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CN109521200A - It is a kind of while detecting the kit of Multiple components content, method and its application in blood plasma - Google Patents

It is a kind of while detecting the kit of Multiple components content, method and its application in blood plasma Download PDF

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Publication number
CN109521200A
CN109521200A CN201811640110.9A CN201811640110A CN109521200A CN 109521200 A CN109521200 A CN 109521200A CN 201811640110 A CN201811640110 A CN 201811640110A CN 109521200 A CN109521200 A CN 109521200A
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detection
acute
serum
crp
kit
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滕文臣
王其亮
杨子学
管中来
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Nanjing Xinyao Medical Technology Co Ltd
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Nanjing Xinyao Medical Technology Co Ltd
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    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • G01N33/54313Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals the carrier being characterised by its particulate form
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • G01N33/54313Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals the carrier being characterised by its particulate form
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    • G01N33/573Immunoassay; Biospecific binding assay; Materials therefor for enzymes or isoenzymes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/68Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids
    • G01N33/6893Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids related to diseases not provided for elsewhere
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2333/00Assays involving biological materials from specific organisms or of a specific nature
    • G01N2333/435Assays involving biological materials from specific organisms or of a specific nature from animals; from humans
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    • G01N2333/47Assays involving proteins of known structure or function as defined in the subgroups
    • G01N2333/4701Details
    • G01N2333/4733Acute pancreatitis-associated protein
    • GPHYSICS
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    • G01N2333/4737C-reactive protein
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    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2800/00Detection or diagnosis of diseases
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Abstract

The kit of Multiple components content, method and its application in blood plasma are detected simultaneously the invention discloses a kind of, belong to field of biotechnology, including detection solution R1, detection solution R2, antibiont positive markers quality controlled serum, antibiont marker negative quality controlled serum and concentration washing lotion, pass through the content based on pancreas egg TPS II, SSA, hs-CRP, PCT and phylaxin in latex enhancing immune turbidimetry joint-detection human plasma.The present invention can be realized the investigation of the acute abdomen disease to initiations such as acute pancreatitis, other abdominal viscera Lymph nodes, the perforation of acute digestive tract ulcer, realize multi objective joint-detection to achieve the purpose that identify common acute abdomen disease.

Description

It is a kind of while detecting the kit of Multiple components content, method and its application in blood plasma
Technical field
The present invention relates to a kind of biotinylation kits, method and its application, detect simultaneously more particularly to one kind more in blood plasma The kit of kind component content, method and its application, belong to field of biotechnology.
Background technique
Acute abdomen (acuteabdominalpain) is one of most common illness of Emergency Patients, is gone to a doctor whole year Occur, peak is autumn (9~November) and summer (6~August) respectively, and the medical age concentrates between 15~44 years old (accounting for medical The 72.7% of sum), often it is related to the disease of inside and outside, youngster, even neural, the spiritual each section of woman's production, Etiological is abdominal viscera Organ occurs caused by lesion, structure malfunction, the outer adjacent organs damage of abdomen or systemic disease.According to statistics, non-wound impatient The disease incidence highest of acute pancreatitis, followed by acute gastroenteritis, acute ileus, acute appendicitis, urgency in disease abdominal pain disease Property cholangitis, ulcer acute perforation etc..Such disease often has the characteristics that morbidity is anxious, variation is fast, the state of an illness is complicated and serious, adds It, Hospitals at Present emergency department clinician tends to rejuvenation, and experience is insufficient in terms of emergency diagnosis, is easy to diagnose wrong or treatment Improperly, it may cause adverse consequences in this way, or even dead.Therefore, more demanding to the diagnosis of acute abdomen, it can make in time Specific diagnosis, is reasonably treated, will directly affect the treatment and prognosis of disease.For this phenomenon, the present invention is proposed By Trypsinogen-2 in serum (TPS II), serum amyloid A protein (SSA), hs-CRP (hs-CRP), calcitonin The acute abdomen that former (PCT) and phylaxin carry out joint-detection checks scheme, corresponding detection kit is developed, to acute abdomen Common acute pancreatitis, acute appendicitis, acute peritonitis, acute gastroenteritis are excluded with exedens acute perforation.
