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新冠肺炎患者的血液中存在含有血管緊張素轉(zhuǎn)化酶2蛋白的天然納米級大小的囊泡-evACE2,它具有先天廣譜抗病毒機制,可阻止廣泛的新冠病毒毒株感染。[查看]
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http://m.baichuan365.com/Article/cnlace2stdbnmnpkfzxg_1.html
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越來越多證據(jù)表明,中樞神經(jīng)系統(tǒng)(CNS)并非是一片不會發(fā)生免疫反應(yīng)的“凈土”,許多中樞神經(jīng)系統(tǒng)疾病都與免疫異常有關(guān)。近日,《Cell》雜志在線發(fā)表了美國圣路易斯華盛頓大學(xué)的研究人員帶來的名為“Functional characterization of the duralsinuses as a neuroimmune interface”的合作研究。該研究證明了腦脊液(CSF)中CNS來源的抗原積聚在硬腦膜竇周圍,被局部抗原呈遞細(xì)胞捕獲并呈遞給巡邏的T細(xì)胞。[查看]
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http://m.baichuan365.com/Article/celljsmyhmdzssjxtwhn_1.html
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近日, Viruses發(fā)表了一篇題為Neuroinvasion and Encephalitis Following Intranasal Inoculation of SARS-CoV-2 in K18-hACE2 Mice的文章,發(fā)現(xiàn)SARS-CoV-2鼻內(nèi)感染K18-hACE2小鼠會引起嚴(yán)重的神經(jīng)系統(tǒng)疾病。[查看]
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http://m.baichuan365.com/Article/virusesjsxgbdkcnyxsd_1.html
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近日,英國紐卡斯?fàn)柛ダ锫t(yī)院的研究人員在《英國醫(yī)學(xué)雜志》(BMJ)上發(fā)表了一篇題為Use of proton pump inhibitors to treat persistent throat symptoms: multicentre, double blind, randomised, placebo controlled trial的文章,研究了質(zhì)子泵抑制劑治療持續(xù)性咽喉癥狀的療效。[查看]
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http://m.baichuan365.com/Article/yhbsbmjfwzlywknwyyzl_1.html
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早期發(fā)育過程中胎兒的面部結(jié)構(gòu)往往會融合在一起,那么,后來的發(fā)育過程中我們的面部是如何形成,形態(tài)結(jié)構(gòu)又是如何隨進化而發(fā)生改變的呢?近日,來自美國賓夕法尼亞州立大學(xué)的研究人員在《Nature Genetics》上發(fā)表了題為Insights into the genetic architecture of the human face的研究成果,使用多變量全基因組關(guān)聯(lián)研究,對8246例個體進行了薈萃分析,從中確定了203個與正常范圍的面部變異相關(guān)的單核苷酸多態(tài)性(SNP),為了解個體的遺傳如何協(xié)調(diào)塑造復(fù)雜的形態(tài)特征提供了一定的見解。[查看]
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http://m.baichuan365.com/Article/naturezkjsyzbhdycxx_1.html
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在一項新的研究中,來自美國加州大學(xué)戴維斯分校的研究人員發(fā)現(xiàn)結(jié)腸內(nèi)壁中的一種酶會釋放出過氧化氫---一種已知的消毒化合物--來保護身體免受腸道微生物的侵害。這一研究結(jié)果揭示了微生物在結(jié)腸中的空間分布方式,同時也為開發(fā)一種治療腸道炎癥的新方法奠定基礎(chǔ)。相關(guān)研究結(jié)果發(fā)表在2020年12月9日的Cell Host & Microbe期刊上,論文標(biāo)題為“Anaerobic Respiration of NOX1-Derived Hydrogen Peroxide Licenses Bacterial Growth at the Colonic Surface”。[查看]
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http://m.baichuan365.com/Article/cellzkdfxyllgyhqrcdx_1.html
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在一項新的研究中,來自英國弗朗西斯-克里克研究所的研究人員發(fā)現(xiàn)位于SARS-CoV-2冠狀病毒表面上的刺突蛋白(S蛋白)與人類病毒受體ACE2接觸時,可以采取至少十種不同的結(jié)構(gòu)狀態(tài)。這種對感染機制的新見解為開發(fā)疫苗和治療方法奠定基礎(chǔ)。相關(guān)研究結(jié)果于2020年9月17日在線發(fā)表在Nature期刊上,論文標(biāo)題為“Receptor binding and priming of the spike protein of SARS-CoV-2 for membrane fusion”。[查看]
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http://m.baichuan365.com/Article/naturejssarscov2ctdb_1.html
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在最近一項研究中,馬丁·路德大學(xué)藥物學(xué)研究所的研究人員Halle-Wittenberg等人開發(fā)了一種生產(chǎn)質(zhì)量可控的抗炎藥物的方法。由于人體不會將其識別為異物,因此它們比布洛芬或雙氯芬酸等抗炎藥更具優(yōu)勢。結(jié)果發(fā)表在《European Journal of Pharmaceutical Sciences.》上。[查看]
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http://m.baichuan365.com/Article/ejpsyjzmkfcxxkyyw_1.html
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在一項新的研究中,美國霍華德-休斯醫(yī)學(xué)研究所研究員Jesse Bloom和他的同事們已經(jīng)將近4000種不同的突變?nèi)绾胃淖兞薙ARS-CoV-2與人類細(xì)胞結(jié)合的能力進行了編目。[查看]
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http://m.baichuan365.com/Article/cellsdtbsmjsxgbdsdbs_1.html
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新型冠狀病毒SARS-CoV-2導(dǎo)致2019年冠狀病毒?。–OVID-19),如今正在全球肆虐。隨著COVID-19疫情持續(xù)蔓延,科學(xué)家和醫(yī)療服務(wù)提供者正在尋找方法,以防止這種冠狀病毒暴露后感染組織。[查看]
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http://m.baichuan365.com/Article/sciencelyjgjygzdrace_1.html
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嚴(yán)重急性呼吸綜合征2型冠狀病毒(SARS-CoV-2)已造成數(shù)百萬人感染的大流行。在評估抑制SARS-CoV-2感染和改善疾病的潛在療法和疫苗時,一個限制是缺乏大量易感的小動物模型。商業(yè)可用的實驗室小鼠不容易感染SARS-CoV-2,因為它們的血管緊張素轉(zhuǎn)換酶2 (angiotensin-converting enzyme 2,ACE2)受體存在物種特異性差異。[查看]
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http://m.baichuan365.com/Article/cellxssarscov2grmxjs_1.html
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各研究結(jié)果表明,ACE-2受體是新型冠狀病毒感染人類的關(guān)鍵靶點,由此可見,通過阻斷冠狀病毒與ACE-2受體的結(jié)合是治療研究方向之一。西寶生物為2019-nCoV抗病毒研究提供多種科研試劑與原料,共同努力![查看]
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http://m.baichuan365.com/Article/xbswtj2019ncovxxgzbd_1.html
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在體外診斷試劑的研發(fā)生產(chǎn)中,校準(zhǔn)品和質(zhì)控品是實現(xiàn)體外診斷試劑臨床檢測及監(jiān)督檢驗結(jié)果準(zhǔn)確一致的主要工具,也是保證量值傳遞的實物計量標(biāo)準(zhǔn)。西寶生物推出生化診斷校準(zhǔn)品和質(zhì)控品,包括血管緊張素轉(zhuǎn)換酶(ACE)、巖藻糖苷酶(AFU)、甘氨酰脯氨酰- 二肽氨基肽酶(GDPA酶)、beta-N-乙酰氨基葡萄糖苷酶(NAG),咨詢熱線400-021-8158.[查看]
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http://m.baichuan365.com/Article/shzdxzphzkpaceafugdp_1.html
