khairul osman, qi wei kong, atikah mohd nasir, nur mahiza md isa, noor hazfalinda hamzah.  (2025).  forensic analysis of cryptocurrencies: a comprehensive overview.  - asia-pacific journal of information technology and multimedia.  586 - 595. 

khairul osman, naadiah ahmad mazlani, gina francesca gabriel, noor hazfalinda hamzah, rogayah abu hassan, dzulkiflee ismail, wan nur syuhaila mat desa.  (2025).  tropical weathering effects on neat gasoline: an analytical study of volatile organic profiles.  - chemosensors.  1 - 15. 

syed muhamad asyraf syed taha, farah hanan fathihah jaffar, atikah hairulazam, sivasatyan vijay, norazurashima jamaludin, aini farzana zulkifli, mohd farisyam mat ros, khairul osman, zahriladha zakaria, mohd amyrul azuan mohd bahar and siti fatimah ibrahim.  (2025).  prolonged 3.5 ghz and 24 ghz rf-emf exposure alters testicular immune balance, apoptotic gene expression, and sperm function in rats.  - biomedicines.  1 - 18. 

farah hanan fathihah jaffar, nurul atiqah azhar, sofwatul mokhtarah maluin, khairul osman, siti fatimah ibrahim .  (2025).  edible bird nest supplementation enhances male reproductive function: current insights and future horizons.  - foods.  1 - 21. 

khairul osman, muhammad rafeeq azahar, atikah mohd nasir, nur mahiza md isa, noor hazfalinda hamzah.  (2025).  gender discrimination using direct photography technique in the malaysian chinese population (klang valley): a digital approach.  - sultan qaboos university medical journal.  1034 - 1075. 

norazurashima jamaludin , siti fatimah ibrahim , farah hanan fathihah jaffar , aini farzana zulkefli and khairul osman.  (2025).  the influence of 2.45 ghz wi-fi exposure duration on sperm quality and testicular histopathology: an exploration of peroxidative injury.  - antioxidants.  1 - 14. 

sivasatyan vijay, siti fatimah ibrahim, khairul osman, aini farzana zulkefli, mohd farisyam mat ros, norazurashima jamaludin, syed muhamad asyraf syed taha, atikah hairulazam, farah hanan fathihah jaffar.  (2025).  histomorphometry and sperm quality in male rats exposed to 2.45 ghz wi-fi.  - reproduction.  1 - 12. 

nurul atiqah azhar, khairul osman, farah hanan fathihah jaffar, chua kien hui, farisyam mat ros, aini farzana zulkefli, siti fatimah ibrahim.  (2024).  effect of edible bird nest supplementation against busulfan-induced oligospermia in adult rats.  - sains malaysiana.  1219-1234. 

farah hanan fathihah jaffar, khairul osman, chua kien hui, aini farzana zulkefli, siti fatimah ibrahim.  (2024).  effect of wi-fi exposure and edible bird nest supplementation on the testicular oxidative stress status and sperm quality in male sprague-dawley rat pups.  - international journal of radiation research.  329 - 338. 

maluin, sofwatul mokhtarah; jaffar, farah hanan fathihah; osman, khairul; zulkefli, aini farzana; mat ros, mohd farisyam; ibrahim, siti fatimah.  (2024).  exploring edible bird nest's potential in mitigating wi-fi's impact on male reproductive health.  - reproductive medicine and biology.  1 - 13. 

nur hilwani, ibrahim siti fatimah, mokhtar mohd helmy, yahaya azyani, zulkefli aini farzana, ankasha sheril june, osman khairul.  (2023).  modulation of vulvovaginal atrophy (vva) by gelam honey in bilateral oophorectomized rats.  - frontiers in endocrinology.  1-13. 

mohd najib sam, glenna tan jie yee, noor hazfalinda hamzah, mohd zulkarnain embi, ahmad zamri md rejab, gina francesca gabriel, khairul osman.  (2023).  effects of shooting angles and ricochet angles on bullet weight upon impact on three types of woods (balau, resak, and seraya).  - pertanika journal of science & technology.  1475-1491. 

jaffar farah hanan fathihah, osman khairul, hui chua kien, zulkefli aini farzana, ibrahim siti fatimah.  (2022).  long term wi-fi exposure from pre-pubertal to adult age on the spermatogonia proliferation and protective effects of edible bird's nest supplementation.  - frontiers in physiology.  199-209. 

