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美國 Chromadex 公司于1999年在加拿大成立,主要生產植物化學/中草藥對照品以及標準材料,是植物參考標準的創造以及植物化學物質的產品和服務的供應商,西寶生物供應.[查看]
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http://m.baichuan365.com/Article/mgchromadexzcydzpyxb_1.html
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西寶生物專業代理并分銷BioPorto品牌過敏反應研究如IgE、小鼠麥醇溶蛋白(Gliadin)的單克隆抗體??头峋€:400-021-8158。免疫反應是宿主為保護個體,免于外來異物入侵的保衛系統,但當此反應過當或不適當時,便造成過敏反應。[查看]
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http://m.baichuan365.com/Article/gmfyyjxbswzydlbiopor_1.html
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研究表明煙酰胺腺嘌呤二核苷酸(nicotinamide adenine dinucleotide,NAD+,輔酶I)可以增強機體的新陳代謝,近日一項刊登在Science上的研究論文中,來自瑞士洛桑聯邦理工學院(EPFL)等機構的研究人員通過研究揭開了NAD+增強機體代謝的奧秘。[查看]
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http://m.baichuan365.com/Article/hkzdqgdlhjc_1.html
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以前從未聽說過的一個單詞,當你學完以后,會在接下來的幾天內頻繁出現在你的日常生活中,感覺就像是這個單詞在跟蹤你,要不然怎么在學之前從沒有見過呢?事實上,這叫做"Baader-Meinhof"效應,是大腦跟你玩的小把戲[查看]
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http://m.baichuan365.com/Article/wsmxxdddchtrjpfcxzsh_1.html
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由31名阿茲海默癥研究人員組成的國際團隊發表論文敦促科學界是時候改變阿茲海默癥成因研究的方向了。他們傳達的信息十分明確:歷經十年來對阿茲海默癥防治的失利,現在應該重新考量阿茲海默癥是通過微生物傳播的證據了。[查看]
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http://m.baichuan365.com/Article/kxj_1.html
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3月10日,美國專利商標局(US Patent and Trademark Office,USPTO)將會圍繞誰可以獲得CRISPR–Cas9進行基因編輯的專利開展一項調查,而專利的干涉也將最終確定CRISPR技術未來將會給誰帶來收益。[查看]
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http://m.baichuan365.com/Article/mgcrisprdzldcjrhsy_1.html
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美國食品與藥物管理局去年11月19日宣布,一種名為“AquAdvantage Salmon”的轉基因鮭魚可供人類安全食用。這是FDA史上首次批準供食用的轉基因動物,具有開先河之意義,但也正因其背后所牽涉的復雜問題,這項批準可說是一波三折,在美國乃至全世界的關注轉基因食物人士中激起千層浪。
明知山有虎,偏向虎山行。對20年前發明轉基因鮭魚的丘才良教授來說,轉基因動物面對比轉基因植物更加嚴苛的審查,供人類食用的轉基因動物若要“通關”更是難上加難,但他相信這[查看]
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http://m.baichuan365.com/Article/zjygyfmzqclsqfdarzyq_1.html
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西寶生物提供5'-三磷酸腺苷二鈉Adenosine-5’-triphosphate acid disodium salt (ATP-2Na, CAS:987-65-5)等化學試劑,客服熱線:400-021-8158。5'-三磷酸腺苷二鈉的主要用途為P2嘌呤能激動劑、增加Ca2+-激活的K+通道活性、依賴ATP的酶底物。[查看]
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http://m.baichuan365.com/Article/hxsj5slsxgenhxsjsxxb_1.html
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西寶生物專業提供:新型Trinder’s試劑(TOOS,MADB,ADOS,HDAOS等),同時還提供4-AA(4-氨基安替比啉),辣根過氧化物酶等相關產品以及其他底物色原。具體請咨詢:400-021-8158。Trinder’s試劑是高水溶性苯胺衍生物,被廣泛用于診斷檢測和生化試驗。[查看]