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目前的指南建議降低膽固醇,以降低心臟病風(fēng)險。在一項新的為期9年的研究中,來自中國和美國的研究人員研究了低密度脂蛋白膽固醇(LDL)---通常稱為“壞”膽固醇---與出血性中風(fēng)之間的關(guān)系,結(jié)果發(fā)現(xiàn)如果膽固醇下降過低,這可能會增加出血性中風(fēng)的風(fēng)險。當(dāng)血管在大腦中爆裂時,這種類型的中風(fēng)就會發(fā)生。相關(guān)研究結(jié)果于2019年7月2日在線發(fā)表在Neurology期刊上,論文標(biāo)題為“Low-density lipoprotein cholesterol and risk of intracerebral hemorrhage”。[查看]
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http://m.baichuan365.com/Article/neurologytddldldgckn_1.html
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Exendin-4由39個氨基酸殘基組成,與胰高血糖素樣肽1(GLP-1)有53%的同源性,是GLP-1受體激動劑,與GLP-1類似,Exendin-4可調(diào)節(jié)血糖濃度,但GLP-1的半衰期僅有2min,而Exendin-4半衰期卻長達9.57h,因此在治療2型糖尿病方面具有廣闊的前景。西寶生物可提供用于相關(guān)藥發(fā)生產(chǎn)的Phoenix Pharmaceuticals品牌Exendin-4 (Heloderma suspectum) EIA Kit用于EIA酶免疫實驗,用于實驗室快速檢測艾塞那肽。訂購咨詢熱線:400-021-8158![查看]
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http://m.baichuan365.com/Article/xpfbexendin4mmsjh_1.html
記錄總數(shù):629 | 頁數(shù):42 <...33343536373839404142
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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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LNT-N-acetyl-propargyl
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LNnH-N-acetyl-propargyl
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LNnH-N-acetyl-spacer4-NH2
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LNnT-N-acetyl-propargyl
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Core type 2 -N-acetyl-propargyl
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Tetra-N-Acetyl-D-Lactosamine / TetraLacNAc
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Tri-N-Acetyl-D-Lactosamine / TriLacNAc
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Di-N-Acetyl-D-Lactosamine / DiLacNAc
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N-Acetyl-D-Lactosamine / LacNAc
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Blood group H antigen triaose type5-NAc-spacer1-NH2
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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 H antigen tetraose type 2 -N-acetyl-Propargyl
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6GrA1-N-acetyl-spacer4-NH2
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6GrA1-NAc-spacer2-NH2
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Blood group A antigen tetraose type 5-NAc-spacer2-NH2
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Blood group A antigen triaose-N-acetyl-propargyl
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Blood group A antigen tetraose type 5-NAc-spacer1-NH2
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6GrA1-NAc-spacer3-Biotin
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Blood group A antigen tetraose type 5-N-acetyl-propargyl
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Gb5-N-Acetyl-spacer 3-Biotin
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Gb5-N-Acetyl-Propargyl
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Acetyl-Coenzyme A,trisodium salt
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Acetyl-Coenzyme A,trilithium salt
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N-氨基甲酰甲基乙磺酸, ACES, 99%
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2-Chloroacetamide (CAA),crystalline powder
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2-acetyl-3,5-dihydroxyphenyl-O-β-D-glucopyranos
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2-deacetyl wilformine
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2-deacetyl wilformine
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NNN-N-D-Glucoside Acetate Salt
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NNK-β-D-glucoside Acetate Salt
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Acetoxymethyl-NNK
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1mol/l Acetic Acid (1N)
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0.1mol/l Acetic Acid(N/10)
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0.2mol/l Disodium Dihydrogen Ethylenediamine Tetraacetate Solution
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0.025mol/l Disodium Dihydrogen Ethylenediamine Tetraacetate Solution
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Calcium Acetate 1.0 M
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Calcium Acetate 1.0 M
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Acetic acid 0.5N 0.5M
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Acetic acid 0.5N 0.5M
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Acetic acid 0.1N 0.1M
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Acetic acid 0.1N 0.1M
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Acetic acid 1.0N 1.0M
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Acetic acid 1.0N 1.0M
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Acetic acid 2.0N 2.0M
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Acetic acid 2.0N 2.0M
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Acetic acid 5.0N 5.0M
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Acetic Acid 1.0N (1.0M)
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Perchloric Acid 0.01M 0.01N in Acetic Acid
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Perchloric Acid in Acetic Acid 0.1N 0.1M