Currently, the external context of detection in clinical acute disease abdominal pain, mainly by combining patient medical history, carry out a medical examination, Laboratory auxiliary examination selectively carries out blood glucose, pregnancy tests, blood electrolyte, hepatic and renal function, abdominal CT according to conditions of patients Inspection, abdominal cavity diagnostic puncture and ascites analysis etc. check, and then comprehensively consider, propose corresponding therapeutic scheme.This Outside, the investigation of acute pancreatitis is also carried out, but for acute disease abdomen using the detection to acute abdomen Urinary Trypsinogen-2 Report of the investigation of bitterly relevant other diseases still without relevant biomarkers object.At home, the clinic of acute abdomen is examined Survey is similar to external clinical detection, but application development of the TPS II in external clinical diagnosis is more early, and is at home nearly 2 years lands Continuous just to start to enter into clinical application in Grade III Class A hospital, its clinical value is still in further exploration.This Invention is by carrying out joint quantitative detection with phylaxin to TPS II, SSA, hs-CRP, PCT in acute abdomen patients serum, to urgency Disease abdominal pain common disease is checked, and is made reasonable diagnosis in time for clinician and is provided auxiliary tool.
Summary of the invention
The main object of the present invention be solve the related disease of acute abdomen in the prior art investigation sensitivity it is low, accurate Property difference and cumbersome and inconvenient problem, and provide kit that is a kind of while detecting Multiple components content in blood plasma.
The purpose of the present invention can reach by using following technical solution:
Kit that is a kind of while detecting Multiple components content in blood plasma, including detection solution R1, detection solution R2, antibiosis Object positive markers quality controlled serum and antibiont marker negative quality controlled serum.
Detecting solution R1 includes phosphate buffer and Macrogol 6000;Detection solution R2 includes phosphate buffer, coupling There are the sensitizing latex and stabilizer Proclin300 of biomarker antibody;Biomarker include TPS II, SSA, hs-CRP, PCT and phylaxin.
Sensitizing latex is obtained with biomarker antibody by physical absorption and/or covalent bond by latex particle.Glue Newborn particle is that carboxyl polystyrene microsphere, magnetic polystyrene microsphere, aminopolystyrene microballoon, dimethylamino polystyrene are micro- Ball, sulfonated polystyrene microballoon, polystyrene microsphere, poly (methyl methacrylate) micro-sphere, poly lactide-glycolide acid are micro- Any one in ball.
Biomarker antibody is monoclonal antibody, and monoclonal antibody passes through monoclonal hybridoma technology and prepares It obtains or is obtained by phage antibody technology screening.
Sensitizing latex is prepared especially by following method:
Step 1: latex activation
Latex is added in suitable MES buffer, after ultrasonication, is slowly added to thereto under stirring conditions EDA and NHS, constant-temperature incubation for a period of time after, centrifugation, remove supernatant, then PBS buffer solution is added into precipitating, carry out ultrasonication, Repeat 1 time from addition PBS to the step of progress ultrasonication, obtains latex particle;
Step 2: antibody linked
PBS is added into latex particle, after carrying out ultrasonication, the monoclonal for being separately added into biomarker thereto is anti- Body, additional amount is 1.5~6mg/ml, after mixing, is placed in be incubated at room temperature to reaction solution and is evenly distributed state, sensitizing latex;
Step 3: closing
The glycine for being 3.3%mg/ml with PBS buffer solution compound concentration, by glycine solution and sensitizing latex according to body Product is mixed than 100:5, and after ultrasonication, 40~50min is incubated at 25 DEG C, and pH7.5,50mM are then added thereto and includes The PBS buffer solution of 0.05wt%BSA after mixing, is incubated overnight at 25 DEG C;After centrifugation, PBS, ultrasonication are added thereto;From The heart removes supernatant, and 0.05% tween is added, is centrifuged again after ultrasonication, removes supernatant, after 0.05% BSA is added, surpassed After sound is broken, the stabilizer Proclin300 of 0.05% BSA and 0.1% is continuously added, carries out ultrasonication, ultrasonication Condition is 100Hz, 0.8s/ times, carries out 2min altogether, is then saved for use for 4 DEG C.
Biomarker positive quality control serum and the biomarker feminine gender quality controlled serum are all normal human serums, biology Positive markers quality controlled serum is by adding TPS II, SSA, hs-CRP, PCT and phylaxin mark respectively in normal human serum Quasi- product are made, and additive amount is 3 times of the critical value of TPS II in normal serum, SSA, hs-CRP, PCT and resistance cellulose content.
