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「西宝生物」专业代理Bioporto【过敏反应研究】产品
西宝生物专业代理并分销BioPorto品牌过敏反应研究如IgE、小鼠麦醇溶蛋白(Gliadin)的单克隆抗体。客服热线:400-021-8158。免疫反应是宿主为保护个体,免于外来异物入侵的保卫系统,但当此反应过当或不适当时,便造成过敏反应。[查看]
http://cxbio.com/Article/gmfyyjxbswzydlbiopor_1.html
N<font color='red'>AD</font>+或可阻断器官的老化进程
研究表明烟酰胺腺嘌呤二核苷酸(nicotinamide adenine dinucleotide,NAD+,辅酶I)可以增强机体的新陈代谢,近日一项刊登在Science上的研究论文中,来自瑞士洛桑联邦理工学院(EPFL)等机构的研究人员通过研究揭开了NAD+增强机体代谢的奥秘。[查看]
http://cxbio.com/Article/hkzdqgdlhjc_1.html
为什么新学到的单词会突然间频繁出现在生活中?
以前从未听说过的一个单词,当你学完以后,会在接下来的几天内频繁出现在你的日常生活中,感觉就像是这个单词在跟踪你,要不然怎么在学之前从没有见过呢?事实上,这叫做"Baader-Meinhof"效应,是大脑跟你玩的小把戏[查看]
http://cxbio.com/Article/wsmxxdddchtrjpfcxzsh_1.html
科学家认定一种病毒和两种细菌可能引起阿尔茨海默症(<font color='red'>AD</font>)
由31名阿兹海默症研究人员组成的国际团队发表论文敦促科学界是时候改变阿兹海默症成因研究的方向了。他们传达的信息十分明确:历经十年来对阿兹海默症防治的失利,现在应该重新考量阿兹海默症是通过微生物传播的证据了。[查看]
http://cxbio.com/Article/kxj_1.html
美国CRISPR的专利调查将如何上演?
3月10日,美国专利商标局(US Patent and Trademark Office,USPTO)将会围绕谁可以获得CRISPR–Cas9进行基因编辑的专利开展一项调查,而专利的干涉也将最终确定CRISPR技术未来将会给谁带来收益。[查看]
http://cxbio.com/Article/mgcrisprdzldcjrhsy_1.html
转基因鲑鱼发明者丘才良:申请FDA认证 要求严苛
美国食品与药物管理局去年11月19日宣布,一种名为“AquAdvantage Salmon”的转基因鲑鱼可供人类安全食用。这是FDA史上首次批准供食用的转基因动物,具有开先河之意义,但也正因其背后所牵涉的复杂问题,这项批准可说是一波三折,在美国乃至全世界的关注转基因食物人士中激起千层浪。 明知山有虎,偏向虎山行。对20年前发明转基因鲑鱼的丘才良教授来说,转基因动物面对比转基因植物更加严苛的审查,供人类食用的转基因动物若要“通关”更是难上加难,但他相信这[查看]
http://cxbio.com/Article/zjygyfmzqclsqfdarzyq_1.html
【化学试剂】5'-三磷酸腺苷二钠——化学试剂优选西宝生物
西宝生物提供5'-三磷酸腺苷二钠Adenosine-5’-triphosphate acid disodium salt (ATP-2Na, CAS:987-65-5)等化学试剂,客服热线:400-021-8158。5'-三磷酸腺苷二钠的主要用途为P2嘌呤能激动剂、增加Ca2+-激活的K+通道活性、依赖ATP的酶底物。[查看]
http://cxbio.com/Article/hxsj5slsxgenhxsjsxxb_1.html
新型Trinder’s试剂
西宝生物专业提供:新型Trinder’s试剂(TOOS,MADB,ADOS,HDAOS等),同时还提供4-AA(4-氨基安替比啉),辣根过氧化物酶等相关产品以及其他底物色原。具体请咨询:400-021-8158。Trinder’s试剂是高水溶性苯胺衍生物,被广泛用于诊断检测和生化试验。[查看]
http://cxbio.com/Article/trinderssj_1.html
两性离子缓冲液(Good’s 缓冲液)
西宝生物提供:两性离子缓冲液,即Good’s 缓冲液,包括MES, HEPES, MOPSO, PIPES, CAPS,CAPSO,ADA等,具体请咨询:400-021-8158。[查看]
http://cxbio.com/Article/lxlzhcygoodshcy_1.html
西宝生物2015年贵州游记第1篇 - 展望贵州 我心飞翔
喜大普奔,终于有机会逃离魔都了。   不用再被80-90的分贝震得魂不附体,不用在PM2.5值好几百的空气中,带着3M8512 N95口罩苦苦挣扎。哼着Stefanie的歌,我们终于要去《逃亡》。 虽然仅仅3天时间,但大西南山清水秀、歌声绕梁、小吃遍地,一想心都要飞了。贵州,我们就要来了。   西宝生物一年一度的旅游即将启程,小伙伴们,拍起来,发到群里,转发给朋友们,让更多的人分享你的快乐吧,让adrenaline喷得更猛烈些吧  [查看]
http://cxbio.com/Article/xbsw2015ngzyjd1pzwgz_1.html
黄体酮可提高乳腺癌患者的生存率
乳腺癌是一种常见的癌症。在澳洲,每八位女性中就有一位乳腺癌患者,而且,每天有七位乳腺癌患者死亡。在美国平均每年有18万5千位妇女患乳腺癌,并有4万4千人死于这种疾病。近日,来自澳洲Adelaide大学及英国剑桥的研究人员发现,介导女性性激素(雌激素ER和黄体酮)活性的受体是如何与DNA相互作用,从而抑制了大多数乳腺癌生长的。[查看]
http://cxbio.com/Article/httktgrxahzdscl_1.html
类泛素化E3连接酶调节小鼠造血功能
