Musamman high \ / low zazzabi da illa mai haske game da kwanciyar hankali: Ka'idar & Hanyar Hanyar

Binciken kwanciyar hankali na bincika yadda samfuran na zamani (E.G., Manyan Kwayoyiniyar muhalli, salts na ƙwararru, kayan adon-help, da adana rayuwa. Babban zazzabi mai ƙarancin zafi na iya haifar da lalata kariya, canje-canje na tsari, ko rabuwa da lokaci; Warin haske mai zurfi yana iya haifar da ɓoyayyiyar ma'anar sarkar ko halayen sarkar radial, yana haifar da ɗaukar hoto. Ajiyata ta bincika tasirin likitancin ilimin kimiyyar lissafi na 40 ° C, -20 ° C, da haske akan nau'ikan samfurin samfuri daban-daban yana da mahimmanci wajen tabbatar da inganci da aminci. Wannan takarda ta mai da hankali ne ga hanyoyin ka'idoji da ke kusa da hanyoyin da ke cikin manyan abubuwan kwayoyin kan ƙananan kwayoyin, da kuma magance zane-zane da kimantawa.

1. Ta yaya yawan zafin jiki mai yawa (40 ° C) yana shafar ƙananan kwayoyin halitta & ions na karfe?

Babban zazzabi yana kara yawan kudaden karatu, galibi yada lalata kwayoyin halitta da kuma lalata kayan aiki. A cikin gwajin kwanciyar hankali na magunguna, 40 ° C \ / 75% aka yi amfani da rh a matsayin kara yanayin yin hasashen halayen dogon lokaci. Tsawon zafi na iya haifar da iskar shawa, hydrolysis, ko isomration, ko ismerivation a kananan kwayoyin, kuma na iya canza daidaituwa-ion.

1.1 takamaiman tasirin kananan kwayoyin

• Rashin HaskeLipids ko phenolics sau da yawa a cikin 40 ° C, forming samfuran lalata samfuran.
  
  

• Hydrolysis:Ester ko Amide Cleave an sauƙaƙa sau da sauƙi lokacin da ya yi zafi, yana ba da samar da acid, bots, ko barasa.
  
  

• Isomerization:Canjin CIS-trans ko tsere na iya rage aiki.
  
  

Misali: Rapamycin (da IV Prodrug Cci-779) Adana da 40 ° C \ / 75% ohadativer-watan da ba shi da yawa fiye da samfurori 25 ° C. Don haka, abun ciki aiki da kuma maballin maballin dole ne a kula da shi a ƙarƙashin matsanancin damuwa.

1.2 Mabuɗin sakamako akan mafita-ion mafita

• Hadaddun kwanciyar hankali:Karfe-ligand daidaito chiillium sun bambanta da zazzabi; Rashin daidaituwa na iya narkar da, sakewa kyauta.
  
  

• Sallafi & Hazo:Duk da yake mafi yawan ƙarfe salts narke ƙarin a sarari t, wasu (e.g., hydroxides, wasu sassaƙwalwa) na iya yin canje-canje na lokaci ko hazo. Calcium Carbonate, alal misali, siffofin hydrates daban-daban a yanayin zafi daban-daban, yana shafar haduwa da ilimin ilimin halittu.
  
  

• Yanayin Hopidation Hopidation:Fe²⁺ na iya oxidize zuwa fesa a ɗaukaka t, prottitating kamar yadda abin da ke ɓoye ion ya daidaita ion.
  
  

A 40 ° C, saka idanu hadaddun hadarin da hadarin hadarin da ba a kula da shi ba.

1.3 Tsararren Tsarin Gwajin Lantarki

Hanyoyin bincike na gama gari sun haɗa da:

• DSC (Bambancin bincika Calorimetry):Yana auna kwanciyar hankali na zafi, sauyin lokaci, da kuma rushe hanyoyin.
  
  

• UV - VIE Spectrophotometry:Waƙoƙi sha ko canje-canje mai launi don ƙayyadadden taro ko lalata samuwa akan lokaci.
  
  

• ICP-MS \ / Aas:Daidaididdigar Katuni na Karfe-ion, gano asara ko precipitoms pre- da magani mai zafi.
  
  

• HPLC \ / GC-MS:Rarrabawa da gano samfuran lalata, ƙididdige dawo da sararin mahaifa.
  