Kit includes the detection cup of five kinds of different colours label, respectively to TPS II in serum, SSA, hs-CRP, PCT and The detection of phylaxin, the range of linearity of detection are followed successively by 2.5 μ g/L of μ g/L~1250,0.1ng/ml~300ng/ml, 0.3mg/L ~150mg/L, 0.1ng/ml~250ng/ml, 1ng/ml~200ng/ml.
Method that is a kind of while detecting Multiple components content in blood plasma, includes the following steps:
By the way that the corresponding antibodies of substance to be checked are coupled with latex particle, by the specific bond of antigen and antibody, So that latex particle is aggregated, changes the turbidity of antigen-antibody reaction system, improve the sensitivity of detection;
By the joint-detection of serum T PS II and hs-CRP, Acute Pancreatitis with Acute is checked, joint-detection serum is passed through The content of middle PCT and hs-CRP, diagnosis investigation that is timely, effectively completing acute peritonitis, facilitates the observation of clinical efficacy;
By the joint-detection of serum SSA and hs-CRP, acute appendicitis is checked, by being supported in patients serum Exedens acute perforation is checked in the detection of anti-element and the content of hs-CRP into property;
The serum sample that will be obtained after TPS II, SSA, hs-CRP, PCT and phylaxin standard items or the centrifugation of EDTA anticoagulated blood This is mixed with the prepared sensitizing latex containing corresponding antibodies respectively, reacts antigen-antibody sufficiently, to antigen-antibody After reacting a period of time, with the absorbance of full automatic biochemical apparatus measurement reaction solution, reference standard curve can determine detection respectively The content of TPS II, SSA, hs-CRP, PCT and phylaxin in sample.
It is related to be used to prepare investigation acute abdomen for application that is a kind of while detecting the kit of Multiple components content in blood plasma On the reagent of disease, acute abdomen related disease is acute pancreatitis, acute peritonitis, Peptic Ulcer with Acute Perforation, acute Any one in ecphyaditis and septicemia.
Advantageous effects of the invention:
(1) screening indexes of the TPS II as acute pancreatitis have sensibility strong, specific high, in acute pancreatitis There is very high value in clinical diagnosis;
(2) specificity and the sensitivity of acute peritonitis can be improved in the joint-detection of hs-CRP and PCT;
(3) by phylaxin, this emerging Testing index detects the present invention, helps to burst to digestibility in acute abdomen The investigation of ulcer acute perforation;
(4) by the joint-detection of SSA and hs-CRP in serum, acute appendicitis is checked;
(5) serum T PS II, SSA, hs-CRP, PCT and the multiple indexs of phylaxin are subjected to joint-detections, it is available and When effective diagnostic result, screening is carried out to the common disease of acute abdominalgia, helps clinician to make and timely and effectively controls Treatment measure also provides valuable clinical data for the prognosis of disease;
(6) all detection reagent high sensitivities of the present invention detect sample size used and control in 5 μ L, realize clinic The milligram ammonia of test samples solves the problems, such as sample collection difficulty;
(7) the detection side of multiple indexs has been unified based on the multi objective associated detecting method of latex enhancing immune turbidimetry Method is detected them in same reaction system, has saved the consumption of sample, while also saving people Power, material resources and financial resources.
Detailed description of the invention
Fig. 1 is the preparation process flow chart of sensitizing latex;
The testing principle of Fig. 2 latex enhancing immune turbidimetry.
Specific embodiment
To make the more clear and clear technical solution of the present invention of those skilled in the art, the present invention is made below further Detailed description, embodiments of the present invention are not limited thereto.