noor hazfalinda hamzah, mohd faizal abdul rahman, gina francesca gabriel & khairul osman.  (2022).  detection vapour of nitrate fertiliser based explosives on transportation of nitrates during shipping using diphenylamine-calorimeter optic device.  - sains malaysiana.  2955-2966. 

nur hilwani ismail, siti fatimah ibrahim, farah hanan fathihah jaffar, mohd helmy mokhtar, kok yong chin and khairul osman.  (2021).  augmentation of the female reproductive system using honey: a mini systematic review.  - molecules.  1-17. 

farah hanan fathihah jaffar, khairul osman, chua kien hui, aini farzana zulkefli and siti fatimah ibrahim.  (2021).  edible bird's nest supplementation improves male reproductive parameters of sprague dawley rat.  - frontiers in pharmacology.  1-6. 

nur hilwani ismail, khairul osman, aini farzana zulkefli, mohd helmy mokhtar and siti fatimah ibrahim.  (2021).  the physicochemical characteristics of gelam honey and its outcome on the female reproductive tissue of sprague-dawley rats : a preliminary study.  - molecules.  1-25. 

maluin sofwatul mokhtarah, osman khairul, jaffar farah hanan fathihah, ibrahim siti fatimah.  (2021).  effect of radiation emitted by wireless devices on male reproductive hormones: a systematic review.  - frontiers in physiology.  1-8. 

dheephikha kumaraguru, wan nur syuhaila mat desa, khairul osman, noor hazfalinda hamzah, gina francesca gabriel.  (2021).  volatile chemical profiling of unburnt and burnt ron 95 petrol from three oil stations: a preliminary study.  - malaysian journal of analytical sciences (mjas).  776-790. 

noor hazfalinda hamzah, gina francesca gabriel, nurul syuhada haron, khairul osman, nur mahiza md isa.  (2021).  digital approach for gender discrimination from lip prints analysis in malaysian chinese population (klang valley).  - international journal of medical toxicology & legal medicine.  229-233. 

farah hanan fathihah jaffar, khairul osman, chua kien hui, aini farzana zulkefli and siti fatimah ibrahim.  (2021).  edible bird's nest supplementation improves male reproductive parameters of sprague dawley rats.  - frontiers in pharmacology.  21-26. 

gina francesca gabriel, jennifer shalini jheyeaaseelan, dheephikha kumaraguru, khairul osman and noor hazfalinda hamzah.  (2019).  pyrolytic key indicators of burnt porcine tissue in the presence of petrol under outdoor conditions.  - malaysian journal of analytical science.  274-289. 

farah dayana rosli, noor hashida hashim, yusmin mohd yusuf, khairul osman, siti fatimah ibrahim, nurul kabir.  (2019).  thymoquinone enhances sperm dna integrity in nicotine-induced infertile male rats.  - tropical journal of pharmaceutical research.  1219-1225. 

farah hanan fathihah jaffar, khairul osman, nur hilwani ismail, kok-yong chin and siti fatimah ibrahim.  (2019).  adverse effects of wi-fi radiation on male reproductive system: a systematic review.  - tohoku journal of experimental medicine.  169-179. 

normaizatul afizah ismail, ravinder kaur santosh singh, athirah ayob, khairul osman, mohamed swarhib shafie, faridah mohd nor.  (2019).  prediction of stature from fragmentary bones by radiographic method: forensic implication.  - international medical journal.  409-413. 

farah dayana rosli, noor hashida hashim, khairul osman, siti fatimah ibrahim, nurul kabir..  (2019).  ameliorative effects of thymoquinone on sperm parameters and testosterone level of nicotine-treated sprague dawley rats.  - brazilian archives of biology and technology.  1-11. 

normaizatul afizah ismail, norakmal hisyam abd khupur, khairul osman, ab halim mansar, mohamed swarhib shafie, faridah mohd nor..  (2018).  stature estimation in malaysian population from radiographic measurements of upper limbs..  - egyptian journal of forensic sciences.  1-5. 

