853 results about "Tetracycline" patented technology

The invention discloses bacillus velezensis capable of tolerating various environmental pollution and promoting growth and application of the bacillus velezensis. A plant endophyte bacillus velezensis L381 strain is identified in wild rice, and the strain is high in environmental adaptability, can grow in the environment with the temperature of 15-40 DEG C and the pH value of 5-8, and can tolerate the NaCl concentration of 4%; the rice growth promoting agent has a good growth promoting function, can secrete auxin IAA, solubilize phosphorus, dissolve potassium and secrete siderophores, and can effectively promote rice growth. Meanwhile, the strain has stress resistance to environmental stress such as heavy metals and antibiotics, and tetracycline can be degraded; the strain has a wide antibacterial spectrum, and can be used as a biocontrol bacterium for preventing and treating various plant diseases. The plant endophyte L381 can adapt to variable temperature conditions and variable soil environments in the natural environment, has very strong practical application potential, not only improves the functions of bacillus velezensis, but also widens the application range of the strain.

The invention discloses a Fe-MOF derivative / biochar nano composite material as well as a preparation method and application thereof, and belongs to the field of degradation of organic pollutants in a water body. The invention aims to solve the problems of unstable structure, easy agglomeration and the like at high temperature. The preparation method comprises the following steps: by taking an Fe-MOF derivative as a precursor and charcoal as a carrier material, carrying out in-situ synthesis on Fe-MOF, and carrying out high-temperature calcination on the surface of charcoal (BC). The metal carbon-based composite material prepared by the method shows excellent catalytic performance in catalytic degradation of tetracycline in a water body. Meanwhile, the prepared multiphase composite catalytic material has good stability and cycle performance.

The invention discloses a CDs / QDs (at) ZIF-8 probe, a preparation method of the CDs / QDs (at) ZIF-8 probe and application of the CDs / QDs (at) ZIF-8 probe to detection of tetracycline at three emission ratios, and belongs to the technical field of fluorescence sensing. The probe comprises ZIF-8 as well as a carbon dot and a cadmium telluride quantum dot which are encapsulated in the ZIF-8. The preparation method comprises the following steps: sequentially adding CDs and QDs into a 2-methylimidazole solution, uniformly mixing, dropwise adding a zinc salt solution, and reacting to obtain the CDs / QDs ZIF-8 probe. The probe can be used for performing three-emission-ratio fluorescent quantitative detection on tetracycline, and the detection limit is 14.2 nmol / L. The method is simple in synthesis steps and easy in condition control. The fluorescent color of the mixed solution of CDs / QDs ZIF-8 and tetracycline is changed from powder to green along with the increase of the concentration of tetracycline, the detection method is visual and rapid, the visualization effect is good, the detection gel can be prepared, the detection gel can be combined with a smartphone for use, and the method is simple, convenient to carry and convenient for field judgment.

The invention discloses a preparation method and application of a Fe2O3-Bi4TaO8Br photo-Fenton catalyst, and belongs to the technical field of advanced oxidation treatment. The specific preparation method comprises the following steps: preparing a Bi4TaO8Br nanosheet by virtue of a molten salt method, and then loading Fe2O3 on the Bi4TaO8Br nanosheet by virtue of a hydrothermal method, so as to obtain the Fe2O3-Bi4TaO8Br photo-Fenton catalyst. The prepared Fe2O3-Bi4TaO8Br photo-Fenton catalyst shows efficient photo-Fenton degradation performance on tetracycline (TC) under the visible light condition, meanwhile, the preparation process is safe, simple, convenient and efficient, and potential environment purification application prospects are achieved.

The invention discloses an organic wastewater adsorbent as well as a preparation method and application thereof, and belongs to the technical field of sewage treatment. Comprising the following steps: carrying out nitration reaction on styrene porous microsphere resin, and then carrying out reduction reaction to obtain amino-modified porous microsphere resin; the preparation method comprises the following steps: carrying out polymerization reaction on high-nitrogen-content amino organic small molecules and aldehyde group small molecules under the action of a basic catalyst in an adsorption polymerization manner to generate a nitrogen-doped organic porous polymer, and coating the surface of amino-modified porous microsphere resin with the nitrogen-doped organic porous polymer to obtain the organic wastewater adsorbent. The porous microsphere resin adsorbent with large adsorption capacity and high organic matter removal rate is synthesized by using the carrier advantage of styrene microsphere resin and introducing a porous heteroatom polymer on the microsphere resin. When the adsorbent is used, the adsorbent is directly added into an organic wastewater solution, and the removal rate of bisphenol A, aniline and tetracycline can reach 90% or above.