Embodiment 1:
The kit provided in this embodiment being used for while measuring serum T PS II, hs-CRP, SSA, PCT and phylaxin, should Kit includes such as lower component: reagent one (R1), wherein including phosphate buffer and polyethylene glycol;Reagent two (R2), wherein wrapping Phosphorous acid buffer, coupling have anti-TPS II monoclonal antibody a (hereinafter the sensitizing latex of abbreviation monoclonal antibody a), coupling have it is anti- Hs-CRP monoclonal antibody b (hereinafter the sensitizing latex of abbreviation monoclonal antibody b), be associated with the monoclonal antibody c of anti-SSA (hereinafter The sensitizing latex stabilizer of abbreviation monoclonal antibody c), be associated with anti-PCT monoclonal antibody d (hereinafter the sensitizing latex of abbreviation monoclonal antibody d), It is associated with monoclonal antibody e (the hereinafter sensitizing latex of abbreviation monoclonal antibody e) of anti-phylaxin;It TPS II, hs-CRP, SSA, PCT and supports Anti- element positive quality control serum;TPS II, hs-CRP, SSA, PCT and phylaxin feminine gender quality controlled serum.Wherein, TPS II, hs-CRP, SSA, PCT and phylaxin positive quality control serum are to add TPS II, hs-CRP, SSA, PCT in adding respectively in normal human serum And phylaxin standard items are made, additive amount is TPS II in normal serum, hs-CRP, SSA, PCT and the critical value for resisting cellulose content 3 times;Wherein, the critical value of TPS II, SSA, hs-CRP, PCT and resistance cellulose content are respectively 50 μ g/L in normal serum, 0.5ng/ml, 3mg/L, 0.5ng/ml, 14ng/ml;The biomarker feminine gender quality controlled serum is normal human serum.Wherein Content of the content of normal human serum TPS II lower than 50 μ g/L, SSA is lower than 0.5ng/ml, and hs-CRP content is lower than 3mg/L, PCT Content be lower than 0.5ng/ml, the content of phylaxin is lower than 14ng/ml.
Wherein, various pieces are prepared via a method which:
(1) it identifies the preparation of the monoclonal antibody a of TPS II: being prepared and (trained by increment by monoclonal hybridoma technology The method of supporting expands preservation hybridoma cell strain, and the monoclonal antibody in culture solution is then purified by octanoic acid-saturated ammonium sulfate method) or Person obtains (passing through built-up expression vector is cloned by the high-affinity obtained after screening by phage antibody technology screening The monoclonal antibody of high-affinity is obtained after transfection, expression, purification).In the present invention, II monoclonal antibody a of TPS selects anti-human pancreas Proproteinase -2 (TPS II) monoclonal antibody (article No. FR-A-021 is bought from Shanghai Yan Tuo biotechnology company);
(2) identify the preparation of the monoclonal antibody b of hs-CRP: the monoclonal antibody can also pass through monoclonal hybridoma technology It is prepared and (preservation hybridoma cell strain is expanded by increment cultivation, then passes through sad saturated ammonium sulfate method purifying culture Monoclonal antibody in liquid) or obtain by phage antibody technology screening (to be cloned by the high-affinity obtained after screening Built-up expression vector obtains the monoclonal antibody of high-affinity after transfection, expression, purification), it selects in the present invention anti- Hs-CRP monoclonal antibody b selects anti-human hs-CRP (hs-CRP) monoclonal antibody, and (article No. TM011 is bought from grand celebration Mai Baikang Bioisystech Co., Ltd);
(3) it identifies the preparation of the monoclonal antibody c of SSA: being prepared by monoclonal hybridoma technology (by increment culture Method expands preservation hybridoma cell strain, and the monoclonal antibody in culture solution is then purified by octanoic acid-saturated ammonium sulfate method) or It obtains (built-up expression vector being cloned through turning by the high-affinity obtained after screening by phage antibody technology screening The monoclonal antibody of high-affinity is obtained after dye, expression, purification), in the present invention, the monoclonal antibody c of anti-SSA selects anti-human serum starch Sample albumin A (SSA) monoclonal antibody (article No. A90885Hu01 is bought from Shanghai Wu Hao Trade Co., Ltd.);
(4) it identifies the preparation of the monoclonal antibody d of PCT: being prepared by monoclonal hybridoma technology (by increment culture Method expands preservation hybridoma cell strain, and the monoclonal antibody in culture solution is then purified by octanoic acid-saturated ammonium sulfate method) or It obtains (built-up expression vector being cloned through turning by the high-affinity obtained after screening by phage antibody technology screening The monoclonal antibody of high-affinity is obtained after dye, expression, purification), in the present invention, calcium drops in the monoclonal antibody d of anti-PCT selection anti-human serum Plain original (PCT) monoclonal antibody (article No. 901010 is bought from Guangzhou Growth hormone secretagogue Biotechnology Co., Ltd).
