2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Lub luag haujlwm tseem ceeb ntawm fluorescence microscope yog kom cia lub teeb ci ntsa iab tawm ntawm cov qauv thiab tom qab ntawd txheeb xyuas cov teeb pom kev tsis muaj zog ntau ntawm cov duab..
fluorescence microscope siv rau dab tsi?
Vim li cas fluorescence microscopy tseem ceeb? Fluorescence microscopy yog qhov rhiab heev, tshwj xeeb, txhim khu kev qha thiab siv dav los ntawm cov kws tshawb fawb los soj ntsuam qhov chaw ntawm cov molecules hauv cov hlwb, thiab cov hlwb hauv cov ntaub so ntswg.
Yuav ua li cas rau fluorescence microscopy?
Fluorescence microscopy yuav tsum khaus, ze-monochromatic, illumination uas qee qhov chaw teeb pom kev zoo, zoo li cov teeb halogen tsis tuaj yeem muab. Plaub hom teeb pom kev zoo yog siv, suav nrog xenon arc teeb lossis mercury-vapor teeb nrog lub lim dej, lasers, supercontinuum qhov chaw, thiab high-power LEDs.
fluorescent microscopes ua haujlwm li cas?
A fluorescence microscope siv a mercury lossis xenon teeb los tsim lub teeb ultraviolet. Lub teeb los rau hauv lub tshuab tsom iav thiab tsoo lub iav dichroic - daim iav uas qhia txog ib qho ntawm cov wavelengths thiab tso cai rau lwm qhov hla mus. Daim iav dichroic qhia txog lub teeb ultraviolet mus txog qhov qauv.
Lub hauv paus ntsiab lus ntawm fluorescent microscopy yog dab tsi?
Qhov tseem ceeb ntawm fluorescence microscopy yogkom stain lub Cheebtsam nrog dyes. Fluorescent dyes, tseem hu ua fluorophores los yog fluorochromes, yog cov molecules uas nqus lub teeb excitation ntawm ib lub wavelength (feem ntau UV), thiab tom qab ncua sij hawm emit lub teeb ntawm lub wavelength ntev.
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.
Yuav ua li cas txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau pom kev pom?
Txawm li cas los xij, corneal collagen cross-linking - cov txheej txheem qib siab tau pom zoo los ntawm US Food and Drug Administration (FDA) hauv xyoo 2016 - tuaj yeem txhim kho qhov pom kev hauv cov neeg mob txhua hnub nyoog. Corneal collagen cross-linking (CXL) tsis yog kho rau keratoconus, tab sis nws tuaj yeem pab tiv thaiv tus mob kom tsis txhob mob hnyav.
Nyob rau hauv txoj siv conveyor siv rau idlers yog?
Ib txoj kev siv txoj siv sia mus ncig ua ke muaj cov khoom siv thauj khoom, feem ntau yog nyob rau hauv daim ntawv ntawm trestles, brackets, thiab idlers tsim los txhawb, nqa thiab tsim cov hollows ntawm txoj siv conveyor. … Pob bearings yog siv rau cov kabmob mounting ntawm idlers.
Nyob rau hauv daim siab detoxifying enzymes nyob rau hauv dab tsi organelle?
Cov enzymes uas tsim cov lipid Cheebtsam ntawm lipoproteins nyob rau hauv daim nyias nyias ntawm ER smooth ER Lub du endoplasmic reticulum tsis muaj ribosomesthiab ua haujlwm hauv lipid synthesis tab sis tsis metabolism, kev tsim cov tshuaj hormones steroid, thiab detoxification.
Leej twg detering nyob rau hauv tag nrho cov nyob ntsiag to nyob rau sab hnub poob pem hauv ntej?
Detering yog tus neeg ua liaj ua teb los ntawm Txhua Tus Neeg Tsis Txaus Siabntawm Sab Hnub Poob los ntawm Erich Maria Remarque. Nws muaj siab mos siab muag, tshwj xeeb tshaj yog thaum nws los txog rau nees. Nws muaj kev kub ntxhov loj heev thaum nws hnov cov nees quaj thiab txawm sim tua lawv kom kawg lawv txoj kev txom nyem.
