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Microbial metaproteomics: los ntawm kev ua qauv, sau cov ntaub ntawv mus rau cov ntaub ntawv tsom xam
Wu Enhui, Qiao Liang* Department of Chemistry, Fudan University, Shanghai 200433, Tuam Tshoj Cov kab mob muaj feem xyuam nrog tib neeg cov kab mob thiab kev noj qab haus huv. Yuav ua li cas nkag siab txog qhov muaj pes tsawg leeg ntawm cov zej zog microbial thiab lawv txoj haujlwm yog qhov teeb meem loj uas yuav tsum tau kawm ur ...Nyeem ntxiv -
Kaum qhov yuam kev hauv kev siv cov kua mobile theem!
Lub sijhawm txawb yog sib npaug rau cov kua theem ntawm cov ntshav, thiab muaj ntau yam uas yuav tsum tau them sai sai rau thaum siv. Ntawm lawv, muaj qee qhov "pitfalls" uas yuav tsum tau them sai sai rau. 01. Ntsuas pH ntawm lub xov tooj ntawm tes tom qab ntxiv cov kuab tshuaj organic Yog koj mea...Nyeem ntxiv -
Cov cwj pwm tsis zoo hauv chav kuaj, koj muaj pes tsawg tus?
Cov cwj pwm tsis zoo thaum lub sij hawm sim 1. Thaum ntsuas los yog ntsuas cov qauv, sau cov ntaub ntawv rau ntawm daim ntawv kos ua ntej, thiab tom qab ntawd luam rau hauv phau ntawv tom qab ua cov qauv tiav; Qee lub sij hawm cov ntaub ntawv tau sau nyob rau hauv uniformly tom qab qhov kev sim ua tiav; 2. Rau cov kauj ruam uas yuav tsum tau t...Nyeem ntxiv -
Cov tshuaj reagent yog "ob-ntev ntaj", thiab lub raj mis kev nyab xeeb tsim kev tiv thaiv
Cov kuab tshuaj reagent yog cov cuab yeej siv rau cov neeg ua haujlwm hauv chav kuaj thiab tseem yog qhov muaj kev nyab xeeb. Laboratory raws li txoj cai: 1. Kev siv ntau ntawm cov organic solvents ua rau hnyav volatilization; 2. Tsis muaj kev tiv thaiv kev nyab xeeb, tsis hnov tsw muaj zog, thiab cuam tshuam rau kev noj qab haus huv ntawm cov neeg ua haujlwm; 3. Cov...Nyeem ntxiv -
17 lub chaw kuaj tshuaj lom neeg tshaj plaws, tsis txhob txhawj!
DMSO DMSO yog dimethyl sulfoxide, uas muaj ntau yam kev siv. Nws yog siv los ua ib qho hnyav rau acetylene, aromatic hydrocarbons, sulfur dioxide thiab lwm yam gases, nrog rau cov kuab tshuaj rau acrylic fiber spinning. Nws yog ib qho tseem ceeb heev uas tsis yog-protonic polar solvent uas yog soluble nyob rau hauv ob qho tib si wa ...Nyeem ntxiv -
Qhov txawv ntawm Nylon 6 thiab Nylon 66
Nylon 6 thiab Nylon 66 Nylon 6 thiab nylon 66 yog cov khoom tseem ceeb ntawm nylon. Nylon muaj zog thiab hnav-tiv taus, thiab nws lub zog yog txawm tias piv rau cov hlau hlau ntawm tib lub thickness; 15% nylon sib xyaw rau hauv cov ntaub plaub tuaj yeem ua rau nws hnav tsis kam los ntawm 3.5 npaug; Tsuas yog polypropylene ...Nyeem ntxiv -
Kev siv kom raug thiab cov kauj ruam ntawm lub khob ntim ntim
Volumetric flasks feem ntau yog siv los npaj cov kev daws teeb meem ntawm qee qhov concentration. Lawv yog cov nyias nyias, pear-puab, tiaj-hauv qab iav lub raj mis nrog rau hauv av stopper. Muaj ib lub cim ntawm lub caj dab ntawm lub raj mis. Thaum cov kua hauv lub raj mis ncav cuag lub cim ntawm qhov ntsuas kub, nws ...Nyeem ntxiv -
HLB SPE column
HLB SPE kem Bond Elut HLB (Hydrophile-Lipophile Balance) yog dab tsi, ntau yam khoom theem rho tawm (SPE) sorbent formulated los ntawm monodisperse divinylbenzene thiab N-vinylpyrrolidone copolymer hauv qhov sib piv. Qhov no sorbent siab heev muab khaws cia zoo ntawm ntau yam ...Nyeem ntxiv -
GC Basics
1. Lub hauv paus ntsiab lus ntawm cov pa roj chromatography Chromatography, tseem hu ua txheej tsom xam, yog lub cev sib cais tshuab. Lub hauv paus ntsiab lus ntawm kev sib cais Ader yog txhawm rau faib cov khoom sib xyaw ua ke ntawm ob theem. Ib theem yog nyob ruaj ruaj thiab hu ua theem nyob ruaj khov. Lwm theem yog th...Nyeem ntxiv -
GC cov lus qhia ua haujlwm
1 cua sov Vim yog cov tuam txhab sib txawv thiab cov roj chromatographs zoo, cov txheej txheem ntawm kev teeb tsa qhov kub thiab txias kuj txawv. Rau kev teeb tsa qhov kub thiab txias siv txoj kev teeb tsa microcomputer lossis txoj kev xaiv hu, nws feem ntau yog los teeb tsa tus lej ncaj qha lossis xaiv qhov appropr ...Nyeem ntxiv -
Txawv lub kaus mom
Muaj peb hom kaus mom muaj rau cov qauv vials: crimp caps, bayonet caps, thiab ntsia hlau hau. Txhua txoj kev sealing muaj nws qhov zoo. 1. Crimp cap Lub crimp cap squeezes lub septum ntawm lub ntug ntawm lub iav vial thiab crimped txhuas cap. Cov nyhuv sealing zoo heev thiab cov nyhuv ...Nyeem ntxiv -
Kev ceev faj rau cov koob txhaj tshuaj - Ua kua theem
\1. Thaum siv phau ntawv txhaj tshuaj rau kev txhaj tshuaj, cov koob txhaj tshuaj yuav tsum tau muab ntxuav nrog rab koob ntxuav ua ntej thiab tom qab txhaj tshuaj. Cov koob tshuaj ntxuav feem ntau yog xaiv los ua cov kuab tshuaj tib yam li cov qauv tshuaj. Cov koob txhaj tshuaj yuav tsum tau ntxuav nrog cov qauv solutio ...Nyeem ntxiv