(5) it identifies the preparation of the monoclonal antibody e of phylaxin: being prepared by monoclonal hybridoma technology and (pass through increment Cultivation expands preservation hybridoma cell strain, and the monoclonal antibody in culture solution is then purified by octanoic acid-saturated ammonium sulfate method) Or it obtains (built-up expression vector being cloned by the high-affinity obtained after screening by phage antibody technology screening The monoclonal antibody of high-affinity is obtained after transfection, expression, purification), in the present invention, the monoclonal antibody e of anti-phylaxin selection is anti-human Serum Resistin Levels monoclonal antibody (article No. A90847Hu01 is bought from Shanghai Wu Hao Trade Co., Ltd.);
(6) preparation of sensitizing latex particle, preparation process such as Fig. 1:
Latex activation (latex article No. PM001 and PM005 are bought from Nanjing Egg-based Biotechnology Co., Ltd.): by latex It is added in suitable MES buffer, after ultrasonication, is slowly added to EDA and NHS thereto under stirring conditions, constant temperature is incubated After educating a period of time, centrifugation removes supernatant, then PBS buffer solution is added into precipitating, and carrying out ultrasonication, (operation repeats 1 It is secondary) to get arrive work microballoon;
It is antibody linked: PBS is added into work microballoon, after carrying out ultrasonication, is separately added into a certain amount of list thereto Anti- a, monoclonal antibody b, monoclonal antibody c, monoclonal antibody d and monoclonal antibody e (amount of addition be respectively 0.65mg/ml, 0.85mg/ml, 1mg/ml, 1mg/ml, 1.2mg/ml), it after mixing, is placed in be incubated at room temperature to reaction solution and is evenly distributed state, this i.e. sensitizing latex;
Closing: after a certain amount of glycine is dissolved in PBS buffer solution, taking and mix in right amount with sensitizing latex, after ultrasonication, It is incubated for;After being incubated for a period of time, the PBS buffer solution dissolved with BSA is added thereto, after mixing, is incubated overnight;After centrifugation, PBS, ultrasonication are added thereto;Supernatant is removed in centrifugation, and tween is added, is centrifuged again after ultrasonication, removes supernatant, is added After BSA, after carrying out ultrasonication, BSA and nitrine trisodium are continuously added, after carrying out ultrasonication, 4 DEG C are saved for use.
Detection method and the course of work: the present invention uses latex enhancing immune turbidimetry, is combined using mentioned reagent box and is examined The content of TPS II, hs-CRP, SSA, PCT and phylaxin are surveyed, testing principle is as shown in Fig. 2, include the following steps:
1) specific protein analyzer basic parameter: Two point end assay, wavelength 600nm, basic parameter such as Tables 1 and 2 is set It is shown;2) sample to be tested of 5 μ L is added in 200 μ LR1, is incubated for 300 seconds after mixing, is then added thereto 50 μ LR2, survey the One absorbance A 1 is incubated for 300 seconds after mixing, surveys the second absorbance A 2, and the corresponding absorbance value of the turbidity of compound is Δ (A2- A1).Automatic clinical chemistry analyzer carries the program parameter input method of itself, and above-mentioned basic parameter need to be in conjunction with full-automatic biochemical point The included program parameter input method of analyzer, reagent ability necessary instrument automatically determines after carrying out set factors input;
3) positive, negative quality controlled serum, 37 DEG C of incubation 30min are detected according to the above method simultaneously;
4) after measuring, analyze and draw respectively the standard curve of TPS II, hs-CRP, SSA, PCT and phylaxin.
1 full-automatic specific protein analysis-e/or determining basic parameter of table
Sample size Amount of reagent (R1/R2) Reaction temperature Reaction time (T1/T2)
5μL 200μL/50μL 37℃ 300 seconds/300 seconds
2 full-automatic specific protein analysis-e/or determining basic parameter of table
Unit The Direction of Reaction Standard curve simulation equation
mg/L Upwards Multiple spot calibration, nonlinear computation model
Embodiment 2:
The standard of serum T PS II, hs-CRP, SSA, PCT and two latex enhancing immune turbidimetry detection kit of phylaxin Exactness
(1) accuracy and precision
The standard items of high, medium and low three concentration are selected, are respectively containing TPS II, hs-CRP, SSA, PCT and resistin level 500ng/ml, 200ng/ml, 450ng/ml, 450ng/ml and 300ng/ml, 200ng/ml, 150ng/ml, 180ng/ml, 170ng/ml and 140ng/ml, 50ng/ml, 30ng/ml, 100ng/ml, 70ng/ml and 75ng/ml, the glue designed with the present invention Cream enhancing immunoturbidimetry detection kit carries out above-mentioned sample each Concentration Testing 10 times, and acquired results are compared, Determine the accuracy and precision of this kit, obtained testing result such as the following table 3:
3 TPS II of table, hs-CRP, SSA, PCT and phylaxin testing result compare
The T for doing paired sample to this group of data is examined, and obtains P > 0.05, obtain difference between detection group acquired results without Statistical significance, illustrate latex immunoturbidimetry used by this project no matter it is high, in or low concentration TPS II, hs- CRP, SSA, PCT and phylaxin can obtain the higher result of accuracy in detecting.
