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沙眼衣原體ELISA法診斷試劑盒
沙眼衣原體抗原抗體診斷試劑盒(悉尼)
沙眼衣原體抗原抗體診斷試劑盒(悉尼)
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【公司名稱(chēng)】 廣州健侖生物科技有限公司
【】 楊永漢
【】
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【公司地址】 廣州清華科技園創(chuàng)新基地番禺石樓鎮(zhèn)創(chuàng)啟路63號(hào)二期2幢101-3室
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常用的驅(qū)蟲(chóng)藥物有丙硫咪唑、甲苯咪唑,左旋咪唑和構(gòu)櫞酸(商品名為驅(qū)蛔靈)等,驅(qū)蟲(chóng)效果都較好,并且副作用少。日本血吸蟲(chóng)(Schistosoma japonicum Katsurada,1904) 即血吸蟲(chóng),又稱(chēng)裂體吸蟲(chóng)。血吸蟲(chóng)病是由血吸蟲(chóng)寄生于人體引起的地方性寄生蟲(chóng)病。寄生于人體的血吸蟲(chóng)主要有三種:即流行于非洲北部的埃及血吸蟲(chóng);流行于拉丁美洲及非洲中部的曼氏血吸蟲(chóng)以及流行于亞洲的日本血吸蟲(chóng)。此外,還有間插血吸蟲(chóng)、湄公血吸蟲(chóng)可以寄生人體。在我國(guó)因只有日本血吸蟲(chóng)病流行,故通常將日本血吸蟲(chóng)病簡(jiǎn)稱(chēng)為血吸蟲(chóng)病。日本zui大的感染地帶山梨縣在1996年2月宣布日本血吸蟲(chóng)病流行之世界衛(wèi)生組織癌癥研究機(jī)構(gòu)公布的致癌物清單初步整理參考,日本血吸蟲(chóng)(感染)在2B類(lèi)致癌物清單中1、成蟲(chóng)雌雄異體,蟲(chóng)體呈圓柱形,似線蟲(chóng),雌蟲(chóng)常處于雄蟲(chóng)的抱雌溝內(nèi),呈合抱狀態(tài)。雄蟲(chóng)較粗短,乳白色,蟲(chóng)體扁平,發(fā)達(dá)的口吸盤(pán)和腹吸盤(pán)位于蟲(chóng)體前部,腹吸盤(pán)大于口吸盤(pán)。蟲(chóng)體自腹吸盤(pán)以后,兩側(cè)體壁向外延展并向腹面卷折而成溝槽,稱(chēng)抱雌溝。睪丸常為7個(gè),串珠狀縱形排列于腹吸盤(pán)后的蟲(chóng)體背側(cè)。雌蟲(chóng)較細(xì)長(zhǎng),呈圓柱形,前段較細(xì),后段較粗。因蟲(chóng)體腸管內(nèi)含有紅細(xì)胞被消化后殘留的黑褐素而呈暗褐色。一個(gè)長(zhǎng)橢圓形的卵巢位于蟲(chóng)體中部,子宮開(kāi)口于腹吸盤(pán)下方的生殖孔。[3] 2、蟲(chóng)卵橢圓形,淡黃色,卵殼薄而均勻,無(wú)卵蓋,卵殼一側(cè)有一小棘,表面常有許多壞死組織殘留物。[3] 生活史成蟲(chóng)寄生于人體及多種哺乳動(dòng)物的肝門(mén)靜脈和腸系膜靜脈系統(tǒng)中。雌雄蟲(chóng)合抱,交配后,雌蟲(chóng)產(chǎn)卵日本血吸蟲(chóng)日本血吸蟲(chóng)于腸黏膜下層小靜脈末梢內(nèi),蟲(chóng)卵主要分布于肝臟及結(jié)腸壁組織,少部分隨宿主糞便排出體外。蟲(chóng)卵在水中孵出毛蚴,如遇釘螺則侵入其體中,毛蚴在釘螺體內(nèi)經(jīng)過(guò)母胞蚴、子胞蚴無(wú)性繁殖階段發(fā)育和增殖,產(chǎn)生大量的尾蚴。尾蚴自螺體內(nèi)逸出后,借尾部擺動(dòng),遇到人或易感染的動(dòng)物而從皮膚鉆入,脫去尾部,變?yōu)橥x(chóng)。
The commonly used deworming drugs include albendazole, mebendazole, levamisole, and decanoic acid (trade name: flooding), and the deworming effects are good, and the side effects are small. Schistosoma japonicum Katsurada (1904) is schistosomiasis, also known as schistosomiasis. Schistosomiasis is an endemic parasitic disease caused by parasites in humans. There are three main types of schistosomiasis parasitizing the human body: the schistosomiasis that is prevalent in northern Africa; the schistosoma mansoni that are prevalent in Latin America and central Africa; and the Japanese schistosomiasis that is prevalent in Asia. In addition, there are intervening schistosomiasis and schistosome parasites that can parasitize the human body. In Japan, because only the epidemic of schistosomiasis occurs in Japan, schistosomiasis japonica is often referred to as schistosomiasis. Yamanashi Prefecture, the largest infected area in Japan, announced in February 1996 that the list of carcinogens published by the World Health Organization's International Agency for Research on Cancer, which is the epidemic of schistosomiasis in Japan, was included in the list. The schistosoma japonicum (infection) is in the list of category 2B carcinogens. Allogeneic, the body is cylindrical, like nematodes, females are often held in the male female ditch, showing the state of cohesion. The males are relatively short, milky and flat, with well-developed mouth suckers and abdominal suckers in the front of the body, and abdominal suckers larger than mouth suckers. After the parasite was sucked by the abdominal sucker, the body walls on both sides extended to the ventral surface and turned into a groove, saying that they held the female sulcus. The testis is usually seven, beaded longitudinally arranged in the dorsal side of the parasite behind the abdominal suction cup. Females are relatively slender, cylindrical, with finer anterior segments and thicker posterior segments. The worm body is dark brown in color because it contains dark brown pigment remaining after the red blood cells are digested. An oblong ovary is located in the middle of the worm body, and the uterus opens into the genital hole below the abdominal suction cup. [3] 2. The eggs are oval in shape and pale yellow in color. The egg shells are thin and even, and there are no egg covers. There is a small spine on one side of the egg shells, and there are often many necrotic tissue residues on the surface. [3] Life history Adults parasitize the human portal vein and mesenteric venous system in many mammals. Male and female insects were entrained. After mating, the females spawned Schistosoma japonicum schistosoma japonicum in the distal small intestine submucosal veins. The eggs were mainly distributed in the liver and colon wall tissue, and a small part of the schistosomiasis was excreted with the host feces. Eggs hatch from the water in the water. In the case of oncomelania snails, they invade the body. The hair follicles develop and proliferate in the snails through the vegetative propagation stages of the mother nymphs and daughter lice, producing a large number of cercariae. After the cercaria has escaped from the snail, it is swung by the tail and encounters humans or susceptible animals. It enters the skin and removes the tail and becomes a worm.