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http://m.baichuan365.com/Article/trinderssj_1.html
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西寶生物提供:兩性離子緩沖液,即Good’s 緩沖液,包括MES, HEPES, MOPSO, PIPES, CAPS,CAPSO,ADA等,具體請咨詢:400-021-8158。[查看]
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http://m.baichuan365.com/Article/lxlzhcygoodshcy_1.html
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喜大普奔,終于有機會逃離魔都了。
不用再被80-90的分貝震得魂不附體,不用在PM2.5值好幾百的空氣中,帶著3M8512 N95口罩苦苦掙扎。哼著Stefanie的歌,我們終于要去《逃亡》。
雖然僅僅3天時間,但大西南山清水秀、歌聲繞梁、小吃遍地,一想心都要飛了。貴州,我們就要來了。
西寶生物一年一度的旅游即將啟程,小伙伴們,拍起來,發到群里,轉發給朋友們,讓更多的人分享你的快樂吧,讓adrenaline噴得更猛烈些吧
[查看]
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http://m.baichuan365.com/Article/xbsw2015ngzyjd1pzwgz_1.html
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乳腺癌是一種常見的癌癥。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。在美國平均每年有18萬5千位婦女患乳腺癌,并有4萬4千人死于這種疾病。近日,來自澳洲Adelaide大學及英國劍橋的研究人員發現,介導女性性激素(雌激素ER和黃體酮)活性的受體是如何與DNA相互作用,從而抑制了大多數乳腺癌生長的。[查看]
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http://m.baichuan365.com/Article/httktgrxahzdscl_1.html
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近日,來自美國的科學家在國際學術期刊cell death & differentiation在線發表了一項最新研究進展,他們發現ufm1連接系統的E3連接酶RCAD/Ufl1對于調節造血干細胞功能及小鼠造血發育具有重要調控作用。
Ufm1(ubiquitin-fold modifier1)連接系統是一種新的類泛素修飾系統,與其他的一些類泛素修飾系統具有類似的生化特征。Ufm1途徑通過特異性的 E1(uba5),E2(ufc1),E3三種酶催化介導對靶蛋白對修飾,但關于E3連接酶的研究一直較少。
之前有研究報道[查看]
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http://m.baichuan365.com/Article/lfshe3ljmdjxszxgn_1.html
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嗅球處神經纖維纏結是阿爾茨海默?。?font color='red'>AD)的早期病理表現。為明確嗅覺障礙在預測未來認知功能下降與AD癡呆中的實用性,來自哥倫比亞大學的Devanand教授開展了一項前瞻性觀察研究,證實嗅覺損害不僅可預測“健康”人群的認知受損,還能早期預測輕度認知功能下降(MCI)發展為AD癡呆的可能性,該研究發表在近期的Neurology雜志。
該研究在紐約北麥哈頓的一個多民族社區人群中進行,共納入1037例認知功能正常的受試者。研究者采用賓夕法尼亞大學嗅覺鑒定試驗(UPSIT)對受試者進行嗅覺測試,UPS[查看]
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http://m.baichuan365.com/Article/lncddzqswbjwxjza_1.html
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【新聞事件】:今天早晨百建艾迪宣布其阿爾茨海默(AD)藥物,淀粉狀蛋白抗體aducanumab(代號BIIB037)在一個一期臨床實驗中表現出色。根據不同測試方法,使用54周最高劑量aducanumab的病人比安慰劑組病人認知功能障礙惡化緩解70-80%,這遠高于專家估計的20-30%緩解。雖然55%的ApoE4基因攜帶者(高危人群)使用最高劑量aducanumab有腦腫脹副作用,但百建艾迪股票還是飆升8%。自去年12月百建艾迪宣布aducanumab的積極療效其市值已增加了350億美元。
【藥源解析】:前一段時[查看]
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http://m.baichuan365.com/Article/swyydpmycq_1.html
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Fluorospark 激酶/ADP 多重檢測試劑盒
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Adipocyte FABP Human ELISA, 人脂肪細胞型脂肪酸結合蛋白Elisa
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-
Adiponectin Porcine Elisa 豬脂肪連接蛋白Elisa
-

