4004 products were found matching your search for biological in 4 shops:

During development cells and tissues undergo changes in pattern and form that employ a wider range of physical mechanisms than at any other time in an organism's life. This book demonstrates how physics can be used to analyze these biological phenomena. Written to be accessible to both biologists and physicists, major stages and components of the biological development process are introduced and then analyzed from the viewpoint of physics. The presentation of physical models requires no mathematics beyond basic calculus.

Where forensic precision and reliability are paramount, the Sirchie DNA/Biological Evidence Collection Kit stands as an indispensable tool. Similar to the role fingerprints play in identifying matches, this kit leverages the power of DNA to either link or exclude suspects from a crime scene, and even connect multiple crime scenes together. The kit is designed to facilitate the collection of a wide array of biological evidence, including but not limited to blood, semen, hair, saliva, skin cells, mucus, perspiration, urine, and fingernails. Each of these biological traces can potentially hold the key to solving a crime, making the comprehensive nature of this kit invaluable in forensic investigations.The Sirchie DNA/Biological Evidence Collection Kit is not just about collection, but also about preservation. It includes high-quality, professional-grade tools such as gloves, swabs, containers, and preservation liquids. These components ensure that the collected samples maintain their integrity for accurate forensic analysis.In the ever-evolving field of forensic science, understanding how to effectively use and collect DNA is crucial. The more proficient investigators become in utilizing tools like the Sirchie DNA/Biological Evidence Collection Kit, the more powerful their investigations can be. This kit is a testament to Sirchie's commitment to supporting these endeavors with top-tier, reliable, and efficient forensic equipment.

After enhancing your college biological microscope with the durable and versatile Movable Graduated Stage, you'll experience a new level of precision and convenience in your scientific explorations. Expertly designed to fit seamlessly atop your existing sample platform, this high-quality stage facilitates accurate and effortless slide adjustments. Constructed with a robust metal bracket, this stage is built to withstand rigorous academic use. It features two meticulously graduated metric scales, one for each axis, enabling precise measurements and adjustments. The scales offer a generous range of motion, specifically 2.95 x 1.18" (75 x 30 mm), providing ample space for your specimens.For added security and stability during your microscopic investigations, the stage is equipped with a reliable locking screw. This feature ensures your specimen remains firmly in place, allowing for meticulous examination without the worry of accidental shifts. Produced by the reputable brand Konus, known for its commitment to quality and innovation in scientific equipment, this Movable Graduated Stage is an essential tool for any college biological microscope setup. It's not just an accessory, but a significant upgrade that enhances the functionality and accuracy of your microscope.

Let your scientific curiosity thrive with the Campus-2 1000x Biological Binocular Microscope. This high-quality, professional-grade microscope is designed to meet the needs of both budding and experienced scientists. It offers a powerful 1000x magnification, allowing you to delve into the intricate details of biological specimens. The Campus-2 microscope stands out with its triple illumination system, a unique feature that sets it apart from other models. This versatile system is designed to work with an A/C adapter, rechargeable batteries, or standard AAA batteries, providing flexibility and convenience for uninterrupted research and exploration. This 120V microscope is not just about functionality; it also boasts a competitive price point, making it an accessible choice for those seeking professional quality without breaking the bank. Whether you're a student, a hobbyist, or a professional researcher, the Campus-2 1000x Biological Binocular Microscope is a reliable tool that can enhance your scientific investigations. Remember, with the Campus-2 1000x Biological Binocular Microscope, you're not just buying a product; you're investing in a tool that can open up a world of microscopic wonders.

Bio Pressure Pond Filter - All-in-One Wonder. Packing a punch with a 1580 GPH flow-through rate, a 4.2-gallon filter barrel, and a 3-level adjustable UV lamp, our VEVOR pond pressure filter has everything you need in 1-convenient package. It's a powerhouse capable of filtering large volumes of water. Just look at the turbidity meter, do a little cleaning without having to disassemble the whole unit, and you're good to go.

