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Natural Products Chemistry, Phytochemistry, and Pharmaceutical Chemistry

From 21.28 C$ /h

Welcome to university students or masters and doctoral students!!! I teach the course of Natural Products Chemistry or Phytochemistry or Pharmacognosy. In this class we will learn about the methods of extracting, separating and identifying the chemical form of active chemical compounds (biologically active secondary compounds) from natural sources, such as medicinal and aromatic plants. We will also discuss what is known as chromatography, spectroscopy, spectroscopy, mass spectrometry, magnetic resonance and advanced analysis devices used in this field.

This is in addition to knowing some important applications of these active materials in various fields, such as the pharmaceutical industry, agriculture, etc. We will also learn the practical and laboratory methods that are carried out in the laboratory to conduct toxicity, antioxidant, and diabetes analyses, etc.

Experience: About 20 years of practical experience in the field of chemistry, medicinal and aromatic plants and pharmacy with parallel training and private lessons for science and chemistry curricula.

With my qualifications and experience, I hold a master’s degree and a doctorate in organic chemistry (chemistry of natural products), in addition to other graduate degrees and a doctoral scholarship in pharmaceutical sciences in Belgium from the Erasmus Mendus Organization of the European Union.

Location

Online from Egypt

About Me

Hello students! Do you find it difficult to learn science subjects, specifically chemistry? This may be because chemistry contains some difficult or complex concepts or terms. If you are one of these people, there is no need to worry!! Hello and welcome, my students, to the right place to solve this problem, through simplifying science lessons, especially chemistry. Through these lessons, we will learn together how to deal with matters and terms that are difficult to understand, because I have extensive experience extending to more than 15 years in conveying complex concepts in a clear, easy and simple way. My goal is to make science and chemistry in general and organic chemistry in particular fascinating and understandable to everyone. As a dedicated teacher, I create an interactive and stimulating learning environment for my students using the latest methods. I am ready to share my passion and guide every student towards excellence and success in the field of science, organic chemistry, and in study in general, as I work as a mentor to students in an international institution.

In addition, I have excellent communication and presentation skills, and I am patient and calm when teaching. In addition, I constantly monitor my students’ progress and regularly evaluate their understanding by constantly solving objective questions, as I care more about understanding than memorization. On the other hand, I also maintain good follow-up with parents. My approach to teaching is outcome-oriented, with an emphasis on helping students understand and master information.

For university students or master’s and doctoral students, I teach natural products chemistry or phytochemistry. In this course, we will learn about methods of extracting, separating, and defining the chemical form of active chemical compounds (biologically active secondary compounds) from natural sources, such as medicinal and aromatic plants. We will also discuss knowledge of what is known as chromatography, spectroscopic devices, spectroscopic and mass analyses, and magnetic resonance. This is in addition to knowing some important applications of these active substances in various fields, such as the pharmaceutical industry, agriculture, etc. We will also learn the practical methods that are carried out in the laboratory to conduct toxicological, antioxidant, and diabetes analyses, etc.

And last but not least, “For those interested in scientific research,” there is a course dedicated to learning what scientific research is, how to choose a research point, how to write scientific research, how to find the appropriate journal for publication, and everything related to this topic.

With my qualifications and experience, I hold a master’s degree and a doctorate in organic chemistry (chemistry of natural products), in addition to other graduate degrees and a doctoral scholarship in pharmaceutical sciences in Belgium from the Erasmus Mendus Organization of the European Union.

Experience: About 20 years of practical experience in the field of chemistry, medicinal and aromatic plants and pharmacy with parallel training and private lessons for science and chemistry curricula.

Education

He holds a master's and doctoral degrees in organic chemistry (chemistry of natural products), in addition to other graduate degrees and a doctoral scholarship in pharmaceutical sciences in Belgium from the Erasmus Mendus Organization of the European Union.

Experience / Qualifications

About 20 years of practical experience in the field of chemistry, medicinal and aromatic plants and pharmacy with parallel training and private lessons for science and chemistry curricula.

Experience in the field of scientific research, writing scientific research, and carefully reviewing it.

