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最新新聞 / News More

2019 - 03 - 08

1 月 28 日，國(guó)際學(xué)術(shù)期刊 Circulation Research 在線發(fā)表了中國(guó)科學(xué)院上海營(yíng)養(yǎng)與健康研究所宗耕課題組與哈佛大學(xué)公共衛(wèi)生學(xué)院營(yíng)養(yǎng)系合作的最新研究成果 “Associations of Monounsaturated Fatty Acids from Plant and Animal Sources with Total and Cause-Specific Mortality in Two US Prospective Cohort Studies”。該研究發(fā)現(xiàn)較高的植物來源單不飽和脂肪酸（MUFA-Ps）攝入量與較低的總死亡率相關(guān)，而動(dòng)物來源單不飽和脂肪酸（MUFA-As）的攝入則與較高死亡率相關(guān)。另外，用植物來源單不飽和脂肪酸替代飽和脂肪酸（SFAs）、精加工的碳水化合物或反式脂肪可以顯著降低死亡風(fēng)險(xiǎn)。在全球范圍內(nèi)，心血管疾?。–VD）和癌癥是造成過早死亡的最主要原因。目前，越來越多的研究表明采取健康的生活方式（如戒煙、增加體力活動(dòng)和提高膳食質(zhì)量等）能夠有效降低過早死亡的風(fēng)險(xiǎn)。多個(gè)國(guó)家的膳食指南均強(qiáng)調(diào)了膳食脂肪的質(zhì)量對(duì)預(yù)防慢性疾病的重要性，尤其提倡植物油及其他植物來源的脂肪攝入。例如，膳食中的多不飽和脂肪酸（PUFAs）主要來自植物，而現(xiàn)有的研究表明 PUFAs 能夠降低心血管疾病風(fēng)險(xiǎn)和死亡率的關(guān)系。與之相比，飲食中的單不飽和脂肪酸只有一半來自植物油（尤其...

兩種療法可有效對(duì)抗埃博拉疫情

2019 - 07 - 05

據(jù)新華社電美國(guó)疾病控制和預(yù)防中心研究團(tuán)隊(duì)發(fā)現(xiàn)，正在剛果（金）使用的兩種試驗(yàn)性療法對(duì)抗擊當(dāng)前的埃博拉疫情有效。7 月 9 日發(fā)表在英國(guó)《柳葉刀—傳染病》雜志上的研究顯示，在實(shí)驗(yàn)室中，抗病毒藥物 Remdesivir，以及由三種抗體組成的抗埃博拉藥物 ZMapp 可阻斷新一輪埃博拉疫情的致病毒株在人類細(xì)胞中增長(zhǎng)。確認(rèn)抗病毒藥物有效的關(guān)鍵之一在于找到此次疫情的致病毒株。論文第一作者、美疾控中心微生物學(xué)家勞拉 · 麥克馬倫說，目前在剛果（金）試用的療法均針對(duì)以前疫情中獲取的埃博拉毒株，而埃博拉是一種核糖核酸（RNA）病毒，會(huì)不斷變異，因此確定現(xiàn)有療法是否對(duì)新毒株奏效至關(guān)重要。美疾控中心研究人員沒有當(dāng)前在剛果（金）傳播的 “伊圖里” 毒株樣本，但他們從開源基因庫中獲得病毒序列數(shù)據(jù)，使用 “反向遺傳學(xué)” 技術(shù)重組了毒株。這項(xiàng)技術(shù)有助于研究人員更多了解新毒株在埃博拉家族樹中的位置，從而尋找更多潛在療法，并測(cè)試各類新療法的有效性，還可與未來的新毒株進(jìn)行比對(duì)。研究中還發(fā)現(xiàn)，2014 年到 2016 年西非多國(guó)爆發(fā)埃博拉疫情期間開發(fā)的一種實(shí)驗(yàn)室病毒診斷方法可用于診斷 “伊圖里” 毒株。（周舟）文章摘自：生物360

