My teaching approach based on personalized attention and topic by topic specialized attention.
I am a Science PhD with specialization in Biochemistry/Biology/Chemistry. Also involved in teaching Math and Physice for SHSAT/SAT/ACT students. Specialized in Organic Chemistry/Biochemistry with a specialized knowledge of Microbiology and Molecular Biology. Specialized in STEM education with common core approach
A: HIGHER EDUCATION
DEGREE & MAJOR DATE
Kolkata University, India 1986 BSc., Chemistry December 1986
Kolkata University, India 1988 MSc., Biochemistry December 1988
Kolkata University, India 1996 Ph.D. Biochem &Mol Biol May 1996
B: EXPERIENCE (Teaching and Research)
INSTITUTION DATES RANK DEPARTMENT
Hostos College of The City University of New York 2006- Full Professor (Tenured) Natural Science
(Chem & Biol)
New York University Tandon School of Engineering
Pace University, Dyson College of Science 2012-
2013- Adjunct Researcher/Professor
Adjuct Associate Professor Chemical & Biological. Engg
Manhattan College, NY 2001-2003 Adjunct Assistant Professor Chemistry & Biochemistry
Columbia University, NY,(Medical Student Exchange Prog. with Okayama Univ., Okayama, Japan). 1998-2003
2003-present Associate Research Scientist
(Adjunct Researcher) Center for Radiological. Research
Long Island University (C.W. Post), NY. 2005-2006 Adjunct Assistant Professor Mol.Biol.Prog, Biology Dept.
State University of New York at Farmingdale State College 2005-2006
2010-2011 Adjunct Assistant Professor Sch. of Prof. Develop/Biol.
Suffolk County Community. College of SUNY 2005-2018 Adjunct Professor Natural Science
(Biol. & Chem)
Brookhaven National Laboratory 2003-2006 Associate Research Scientist Biochemistry
Kolkata University, India 1993-1996 Project Professor
Toyama Prefectural University, Toyama, Japan 1997-1998 Research Professor (JSPS)
C: ACADEMIC AND PROFESSIONAL POSITIONS/HONORS
1990-1995 Assisting Research Fellow, Mol. Biology Lab, Botany, Kolkatta University.
1991-1996 CSIR-INDIA Research Fellow, Molecular Biology Lab, Botany and Microbiology Lab, Biochemistry, Kolkatta University.
1996-1997 Research Associate, Molecular Biology Lab, Kolkatta University.
1997-1998 Research Professor, Japan Society for Promotion of Science (JSPS), Laboratory of Molecular Enzymology, Biotechnology Research Center, Toyama, Prefectural University, Toyama, Japan.
1998-2003 Associate Research Scientist, Center for Radiological Research, Columbia University, NY.
2003-2005 Assistant Biologist, NASA Space Radiation Lab, Biology, Brookhaven
National Laboratory. NY.
2005-2006 Associate Biologist, NASA Space Radiation Lab, Biology, Brookhaven National Laboratory. NY.
2006-Present Professor, Natural Science, Hostos College of The City University
of New York, NY.
Major: 39; Reads: 4507; Citations: 560; Impact points: 131.92
G. M. Calaf, Aguayo F, Sergi C. M, Juarranz A, D. Roy. Antioxidants and Cancer: Theories,
Techniques, and Trials in Preventing Cancer. Oxid Med Cell Longev. May 20, 2018.
G. M. Calaf, D. Roy. Metastatic genes targeted by an antioxidant in an established radiation- and
estrogen-breast cancer model. Int J Oncol. 51(5): 1590-1600 (2017)
G. M. Calaf, D. Roy. NSAIDs: Multiple roles in multiple environments. Cancer Research. ET03-02,
W. H. Goodson III..D. Roy..et.al. Assessing the Carcinogenic Potential of Low Dose Exposures to
Chemical Mixtures in the Environment: The Challenge Ahead. Carcinogenesis 36(S1):S254
S296 · June 2015.
R. Nahta, ..D. Roy..et.al. Mechanisms of environmental chemicals that enable the cancer
hallmark of evasion of growth suppression. Carcinogenesis 36:S2-S18 · June 2015.