Age

Adults (18-64 years old)

Seniors (65+ years old)

Student level

Beginner

Intermediate

Advanced

Duration

30 minutes

45 minutes

60 minutes

The class is taught in

Arabic

English

Skills

Chemistry

Organic chemistry

Reviews

Availability of a typical week

(GMT -04:00)

New York

Online via webcam

Mon

Tue

Wed

Thu

Fri

Sat

Sun

00-04

04-08

08-12

12-16

16-20

20-24

Basics of Scientific Research for Bachelor's, Master's and Doctoral Students (Sciences - Pharmacy)

21.99 C$ /h

If you love scientific research, especially in the field of chemistry or pharmacy, but you do not know where to start or do not know the correct methods of scientific research, then welcome to the course dedicated to learning:
What is scientific research?
How to choose a search point
How to write scientific research
How to find the right journal to publish
How to publish in international journals
How to follow up and track research after submitting it to the journal
How to respond to the journal after the research has been reviewed by the referees?

Experience: About 20 years of practical experience in the field of chemistry, medicinal and aromatic plants, and pharmacy, with parallel training and private lessons for chemistry science curricula.

With my qualifications and experience, I hold a master’s degree and a doctorate in organic chemistry (chemistry of natural products), in addition to other graduate degrees and a doctoral scholarship in pharmaceutical sciences in Belgium from the Erasmus Mendus Organization of the European Union.

Teaching chemistry to school and university students in a simplified manner

18.34 C$ /h

Hello students! Do you find it difficult to learn science subjects, especially chemistry? This may be because chemistry contains some difficult or complex concepts or terms. If you are one of these, do not worry!! Hello and welcome to you, my students, in the right place to solve this problem through simplifying science lessons, especially chemistry. Through these lessons, we will learn together how to deal with difficult-to-understand matters and terms, because I have extensive experience extending to more than 15 years in conveying complex concepts in a clear, easy and simple way. My goal is to make science and chemistry in general and organic chemistry in particular wonderful and understandable for everyone. As a dedicated teacher, I create an interactive and stimulating learning environment for my students using the latest methods. I am ready to share my passion and guide each student towards excellence and success in the field of science and organic chemistry and in studies in general, as I work as a student advisor in an international institution. In addition, I have excellent communication and presentation skills and am patient and calm when teaching. In addition, I constantly follow up on my students' progress and regularly evaluate their understanding through continuous solution of objective questions, as I care more about understanding than memorization. On the other hand, I also maintain good follow-up with parents. My teaching approach is directed towards achieving the highest results, with a focus on helping students understand and master information.

For university students or master's and doctoral students, I teach the course of natural product chemistry or phytochemistry. In this course, we will learn about the methods of extracting, separating and identifying the chemical form of active chemical compounds (biologically active secondary compounds) from natural sources, such as medicinal and aromatic plants. We will also discuss what is known as chromatography, spectroscopy devices, spectroscopy, mass spectrometry and magnetic resonance analysis. In addition to knowing some important applications of these active materials in various fields, such as the pharmaceutical industry, agriculture, etc. We will also learn the practical methods that are carried out in the laboratory to conduct toxicity, antioxidant and diabetes analyses, etc.

Finally, "for those interested in scientific research" there is a course dedicated to knowing what scientific research is, how to choose a research point, how to write scientific research and how to find the appropriate journal for publication and everything related to this topic.

Experience: About 20 years of practical experience in the field of chemistry, medicinal and aromatic plants and pharmacy with parallel training and private lessons for chemistry curricula.

With my qualifications and experiences, as I hold a master's degree and a doctorate in organic chemistry (chemistry of natural products), in addition to other postgraduate certificates and a doctoral scholarship in pharmaceutical sciences in Belgium from the Erasmus Mundus organization affiliated with the European Union.