Meanwhile this method coefficient of variation of the repetition testing result of multi objective under high, medium and low concentration is respectively less than 10%, With preferable precision.
(2) stabilization of kit is tested:
Kit preservation condition is 2-8 DEG C, and after saving 6 months, the indices of assay kit are found in normal model Within enclosing.Consider in transport and use process, has improper preservation condition and occur, the condition that kit is saved at 37 DEG C It is lower to place 6 days, carry out accelerated aging tests, the results showed that the kit indices comply fully with requirement, it is contemplated that kit Freezing happens, and kit is put into -20 DEG C of refrigerator freezings 5 days, and measurement result also indicates that kit indices completely just Often.It can show that kit can at least save 6 months or more at 2~8 DEG C from result above.
In the present embodiment, the logical one kind provided of the present invention detects TPS II, SSA, hs-CRP, PCT in blood plasma and supports simultaneously The kit of anti-cellulose content is the related disease of acute abdomen by establishing a kind of immunoassay method of multi objective joint-detection The investigation of disease provides that a kind of high sensitivity, accuracy be good and kit assay method easily and fast, help clinician couple Acute abdomen related disease makes timely diagnosis, also carries out auxiliary judgment for condition assessment or Index for diagnosis.
The above, further embodiment only of the present invention, but scope of protection of the present invention is not limited thereto, and it is any Within the scope of the present disclosure, according to the technique and scheme of the present invention and its design adds those familiar with the art With equivalent substitution or change, protection scope of the present invention is belonged to.

Claims (10)

1. a kind of kit for detecting Multiple components content in blood plasma simultaneously, which is characterized in that molten including detection solution R1, detection Liquid R2, antibiont positive markers quality controlled serum and antibiont marker negative quality controlled serum.
2. a kind of kit for detecting Multiple components content in blood plasma simultaneously as described in claim 1, which is characterized in that detection Solution R1 includes phosphate buffer and Macrogol 6000;Detection solution R2 include phosphate buffer, coupling have biomarker The sensitizing latex and stabilizer Proclin300 of antibody;Biomarker includes TPS II, SSA, hs-CRP, PCT and phylaxin.
3. a kind of kit for detecting Multiple components content in blood plasma simultaneously as claimed in claim 2, which is characterized in that sensitization Latex is obtained with biomarker antibody by physical absorption and/or covalent bond by latex particle.
4. a kind of kit for detecting Multiple components content in blood plasma simultaneously as claimed in claim 2, which is characterized in that latex Particle is that carboxyl polystyrene microsphere, magnetic polystyrene microsphere, aminopolystyrene microballoon, dimethylamino polystyrene are micro- Ball, sulfonated polystyrene microballoon, polystyrene microsphere, poly (methyl methacrylate) micro-sphere, poly lactide-glycolide acid are micro- Any one in ball.
5. a kind of kit for detecting Multiple components content in blood plasma simultaneously as claimed in claim 2, which is characterized in that biology Marker antibody is monoclonal antibody, and monoclonal antibody passes through monoclonal hybridoma technology and is prepared or passes through Phage antibody technology screening obtains.