Explore the microscopic world in high-resolution with the 40x Achromatic Objective, specifically designed for Konus Campus and Academy Biological Microscopes. This advanced microscope accessory enhances your scientific studies by delivering crystal-clear images with minimal color distortion. With a field flatness of 65%, it ensures a significant portion of your view remains in sharp focus, providing a more detailed and accurate representation of your subject. Ideal for both educational and professional settings, the 40x Achromatic Objective is a valuable tool for anyone seeking to delve deeper into the fascinating world of microscopy. Whether you're studying biology, conducting research, or simply exploring the unseen, this objective lens is a must-have for your microscopy equipment.

Bio Pressure Pond Filter - All-in-One Wonder. Packing a punch with a 1580 GPH flow-through rate, a 4.2 Gal. filter barrel and a 3-level adjustable UV lamp, our VEVOR pond pressure filter has everything you need in one convenient package. It's a powerhouse capable of filtering large volumes of water. Just look at the turbidity meter, do a little cleaning without having to disassemble the whole unit and you're good to go.

VEVOR Bio Pressure Pond Filter, Up to 3200 Gallons, with 13W UV-C Light, 2630 GPH, Pressurized Biological Pond Filter System Filtration Equipment for Fountain Pool, Koi Fish Aquarium Tank Garden WaterPower Meets PerformanceClear Ponds, Happy YouTidy Ponds Made EasyOne-Size-Fits-AllPonds GaloreBuilt ToughRated Pressure: 0.3 bar,Filter Volume: 6.6 gal,Sewage Exit: 1 in/25 mm, 1.3 in/32 mm, 1.5 in/38 mm,Voltage: AC 110-120V/60Hz,Item Model Number: CPF-10000,Power of UV-C: 13W,Product Weight: 14.3 lbs/6.5 kg,Max Flow-through: 2630 GPH,Cable Length: 16.4 ft/5 m,Product Dimensions: φ12.28 x 18.54 in/φ312 x 471 mm,Inlet/Outlet: 0.8 in/20 mm, 1 in/25 mm, 1.3 in/32 mm, 1.5 in/38 mm

VEVOR Bio Pressure Pond Filter, Up to 1600 Gallons, with 13W UV-C Light, 1580 GPH, Pressurized Biological Pond Filter System Filtration Equipment for Fountain Pool, Koi Fish Aquarium Tank Garden WaterPower Meets PerformanceClear Ponds, Happy YouTidy Ponds Made EasyOne-Size-Fits-AllPonds GaloreBuilt ToughRated Pressure: 0.3 bar,Filter Volume: 4.2 gal,Voltage: AC 110-120V/60Hz,Item Model Number: CPF-2500,Power of UV-C: 13W,Product Weight: 8.9 lbs/4 kg,Max Flow-through: 1580 GPH,Cable Length: 16.4 ft/5 m,Product Dimensions: φ15.04 x 22.6 in/φ382 x 574 mm,Inlet/Outlet: 0.8 in/20 mm, 1 in/25 mm, 1.3 in/32 mm

VEVOR Bio Pressure Pond Filter, Up to 2000 Gallons, with 13W UV-C Light, 1840 GPH, Pressurized Biological Pond Filter System Filtration Equipment for Fountain Pool, Koi Fish Aquarium Tank Garden WaterPower Meets PerformanceClear Ponds, Happy YouTidy Ponds Made EasyOne-Size-Fits-AllPonds GaloreBuilt ToughRated Pressure: 0.3 bar,Filter Volume: 5.3 gal,Voltage: AC 110-120V/60Hz,Item Model Number: CPF-3500,Power of UV-C: 13W,Product Weight: 10.6 lbs/4.8 kg,Max Flow-through: 1840 GPH,Cable Length: 16.4 ft/5 m,Product Dimensions: φ12.28 x 22.17 in/φ312 x 563 mm,Inlet/Outlet: 0.8 in/20 mm, 1 in/25 mm, 1.3 in/32 mm