Raef

4.73

(136)

Experienced college graduate teacher. of Science and College. of Medicine for more than 18 years gives private lessons at home or online by a very modern method of Mathematics - Analysis - Matrices - Statistics - Algebra - Physics - Chemistry - Biology of French program to students of Terminales, 1ère, Seconde, Brevet, Competition and university preparatory classes for the year 2022/2023. As well as for IB international program students in English.
You can contact me for details.
I practice teaching since I was a student where I was first in my class.
Program and prices specific to the countries of South America which ends their program later where I can be there with help to better prepare CNED's homework
My final year results were with VERY GOOD AND GOOD AND EXCELLENT honors.
Do not hesitate to contact me for more information, answer in a few minutes to 12 hours

Aneeka

4.73

(136)

I am currently a Medical Student and have completed a degree in Biomedical student at Cardiff University. I am warming friendly, willing to help and enthusiastic person. I put all my effort in to something I do. I relish the opportunity to help those who are struggling or who wish to go the extra mile to deepen their knowledge of their chosen subject. f you would like some support for your child im here to help at any age up-to A level
I can provide highly planned, engaging, student-centred lessons that are catered to each individual's needs, and I can be as flexible as you'd like with timings and prefer to go on Skype.

I can provide references. I have previously done work in nurseries and primary schools. I also have taught small children Arabic and religious teachings. I also Have a DBS.

Please don't hesitate to get in touch with me at any time

Mavi

4.73

(136)

I am Mavi, a physics engineer working at an aerospace company.
I have been teaching private lessons at the primary, secondary, high school, and university preparatory levels for 11 years. I teach mathematics, physics, chemistry, and science. I have a good command of the curricula of IB, IGCSE, American, Hong Kong, and international schools.

Additionally, I hold the position of president at the Astronomy Society, where I foster my students' interest in astronomy and science beyond the lessons. I prepare the learning environment by incorporating experiments and exploration, moving away from rote education. I often bring experimental materials to class, aiming to make learning memorable through hands-on experiments.

As an educational mentor, I approach my students as if they were my siblings, valuing creativity. I have a deep passion for mathematics, physics, and science. I am dedicated to helping students understand and learn because life encompasses both SCIENCE and ART. The more people I can inspire to know, understand, and love mathematics, physics, and chemistry, the more proud I am.

Are you curious about how nature works?

Let's explore together!

Amin

4.73

(136)

Struggling with math, physics, or chemistry? You're not alone — these subjects are hard, and classroom explanations are rarely enough.
I offer personalized tutoring for middle school, high school, and early university students following the French Mission curriculum, the Moroccan national curriculum, or the international baccalaureate.
Topics covered:

Mathematics: algebra, geometry, calculus, trigonometry, probability
Physics: mechanics, electricity, optics, thermodynamics
Chemistry: organic, inorganic, stoichiometry, reactions

My approach:
I don't re-explain the textbook — I identify exactly where your understanding breaks down and fix it from there. Each session is built around your specific difficulties, not a preset program.
I completed CPGE (Classes Préparatoires aux Grandes Écoles) in Mathematics and Physics before graduating as a State Engineer — I know these subjects at an advanced level and I know where students typically get lost.
Individual and small group sessions available. Online (worldwide) in French, Arabic, or English.

Mohamed

4.73

(136)

Dear future baccalaureate graduate,

The physics and chemistry exam for the baccalaureate requires a solid grasp of the subject matter, effective methodology, and regular practice. I will guide you through your preparation so you can approach the exam with confidence and composure.

🎯 Why choose this support?

✅ Effective methodology: learn to analyze exercises, organize your answers and manage your time during the exam.

✅ Targeted review of the program: mastery of essential concepts in physics and chemistry.

✅ Intensive training: baccalaureate-style exercises, exam series and detailed corrections.

✅ Personalized follow-up: support adapted to your level, your difficulties and your objectives.

📚 What you get:

Clear and structured course summaries
Methodology sheets
Application exercises
Baccalaureate-style assignments under real-life conditions

My goal is to help you reinforce your knowledge, gain confidence and maximize your chances of success in the baccalaureate exam.

📩 Register now to begin your preparation.

Michael

4.73

(136)

Expert Science & Chemistry Tutor – IGCSE | A-Level | IB | KS3
Online & In-Person Lessons Available in Madrid.

Are you looking for a dedicated, experienced, and results-driven science tutor to help you or your child excel in school or exams? Whether you're preparing for IGCSE, A-Level, IB, or Coordinated Sciences, I’m here to help you achieve your goals.

