
• ISBN - 9798665804491
• Section 6 : Advice from all around the world
• Chapter 18: The expert's column
• Pages - 89 to 91

Editorial Work

• Was Web administrator / editor of wedananasala website  - e-swabhimani award for the best e-health website (wedananasala.org)

1. At the moment developing a Helmet that has a N100 filter and air circulation system which seals at shoulders rather than the face or neck which gives maximum safety with minimum discomfort / hypoxia for the wearer (Patent pending).
2. Inventing the “Dankotuwa Inhaler” which is a modification of the “Nelson's Inhaler” into a 100% porcelain Inhaler which is more user friendly, efficient and easier to sterilize than the predecessor. This invention further developed to be made with red clay in collaboration with Faculty of Visual Arts, University of the Visual and Performing Arts (Patent pending).

• Reviewer for BMJ (British Medical Journal) case reports - (from 2021)
• Senior Clinical Fellow at North of Scotland Brain and Spine Center (2000-2021)
• Plenary/Technical Session coordinator / International Research Conference - 2020 - Kotelawala Defence University.
• Member of CNS (Congress of Neurological Surgeons) USA (2019)
• Member of Neurosurgeons Association of Sri Lanka. (2018)
• Life Member of the Galle Medical Association.
• Senior Affiliate of Sri Lanka College of Surgeons. (2018)
• Member of APSS (Asia Pacific Spine Society) (2018)
• Member of APOA (Asia Pacific Orthopaedic Association) (2018)

• Committee Member of the Sri Lanka Medical Library (SLML) (Founded 1844)
         Assisting Editor- SLML (2017-2018)
         Social Secretary- SLML (2018-2019)

• Collaborated with ICTA and Bio informatics students at PGIM to develop the wedananasala website.