VEVOR Bio Pressure Pond Filter, Up to 1600 Gallons, with 13W UV-C Light, 1580 GPH, Pressurized Biological Pond Filter System Filtration Equipment for Fountain Pool, Koi Fish Aquarium Tank Garden WaterPower Meets PerformanceClear Ponds, Happy YouTidy Ponds Made EasyOne-Size-Fits-AllPonds GaloreBuilt ToughRated Pressure: 0.3 bar,Filter Volume: 4.2 gal,Voltage: AC 110-120V/60Hz,Item Model Number: CPF-2500,Power of UV-C: 13W,Product Weight: 8.9 lbs/4 kg,Max Flow-through: 1580 GPH,Cable Length: 16.4 ft/5 m,Inlet/Outlet: 0.8 in/20 mm, 1 in/25 mm, 1.3 in/32 mm

Since Darwin, Biology has been framed on the idea of evolution by natural selection, which has profoundly influenced the scientific and philosophical comprehension of biological phenomena and of our place in Nature. This book argues that contemporary biology should progress towards and revolve around an even more fundamental idea, that of autonomy. Biological autonomy describes living organisms as organised systems, which are able to self-produce and self-maintain as integrated entities, to establish their own goals and norms, and to promote the conditions of their existence through their interactions with the environment.Topics covered in this book include organisation and biological emergence, organisms, agency, levels of autonomy, cognition, and a look at the historical dimension of autonomy. The current development of scientific investigations on autonomous organisation calls for a theoretical and philosophical analysis. This can contribute to the elaboration of an original understanding of life - including human life - on Earth, opening new perspectives and enabling fecund interactions with other existing theories and approaches. This book takes up the challenge.

With regional, national, and global processes affecting both the structure and function of lakes and rivers, assessment methodology must encompass many attributes to evaluate the impact of these processes on water quality. Many of the changes in biological communities correlate to resource exploitation, nonpoint pollutant interactions, and habitat alteration - factors that can be missed by routine chemical sampling. This creates the need for ecologically-based approaches to this problem.Biological monitoring is a fundamental part of an ecologically-based approach. Biological Monitoring of Aquatic Systems brings together contributions by authors recognized as leaders in the development and utilization of biological monitoring techniques for freshwater ecosystems. It provides a conceptual framework for the use of biological monitoring to assess the environmental health of freshwater resources. Biological monitoring is an important part of any water quality assessment program. Biological Monitoring of Aquatic Systems provides you with an understanding of water resources. It includes discussions concerning historical development, ecological basis, experimental design characteristics, case studies, and future concerns. As efforts to maintain and restore the world's water resources intensify, the need to develop accurate methods to assess the health of these resources becomes critical.

This popular undergraduate textbook offers students a firm grounding in the fundamentals of biological oceanography. As well as a clear and accessible text, learning is enhanced with numerous illustrations including a colour section, thorough chapter summaries, and questions with answers and comments at the back of the book. The comprehensive coverage of this book encompasses the properties of seawater which affect life in the ocean, classification of marine environments and organisms, phytoplankton and zooplankton, marine food webs, larger marine animals (marine mammals, seabirds and fish), life on the seafloor, and the way in which humans affect marine ecosystems. The second edition has been thoroughly updated, including much data available for the first time in a book at this level. There is also a new chapter on human impacts - from harvesting vast amounts of fish, pollution, and deliberately or accidentally transferring marine organisms to new environments. This book complements the Open University Oceanography Series, also published by Butterworth-Heinemann, and is a set text for the Open University third level course, S330.A leading undergraduate textNew chapter on human impacts - a highly topical subjectExpanded colour plate section

The impact of invasive species is second only to that of human population growth and associated activities as a cause of the loss of biodiversity throughout the world. In the United States, invasions of nonnative plants, animals, or microbes cause major environmental damage. The second edition of Biological Invasions: Economic and Environmental Costs of Alien Plant, Animal, and Microbe Species represents the most current, single-source reference containing scientific and economic information on this timely subject. This volume reconfirms the diverse and unpredictable roles that non-native species assume as they invade new ecosystems: destruction of vital crops and forests, major damages to ecosystems leading to loss of biodiversity, soil erosion, and water loss. The text provides information on how the non-native species invade new ecosystems, their subsequent environmental effects, and estimates on economic impacts. Biological Invasions supplies scientists, policymakers, and the public with a better understanding of the invading species and how to prevent their spread and improve control procedures.