The present invention relates to tetracycline derivatives and their use as medicaments, in particular in the treatment or prevention of diseases selected from the group comprising or consisting of amyloidosis, pain, neurodegenerative diseases and neuroinflammatory diseases.

The invention discloses an application of Lactobacillus plantarum in at least one of the following items: a1, an application in improving the silage quality of silage, a2, an application in improving the silage quality, a3, an application in improving the silage quality, a4, an application in improving the silage quality, and a5, an application in improving the silage quality. A2, application in preparation of silage; a3, application in preparation of a silage additive; the strain name of the lactobacillus plantarum is LA2, the lactobacillus plantarum is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number of the lactobacillus plantarum is CGMCC No. 33484. According to the invention, the lactobacillus plantarum or the microbial inoculum thereof or the silage additive thereof is added into the silage for the first time, and tetracycline resistance genes in the silage can be remarkably reduced; after the lactobacillus plantarum or the microbial inoculum thereof or the silage additive thereof disclosed by the invention is added, the generation and residue of tetracycline resistance genes in feed can be reduced, the propagation of the tetracycline resistance genes in a food chain is reduced, the safety of forage grass is ensured, and the damage to animals, environment and human bodies is reduced; and the drug resistance of human pathogenic bacteria is reduced while the health level of animals is improved.

The invention discloses a tetracycline monoclonal antibody and application thereof, and belongs to the technical field of biology. The monoclonal antibody contains a heavy chain variable region and a light chain variable region, the heavy chain variable region and the light chain variable region are both composed of complementary determining regions and frame regions, and the complementary determining regions are both composed of CDR1, CDR2 and CDR3. The monoclonal antibody can be used for preparing a tetracycline detection product. The tetracycline colloidal gold test strip provided by the invention has the characteristics of high sensitivity, good specificity and strong stability.

The invention belongs to the technical field of fluorescence detection, and provides a dual-emission carbon dot, a visual hydrogel sensing platform prepared from the dual-emission carbon dot and application of the dual-emission carbon dot in order to solve the problem that field real-time detection cannot be realized in current tetracycline detection. The dual-emission fluorescent carbon dots DE-CDs are synthesized by dissolving toluene diisocynate, fennel and m-phenylenediamine (m-PD) in ultrapure water to serve as precursors, and reacting for 6 hours by controlling the reaction temperature to be 220 DEG C through a one-pot hydrothermal method. Two emission wavelengths (432 nm and 515 nm) are shown under different excitation wavelengths. A fluorescence sensor with double response signals is constructed and used for detecting tetracycline. The sensor shows a very strong index relationship in the range of tetracycline of 0-118 [mu] M, and the detection limit is 53.4 nM. A fluorescent hydrogel detection platform integrated with a smart phone is established, and rapid, portable and on-site detection of tetracycline in a water sample is successfully realized. And an effective strategy is provided for combination of laboratory precision testing and on-site rapid testing.

The invention relates to a biochar material for repairing cadmium and tetracycline combined pollution in a water body as well as preparation and application of the biochar material, and belongs to the technical field of water body pollution repairing. Comprising the following steps: (1) cleaning, drying and grinding plant tissues of solanum nigrum plants after the cadmium-polluted soil is repaired by fungi and solanum nigrum, so as to obtain solanum nigrum plant tissue powder; and (2) pyrolyzing the black nightshade plant tissue powder at 400-600 DEG C for 1-3 hours, cooling to 20-30 DEG C, and grinding to obtain the biochar material for repairing cadmium and tetracycline combined pollution in the water body. According to the invention, the plant tissue of the nightshade plant after the cadmium-polluted soil is repaired by the combination of fungi and nightshade is used as the raw material of the biochar material for the first time, so that the resource utilization of the polluted soil repairing plant is realized. The problem of plant treatment after polluted soil remediation is solved, consumption of extra resources is avoided, and the sewage treatment cost is greatly reduced.