JAMA：多吃農(nóng)產(chǎn)品可以治療前列腺癌嗎？

2020 - 02 - 21

2020年2月16日訊 /生物谷BIOON /--國(guó)家指南建議前列腺癌患者多吃蔬菜，這可能會(huì)減少癌癥的進(jìn)展和死亡。但在一項(xiàng)III期隨機(jī)臨床試驗(yàn)中，前列腺癌患者被指定每天吃7份或更多的蔬菜和水果，卻沒有發(fā)現(xiàn)額外的微量營(yíng)養(yǎng)元素?cái)z入的保護(hù)作用。'這些數(shù)據(jù)表明，盡管科學(xué)和公眾輿論普遍認(rèn)為需要吃蔬菜，但多吃蔬菜缺確實(shí)不會(huì)改變前列腺癌的病程。據(jù)我們所知，它不會(huì)抑制或治愈它。然而，雖然多吃水果和蔬菜的健康飲食和多做運(yùn)動(dòng)不一定能治愈癌癥，但它可能使身體更強(qiáng)壯、更健康，這可能有助于患者忍受癌癥治療。'圖片來源：Wikipedia這項(xiàng)研究近日發(fā)表在《Journal of the American Medical Association》上，，由加州大學(xué)圣地亞哥分校Moores癌癥中心和Roswell Park綜合癌癥中心的研究人員完成，招收了478名年齡在50到80歲男性。這些患者被診斷為早期前列腺腺癌，并參與了一個(gè)積極的監(jiān)測(cè)項(xiàng)目，在該項(xiàng)目中，患者推遲立即治療，直到病情惡化?；颊弑浑S機(jī)分為兩組，一組接受關(guān)于飲食和前列腺癌的書面信息，另一組接受電話咨詢的行為干預(yù)項(xiàng)目，該項(xiàng)目鼓勵(lì)參與者食用類胡蘿卜素含量高的食物，如綠葉蔬菜、胡蘿卜和西紅柿，以及十字花科蔬菜，如西蘭花和卷心菜。兩組都接受了兩年的監(jiān)測(cè)。被分配到干預(yù)組的患者增加了水果和蔬菜的攝入量，達(dá)到了有統(tǒng)計(jì)學(xué)意義的程度，明顯多于對(duì)照組患者。...

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產(chǎn)品名稱： EVOS? 50X Oil Objective, achromat, coverslip-corrected

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時(shí)間： 2019 - 04 - 15

描述This achromat objective is ideal for general applications. This is a coverslip-corrected objective that is optimized for imaging through #1.5 coverslips. All EVOS® objectives offer outstanding optical performance from visible light to near infrared light. The extensive choice of objectives satisfies needs across the spectrum of magnifications and optical specifications.Additional characteristics of this EVOS® objective:? Magnification: 50X? Numerical Aperture: 0.95? Working Distance:...

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產(chǎn)品名稱： EVOS? M7000 Imaging System

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時(shí)間： 2019 - 04 - 15

描述The EVOS M7000 Imaging System is a high-performance, fully automated, inverted, multi-channel fluorescence and transmitted light imaging system. It was developed to meet today’s expectations for image quality, user interface interactions, data generation speed and flexibility, and end-user value. The powerful and time-saving acquisition tools with enhanced autofocus algorithms and automated routines for microwell plate assays, time-lapse live cell imaging, area scanning in time lapse and Z-sta...

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產(chǎn)品名稱： EVOS? FL Imaging System

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時(shí)間： 2019 - 04 - 15

描述The EVOS® FL Imaging System is a fully integrated, digital, inverted imaging system for four-color fluorescence and transmitted-light applications. It is powerful, yet easy-to-use and delivers high-definition images with exceptional convenience. The unique light cubes, sensitive camera, and precision-engineered optical system make the EVOS® FL system ideal for both demanding and routine fluorescence imaging applications.The EVOS® FL Imaging System offers you these important ad...

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產(chǎn)品名稱： EVOS? Onstage Master Plate

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時(shí)間： 2019 - 04 - 15

描述The EVOS® Onstage Master Plate is part of the EVOS® Onstage Incubator and holds the EVOS® Onstage Vessel Holder. The EVOS® Onstage Incubator is an environmental chamber designed specifically for use with the EVOS® FL Auto Imaging System. This master plate plus vessel holder design, with vessel holders available that accommodate various types of cell culture vessels, provides flexibility in your approach to extended time-lapse imaging experiments under precisely co...