G. M. Calaf, D. Roy, R. Ponse-Cusi. Genes targeted by drugs and curcumin in a breast
carcinogenesis model. Cancer Research 75(15 Supplement): LB-086, July 2015.
D. Roy, G. M. Calaf. Mutation of β-catenin in a radiation and estrogen breast cancer model. Int J Oncol. 46(1):153-60. (2015).
D. Roy, G. M. Calaf. Allelic loss at chromosome 11q13 alters FGF3 gene expression in a human breast cancer progression model.Oncol Rep. 32(6):2445-52. (2014).
G. M. Calaf, A. S. Balajee, M. T. Montalvo-Villagra, M. Leon, N. M.Daniela, R. G. Alvarez, D. Roy, G. Narayan, J. Abarca-Quinones. Vimentin and Notch as biomarkers for breast cancer progression. Oncol. Lett. 7(3):721-727. (2014).
G. M. Calaf, D. Roy, G. Narayan, A. S. Balajee. Differential expression of cell adhesion molecules in an ionizing radiation-induced breast cancer model system. Oncol. Rep. 30(1):285-91. (2013).
G. M. Calaf, C. Echiburu-Chau, G. Wen, A. S. Balajee, D. Roy. Effect of curcumin on irradiated and
estrogen-transformed human breast cell lines. Int J Oncol. 40(2): 436-42. (2012).
C. Echiburú-Chau, G. M. Calaf. D. Roy. Deleterious MnSOD signals lead to abnormal breast cell
proliferation by radiation and estrogen exposure.Int J Oncol.38(6):1703-11. (2011).
G. M. Calaf, C. Echiburú-Chau, D. Roy, Y. Chai, G. Wen, A. S. Balajee. Protective role of curcumin in
oxidative stress of breast cells. Oncol Rep.26(4):1029-35. (2011).
D. Roy, G. A. Arason, B. Chowdhury, A. Mitra, G. M. Calaf. Profiling of cell cycle genes of breast cells exposed to etodolac. Oncol Rep. 23(5): 1383-1391, (2010).
G. Wen, M. Hong, G. M. Calaf, D. Roy, M. A. Patridge, B. Li, Hei T. K.Phosphoproteomic
profiling of arsenite-treated human small airway epithelial cells Oncol Rep.23(2): 405-412, (2010).
G. M. Calaf, C. Echiburu-Chau, D. Roy. Organophosphorous pesticides and estrogen induce transformation of breast cells affecting p53 and c-Ha-ras genes. Int J Oncol. 35(5): 1061-1068, (2009).
D. Roy, P. Guida, G. Zhou, C. Echiburu-Chau, G.M. Calaf. Gene expression profiling
of breast cells induced by X-rays and heavy ions. Int J Mol Med. 21(5): 627-636 (2008).
G.M. Calaf, D. Roy. Cancer genes induced by malathion and parathion in the presence of
estrogen in breast cells. Int J Mol Med. 21(2): 261-268 (2008).
G. M. Calaf, D. Roy. Cell adhesion proteins altered by 17beta estradiol and parathion in
breast epithelial cells. Oncology Report, 19(1):165-169 (2008).
G. M. Calaf, D. Roy. Human drug metabolism genes in parathion- and estrogen-treated
breast cells. Int. J. Mol. Med. 20(6):875-881 (2007).
G. M. Calaf , D. Roy. Gene expression signature of parathion-transformed human breast
epithelial cells. Int J Mol Med., 19(5):741-50 (2007).
G. M. Calaf, D. Roy. Gene and protein expressions induced by 17b estradiol and parathion
in cultured breast epithelial cells. Mol. Med.,13(5-6):255-265 (2007).
G. M. Calaf, D. Roy, C. Echiburu-Chau. Simultaneous breast and lung pre-clinical cancer
progression model. Proceedings of NATURE MEDICINE Conference on Emerging
Technologies and Cancer Biology, 4(12), Cambridge, Massachusetts, (2007).
