Zowopsa za Silicon Dioxide Zaumoyo

(Zowopsa Zaumoyo za Silicon Dioxide)

Silicon dioxide ndi mchere wokhala ndi mankhwala a SiO2. Imapezeka makamaka m'chilengedwe mu mawonekedwe a quartz. Umapezekanso m’zamoyo zambiri. M'madera ambiri, silika ndi gawo lalikulu la mchenga. Nkhaniyi ifotokoza za kuopsa kwa thanzi la mcherewu.

Silika ndi mchere

Silicon dioxide ndi mchere wamba womwe umapezeka mumchenga ndi quartz. Ndi imodzi mwazomera zomwe zimapezeka padziko lapansi komanso gawo lalikulu lamitundu yambiri ya miyala. Mcherewu umapangidwanso mopangidwa pogwiritsa ntchito njira zosiyanasiyana. Quartz, pafupifupi 12% ya kutumphuka kwa dziko lapansi, ndi mtundu wotchuka kwambiri wa silicon dioxide.

Silicon dioxide imapezeka m'chilengedwe m'nthaka ya Dziko lapansi. Komabe, itha kupangidwanso m'ma laboratories kapena kumigodi. Amapezekanso mu zomera ndi nyama zina ndi madzi. Silicon dioxide imagwiritsidwa ntchito pazinthu zosiyanasiyana, kuphatikizapo zakudya ndi zakumwa. Itha kugwiritsidwanso ntchito pomanga ndi zamagetsi.

Silicon dioxide ingagwiritsidwenso ntchito muzakudya ndi zodzoladzola. Zimagwiranso ntchito yofunika kwambiri popanga collagen, puloteni mu minofu yolumikizana yomwe imapereka ntchito zolimba, zogwirizana, komanso zosinthika. Ndikofunikiranso kunyamula zakudya zopatsa thanzi kupita ku ma follicles atsitsi. Zimathandizanso kumangirira ndi zinthu zina ndikuzifikitsa pamalo oyenera.

Kutentha kwapakati, quartz ndi SiO2 yolimba kwambiri. Mitundu ya alpha ndi beta ya silicon dioxide imakhala yosakhazikika pakatentha kwambiri ndipo imakhala ndi kachulukidwe kakang'ono, ma indices, ndi refraction. Pakutentha kopitilira 573 degC, silika imasinthika kwambiri kuchoka ku a-quartz kupita ku beta-quartz. Kusintha kwakukulu kwa voliyumu kungayambitse kusweka kwa zinthu ndi kusweka.

Silika imagwiritsidwanso ntchito pazinthu zosiyanasiyana. Zina mwazinthuzi zitha kukhala zosatetezeka. Zitha kukhudza impso ndikuwonjezera chiopsezo cha matenda a autoimmune. Silika ndi otetezeka kwambiri akatengedwa pakamwa. EFSA idawonetsanso nkhawa ndikugwiritsa ntchito silika pazakudya. Ngakhale silicon dioxide ndi yotetezeka kudyedwa, kupumira pafupipafupi kwa fumbi la silicon kumatha kuwononga thanzi ndi chitetezo cha nyama ndi anthu.

Njira yabwino yopezera silicon yokwanira muzakudya zanu ndikudya zakudya zokhala ndi silicon. Kapangidwe kakang'ono ka silicon muzakudya zanu kumawonjezera mphamvu ya thupi lanu kumanga mafupa olimba. Zingathenso kuwonjezera zotsatira za vitamini D, calcium, ndi zakudya zina. Kwa amayi, silicon ingathandize kuchepetsa chiopsezo cha kufooka kwa mafupa ndikusintha kusinthasintha kwa mafupa.

Silika ndi mchere womwe umapezeka mu dothi, miyala, ndi mchenga. Kukoka mcherewu kungayambitse kusamvana mwa anthu ena. Ndikofunikira kugwiritsa ntchito zida zodzitetezera nthawi zonse pogwira silika kuti musawonekere. Funsani dokotala ngati mwapezeka. Ndikofunika kupewa kuwonekera kwa nthawi yayitali. Zingayambitse vuto la kupuma ndipo zingayambitse imfa.