  

Misali Protocol: Sanya samfurori a cikin wanka 40 ° C ruwa don matsakaicin tsufa; Lokaci-lokaci suna gudanar da DSC Scans don abubuwan da suka faru na zafi, auna tunawa da UV-ENER SWANCE, da amfani da ICP-MS don bi matakan ion. Tare wadannan hanyoyin suna ba da cikakkiyar ra'ayi game da canje-canje na zafi.

2. Ta yaya yake da ajiya mai daskarewa (-20 ° C) ya shafi kwanciyar hankali samfurin?

A -20 ° C, daskarewa wasu jihohi na zahiri, yiwuwar haifar da rarrabuwar kawuna ko canjin kwanciyar hankali. Ice lu'ulu'u ne cire su cikin aljihunan da ba a kula da su ba, ya buɗe maida hankali na gida da PH, wanda zai iya haifar da halayen da ba a tsammani ba ko preciport. Maimaita hycle-thaw hycles na iya rushe tsarin samfurin da aminci.

2.1 daskarewa-thaw sakamako akan kananan kwayoyin

A lokacin daskarewa, somutes mai da hankali a kusa da lu'ulu'u, sau da yawa ana sake amfani dashi ko kuma tara shi da narkewa. Macroscopically wannan ya bayyana a matsayin turbi ko hazo; Microscopically, kayan aikin kwayoyin ko lalacewa sun faru. Bincike a cikin ɗakunan karatu na DMS-NEWTHRIES NUNA NUNA YAWAN-Thaw dillalai rage yawan taro (saboda lalacewa ko hazo) idan aka kwatanta da sarrafawa mara sanyi. Tsarin rabuwa da lokaci yana buƙatar tsayayyen ɗaukar nauyi da kuma saka idanu na shakatawa.

2.2 hanyoyin a cikin mafita-ion mafita

Tsarin Ice-nau'i na tayin karfe da ƙari a cikin ruwa mai ruwa, ɗan lokaci kaɗan. Don baƙin ƙarfe-varolent baƙin ƙarfe (ZVI), daskararre-thaw mai ba da yake ba da shawarar da ke narkar da pastovation Layer; An sake shi (E.G., Ni²⁺) Desorb, kuma Spaut Fees na iya sake-addsorb su. Irin wannan ph da ion juyawa na iya canza steristry da fannin kafa na zahiri da kuma shafar zaman lafiyar gaba daya.

2.3 aunawa na daskarewa

• DSL (Haske Mai Girma):Tracks sigogi-girman canje-canje na pre- da kuma post-thaw don gano tarawar.
  
  

• ICP-MS \ / Aas:Yana auna bambance-bambance na ion kafin kuma bayan daskarewa-thaw don tantance asarar ko hazo.
  
  

• Yankuna-diakBi ka'idodi na ICH (misali hawan keke.
  
  

Ta hanyar waɗannan hanyoyin, lays na iya ɗaukar tasirin-thaw illa da inganta kayan ajiya \ / sufuri.

3. Yadda za a auna farashin hoto na masu ɗaukar hoto?

Haɗari tare da conjugated π-tsarin, m zobba, ko kuma cibiyoyin ƙarfe sha UV OF \ / wadanda ake gani PhotoDissocation, Photooxidation na Sarkar Sarkar Fahimtar waɗannan hanyoyin suna da mahimmanci don tsara gwaje-gwaje mai haske-haske da annabta masu ɗaukar hoto.

3.1 Wanne mahadi sune mai nauyi-hankali & me yasa?

• Dyes tare da tsarin kula ko hadaddun tsarin aiki ko kuma hadaddun yawan karfe a hankali sha haske da kyankyakan zobe ko shaidu, samar da tsattsauran ra'ayi.
  
  

• Man cikin m elatile a cikin kayan ganye na iya kwashe ko kuma bazuwar a ƙarƙashin UV \ / zafi.
  
  

• Kwayoyin halittar dauke da rauni (misali, nitroso, peroxide) suna daɗaɗa musamman ga zartarwa.
  Duk wani tsari tare da chromophores ko shaidar hoto za su iya yin hoto-ionization, ƙari, isomerization da aka canza ko lalata nau'in.
  
  
  

3.2 daidaitaccen tsarin gwaji na daukar hoto

Per Q1b:

• Matsayi na tilastawa: Samfuran samfurori zuwa Harsh Haske don Taswirar Taswirar Dukkan Dradants.
  
  

• Mataki na tabbatarwa: Aiwatar da hasken hasken da aka ayyana don tantance kwanciyar hankali na asali.
  Mabuɗin Key:
  
  

• Source Source: Memulated Sunfici (D65 \ / Id65 fitilu masu haske, Xenon-Arc, fitilu na karfe <320nm, ko UVB \ / Uva da bayyane hasken haske.
  
