{"id":27081,"date":"2023-03-09T13:31:57","date_gmt":"2023-03-09T16:31:57","guid":{"rendered":"https:\/\/mindthegraph.com\/blog\/polydactyly-copy\/"},"modified":"2023-03-16T13:42:56","modified_gmt":"2023-03-16T16:42:56","slug":"nanoscience","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/lv\/nanozinatne\/","title":{"rendered":"No nanozin\u0101tnes uz nanotehnolo\u0123iju: Ietekme un at\u0161\u0137ir\u012bbas"},"content":{"rendered":"

Nanozin\u0101tne un nanotehnolo\u0123ija ir divas savstarp\u0113ji saist\u012btas jomas, kur\u0101s p\u0113ta materi\u0101lu unik\u0101l\u0101s \u012bpa\u0161\u012bbas nanom\u0113rog\u0101. Materi\u0101liem \u0161aj\u0101 m\u0113rog\u0101 piem\u012bt \u012bpa\u0161\u012bbas un uzved\u012bba, kas at\u0161\u0137iras no \u012bpa\u0161\u012bb\u0101m un uzved\u012bbu, kas rakstur\u012bgas liel\u0101kiem m\u0113rogiem, t\u0101p\u0113c nanozin\u0101tne un nanotehnolo\u0123ija ir svar\u012bgas jaunu tehnolo\u0123iju rad\u012b\u0161an\u0101 un vielas pamatprincipu izpratn\u0113. <\/p>\n\n\n\n

\u0160aj\u0101 rakst\u0101 m\u0113s iedzi\u013cin\u0101simies interesantaj\u0101 nanozin\u0101tnes un nanotehnolo\u0123iju jom\u0101, analiz\u0113jot to ietekmi, k\u0101 ar\u012b at\u0161\u0137ir\u012bbas. <\/p>\n\n\n\n

Kas ir nanozin\u0101tne?<\/h2>\n\n\n\n

Materi\u0101lu \u012bpa\u0161\u012bbu un uzved\u012bbas izp\u0113te nanom\u0113rog\u0101 ir paz\u012bstama k\u0101 nanozin\u0101tne. Nanoizm\u0113ru pamat\u0101 ir nanometri, un to izm\u0113ru diapazons ir no 1 l\u012bdz 100 nanometriem.<\/p>\n\n\n\n

Nanometrs (nm) ir garuma m\u0113rvien\u012bba, kas ir viena miljard\u0101 da\u013ca no metra jeb 0,000000001 metra. T\u0101 ir \u0101rk\u0101rt\u012bgi maza m\u0113rvien\u012bba, ko bie\u017ei izmanto, lai raksturotu atomu, molekulu un, protams, nanoda\u013ci\u0146u izm\u0113rus.<\/p>\n\n\n\n

\u0160aj\u0101 m\u0113rog\u0101 materi\u0101liem ir liela virsmas laukuma attiec\u012bba pret tilpumu, kas var izrais\u012bt to elektrisko, optisko un meh\u0101nisko \u012bpa\u0161\u012bbu izmai\u0146as. Piem\u0113ram, nanoda\u013ci\u0146\u0101m var b\u016bt at\u0161\u0137ir\u012bga \u0137\u012bmisk\u0101 reaktivit\u0101te, optisk\u0101s \u012bpa\u0161\u012bbas un elektrovad\u012btsp\u0113ja nek\u0101 materi\u0101liem, kas ir lielapjoma.<\/p>\n\n\n\n

Nanozin\u0101tne ir daudznozaru joma, kas ietver vair\u0101kas zin\u0101tnes nozares, piem\u0113ram, fiziku, \u0137\u012bmiju, biolo\u0123iju un materi\u0101lzin\u0101tni. \u0160\u012bs jomas p\u0113tnieki p\u0113ta nanom\u0113roga materi\u0101lu \u012bpatn\u012bbas, k\u0101 ar\u012b to, k\u0101 \u0161os materi\u0101lus var p\u0101rveidot un izmantot jaunu tehnolo\u0123iju rad\u012b\u0161an\u0101. Darbojoties atomu l\u012bmen\u012b, zin\u0101tnieki var main\u012bt vielas fizik\u0101los, \u0137\u012bmiskos, biolo\u0123iskos un optiskos aspektus.<\/p>\n\n\n\n