Silika, mchere wopangidwa ndi silicon, umagwiritsidwa ntchito popanga silicon dioxide. Silicon dioxide imagwiritsidwa ntchito ngati wokonzanso komanso ngati wothandizira kupha tizilombo. Kukhudzana ndi mcherewu kungayambitse matenda a m'mapapo mwa ogwira ntchito.

Ndi chakudya chofala chowonjezera

Silicon dioxide, mankhwala omwe amapezeka mwachilengedwe m'chilengedwe, ndi anti-caking pophika muzakudya. Zimathandiza kuti chinyontho chisalowe muzakudya ndikuwonjezera moyo wawo wa alumali. Mankhwalawa apezeka kuti ndi otetezeka kuti agwiritsidwe ntchito ndi anthu, koma ndi owopsa kwa ogwira ntchito m'mafakitale ena.

Silicon dioxide, mankhwala omwe amapangidwa ndi silicon ndi mpweya, amatchedwa "silicon dioxide." Zimapezeka mwachilengedwe m'nthaka ya Dziko lapansi ndi thupi la munthu, kuphatikizapo cartilage, minofu, ndi mitsempha. Imapezekanso m'madzi. Pazifukwa izi, amaonedwa kuti ndi abwino kudyedwa ngati gawo lazakudya za anthu wamba. Silicon dioxide imapezeka mwachilengedwe m'zakudya zambiri, kuphatikizapo masamba obiriwira, beets, tsabola, tirigu, mtedza, ndi mkaka.

Silicon dioxide ndi chinthu chopangidwa mwachilengedwe chopangidwa ndi okosijeni ndi silicon. Ndi chinthu chachiwiri chochulukirachulukira padziko lapansi ndipo ndi chotetezeka kumeza pang'ono kwambiri. Amagwiritsidwa ntchito m'mafakitale ambiri, kuphatikiza zakudya ndi mapulasitiki. Silicon dioxide imakhalanso ndi ntchito zosiyanasiyana zamagetsi ndi zomangamanga.

Food and Drug Administration (FDA) yavomereza silicon dioxide ngati chowonjezera chakudya. Malamulo a FDA amalola kuti iwonjezedwe ku chakudya, koma osapitirira awiri peresenti ya kulemera kwa chakudya. Komabe, ofufuza ena apempha kuti afufuzenso zambiri zokhudzana ndi thanzi la chinthucho popeza silicon dioxide nanoparticles ndi yaying'ono kwambiri moti imatha kulowa m'thupi.

Silicon dioxide ndi chinthu chopezeka mwachilengedwe padziko lapansi. Amapezeka muzomera ndi nyama ndipo amafufuza kuchuluka kwa zakudya monga oats, mbewu, ndi nyemba. Silicon dioxide itha kugwiritsidwanso ntchito muzoumba zamafakitale komanso kupanga magalasi. Komabe, ntchito yake yodziwika bwino imakhala ngati anti-caking additive. Zakudya zokhala ndi shuga zimangokhalira kunyowa.

European Food Safety Authority yatsimikiza kuti silicon dioxide imakhala pachiwopsezo chochepa kwambiri kwa anthu. Maphunziro a zinyama sanawonetse kugwirizana pakati pa kugwiritsidwa ntchito kwa silicon dioxide ndi khansa kapena kuwonongeka kwa ziwalo. Kafukufuku wina sanawonetse zotsatira pa kulemera kwa thupi kapena kulemera kwa kubadwa, zomwe zimasonyeza kuti zowonjezerazo ndizotetezeka kuti zigwiritsidwe ntchito pazakudya.

Ngakhale silicon sizowopsa kwa anthu, kuchepa kwa silika kungayambitse matenda a nyamakazi ndi nyamakazi ina. Kuperewera kwa silicon kumatha kuwononganso kapangidwe ka fupa komanso kachulukidwe ka mafupa. Kafukufuku wasonyezanso kuti silicon ikhoza kukhala ndi phindu pakupanga mafupa ndi ntchito. Maphunzirowa sali omaliza, ndipo maphunziro owonjezera ayenera kutsimikizira zotsatira zake.

