Vincent Van Gogh is considered today as the greatest Dutch painter and loved by many people. Unfortunately, his paintings suffered degradation problems. This paper introduces the pigments used in Van Gogh's paintings and reveals the fading's secret based on chemical principles, the research of pigment chemistry also can help to choose the best strategy for the proper conservation of art masterpieces.

This paper takes the science popularization of chemistry as an example to discuss the connotation and development process of documentary, particularly chemistry documentary. From the aspects of content, form and characteristics, this paper analyzes several chemical popular science documentaries with good reputation and high quality. The material and spiritual values of chemical documentaries are summarized, the prospect of science popularization in China is prospected, and some simple suggestions for the development of chemical science documentaries in the future are put forward.

Based upon the method of making recycled paper and the knowledge of natural pigments, this popular science experiment proposed an approach for making recycled paper dyed with vegetable pigment. This popular science experiment exhibited scientific, intriguing, brief and high operability. Moreover, we also creatively designed some interesting handmade works including pulp paintings, coasters, and origami, using dyeing paper and dyeing pulp. This experiment would provide a useful practice of chemical sustainable development, which helps the public better understand the chemical principle of recycled paper making and the extraction method of natural pigments.

Rhodium and iridium are two rare elements of the platinum family, and they have very similar properties. In a third-person personification, their unique physical and chemical properties, such as boiling point, reflectivity, elastic modulus, catalytic activity, and chemical stability have been introduced by designing a game of challenges. Additionally, the properties of their oxides and halides are also included, especially their applications in electroplating, automobile tail gas catalytic converters, thermocouple manufacturing.

Palladium and its compounds have been widely used in human production and life. This paper compares palladium to a century-old family, and introduces the properties and applications of palladium from the perspective of a journalist.

Hydrogel is a polymer with a three-dimensional network structure, and is widely used in food, daily necessities and high technology fields. This article introduced the applications of natural hydrogels in food by using the examples of delicacy from Xi'an. On one hand, the chemistry for the preparation of these foods was well introduced, especially the potential health hazards and identification methods of borax, industrial gelatin and alum in hydrogel food were also introduced. On the other hand, the properties and advanced applications of hydrogels are also included.

Aromaticity is the characteristic of aromatic substances such as aromatic hydrocarbons and aromatic heterocycles, which is both important and difficult in the organic chemistry courses. Based on the structure and properties of benzene and heterocyclic compounds, coupled with wild imagination, this paper wittily tells the story of the college student Xiaohuamei traveling across the heterocyclic country and transforming into princess benzene, forming an eight-member group with the four princes of pyridine, pyrrole, furan and thiophene, the maid cyclopentadiene, the pageboy piperidine and tetrahydrofuran. With the attention of the public, they successfully passed the graduation defense and obtained the qualifications of the aromatic country. The aim is to deepen readers' understanding of the nature, the judgment basis, the structure and properties, as well as application of aromatics and aromatic heterocycles through analogy in a lively way, lead readers to further understand the scientific thought in the development process, and remind people to pay attention to the social impact of aromatic compounds.

Activated carbon is a form of carbon materials with strong adsorption capacity. Both broad-spectrum and specificity can be regulated by preparation and processing methods. It plays an important role in removing impurities during purification processes. In this paper, the anthropomorphic method is used to demonstrate the properties of activated carbon and its classification vividly, so that readers may fully understand the family of activated carbon and its applications in fun.

Cadmium and its compounds have many applications in human production and life, but it also causes environmental pollution. Herein, this paper shows the properties and applications of cadmium.

Nitrogen is a common and widely distributed element. It plays important roles in the production and life. In this paper, the nitrogen atoms and chemicals known to human beings were integrated into a "Nitrogen Association", and then the story involving nitrogen families was introduced to a young man in dream by Mr. Nitrogen, President of the Nitrogen Association. The purpose is to let readers know more about the history, distribution, elementary substance and compounds of nitrogen.

The research on quantum dots has been very active in recent years. Among them, carbon quantum dots have attracted much attention due to their various advantages. In this paper, we describe the nature of carbon quantum dots and their applications in various industries by describing the development of the company and using anthropomorphic techniques. It aims to give the reader an easy and enjoyable introduction to carbon quantum dots.