K\u0101 tika att\u012bst\u012bta nanozin\u0101tne?<\/h2>\n\n\n\n

Nanozin\u0101tne att\u012bst\u012bj\u0101s pak\u0101peniski vair\u0101ku desmitga\u017eu laik\u0101, g\u016bstot pan\u0101kumus da\u017e\u0101d\u0101s zin\u0101tnes jom\u0101s. Pag\u0101ju\u0161\u0101 gadsimta 50. gados fizi\u0137is Ri\u010dards Feinmans (Richard Feynman) izgudroja terminu \"nanozin\u0101tne\" prezent\u0101cij\u0101 ar nosaukumu \"Tur apak\u0161\u0101 ir daudz vietas\", kur\u0101 vi\u0146\u0161 izt\u0113loj\u0101s iesp\u0113ju ietekm\u0113t un redz\u0113t mat\u0113riju nanom\u0113rog\u0101.<\/p>\n\n\n\n

Nozin\u0101tnes att\u012bst\u012bb\u0101 b\u016btiska noz\u012bme bija nanozin\u0101tnes progresam, jo tika izgudrotas metodes, ar kuru pal\u012bdz\u012bbu var redz\u0113t un kontrol\u0113t materi\u0101lus nanom\u0113rog\u0101. \u0160aj\u0101 jom\u0101 noz\u012bm\u012bgs pav\u0113rsiens bija Gerda Binniga un Heinriha Roreera (Gerd Binnig and Heinrich Rohrer) 1981. gad\u0101 izgudrotais sken\u0113jo\u0161ais tune\u013cmikroskops, kas pirmo reizi \u013c\u0101va zin\u0101tniekiem nov\u0113rot atsevi\u0161\u0137us atomus un molekulas.<\/p>\n\n\n\n

V\u0113l viens b\u016btisks sasniegums bija negaid\u012btu fizik\u0101lo un \u0137\u012bmisko \u012bpa\u0161\u012bbu atkl\u0101\u0161ana, samazinot materi\u0101lu izm\u0113ru l\u012bdz nanom\u0113rogam. Piem\u0113ram, samazinoties materi\u0101lu izm\u0113ram, palielin\u0101s to virsmas laukuma attiec\u012bba pret tilpumu, kas izraisa optisko, elektrisko un magn\u0113tisko \u012bpa\u0161\u012bbu izmai\u0146as. \u0160is atkl\u0101jums pav\u0113ra ce\u013cu nanotehnolo\u0123iju izveidei, kuras m\u0113r\u0137is ir rad\u012bt jaunus materi\u0101lus un s\u012bkr\u012bkus, manipul\u0113jot ar vielu nanom\u0113rogos.<\/p>\n\n\n\n

K\u0101da ir nanozin\u0101tnes ietekme?<\/h2>\n\n\n\n

Nanozin\u0101tne ir b\u016btiski ietekm\u0113jusi vair\u0101kas zin\u0101tnes un tehnolo\u0123iju jomas, k\u0101 ar\u012b sabiedr\u012bbu kopum\u0101. \u0160\u012bs p\u0113tniec\u012bbas jomas rezult\u0101t\u0101 ir atkl\u0101ti un rad\u012bti inovat\u012bvi materi\u0101li ar at\u0161\u0137ir\u012bg\u0101m \u012bpa\u0161\u012bb\u0101m, piem\u0113ram, oglek\u013ca nanocaurul\u012btes un graf\u0113ns, kuriem ir noder\u012bgs pielietojums t\u0101d\u0101s nozar\u0113s k\u0101 lidapar\u0101ti, automobi\u013ci un sporta apr\u012bkojums. <\/p>\n\n\n\n

Nanoizm\u0113ra \u012bpa\u0161\u012bbu izmanto\u0161ana ir \u013c\u0101vusi samazin\u0101t elektronisko iek\u0101rtu, piem\u0113ram, datoru mikrosh\u0113mu, izm\u0113rus, t\u0101d\u0113j\u0101di palielinot veiktsp\u0113ju, ener\u0123ijas pat\u0113ri\u0146u un pieejam\u012bbu. <\/p>\n\n\n\n

Nanozin\u0101tnes rezult\u0101t\u0101 ir rad\u012bti ar\u012b inovat\u012bvi slim\u012bbu diagnostikas r\u012bki un terapija. Piem\u0113ram, nanom\u0113roga z\u0101\u013cu pieg\u0101des sist\u0113mas var m\u0113r\u0137tiec\u012bgi iedarboties uz konkr\u0113t\u0101m \u0161\u016bn\u0101m vai audiem, samazinot nev\u0113lamo ietekmi un palielinot \u0101rst\u0113\u0161anas pan\u0101kumus.<\/p>\n\n\n\n