✅ Subjects Offered:

Chemistry (IGCSE, A-Level, IB, Edexcel, AQA, Cambridge)

Coordinated Sciences (Double Award)

General Science (KS3 & KS4)

Exam preparation and lab skills (Paper 3/ practical-based support)

🧪 About Me:
I’m a qualified and passionate science teacher with over 10 years of experience teaching in international schools across Spain, the UK, and the Middle East. I currently work at a leading international school in and specialise in Chemistry and Coordinated Sciences.

🌟 What You’ll Get:

Personalized 1:1 support tailored to your learning style

Exam-focused strategies to boost confidence and grades

Simplified explanations of complex topics

Friendly, patient, and engaging lessons

Help with homework, projects, revision, and lab reports

📍 Location:

Online worldwide via Zoom/Google Meet

In-person in Madrid, flexible hours available

🎯 Who is this for?

Students aiming for top grades in science and chemistry

Those who need extra support understanding key concepts

IB or A-Level students needing help with Internal Assessments or lab work

📩 Message me today to book your first lesson or ask any questions. Let’s boost your science skills and exam success together!

Stephen

4.73

(136)

⦿ EB & IB Tariff Options Available ⦿
Good morning and welcome on my profile!
I am a passionate and dedicated maths and sciences teacher with over 7 years of experience helping students achieve their academic goals. Whether you're struggling with the basics or advanced concepts, I'm here to support you with patience, clarity, and a deep understanding of math.

(European Baccalaureate and International Baccalaureate tariff options available.)

⦿ Teaching Methods ⦿
I use teaching methods adapted to every learning style. My approach includes:

• Initial Assessment: Understand your current level and identify your strengths and weaknesses through initial assessments.
• Personalized Learning Plans: Develop a personalized study plan that targets your specific needs and goals.
• Interactive Learning: Use of digital tools, visual aids and concrete examples to make concepts more tangible.
• Problem Solving Techniques: Teach various problem-solving strategies and develop critical thinking skills to approach complex issues.
• Regular Reviews and Practices: Integrate regular reviews and practice sessions to reinforce concepts and improve retention.
• Adaptability: Modify teaching strategies based on your progress and feedback to ensure continuous improvement.

⦿ Professionalism ⦿
Professionalism is at the heart of my teaching method. I am committed to providing a respectful, caring and structured learning environment. Here's what you can expect from me:

• Punctuality: I respect your time and ensure that our classes start and end at the scheduled time.
• Preparation: Each session is carefully planned to meet your specific needs and goals.
• Constructive Feedback: I provide constructive and rapid feedback to help you understand your progress and identify areas for improvement.

My goal is to make science accessible and exciting, helping you develop a solid understanding of fundamental principles and practical applications. I hope to help you discover the beauty and complexity of the scientific world while achieving your academic goals.

Prashil

4.73

(136)

Welcome to my Foundation Course in Science and Maths, specially designed for primary, secondary, and high school students in Amsterdam. This course aims to build a strong foundation in these critical subjects, ensuring students excel academically and develop a genuine love for learning.

My teaching approach is focused on making learning enjoyable and engaging. I incorporate interactive activities and hands-on experiments to bring Science and Maths concepts to life. By involving students in these dynamic learning experiences, I aim to transform abstract concepts into tangible understanding. Each session is thoughtfully designed to keep students interested and motivated, minimizing fatigue and maximizing retention.

I believe in simplifying complex topics, breaking them down into easy-to-understand segments. This approach helps students grasp and retain challenging concepts with ease. Techniques such as mnemonic devices, visual aids, and real-life examples are integral to my method, ensuring that formulas and concepts are not just memorized, but truly understood.

Regular assessments are conducted to track student progress and identify areas needing improvement. These tests also prepare students for their school exams, ultimately boosting their confidence. I understand the importance of keeping parents informed and involved in their child’s academic journey. That's why I provide weekly reports detailing their child’s progress, strengths, and areas for improvement. This continuous feedback loop ensures that parents are aware of their child’s development and can support their learning at home.

Encouraging words and positive feedback are integral to my teaching method. I strive to build students' self-confidence and to instill a love for learning through positive reinforcement. Setting achievable goals for each student, I celebrate their successes and motivate them to strive for excellence. This goal-setting approach not only drives academic success but also fosters a sense of accomplishment and self-worth.

