Enwere ọtụtụ ụdị nri, eriri ọkọnọ ogologo na ihe isi ike na nlekọta nchekwa. Nkà na ụzụ nchọpụta bụ ụzọ dị mkpa iji hụ na nchekwa nri. Agbanyeghị, teknụzụ nchọpụta dị ugbu a na-eche ihe ịma aka ihu na nchọpụta nchekwa nri, dị ka nkọwapụta adịghị mma nke isi ihe, ogologo oge tupu ọgwụgwọ, arụmọrụ ịba ụba dị ala, yana obere nhọrọ nke isi ihe nchọpụta dị ka isi iyi spectrometry ion, nke na-ebute nyocha ozugbo nke ihe nlele nri. N'ịnọgide na-eche ihe ịma aka ihu, ndị otu ọkachamara anyị nke Zhang Feng na-edu enwetala ọtụtụ ọganihu teknụzụ na ntụzịaka nyocha nke ihe ndị bụ isi, ihe ndị bụ isi, na ụzọ ọhụrụ maka nnwale nchekwa nri.
N'ihe banyere isi ihe nyocha na mmepe, otu ahụ enyochala kpọmkwem adsorption usoro nke tupu ọgwụgwọ ihe na-emerụ bekee na nri, na mepụtara a usoro nke ukwuu kpọmkwem adsorption micro nano Ọdịdị tupu ọgwụgwọ ihe. Nchọpụta ihe ezubere iche na ọkwa trace/ultra trace chọrọ ọgwụgwọ tupu oge eruo maka ịba ụba na ime ka ọ dị ọcha, mana ihe ndị dị adị nwere oke nkwalite yana enweghị nkọwa zuru oke, na-ebute nghọta nchọta na-emezughị ihe achọrọ. Malite site na molekụla Ọdịdị, ndị otu nyochaa kpọmkwem adsorption usoro nke tupu ọgwụgwọ ihe na-emerụ bekee na nri, ẹkenam ọtọ dị iche iche dị ka urea, na kwadebere a usoro nke covalent organic framework ihe na chemical njikọ iwu ( Fe3O4@ETTA-PPDI Fe3O4@TAPB-BTT na Fe3O4@TAPM-na akụkụ nke magnetik. A na-eji maka ịba ụba na sachapụ ihe ndị na-emerụ ahụ dị ka aflatoxins, fluoroquinolone veterinary drugs, na phenylurea herbicides na nri, a na-ebelata oge ọgwụgwọ tupu oge site na awa ole na ole gaa na nkeji ole na ole. Tụnyere na mba ọkọlọtọ ụzọ, nchọpụta uche na-amụba ihe karịrị otu narị ugboro, na-agbasa site na teknuzu isi ike nke ogbenye ihe specificity na-eduga cumbersome tupu ọgwụgwọ usoro na ala nchọpụta uche, nke siri ike izute nchọpụta chọrọ.
Na ntụzịaka nyocha na mmepe nke ihe ndị bụ isi, ndị otu ahụ ga-ekewapụta ihe ọhụrụ wee jikọta ha na isi mmalite ion spectrometry iji mepụta ihe dị iche iche ion spectrometry nhọrọ nke ukwuu yana ụzọ nchọpụta ngwa ngwa spectrometry mass spectrometry. Ka ọ dị ugbu a, ibe nyocha ọla edo colloidal a na-ejikarị maka nyocha ngwa ngwa na saịtị dị obere ma nwee ike ibugharị, mana nha nha na ọnụọgụ dị ntakịrị. Mass spectrometry nwere uru nke izi ezi dị elu, mana akụrụngwa buru ibu ma na-achọ pretreatment sample ogologo na usoro nkewa chromatographic, na-eme ka o sie ike iji maka nchọpụta ngwa ngwa na saịtị. Otu a agbajila site na ọkpọkọ nke isi mmalite ion ion dị adị na-enwe naanị ọrụ ionization, wee webata usoro teknụzụ mgbanwe ihe nkewa n'ime isi mmalite spectrometry ion, na-eme ka isi mmalite ion nwee ọrụ nkewa. Ọ nwere ike sachaa matrices sample dị mgbagwoju anya dị ka nri ka ọ na-eme ka ihe ndị e lekwasịrị anya, na-ewepụ nkewa chromatographic dị egwu tupu nyocha spectrometry nri nri, yana imepụta usoro nkewa ionization jikọtara isi mmalite spectrometry ion ozugbo. Ọ bụrụ na ejikọtara ihe molekụla emepụtara na mkpụrụ ndụ ihe na-eduzi iji mepụta isi iyi spectrometry ọhụrụ (dị ka egosiri na eserese 2), a na-ewepụta usoro nyocha ngwa ngwa n'ezie maka nchọpụta nke esters carbamate na nri, yana ọsọ nchọta nke ≤ 40 sekọnd na ọnụọgụ ọnụọgụ ruru ihe ruru 0 . e belatara g/kg site na nkeji iri ruo iri nke sekọnd, yana emeziwanye nghọta site n'ihe fọrọ nke nta ka ọ bụrụ ugboro 20, na-edozi nsogbu teknụzụ nke ezughị oke na teknụzụ nchọpụta nchekwa nri na saịtị.
N'afọ 2023, ndị otu ahụ nwetara ọtụtụ ọganiihu na teknụzụ nnwale nchekwa nri ọhụrụ, na-emepụta ihe nchacha ọhụrụ 8 na ịba ụba yana ihe isi mmalite 3 mass spectrometry ion; Tinye akwụkwọ maka patent 15 mepụtara; 14 ikike mmepụta ihe ikike; Enwetara 2 software nwebiisinka; Mepụtara ụkpụrụ nchekwa nri 9 wee bipụta akụkọ 21 na akwụkwọ akụkọ ụlọ na mba ofesi, gụnyere akụkọ 8 SCI Mpaghara 1 TOP.