Based on the "returning home" experience of Edible Bird Nest (EBN), the main components of EBN, the corresponding efficacy and harm, the preparation method of sialic acid in EBN, the adulteration and authenticity identification of EBN were described in the first person role by using anthropomorphic technique, so that readers can understand EBN in a vivid and lively way.

Tantalum and niobium are father and daughter with similar properties. They have high chemical stability and wide applications. However, who is more unique and outstanding? This paper presents the properties and applications of niobium and tantalum compounds through the multi-round competition between father and daughter.

This article describes the whole process of Xiao Ming getting a Helicobacter pylori infection, detecting this bacterial infection and curing the disease. It tells how the gastric wall cells protect themselves from the harm of gastric acid, the survival strategies for Helicobacter pylori in stomach, the detection methods and the treatment of Helicobacter pylori infection.

Radioactive elements have played an essential role in human life and production. Herein, this paper introduces the properties of several representative radioactive elements, and the applications of radioactive elements in life and production. Our aim is to make it easier for readers to understand in a more lively way.

Through a story that the main character Xiaoquan visits the new house of his aunt and uncle, the series of dialogues on formaldehyde discloses the toxicity, the removal in indoor air and the chemistry mechanism. This article also introduced some practical uses of formaldehyde.

This paper introduces four common methods (ultrasonography, blood biochemical examination, computed tomography and magnetic resonance imaging) for early screening of liver cancer and the core principles of detection with the story of detectives tracking suspects. This paper takes the high-risk population of primary liver cancer as the main subject, combines the knowledge of medicine and analytical chemistry, popularizes the early detection process of liver cancer, encourages the population with high risk of liver cancer to have regular physical examination, and enables people to have a more comprehensive understanding of cancer detection.

As the first molecule found in glycopeptide antibiotic family, vancomycin has been considered as the last line of defense for multidrug-resistant Gram-positive bacteria for a long time. In this paper, we utilized several short stories from different narrative perspectives to summarize the whole process of discovery and development of vancomycin. Furthermore, we also introduced some biochemical and organic concepts related to vancomycin at the same time.

By anthropomorphizing Re and Os, an adventure journey is depicted to show people the detection principles and methods of Re-Os isotopic dating. It aims to combine the applications to vividly depict the popular science of Re-Os isotopic dating.

This article introduces clenbuterol through a trial that takes place in chemistry city. First, we introduce properties and medicinal value of clenbuterol, and explain the harm of clenbuterol in the trial. Then we elaborate the relationship and difference between clenbuterol and lean meat powder. Finally, detection methods of clenbuterol are presented to enhance people's understanding of clenbuterol.

Perfume, a pleasant smell, enriches people's material life and spiritual and cultural life. Through the perfume design competition and chemical knowledge, the development history, chemical composition and individual differences of perfume were introduced in the way of personification.

The Nobel Prize has become the highest honor of science nowadays, and the awarded achievements represent the most influential achievements in the process of human exploration of natural science. Although these achievements sound "high and cold", they are actually not far from our lives. This paper selects some Nobel Prize achievements which are closely related to our life and shows how these achievements affect our life through the life and dialogue of Dahua and Xiaoxue. This can further realize the importance of science and technology, and make people pay more attention to the development of science and technology, and stimulate teenager's enthusiasm for science and technology.

In the form of debate contest and with the combination of real life, this article introduces the physiological activities and structural functions of ginkgolides and flavonoid from the aspects beneficial to human beings, while introduces structural functions and pathogenic mechanism of glycosides, ginkgolides and cyanosides.

The article personifies the heavy metal element mercury, which describes its physical and chemical properties through the dialogue between human and mercury. Then it introduces alchemy and some uses of mercury in modern times. In addition, the toxicity of mercury vapor and organic mercury is also discussed.

Based on the story of an archaeologist who investigated the hanging coffin in the Three Gorges, this paper introduces the basic principles, common detection methods and applications of radiocarbon dating, and systematically popularizing the relevant knowledge of ¹⁴C dating. The methods of classification, sampling and analysis of radiocarbon samples are introduced. At the same time, this paper introduces the cliff tomb in Sichuan-Chongqing area, showing readers the unique charm of ancient Bashu culture.

