ooi theng choon, azizan ahmad, nor fadilah rajab, razinah sharif.  (2023).  the effects of 12 weeks colostrum milk supplementation on the expression levels of pro-inflammatory mediators and metabolic changes among older adults: findings from the biomarkers and untargeted metabolomic analysis.  - nutrients.  1-15. 

theng choon ooi, nurul ezza, ee ling siew, razinah sharif, anas ahmad jamhari, and nor fadilah rajab.  (2023).  mammalian lung cell cytotoxicity and genotoxicity evaluation of organic and inorganic pm1 and pm01 of urban air at ukm, malaysia.  - malaysian journal of medicine and health sciences.  45-51. 

ee ling siew, maizaty mansor, theng choon ooi, razinah sharif, anas ahmad jamhari, nor fadilah rajab.  (2023).  in vitro mutagenicity evaluation of pm1 and pm0 1 air particulates in the urban area of malaysia.  - malaysian journal of medicine and health sciences.  36-44. 

ee ling siew lishantini pearanpan zhafri zamkhuri fariza juliana nordin theng choon ooi kok meng chan aisyah salihah kamarozaman norizan ahmat and nor fadilah rajab.  (2023).  genoprotective potential of macaranga species phytochemical compounds on ht29 human colorectal adenocarcinoma cell line.  - genes and environment.  1-8. 

weiwei tang, hanyuan liu, xiao li, theng choon ooi, nor fadilah rajab, hongyong cao, razinah sharif.  (2022).  efficacy of zinc carnosine in the treatment of colorectal cancer and its potential in combination with immunotherapy in vivo.  - aging.  8688-8699. 

weiwei tang, hanyuan liu, theng choon ooi, nor fadilah rajab, hongyong cao razinah sharif.  (2022).  zinc carnosine: frontiers advances of supplement for cancer therapy.  - biomedicine & pharmacotherapy.  1-8. 

theng choon ooi, devinder kaur ajit singh, suzana shahar, nor fadilah rajab razinah sharif.  (2022).  reply to the comments on "higher levels of lead and aluminium are associated with increased risk of falls among community-dwelling older adults: an 18-month follow-up study".  - geriatrics and gerontology international.  183-185. 

theng choon ooi, devinder kaur ajit singh, suzana shahar, razinah sharif, nurul fatin malek rivan, asheila meramat and nor fadilah rajab.  (2022).  higher lead and lower calcium levels are associated with increased risk of mortality in malaysian older population: findings from the lrgs-tua longitudinal study.  - international journal of environmental research and public health.  1-12. 

t.c. ooi, a. meramat, n.f. rajab, s. shahar, r. sharif.  (2022).  antioxidant potential, dna damage, inflammation, glycemic control and lipid metabolism alteration: a mediation analysis of islamic sunnah intermittent fasting on cognitive function among older adults.  - journal of nutrition, health and ageing.  272-281. 

theng choon ooi, malisanurhidayu yaacob, nor fadilah rajab, suzana shahar, razinah sharif.  (2021).  the stingless bee honey protects against hydrogen peroxide-induced oxidative damage and lipopolysaccharide-induced inflammation in vitro.  - saudi journal of biological sciences.  2987-2994. 

theng choon ooi, devinder kaur ajit singh, suzana shahar, nor fadilah rajab, divya vanoh, razinah sharif, maw pin tan.  (2021).  incidence and multidimensional predictors of occasional and recurrent falls among malaysian community-dwelling older persons.  - bmc geriatric.  1-10. 

theng choon ooi, wan syafira ishak, razinah sharif, suzana shahar, nor fadilah rajab, devinder kaur ajit singh, siti zamratol-mai sarah mukari.  (2021).  multidimensional risk factors of age-related hearing loss among malaysian community-dwelling older adults.  - clinical interventions in aging.  2033-2046. 

theng choon ooi, farah wahida ibrahim, shakirah ahmad, kok meng chan, lek mun leong, nihayah mohammad, ee ling siew and nor fadilah rajab.  (2021).  antimutagenic, cytoprotective and antioxidant properties of ficus deltoidea aqueous extract in vitro.  - molecules.  3287-3298. 

theng choon ooi,devinder kaur ajit singh,suzana shahar,nor fadilah rajab,razinah sharif.  (2021).  higher levels of lead and aluminium are associated with increased risk of falls among community-dwelling older adults: an 18-month follow-up study.  - geriatrics gerontology international.  1026-1032. 

theng choon ooi, arimi fitri mat ludin, seng cheong loke, maria antoinette fiatarone singh, teck wee wong, nathan vytialingam, muhammad mikhail joseph anthony abdullah, ooi chuan ng, norhaniza bahar, norliza zainudin and leong chen lew.  (2021).  a 16-week home-based progressive resistance tube training among older adults with type-2 diabetes mellitus: effect on glycemic control.  - gerontology and geriatric medicine.  1-10. 

theng choon ooi, kok meng chan, razinah sharif.  (2020).  protective effects of zinc l-carnosine against hydrogen peroxide-induced dna damage and micronucleus formation in ccd-18co human colon fibroblast cells.  - free radical research.  330-340. 

ooi tc, chan km, sharif r..  (2020).  zinc l-carnosine protects ccd-18co cells from l-buthionine sulfoximine-induced oxidative stress via the induction of metallothionein and superoxide dismutase 1 expression.  - biological trace element research.  464-471. 

theng choon ooi, asheila meramat, nor fadilah rajab, suzana shahar, intan safinar ismail, amalina ahmad azam and razinah sharif.  (2020).  intermittent fasting enhanced the cognitive function in older adults with mild cognitive impairment by inducing biochemical and metabolic changes: a 3-year progressive study.  - nutrients.  1-20. 

theng choon ooi, munirah ahmad munawar, nur hasnieza mohd rosli, siti nur aqilah abdul malek, hanisah rosli, farah wahida ibrahim, norazrina azmi, hasnah haron, razinah sharif, suzana shahar and nor fadilah rajab.  (2020).  neuroprotection of tropical fruit juice mixture via the reduction of inos expression and crh level in p amyloidinduced rats model of alzheimers disease.  - evidence based complementary and alternative medicine.  1-11.