As a tutor, my satisfaction comes from seeing my students excel and reach their full potential. My ultimate goal is to empower students with the knowledge and skills they need to succeed in Science and Maths. I am always available to support my students, offering additional help and resources as needed to ensure their success.

I foster an open environment where students feel comfortable asking questions, no matter how simple they may seem. This curiosity drives deeper understanding and encourages a proactive approach to learning. By incorporating games, puzzles, and interesting activities, I ensure that learning remains fun and engaging, keeping students excited about the subjects.

Join my Foundation Course in Science and Maths and watch your child develop a strong foundation, confidence, and a genuine love for these essential subjects. Let’s work together to achieve academic excellence and make learning a fun and rewarding experience. “Excel in Subjects, Soar in Confidence!”

Vincent

4.73

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Science includes all natural science subjects; PHYSICS, CHEMISTRY, BIOLOGY and MATHEMATICS . PHYSICS deals with MECHANICS of OBJECTS while CHEMISTRY deals with CHEMICAL CHANGES of different REACTIONS.On the other hand BIOLOGY is the study of LIFE PROCESSES and different MATERIALS that SUPPORTS LIFE.Whereas , MATHEMATICS is a subject that explains DIFFERENT CONCEPTS using NUMBERS and VARIABLES.

Nathan

4.73

(136)

As a dedicated PhD student in biochemistry at EPFL, I offer personalized tutoring in chemistry and biochemistry for students at high school, university, or master’s level. Whether you’re preparing for exams, struggling with complex concepts, or aiming to deepen your understanding, I tailor each session to your goals and learning style. With a strong academic background and a passion for teaching, I strive to make science approachable, engaging, and relevant. My approach emphasizes clear explanations, critical thinking, and practical examples to help you build confidence and excel in your studies.

Dr.

4.73

(136)

I offer personalized online tutoring (via teams , Zoom or Google Meet) and in-home sessions for students of all ages and levels. My lessons are designed to be interactive, creative, and tailored to each learner’s needs, ensuring active engagement and lasting understanding.

With a Ph.D. in Science and 10+ years of teaching experience, I provide flexible session lengths (1-2 hours) and adapt my methods—whether through discussions, multimedia, or hands-on examples—to make complex topics accessible and exciting. Let’s make learning both effective and enjoyable!

Course Subject:
Biology: Biotechnology, Biochemistry, Immunology, Cell and Molecular Biology, Molecular Genetics, Anatomy and Physiology of animals and plants

Chemistry—comprehensive coverage of all five core disciplines to ensure a holistic understanding of the molecular world.

Organic Chemistry: Reaction mechanisms, stereochemistry, synthesis planning, and nomenclature.

Inorganic Chemistry: Coordination chemistry, periodicity, molecular symmetry, and bio-inorganic systems.

Physical Chemistry: Thermodynamics, quantum chemistry, kinetics, and electrochemistry.

Analytical Chemistry: Spectroscopy (NMR, IR, UV-Vis), chromatography, method validation, and data interpretation.

Biochemistry: Enzyme kinetics, metabolic pathways, protein structure, and bioenergetics.

Course Level: Tailored for High School (IB/AP/A-Levels), University/College (Undergraduate & Graduate), and Adult Learners seeking to strengthen fundamentals or prepare for competitive exams.

Location of the Lessons: Live, interactive, and high-quality sessions delivered online—learn from home in the Netherlands or anywhere worldwide, Face to face- at your home or at my place.

Iskander

4.73

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I hold a Doctorate in Pharmacy and 2 Masters degrees from the University of Paris V René-Descartes.
Since the beginning of my higher education, and since I established myself as a freelancer after 10 years of managerial career in the pharmaceutical industry, I have been used to regularly giving private lessons to pupils and students of all levels, Primary, Secondary and Higher, supporting them until they pass their exams.
The main disciplines in which I support students are essentially scientific.
The perspectives provided are transdisciplinary.

Inês

4.73

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If you're starting your A-levels next year and want to make sure your IGCSE foundation is strong, this is the class for you!

I offer clear, structured tutoring in Mathematics, Chemistry, and Physics, supporting students to ensure they have mastered the International GCSE topics necessary for Advanced Subsidiary and Advanced Levels (AS and A-Level), for both Edexcel and Cambridge. My lessons focus on clear explanations and the core ideas behind each topic, so things actually make sense.