Nanozin\u0101tnei ir potenci\u0101ls risin\u0101t vides probl\u0113mas, tostarp pies\u0101r\u0146ojumu un klimata p\u0101rmai\u0146as, k\u0101 ar\u012b potenci\u0101ls revolucion\u0101ri main\u012bt ener\u0123ijas ra\u017eo\u0161anu un uzglab\u0101\u0161anu. Piem\u0113ram, nanomateri\u0101lus var izmantot, lai rad\u012btu efekt\u012bv\u0101kus katalizatorus pies\u0101r\u0146ojuma likvid\u0113\u0161anai.<\/p>\n\n\n\n

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At\u0161\u0137ir\u012bba starp nanozin\u0101tni un nanotehnolo\u0123iju<\/h2>\n\n\n\n

Lai gan nosaukumi \"nanozin\u0101tne\" un \"nanotehnolo\u0123ija\" da\u017ek\u0101rt tiek lietoti l\u012bdz\u012bgi, starp tiem ir skaidra at\u0161\u0137ir\u012bba.<\/p>\n\n\n\n

B\u016bt\u012bb\u0101 nanozin\u0101tne ir p\u0113t\u012bjumi par materi\u0101lu un notikumu kontroles principiem nanom\u0113rog\u0101. <\/p>\n\n\n\n

Savuk\u0101rt nanotehnolo\u0123ija attiecas uz nanozin\u0101tnes praktisko pielietojumu. T\u0101 ir saist\u012bta ar nanom\u0113roga materi\u0101lu un tehnolo\u0123iju izstr\u0101di, ra\u017eo\u0161anu un izmanto\u0161anu specializ\u0113tiem m\u0113r\u0137iem. <\/p>\n\n\n\n

Nanotehnolo\u0123ij\u0101 tiek izmantotas nanozin\u0101tnes zin\u0101\u0161anas un metodes, lai rad\u012btu jaunus produktus, procesus un tehnolo\u0123ijas praktiskiem lietojumiem t\u0101d\u0101s jom\u0101s k\u0101 medic\u012bna, ener\u0123\u0113tika, elektronika un materi\u0101li.<\/p>\n\n\n\n

Nanotehnolo\u0123ija bie\u017ei ietver nanomateri\u0101lu izmanto\u0161anu jaunu produktu un tehnolo\u0123iju izstr\u0101d\u0113. Lai uzzin\u0101tu vair\u0101k par nanomateri\u0101liem, lasiet rakstu \"Kas ir nanomateri\u0101li un k\u0101p\u0113c tie ir svar\u012bgi?\"<\/a>.<\/p>\n\n\n\n

Nozin\u0101tnes un nanotehnolo\u0123ijas galvenie sasniegumi<\/h2>\n\n\n\n
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  1. Nanoelektronika:<\/strong> nanom\u0113roga elektronisko ier\u012b\u010du, piem\u0113ram, kvantu punktu un nanopavedienu, izstr\u0101de;<\/li>\n<\/ol>\n\n\n\n
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    1. Gaisa ku\u0123is:<\/strong> Nanokompoz\u012bti ir \u013c\u0101vu\u0161i izstr\u0101d\u0101t vieglus, augstas stipr\u012bbas materi\u0101lus lidapar\u0101tu vajadz\u012bb\u0101m;<\/li>\n<\/ol>\n\n\n\n
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      1. Att\u0113lveido\u0161ana: <\/strong>Nanoda\u013ci\u0146as var izmantot k\u0101 kontrastvielas, lai uzlabotu t\u0101das att\u0113lveido\u0161anas metodes k\u0101 magn\u0113tisk\u0101 rezonanse, datortomogr\u0101fija un ultraska\u0146a, t\u0101d\u0113j\u0101di \u013caujot agr\u0101k un prec\u012bz\u0101k noteikt slim\u012bbas;<\/li>\n<\/ol>\n\n\n\n
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        1. Audu in\u017eenierija:<\/strong> Nanomateri\u0101lus var izmantot, lai izgatavotu skeletus audu in\u017eenierijas vajadz\u012bb\u0101m, kas \u013cauj izstr\u0101d\u0101t funkcion\u0113jo\u0161us audus un org\u0101nus transplant\u0101cijai;<\/li>\n<\/ol>\n\n\n\n
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          1. \u016adens att\u012br\u012b\u0161ana: <\/strong>Ir rad\u012btas uz nanotehnolo\u0123ij\u0101m balst\u012btas membr\u0101nas un filtri \u016bdens att\u012br\u012b\u0161anai, kas \u013cauj efekt\u012bv\u0101k no\u0146emt piemais\u012bjumus un uzlabot t\u012bra dzeram\u0101 \u016bdens pieejam\u012bbu;<\/li>\n<\/ol>\n\n\n\n
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            1. Gaisa pies\u0101r\u0146ojuma kontrole:<\/strong> Nanoda\u013ci\u0146as var izmantot, lai no gaisa atdal\u012btu pies\u0101r\u0146ojo\u0161\u0101s vielas, padarot gaisa pies\u0101r\u0146ojuma kontroli efekt\u012bv\u0101ku;<\/li>\n<\/ol>\n\n\n\n
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              1. Energoefektivit\u0101te: <\/strong>Nanotehnolo\u0123ijas ir \u013c\u0101vu\u0161as izstr\u0101d\u0101t efekt\u012bv\u0101kas ener\u0123ijas ra\u017eo\u0161anas un uzglab\u0101\u0161anas tehnolo\u0123ijas, piem\u0113ram, saules baterijas un akumulatorus;<\/li>\n<\/ol>\n\n\n\n
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                1. Sensori: <\/strong>Nanoizm\u0113ra sensoriem ir lieliska jut\u012bba un specifiskums, konstat\u0113jot izmai\u0146as fizik\u0101los, \u0137\u012bmiskos vai biolo\u0123iskos sign\u0101los, kas \u013cauj izmantot jaunus lietojuma veidus elektroniskaj\u0101 sensoro\u0161an\u0101 un uzraudz\u012bb\u0101.<\/li>\n<\/ol>\n\n\n\n