The invention discloses a carbon quantum dot / metal organic framework composite material as well as a preparation method and application thereof, and the method is characterized in that carbon quantum dots derived from waterborne polyurethane are embedded into a zeolite imidazate framework 8 to prepare the carbon quantum dot / metal organic framework composite material. The composite material can be used as a ratio type fluorescent probe for trace detection of tetracycline, a dual-emission fluorescence signal of the probe is derived from tetracycline which quenches blue fluorescence of puCDs at 450 nm through an inner filter effect, and the coordination effect between Zn < 2 + > and tetracycline triggers an aggregation-induced emission effect, so that new fluorescence emission is generated, and the detection sensitivity is improved. The intensity of the two signals changes in proportion to the concentration of tetracycline, the wide linear concentration detection range and the low detection limit are achieved, the probe has the high recovery rate and the large adsorption capacity in detection, the problems that a traditional detection method is insufficient in sensitivity, poor in anti-interference capacity, high in cost and the like are solved, and the application prospect is wide. A new thought is provided for constructing a ratio type fluorescent probe with a removal function.

The present invention relates to the field of environmental protection and discloses a method for removing tetracycline from water. The method uses an iron single-atom material to adsorb tetracycline in water. The iron single-atom material is prepared according to the following steps: (1) mixing ethanol, dimethylformamide, ammonia water, and water to obtain a mixed solution; (2) mixing zinc chloride, iron triacetylacetonate, and triazole with the mixed solution, stirring and reacting, to obtain an iron-doped metal-organic framework material; and (3) pyrolyzing the iron-doped metal-organic framework material at 850 to 950° C. under a protective gas atmosphere to obtain the iron single-atom material. The method provided by the present invention can be applied in complex water environments and has great significance for environmental protection. At the same time, the present invention proposes for the first time the use of an iron single-atom material as an adsorbent for adsorbing tetracycline in water, providing a new application for the iron single-atom material.

The invention discloses a preparation method of zanthoxylum bungeanum maxim waste biochar and application of the zanthoxylum bungeanum maxim waste biochar in environmental remediation, and relates to the technical field of antibiotic pollution, the preparation method of the zanthoxylum bungeanum maxim waste biochar comprises the following steps: taking zanthoxylum bungeanum maxim waste as a raw material, drying, crushing and sieving the zanthoxylum bungeanum maxim waste to obtain a powdery material, and performing KOH activation treatment on the zanthoxylum bungeanum maxim waste then, the powder is placed in a tubular furnace and subjected to high-temperature pyrolysis in an inert atmosphere, and the modified zanthoxylum charcoal is obtained. The prepared Chinese prickly ash biochar has high specific surface area and pore volume, has a remarkable adsorption effect on tetracycline in a water body, and is stable in performance. Meanwhile, the preparation method is simple, large-scale popularization and application are easy, recycling of waste resources is achieved, and the environment-friendly biochar material with excellent adsorption performance is provided for adsorption and purification of antibiotic wastewater.

The invention discloses a preparation method and application of a Schottky junction ternary composite photocatalyst. The preparation method comprises the following steps: (1) respectively preparing RF powder, an EA-Fe solution and a Ti3C2MXene aqueous solution; and (2) mixing the RF powder, an EA-Fe solution and a Ti3C2MXene aqueous solution in proportion, and reacting in a dark place. The Schottky junction ternary composite photocatalyst is added into waste water containing tetracycline hydrochloride, after dark reaction adsorption equilibrium, visible light irradiation is carried out, and photocatalytic degradation is started. The RF / EA-Fe / Ti3C2-MXene composite photocatalytic material is prepared under the conditions of normal temperature and normal pressure, the conditions are mild, the mass proportion can be accurately controlled, and the RF / EA-Fe / Ti3C2-MXene composite photocatalytic material is suitable for large-scale production; and (4) the prepared composite material has the advantages of high catalytic activity, convenience in Schottky junction construction, low cost, multi-functionalization and the like.

The invention relates to a method for preventing and controlling antibiotic and drug-resistant gene transmission in a soil vegetable system based on a charcoal-based composite material. According to the invention, agricultural waste corn straw is used as a precursor, magnetic iron and graphite phase carbon nitride are loaded through a hydrothermal reaction, and then high-temperature calcination is carried out to prepare a FeBC / g-C3N4 (short for FeBC / g-CN) biochar composite material which is used as a soil conditioner. The prepared biochar modifier is applied to polluted farmland soil to be treated, sufficient and uniform mixing is conducted, vegetable seeds are sown, illumination is provided, and a certain water content of the soil is kept, the prepared biochar modifier is simple in preparation method and application method and remarkable in effect, the reduction rate of tetracycline in soil vegetables is increased through use of the biochar modifier, and the soil quality is improved. Meanwhile, transmission of antibiotics and drug-resistant genes in a soil vegetable system is blocked and controlled.