D. Roy, G.M. Calaf, M.P. Hande, T.K. Hei. Allelic imbalance at 11q23-q24 chromosome associated with
estrogen and radiation-induced breast cancer progression. Int. J. Oncology 28(3), 667-74 (2006).
G. M. Calaf, D. Roy, T.K.Hei : Growth factor biomarkers associated with estrogen and radiation-induced
breast cancer progression. Int J Oncology, 28(1), 87-93 (2006).
D. Roy, A. Panda, G.M. Calaf and A. Mitra : Differential gene expression of sulindac-treated human
breast epithelial cells. Int. J. Oncology 27(6), 1727-36 (2005).
G.M. Calaf, D. Roy and T.K. Hei : Immunochemical analysis of protein expression in breast epithelial
cells transformed by estrogens and high linear energy transfer (LET) radiation. Histochem Cell Biol.
Aug 9:1-14 (2005).
G M Calaf, G. Cabello, D. Roy and T.K Hei : Mammary cancer models induced by organophosphorous
pesticides and estrogen of rat and human breast epithelial cells. Proceedings of the 44th
AMERICAN SOCIETY FOR CELL BIOLOGY Conference.Washington D.C., December (2004).
D. Roy, G. Calaf, and T.K. Hei. Role of vitamin D receptor gene in radiation induced neoplastic
transformation of human breast epithelial cell. Steroids 68(7-8), 621-627 (2003).
D. Roy, G. Calaf, and T.K. Hei. Allelic imbalance at 11p15.5-15.4 correlated with c-Ha-ras mutation during radiation-induced neoplastic transformation of human breast epithelial cells. Int. J. Cancer 103(6), 730-737 (2003).
T.K. Hei, Y.L. Zhao, D. Roy, C.Q. Piao, G. Calaf, and E.J. Hall. Molecular alterations in tumorigenic human bronchial and breast epithelial cells induced by high LET radiation. Advances Space Research 27(2), 411-419 (2001).
D. Roy, G. Calaf, and T.K. Hei. Profiling of differentially expressed genes in breast epithelial cells induced by high LET radiation. Molecular Carcinogenesis 31(4), 192-203 (2001).
D. Roy, G. Calaf, and T.K. Hei. Frequent allelic imbalance on chromosome 6 and 17 in human breast epithelial cells induced by high LET radiation. Carcinogenesis 22(10), 1685-1692 (2001).
T.K. Hei, D. Roy, C.Q. Piao, and G. Calaf. Genomic instability in human epithelial cells transformed by high LET radiation. Radiation Research 2, 560-563 (1999).
E. CURRICULUM DEVELOPMENT
1. Development of Anatomy & Physiology (I and II) curriculum for North Shore Jewish Hospital
System employees in collaboration with School of Professional Development at Farmingdale
State College, SUNY, Farmingdale, NY, 2005.
2. Development of Advance Organic Chemistry Program for Biological Science/Nursing/Engineering
students at Hostos-CUNY, 2008.
3. Introduction of Environmental Science Introductory Program for Biology/Engineering students
at Hostos-CCNY-CUNY, 2013.
4. Development of General/Organic Chemistry Laboratory Program for Biology/Chemistry students at
5. Development of Safety Guidelines for Biology/Chemistry/Engineering/Environmental Science at
E: PROFESSIONAL DEVELOPMENT AND REPUTATION
1. Winner of the prestigious William Stewart Travel Award from CUNY Academy, March, 2008.
2. Honorary Invited Member of the CUNY Academy from The Graduate Center of the City
University of New York, March 2008.
3. Invited presentation as an Active Member at the 99th Annual Meeting of the American
Association for Cancer Research, San Diego, California, April 2008.
4.Continuing as a Scientific Research Collaborator for the International FONDECYT Grant; Entitles
“Human Breast Cancer Progression and Antiproliferative Effect by Curcumin”, A joint effort
of Tarapaca University, Arica, Chile, Columbia University, NY and Hostos College of The
City University of New York, NY.
5.Invitation for an oral presentation at 13th World Congress on Advances in Oncology and 11th
International Symposium on Molecular Medicine, Hersonissos, Crete, Greece, October 2008.