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產(chǎn)品名稱： EVOS? Onstage Vessel Holder, two 25-mL flasks

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時(shí)間： 2019 - 04 - 15

描述EVOS® Onstage vessel holders maximize your choice of cell culture vessels when conducting time-lapse imaging experiments using the EVOS® FL Auto Imaging System equipped with an EVOS® Onstage Incubator. EVOS® Onstage vessel holders allow a perfect fit of your micro-well plates or cell culture flasks/dishes to the master plate of the EVOS® Onstage Incubator for increased precision in sample alignment. This particular vessel holder accommodates two 25-mL T-flasks. With ...

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產(chǎn)品名稱： EVOS? Onstage Vessel Holder, multi-well plates

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時(shí)間： 2019 - 04 - 15

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產(chǎn)品名稱： EVOS? Vessel Holder for Automated Stage, two 25 x 75 mm slides

型號(hào)：

時(shí)間： 2019 - 04 - 15

描述EVOS® vessel holders allow a perfect fit of your microscope slide, cell culture flask or dish, or micro-well plate to the stage of the EVOS® imaging systems for increased precision in sample alignment. This particular vessel holder securely holds two 25 x 75 mm standard or chamber microscope slides and is specific for the automated stage of the EVOS® FL Auto Imaging System. It is just one of many easy-to-change vessel holders and stage plates available for this instrument plat...

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產(chǎn)品名稱： EVOS?Vessel Holder, Greiner/BD T-25 flask

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時(shí)間： 2019 - 04 - 15

描述EVOS® vessel holders allow a perfect fit of your microscope slide, cell culture flask or dish, or micro-well plate to the stage of the EVOS® imaging systems for increased precision in sample alignment. This particular vessel holder accommodates one Greiner/BD T-25 flask. It is just one of many easy-to-change vessel holders and stage plates available for this instrument platform. With a snug and secure fit, yet readily switched, these accessories make imaging samples in a range of ...

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產(chǎn)品名稱： EVOS? Vessel Holder, universal

型號(hào)：

時(shí)間： 2019 - 04 - 15

描述EVOS® vessel holders allow a perfect fit of your microscope slide, cell culture flask or dish, or micro-well plate to the stage of the EVOS® imaging systems for increased precision in sample alignment. This particular vessel holder has a 25.4 mm opening and accommodates most vessel types. It is just one of many easy-to-change vessel holders and stage plates available for this instrument platform. With a snug and secure fit, yet readily switched, these accessories make imaging samp...

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產(chǎn)品名稱： EVOS? Vessel Holder, Greiner T-75 flask

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時(shí)間： 2019 - 04 - 15

描述EVOS® vessel holders allow a perfect fit of your microscope slide, cell culture flask or dish, or micro-well plate to the stage of the EVOS® imaging systems for increased precision in sample alignment. This particular vessel holder accommodates one Greiner T-75 flask. It is just one of many easy-to-change vessel holders and stage plates available for this instrument platform. With a snug and secure fit, yet readily switched, these accessories make imaging samples in a range of ves...

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產(chǎn)品名稱： EVOS? Vessel Holder, Hemocytometer

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時(shí)間： 2019 - 04 - 15

描述EVOS® vessel holders allow a perfect fit of your microscope slide, cell culture flask or dish, or micro-well plate to the stage of the EVOS® imaging systems for increased precision in sample alignment. This particular vessel holder accommodates a hemocytometer. It is just one of many easy-to-change vessel holders and stage plates available for this instrument platform. With a snug and secure fit, yet readily switched, these accessories make imaging samples in a range of vessel hol...

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產(chǎn)品名稱： EVOS? Vessel Holder, Nunc? T-75 flask

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時(shí)間： 2019 - 04 - 15

描述EVOS® vessel holders allow a perfect fit of your microscope slide, cell culture flask or dish, or micro-well plate to the stage of the EVOS® imaging systems for increased precision in sample alignment. This particular vessel holder accommodates one Nunc® T-75 flask. It is just one of many easy-to-change vessel holders and stage plates available for this instrument platform. With a snug and secure fit, yet readily switched, these accessories make imaging samples in a range of ...

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