The invention belongs to the technical field of biological materials, and particularly relates to a preparation method of a KOH activated fungal mycelium biochar / chitosan composite material. According to the preparation method disclosed by the invention, Phanerochaete chrysosporium mycelium is used as a carbon source, and KOH chemical activation and chitosan surface modification are sequentially carried out, so that the charcoal / chitosan composite material CHKBC is prepared. The CHKBC material prepared by the method is large in specific surface area, developed in pore structure, rich in mesopores and excellent in adsorption performance and regeneration performance; the specific surface area is up to 3650-3920m < 2 > / g, the average pore size is 2-4nm, and both the specific surface area and the average pore size are higher than those of precursor biochar and activated biochar; the maximum adsorption capacity of tetracycline TC is 650-690 mg / g, which is far higher than that of KBC and BC. After five times of recycling, the average regeneration efficiency is higher than 90%, and the regeneration performance is good.

The invention discloses amorphous oxygen-deficient strontium titanate and a preparation method and application thereof.The preparation method includes the steps that isopropyl titanate is dissolved in ethylene glycol, and a solution A is obtained; dissolving strontium acetate and indium nitrate or zinc acetate in deionized water to obtain a solution B; and under magnetic stirring, dropwise adding the solution A into the solution B, stirring until the solution is uniformly dispersed, adding NaOH into the solution, stirring until the NaOH is completely dissolved, carrying out hydrothermal reaction, cooling to room temperature, cleaning and drying. The amorphous oxygen-deficient strontium titanate catalyst with high specific surface area, high performance and high stability is prepared by a hydrothermal method. The introduction of indium or zinc interferes with the nucleation and growth process of strontium titanate, and abundant surface defects are formed on the surface of strontium titanate, so that more reaction active sites are provided for photocatalytic reaction; the specific surface area and the carrier transport performance of strontium titanate are improved, and the adsorption capacity of the catalyst to antibiotics is enhanced; the amorphous design ensures that strontium titanate has a good structure and photocatalytic stability.

The invention provides a device and a method for detecting antibiotics in aquaculture water, and belongs to the technical field of environmental pollutant detection. According to the device disclosed by the invention, a Fe3O4 (at) GO magnetic nano adsorption material is packaged in a micro-fluidic chip reaction chamber, and a magnetic sticker is innovatively adopted to realize immobilization and replaceable design of an adsorbent; the integrated electromagnetic oscillation module drives the adsorbent to vibrate in the microchannel, and the mass transfer capture efficiency of antibiotics such as sulfonamides, quinolones and tetracyclines is remarkably improved. According to the method, an adsorption-elution-detection integrated process is initiated for the first time, the pretreatment time is shortened to be within 10 minutes from the hour level, synchronous detection of 0.01-5 [mu] g / L ultra-trace multi-component antibiotics in 5-10 [mu] L of a water sample is achieved, compared with a traditional method, the detection precision is remarkably improved, the matrix interference resistance is high, and the method is suitable for large-scale popularization and application. The method is suitable for real-time online monitoring of multiple antibiotic residues in the aquaculture environment.

The invention discloses a composite adsorbent for removing tetracycline in wastewater and a preparation method thereof, and relates to the field of wastewater treatment.The preparation method comprises the following steps that gasified slag and corn roots are pretreated and then mixed and pyrolyzed to prepare a magnetic biochar substrate, the magnetic biochar substrate is dispersed in a solvent, copper salt and organic ligands are added, and the magnetic biochar substrate is obtained; and collecting products through an external magnetic field to obtain the composite adsorbent for removing tetracycline in wastewater. A copper-based metal organic framework material grows in situ on a gasified slag / corn root biochar substrate, and the specific surface area of the material is increased by using a highly ordered porous structure of MOF; through the combined action of various mechanisms, the adsorbent shows extremely high adsorption capacity and good selectivity on tetracycline molecules.