6.Invitation to visit and lecture at Institute For Advance Research, University Of Tarapaca, Arica,
Chile, April 2009.
7. Invited member of the Life & Physical Science unit of the CUNY Pathways-Common Core
Curriculum Development Team, 2013-2014.
8. Serving as a Reviewer for the British Journal of Cancer and International Journal of
9. Invited for writing a Review for the peer-review journal of ‘Indian Journal of Experimental
10.Selected as a Core Member of the Global Scientific Task Force tackles linkages between mixtures of commonly encountered chemicals and development of cancer under Halifax Project: Getting to know Cancer, Halifax 2014.
11.Coordinator, Dual Degree Chemical & Environmental/Biomedical Science & Engineering program
with Hostos-CCNY, CUNY.
12.Invited Speaker for Halifax Project: Low Dose Mixed Chemical Cancer Carcinogenesis Theory
Symposium at National Institute of Environmental Health Sciences, NIH, Durham, RTP,NC,
13.Invitation for an oral presentation at 20th World Congress on Advances in Oncology and 18th
International Symposium on Molecular Medicine, Athens, Greece, October 2015.
14.Development of Assessment Tools for Middle State Accrediation for Hostos-CUNY, 2013-2015.
15.Winner of the Prestigious CUNY Chancellor’s Award of Excellence 2018-19, October 2018.
F: GRANT COLLABORATION
1. Working as a Scientific Collaborator in teaching and research for the International FONDECYT
(Chile) Collaborative Project: “Drug panel for resistant cancer cells and genomic instability in breast carcinogenesis”with Tarapaca University, Arica, Chile, 2012-2017. US$500,000 (for 5 years). A joint effort of Tarapaca University, Arica, Chile, Columbia University, NY and Hostos College of CUNY.
New Extension program of FONDECYT: “Signaling pathways related to estrogen and muscarinic receptors by effect of many substances (e.g., glyphosate, parathion, malathion etc.) that induce cancer.” A joint effort of Tarapaca University, Arica, Chile, Columbia University, NY and Hostos College of The City University of New York, NY. 2019 - 2024.
2. Recipient of NIH Title-V COBI Faculty Development of Curriculum Innovation Award Grant
2007 ($3000) & 2010 ($3000).
3. Working as co-investigator of the Department of Education (DOE) – STEM Transfer Accreditation Endowment Award Grant (US $4000,000 for 5 years) with HCC-CCNY-LCC (CUNY), 2011-2016.
4. Advisory Teaching Fellow for project SEED-NSF (STEM Educators Expansion Directive): A Robert Noyce Capacity Building project of NSF, A collaborative effort of Hostos College and Lehman College of the City University of New York, 2012-2015.
5. Selected as an active member for Lehman College Title III Pathways to Student STEM Success
(PTS3) grant for 2018-2020.
G: MEMBERSHIP IN PROFESSIONAL SOCIETIES
1. American Association for Cancer Research (AACR), USA
2. Indian Science Congress Association (ISCA), INDIA
3. Society for Plant Biochemistry & Biotechnology (SPBB), INDIA
4. Society for In Vitro Biology, USA
5. American Association of Advancement of Science (AAAS)
a. International Journal of Cancer.
b. British Journal of Cancer.
c. International Journal of Oncology.
d. Breast Cancer Journal.
e. Journal of Bioscience.
f. Indian Journal of Experimental Biology.
I: RESEARCH & TEACHING COLLABORATORS
Prof. Tom K Hei, Deputy Director, Ctr. For Radiological Res., Columbia University, NY, USA.
Prof. Gloria Calaf, Director, Center for Advance Research, Tarapaca University, Arica, Chile.
Prof. S. Mukhopadhyaa, Neurobiology Program, BBRI, North Carolina Central University,
Durham, NC, USA.
Prof. M. Jana, Neurobiology Program, Rush University Medical Center, Chicago, IL, USA.
Dr. Peter Guida, Head, NASA Biomedical Research Program, NASA Space Radiation Laboratory, Brookhaven National Lab., NY, USA.
Specialized in STEM education with common core approach
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