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Perchloric Acid in Acetic Acid 0.1N 0.1M
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Perchloric Acid in Acetic Acid 0.1N 0.1M
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Perchloric Acid in Acetic Acid 0.5N 0.5M
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Perchloric Acid in Acetic Acid 0.5N 0.5M
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Lead (II) Acetate 0.05M
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Lead (II) Acetate 0.05M
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Lead (II) Acetate 0.5M
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Lead (II) Acetate 0.5M
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Crystal Violet Indicator, 0.1% (w/v) in Glacial Acetic Acid, for Nonaqueous Titrations
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Crystal Violet Indicator, 0.2% (w/v) in Glacial Acetic Acid, for Nonaqueous Titrations
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Crystal Violet Solution 1% in Glacial Acetic Acid
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Non-aqueous filling solution; 1mol/litre lithium chloride (LiCl), dissolv in acetic acid
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Saturated Sodium Perchlorate in Glacial Acetic Acid
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Acetic Acid
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1w/v% Crystal Violet Acetic Acid Solution
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0.2w/v% p- Naphtholbenzein Acetic Acid Solution
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0.1N sodium acetate in glacial acetic acid
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TBN Titration solvent-2:1 chlorobenzene and glacial acetic acid
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(S)-(-)-2-Methoxy-2-(trifiuoromethyl)phenylacetic Acid
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(R)-(+)-2-Methoxy-2-(trifluoromethyl)phenylacetic Acid
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Chromium(lll) Acetylacetonate
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4-Acetamido-TEMPO, free radical
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4-Acetamido-TEMPO, free radical
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Butyl Acetate
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Germanium H2O / Trace HF 1,000ug/mL
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Germanium H2O /Trace HF 1,000ug/mL
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Germanium H2O / Trace HF 1,000ug/mL
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Germanium H2O / Trace HF 10,000ug/mL
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Acetic Acid
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Acetic Acid
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Acetonitrile
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Ethyl Acetate
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Acetone, Spectrosol(R)
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Acetonitrile, Spectrosol(R)
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Acetonitrile
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Ethyl Acetate
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Acetonitrile, Luminasol(R)
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Acetanilide Standard
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Acetate in water 1000ppm
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Acetate 1mg/ml (1,000ppm)
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Acetate- 0.2mg/ml (200ppm)
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Acetate 100ppm in H2O
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Acetaldehyde
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Trace Elements in White Rice Flour Set(Cd Level I&II)
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Trace Elements in Tea Leaf Powder
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Trace Elements, Arsenobetaine anc jrcury in Swordfish Tissue
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Trace Elements and Arsenic Compounds in Seaweed (Hijiki)
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Trace Elements, Arsenobetaine and Methylmercury in Cod Fish Tissue
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Trace Elements in Lake Sediment
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Trace Elements in River Water (Elevated Level)
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Trace Elements in Marine Sediment
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Melting Point Standard Set Vanillin (81-83°C) Phenacetin (134-136°C)°Caffeine (235-237°C)
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Tributyltin(IV) Acetate
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N, N-Dimethylaceatamide
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N, N-Dimethylaceatamide
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Acetic Acid, CH3COOH, 20% v/v
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Mobile Phase Buffer pH 4.5 - Sodium Acetate Trihydrate
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Mobile Phase Buffer pH 4.5 - Sodium Acetate Trihydrate