A European Food Safety Authority sangathe kupereka kuwala kobiriwira kwa silicon dioxide ngati chowonjezera cha chakudya. Komabe, idalimbikitsa European Commission kuti isinthe mawonekedwe a silicon dioxide. Silicon dioxide imagwiritsidwa ntchito kwambiri muzakudya ngati anti-caking agent ndipo imathandizira kuyamwa chinyezi. Imawonetsedwa pazakudya ngati E551 ndipo ingagwiritsidwe ntchito m'magulu osiyanasiyana azakudya.

Zitha kuwononga DNA ndi ma cell

Silicon dioxide nanoparticles akuchulukirachulukira muzakudya ndi zinthu za ogula. Ofufuza akuwunika zotsatira za zinthuzi pamaselo ndipo akuda nkhawa ndi zomwe zingawononge thanzi la munthu. M'mayesero a labotale, SiO2 nanoparticles idachepetsa mphamvu ya cell m'njira yokhazikika komanso yodalira kukula. Amawonjezeranso kupsinjika kwa okosijeni ndi cytotoxicity. Kuphatikiza apo, ma cell a HaCaT adapezeka kuti akupita ku apoptosis.

Ofufuza adapeza kuti SiO2 nanoparticles imatha kuwononga ma lymphocyte mu kafukufuku wina. Iwo adapeza kuti tinthu tating'onoting'ono ta DNA, ndipo kuwonongeka kwake kumadalira mlingo. Izi zikusonyeza kuti SiO2 nanoparticles imatha kuwononga DNA ndi ma cell. Kumvetsetsa kapangidwe ka silicon dioxide ndikofunikira kuti timvetsetse bwino zomwe zimachitika pama cell amunthu.

Kuwonetsa kutsika kwa tinthu ting'onoting'ono ta silika kumayambitsa kuwonongeka kwa DNA pakangotha ​​mphindi zisanu mpaka 10 zokha. Olembawo adanena kuti kuwonongeka kunayambika chifukwa cha kuwonjezeka kwa gH2AX ndi pCHK2, mapuloteni okhudzana ndi chizindikiro cha kukonza DNA. Adawonanso kuti kuwonongekaku sikunakhale pakati pa milingo yokwezeka ya ROS koma m'malo mwake ndi depolarization yodalira NLRP3 yodalira mitochondrial.

Zotsatirazi zidawululanso kuti ma nanoparticles angayambitse genotoxicity yosalunjika. Tinthu tating'onoting'onoting'onoting'onoting'onoting'onoting'ono tating'onoting'ono ta ma cell ndikuyambitsa kulowetsedwa kwa okosijeni, kuyankha kotupa, komanso kuyankha molakwika. Zina mwa njira zowonongeka za zotsatira zoipa za nanoparticles zafotokozedwa mu Chithunzi 3. Zotsatirazi zikusonyeza kuti nanoparticles akhoza kukhala ndi zotsatira zamtsogolo pa thanzi laumunthu.

Ngakhale kuti pali nkhawa za silicon dioxide, palibe maphunziro omwe apangidwa kuti asonyeze kuti silika ingayambitse khansa. World Health Organisation, US Food and Drug Administration, ndi European Food Safety Authority onse amazindikira chitetezo cha silika. Ngakhale kuti poizoni wa silika sakudziwikabe, amagwiritsidwa ntchito kwambiri popanga mankhwala ndi zakudya.

Komabe, ma nanoparticles angayambitse genotoxicity yosayembekezereka. Tinthu tating'onoting'ono titha kuyambitsanso kuwonongeka kwa okosijeni ku DNA ndi ma cell. Amalepheretsanso kukonza kwa DNA ndikupangitsa kumangidwa kwa cell cycle ndi apoptosis. Dongosolo lokonzanso DNA ndilofunika kwambiri kuti chibadwa chikhale chokhazikika cha maselo aumunthu, ndipo kulephera kukonzanso DNA kungayambitse kusintha.

Ngakhale ma silica NM akugwiritsidwa ntchito kwambiri, ndi ochepa kwambiri omwe amadziwika za kawopsedwe kawo. Ngakhale kuti kafukufuku wina wasonyeza kusintha kwa ziwalo zofunika kwambiri, palibe zambiri zokhudza kuopsa kwa khalidwe. Kafukufukuyu anali ndi cholinga chozindikira kuopsa kwa 10 nm SiO2 NPs.

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(Zowopsa Zaumoyo za Silicon Dioxide)