鸟氨酸

Huwentoxin-XVIIb1 (HWTX-XVIIb1) is a novel peptide neurotoxin, isolated and purified from the Chinese bird spider Selenocosmia huwena Wang. It contains 31 amino acid residues including 8 cysteines.

虎纹捕鸟蛛毒素-XVIIb1 (HWTX-XVIIb1)是从虎纹捕鸟蛛粗毒中提取、表达、分离纯化的一种新型多肽，它由31个氨基酸残基组成，含8个半胱氨酸。

Huwentoxin-Ⅱ is a neurotoxin purified from the venom of the Chinese bird hunting spider Selenocosmia huwena, which contains 37 amino acid residues including 6 cysteine forming three pairs of disulfide.

虎纹捕鸟蛛毒素Ⅱ（huwentoxin-Ⅱ，HWTX-Ⅱ）是从虎纹捕鸟蛛Selenocosmiahuwena毒液中纯化出的新型多肽神经毒素，含有37个氨基酸残基，包括6个半胱氨酸，形成了三对二硫键。

They were two new compounds, [cyclo(Pro-Val-Phe-Phe-Pro-Val-Phe-Ser-Leu),7],[2-N-(1-methoxycarbonylethyl)guanosine, 10], and eight known compounds,(p-hydroxybenzoic acid, 1),(methyl succinate, 2),(russulaceramide, 3),(phenylalanine, 4),(guanine, 5),(β-carboline, 6),(uridine, 8), and (adenosine, 9). All the compounds were isolated from Amanita exitialis for the first time.

分别为：对羟基苯甲酸(p-hydroxybenzoic acid，1)、丁二酸二甲酯(methyl succinate，2)、神经酰胺(russulaceramide，3)、苯丙氨酸（phenylalanine，4）、鸟嘌呤核苷(guanine，5)、β-咔啉(β-carboline，6)、环（脯氨酸-缬氨酸-苯丙氨酸-苯丙氨酸-脯氨酸-缬氨酸-苯丙氨酸-丝氨酸-亮氨酸） [cyclo(Pro-Val-Phe-Phe-Pro-Val-Phe-Ser-Leu)，7]、尿嘧啶核苷(uridine，8)、腺嘌呤核苷(adenosine，9)、2-N-(1-甲氧羰基乙基)鸟苷[2-N-(1-Methoxycarbonylethyl)guanosine， 10]。10个化合物均为首次从致命鹅膏中分离得到，其中化合物7和10为新化合物。

L-ornithine is a kind of middle metabolizing production, which is not make of protein.

L-鸟氨酸是人体代谢中必不可少的中间代谢产物，一种非蛋白质氨基酸。

Guanosine overproducing mutant was derived from Bacillus subtilis T1001 by using ultraviolet and diethyl sulfate. The mutant was selected directionally and step wisely on the agar plates containing methionine sulfoxide and 8 azaguanine(8 AG).

以枯草芽孢杆菌T1 0 0 1为出发菌株，经紫外线、硫酸二乙酯逐级诱变处理，选育出腺嘌呤缺陷型菌株，然后经蛋氨酸亚砜、8 氮鸟嘌呤( 8 AG)结构类似物平板定向筛选，获得鸟苷高产菌株TA2 0 8。

The retinal of 18 post-natal 2-3 days Sprague-Dawley rats were dissociated into cell suspension with trypsin digestion. The cell suspension was implated in 96-well culture plates covered with hyaluronic acid and laminin in each well.

采用胰酶消化法将18只出生2-3d的乳鼠视网膜制成细胞悬液，接种于经多聚鸟氨酸和层粘连蛋白包被的96孔板中。

Methods The retinal of 20 post-natal 2-3 days Sprague-Dawley rats were dissociated into cell suspension with trypsin digestion.The cell suspension was implated in 6-well culture plates covered with hyaluronic acid and laminin in each well.

用胰酶消化法将20只出生2～3 d的SD（Sprague-Dawley）乳鼠视网膜制成细胞悬液，接种于经多聚鸟氨酸和层粘连蛋白包被的血盖片中。

Demineralise Whey*, Vegetable Oils, Skimmed Milk Powder*, Lactose, Dietary Fibres (Galacto-oligosaccharides*, Polyfructose), Fish Oil, Potassium Citrate, Calcium Chloride, Calcium Carbonate, Sodium Citrate, Magnesium Chloride, Vitamin C, L-arginine, Emulsifier, Taurine, Iron Sulphate, Vitamin E, Citidine 5'-monophosphate, Zinc Sulphate, Adenosine 5'-monophosphate, Uridine 5'-monophosphate, Inosine 5'-monophosphate, Niacin, Guanosine 5'-monophosphate, Folic Acid, Copper Sulphate, Vitamin a, Vitamin B12, Pantothenic Acid, Biotin, Beta-carotene, Vitamin D3, Thiamin, Vitamin B6, Manganese Sulphate, Potassium Iodide, Vitamin K1, Sodium Selenite.

无矿物质乳清*，植物油，脱脂奶粉*，乳糖，膳食纤维（半乳糖寡糖*，多聚果糖），鱼油，柠檬酸钾，氯化钙，碳酸钙，柠檬酸钠，镁，氯，维生素C，L -精氨酸，乳化剂，牛磺酸，硫酸亚铁，维生素E，Citidine 5'-磷酸，硫酸锌，腺苷5'-磷酸尿苷5'-磷酸肌苷5'-磷酸，烟酸，5'-鸟苷磷酸，叶酸酸，硫酸铜，维生素A，维生素B12，维生素B3，维生素H，β-胡萝卜素，维生素D3，硫胺素，维生素B6，硫酸锰，碘化钾，维生素K1，亚硒酸钠。

Objective:To investigate the expression of ODC mRNA in colorectal neoplasms.

目的 ：研究鸟氨酸脱羧酶基因在结直肠癌中的表达，探讨其在大肠癌形成中的作用。

With the microelectromechanical technique, we developed the taste cell chip based on LAPS, the surface of which had already been soaked in the phosphate-buffered saline with 100μg/ml poly-L-ornithine and 8μg/ml laminin to enhance the attachment of cell on it.

采用微机械加工技术，我们制备了LAPS味觉细胞芯片，并用多聚鸟氨酸和层粘素混合的磷酸缓冲液处理以增强细胞在芯片表面的黏附性。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