syarifah faezah syed mohamad, siti fatimah ibrahim, nur hilwan ismail, khairul osman, farah hanan fathihah jaafar, chew fang nang & farida zuraina mohd yusof.  (2018).  quantification of hsp70 gene expression and determination of capacitation status of magnetically separated cryopreserved bovine spermatozoa at different thawing temperature and time.  - sains malaysiana.  . 

lina s., eliza h., hashida n. h., ibrahim s. f., osman k..  (2018).  androgen receptor and ultrastructural features of nigella sativa oil and nicotine-treated male rat reproductive glands.  - sains malaysiana.  . 

gina francesca gabriel, azima ismail, atiah ayuni, khairul osman, noor hazfalinda hamzah.  (2017).  the analysis of thermal decomposition products generated from porcine tissues exposed to outdoor burning conditions.  - malaysian journal of analytical sciences.  585-596. 

lee, l. c., liong, c-y., khairul, o., jemain, a. a..  (2017).  effects of baseline correction algorithms on forensic classification of paper based on atr-ftir spectrum and principal component analysis (pca).  - pertanika science and technology.  767-774. 

farah hanan fathihah jaffar, khairul osman, jaya kumar & siti fatimah ibrahim.  (2017).  effect of alcohol consumption on the sperm dna integrity : a systematic review.  - journal of agricultural science.  136-144. 

zulaiha a. rahman, siti fatimah ibrahim, nurul atikah osman, farah hanan fathihah jaffar & khairul osman.  (2017).  effect of energy substrate dynamics on mitochondrial activity and oxidative stress levels of in vitro maturing bovine oocytes.  - journal of agricultural science.  14-23. 

nur hilwani ismail, khairul osman, farida zuraina mohd yusof, syarifah faezah syed mohamad, farah hanan fathihah jaffar & siti fatimah ibrahim.  (2017).  improvement of post-thaw sperm kinematics and dna integrity of cross-bred bovine sperm by incorporating dgc as selection method prior to cryopreservation.  - journal of agricultural science.  24-31. 

khairul osman, noraina mohd bakri, farah hanan fathihah jaffar, nurul atikah osman & siti fatimah ibrahim.  (2017).  the effect of density gradient centrifugation and magnetic-activated cell sorting with the combination of both on bovine spermatozoa kinematics, viability and acrosome status.  - journal of agricultural science.  73-78. 

noraina mohd bakri, siti fatimah ibrahim, nurul atikah osman, nurhaslina hasan, farah hanan fathihah jaffar, zulaiha abdul rahman, khairul osman.  (2016).  embryo apoptosis identification: oocyte grade or cleavage stage?.  - saudi journal of biological sciences.  50-55. 

loong chuen lee, seow lay ying, wan nur syazwani wan mohamad fuad, ab aziz ishak, khairul osman.  (2016).  fast and simple forensic red pen ink analysis using ultra-performance liquid chromatography (uplc).  - malaysian journal of analytical sciences,.  224-230. 

fayez a almabhouh, khairul osman, siti fatimah ibrahim, sergey gupalo, justin gnanou, effendi ibrahim, harbindar jeet singh.  (2016).  melatonin ameliorates the adverse effects of leptin on sperm.  - asian journal of andrology.  1-8. 

norhamizan hashim, khairul osman, siti fatimah ibrahim, rosliah harun & rafeah pakri mohamed.  (2016).  kesan psikostres terhadap kerosakan dna dan ketakormalan residu sitoplasma sperma manusia.  - sains malaysiana.  1931-1938. 

loong chuen lee, karldiv tarvin singh shandu, nor syahirah mohamad razi, ab aziz ishak, khairul osman.  (2015).  forensic analysis of blue ballpoint pen inks using ultraviolet-visible spectrometer and ultra-performance liquid chromatograph.  - malaysian journal of analytical sciences.  397 - 401. 

loong chuen lee, intan shafiqa md yunus, wan nur syazwani wan mohamad fuad, ab aziz ishak, khairul osman.  (2015).  statistical discrimination of black ballpoint pen inks using ultra-performance liquid chromatography with principal component analysis.  - journal of analytical chemistry.  374-377. 

ismail m.i., osman k., ibrahim s.f., jaafar f.h.f., ghani n.a.a., zainalabidin f.a., othman a.m..  (2014).  development of single tubing-type canister for cryo-storage of bull semen and their effect on sperm motility and viability.  - brazilian archives of biology and technology.  194 - 199. 

