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N-乙酰對氨基酚標準品
Acetaminophen Standard CAS#:103-90-2 品牌:wako;訂貨號:015-22651 類別:獸藥標準品[查看]
http://www.baichuan365.com/Products/NYXDAJFBZP.html
醋胺硝唑標準品
2-Acetylamino-5-nitrothiazole Standard CAS#:140-40-9 品牌:wako;訂貨號:018-21421 類別:獸藥標準品[查看]
http://www.baichuan365.com/Products/CAXZBZP.html
二乙酰胺三氨脒標準品
Diminazene Diaceturate Standard CAS#:908-54-3 品牌:wako;訂貨號:048-29501 類別:獸藥標準品[查看]
http://www.baichuan365.com/Products/EYXASAMBZP.html
磺胺醋酰標準品
Sufacetamide Standard CAS#:144-80-9 品牌:wako;訂貨號:192-14581 類別:獸藥標準品[查看]
http://www.baichuan365.com/Products/HACXBZP.html
cDNA末端快速擴增技術(shù)(R<font color='red'>ACE</font>)
cDNA末端快速擴增技術(shù)(rapid amplification of cDNA ends, RACE)是一種基于PCR從低豐度的轉(zhuǎn)錄本中快速擴增cDNA的5'和3’末端的有效方法,以其簡單、快速、廉價等優(yōu)勢而受到越來越多的重視。[查看]
http://www.baichuan365.com/Projects/cdnamdkskzjsrace.html
CRISPR-Cas9構(gòu)建服務(wù)
原核生物規(guī)律成簇的間隔短回文重復(fù)CRISPR (clustered, regularly interspaced, short palindromic repeats)是一種來自細菌降解入侵的病毒DNA或其他外源 DNA 的免疫防御機制。在細菌及古細菌中,Cas9 蛋白含有兩個核酸酶結(jié)構(gòu)域,可以分別切割DNA 兩條單鏈。Cas9首先與crRNA及tracrRNA結(jié)合成復(fù)合物,然后通過PAM序列結(jié)合并侵入DNA,形成RNA-DNA復(fù)合結(jié)構(gòu),進而對目的DNA雙鏈進行切割,使DNA雙鏈斷裂;CRISPR-Cas9系統(tǒng)已經(jīng)成功應(yīng)用于植物、細菌、酵母、魚類及哺乳動物細胞,是高效的基因組編輯系統(tǒng)。[查看]
http://www.baichuan365.com/Projects/crisprcas9gjfw.html
打破經(jīng)典教科書:首次發(fā)現(xiàn)對兩性都 “作弊” 的染色體!
研究人員在果蠅(Drosophila testacea)中發(fā)現(xiàn)了一條 “自私” 的 X 染色體,它能在精子和卵子中扭曲遺傳規(guī)律。由英屬哥倫比亞大學(xué)和維多利亞大學(xué)的科學(xué)家領(lǐng)導(dǎo)的這項研究確定,廣泛分布于古北區(qū)林地果蠅的 X 染色體會消除含 Y 染色體的精子,確保更多后代繼承它。在雌性果蠅中,它會優(yōu)先進入卵子。[查看]
http://www.baichuan365.com/Article/20250514_industrialnews_1.html
“雜草”變身寶貝——油莎草根油 沙漠中的軟黃金
油莎草(Cyperus esculentus L.)是莎草科(Cyperaceae)、莎草屬(Cyperus)草本植物,原產(chǎn)非洲和地中海沿岸,被譽為“油料作物”。油脂含量在20%—30%,油脂品質(zhì)極好,色澤清澈微黃,零度以下不結(jié)冰,可與橄欖油、杏仁油相媲美。[查看]
http://www.baichuan365.com/Article/Cyperus-esculentus-L.rootoil_1.html
乙酰殼糖胺:自然界中的多功能氨基糖
乙酰殼糖胺(N-acetyl-D-Glucosamine, GlcNAc)化學(xué)名稱是 β-(1→4)-2-乙酰氨基-2-脫氧-D-葡萄糖,作為自然界重要的氨基糖,存在于多種生物體中,例如蝦蟹殼和真菌細胞壁。乙酰殼糖胺是糖胺聚糖的組成部分,結(jié)構(gòu)類似關(guān)節(jié)軟骨組織,被認為對關(guān)節(jié)健康有益。而在各種皮膚護理產(chǎn)品中,如化妝水、膏霜、乳液、面膜等,具有內(nèi)外保濕和美白搭配的特性,使其得以廣泛應(yīng)用。[查看]
http://www.baichuan365.com/Article/N-Acetylglucosamine_1.html
生育酚乙酸酯:抗氧化與抗衰老的有效成分
生育酚乙酸酯(Tocopheryl acetate,CAS:7695-91-2),作為維生素E的衍生物,在化妝品中作為高效抗氧化劑,以其油溶性、營養(yǎng)滋潤及穩(wěn)定油脂的特性,有效保濕、強化結(jié)締組織、防御紫外線,并促進傷口愈合、預(yù)防炎癥、改善肌膚質(zhì)地。其安全風(fēng)險低,廣泛應(yīng)用于各類保養(yǎng)品中,展現(xiàn)了多功能性和市場價值。[查看]