-
Presep(R) Cylinder Adapter
-

-
Presep(R) Cock Adapter Packing
-

-
Presep(R) Column Adapter
-

-
Presep(R) Cylinder Adapter
-

-
Presep(R) Column Adapter Packing
-

-
Presep(R) Cock Adapter
-

-
Presep(R) Column Adapter (TS19/38) (PTFE)
-

-
Presep(R) Column Adapter
-

-
Presep(R) Cock Adapter
-

-
5’-腺苷二磷酸二鈉鹽|ADP.2Na|16178-48-6|Adenosine 5-diphosphate disodium salt
-

-
Adenosine-5'-O-(2-thiodiphosphate),trilithium salt
-

-
Adenosine-5'-O-(3-thiotriphosphate),tetralithium salt
-

-
ADP,potassium salt
-

-
ADP,disodium salt
-

-
ADP for potassium test,free acid
-

-
ATP, Grade I,disodium salt
-

-
ATP, Grade II,disodium salt
-

-
ADP2Na;腺苷-5'-二磷酸二鈉鹽
-

-
Alkaline Phosphatase, EIA Grade,from calf intestine, solution
-

-
β-Galactosidase, recombinant, EIA Grade,from E. coli overproducer, lyophilizate
-

-
Peroxidase (POD), EIA Grade,from horseradish, lyophilizate
-

-
Peroxidase (POD), Grade I,from horseradish, lyophilizate
-

-
Poly Peroxidase (Poly POD), EIA Grade,from horseradish, lyophilizate
-

-
辣根過氧化物酶(Horseradish Peroxidase,HRP)
-

-
Coenzyme A, Grade I,free acid
-

-
Coenzyme A, Grade I,trilithium salt
-

-
Coenzyme A, Grade II,trilithium salt
-

-
FAD,disodium salt
-

-
NAD, Grade I,free acid
-

-
NADH, Grade I,disodium salt
-

-
NADH, Grade II,disodium salt
-

-
NADH, Grade II,for potassium test, disodium salt
-

-
NADP,disodium salt
-

-
NADP,monopotassium salt
-

-
NADPH,tetrasodium salt
-

-
Thio-NAD,free acid
-

-
NADH, Grade I(試劑級)
-

-
NADH, Grade II(食品級)
-

-
NADP-2Na,Grade I(醫藥級)
-

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復合酶保護劑ADP
-

-
ADA|N-(2-乙酰胺基)-2-亞氨基二乙酸
-

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5-Bromo-5-Nitro-1,3-Dioxane (BND),Grade I, crystalline powder
-

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5-Bromo-5-Nitro-1,3-Dioxane (BND),Grade II, crystalline powder
-

-
Eosin Y TS, 0.5% (w/v) Aqueous Solution, Adsorption Indicator for Argentometric Titrations
-

-
Lead 2.5M NaNO3
-

-
Lead 1000ppm
-

-
Analytical Grade Water
-

-
Analytical Grade Water
-

-
4-Hydroxy-TEMPO Benzoate, free radical
-

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4-Oxo-TEMPO,free radical
-

-
4-Acetamido-TEMPO, free radical
-

-
4-Acetamido-TEMPO, free radical
-

-
4-Hydroxy-TEMPO Benzoate, free radical
-

-
4-Oxo-TEMPO,free radical
-

-
4-Methoxy-TEMPO, free radical, 98+%
-

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4-Methoxy-TEMPO, free radical, 98+%
-

-
Palladium(II) Nitrate Solution
-

-
Gadolinium Standard Solution(Gd: 1,000mg/l)
-

-
Lead Standard Solution(Pb: 1,000mg/l)
-

-
Lead Standard Solution(Pb: 100mg/l)
-

-
Palladium Standard Solution
-

-
Vanadium Standard Solution(V 1000)
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Gadolinium 1M HCl 1000ppm
-