The invention relates to the technical field of photoelectrocatalysis materials, in particular to a photoelectrocatalysis material electrode, a preparation method and application. The electrode is prepared by the method. The method comprises the following steps: preparing cellulose nanofiber hydrogel doped with titanium black; after the cellulose nanofiber hydrogel doped with the titanium black is subjected to first pretreatment, titanium strips subjected to second pretreatment are respectively pasted on the front surface and the back surface of one end of the cellulose nanofiber hydrogel doped with the titanium black to obtain a cellulose nanofiber hydrogel electrode plate doped with the titanium black; the part, located below the titanium strip, of the electrode plate is immersed in an MOFs dispersion solution, loading treatment is conducted under stirring, and the double-three-dimensional-structure photoelectrocatalysis material electrode is obtained. The application refers to application of the electrode in degradation of tetracycline wastewater. The problems that an existing photoelectrode is low in reaction rate for tetracycline antibiotics and titanium black powder and MOFs powder are prone to loss can be solved.

The invention discloses a P.megaterium strain with stress resistance, growth promotion and environmental restoration functions and application thereof, and belongs to the technical field of microorganisms. According to the present invention, the preservation number of the Pristeria megaterium XT106 provided by the invention is CCTCC (China Center For Type Culture Collection) NO: M 2025912, and the preservation number of the Pristeria megaterium XT106 provided by the invention is CCTCC NO: M 2025912; the Pristia megaterium XT106 provided by the invention is a strain capable of oxidizing manganese to form a biological manganese oxide, and the biological manganese oxide can adsorb and remove heavy metals (Cu, Sb, Pb, Zn, Cd and Cr) and degrade antibiotics (tetracycline and ciprofloxacin). The strain can move, tolerate acid-base, high-salt, phenanthrene and sulfamethoxazole environments, has the capability of generating a biological membrane, and can generate hydrogen sulfide, adsorb / fix and remove heavy metals (Cd, Pb, Zn, Sb and Cu) and promote plant growth.

The invention discloses a tetracycline hydrochloride-containing wastewater treatment method in the field of wastewater treatment, which comprises the following steps: introducing tetracycline hydrochloride-containing wastewater into a reactor, adding a multilevel structure iron and iron sulfide composite carbon material, and adjusting the system to a nearly neutral condition; then adding potassium peroxymonosulfate composite salt, starting a direct current system, and carrying out catalytic degradation reaction under specific current density; and finally recovering the catalyst through magnetic field separation. The preparation method comprises the following steps: grinding pyrite and hematite, ball-milling and mixing the ground pyrite and hematite with orange peel powder and sodium hydroxide, and carrying out microwave pyrolysis, acid washing and drying, hydrogen peroxide surface treatment and the like to obtain a final product. According to the method, efficient degradation of tetracycline hydrochloride under the neutral condition is achieved, the catalyst can be magnetically recycled, secondary pollution is avoided, and the method has the advantages of being low in cost, easy and convenient to operate, environmentally friendly and the like.

The invention provides a fluorenyl alcohol derivative which can be used as an antibiotic adjuvant with a broad-spectrum synergistic effect. According to the compound, bacteria outer membrane asymmetric protein MlaC and phospholipase A1 PldA are taken as targets, and a series of fluorenyl alcohol derivatives targeting the bacteria outer membrane asymmetric protein MlaC and phospholipase A1 PldA are obtained through screening. The preferable compound WTU-15 can improve the antibacterial activity of antibiotics such as polymyxin, cefepime, tetracycline and the like on negative bacteria such as sensitive and drug-resistant escherichia coli, salmonella, klebsiella pneumoniae, acinetobacter baumannii and the like, and can also improve the in-vivo treatment effect of cefepime on mice infected by the drug-resistant acinetobacter baumannii. And the visceral organs of the mice survived after administration have fewer bacteria, and the mice are better after being healed. Normal physiological and visceral organ functions of the mouse are not affected by single and continuous administration of the WTU-15.

Provided herein are tetracyclic heterocyclic compounds which can be useful for methods of treating a disease or for increasing neural plasticity. The compounds can also be useful for increasing dendritic spine density.

Provided herein are tetracyclic heterocyclic compounds which can be useful for methods of treating a disease or for increasing neural plasticity. The compounds can also be useful for increasing dendritic spine density.

A method of treating Alcohol Use Disorder (AUD), Substance Use Disorder (SUD), tobacco use, pain, or proinflammatory disorders comprising: providing a subject with an effective amount of a modified tetracycline or derivative thereof to ameliorate or eliminate the AUD, SUD, tobacco use, pain, or proinflammatory disorder, and wherein the modified tetracycline or derivative thereof has reduced binding to a microbial ribosome and has the formula:wherein R1 is acetyl, R2 is OH or acetyl, R3 is acetyl, R4 is H or acetyl, and R5 is acetyl.