                  K\u0101da ir nanozin\u0101t\u0146u n\u0101kotne?<\/h2>\n\n\n\n

                  Visbeidzot, nanozin\u0101tnes n\u0101kotne sola daudz jaunu un aizraujo\u0161u sasniegumu un pielietojumu visda\u017e\u0101d\u0101kaj\u0101s jom\u0101s. Att\u012bstoties nanozin\u0101tnei, iesp\u0113jams, ka tiks veikti atkl\u0101jumi, kas b\u016btiski ietekm\u0113s sabiedr\u012bbu un pasauli, kur\u0101 dz\u012bvojam.<\/p>\n\n\n\n

                  Nanozin\u0101tne var ietekm\u0113t daudzas zin\u0101tnes un in\u017eenierzin\u0101t\u0146u jomas, s\u0101kot no vides att\u012br\u012b\u0161anas l\u012bdz p\u0101rtikas p\u0113t\u012bjumiem un kosmosa izp\u0113tei, tostarp rad\u012bt jaunus materi\u0101lus ar unik\u0101l\u0101m \u012bpa\u0161\u012bb\u0101m, piem\u0113ram, liel\u0101ku iztur\u012bbu, vad\u012btsp\u0113ju vai reaktivit\u0101ti.<\/p>\n\n\n\n

                  T\u0101p\u0113c nanozin\u0101tnes n\u0101kotne \u0161\u0137iet diezgan daudzsolo\u0161a un iesp\u0113ju pilna.<\/p>\n\n\n\n

                  Vizu\u0101li pievilc\u012bgi skait\u013ci j\u016bsu p\u0113t\u012bjumiem<\/h2>\n\n\n\n

                  Zin\u0101tniskie skait\u013ci ir paredz\u0113ti, lai par\u0101d\u012btu, ieviestu un izceltu j\u0113dzienus vai faktus, kurus b\u016btu gr\u016bti vai laikietilp\u012bgi izkl\u0101st\u012bt v\u0101rdos. Tom\u0113r, t\u0101pat k\u0101 ar jebko citu p\u0113tniec\u012bb\u0101, tas j\u0101ievie\u0161 piesardz\u012bgi. <\/p>\n\n\n\n

                  Vislab\u0101kais veids, k\u0101 j\u016bs varat pievienot pareizo skait\u013cu veidu, ir tas, ka jums ir pareizais atbalst\u012bt\u0101js, kas atrodas j\u016bsu pus\u0113; Atcerieties grafiku<\/a> ir tas, kur\u0161 j\u016bs pal\u012bdz\u0113s veikt \u0161o svar\u012bgo procesu, pied\u0101v\u0101jot vienk\u0101r\u0161as un viegli lietojamas veidnes.<\/p>\n\n\n\n

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