Alessandro

4.73

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I offer personalized tutoring and support in Mathematics, Physics, Chemistry, and Science for middle school, high school, and early university students.

My goal is to make scientific subjects accessible and engaging. Rather than just memorizing formulas, my approach focuses on understanding the core concepts so that problem-solving becomes logical and intuitive.

Whether you need to catch up, build your confidence, or deepen your understanding of the material, I am here to help you reach your academic goals in a relaxed and supportive environment.

Kevin

4.73

(136)

Swiss-Focused Mathematics, Physics & Chemistry Tutoring – Passerelle, BMS, Berufsmaturität, Matura, Fachmaturität, QV & Adult Education

This class is designed for students and adult learners in Switzerland who want serious, structured and exam-focused support in Mathematics, Physics and Chemistry. The main focus is preparation for Passerelle, BMS, Berufsmaturität, Matura, Fachmaturität and QV/final apprenticeship exams, as well as support for learners in adult education who are returning to study, changing career direction or preparing for a new academic path.

What makes my tutoring different is the strong connection to the Swiss education system. I completed my master’s degree at a University of Applied Sciences in Switzerland and have many years of experience teaching students in Switzerland. This means my lessons are not generic international tutoring. They are built around Swiss school expectations, Swiss exam styles, Swiss curricula and the specific challenges faced by learners in Switzerland.

➜ Special focus on Passerelle preparation
The Passerelle is one of the most demanding Swiss pathways because it requires strong discipline, independent thinking and solid exam technique. I help students prepare systematically in Mathematics, Physics and Chemistry by working through the required theory, typical task types, old exams and exam-style practice.

➜ BMS and Berufsmaturität support
For BMS and Berufsmaturität students, I provide structured help in Mathematics, Physics and Chemistry, depending on the programme and exam requirements. We focus on building strong foundations, closing gaps and applying methods correctly in exam situations.

➜ Matura and Fachmaturität preparation
I support students preparing for Matura and Fachmaturität exams with clear explanations, relevant exercises and a structured learning plan. The lessons help students understand difficult topics, organize their knowledge and gain confidence before important assessments.

➜ QV / final apprenticeship exam preparation
Many vocational students need Mathematics, Physics or Chemistry for their QV/final apprenticeship exams, especially in technical, scientific, laboratory, healthcare or engineering-related fields. I help students connect theory with practical calculations and exam-style tasks.

➜ Adult education and returning learners
I also work with adult learners who are returning to education after a break, preparing for Passerelle, Berufsmaturität, Fachmaturität, QV or further studies. Adult learners often need a clear, respectful and efficient teaching style. I explain from the foundation upward, without judgment, and help rebuild confidence step by step.

➜ Mathematics, Physics and Chemistry taught with equal seriousness
The focus is not only Mathematics. Physics and Chemistry are also important, especially for Passerelle, Matura, Fachmaturität, technical BMS directions, QV exams and later studies. I explain formulas, concepts and calculations clearly so students understand the logic behind the subject.

➜ Old exams and Swiss-style practice
Where suitable, I use old exams, typical Swiss exam questions and realistic practice material. Students learn how questions are asked, how to recognize the correct method, how to structure their solutions and how to avoid common mistakes.

➜ Clear step-by-step method
Every task is approached with a simple structure: What is given? What is required? Which formula, law or method is suitable? Why does it apply? Then we solve the task step by step with all formulas, calculations and explanations.

➜ Why choose a Swiss-focused tutor?
Many tutors may know Mathematics, Physics or Chemistry, but Swiss exams often have their own wording, structure and expectations. Because I studied in Switzerland and have taught Swiss students for years, I can prepare learners in a much more targeted and relevant way.

➜ For serious students who want real progress
This class is ideal for students and adult learners who want to pass an important exam, improve their grades, close knowledge gaps, prepare for further studies or gain more confidence in Mathematics, Physics and Chemistry.

➜ Success-oriented preparation
My goal is to help students build real understanding, not just short-term memorization. With clear explanations, structured practice, old exam material and consistent preparation, students can develop the confidence and exam technique needed to perform at their best.