http://www.baichuan365.com/Article/TocopherylAcetate_1.html
《Nature Neuroscience》阿爾茨海默病不僅僅是神經(jīng)元
神經(jīng)系統(tǒng)的細胞在一種叫做BACE1的酶的幫助下,通過切割一個較大的前體分子來產(chǎn)生淀粉樣蛋白。在他們的實驗中,研究人員特意敲除了小鼠神經(jīng)元和少突膠質(zhì)細胞中的BACE1。然后,他們使用3D光片顯微鏡研究整個大腦的斑塊形成,提供了大腦所有區(qū)域淀粉樣斑塊的完整圖像。[查看]
http://www.baichuan365.com/Article/natureneuroscienceae_1.html
胃腸道間質(zhì)瘤-T1培養(yǎng)套裝 GIST-T1 Culture Kit
胃腸道間質(zhì)瘤(GISTs)不像大多數(shù)的腫瘤生長在小腸和食道胃腸道,而是生長在胃粘膜下。間質(zhì)瘤產(chǎn)生于 Cajal 間質(zhì)細胞和腸道起搏細胞(pacemakercells)。GIST-T1 細胞系是從日本婦女胃部 GISTs(胃腸道間質(zhì)瘤)中分離得到的細胞系。[查看]
http://www.baichuan365.com/Article/GIST-T1_1.html
NS 基礎(chǔ)培養(yǎng)基/NS Supplement
NS?基礎(chǔ)培養(yǎng)基/NS Supplement, 是一款適合用于神經(jīng)細胞培養(yǎng)的基礎(chǔ)培養(yǎng)基。NS?Supplement 是用于神經(jīng)細胞培養(yǎng)的無血清 Supplement(含有維生素A乙酸酯?Retinyl Acetate)。適用于從大鼠海馬分離出的神經(jīng)細胞培養(yǎng)、神經(jīng)干細胞等的培養(yǎng)。本品需配套 NS Supplyment 使用。[查看]
http://www.baichuan365.com/Article/NS-Supplement_1.html
科學(xué)家在小鼠細胞中制造新冠病毒受體蛋白
一組科學(xué)家展示了一種方法,可以大量生產(chǎn)導(dǎo)致COVID-19的病毒SARS-CoV-2在人體細胞表面結(jié)合的受體。現(xiàn)在臭名昭著的病毒刺突蛋白與人類“ACE2”受體之間的結(jié)合是病毒感染的第一步。在小鼠細胞中制造功能性人類ACE2蛋白給科學(xué)家們提供了一種研究這些受體的新方法,并有可能將它們投入使用。[查看]
http://www.baichuan365.com/Article/kxjzxsxbzzzxgbdstdb_1.html
COVID-19中和抗體ELISA試劑盒
中和抗體(Nab)有著可通過結(jié)合抗原、中和病原體來阻止病原體感染靶細胞的特點,與其結(jié)合后的病原體會變?yōu)榉莻魅拘浴OVID-19特異性中和抗體Nabs可與病毒表面的刺突蛋白,即S蛋白結(jié)合,使COVID-19病毒與人細胞受體ACE2結(jié)合。這個過程被稱為“免疫消毒”,免疫系統(tǒng)在病毒感染人體細胞之前就消滅了傳染性顆粒。[查看]
http://www.baichuan365.com/Article/SARS-CoV-2Neutralization_1.html
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乙酰丁香酮 Acetosyringone
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1-萘乙酸 1-Naphthaleneacetic acid
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Blood group H antigen pentaose type 1-N-Acetyl-Propargyl
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Blood group H antigen pentaose type 1-Nacetyl-Spacer 3-Biotin
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Blood group A antigen tetraose type 5-NAc-spacer1-NH2
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Gb5-N-Acetyl-spacer 3-Biotin
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ACE5599
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Trace Elements in Water 標準物質(zhì)
Trace Elements in Water 標準物質(zhì)
Androsterone 3-acetate,certified
Androsterone 3-acetate,certified
Corticosterone-21-acetate
Corticosterone-21-acetate