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<NBS5110> BODIPY 558/568 C12 脂滴熒光探針

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BODIPY 558/568 C12 脂滴熒光探針
貨號(hào):NBS5110-1mg
品牌:NoninBio

 

BODIPY 558/568 C12 脂滴熒光探針

 

產(chǎn)品編號(hào)

產(chǎn)品名稱

包裝規(guī)格

價(jià)格

NBS5110-1mg

BODIPY 558/568 C12 脂滴熒光探針

1mg

2682

 

產(chǎn)品簡(jiǎn)介:

BODIPY 558/568 C12是一種偶聯(lián)脂肪酸的熒光探針,用于脂滴檢測(cè),最大激發(fā)和發(fā)射波長(zhǎng)分別為558/568nm,適用于監(jiān)測(cè)活細(xì)胞內(nèi)的脂滴定位和動(dòng)力學(xué)。

 

產(chǎn)品特性:

1CAS NO.158757-84-7

2)化學(xué)名:Borate(1-), difluoro[5-[[5-(2-thienyl)-2H-pyrrol-2-ylidene-[kappa]N]methyl]-1H-pyrrole-2-dodecanoato(2-)-[kappa]N1]-, hydrogen,(T-4)-

3)同義名:Red C12

4)分子式:C25H31BF2N2O2S

5)分子量:472.4

6)純度:≥95%

7Ex/Em558/568nm

8)外觀:油狀

9)溶解性:溶于DMSODMF

10)化學(xué)結(jié)構(gòu)圖:

保存條件

-20oC避光干燥保存,至少2年有效。 

 

產(chǎn)品使用:

儲(chǔ)存液的制備和保存

將低溫保存的BODIPY 558/568 C12Mw: 472.4)置于室溫回溫至少20min,低速離心后加入一定量的無(wú)水DMSO配制成適量濃度的母液,比如5mM(往1mg 粉末加入423.37μl DMSO,充分溶解即可)。根據(jù)單次用量將儲(chǔ)存液分裝,≤-20℃避光干燥保存。需注意溶液內(nèi)濕度的逐漸積累會(huì)隨著時(shí)間推移引起探針聚集,因而務(wù)必干燥保存儲(chǔ)存液。

探針的標(biāo)記(僅作參考)

1. 由于BODIPY 558/568 C12屬于疏水染料,難以快速的分散進(jìn)入水溶性溶液中,為了能均勻穩(wěn)定的標(biāo)記細(xì)胞,可參考以下方法標(biāo)記活細(xì)胞。

2. 探針的工作濃度建議是1-10μM,加載時(shí)間根據(jù)實(shí)際的應(yīng)用來(lái)調(diào)整,可查閱相關(guān)文獻(xiàn)資料。

 

應(yīng)用示例(來(lái)自文獻(xiàn),僅作參考)

文獻(xiàn)1:

使用目的:分析細(xì)胞間的脂肪酸轉(zhuǎn)移。

使用方法:DIV7 ApoE3 ApoE4 神經(jīng)元或成年星形膠質(zhì)細(xì)胞(0.5×106 cells/well,6孔板)用含2μM BODIPY 558/568 C12的培養(yǎng)基孵育16h,之后用PBS清洗3次。這些標(biāo)記的細(xì)胞(供體)再轉(zhuǎn)移到先前培養(yǎng)的未標(biāo)記神經(jīng)元或成年星形膠質(zhì)細(xì)胞(受體,105 cells,22mm爬片)4h。爬片上的細(xì)胞用PBS清洗后再做固定。熒光顯微鏡成像分析。

文獻(xiàn)2:

使用目的:分析神經(jīng)元到膠質(zhì)細(xì)胞的脂質(zhì)轉(zhuǎn)移。

使用方法:實(shí)驗(yàn)前一天,用含2.5μM BODIPY 558/568 C12的神經(jīng)元培養(yǎng)基加載神經(jīng)元;18h之后用預(yù)熱的DPBS清洗神經(jīng)元2次,再用新鮮培養(yǎng)基37℃孵育1h;分別用DPBS清洗生長(zhǎng)在蓋玻片上的神經(jīng)元和膠質(zhì)細(xì)胞;加預(yù)熱的HBSS到膠質(zhì)細(xì)胞,使用無(wú)菌鑷子夾住長(zhǎng)有神經(jīng)元的蓋玻片,蓋到長(zhǎng)有星形膠質(zhì)細(xì)胞的蓋玻片上;37℃孵育這一夾心培養(yǎng)物4h;用鑷子輕輕夾走神經(jīng)元蓋玻片;為了固定膠質(zhì)細(xì)胞,先用DPBS清洗2遍,用3%多聚甲醛固定10min,用DPBS清洗2次;用含5μg/ml BODIPY 493/503DPBS孵育固定的膠質(zhì)細(xì)胞,室溫避光孵育10min,用DPBS清洗2次;

Fig. Schematic of fatty acid transfer assay. Neurons are incubated with Red-C12 overnight and then incubated with glia on separate coverslips for 4 hr. Glia are fixed, and the appearance of Red-C12 in astrocytic lipid droplets is imaged and quantified. 

Fig. Appearance of neuron-derived fatty acids (Red-C12) in glial lipid droplets. After the transfer assay, glia were fixed, stained with BODIPY 493/503 (BD-493) to label lipid droplets, and imaged using a Zeiss 880 confocal microscope with a 63× objective.

文獻(xiàn)3:

使用目的:脂肪酸脈沖追蹤和共培養(yǎng)實(shí)驗(yàn)(Fluorescent FA pulse-chase and co-culture experiments)。

使用方法:MEFs were incubated with complete medium (DMEM with 10% FBS and 4 mM glutamine, CM) containing 1 μM BODIPY 558/568 C12 (Red C12) or 2 μM β-BODIPY FL C12-HPC (FL HPC) for 16 h. Cells were then washed three times with CM, incubated for 1 h in order to allow the fluorescent lipids to incorporate into LDs or cellular membranes, and then chased for the time indicated in CM or Hank’s buffered saline solution (HBSS) in the absence or presence of various drugs. Mitochondria were labeled with 100 nM MitoTracker Green FM for 30 minutes prior to imaging. To label LDs, BODIPY 493/503 or BODIPY665/676 was added to cells at 200 ng/ml immediately prior to imaging and was present during imaging. 


注意事項(xiàng):

1.      熒光染料均存在淬滅問(wèn)題,請(qǐng)盡量注意避光,以減緩熒光淬滅。

2.      為了您的安全和健康,請(qǐng)穿實(shí)驗(yàn)服并戴一次性手套操作。


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