As a chemical widely used in human life, alum plays an important role in painting and calligraphy, water purification, dyeing, architecture, medicine, etc. However, it does harm to our health when used as a food additive. This article tells the story of alum's journey through time and space in the first person and lets readers explore the properties and applications of alum with their interest sparked.

Boron has played an essential role in human life and production. Herein, this paper personifies Boron to describe its properties and applications in life and production. Our aim is to make it easier for readers to understand in a more lively way.

Metal-organic frameworks (MOFs) are a kind of compounds with a three-dimensional periodic network structure. MOFs exhibit excellent performance in adsorption and separation due to their high porosity, large specific surface area and adjustable pore size. This paper uses the anthropomorphic technique to show the nature, structure regulation as well as adsorption and separation applications of MOFs to the readers.

The pursuit of perfect blue pigments since the 20th century has led to new breakthroughs in the field of contemporary art and the development of new pigments. After two years of research on Cyanotype, we created a series of cyanotype works using different materials and fine-tuned processes. Cyanotype experiment was chosen into the chemistry laboratory course. It is a "Cyanotype adventure" that blends chemistry and art by holding an art exhibition to introduce cyanotype to the public.

Sodium nitrite is the most commonly used food additive in the production of meat products. It has moderately strong toxicity. It has important applications in chemical, pharmaceutical, textile, machinery and other industries. This paper introduces the preparation, properties and applications of sodium nitrite in the form of sitcom.

A unique magic performance for oxygen was designed, in which the key role of the magic performance, a chemical doctor, Dr. X gave a discovery story for oxygen. The performance reveals the discovery route of oxygen, leading the teenagers to understand the colorimetric technology and sensing materials of oxygen, as well as their applications. The story will let the younger to inspire the truth value of sciences from the discovery process of oxygen.

The rapid development of short video has changed the way people obtain information. After fully integrating with the characteristics of chemistry, short video on chemistry has become an important way for popularization of chemistry, which has ushered in a new era. This paper analyzes the current situation of popularization of chemistry in short video, including tiktok's content, form and influence, and puts forward some suggestions for the development of popularization of chemistry using short videos, so as to promote the further development of popularization of chemistry in the short video platform.

This article uses the first-person perspective, with the birthday party as the storyline, to popularize the properties and functional applications of nickel from the perspectives of alloys, inorganic salts, complexes and organic organisms. By the use of anthropomorphic technique and popular language, it's more suitable for ordinary people to read, which could improve people's cognition of chemistry knowledge, and stimulate students' interest in chemistry.

Lemons are full of treasures, rich in nutrition and versatile. Anyue lemons, due to the excellent appearance and texture, are well-known and the best-selling in the world, thus become a beautiful business card for China. Based on foodie Li Muzi and Lingmeng elves' virtual travelling of the world's five major lemon gardens, the paper taking the Anyue Shining Garden as the scene props, anthropomorphically introduces the origin, varieties, ingredients, functions of lemons, culture, and the characteristics and development of Anyue lemons through the explanation of the robot Dr. Lemon. The source and application of citric acid have also been discussed, aiming to popularize lemon-related knowledge in a lively way to encourage people to know, use, and love lemons. It also describes the characteristics, grand development and strong cultural color of Anyue Lemon, which helps to inherit the national brand culture, perceive the national spirit, enhance national pride and self-confidence, and spread the concept of green development.

With the great development of modern science and technology, chemistry has gradually penetrated into different disciplines, especially in forensic medicine. In this article, we will follow Professor Fall on a wonderful detective journey to understand how ancient and modern forensic scientists use chemical means to detect the disappeared blood, restore the process of the event, and uncover the truth behind various cases.

This paper anthropomorphizes onions to explain why cutting onion can irritate eyes and introduce the methods to eliminate the irritation in the first person. It helps the audience to get acquaintance with the nutritive composition, the value of dietary therapy and the onion model.

Antique is the valuable cultural heritage material that our ancestors gave us. This paper reveals the chemical principle of antique aging and the "secret" of antique aging from the chemical point of view, as well as analyzes the basic chemical principle of illegal peddlers using the aging technology to intentionally fabricate. More importantly, using these chemical principles to maintain, repair and copy cultural relics is the correct way to use antique aging, which aims to let readers understand the chemical nature of aging and enhance readers' attention and concern to cultural relics.