2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Acridine yog cov organic compound thiab nitrogen heterocycle nrog cov mis C₁₃H₉N. Acridines yog hloov derivatives ntawm niam txiv nplhaib. Nws yog ib qho qauv molecule uas muaj feem cuam tshuam nrog anthracene nrog ib qho ntawm cov pawg CH hauv nruab nrab hloov los ntawm nitrogen.
Puas yog acridine muaj cov qauv bicyclic?
Acridine yog polycyclic heteroarene uas yog anthracene nyob rau hauv uas ib qho ntawm lub hauv paus CH pawg tau hloov los ntawm nitrogen atom. Nws muaj lub luag haujlwm ua genotoxin. Nws yog mancude organic heterotricyclic niam txiv, polycyclic heteroarene thiab cov tswv cuab ntawm acridines.
Muaj pes tsawg lub nplhaib muaj nyob hauv acridine?
4.1 Acridines
Acridines yog ib chav kawm ntawm cov tshuaj heterocyclic uas ua los ntawm peb fused rau-tus tswv cuab rings, nrog rau lub ntsej muag aromatic.
Qhov twg yog qhov piv txwv ntawm acridine derivative?
Dye molecules xws li methylene blue (ib qho acridine derivative) paub tias cuam tshuam nrog oligonucleotides los ntawm kev sib cuam tshuam rau hauv cov nucleic acids.
Hom mutagen twg yog acridine txiv kab ntxwv?
Acridine txiv kab ntxwv yog cell-permeable, uas tso cai rau cov xim tuaj yeem cuam tshuam nrog DNA los ntawm kev sib cuam tshuam, lossis RNA ntawm electrostatic attractions. Thaum khi rau DNA, acridine txiv kab ntxwv zoo ib yam li spectrally rau cov organic compound hu ua fluorescein.
Pom zoo:
Puas yog cov dab dab dab dab dab dab dab dab dab dab dab dab?
Myth: Ib tug dab tshos tsis yog neeg ncaj ncees yog tiasnws haum yog. Fact: Tu siab, qhov no yog ib lo lus tsis tseeb uas tau raug perpetuated los ntawm aversive trainers. Txawm hais tias haum rau lub caj dab kom zoo khawb rau hauv cov tawv nqaij rhiab nyob ib ncig ntawm lub caj dab, uas ua rau muaj kev puas tsuaj loj rau cov thyroid, esophagus, thiab trachea.
Dab tsi yog kev xav ntawm autonomists dab tsi yog qhov kev xav ntawm kev zoo nkauj ntawm kev coj ncaj ncees?
Kev lig kev cai, muaj ob txoj haujlwm tawm tsam kev xav txog kev coj ua raws li kev cai lij choj ntawm kev ntsuas kev ncaj ncees ntawm kev kos duab: 'kev coj ncaj ncees kev ncaj ncees Ethics lossis kev coj ncaj ncees yog ib ceg ntawm kev xav uas "
Puas yog cov dab dab dab dab dab dab tau them?
OHL cov neeg ua si tsis tau nyiaj hli, vim lawv tsis raug lees paub tias yog cov neeg ua haujlwm raws li Txoj Cai Kev Ua Haujlwm. Txawm li cas los xij, lawv suav nrog cov txiaj ntsig xws li nyiaj rov qab txhua xyoo, tag nrho cov nqi kawm ntawv them, thiab daim pib pub dawb.
Dab tsi yog aniline xiav stained qauv hauv cov qauv nws yog ib qho hnyav?
Dab tsi yog aniline xiav-stained qauv hauv cov qauv? Nws yogstringy pawg hauv qab plab hnyuv epithelium uas txuas mus rau hauv lub villi. "Aniline xiav khi rau cov txheej txheem extracellular xws li cov fibers hauv lamina propria. Lamina propria yog lub npe ntawm cov ntaub so ntswg sib txuas hauv qab plab hnyuv epithelium.
Qhov chaw twg yog qhov zoo dua yog dab tsi yog cov qauv siv lub locator?
ID thiab lub npe tus cwj pwm ua qhov tseem ceeb tshaj lwm qhov chaw yog tias koj lub vev xaib muaj tus ID thiab lub npe tshwj xeeb, ces nws ib txwm xav kom siv lawv hloov XPath vim lawv nrawm dua thiab ntau dua muaj txiaj ntsig. Thaum siv cov chaw nyob, xyuas kom meej tias koj lub chaw nrhiav cov ntsiab lus meej rau cov khoom xav tau.