近日,来自美国的科学家在国际学术期刊cell death & differentiation在线发表了一项最新研究进展,他们发现ufm1连接系统的E3连接酶RCAD/Ufl1对于调节造血干细胞功能及小鼠造血发育具有重要调控作用。 Ufm1(ubiquitin-fold modifier1)连接系统是一种新的类泛素修饰系统,与其他的一些类泛素修饰系统具有类似的生化特征。Ufm1途径通过特异性的 E1(uba5),E2(ufc1),E3三种酶催化介导对靶蛋白对修饰,但关于E3连接酶的研究一直较少。 之前有研究报道[查看]
http://cxbio.com/Article/lfshe3ljmdjxszxgn_1.html
老年痴呆的早期生物标记物:嗅觉障碍
嗅球处神经纤维缠结是阿尔茨海默病(AD)的早期病理表现。为明确嗅觉障碍在预测未来认知功能下降与AD痴呆中的实用性,来自哥伦比亚大学的Devanand教授开展了一项前瞻性观察研究,证实嗅觉损害不仅可预测“健康”人群的认知受损,还能早期预测轻度认知功能下降(MCI)发展为AD痴呆的可能性,该研究发表在近期的Neurology杂志。 该研究在纽约北麦哈顿的一个多民族社区人群中进行,共纳入1037例认知功能正常的受试者。研究者采用宾夕法尼亚大学嗅觉鉴定试验(UPSIT)对受试者进行嗅觉测试,UPS[查看]
http://cxbio.com/Article/lncddzqswbjwxjza_1.html
生物医药大泡沫已吹起!
【新闻事件】:今天早晨百建艾迪宣布其阿尔茨海默(AD)药物,淀粉状蛋白抗体aducanumab(代号BIIB037)在一个一期临床实验中表现出色。根据不同测试方法,使用54周最高剂量aducanumab的病人比安慰剂组病人认知功能障碍恶化缓解70-80%,这远高于专家估计的20-30%缓解。虽然55%的ApoE4基因携带者(高危人群)使用最高剂量aducanumab有脑肿胀副作用,但百建艾迪股票还是飙升8%。自去年12月百建艾迪宣布aducanumab的积极疗效其市值已增加了350亿美元。 【药源解析】:前一段时[查看]
http://cxbio.com/Article/swyydpmycq_1.html
《科学》杂志刊登麝香保心丸研究成果
传统中药登上世界舞台 2015年1月16日,世界权威学术杂志之一——《科学》(Science)在其中医药专刊中对麝香保心丸的研究成果进行了专题报道[Science2015,347(6219sppl),S40,图]。 《Science》杂志是美国科学促进会(American Association for the Advancement of Science,AAAS)出版的一份学术期刊,为全世界最权威的学术期刊之一,其2013年的影响因子已超过30。《Science》杂志具有新闻杂志和学[查看]
http://cxbio.com/Article/kxzzkdsxbxwyjcg_1.html
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Glutamate Dehydrogenase (NAD(P)),from beef liver, solution
Glutamate Dehydrogenase (NAD(P)),from beef liver, solution
D-乳酸脱氢酶(D-LDH), Grade I
D-乳酸脱氢酶(D-LDH), Grade I
D-乳酸脱氢酶(D-LDH), Grade II
D-乳酸脱氢酶(D-LDH), Grade II
NAD(P)H Dehydrogenase (quinone) (Diaphorase),from pig heart, suspension
NAD(P)H Dehydrogenase (quinone) (Diaphorase),from pig heart, suspension
Liberase MTF C/T, GMP Grade,sterile filtered, lyophilizate
Liberase MTF C/T, GMP Grade,sterile filtered, lyophilizate
Liberase T-Flex, Research Grade,sterile filtered, lyophilizate
Liberase T-Flex, Research Grade,sterile filtered, lyophilizate
Endoproteinase Asp-N, Sequencing Grade,from a mutant of Pseudomonas fragi, lyophilizate
Endoproteinase Asp-N, Sequencing Grade,from a mutant of Pseudomonas fragi, lyophilizate
Endoproteinase Glu-C, Sequencing Grade,from Staphylococcus aureus V8, lyophilizate
Endoproteinase Glu-C, Sequencing Grade,from Staphylococcus aureus V8, lyophilizate
Endoproteinase Lys-C, Sequencing Grade,from Lysobacter enzymogenes, lyophilizate
Endoproteinase Lys-C, Sequencing Grade,from Lysobacter enzymogenes, lyophilizate
Endoproteinase Lys-C, Sequencing Grade,from Lysobacter enzymogenes, solution
Endoproteinase Lys-C, Sequencing Grade,from Lysobacter enzymogenes, solution
Glucose Dehydrogenase (NAD Dependent)
Glucose Dehydrogenase (NAD Dependent)