nur amirah sulaiman, khairul osman, noor hazfalinda hamzah, sri pawita albakri amir hamzah.  (2014).  blunt force trauma to skull with various instruments.  - the malaysian journal of pathology.  33 - 39. 

s.s.m. faezah, f.m.y zuraina, j.h.f. farah, o.khairul, n.i. hilwani, m.i. iswadi, c.n. fang, i.zawawi, o.m. abas and s.i. fatimah.  (2014).  the effects of magnetic separation on cryopreserved bovine spermatozoa motility, viability and cryo-capacitation status.  - zygote.  22(3):378-386. 

chee hauteo, sri pawita amir hamzah, khairul osman, atiah ayunni abdul ghani and noor hazfalinda hamzah.  (2013).  post mortem changes in relation to different types of clothing.  - the malaysian journal of pathology.  35(1):77-85. 

a.a. sharifa, j. jamaludin, l.s. kiong, l.a. chia & k. osman.  (2012).  anti-urolithiatic terpenoid compound from plantago major linn. (ekor anjing).  - sains malaysiana.  41(1):33-39. 

c. f. nang, k. osman, s. b. budin, m. i. ismail, f. h. f. jaffar, s. f. s. mohamad & s. f. ibrahim.  (2012).  bovine serum albumin: survival and osmolarity effect in bovine spermatozoa stored above freezing point.  - andrologia.  44(S1):447-453. 

siti fatimah ibrahim, farah hanan fathihah jaffar, khairul osman, syarifah faezah syed mohamed, chew fang nang, nur hilwani ismail, and mohd iswadi ismail.  (2011).  bull spermatozoa motility : optimization of coenzyme q10 and alpha-lipoic acid concentration.  - the iioab journal.  2(5):8-13. 

fawwaz s. al-joudi, fahme a. k. kaid, ismarulyusda ishak, norhazilah mohamed, kairol osman, iskandar zulkarnain alias.  (2011).  expression of human mammaglobin and clinicopathologic correlations in breast cancer: the findings in malaysia.  - indian journal of pathology and microbiology.  54(2):284-289. 

fatimah, is; iswadi, im; khairul, o; nurhazilah, m; fadzilah, ms; padzil, arm; srijit, d; mazni, oa.  (2010).  a preliminary study of reactive oxygen species activity within motile boer buck sperm using confocal laser scanning microscope (clsm).  - clinica terapeutica.  161(2):125-128. 

laila suryani elias, eng may lin, ang wee chin, abd aziz tajuddin, shantini a.arasaratnam, suraya aziz, khairul osman & kanaga kumari chellian.  (2010).  pengoptimuman parameter dedahan dalam mamografi digital medan penuh menggunakan rajah merit.  - sains malaysiana.  39(2):299-303. 

zahara abdul manaf, c.c lee, siti fatimah ibrahim, poh bee koon, khairul osman, srijit das, j. mohammad.  (2010).  plasma vitamin c and tocotrienols changes in response to dietary supplementation among young male adults.  - clinica terapeutica.  161(2):121-124. 

rumiza, a.r., khairul, o., zuha, rm., heo, c.c..  (2010).  an observation on the decomposition process of gasoline-ingested monkey carcasses in a secondary forest in malaysia.  - tropical biomedicine.  27(3):373-383. 

siti balkis budin, faizah othman, s.r.louis, m.abu bakar, m.radzi, k.osman, s.das, j.mohamed.  (2009).  effect of alpha lipoic acid on oxidative stress and vascular wall of diabetic rats.  - romanian journal of morphology and embryology.  23-30. 

zuha, rm; kurahashi, h; chin, hc; osman, k; rashid, ra; abu hassan, r; abdullah, sr; salleh, afm; marwi, ma; omar, b.  (2009).  myospila pudica pudica (stein, 1915) (diptera: muscidae) in peninsular malaysia and its ocurrence on a monkey carrion.  - tropical biomedicine.  26(2):216-218. 

ismarulyusda ishak, jamaludin mohamed, khairul osman, zaleha md isa, zakiah ismail, mohd fairulniza mohd noor & osman ali.  (2009).  status selenium serum populasi di daerah hulu langat, selangor, malaysia.  - sains malaysiana.  38(4):473-481.