6. a kind of kit for detecting Multiple components content in blood plasma simultaneously as claimed in claim 2, which is characterized in that sensitization Latex is prepared via a method which to obtain:
Step 1: latex activation
Latex is added in suitable MES buffer, after ultrasonication, be slowly added to thereto under stirring conditions EDA and NHS, constant-temperature incubation for a period of time after, centrifugation removes supernatant, then PBS buffer solution is added into precipitating, ultrasonication is carried out, from adding Enter PBS to carry out ultrasonication the step of repeat 1 time, obtain latex particle;
Step 2: antibody linked
PBS is added into latex particle, after carrying out ultrasonication, is separately added into the monoclonal antibody of biomarker thereto, Additional amount is 1.5~6mg/ml, after mixing, is placed in be incubated at room temperature to reaction solution and is evenly distributed state, sensitizing latex;
Step 3: closing
The glycine for being 3.3%mg/ml with PBS buffer solution compound concentration, by glycine solution and sensitizing latex according to volume ratio 100:5 is mixed, and after ultrasonication, 40~50min is incubated at 25 DEG C, and pH7.5,50mM are then added thereto and includes The PBS buffer solution of 0.05wt%BSA after mixing, is incubated overnight at 25 DEG C;After centrifugation, PBS, ultrasonication are added thereto;From The heart removes supernatant, and 0.05% tween is added, is centrifuged again after ultrasonication, removes supernatant, after 0.05% BSA is added, surpassed After sound is broken, the stabilizer Proclin300 of 0.05% BSA and 0.1% is continuously added, carries out ultrasonication, ultrasonication Condition is 100Hz, 0.8s/ times, carries out 2min altogether, is then saved for use for 4 DEG C.
7. a kind of kit for detecting Multiple components content in blood plasma simultaneously as described in claim 1, which is characterized in that biology Positive markers quality controlled serum and the biomarker feminine gender quality controlled serum are all normal human serum, biomarker positive matter Control serum is made by adding TPS II, SSA, hs-CRP, PCT and phylaxin standard items respectively in normal human serum, addition Amount is 3 times of the critical value of TPS II in normal serum, SSA, hs-CRP, PCT and resistance cellulose content.
8. a kind of kit for detecting Multiple components content in blood plasma simultaneously as described in claim 1, which is characterized in that reagent Box includes the detection cup of five kinds of different colours label, respectively to the inspection of TPS II, SSA, hs-CRP, PCT and phylaxin in serum Survey, the range of linearity of detection be followed successively by 2.5 μ g/L of μ g/L~1250,0.1ng/ml~300ng/ml, 0.3mg/L~150mg/L, 0.1ng/ml~250ng/ml, 1ng/ml~200ng/ml.
9. it is a kind of as described in claim 1~8 any one while detection blood plasma in Multiple components content method, feature It is, includes the following steps:
By the way that the corresponding antibodies of substance to be checked are coupled with latex particle, by the specific bond of antigen and antibody, so that Latex particle is aggregated, and is changed the turbidity of antigen-antibody reaction system, is improved the sensitivity of detection;
By the joint-detection of serum T PS II and hs-CRP, Acute Pancreatitis with Acute is checked, by joint-detection serum The content of PCT and hs-CRP, diagnosis investigation that is timely, effectively completing acute peritonitis, facilitates the observation of clinical efficacy;
By the joint-detection of serum SSA and hs-CRP, acute appendicitis is checked, by phylaxin in patients serum With the detection of the content of hs-CRP, exedens acute perforation is checked into property;
The serum sample one's duty that will be obtained after TPS II, SSA, hs-CRP, PCT and phylaxin standard items or the centrifugation of EDTA anticoagulated blood It is not mixed with the prepared sensitizing latex containing corresponding antibodies, reacts antigen-antibody sufficiently, to antigen-antibody reaction After a period of time, with the absorbance of full automatic biochemical apparatus measurement reaction solution, reference standard curve can determine test sample respectively The content of middle TPS II, SSA, hs-CRP, PCT and phylaxin.
10. it is a kind of as described in claim 1~8 any one while detection blood plasma in the kit of Multiple components contents answer With, which is characterized in that it is used to prepare on the reagent of investigation acute abdomen related disease, acute abdomen related disease is acute pancreas Any one in inflammation, acute peritonitis, Peptic Ulcer with Acute Perforation, acute appendicitis and septicemia.
CN201811640110.9A 2018-12-29 2018-12-29 It is a kind of while detecting the kit of Multiple components content, method and its application in blood plasma Pending CN109521200A (en)

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CN111830260A (en) * 2020-07-27 2020-10-27 北京安图生物工程有限公司 Process for reducing batch-to-batch difference of latex enhanced immunoturbidimetric reagent
WO2022052012A1 (en) * 2020-09-10 2022-03-17 北京肿瘤医院(北京大学肿瘤医院) Marker and method for early diagnosis of infectious complications in abdominal cavity

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WO2022052012A1 (en) * 2020-09-10 2022-03-17 北京肿瘤医院(北京大学肿瘤医院) Marker and method for early diagnosis of infectious complications in abdominal cavity

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