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Zinc Acetate 10% w/v
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Sodium Acetate, 0.2M
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Sodium Acetate, 2M
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Acetonitrile, 50% v/v
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Lead Acetate Solution (CH COO) Pb, 10%
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APDC Butyl Acetate-Ethanol Reagent
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N-Acetyl-L-Cysteine,crystallizate
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N-Acetylneuraminic acid aldolase
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N-Acetylneuraminic acid aldolase
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Oxaloacetate Decarboxylase
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Acetate-CoA Ligase (Acetyl-CoA Synthetase),from yeast, lyophilizate
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Acetate-CoA Ligase (Acetyl-CoA Synthetase),from microorganism, lyophilizate
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Cholesterol Esterase, from Candida cylindracea, lyophilizate
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Cholesterol Esterase, from Candida cylindracea, solution
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CMP-N-Acetylneuraminic Acid,sodium salt
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UDP-N-Acetylglucosamine,disodium salt
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Ethyclozate metabolite (CIA:5-Chloro-3 (1H)-indazolacetate)
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ACE5599
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N-Chloroacetyl-2,6-diethylaniline
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Ethylene glycol bis (trichloroacetate)
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Presep(R) Diatomaceous Earth, Granular (Column Volume 15mL)
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Presep(R) Diatomaceous Earth, Granular (Column Volume 6ml)
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USP Solution Acetate Buffer TS Conforms to USP 34
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USP Solution Acetate Buffer TS Conforms to USP 34
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USP Solution Acetic Acid 2.00 Normal Conforms to USP 34
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USP Solution Acetic Acid 2.00 Normal Conforms to USP 34
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USP Solution Acetic Acid-Ammonium Acetate Buffer TS Conforms to USP 34
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USP Solution Acetic Acid-Ammonium Acetate Buffer TS Conforms to USP 34
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USP Solution Cupric Acetate TS Conforms to USP 34
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USP Solution Cupric Acetate TS Conforms to USP 34
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USP Solution Lead Acetate TS Conforms to USP 34
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USP Solution Lead Acetate TS Conforms to USP 34
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USP Solution Potassium Acetate TS Conforms to USP 34
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USP Solution Potassium Acetate TS Conforms to USP 34
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USP Solution Sodium Acetate TS Conforms to USP 34
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USP Solution Sodium Acetate TS Conforms to USP 34
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European Pharmacopoeia Reagent Acetic acid (30%)
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European Pharmacopoeia Reagent Acetic acid, Dilute (12%)
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European Pharmacopoeia Reagent Acetic anhydride Solution R1
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European Pharmacopoeia Reagent Lead acetate cotton
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European Pharmacopoeia Reagent Lead acetate paper
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European Pharmacopeoia Lead Acetate Solution
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European Pharmacopoeia Reagent Methoxyphenylacetic reagent
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European Pharmacopoeia Reagent Thioacetamide Solution
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European Pharmacopoeia Reagent Zinc acetate Solution
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European Pharmacopoeia Reagent Buffered acetone Solution
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European Pharmacopoeia Reagent Acetate Buffer Solution PH4.6
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6-Acetylcodeine,1.0mg/mL 于乙腈
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Acesulfame potassium impurity B
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Trace Elements in Water 標(biāo)準(zhǔn)物質(zhì)
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Androsterone 3-acetate,certified
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Corticosterone-21-acetate