-
Gadolinium 1M HCl 10000ppm
-

-
Lead Standard 1000ppm in 0.5M HNO3
-

-
Lead Standard 10000ppm in 0.5M HNO3
-

-
Palladium Standard 1M HCl 1000ppm
-

-
Palladium Standard 1M HCl 10000ppm
-

-
Palladium nitrate
-

-
Palladium nitrate
-

-
Palladium nitrate
-

-
Palladium nitrate
-

-
Palladium nitrate
-

-
Palladium nitrate
-

-
Vanadium Standard 1000ppm in 0.5M HNO3
-

-
Vanadium Standard 10000ppm in 0.5M HNO3
-

-
Gadolinium 2-5% HNO3 (v/v) 100ug/mL
-

-
Gadolinium 2-5% HNO3 1,000ug/mL
-

-
Gadolinium 2-5% HNO3 1,000ug/mL
-

-
Gadolinium 2-5% HNO3 (v/v) 1,000ug/mL
-

-
Gadolinium 2-5% HNO3 (v/v) 10,000ug/mL
-

-
Gadolinium 2-5% HNO3 10,000ug/mL
-

-
Lead 2-5% HNO3 100ug/mL
-

-
Lead 2-5% HNO3 1,000ug/mL
-

-
Lead 2-5% HNO3 1,000ug/mL
-

-
Lead 1000ppm in 2% HNO3
-

-
Lead 2 - 5% HNO3 (v/v) 10,000ug/mL
-

-
Palladium 100ppm in 5% HCl
-

-
Palladium 1,000ug/mL in 5% HCl
-

-
Palladium 1,000ug/mL in 5% HCl
-

-
Palladium 5% HCl (v/v) 1000ug/mL
-

-
Palladium 10,000ug/mL in 5% HCl
-

-
Vanadium 2-5% HNO3 (v/v) 100ug/mL
-

-
Vanadium 2% HNO3 1,000ug/mL
-

-
Vanadium 2% HNO3 1,000ug/mL
-

-
Vanadium 2% HCl 1,000ug/mL
-

-
Vanadium 2-5% HNO3 (v/v) 1000ug/mL
-

-
Vanadium 2-5% HNO3 (v/v) 10000ug/mL
-

-
Vanadium 15% HNO3 10,000ug/mL
-

-
Vanadium 15% HCl 10,000ug/mL
-

-
Silver Vanadate
-

-
Lead in 0.005% HNO3 1000ppm
-

-
Lead in 0.005% HNO31000ppm
-

-
Lead in 0.005% HNO3 1000ppm
-

-
Lead-Free Solder Chip(Sn96.5 Ag3 Cu0.5)-Pb High Concentration
-

-
n-Octadecyl 3-(3',5'-Di-t-butyl-4'-hydroxyphenyl)propionate Standard
-

-
Lead Acetate Solution (CH COO) Pb, 10%
-

-
Advanced ERK phospho-T202 /Y204 kit - 1 x 96 tests
-

-
Di(adenosine-5'-)penta-phosphate,trilithium salt
-

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Zwittergent 3-14,zwitterionic detergent, powder, N-Tetradecyl-N,N-dimethyl-3-ammonio-1-propane-sulfonate
-

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氧化型輔酶I|煙酰胺腺嘌呤二核苷酸|53-84-9| β-NAD
-

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Glucose dehydrogenase (NAD(P)-dependent)
-

-
Glutamate dehydrogenase(NADP dependent)
-

-
Glutamate dehydrogenase (NAD dependent)
-

-
Glutamate dehydrogenase (NADP dependent)
-

-
ADP-dependent Hexokinase
-

-
ADP-dependent Hexokinase
-

-
Diaphorase (NADH)
-

-
Diaphorase (NADPH)
-

-
NAD Synthetase
-

-
Adenosine Deaminase,from calf intestine, suspension
-

-
Glutamate Dehydrogenase (NAD(P)),from E.coli overproducer, lyophilizate
-

-
Glutamate Dehydrogenase (NAD(P)),from beef liver, lyophilizate
-

-
Glutamate Dehydrogenase (NAD(P)),from beef liver, chemically modified, lyophilizate
-

-
Glutamate Dehydrogenase (NAD(P)),from beef liver, solution
-

-
D-乳酸脫氫酶(D-LDH), Grade I
-

-
D-乳酸脫氫酶(D-LDH), Grade II
-

-
NAD(P)H Dehydrogenase (quinone) (Diaphorase),from pig heart, suspension
-

-
Liberase MTF C/T, GMP 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 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, solution
-

-
Glucose Dehydrogenase (NAD Dependent)
-

-
Glucose Oxidase (GOD), Grade I,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 II,from Aerococcus viridans, expressed in E. coli, lyophilizate
-

-
Peroxidase (POD), Grade II,from horse radish, lyophilizate
-

-
DADK嗪草酮標準品
-

-
1-cis-3-Chloroallyl-3,5,7-triaza-1-azonia-adamantane chloride
-

-
Oxadiargyl
-

-
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 paper
-

-
European Pharmacopeoia Lead Acetate Solution
-

-
European Pharmacopoeia Reagent Molybdovanadic reagent
-

-
European Pharmacopoeia Reagent 0.1M Lead Nitrate
-

-
European Pharmacopoeia Reagent Concentrated to make Cadmium Standard sol. (0.1% Cd)
-

-
European Pharmacopoeia Lead Solution (0.1% 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),1.0mg/mL (as pyrrolinium) 于甲醇
-

-
Loratadine impurity F
-

-
氧化鋁 (Reduction Grade) 標準物質
-

-
MABM-INN22-IgG Human chorionic gonadotropin b-chain