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    • 2. 发明申请
    • Detection of biological molecules using THz absorption spectroscopy
    • 使用THz吸收光谱法检测生物分子
    • US20080014580A1
    • 2008-01-17
    • US10827974
    • 2004-04-19
    • Robert R. AlfanoBaolong YuYuanlong Yang
    • Robert R. AlfanoBaolong YuYuanlong Yang
    • C12Q1/68G01N21/00
    • G01N21/3586
    • A method and apparatus of detecting biological molecules, the method including the steps of: performing Terahertz (THz) absorption spectroscopy, performed in a first frequency range of 0.2 to 2.2 THz (10-79.2 cm−1), on at least one sample including a substance comprising the biological molecules, the substance being selected from at least one of tryptophan, albumin bovine, DNA, nucleotides, bacillus subtilis, spore, and DPA; calculating a frequency-dependent absorption value of biological molecules; performing THz absorption spectroscopy on at least one reference substance; detecting the substance through the frequency-dependent absorption value by comparison of absorption peaks; and outputting information proving existence of the substance in the sample. The method further creates a library of known THz frequency modes on spectra to identify the presence of unknown substance in biological and chemical composite media.
    • 一种检测生物分子的方法和装置,所述方法包括以下步骤:在至少一个样品上进行在0.2至2.2THz(10-79.2cm-1)的第一频率范围内执行的太赫兹(THz)吸收光谱,包括 包含生物分子的物质,该物质选自色氨酸,白蛋白牛,DNA,核苷酸,枯草杆菌,孢子和DPA中的至少一种; 计算生物分子的频率依赖吸收值; 对至少一种参考物质进行太赫兹吸收光谱; 通过吸收峰的比较通过频率依赖吸收值检测物质; 并输出证明样品中物质存在的信息。 该方法进一步在光谱上创建已知的THz频率模式的文库,以识别生物和化学复合介质中未知物质的存在。
    • 8. 发明授权
    • Detecting human cancer through spectral optical imaging using key water absorption wavelengths
    • 通过使用关键吸水波长的光谱成像检测人类癌症
    • US07706862B2
    • 2010-04-27
    • US10926556
    • 2004-08-26
    • Robert R. AlfanoJamal H. AliWubao WangManuel Zevallos
    • Robert R. AlfanoJamal H. AliWubao WangManuel Zevallos
    • A61B6/00A61B5/00
    • A61B5/0059A61B5/415A61B5/4381A61B5/7264
    • Spectral optical imaging at one or more key water absorption fingerprint wavelengths measures the difference in water content between a region of cancerous or precancerous tissue and a region of normal tissue. Water content is an important diagnostic parameter because cancerous and precancerous tissues have different water content than normal tissues. Key water absorption wavelengths include at least one of 980 nanometers (nm), 1195 nm, 1456 nm, 1944 nm, 2880 nm to 3360 nm, and 4720 nm. In the range of 400 nm to 6000 nm, one or more points of negligible water absorption are used as reference points for a comparison with one or more key neighboring water absorption wavelengths. Different images are generated using at least two wavelengths, including a water absorption wavelength and a negligible water absorption wavelength, to yield diagnostic information relevant for classifying a tissue region as cancerous, precancerous, or normal. The results of this comparison can be used to identify regions of cancerous tissue in organs such as the breast, cervix and prostate.
    • 一个或多个关键的吸水指纹波长的光谱成像测量癌变或癌前组织区域与正常组织区域之间的含水量差异。 水含量是重要的诊断参数,因为癌和癌前组织的含水量比正常组织水分含量高。 关键的吸水波长包括980纳米(nm),1195nm,1456nm,1944nm,2880nm至3360nm和4720nm中的至少一个。 在400nm至6000nm的范围内,使用可忽略的吸水点的一个或多个点作为与一个或多个关键相邻吸水波长的比较的参考点。 使用包括吸水波长和可忽略的吸水波长的至少两个波长产生不同的图像,以产生与将癌组织区域分类为癌,癌前或正常相关的诊断信息。 该比较的结果可以用于识别器官如乳腺,子宫颈和前列腺中癌组织的区域。