Text: English, French (translation)

Supports and motivates you as you learn to think scientifically and use the skills of a biologist.   Scott Freeman’s Biological Science is beloved for its Socratic narrative style, its emphasis on experimental evidence, and its dedication to active learning. In the Fifth Edition, the author team has expanded to include new members –bringing a fresh focus on accuracy and currency, and multiplying the dedication to active learning by six.   Research indicates that true mastery of content requires a move away from memorization towards active engagement with the material in a focused, personal way. Biological Science is the first introductory biology text designed to equip you with a strategy to accurately assess your level of understanding, predict your performance, and identify the types of cognitive skills that need improvement.   Package Components: Biological Science, Volume 3, Fifth Edition  

Most health professionals believe mothers need to be taught how to breastfeed. This book describes new research evidence suggesting that mothers and babies innately know how to breastfeed, and introduces a new approach called biological nurturing. Biological nurturing is a collective term for optimal breastfeeding states and positions whose interaction release spontaneous behaviors helping mothers and babies get started with feeding. Biological Nurturing is quick and easy to do. Keeping the baby at the right address and maternal body support are the priorities. These variables optimize comfortable baby gazing and eye-to-eye contact. These are the things that get the breastfeeding hormones flowing. We know that just looking at the baby increases oxytocin pulsatility. The challenge for health professionals lies with understanding reflex releasing mechanisms and learning how not to disturb the nursing couple. This book restores confidence in nature's biological design and in mothers' innate capacity to breastfeed. "Dr. Suzanne Colson is one of my heroes because her thoughtful and careful research and the conclusions she has drawn from this research have finally brought common sense into the discussion of breastfeeding." -Ina May Gaskin, CNM, Ph.D., Author, Spiritual Midwifery and Ina May's Guide to Breastfeeding "Suzanne Colson is a brilliant observer, and she has seen how current breastfeeding regimens make it very difficult for women to breastfeed. Professionals’ recommendations, both outside and inside hospitals, actually act against biology and the laws of nature and therefore counteract spontaneous breastfeeding. This is why she has created a new manual for breastfeeding that she calls biological nurturing." -Kerstin Uvnas-Moberg, M.D, PhD, author, Oxytocin: The Biological Guide to Motherhood

This book is the best compilation and finest translation of three of the major works of Prof. Kervan. It is intended for everyone: Scholar, layman or students. It was not directed particularly to the scholar's mind and couched in cold scientific terms: thus it is within everyone's ability to comprehend the biological transmutations theory and it's practical applications. Based on Kervan's research, the principles of BT are being applied without patent or licence by industry and business for dietetic and remedial products. In medicine the principle is also recognized, it has opened the door to new treatments and therapeutics for reputedly "incurable" diseases. Agronomists and dieticians, food industries and natural food processors, natural leaven bakers and picklers particularly are the biggest beneficiaries because maintaining food's value is too close to man's body and sou; to remain an academic and isolated science. BT is no more and no less than a reality that teaches us about change; in change we find life and by change we create life. This law of change of the elements uncovered by Kervan has created a movement by millions of people who now eat in a natural way. In a very meaningful way, Mr. Kervan has given this scientific chaotic world the Aladdin's lamp by which we can save ourselves and our diseased earth. --- from book's back cover

The study of the chemistry of living processes has traditionally centered on the behavior of organic compounds in water; together they account for 99 per-cent of the matter in living systems. However, we also know that about 20 "inorganic" elements are also essential for life, and that they are found in similar amounts in most living systems. This book's objective is to examine and explain the importance of these elements. The authors begin with a survey of the chemical and physical factors controlling the elements of life. The essential functions of individual inorganic elements are then detailed. A final section consolidates a major theme of the book -- the cooperative interaction of elements in living systems. These chapters discuss the relationships between chemical activity and morphology and the effect that changes in the availability of elements have on life -- not only in providing evolutionary pressures but also in the context of the use of medicines and the spread of pollutants. This major graduate-level chemistry text provides a completely new way of looking at the chemistry of living processes. It is essential reading for all scientists interested in bioinorganic chemistry, including biologists, biochemists, chemists and physicists.