Glucose Oxidase (GOD), Grade I,from Aspergillus niger overproducer, lyophilizate
Glucose Oxidase (GOD), Grade I,from Aspergillus niger overproducer, lyophilizate
Glucose Oxidase (GOD), Grade II,from Aspergillus niger overproducer, lyophilizate
Glucose Oxidase (GOD), Grade II,from Aspergillus niger overproducer, lyophilizate
Lactate 2-Monooxygenase (Lactate oxidase), Grade I,from Aerococcus viridans, expressed in E. coli, lyophilizate
Lactate 2-Monooxygenase (Lactate oxidase), Grade I,from Aerococcus viridans, expressed in E. coli, lyophilizate
Lactate 2-Monooxygenase (Lactate oxidase), Grade II,from Aerococcus viridans, expressed in E. coli, lyophilizate
Lactate 2-Monooxygenase (Lactate oxidase), Grade II,from Aerococcus viridans, expressed in E. coli, lyophilizate
Peroxidase (POD), Grade II,from horse radish, lyophilizate
Peroxidase (POD), Grade II,from horse radish, lyophilizate
DADK嗪草酮标准品
DADK嗪草酮标准品
1-cis-3-Chloroallyl-3,5,7-triaza-1-azonia-adamantane chloride
1-cis-3-Chloroallyl-3,5,7-triaza-1-azonia-adamantane chloride
Oxadiargyl
Oxadiargyl
USP Solution Lead Acetate TS Conforms to USP 34
USP Solution Lead Acetate TS Conforms to USP 34
USP Solution Lead Acetate TS Conforms to USP 34
USP Solution Lead Acetate TS Conforms to USP 34
European Pharmacopoeia Reagent Lead acetate cotton
European Pharmacopoeia Reagent Lead acetate cotton
European Pharmacopoeia Reagent Lead acetate paper
European Pharmacopoeia Reagent Lead acetate paper
European Pharmacopeoia Lead Acetate Solution
European Pharmacopeoia Lead Acetate Solution
European Pharmacopoeia Reagent Molybdovanadic reagent
European Pharmacopoeia Reagent Molybdovanadic reagent
European Pharmacopoeia Reagent 0.1M Lead Nitrate
European Pharmacopoeia Reagent 0.1M Lead Nitrate
European Pharmacopoeia Reagent Concentrated to make Cadmium Standard sol. (0.1% Cd)
European Pharmacopoeia Reagent Concentrated to make Cadmium Standard sol. (0.1% Cd)
European Pharmacopoeia Lead Solution (0.1% Pb)
European Pharmacopoeia Lead Solution (0.1% Pb)
European Pharmacopoeia Reagent Concentrate to make Lead solution (100ppm Pb)
European Pharmacopoeia Reagent Concentrate to make Lead solution (100ppm Pb)
EDDP perchlorate (Methadone metabolite),100ug/mL (as pyrolinium) 于甲醇
EDDP perchlorate (Methadone metabolite),100ug/mL (as pyrolinium) 于甲醇
EDDP perchlorate (Methadone metabolite),1.0mg/mL (as pyrrolinium) 于甲醇
EDDP perchlorate (Methadone metabolite),1.0mg/mL (as pyrrolinium) 于甲醇
Loratadine impurity F
Loratadine impurity F
氧化铝 (Reduction Grade) 标准物质
氧化铝 (Reduction Grade) 标准物质
MAB<HCG>M-INN22-IgG Human chorionic gonadotropin b-chain
MABM-INN22-IgG Human chorionic gonadotropin b-chain