The invention relates to the technical field of self-adaptive degradation control scheme design based on tetracycline polluted water, in particular to a self-adaptive degradation control method and system based on tetracycline polluted water. The method comprises the following steps: arranging a plurality of monitoring points in a polluted water body, monitoring water quality parameters such as tetracycline concentration, dissolved oxygen, pH value and the like in real time, fusing and processing data, and predicting the degradation condition by using a tetracycline degradation model. When the water quality parameters meet the preset conditions, a feedback adjusting mechanism is triggered, and the microbial flora putting amount, the nutrient substance supply amount and the environmental conditions (temperature and pH value) are automatically adjusted. The invention also provides a microbial flora feeding amount, a nutrient substance supply amount adjusting rule and an environmental condition adjusting mode. The system comprises a monitoring module, a data analysis module and a feedback regulation module. According to the invention, self-adaptive control of tetracycline polluted water degradation is realized, the degradation efficiency is effectively improved, and the stable treatment effect is guaranteed.

The invention discloses a method for purifying tetracycline and efficiently producing oil by using microalgae in a cross-temperature zone, and belongs to the field of microalgae bioengineering. The invention aims to solve the technical problem of tetracycline pollution in the current cold region water environment. The method comprises the following steps: preparing a seed solution for microalgae culture, inoculating the seed solution into a BG-11 culture medium containing tetracycline, culturing until the logarithmic growth later stage of microalgae, centrifugally collecting algae cells, freeze-drying and weighing, and extracting grease in dry algae powder by utilizing an ultrasonication combined organic solvent method. The method disclosed by the invention is simple to operate, can be used for producing biological energy and adsorbing and degrading tetracycline under the low-temperature treatment condition by utilizing the microalgae, meanwhile, the stress resistance of the microalgae under the low-temperature condition is improved, the permeability of algae cells is regulated and controlled, and the production of the microalgae biological energy is promoted. The method disclosed by the invention is used for purifying tetracycline in cross-temperature zones and efficiently producing oil.

The invention relates to a construction method of an acousto-optic catalytic reactor for removing tetracycline through photoactive MOF (Metal Organic Framework). A photoactive MOF material is synthesized through a solvothermal method; adding the synthesized MOF material and a tetracycline aqueous solution into a quartz reactor, and stirring for 30 minutes in a darkroom; starting circulating condensate water, a magnetic stirrer, ultrasonic waves and a light source, and carrying out acousto-optic catalysis to remove tetracycline reaction; sampling at certain time intervals, filtering, testing, and calculating the removal efficiency of tetracycline. According to the acousto-optic catalytic reactor constructed by the invention, the MOF material has excellent light absorption and photo-generated charge splitting performance, and ultrasonic catalysis is cooperated, so that the contact between MOF and tetracycline molecules is enhanced, and efficient removal of tetracycline is realized. The acousto-optic catalytic reactor disclosed by the invention is low in cost, simple in structure, high in efficiency and high in speed, and has good stability and repeatability. According to the scheme, the problem of low tetracycline removal efficiency is solved, an efficient and environment-friendly solution is provided for environmental protection and ecological restoration, and the method has wide application prospects.

The invention discloses biological activated carbon for removing tetracycline from wastewater and a wastewater purification method. The preparation of the biological activated carbon is safer and more environment-friendly, and the biological activated carbon has excellent adsorption performance on tetracycline. The biological activated carbon is bamboo-based activated carbon prepared by performing steam thermal activation on bamboo-based biological carbon; the specific surface area SBET is 1100-1300 m < 2 > / g, the micropore specific surface area Smon is 1080-1200 m < 2 > / g, the outer surface area Sext is 60-70 m < 2 > / g, the total pore volume Vtotal is 0.78-1 cm < 3 > / g, and the average pore diameter Dave is 2.7-3.1 nm; the Fourier transform infrared spectroscopy FTIR analysis result shows that an absorption peak appears in the wave number range of 3200-3600 cm <-1 >, which corresponds to the stretching vibration of hydroxyl; the photoelectron spectroscopy XPS analysis result shows that the relative content of the pi-pi * characteristic peak is 5.7-7%. The bamboo-based activated carbon has excellent adsorption performance on tetracycline.