  

• Samfurin Sample: Sanya a cikin Inert, mai bayyanawa mai bayyanawa, dage farawa don bayyanuwar bayanai, tare da iko mai duhu. Idan lalata mai nauyi mai nauyi yana faruwa, gajarta lokacin bayyanar da lokacin \ / ƙarfi.
  
  

• Sayar da Kulawa: Kirkirar irradiance (E.G., tare da Quinine sulfate) da kuma rikodin hasken rana a cikin j \ / m² don tabbatar da maimaitawa.
  
  

Matsakaicin sarrafawa da duhu \ / Haske kwatancen yana ba da ingantaccen bayanan hotunan hoto da kuma ma'anar ƙwarewar haɓaka ta zamani.

3.3 Hoto mai hoto Kinetic

Photobaration sau da yawa yana bin akwakun farko-farko:

C (t) = C0e-KTC (T) = C_0 e ^ {- KT}

inda k shine ƙimar akai. Hanyoyin da suka yi kama-da-kai suna iya dacewa da samfurin langmuir-hinshenwood. Ta hanyar bin dalla-dalla ta hanyar UV-Vis ko HPLC-MS akan lokaci, k za a iya dacewa. The Phothemmer evertum yana samar da samar da farashi (%) -Molecules suna amsawa a cikin Phototon wanda aka shafe-ana lissafta ta hanyar kwatanta ragin lalacewa tare da Photon Wishon Flux. Waɗannan sigogi sun keɓe masu zaman lafiya mai sauƙi.

4. Shawarar da aka ba da shawarar hanyoyin daidaitawa

Hada dabarun nazari da yawa don cikakken bayanin kwanciyar hankali:

• Babban-T \ / daskarewa-thaw:
  - DSC don abubuwan da suka faru na zamani \ / canje-canje
  - UV-vion don lura da aiki mai kyau ko na ion
  - Icp-ms \ / Aas don Quimar Karfe
  - dls don bincike na rashin jini
  
  

• Daukar hoto:
  - UV-EN ENEY KINE CIKIN SAUKI
  - HPLC-MS don Dragnant ganowa da Raba Qaya
  - Yawan amfanin gona da ƙimar ƙididdigar akai-akai dangane da lokutan haske
  
  

Tabbatar da iko mai ƙarfi (ajiyar duhu, tushen haske daban-daban), abubuwan da suka dace, da kuma ilimin lissafi don tabbatar da sakamako.

5. Ingantaccen gabatarwa na kayan kwanciyar hankali

A isar da binciken a fili, shirya:

• Taro da filayen lokaci: Kwatanta mai aiki ko ion matakan ƙasa da 40 ° C vs. -20 ° C.
  
  

• Fizafadation Clubication curves: nuna taro ko tunawa da la'akari da lokaci \ / kashi, ciki har da logarithmmmmmmmmmm daidai.
  
  

• DSC thermogram: nuni Endto \ / na yau da kullun don canjin lokaci ko bazuwar a kan dumama.
  
  

• Dandagra na sarrafawa: Bala'i mai sauyawa-tsallake-narkewa ko ajiya \ / jigilar kayan aiki.
  
  

Fassarar tallafi na Abincin Gyara Fassara da Tattaunawa.

Ƙarshe

Daban-daban masu maye tasirin tsari a cikin daban-daban hanyoyi: babban zafi zafi), daskararren haifar da hoto mai ban sha'awa (musamman yana haifar da hoto mai ban sha'awa ko ƙarfe. Ya kamata a san ajiya da sufuri mai hankali Aiki mai zuwa na gaba yakamata ya hada da matsananciyar damuwa (misali, zafi + haske) don warware matsaloli masu gamsarwa.

Ƙarin bayanin kula

• Raka'a:Haske na haske a cikin J \ / M² ko Lilits; Rate Quadant K a Day⁻¹; untum huhun φ φ kuma; Abun cikin abun ciki kamar%.
  
  

• Samfuran samfurin:Kirkirantattun ladabi a cikin rukuni (API, tsaka-tsaki, ƙwayar ƙwayar muhalli, salts na ƙarfe) da kuma hanyoyin da aka tilasta don samar da shawarwarin da aka yi niyya.
  
  

Tunani: tushen jagororin ICH Q1A \ / Q1b Jagoranci Annex 10, kuma yanzu littattafan yanzu.