化学鉴别
- 网络chemical identification
![化学鉴别](../cache/1188838.jpg)
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结论HPLC-PDA分析是新药筛选中早期化学鉴别很好的手段。
CONCLUSION The method of HPLC-PDA analysis is useful for initial chemical identification during the course of screening for new drugs .
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方法采用化学鉴别、紫外吸收光谱与高效液相色谱法对四个不同厂家生产的4批样品进行定性、定量分析。
Methods : The four samples from different manufacturers were analyzed qualitatively and quantitatively by means of chemical identification , UV and HPLC .
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原发性IgA肾病与非IgA肾病生物化学鉴别诊断方法探索
Exploring of Differential Diagnostic Methods for Primary IgA Nephropathy and Non-IgA Nephropathy with Biochemical Marker 's Assistance
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方法:通过抑菌作用实验,小鼠的急性毒性实验,小鼠耳急性炎症实验,巯基的化学鉴别和薄层层析,研究二巯丙磺钠对ET的化学性拮抗作用。
METHODS : Experiments of antibacterial action , acute toxicity on mice , acute inflammation on ears of mice , sulfhydryl groups detection and thin_layer chromatography were made to study the chemical antagonism of Na_DMPS on ET.
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用免疫细胞化学鉴别胸腹水脱落细胞在肿瘤诊断中的价值
Value of Immunocytochemistry of Hydrothorax and Ascites in Diagnosis of Cancer
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利用化学鉴别反应对药品真伪进行初步判断
Using the Chemical Reaction to Identify the False Pharmaceutical Products
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结果化学鉴别碳酸钙和延胡索中的生物碱反应为(+),甘草与对照品甘草次酸钠薄层层析结果相符。
Results Chemical reactions to calcium carbonate and alkaloids in Corydalis bulbosa were positive .
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抗肿瘤抗生素1006-60的分离和精制及化学鉴别
Isolation and structural determination of antitumor antibiotic 1006-60
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抗肿瘤抗生素77-3082的研究&Ⅳ.77-3082的化学鉴别和结构研究
Study on antitumor antibiotics 77-3082 . IV. identification and structural elucidation of 77-3082 a , B and Y
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结果在58例积液标本中,免疫细胞化学鉴别出恶性积液38例,反应性积液20例。
Results In 58 cases with immunocytochemical examination , there were 38 malignant cases and 20 reactive cases .
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目前商检系统对进口大麦进行品种鉴别主要以感官检验为主,缺乏准确的化学鉴别方法。
Up to now , CCIB identifies the barley variety mainly in term of the visual characteristics , lacking accurate chemical method .
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方法采用化学鉴别、光谱分析及比色法等方法,对白鹤灵芝的化学成分进行分析及浸出物含量测定。
Mehtods The methods of chemical identification , spectral analysis and colorimetry were used to assay the chemical components and extracts of Rhinacanthus Nasutus .
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方法化学定性鉴别采用TLC法,含量测定采用HPLC法。
Methods TLC and HPLC were employed for the chemical identification and content determination , respectively .
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用组织化学方法鉴别日本血吸虫细胞来源的研究
Identification of the Source and Types of Cells of Schistosoma japonicum by Histochemical Staining
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方法:以化学反应鉴别骨蜡,通过测定成品皂化值评价骨蜡质量。
METHODS : The bone wax was identified with chemical approach and the quality of bone wax was evaluated by saponification value .
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结果:化学方法鉴别显色明显,薄层色谱斑点清晰,易于识别。
Results : Distinct developing reaction existed in chemical means and clear spot appeared in TLC , Both of them are easy to distinguish .
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有效部位的成分分析:采用化学定性鉴别法,主要对鞣质类、黄酮类、生物碱、有机酸、氨基酸、挥发油、蛋白质、糖类、蒽醌类、皂甙类等几大类物质进行初步鉴定。
Analysis of the effective parts : The effective components were analyzed by chemical identification . It mainly contents tannins , flavonoids , alkaloids , organic acids , amino acids , volatile oil , protein , sugars , anthraquinones , and saponins . 3 .
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组织化学染色方法鉴别BP和EBA的意义初步探讨
Preliminary Studies of Significance of Histochemical Staining Method in the Differential Diagnosis of BP and EBA
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SO2和氟化物对农作物的危害可通过症状、镜检和受害叶片的化学分析来鉴别,并从风向、与污染源距离、障碍物和叶片成熟程度几方面与作物病虫等影响因素相区别。
The damage of SO 2 and Fluoride to agricultural products can be identified through chemical analysis of symptoms , microscope examination and damaged leaves and differentiated with pests damage by checking the wind direction , distance to pollution , obstructions and maturity of leaves .
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布渣叶化学成分定性鉴别的实验研究
Experimental Study on Qualitative Identification of Chemical Components of Microcos Paniculata
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一类用化学指纹特征鉴别中药材真伪的方法
Identifying the Authenticity of Chinese Medicinal Material with Chemical Fingerprint Features
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白僵蚕的化学成分和鉴别技术研究进展
Advances in Chemical Composition of Bombyx Batryticatus and its Identification Techniques
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冬虫夏草与亚香棒虫草的分子及化学指纹图谱鉴别
Identification of Cordyceps Sinensis and Cordyceps Hawkesii by DNA and Chemical Fingerprint
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定性鉴别:采用化学法进行鉴别。
Quantity identification : By chemical methods for identification .
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龙血竭的化学成分的鉴别
Identification on the Chemical Constituent of Dragon 's Blood and Determination of its Content
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目的:提取芦笋皂苷,化学方法定性鉴别,高效液相法测定芦笋皂苷中菝葜皂苷元含量。
Objective : To abstract saponins of asparagus , determine chemical character and the content .
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本病的确诊依赖病理诊断,免疫组织化学方法对于鉴别诊断有重要作用。
The definite diagnosis of the disease depends on the pathological examination , and immunohistochemistry plays an important role in differential diagnosis .
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方法利用紫外光谱扫描初步确定,进一步用化学方法进行鉴别;
Method ZTP , rotuntine , dolantin and morphine were firstly discriminate by its UV spectrum , then were distinguished by chemical methods .
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TLC化学成分进行定性鉴别。
TLC carries on the qualitative distinction to the chemical composition .
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方法:用不同溶剂提取的部位,采用TLC、GC、HPLC及氨基酸分析仪对其配方颗粒与传统煎剂中化学成分进行定性鉴别比较。
Methods : To analyse chemical constituents in compatible granule and traditional decoction of Er Chen Tang by TLC . GC and HPLC .